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<h1>Source code for pybtc.address</h1><div class="highlight"><pre>
<span></span><span class="kn">from</span> <span class="nn">.tools</span> <span class="k">import</span> <span class="o">*</span>
<div class="viewcode-block" id="PrivateKey"><a class="viewcode-back" href="../../address.html#pybtc.PrivateKey">[docs]</a><span class="k">class</span> <span class="nc">PrivateKey</span><span class="p">():</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> The class for creating private key object.</span>
<span class="sd"> :param key: (optional) private key in HEX, bytes string or WIF format. In case no key specified</span>
<span class="sd"> new random private key will be created.</span>
<span class="sd"> :param compressed: (optional) if set to True private key corresponding compressed public key,</span>
<span class="sd"> by default set to True. Recommended use only compressed public key.</span>
<span class="sd"> :param testnet: (optional) if set to True mean that this private key for testnet Bitcoin network.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">compressed</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">testnet</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="k">if</span> <span class="n">key</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="c1">#: flag for compressed type of corresponding public key (boolean)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">compressed</span> <span class="o">=</span> <span class="n">compressed</span>
<span class="c1">#: flag for testnet network private key (boolean)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="n">testnet</span>
<span class="c1">#: private key in bytes (bytes)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">create_private_key</span><span class="p">(</span><span class="n">wif</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="c1">#: private key in HEX (string)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hex</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="c1">#: private key in WIF format (string)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">wif</span> <span class="o">=</span> <span class="n">private_key_to_wif</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="n">compressed</span><span class="p">,</span> <span class="n">testnet</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">key</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">pass</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">bytes</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="o">!=</span> <span class="mi">32</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">&quot;private key invalid length&quot;</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">key</span>
<span class="bp">self</span><span class="o">.</span><span class="n">compressed</span> <span class="o">=</span> <span class="n">compressed</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="n">testnet</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hex</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">wif</span> <span class="o">=</span> <span class="n">private_key_to_wif</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="n">compressed</span><span class="p">,</span> <span class="n">testnet</span><span class="p">)</span>
<span class="k">return</span>
<span class="k">assert</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">wif_to_private_key</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">hex</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hex</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">wif</span> <span class="o">=</span> <span class="n">private_key_to_wif</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="n">compressed</span><span class="p">,</span> <span class="n">testnet</span><span class="p">)</span>
<span class="k">if</span> <span class="n">key</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">in</span> <span class="p">(</span><span class="n">MAINNET_PRIVATE_KEY_UNCOMPRESSED_PREFIX</span><span class="p">,</span>
<span class="n">TESTNET_PRIVATE_KEY_UNCOMPRESSED_PREFIX</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">compressed</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">compressed</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">if</span> <span class="n">key</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">in</span> <span class="p">(</span><span class="n">TESTNET_PRIVATE_KEY_UNCOMPRESSED_PREFIX</span><span class="p">,</span>
<span class="n">TESTNET_PRIVATE_KEY_COMPRESSED_PREFIX</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">wif</span></div>
<div class="viewcode-block" id="PublicKey"><a class="viewcode-back" href="../../address.html#pybtc.PublicKey">[docs]</a><span class="k">class</span> <span class="nc">PublicKey</span><span class="p">():</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> The class for public key object.</span>
<span class="sd"> :param key: one of this types allowed:</span>
<span class="sd"> </span>
<span class="sd"> - private key is instance of ``PrivateKey`` class</span>
<span class="sd"> - private key HEX encoded string</span>
<span class="sd"> - private key 32 bytes string</span>
<span class="sd"> - private key in WIF format</span>
<span class="sd"> - public key in HEX encoded string</span>
<span class="sd"> - public key [33/65] bytes string</span>
<span class="sd"> </span>
<span class="sd"> In case no key specified with HEX or bytes string you have to provide flag for testnet </span>
<span class="sd"> and compressed key. WIF format and ``PrivateKey`` instance already contain this flags.</span>
<span class="sd"> For HEX or bytes public key only testnet flag has the meaning, comressed flag is determined </span>
<span class="sd"> according to the length of key.</span>
<span class="sd"> </span>
<span class="sd"> :param compressed: (optional) if set to True private key corresponding compressed public key,</span>
<span class="sd"> by default set to True. Recommended use only compressed public key.</span>
<span class="sd"> :param testnet: (optional) if set to True mean that this private key for testnet Bitcoin network.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">compressed</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">testnet</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">key</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">if</span> <span class="n">is_wif_valid</span><span class="p">(</span><span class="n">key</span><span class="p">):</span>
<span class="n">key</span> <span class="o">=</span> <span class="n">PrivateKey</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">bytes</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="o">==</span> <span class="mi">32</span><span class="p">:</span>
<span class="n">key</span> <span class="o">=</span> <span class="n">PrivateKey</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">compressed</span><span class="o">=</span><span class="n">compressed</span><span class="p">,</span> <span class="n">testnet</span><span class="o">=</span><span class="n">testnet</span><span class="p">)</span>
<span class="k">elif</span> <span class="n">is_public_key_valid</span><span class="p">(</span><span class="n">key</span><span class="p">):</span>
<span class="n">public_key</span> <span class="o">=</span> <span class="n">key</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="n">testnet</span>
<span class="bp">self</span><span class="o">.</span><span class="n">compressed</span> <span class="o">=</span> <span class="kc">True</span> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="o">==</span> <span class="mi">33</span> <span class="k">else</span> <span class="kc">False</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">&quot;key invalid&quot;</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">PrivateKey</span><span class="p">):</span>
<span class="c1">#: flag for testnet network private key (boolean)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="n">key</span><span class="o">.</span><span class="n">testnet</span>
<span class="c1">#: flag for compressed type of corresponding public key (boolean)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">compressed</span> <span class="o">=</span> <span class="n">key</span><span class="o">.</span><span class="n">compressed</span>
<span class="n">public_key</span> <span class="o">=</span> <span class="n">private_to_public_key</span><span class="p">(</span><span class="n">key</span><span class="o">.</span><span class="n">key</span><span class="p">,</span>
<span class="n">compressed</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">compressed</span><span class="p">,</span>
<span class="nb">hex</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="c1">#: public key in bytes (bytes)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">public_key</span>
<span class="c1">#: public key in HEX (string)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hex</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">hex</span></div>
<div class="viewcode-block" id="Address"><a class="viewcode-back" href="../../address.html#pybtc.Address">[docs]</a><span class="k">class</span> <span class="nc">Address</span><span class="p">():</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd"> The class for Address object.</span>
<span class="sd"> :param key: (optional) one of this types allowed:</span>
<span class="sd"> </span>
<span class="sd"> - private key WIF format</span>
<span class="sd"> - instance of ``PrivateKey``</span>
<span class="sd"> - private key HEX encoded string</span>
<span class="sd"> - instance of ``PublicKey``</span>
<span class="sd"> </span>
<span class="sd"> In case no key specified new Address will be created with random keys.</span>
<span class="sd"> :param address_type: (optional) P2PKH, PUBKEY, P2WPKH, P2SH_P2WPKH, by default P2WPKH.</span>
<span class="sd"> :param compressed: (optional) if set to True private key corresponding compressed public key,</span>
<span class="sd"> by default set to True. Recommended use only compressed public key.</span>
<span class="sd"> :param testnet: (optional) if set to True mean that this private key for testnet Bitcoin network.</span>
<span class="sd"> In case instanse is created from WIF private key, ``PrivateKey`` or ``PublicKey`` compressed and testnet flags</span>
<span class="sd"> already contain in initial key parameter and will be ignored.</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">address_type</span><span class="o">=</span><span class="s2">&quot;P2WPKH&quot;</span><span class="p">,</span> <span class="n">testnet</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">compressed</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
<span class="k">if</span> <span class="n">key</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="c1">#: instance of ``PrivateKey`` class</span>
<span class="bp">self</span><span class="o">.</span><span class="n">private_key</span> <span class="o">=</span> <span class="n">PrivateKey</span><span class="p">(</span><span class="n">testnet</span><span class="o">=</span><span class="n">testnet</span><span class="p">,</span>
<span class="n">compressed</span><span class="o">=</span><span class="n">compressed</span><span class="p">)</span>
<span class="c1">#: instance of ``PublicKey`` class</span>
<span class="bp">self</span><span class="o">.</span><span class="n">public_key</span> <span class="o">=</span> <span class="n">PublicKey</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">private_key</span><span class="p">)</span>
<span class="c1">#: flag for testnet network address (boolean)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="n">testnet</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">bytes</span><span class="p">):</span>
<span class="n">key</span> <span class="o">=</span> <span class="n">PrivateKey</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">testnet</span><span class="o">=</span><span class="n">testnet</span><span class="p">,</span> <span class="n">compressed</span><span class="o">=</span><span class="n">compressed</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">PrivateKey</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">private_key</span> <span class="o">=</span> <span class="n">key</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="n">key</span><span class="o">.</span><span class="n">testnet</span>
<span class="n">compressed</span> <span class="o">=</span> <span class="n">key</span><span class="o">.</span><span class="n">compressed</span>
<span class="bp">self</span><span class="o">.</span><span class="n">public_key</span> <span class="o">=</span> <span class="n">PublicKey</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">private_key</span><span class="p">)</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">PublicKey</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">public_key</span> <span class="o">=</span> <span class="n">key</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="n">testnet</span>
<span class="n">compressed</span> <span class="o">=</span> <span class="n">key</span><span class="o">.</span><span class="n">compressed</span>
<span class="k">if</span> <span class="n">address_type</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">&quot;P2PKH&quot;</span><span class="p">,</span> <span class="s2">&quot;PUBKEY&quot;</span><span class="p">,</span> <span class="s2">&quot;P2WPKH&quot;</span><span class="p">,</span> <span class="s2">&quot;P2SH_P2WPKH&quot;</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">&quot;address type invalid&quot;</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">compressed</span><span class="p">:</span>
<span class="k">if</span> <span class="n">address_type</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">&quot;P2PKH&quot;</span><span class="p">,</span> <span class="s2">&quot;PUBKEY&quot;</span><span class="p">,</span> <span class="s2">&quot;P2SH&quot;</span><span class="p">):</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">&quot;compressed public key invalid&quot;</span><span class="p">)</span>
<span class="c1">#: flag for testnet network address (boolean)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">address_type</span>
<span class="k">if</span> <span class="n">address_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">&quot;P2WPKH&quot;</span><span class="p">):</span>
<span class="c1">#: version of witness program for SEGWIT address (string)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">witness_version</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">witness_version</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">compressed</span> <span class="o">=</span> <span class="n">compressed</span>
<span class="k">if</span> <span class="n">address_type</span> <span class="o">==</span> <span class="s2">&quot;P2SH_P2WPKH&quot;</span><span class="p">:</span>
<span class="c1">#: flag for script hash address (boolean)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">script_hash</span> <span class="o">=</span> <span class="kc">True</span>
<span class="c1">#: redeeem script, only for P2SH_P2WPKH (bytes)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">redeem_script</span> <span class="o">=</span> <span class="n">public_key_to_p2sh_p2wpkh_script</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">public_key</span><span class="o">.</span><span class="n">key</span><span class="p">)</span>
<span class="c1">#: redeeem script HEX, only for P2SH_P2WPKH (string)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">redeem_script_hex</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">redeem_script</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="c1">#: address hash</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hash</span> <span class="o">=</span> <span class="n">hash160</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">redeem_script</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">witness_version</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">script_hash</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hash</span> <span class="o">=</span> <span class="n">hash160</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">public_key</span><span class="o">.</span><span class="n">key</span><span class="p">)</span>
<span class="c1">#: address hash HEX (string)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hash_hex</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">hash</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="c1">#: address in base58 or bech32 encoding (string)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">address</span> <span class="o">=</span> <span class="n">hash_to_address</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">hash</span><span class="p">,</span>
<span class="n">script_hash</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">script_hash</span><span class="p">,</span>
<span class="n">witness_version</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">witness_version</span><span class="p">,</span>
<span class="n">testnet</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">testnet</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">address</span></div>
<span class="k">class</span> <span class="nc">ScriptAddress</span><span class="p">():</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">script</span><span class="p">,</span> <span class="n">address_type</span><span class="o">=</span><span class="s2">&quot;P2SH&quot;</span><span class="p">,</span>
<span class="n">testnet</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">witness_version</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">witness_version</span> <span class="o">=</span> <span class="n">witness_version</span>
<span class="bp">self</span><span class="o">.</span><span class="n">testnet</span> <span class="o">=</span> <span class="n">testnet</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">script</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="n">script</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">script</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">script</span> <span class="o">=</span> <span class="n">script</span>
<span class="bp">self</span><span class="o">.</span><span class="n">script_hex</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">script</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">hash</span> <span class="o">=</span> <span class="n">hash160</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">script</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">script_opcodes</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">script</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">script_opcodes_asm</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">script</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">address</span> <span class="o">=</span> <span class="n">hash_to_address</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">hash</span><span class="p">,</span>
<span class="n">script_hash</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
<span class="n">witness_version</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">witness_version</span><span class="p">,</span>
<span class="n">testnet</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">testnet</span><span class="p">)</span>
</pre></div>
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<h1>Source code for pybtc.block</h1><div class="highlight"><pre>
<span></span><span class="kn">from</span> <span class="nn">.tools</span> <span class="k">import</span> <span class="o">*</span>
<span class="kn">from</span> <span class="nn">.transaction</span> <span class="k">import</span> <span class="n">Transaction</span>
<span class="kn">from</span> <span class="nn">struct</span> <span class="k">import</span> <span class="n">pack</span><span class="p">,</span> <span class="n">unpack</span>
<div class="viewcode-block" id="Block"><a class="viewcode-back" href="../../block.html#pybtc.Block">[docs]</a><span class="k">class</span> <span class="nc">Block</span><span class="p">(</span><span class="nb">dict</span><span class="p">):</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">block</span><span class="p">):</span>
<span class="n">s</span> <span class="o">=</span> <span class="n">get_stream</span><span class="p">(</span><span class="n">block</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;header&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">80</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">double_sha256</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;header&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;version&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s2">&quot;&lt;L&quot;</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;previousBlockHash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">32</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;merkleRoot&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">32</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;time&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s2">&quot;&lt;L&quot;</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;bits&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">),</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;nonce&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s2">&quot;&lt;L&quot;</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span>
<span class="n">s</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="o">-</span><span class="mi">80</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="c1"># self[&quot;tx&quot;] = {i: Transaction(s)</span>
<span class="c1"># for i in range(var_int_to_int(read_var_int(s)))}</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;weight&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;size&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;strippedSize&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;height&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;difficulty&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;targetDifficulty&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;target&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span></div>
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<h1>Source code for pybtc.transaction</h1><div class="highlight"><pre>
<span></span>
<span class="kn">from</span> <span class="nn">struct</span> <span class="k">import</span> <span class="n">unpack</span>
<span class="kn">import</span> <span class="nn">json</span>
<span class="kn">from</span> <span class="nn">.tools</span> <span class="k">import</span> <span class="o">*</span>
<span class="kn">from</span> <span class="nn">.address</span> <span class="k">import</span> <span class="n">PrivateKey</span><span class="p">,</span> <span class="n">Address</span><span class="p">,</span> <span class="n">PublicKey</span><span class="p">,</span> <span class="n">ScriptAddress</span>
<span class="kn">from</span> <span class="nn">binascii</span> <span class="k">import</span> <span class="n">hexlify</span><span class="p">,</span> <span class="n">unhexlify</span>
<div class="viewcode-block" id="Transaction"><a class="viewcode-back" href="../../transaction.html#pybtc.Transaction">[docs]</a><span class="k">class</span> <span class="nc">Transaction</span><span class="p">(</span><span class="nb">dict</span><span class="p">):</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">raw_tx</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">tx_format</span><span class="o">=</span><span class="s2">&quot;decoded&quot;</span><span class="p">,</span> <span class="n">version</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">lockTime</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">testnet</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="k">assert</span> <span class="n">tx_format</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">&quot;decoded&quot;</span><span class="p">,</span> <span class="s2">&quot;raw&quot;</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">tx_format</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;testnet&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">testnet</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;segwit&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;version&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">version</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;size&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vSize&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;bSize&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;lockTime&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">lockTime</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;blockHash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;confirmations&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;time&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;blockTime&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;blockIndex&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;coinbase&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;fee&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;amount&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="n">raw_tx</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">return</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;amount&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">stream</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_stream</span><span class="p">(</span><span class="n">raw_tx</span><span class="p">)</span>
<span class="n">start</span> <span class="o">=</span> <span class="n">stream</span><span class="o">.</span><span class="n">tell</span><span class="p">()</span>
<span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;version&quot;</span><span class="p">],)</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span>
<span class="n">n</span> <span class="o">=</span> <span class="n">read_var_int</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span>
<span class="n">sw</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">sw_len</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">if</span> <span class="n">n</span> <span class="o">==</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x00</span><span class="s1">&#39;</span><span class="p">:</span>
<span class="n">sw</span> <span class="o">=</span> <span class="mi">1</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;flag&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="n">n</span> <span class="o">=</span> <span class="n">read_var_int</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span>
<span class="n">ic</span> <span class="o">=</span> <span class="n">var_int_to_int</span><span class="p">(</span><span class="n">n</span><span class="p">)</span>
<span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">ic</span><span class="p">):</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">32</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;vOut&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">n</span> <span class="o">=</span> <span class="n">var_int_to_int</span><span class="p">(</span><span class="n">read_var_int</span><span class="p">(</span><span class="n">stream</span><span class="p">))</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">n</span><span class="p">)</span>
<span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;sequence&quot;</span><span class="p">],)</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span>
<span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">var_int_to_int</span><span class="p">(</span><span class="n">read_var_int</span><span class="p">(</span><span class="n">stream</span><span class="p">))):</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;value&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s1">&#39;&lt;Q&#39;</span><span class="p">,</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">8</span><span class="p">))[</span><span class="mi">0</span><span class="p">]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;amount&quot;</span><span class="p">]</span> <span class="o">+=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;value&quot;</span><span class="p">]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">var_int_to_int</span><span class="p">(</span><span class="n">read_var_int</span><span class="p">(</span><span class="n">stream</span><span class="p">)))</span>
<span class="n">s</span> <span class="o">=</span> <span class="n">parse_script</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">],</span> <span class="n">sw</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;type&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;type&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">if</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="mi">3</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">7</span><span class="p">):</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;addressHash&quot;</span><span class="p">]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;reqSigs&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;reqSigs&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="n">sw</span><span class="p">:</span>
<span class="n">sw</span> <span class="o">=</span> <span class="n">stream</span><span class="o">.</span><span class="n">tell</span><span class="p">()</span> <span class="o">-</span> <span class="n">start</span>
<span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">ic</span><span class="p">):</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;txInWitness&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">var_int_to_int</span><span class="p">(</span><span class="n">read_var_int</span><span class="p">(</span><span class="n">stream</span><span class="p">)))</span> \
<span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">var_int_to_int</span><span class="p">(</span><span class="n">read_var_int</span><span class="p">(</span><span class="n">stream</span><span class="p">)))]</span>
<span class="n">sw_len</span> <span class="o">=</span> <span class="n">stream</span><span class="o">.</span><span class="n">tell</span><span class="p">()</span> <span class="o">-</span> <span class="n">sw</span> <span class="o">+</span> <span class="mi">2</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;lockTime&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">end</span> <span class="o">=</span> <span class="n">stream</span><span class="o">.</span><span class="n">tell</span><span class="p">()</span>
<span class="n">stream</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="n">start</span><span class="p">)</span>
<span class="n">b</span> <span class="o">=</span> <span class="n">stream</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">end</span> <span class="o">-</span> <span class="n">start</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">b</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;size&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="n">start</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;bSize&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="n">start</span> <span class="o">-</span> <span class="n">sw_len</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;weight&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;bSize&quot;</span><span class="p">]</span> <span class="o">*</span> <span class="mi">3</span> <span class="o">+</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;size&quot;</span><span class="p">]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vSize&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">ceil</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;weight&quot;</span><span class="p">]</span> <span class="o">/</span> <span class="mi">4</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ic</span> <span class="o">==</span> <span class="mi">1</span> <span class="ow">and</span> \
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="mi">0</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x00</span><span class="s1">&#39;</span> <span class="o">*</span> <span class="mi">32</span> <span class="ow">and</span> \
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="mi">0</span><span class="p">][</span><span class="s2">&quot;vOut&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="mh">0xffffffff</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;coinbase&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;coinbase&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">if</span> <span class="n">sw</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;segwit&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">double_sha256</span><span class="p">(</span><span class="n">b</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">double_sha256</span><span class="p">(</span><span class="n">b</span><span class="p">[:</span><span class="mi">4</span><span class="p">]</span> <span class="o">+</span> <span class="n">b</span><span class="p">[</span><span class="mi">6</span><span class="p">:</span><span class="n">sw</span><span class="p">]</span> <span class="o">+</span> <span class="n">b</span><span class="p">[</span><span class="o">-</span><span class="mi">4</span><span class="p">:])</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;segwit&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">double_sha256</span><span class="p">(</span><span class="n">b</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">decode</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">testnet</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;decoded&quot;</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">encode</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;decoded&quot;</span>
<span class="k">if</span> <span class="n">testnet</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;testnet&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">testnet</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">rh2s</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="s2">&quot;flag&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;flag&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;flag&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">rh2s</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;flag&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">rh2s</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">rh2s</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">t</span> <span class="o">=</span> <span class="nb">list</span><span class="p">()</span>
<span class="k">for</span> <span class="n">w</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitness&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">w</span><span class="p">)</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="n">w</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="n">w</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="n">t</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">w</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitness&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">t</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitnessAsm&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="n">decode_script</span><span class="p">(</span><span class="n">ws</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> <span class="k">for</span> <span class="n">ws</span> <span class="ow">in</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitness&quot;</span><span class="p">]]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitnessOpcodes&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="n">decode_script</span><span class="p">(</span><span class="n">ws</span><span class="p">)</span> <span class="k">for</span> <span class="n">ws</span> <span class="ow">in</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitness&quot;</span><span class="p">]]</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">pass</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="n">sh</span> <span class="o">=</span> <span class="kc">True</span> <span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="ow">in</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span> <span class="k">else</span> <span class="kc">False</span>
<span class="n">witness_version</span> <span class="o">=</span> <span class="kc">None</span> <span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="o">&lt;</span> <span class="mi">5</span> <span class="k">else</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;address&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hash_to_address</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">],</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;testnet&quot;</span><span class="p">],</span>
<span class="n">sh</span><span class="p">,</span>
<span class="n">witness_version</span><span class="p">)</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">pass</span>
<span class="k">if</span> <span class="s2">&quot;scriptPubKey&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKeyOpcodes&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKeyAsm&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">],</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">if</span> <span class="s2">&quot;redeemScript&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;redeemScript&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;redeemScript&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;redeemScript&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;redeemScriptOpcodes&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;redeemScript&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;redeemScriptAsm&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;redeemScript&quot;</span><span class="p">],</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;coinbase&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSigOpcodes&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSigAsm&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">],</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="n">sh</span> <span class="o">=</span> <span class="kc">True</span> <span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="ow">in</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span> <span class="k">else</span> <span class="kc">False</span>
<span class="n">witness_version</span> <span class="o">=</span> <span class="kc">None</span> <span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="o">&lt;</span> <span class="mi">5</span> <span class="k">else</span> <span class="mi">0</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;address&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hash_to_address</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">],</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;testnet&quot;</span><span class="p">],</span>
<span class="n">sh</span><span class="p">,</span>
<span class="n">witness_version</span><span class="p">)</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">pass</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKeyOpcodes&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKeyAsm&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">],</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">if</span> <span class="s2">&quot;data&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">def</span> <span class="nf">encode</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s2rh</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="s2">&quot;flag&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;flag&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;flag&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s2rh</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;flag&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s2rh</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">])</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s2rh</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">])</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">t</span> <span class="o">=</span> <span class="nb">list</span><span class="p">()</span>
<span class="k">for</span> <span class="n">w</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitness&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">w</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">w</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">w</span><span class="p">)</span>
<span class="n">t</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">w</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitness&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">t</span>
<span class="k">if</span> <span class="s2">&quot;txInWitnessAsm&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">del</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitnessAsm&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="s2">&quot;txInWitnessOpcodes&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">del</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txInWitnessOpcodes&quot;</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">pass</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="s2">&quot;address&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">del</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;address&quot;</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">pass</span>
<span class="k">if</span> <span class="s2">&quot;scriptSigAsm&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">del</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSigAsm&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="s2">&quot;scriptSigOpcodes&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">del</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptSigOpcodes&quot;</span><span class="p">]</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">])</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="s2">&quot;address&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">del</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;address&quot;</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">pass</span>
<span class="k">if</span> <span class="s2">&quot;scriptPubKeyOpcodes&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">del</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKeyOpcodes&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="s2">&quot;scriptPubKeyAsm&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="k">del</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKeyAsm&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="s2">&quot;data&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;raw&quot;</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">def</span> <span class="nf">get_stream</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">stream</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span> <span class="o">!=</span> <span class="n">io</span><span class="o">.</span><span class="n">BytesIO</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">stream</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="n">stream</span> <span class="o">=</span> <span class="n">io</span><span class="o">.</span><span class="n">BytesIO</span><span class="p">(</span><span class="n">stream</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span>
<span class="k">return</span> <span class="n">stream</span>
<span class="k">def</span> <span class="nf">serialize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">segwit</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="nb">hex</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
<span class="n">chunks</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;version&quot;</span><span class="p">]))</span>
<span class="k">if</span> <span class="n">segwit</span> <span class="ow">and</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;segwit&quot;</span><span class="p">]:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">b</span><span class="s2">&quot;</span><span class="se">\x00\x01</span><span class="s2">&quot;</span><span class="p">)</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">])))</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;txId&#39;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;txId&#39;</span><span class="p">])</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">s2rh</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;txId&#39;</span><span class="p">]))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;vOut&#39;</span><span class="p">]))</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptSig&#39;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptSig&#39;</span><span class="p">])))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptSig&#39;</span><span class="p">])</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptSig&#39;</span><span class="p">])</span> <span class="o">/</span> <span class="mi">2</span><span class="p">)))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">unhexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptSig&#39;</span><span class="p">]))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;sequence&#39;</span><span class="p">]))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">])))</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="s1">&#39;&lt;Q&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;value&#39;</span><span class="p">]))</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptPubKey&#39;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptPubKey&#39;</span><span class="p">])))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptPubKey&#39;</span><span class="p">])</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptPubKey&#39;</span><span class="p">])</span> <span class="o">/</span> <span class="mi">2</span><span class="p">)))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">unhexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;scriptPubKey&#39;</span><span class="p">]))</span>
<span class="k">if</span> <span class="n">segwit</span> <span class="ow">and</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;segwit&quot;</span><span class="p">]:</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;txInWitness&#39;</span><span class="p">])))</span>
<span class="k">for</span> <span class="n">w</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s1">&#39;txInWitness&#39;</span><span class="p">]:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">w</span><span class="p">)</span> <span class="o">==</span> <span class="nb">bytes</span><span class="p">:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">w</span><span class="p">)))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">w</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">w</span><span class="p">)</span> <span class="o">/</span> <span class="mi">2</span><span class="p">)))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">unhexlify</span><span class="p">(</span><span class="n">w</span><span class="p">))</span>
<span class="n">chunks</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="p">[</span><span class="s1">&#39;lockTime&#39;</span><span class="p">]))</span>
<span class="n">tx</span> <span class="o">=</span> <span class="sa">b</span><span class="s1">&#39;&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">chunks</span><span class="p">)</span>
<span class="k">return</span> <span class="n">tx</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">hex</span> <span class="k">else</span> <span class="n">hexlify</span><span class="p">(</span><span class="n">tx</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">json</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">return</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">pass</span>
<span class="k">return</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">decode</span><span class="p">())</span>
<span class="k">def</span> <span class="nf">add_input</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">tx_id</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">v_out</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">sequence</span><span class="o">=</span><span class="mh">0xffffffff</span><span class="p">,</span>
<span class="n">script_sig</span><span class="o">=</span><span class="sa">b</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">tx_in_witness</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">amount</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">script_pub_key</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">address</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">private_key</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">tx_id</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">tx_id</span> <span class="o">=</span> <span class="sa">b</span><span class="s2">&quot;</span><span class="se">\x00</span><span class="s2">&quot;</span> <span class="o">*</span> <span class="mi">32</span>
<span class="n">v_out</span> <span class="o">=</span> <span class="mh">0xffffffff</span>
<span class="k">assert</span> <span class="n">v_out</span> <span class="o">==</span> <span class="mh">0xffffffff</span> <span class="ow">and</span> <span class="n">sequence</span> <span class="o">==</span> <span class="mh">0xffffffff</span>
<span class="k">assert</span> <span class="ow">not</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">tx_id</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">tx_id</span> <span class="o">=</span> <span class="n">s2rh</span><span class="p">(</span><span class="n">tx_id</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">script_sig</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">script_sig</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">script_sig</span><span class="p">)</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">tx_id</span><span class="p">)</span> <span class="o">==</span> <span class="nb">bytes</span>
<span class="k">assert</span> <span class="nb">len</span><span class="p">(</span><span class="n">tx_id</span><span class="p">)</span> <span class="o">==</span> <span class="mi">32</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">v_out</span><span class="p">)</span> <span class="o">==</span> <span class="nb">int</span>
<span class="k">assert</span> <span class="n">v_out</span> <span class="o">&lt;=</span> <span class="mh">0xffffffff</span> <span class="ow">and</span> <span class="n">v_out</span> <span class="o">&gt;=</span> <span class="mi">0</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">sequence</span><span class="p">)</span> <span class="o">==</span> <span class="nb">int</span>
<span class="k">assert</span> <span class="n">sequence</span> <span class="o">&lt;=</span> <span class="mh">0xffffffff</span> <span class="ow">and</span> <span class="n">sequence</span> <span class="o">&gt;=</span> <span class="mi">0</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">script_sig</span><span class="p">)</span> <span class="o">==</span> <span class="nb">bytes</span>
<span class="k">assert</span> <span class="nb">len</span><span class="p">(</span><span class="n">script_sig</span><span class="p">)</span> <span class="o">&lt;=</span> <span class="mi">520</span>
<span class="k">if</span> <span class="n">private_key</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">private_key</span><span class="p">)</span> <span class="o">!=</span> <span class="n">PrivateKey</span><span class="p">:</span>
<span class="n">private_key</span> <span class="o">=</span> <span class="n">PrivateKey</span><span class="p">(</span><span class="n">private_key</span><span class="p">)</span>
<span class="k">if</span> <span class="n">amount</span><span class="p">:</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">amount</span><span class="p">)</span> <span class="o">==</span> <span class="nb">int</span>
<span class="k">assert</span> <span class="n">amount</span> <span class="o">&gt;=</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">amount</span> <span class="o">&lt;=</span> <span class="n">MAX_AMOUNT</span>
<span class="k">if</span> <span class="n">tx_in_witness</span><span class="p">:</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">tx_in_witness</span><span class="p">)</span> <span class="o">==</span> <span class="nb">list</span>
<span class="n">l</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">witness</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">w</span> <span class="ow">in</span> <span class="n">tx_in_witness</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">w</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">witness</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">unhexlify</span><span class="p">(</span><span class="n">w</span><span class="p">)</span> <span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;raw&quot;</span> <span class="k">else</span> <span class="n">w</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">witness</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">w</span> <span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;raw&quot;</span> <span class="k">else</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">w</span><span class="p">))</span>
<span class="n">l</span> <span class="o">+=</span> <span class="mi">1</span> <span class="o">+</span> <span class="nb">len</span><span class="p">(</span><span class="n">w</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">w</span><span class="p">)</span> <span class="o">&gt;=</span> <span class="mh">0x4c</span><span class="p">:</span>
<span class="n">l</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">w</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mh">0xff</span><span class="p">:</span>
<span class="n">l</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="c1"># witness script limit</span>
<span class="k">assert</span> <span class="n">l</span> <span class="o">&lt;=</span> <span class="mi">10000</span>
<span class="k">if</span> <span class="n">tx_id</span> <span class="o">==</span> <span class="sa">b</span><span class="s2">&quot;</span><span class="se">\x00</span><span class="s2">&quot;</span> <span class="o">*</span> <span class="mi">32</span><span class="p">:</span>
<span class="k">assert</span> <span class="n">v_out</span> <span class="o">==</span> <span class="mh">0xffffffff</span> <span class="ow">and</span> <span class="n">sequence</span> <span class="o">==</span> <span class="mh">0xffffffff</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">script_sig</span><span class="p">)</span> <span class="o">&lt;=</span> <span class="mi">100</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;coinbase&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="c1"># script_pub_key</span>
<span class="k">if</span> <span class="n">script_pub_key</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">script_pub_key</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span>
<span class="nb">type</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span> <span class="o">==</span> <span class="nb">bytes</span>
<span class="k">if</span> <span class="n">address</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">address</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">net</span> <span class="o">=</span> <span class="kc">True</span> <span class="k">if</span> <span class="n">address_net_type</span><span class="p">(</span><span class="n">address</span><span class="p">)</span> <span class="o">==</span> <span class="s1">&#39;mainnet&#39;</span> <span class="k">else</span> <span class="kc">False</span>
<span class="k">assert</span> <span class="ow">not</span> <span class="n">net</span> <span class="o">==</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;testnet&quot;</span><span class="p">]</span>
<span class="n">script</span> <span class="o">=</span> <span class="n">address_to_script</span><span class="p">(</span><span class="n">address</span><span class="p">)</span>
<span class="k">elif</span> <span class="nb">type</span><span class="p">(</span><span class="n">address</span><span class="p">)</span> <span class="ow">in</span> <span class="p">(</span><span class="n">Address</span><span class="p">,</span> <span class="n">ScriptAddress</span><span class="p">):</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">address</span><span class="p">)</span> <span class="o">==</span> <span class="n">Address</span>
<span class="n">script</span> <span class="o">=</span> <span class="n">address_to_script</span><span class="p">(</span><span class="n">address</span><span class="o">.</span><span class="n">address</span><span class="p">)</span>
<span class="k">if</span> <span class="n">script_pub_key</span><span class="p">:</span>
<span class="k">assert</span> <span class="n">script_pub_key</span> <span class="o">==</span> <span class="n">script</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">script_pub_key</span> <span class="o">=</span> <span class="n">script</span>
<span class="n">k</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;vOut&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">v_out</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;sequence&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">sequence</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;raw&quot;</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">tx_id</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">script_sig</span>
<span class="k">if</span> <span class="n">script_pub_key</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">script_pub_key</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">rh2s</span><span class="p">(</span><span class="n">tx_id</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="n">script_sig</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptSigOpcodes&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="n">script_sig</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptSigAsm&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="n">script_sig</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">if</span> <span class="n">script_pub_key</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">if</span> <span class="n">tx_in_witness</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;segwit&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;txInWitness&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">witness</span>
<span class="k">if</span> <span class="n">amount</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;value&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">amount</span>
<span class="k">if</span> <span class="n">private_key</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">]</span><span class="o">.</span><span class="n">private_key</span> <span class="o">=</span> <span class="n">private_key</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__refresh__</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">def</span> <span class="nf">add_output</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">amount</span><span class="p">,</span> <span class="n">address</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">script_pub_key</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="k">assert</span> <span class="n">address</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">or</span> <span class="n">script_pub_key</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
<span class="k">assert</span> <span class="ow">not</span> <span class="p">(</span><span class="n">address</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">script_pub_key</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">amount</span><span class="p">)</span> <span class="o">==</span> <span class="nb">int</span>
<span class="k">assert</span> <span class="n">amount</span> <span class="o">&gt;=</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">amount</span> <span class="o">&lt;=</span> <span class="n">MAX_AMOUNT</span>
<span class="k">if</span> <span class="n">script_pub_key</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">script_pub_key</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span> <span class="o">==</span> <span class="nb">bytes</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">address</span><span class="p">)</span> <span class="o">==</span> <span class="n">Address</span><span class="p">:</span>
<span class="n">address</span> <span class="o">=</span> <span class="n">address</span><span class="o">.</span><span class="n">address</span>
<span class="n">script_pub_key</span> <span class="o">=</span> <span class="n">address_to_script</span><span class="p">(</span><span class="n">address</span><span class="p">)</span>
<span class="n">k</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;value&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">amount</span>
<span class="n">segwit</span> <span class="o">=</span> <span class="kc">True</span> <span class="k">if</span> <span class="s2">&quot;segwit&quot;</span> <span class="ow">in</span> <span class="bp">self</span> <span class="k">else</span> <span class="kc">False</span>
<span class="n">s</span> <span class="o">=</span> <span class="n">parse_script</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">,</span> <span class="n">segwit</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;type&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;type&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;raw&quot;</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">script_pub_key</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">if</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="mi">3</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">7</span><span class="p">):</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;addressHash&quot;</span><span class="p">]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;reqSigs&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;reqSigs&quot;</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">if</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="mi">3</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="n">s</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">if</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">7</span><span class="p">):</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="n">s</span><span class="p">[</span><span class="s2">&quot;addressHash&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;reqSigs&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="p">[</span><span class="s2">&quot;reqSigs&quot;</span><span class="p">]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptPubKeyOpcodes&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;scriptPubKeyAsm&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">sh</span> <span class="o">=</span> <span class="kc">True</span> <span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="ow">in</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span> <span class="k">else</span> <span class="kc">False</span>
<span class="n">witness_version</span> <span class="o">=</span> <span class="kc">None</span> <span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;nType&quot;</span><span class="p">]</span> <span class="o">&lt;</span> <span class="mi">5</span> <span class="k">else</span> <span class="mi">0</span>
<span class="k">if</span> <span class="s2">&quot;addressHash&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">]:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;address&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hash_to_address</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">k</span><span class="p">][</span><span class="s2">&quot;addressHash&quot;</span><span class="p">],</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;testnet&quot;</span><span class="p">],</span>
<span class="n">sh</span><span class="p">,</span>
<span class="n">witness_version</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__refresh__</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">def</span> <span class="nf">del_output</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">n</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]:</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">if</span> <span class="n">n</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">n</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">])</span> <span class="o">-</span> <span class="mi">1</span>
<span class="n">new_out</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="n">c</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">])):</span>
<span class="k">if</span> <span class="n">i</span> <span class="o">!=</span> <span class="n">n</span><span class="p">:</span>
<span class="n">new_out</span><span class="p">[</span><span class="n">c</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]</span>
<span class="n">c</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new_out</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__refresh__</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">def</span> <span class="nf">del_input</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">n</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]:</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">if</span> <span class="n">n</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">n</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">])</span> <span class="o">-</span> <span class="mi">1</span>
<span class="n">new_in</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="n">c</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">])):</span>
<span class="k">if</span> <span class="n">i</span> <span class="o">!=</span> <span class="n">n</span><span class="p">:</span>
<span class="n">new_in</span><span class="p">[</span><span class="n">c</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]</span>
<span class="n">c</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new_in</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__refresh__</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">def</span> <span class="nf">sign_input</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">n</span><span class="p">,</span> <span class="n">private_key</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">script_pub_key</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">redeem_script</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">sighash_type</span><span class="o">=</span><span class="n">SIGHASH_ALL</span><span class="p">):</span>
<span class="k">if</span> <span class="n">private_key</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">if</span> <span class="n">private_key</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">private_key</span><span class="p">)</span> <span class="o">!=</span> <span class="n">PrivateKey</span><span class="p">:</span>
<span class="n">private_key_obj</span> <span class="o">=</span> <span class="n">PrivateKey</span><span class="p">(</span><span class="n">private_key</span><span class="p">)</span>
<span class="n">public_key</span> <span class="o">=</span> <span class="n">PublicKey</span><span class="p">(</span><span class="n">private_key_obj</span><span class="p">)</span><span class="o">.</span><span class="n">key</span>
<span class="n">private_key</span> <span class="o">=</span> <span class="n">private_key_obj</span><span class="o">.</span><span class="n">key</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="s2">&quot;privateKey&quot;</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">]:</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="n">private_key</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">]</span><span class="o">.</span><span class="n">private_key</span><span class="o">.</span><span class="n">key</span>
<span class="n">public_key</span> <span class="o">=</span> <span class="n">PublicKey</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">]</span><span class="o">.</span><span class="n">private_key</span><span class="p">)</span><span class="o">.</span><span class="n">key</span>
<span class="k">if</span> <span class="n">redeem_script</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">redeem_script</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)</span> <span class="o">==</span> <span class="nb">bytes</span>
<span class="n">script</span> <span class="o">=</span> <span class="n">redeem_script</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">script</span> <span class="o">=</span> <span class="n">script_pub_key</span>
<span class="n">sighash</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sig_hash_input</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">script_pub_key</span><span class="o">=</span><span class="n">script</span><span class="p">,</span> <span class="n">sighash_type</span><span class="o">=</span><span class="n">sighash_type</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">sighash</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">sighash</span> <span class="o">=</span> <span class="n">s2rh</span><span class="p">(</span><span class="n">sighash</span><span class="p">)</span>
<span class="n">signature</span> <span class="o">=</span> <span class="n">sign_message</span><span class="p">(</span><span class="n">sighash</span><span class="p">,</span> <span class="n">private_key</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="o">+</span> <span class="nb">bytes</span><span class="p">([</span><span class="n">sighash_type</span><span class="p">])</span>
<span class="k">if</span> <span class="n">redeem_script</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]:</span>
<span class="n">sig_script</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">sig_script</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">sig_script</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">sig_script</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="n">sig_script</span> <span class="o">=</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">public_key</span><span class="p">)])</span> <span class="o">+</span> <span class="n">public_key</span> <span class="o">+</span> <span class="n">sig_script</span>
<span class="n">sig_script</span> <span class="o">=</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">signature</span><span class="p">)])</span> <span class="o">+</span> <span class="n">signature</span> <span class="o">+</span> <span class="n">sig_script</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">sig_script</span> <span class="o">=</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">signature</span><span class="p">)])</span> <span class="o">+</span> <span class="n">signature</span>
<span class="n">sig_script</span> <span class="o">+=</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">public_key</span><span class="p">)])</span> <span class="o">+</span> <span class="n">public_key</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)</span> <span class="o">&lt;=</span> <span class="mh">0x4b</span><span class="p">:</span>
<span class="n">sig_script</span> <span class="o">+=</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)])</span> <span class="o">+</span> <span class="n">redeem_script</span>
<span class="k">elif</span> <span class="nb">len</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)</span> <span class="o">&lt;=</span> <span class="mh">0xff</span><span class="p">:</span>
<span class="n">sig_script</span> <span class="o">=</span> <span class="n">BYTE_OPCODE</span><span class="p">[</span><span class="s2">&quot;OP_PUSHDATA1&quot;</span><span class="p">]</span> <span class="o">+</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)])</span> <span class="o">+</span> <span class="n">redeem_script</span>
<span class="k">elif</span> <span class="nb">len</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)</span> <span class="o">&lt;=</span> <span class="mh">0xffff</span><span class="p">:</span>
<span class="n">sig_script</span> <span class="o">=</span> <span class="n">BYTE_OPCODE</span><span class="p">[</span><span class="s2">&quot;OP_PUSHDATA2&quot;</span><span class="p">]</span> <span class="o">+</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)])</span> <span class="o">+</span> <span class="n">redeem_script</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">sig_script</span> <span class="o">=</span> <span class="n">BYTE_OPCODE</span><span class="p">[</span><span class="s2">&quot;OP_PUSHDATA4&quot;</span><span class="p">]</span> <span class="o">+</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">redeem_script</span><span class="p">)])</span> <span class="o">+</span> <span class="n">redeem_script</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">sig_script</span> <span class="o">=</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">signature</span><span class="p">)])</span> <span class="o">+</span> <span class="n">signature</span>
<span class="n">sig_script</span> <span class="o">+=</span> <span class="nb">bytes</span><span class="p">([</span><span class="nb">len</span><span class="p">(</span><span class="n">public_key</span><span class="p">)])</span> <span class="o">+</span> <span class="n">public_key</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;raw&quot;</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">sig_script</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">][</span><span class="s2">&quot;scriptSig&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="n">sig_script</span><span class="p">)</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">][</span><span class="s2">&quot;scriptSigOpcodes&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="n">sig_script</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">][</span><span class="s2">&quot;scriptSigAsm&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">decode_script</span><span class="p">(</span><span class="n">sig_script</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__refresh__</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span>
<span class="k">def</span> <span class="nf">sig_hash_input</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">n</span><span class="p">,</span> <span class="n">script_pub_key</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">sighash_type</span><span class="o">=</span><span class="n">SIGHASH_ALL</span><span class="p">):</span>
<span class="c1"># check n</span>
<span class="k">assert</span> <span class="n">n</span> <span class="o">&gt;=</span> <span class="mi">0</span>
<span class="n">tx_in_count</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="n">n</span> <span class="o">&gt;=</span> <span class="n">tx_in_count</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;raw&quot;</span><span class="p">:</span>
<span class="k">return</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x01</span><span class="s1">&#39;</span> <span class="o">+</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x00</span><span class="s1">&#39;</span> <span class="o">*</span> <span class="mi">31</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="n">rh2s</span><span class="p">(</span><span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x01</span><span class="s1">&#39;</span> <span class="o">+</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x00</span><span class="s1">&#39;</span> <span class="o">*</span> <span class="mi">31</span><span class="p">)</span>
<span class="c1"># check script_pub_key for input</span>
<span class="k">if</span> <span class="n">script_pub_key</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">script_code</span> <span class="o">=</span> <span class="n">script_pub_key</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">assert</span> <span class="s2">&quot;scriptPubKey&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">]</span>
<span class="n">script_code</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">n</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">script_code</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">script_code</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">script_code</span><span class="p">)</span>
<span class="k">assert</span> <span class="nb">type</span><span class="p">(</span><span class="n">script_code</span><span class="p">)</span> <span class="o">==</span> <span class="nb">bytes</span>
<span class="c1"># remove opcode separators</span>
<span class="n">script_code</span> <span class="o">=</span> <span class="n">delete_from_script</span><span class="p">(</span><span class="n">script_code</span><span class="p">,</span> <span class="n">BYTE_OPCODE</span><span class="p">[</span><span class="s2">&quot;OP_CODESEPARATOR&quot;</span><span class="p">])</span>
<span class="n">preimage</span> <span class="o">=</span> <span class="nb">bytearray</span><span class="p">()</span>
<span class="k">if</span> <span class="p">((</span><span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="mi">31</span><span class="p">)</span> <span class="o">==</span> <span class="n">SIGHASH_SINGLE</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">n</span> <span class="o">&gt;=</span> <span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]))):</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;raw&quot;</span><span class="p">:</span>
<span class="k">return</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x01</span><span class="s1">&#39;</span> <span class="o">+</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x00</span><span class="s1">&#39;</span> <span class="o">*</span> <span class="mi">31</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="n">rh2s</span><span class="p">(</span><span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x01</span><span class="s1">&#39;</span> <span class="o">+</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x00</span><span class="s1">&#39;</span> <span class="o">*</span> <span class="mi">31</span><span class="p">)</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;version&quot;</span><span class="p">])</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x01</span><span class="s1">&#39;</span> <span class="k">if</span> <span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="n">SIGHASH_ANYONECANPAY</span> <span class="k">else</span> <span class="n">int_to_var_int</span><span class="p">(</span><span class="n">tx_in_count</span><span class="p">)</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]:</span>
<span class="c1"># skip all other inputs for SIGHASH_ANYONECANPAY case</span>
<span class="k">if</span> <span class="p">(</span><span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="n">SIGHASH_ANYONECANPAY</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">n</span> <span class="o">!=</span> <span class="n">i</span><span class="p">):</span>
<span class="k">continue</span>
<span class="n">sequence</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;sequence&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="p">(</span><span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="mi">31</span><span class="p">)</span> <span class="o">==</span> <span class="n">SIGHASH_SINGLE</span> <span class="ow">and</span> <span class="p">(</span><span class="n">n</span> <span class="o">!=</span> <span class="n">i</span><span class="p">):</span>
<span class="n">sequence</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">if</span> <span class="p">(</span><span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="mi">31</span><span class="p">)</span> <span class="o">==</span> <span class="n">SIGHASH_NONE</span> <span class="ow">and</span> <span class="p">(</span><span class="n">n</span> <span class="o">!=</span> <span class="n">i</span><span class="p">):</span>
<span class="n">sequence</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">tx_id</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">tx_id</span><span class="p">)</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">tx_id</span> <span class="o">=</span> <span class="n">s2rh</span><span class="p">(</span><span class="n">tx_id</span><span class="p">)</span>
<span class="nb">input</span> <span class="o">=</span> <span class="n">tx_id</span> <span class="o">+</span> <span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;vOut&quot;</span><span class="p">])</span>
<span class="k">if</span> <span class="n">n</span> <span class="o">==</span> <span class="n">i</span><span class="p">:</span>
<span class="nb">input</span> <span class="o">+=</span> <span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">script_code</span><span class="p">))</span> <span class="o">+</span> <span class="n">script_code</span>
<span class="nb">input</span> <span class="o">+=</span> <span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="n">sequence</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="nb">input</span> <span class="o">+=</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x00</span><span class="s1">&#39;</span> <span class="o">+</span> <span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="s1">&#39;&lt;L&#39;</span><span class="p">,</span> <span class="n">sequence</span><span class="p">)</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="nb">input</span>
<span class="k">if</span> <span class="p">(</span><span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="mi">31</span><span class="p">)</span> <span class="o">==</span> <span class="n">SIGHASH_NONE</span><span class="p">:</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x00</span><span class="s1">&#39;</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="p">(</span><span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="mi">31</span><span class="p">)</span> <span class="o">==</span> <span class="n">SIGHASH_SINGLE</span><span class="p">:</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="n">int_to_var_int</span><span class="p">(</span><span class="n">n</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]))</span>
<span class="k">if</span> <span class="p">(</span><span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="mi">31</span><span class="p">)</span> <span class="o">!=</span> <span class="n">SIGHASH_NONE</span><span class="p">:</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]:</span>
<span class="n">script_pub_key</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;scriptPubKey&quot;</span><span class="p">])</span> <span class="o">==</span> <span class="nb">str</span><span class="p">:</span>
<span class="n">script_pub_key</span> <span class="o">=</span> <span class="n">unhexlify</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">)</span>
<span class="k">if</span> <span class="n">i</span> <span class="o">&gt;</span> <span class="n">n</span> <span class="ow">and</span> <span class="p">(</span><span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="mi">31</span><span class="p">)</span> <span class="o">==</span> <span class="n">SIGHASH_SINGLE</span><span class="p">:</span>
<span class="k">continue</span>
<span class="k">if</span> <span class="p">(</span><span class="n">sighash_type</span> <span class="o">&amp;</span> <span class="mi">31</span><span class="p">)</span> <span class="o">==</span> <span class="n">SIGHASH_SINGLE</span> <span class="ow">and</span> <span class="p">(</span><span class="n">n</span> <span class="o">!=</span> <span class="n">i</span><span class="p">):</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\xff</span><span class="s1">&#39;</span> <span class="o">*</span> <span class="mi">8</span> <span class="o">+</span> <span class="sa">b</span><span class="s1">&#39;</span><span class="se">\x00</span><span class="s1">&#39;</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;value&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">to_bytes</span><span class="p">(</span><span class="mi">8</span><span class="p">,</span> <span class="s1">&#39;little&#39;</span><span class="p">)</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="n">int_to_var_int</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">script_pub_key</span><span class="p">))</span> <span class="o">+</span> <span class="n">script_pub_key</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;lockTime&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">to_bytes</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="s1">&#39;little&#39;</span><span class="p">)</span>
<span class="n">preimage</span> <span class="o">+=</span> <span class="n">struct</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="sa">b</span><span class="s2">&quot;&lt;i&quot;</span><span class="p">,</span> <span class="n">sighash_type</span><span class="p">)</span>
<span class="k">return</span> <span class="n">double_sha256</span><span class="p">(</span><span class="n">preimage</span><span class="p">)</span> <span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;raw&quot;</span> <span class="k">else</span> <span class="n">rh2s</span><span class="p">(</span><span class="n">double_sha256</span><span class="p">(</span><span class="n">preimage</span><span class="p">))</span>
<span class="k">def</span> <span class="nf">__refresh__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]:</span>
<span class="k">return</span>
<span class="n">no_segwit_view</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">serialize</span><span class="p">(</span><span class="n">segwit</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="nb">hex</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">double_sha256</span><span class="p">(</span><span class="n">no_segwit_view</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">serialize</span><span class="p">(</span><span class="n">segwit</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="nb">hex</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">double_sha256</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;size&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;bSize&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">no_segwit_view</span><span class="p">)</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;weight&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;bSize&quot;</span><span class="p">]</span> <span class="o">*</span> <span class="mi">3</span> <span class="o">+</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;size&quot;</span><span class="p">]</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vSize&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">ceil</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;weight&quot;</span><span class="p">]</span> <span class="o">/</span> <span class="mi">4</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;format&quot;</span><span class="p">]</span> <span class="o">!=</span> <span class="s2">&quot;raw&quot;</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">rh2s</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;txId&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">rh2s</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;hash&quot;</span><span class="p">])</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hexlify</span><span class="p">(</span><span class="bp">self</span><span class="p">[</span><span class="s2">&quot;rawTx&quot;</span><span class="p">])</span><span class="o">.</span><span class="n">decode</span><span class="p">()</span>
<span class="n">input_sum</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="s2">&quot;value&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="n">input_sum</span> <span class="o">+=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vIn&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;value&quot;</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">input_sum</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">break</span>
<span class="n">output_sum</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">]:</span>
<span class="k">if</span> <span class="s2">&quot;value&quot;</span> <span class="ow">in</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">]:</span>
<span class="n">output_sum</span> <span class="o">+=</span> <span class="bp">self</span><span class="p">[</span><span class="s2">&quot;vOut&quot;</span><span class="p">][</span><span class="n">i</span><span class="p">][</span><span class="s2">&quot;value&quot;</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">output_sum</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">break</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;amount&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">output_sum</span>
<span class="k">if</span> <span class="n">output_sum</span> <span class="ow">and</span> <span class="n">input_sum</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;fee&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">input_sum</span> <span class="o">-</span> <span class="n">output_sum</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="p">[</span><span class="s2">&quot;fee&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></div>
</pre></div>
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=========
Addresses
=========
Collection of base classes that implement the work with Bitcoin addresses and address keys.
Supports addresses types PUBKEY, P2PKH, P2SH, P2SH-PWPKH, P2WPKH, P2WSH.
|
|
.. autoclass:: pybtc.PrivateKey
:members:
:inherited-members:
|
|
.. autoclass:: pybtc.PublicKey
:members:
:inherited-members:
|
|
.. autoclass:: pybtc.Address
:members:
:inherited-members:

10
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======
Blocks
======
The class for creating transaction.
.. autoclass:: pybtc.Block

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@ -0,0 +1,13 @@
=========
Reference
=========
.. toctree::
:name: mastertoc
:maxdepth: 2
address.rst
transaction.rst
block.rst

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@ -0,0 +1,36 @@
.. _pybtc-contributing:
============
Contributing
============
Instructions for contributors
-----------------------------
In order to make a clone of the GitHub repo: open the link and press the
"Fork" button on the upper-right menu of the web page.
Workflow is pretty straightforward:
1. Clone the GitHub
2. Make a change
3. Make sure all tests passed
4. Add a record intp file into ``change.log``.
5. Commit changes to own aiohttp clone
6. Make pull request from github page for your clone against master branch
Tests coverage
--------------
We are trying hard to have good test coverage; please don't make it worse.
All tests located in ``tests/`` folder.

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@ -0,0 +1,118 @@
========
Examples
========
Create address
--------------
This is example of usage Address class. The address class implements the work with addresses controlled by a private key.
Supports the ability to create P2WPKH, P2PKH, PUBKEY address types and P2SH_P2WPKH as exception for SEGWIT adoption.
It is recommended to use native SEGWIT address type - P2WPKH, which reduces costs of miner fee and expand block capacity.
To create an address, you need to create a class object. Buy default,
will be created P2WPKH address for mainnet.
.. code-block:: bash
>>> import pybtc
>>> a = pybtc.Address()
>>> a.address
'bc1q6cxx5t8xkruz3s5khx7923xvsx5ry4c6p74m5s'
>>> a.private_key.wif
'L5XKGA2xEHcinWEpmyiABS1bqQux8Av5dGVqcpRtVJC3ZCR5sXUe'
>>>
>>> # create P2PKH legacy format
>>> pybtc.Address(address_type="P2PKH").address
'1ChpKurzFhdCULKaNHCc3Ra9KfxM2LRguw'
>>>
>>> # create testnet address
>>> pybtc.Address(address_type="P2PKH", testnet=True).address
'mpR4hDfu269yxgZtPVYSD21gtpvdxpTmH6'
>>>
>>> # create P2SH_P2WPKH SEGWIT adoption address
>>> pybtc.Address(address_type="P2SH_P2WPKH").address
'3Bqeq3XqL6azMK3BxNyr8vXgXUtoG63J4T'
>>>
Get address from key
--------------------
In case you already have private or public key you can object from your key.
.. code-block:: bash
>>> a = pybtc.Address('L5XKGA2xEHcinWEpmyiABS1bqQux8Av5dGVqcpRtVJC3ZCR5sXUe')
>>> a.address
'bc1q6cxx5t8xkruz3s5khx7923xvsx5ry4c6p74m5s'
>>> a.public_key.hex
'03b8b44876e1f45be7e42953ea47026c39cc45341344d3ab32701b93de696107af'
>>>
>>> # get address from public key
>>> pub = pybtc.PublicKey('03b8b44876e1f45be7e42953ea47026c39cc45341344d3ab32701b93de696107af')
>>>
>>> pybtc.Address(pub).address
'bc1q6cxx5t8xkruz3s5khx7923xvsx5ry4c6p74m5s'
>>>
Pure functions for address
--------------------------
Create private key
.. code-block:: bash
>>> import pybtc
>>> pybtc.create_private_key()
'KyvZYvdzWD4JSPFt4wXwjG53as227zT2qiWbMTicZEUSjiwvbEqi'
>>>
>>> pybtc.create_private_key(compressed=False)
'5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381HWuHvPGirJto9ZTnr'
>>>
>>> pybtc.is_wif_valid('5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381HWuHvPGirJto9ZTnr')
True
>>> pybtc.is_wif_valid('5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381**********Jto9ZTnr')
False
>>>
Get public key from private key
.. code-block:: bash
>>> import pybtc
>>> pybtc.private_to_public_key('5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381HWuHvPGirJto9ZTnr')
'0479f17a94410afd4f27588a192bacada53add0741765092dc0f8e2a29ea1bcd276dbc1ef74c3e0172d9db8047f2a0a5dc2e8e51a13f7f0cc072de906b765e0f7f'
>>>
>>> pybtc.public_key_to_address('0479f17a94410afd4f27588a192bacada53add0741765092dc0f8e2a29ea1bcd276dbc1ef74c3e0172d9db8047f2a0a5dc2e8e51a13f7f0cc072de906b765e0f7f')
>>>
>>> # this is uncompressed public key, so we can't create witness address
>>> # we have to set witness_version to None to get non segwit address
>>> pub = pybtc.private_to_public_key('5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381HWuHvPGirJto9ZTnr')
>>> pybtc.public_key_to_address(pub, witness_version=None)
'17mXwxxZRmj1nJJzDszZbW9URSAradEuAt'
>>>
Tools
.. code-block:: bash
>>> pybtc.is_address_valid('17mXwxxZRmj1nJJzDszZbW9URSAradEuAt')
True
>>> pybtc.address_type('17mXwxxZRmj1nJJzDszZbW9URSAradEuAt')
'P2PKH'
>>> pybtc.address_net_type('17mXwxxZRmj1nJJzDszZbW9URSAradEuAt')
'mainnet'
>>>
Create script address
---------------------

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@ -0,0 +1,108 @@
========================
Pure functions reference
========================
Base function primitives implemented in functional programming paradigm.
Private keys
============
.. autofunction:: pybtc.create_private_key
.. autofunction:: pybtc.private_key_to_wif
.. autofunction:: pybtc.wif_to_private_key
.. autofunction:: pybtc.is_wif_valid
Public keys
===========
.. WARNING::
Using uncompressed public keys is
`deprecated <https://github.com/bitcoin/bips/blob/master/bip-0143.mediawiki#restrictions-on-public-key-type>`_
in a new SEGWIT address format.
To avoid potential future funds loss, users MUST NOT use uncompressed keys
in version 0 witness programs. Use uncompressed keys only for backward
compatibilitylegacy in legacy address format (PUBKEY, P2PKH).
.. autofunction:: pybtc.private_to_public_key
.. autofunction:: pybtc.is_public_key_valid
Addresses
=========
.. autofunction:: pybtc.hash_to_address
.. autofunction:: pybtc.address_to_hash
.. autofunction:: pybtc.public_key_to_address
.. autofunction:: pybtc.address_type
.. autofunction:: pybtc.address_to_script
.. autofunction:: pybtc.is_address_valid
Script
======
.. autofunction:: pybtc.decode_script
.. autofunction:: pybtc.parse_script
.. autofunction:: pybtc.delete_from_script
.. autofunction:: pybtc.script_to_hash
Signatures
==========
.. autofunction:: pybtc.verify_signature
.. autofunction:: pybtc.sign_message
.. autofunction:: pybtc.is_valid_signature_encoding
Hash encoding
=============
.. autofunction:: pybtc.rh2s
.. autofunction:: pybtc.s2rh
.. autofunction:: pybtc.reverse_hash
Merkle root
===========
.. autofunction:: pybtc.merkle_root
.. autofunction:: pybtc.merkle_branches
.. autofunction:: pybtc.merkleroot_from_branches
Difficulty
==========
.. autofunction:: pybtc.bits_to_target
.. autofunction:: pybtc.target_to_difficulty
.. autofunction:: pybtc.bits_to_difficulty
.. autofunction:: pybtc.difficulty_to_target
Tools
=====
.. autofunction:: pybtc.bytes_needed
.. autofunction:: pybtc.int_to_bytes
.. autofunction:: pybtc.bytes_to_int
.. autofunction:: pybtc.int_to_var_int
.. autofunction:: pybtc.var_int_to_int
.. autofunction:: pybtc.var_int_len
.. autofunction:: pybtc.get_var_int_len
.. autofunction:: pybtc.read_var_int
.. autofunction:: pybtc.read_var_list
.. autofunction:: pybtc.int_to_c_int
.. autofunction:: pybtc.c_int_to_int
.. autofunction:: pybtc.c_int_len

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.. aiohttp documentation master file, created by
sphinx-quickstart on Wed Mar 5 12:35:35 2014.
You can adapt this file completely to your liking, but it should at least
contain the root `toctree` directive.
==================
Welcome to PYBTC
==================
Python library for Bitcoin.
Current version is |release|.
.. _GitHub: https://github.com/bitaps-com/pybtc
Key Features
============
- Supports addresses types PUBKEY, P2PKH, P2SH, P2SH-PWPKH, P2WPKH, P2WSH.
- Supports BIP32(Hierarchical Deterministic Wallets), BIP39(Mnemonic code generation)
- Supports BIP141(Segregated Witness)
- Transaction constructor
- Mining pool basic primitives
.. _aiohttp-installation:
Quick library Installation
==========================
.. code-block:: bash
$ pip install pybtc
Getting Started
===============
Usage example::
import pybtc
a = pybtc.Address()
print(a.address)
print(a.private_key.wif())
What's new in pybtc 2.0 ?
=========================
- Mnemonic code generation (BIP39)
- Hierarchical Deterministic Wallets (BIP32)
- Wallet class implemented acording BIP44
- Imporved transaction deserialization perfomance
Source code
===========
The project is hosted on GitHub_
Please feel free to file an issue on the `bug tracker
<https://github.com/bitaps-com/pybtc/issues>`_ if you have found a bug
or have some suggestion in order to improve the library.
Dependencies
============
- Python 3.3.3+
- *secp256k1*
Authors and License
===================
The ``pybtc`` package was initially written by `Aleksey Karpov <https://github.com/4tochka>`_ and development continues with contributors.
Recent contributors:
- `Aleksey Karpov <https://github.com/4tochka>`_
- `Aleksey Karybkin <https://github.com/mboxk3team>`_
It's *GPL-3.0* licensed and freely available.
Feel free to improve this package and send a pull request to GitHub_.
Table Of Contents
=================
.. toctree::
:name: mastertoc
:maxdepth: 2
installation.rst
examples.rst
classes.rst
functional.rst
contributing.rst

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@ -0,0 +1,39 @@
============
Installation
============
This part of the documentation covers the installation of pybtc library. The first step to using any software package is getting it properly installed.
Get from pip package
--------------------
To install pybtc, simply run this simple command in your terminal of choice:
.. code-block:: bash
$ pip install pybtc
If you dont have pip installed, this Python pip `installation guide <https://pip.pypa.io/en/stable/installing/>`_ can guide you through the process.
Get the Source Code
-------------------
You can clone the public repository:
.. code-block:: bash
$ git clone git://github.com/bitaps-com/pybtc
Once you have a copy of the source, you can embed it in your own Python package, or install it into your site-packages easily:
.. code-block:: bash
$ cd pybtc
$ python3 setup.py install

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@ -0,0 +1,11 @@
============
Transactions
============
The class for creating transaction.
.. autoclass:: pybtc.Transaction
:members:

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color: #DDD;
padding: 0 4px;
text-decoration: none;
}
a.headerlink:hover {
color: #444;
background: #EAEAEA;
}
div.body p, div.body dd, div.body li {
line-height: 1.4em;
}
div.admonition {
margin: 20px 0px;
padding: 10px 30px;
background-color: #EEE;
border: 1px solid #CCC;
}
div.admonition tt.xref, div.admonition code.xref, div.admonition a tt {
background-color: #FBFBFB;
border-bottom: 1px solid #fafafa;
}
div.admonition p.admonition-title {
font-family: sans-serif;
font-weight: normal;
font-size: 24px;
margin: 0 0 10px 0;
padding: 0;
line-height: 1;
}
div.admonition p.last {
margin-bottom: 0;
}
div.highlight {
background-color: #fff;
}
dt:target, .highlight {
background: #FAF3E8;
}
div.warning {
background-color: #FCC;
border: 1px solid #FAA;
}
div.danger {
background-color: #FCC;
border: 1px solid #FAA;
-moz-box-shadow: 2px 2px 4px #D52C2C;
-webkit-box-shadow: 2px 2px 4px #D52C2C;
box-shadow: 2px 2px 4px #D52C2C;
}
div.error {
background-color: #FCC;
border: 1px solid #FAA;
-moz-box-shadow: 2px 2px 4px #D52C2C;
-webkit-box-shadow: 2px 2px 4px #D52C2C;
box-shadow: 2px 2px 4px #D52C2C;
}
div.caution {
background-color: #FCC;
border: 1px solid #FAA;
}
div.attention {
background-color: #FCC;
border: 1px solid #FAA;
}
div.important {
background-color: #EEE;
border: 1px solid #CCC;
}
div.note {
background-color: #EEE;
border: 1px solid #CCC;
}
div.tip {
background-color: #EEE;
border: 1px solid #CCC;
}
div.hint {
background-color: #EEE;
border: 1px solid #CCC;
}
div.seealso {
background-color: #EEE;
border: 1px solid #CCC;
}
div.topic {
background-color: #EEE;
}
p.admonition-title {
display: inline;
}
p.admonition-title:after {
content: ":";
}
pre, tt, code {
font-family: 'Consolas', 'Menlo', 'Deja Vu Sans Mono', 'Bitstream Vera Sans Mono', monospace;
font-size: 0.9em;
}
.hll {
background-color: #FFC;
margin: 0 -12px;
padding: 0 12px;
display: block;
}
img.screenshot {
}
tt.descname, tt.descclassname, code.descname, code.descclassname {
font-size: 0.95em;
}
tt.descname, code.descname {
padding-right: 0.08em;
}
img.screenshot {
-moz-box-shadow: 2px 2px 4px #EEE;
-webkit-box-shadow: 2px 2px 4px #EEE;
box-shadow: 2px 2px 4px #EEE;
}
table.docutils {
border: 1px solid #888;
-moz-box-shadow: 2px 2px 4px #EEE;
-webkit-box-shadow: 2px 2px 4px #EEE;
box-shadow: 2px 2px 4px #EEE;
}
table.docutils td, table.docutils th {
border: 1px solid #888;
padding: 0.25em 0.7em;
}
table.field-list, table.footnote {
border: none;
-moz-box-shadow: none;
-webkit-box-shadow: none;
box-shadow: none;
}
table.footnote {
margin: 15px 0;
width: 100%;
border: 1px solid #EEE;
background: #FDFDFD;
font-size: 0.9em;
}
table.footnote + table.footnote {
margin-top: -15px;
border-top: none;
}
table.field-list th {
padding: 0 0.8em 0 0;
}
table.field-list td {
padding: 0;
}
table.field-list p {
margin-bottom: 0.8em;
}
/* Cloned from
* https://github.com/sphinx-doc/sphinx/commit/ef60dbfce09286b20b7385333d63a60321784e68
*/
.field-name {
-moz-hyphens: manual;
-ms-hyphens: manual;
-webkit-hyphens: manual;
hyphens: manual;
}
table.footnote td.label {
width: .1px;
padding: 0.3em 0 0.3em 0.5em;
}
table.footnote td {
padding: 0.3em 0.5em;
}
dl {
margin: 0;
padding: 0;
}
dl dd {
margin-left: 30px;
}
blockquote {
margin: 0 0 0 30px;
padding: 0;
}
ul, ol {
/* Matches the 30px from the narrow-screen "li > ul" selector below */
margin: 10px 0 10px 30px;
padding: 0;
}
pre {
background: #EEE;
padding: 7px 30px;
margin: 15px 0px;
line-height: 1.3em;
}
div.viewcode-block:target {
background: #ffd;
}
dl pre, blockquote pre, li pre {
margin-left: 0;
padding-left: 30px;
}
tt, code {
background-color: #ecf0f3;
color: #222;
/* padding: 1px 2px; */
}
tt.xref, code.xref, a tt {
background-color: #FBFBFB;
border-bottom: 1px solid #fff;
}
a.reference {
text-decoration: none;
border-bottom: 1px dotted #004B6B;
}
/* Don't put an underline on images */
a.image-reference, a.image-reference:hover {
border-bottom: none;
}
a.reference:hover {
border-bottom: 1px solid #6D4100;
}
a.footnote-reference {
text-decoration: none;
font-size: 0.7em;
vertical-align: top;
border-bottom: 1px dotted #004B6B;
}
a.footnote-reference:hover {
border-bottom: 1px solid #6D4100;
}
a:hover tt, a:hover code {
background: #EEE;
}
@media screen and (max-width: 870px) {
div.sphinxsidebar {
display: none;
}
div.document {
width: 100%;
}
div.documentwrapper {
margin-left: 0;
margin-top: 0;
margin-right: 0;
margin-bottom: 0;
}
div.bodywrapper {
margin-top: 0;
margin-right: 0;
margin-bottom: 0;
margin-left: 0;
}
ul {
margin-left: 0;
}
li > ul {
/* Matches the 30px from the "ul, ol" selector above */
margin-left: 30px;
}
.document {
width: auto;
}
.footer {
width: auto;
}
.bodywrapper {
margin: 0;
}
.footer {
width: auto;
}
.github {
display: none;
}
}
@media screen and (max-width: 875px) {
body {
margin: 0;
padding: 20px 30px;
}
div.documentwrapper {
float: none;
background: #fff;
}
div.sphinxsidebar {
display: block;
float: none;
width: 102.5%;
margin: 50px -30px -20px -30px;
padding: 10px 20px;
background: #333;
color: #FFF;
}
div.sphinxsidebar h3, div.sphinxsidebar h4, div.sphinxsidebar p,
div.sphinxsidebar h3 a {
color: #fff;
}
div.sphinxsidebar a {
color: #AAA;
}
div.sphinxsidebar p.logo {
display: none;
}
div.document {
width: 100%;
margin: 0;
}
div.footer {
display: none;
}
div.bodywrapper {
margin: 0;
}
div.body {
min-height: 0;
padding: 0;
}
.rtd_doc_footer {
display: none;
}
.document {
width: auto;
}
.footer {
width: auto;
}
.footer {
width: auto;
}
.github {
display: none;
}
}
/* misc. */
.revsys-inline {
display: none!important;
}
/* Make nested-list/multi-paragraph items look better in Releases changelog
* pages. Without this, docutils' magical list fuckery causes inconsistent
* formatting between different release sub-lists.
*/
div#changelog > div.section > ul > li > p:only-child {
margin-bottom: 0;
}
/* Hide fugly table cell borders in ..bibliography:: directive output */
table.docutils.citation, table.docutils.citation td, table.docutils.citation th {
border: none;
/* Below needed in some edge cases; if not applied, bottom shadows appear */
-moz-box-shadow: none;
-webkit-box-shadow: none;
box-shadow: none;
}
/* relbar */
.related {
line-height: 30px;
width: 100%;
font-size: 0.9rem;
}
.related.top {
border-bottom: 1px solid #EEE;
margin-bottom: 20px;
}
.related.bottom {
border-top: 1px solid #EEE;
}
.related ul {
padding: 0;
margin: 0;
list-style: none;
}
.related li {
display: inline;
}
nav#rellinks {
float: right;
}
nav#rellinks li+li:before {
content: "|";
}
nav#breadcrumbs li+li:before {
content: "\00BB";
}
/* Hide certain items when printing */
@media print {
div.related {
display: none;
}
}

665
docs/build/html/_static/basic.css vendored Normal file
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@ -0,0 +1,665 @@
/*
* basic.css
* ~~~~~~~~~
*
* Sphinx stylesheet -- basic theme.
*
* :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
* :license: BSD, see LICENSE for details.
*
*/
/* -- main layout ----------------------------------------------------------- */
div.clearer {
clear: both;
}
/* -- relbar ---------------------------------------------------------------- */
div.related {
width: 100%;
font-size: 90%;
}
div.related h3 {
display: none;
}
div.related ul {
margin: 0;
padding: 0 0 0 10px;
list-style: none;
}
div.related li {
display: inline;
}
div.related li.right {
float: right;
margin-right: 5px;
}
/* -- sidebar --------------------------------------------------------------- */
div.sphinxsidebarwrapper {
padding: 10px 5px 0 10px;
}
div.sphinxsidebar {
float: left;
width: 230px;
margin-left: -100%;
font-size: 90%;
word-wrap: break-word;
overflow-wrap : break-word;
}
div.sphinxsidebar ul {
list-style: none;
}
div.sphinxsidebar ul ul,
div.sphinxsidebar ul.want-points {
margin-left: 20px;
list-style: square;
}
div.sphinxsidebar ul ul {
margin-top: 0;
margin-bottom: 0;
}
div.sphinxsidebar form {
margin-top: 10px;
}
div.sphinxsidebar input {
border: 1px solid #98dbcc;
font-family: sans-serif;
font-size: 1em;
}
div.sphinxsidebar #searchbox input[type="text"] {
float: left;
width: 80%;
padding: 0.25em;
box-sizing: border-box;
}
div.sphinxsidebar #searchbox input[type="submit"] {
float: left;
width: 20%;
border-left: none;
padding: 0.25em;
box-sizing: border-box;
}
img {
border: 0;
max-width: 100%;
}
/* -- search page ----------------------------------------------------------- */
ul.search {
margin: 10px 0 0 20px;
padding: 0;
}
ul.search li {
padding: 5px 0 5px 20px;
background-image: url(file.png);
background-repeat: no-repeat;
background-position: 0 7px;
}
ul.search li a {
font-weight: bold;
}
ul.search li div.context {
color: #888;
margin: 2px 0 0 30px;
text-align: left;
}
ul.keywordmatches li.goodmatch a {
font-weight: bold;
}
/* -- index page ------------------------------------------------------------ */
table.contentstable {
width: 90%;
margin-left: auto;
margin-right: auto;
}
table.contentstable p.biglink {
line-height: 150%;
}
a.biglink {
font-size: 1.3em;
}
span.linkdescr {
font-style: italic;
padding-top: 5px;
font-size: 90%;
}
/* -- general index --------------------------------------------------------- */
table.indextable {
width: 100%;
}
table.indextable td {
text-align: left;
vertical-align: top;
}
table.indextable ul {
margin-top: 0;
margin-bottom: 0;
list-style-type: none;
}
table.indextable > tbody > tr > td > ul {
padding-left: 0em;
}
table.indextable tr.pcap {
height: 10px;
}
table.indextable tr.cap {
margin-top: 10px;
background-color: #f2f2f2;
}
img.toggler {
margin-right: 3px;
margin-top: 3px;
cursor: pointer;
}
div.modindex-jumpbox {
border-top: 1px solid #ddd;
border-bottom: 1px solid #ddd;
margin: 1em 0 1em 0;
padding: 0.4em;
}
div.genindex-jumpbox {
border-top: 1px solid #ddd;
border-bottom: 1px solid #ddd;
margin: 1em 0 1em 0;
padding: 0.4em;
}
/* -- domain module index --------------------------------------------------- */
table.modindextable td {
padding: 2px;
border-collapse: collapse;
}
/* -- general body styles --------------------------------------------------- */
div.body {
min-width: 450px;
max-width: 800px;
}
div.body p, div.body dd, div.body li, div.body blockquote {
-moz-hyphens: auto;
-ms-hyphens: auto;
-webkit-hyphens: auto;
hyphens: auto;
}
a.headerlink {
visibility: hidden;
}
h1:hover > a.headerlink,
h2:hover > a.headerlink,
h3:hover > a.headerlink,
h4:hover > a.headerlink,
h5:hover > a.headerlink,
h6:hover > a.headerlink,
dt:hover > a.headerlink,
caption:hover > a.headerlink,
p.caption:hover > a.headerlink,
div.code-block-caption:hover > a.headerlink {
visibility: visible;
}
div.body p.caption {
text-align: inherit;
}
div.body td {
text-align: left;
}
.first {
margin-top: 0 !important;
}
p.rubric {
margin-top: 30px;
font-weight: bold;
}
img.align-left, .figure.align-left, object.align-left {
clear: left;
float: left;
margin-right: 1em;
}
img.align-right, .figure.align-right, object.align-right {
clear: right;
float: right;
margin-left: 1em;
}
img.align-center, .figure.align-center, object.align-center {
display: block;
margin-left: auto;
margin-right: auto;
}
.align-left {
text-align: left;
}
.align-center {
text-align: center;
}
.align-right {
text-align: right;
}
/* -- sidebars -------------------------------------------------------------- */
div.sidebar {
margin: 0 0 0.5em 1em;
border: 1px solid #ddb;
padding: 7px 7px 0 7px;
background-color: #ffe;
width: 40%;
float: right;
}
p.sidebar-title {
font-weight: bold;
}
/* -- topics ---------------------------------------------------------------- */
div.topic {
border: 1px solid #ccc;
padding: 7px 7px 0 7px;
margin: 10px 0 10px 0;
}
p.topic-title {
font-size: 1.1em;
font-weight: bold;
margin-top: 10px;
}
/* -- admonitions ----------------------------------------------------------- */
div.admonition {
margin-top: 10px;
margin-bottom: 10px;
padding: 7px;
}
div.admonition dt {
font-weight: bold;
}
div.admonition dl {
margin-bottom: 0;
}
p.admonition-title {
margin: 0px 10px 5px 0px;
font-weight: bold;
}
div.body p.centered {
text-align: center;
margin-top: 25px;
}
/* -- tables ---------------------------------------------------------------- */
table.docutils {
border: 0;
border-collapse: collapse;
}
table.align-center {
margin-left: auto;
margin-right: auto;
}
table caption span.caption-number {
font-style: italic;
}
table caption span.caption-text {
}
table.docutils td, table.docutils th {
padding: 1px 8px 1px 5px;
border-top: 0;
border-left: 0;
border-right: 0;
border-bottom: 1px solid #aaa;
}
table.footnote td, table.footnote th {
border: 0 !important;
}
th {
text-align: left;
padding-right: 5px;
}
table.citation {
border-left: solid 1px gray;
margin-left: 1px;
}
table.citation td {
border-bottom: none;
}
/* -- figures --------------------------------------------------------------- */
div.figure {
margin: 0.5em;
padding: 0.5em;
}
div.figure p.caption {
padding: 0.3em;
}
div.figure p.caption span.caption-number {
font-style: italic;
}
div.figure p.caption span.caption-text {
}
/* -- field list styles ----------------------------------------------------- */
table.field-list td, table.field-list th {
border: 0 !important;
}
.field-list ul {
margin: 0;
padding-left: 1em;
}
.field-list p {
margin: 0;
}
.field-name {
-moz-hyphens: manual;
-ms-hyphens: manual;
-webkit-hyphens: manual;
hyphens: manual;
}
/* -- other body styles ----------------------------------------------------- */
ol.arabic {
list-style: decimal;
}
ol.loweralpha {
list-style: lower-alpha;
}
ol.upperalpha {
list-style: upper-alpha;
}
ol.lowerroman {
list-style: lower-roman;
}
ol.upperroman {
list-style: upper-roman;
}
dl {
margin-bottom: 15px;
}
dd p {
margin-top: 0px;
}
dd ul, dd table {
margin-bottom: 10px;
}
dd {
margin-top: 3px;
margin-bottom: 10px;
margin-left: 30px;
}
dt:target, span.highlighted {
background-color: #fbe54e;
}
rect.highlighted {
fill: #fbe54e;
}
dl.glossary dt {
font-weight: bold;
font-size: 1.1em;
}
.optional {
font-size: 1.3em;
}
.sig-paren {
font-size: larger;
}
.versionmodified {
font-style: italic;
}
.system-message {
background-color: #fda;
padding: 5px;
border: 3px solid red;
}
.footnote:target {
background-color: #ffa;
}
.line-block {
display: block;
margin-top: 1em;
margin-bottom: 1em;
}
.line-block .line-block {
margin-top: 0;
margin-bottom: 0;
margin-left: 1.5em;
}
.guilabel, .menuselection {
font-family: sans-serif;
}
.accelerator {
text-decoration: underline;
}
.classifier {
font-style: oblique;
}
abbr, acronym {
border-bottom: dotted 1px;
cursor: help;
}
/* -- code displays --------------------------------------------------------- */
pre {
overflow: auto;
overflow-y: hidden; /* fixes display issues on Chrome browsers */
}
span.pre {
-moz-hyphens: none;
-ms-hyphens: none;
-webkit-hyphens: none;
hyphens: none;
}
td.linenos pre {
padding: 5px 0px;
border: 0;
background-color: transparent;
color: #aaa;
}
table.highlighttable {
margin-left: 0.5em;
}
table.highlighttable td {
padding: 0 0.5em 0 0.5em;
}
div.code-block-caption {
padding: 2px 5px;
font-size: small;
}
div.code-block-caption code {
background-color: transparent;
}
div.code-block-caption + div > div.highlight > pre {
margin-top: 0;
}
div.code-block-caption span.caption-number {
padding: 0.1em 0.3em;
font-style: italic;
}
div.code-block-caption span.caption-text {
}
div.literal-block-wrapper {
padding: 1em 1em 0;
}
div.literal-block-wrapper div.highlight {
margin: 0;
}
code.descname {
background-color: transparent;
font-weight: bold;
font-size: 1.2em;
}
code.descclassname {
background-color: transparent;
}
code.xref, a code {
background-color: transparent;
font-weight: bold;
}
h1 code, h2 code, h3 code, h4 code, h5 code, h6 code {
background-color: transparent;
}
.viewcode-link {
float: right;
}
.viewcode-back {
float: right;
font-family: sans-serif;
}
div.viewcode-block:target {
margin: -1px -10px;
padding: 0 10px;
}
/* -- math display ---------------------------------------------------------- */
img.math {
vertical-align: middle;
}
div.body div.math p {
text-align: center;
}
span.eqno {
float: right;
}
span.eqno a.headerlink {
position: relative;
left: 0px;
z-index: 1;
}
div.math:hover a.headerlink {
visibility: visible;
}
/* -- printout stylesheet --------------------------------------------------- */
@media print {
div.document,
div.documentwrapper,
div.bodywrapper {
margin: 0 !important;
width: 100%;
}
div.sphinxsidebar,
div.related,
div.footer,
#top-link {
display: none;
}
}

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/* This file intentionally left blank. */

313
docs/build/html/_static/doctools.js vendored Normal file
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/*
* doctools.js
* ~~~~~~~~~~~
*
* Sphinx JavaScript utilities for all documentation.
*
* :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
* :license: BSD, see LICENSE for details.
*
*/
/**
* select a different prefix for underscore
*/
$u = _.noConflict();
/**
* make the code below compatible with browsers without
* an installed firebug like debugger
if (!window.console || !console.firebug) {
var names = ["log", "debug", "info", "warn", "error", "assert", "dir",
"dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace",
"profile", "profileEnd"];
window.console = {};
for (var i = 0; i < names.length; ++i)
window.console[names[i]] = function() {};
}
*/
/**
* small helper function to urldecode strings
*/
jQuery.urldecode = function(x) {
return decodeURIComponent(x).replace(/\+/g, ' ');
};
/**
* small helper function to urlencode strings
*/
jQuery.urlencode = encodeURIComponent;
/**
* This function returns the parsed url parameters of the
* current request. Multiple values per key are supported,
* it will always return arrays of strings for the value parts.
*/
jQuery.getQueryParameters = function(s) {
if (typeof s === 'undefined')
s = document.location.search;
var parts = s.substr(s.indexOf('?') + 1).split('&');
var result = {};
for (var i = 0; i < parts.length; i++) {
var tmp = parts[i].split('=', 2);
var key = jQuery.urldecode(tmp[0]);
var value = jQuery.urldecode(tmp[1]);
if (key in result)
result[key].push(value);
else
result[key] = [value];
}
return result;
};
/**
* highlight a given string on a jquery object by wrapping it in
* span elements with the given class name.
*/
jQuery.fn.highlightText = function(text, className) {
function highlight(node, addItems) {
if (node.nodeType === 3) {
var val = node.nodeValue;
var pos = val.toLowerCase().indexOf(text);
if (pos >= 0 &&
!jQuery(node.parentNode).hasClass(className) &&
!jQuery(node.parentNode).hasClass("nohighlight")) {
var span;
var isInSVG = jQuery(node).closest("body, svg, foreignObject").is("svg");
if (isInSVG) {
span = document.createElementNS("http://www.w3.org/2000/svg", "tspan");
} else {
span = document.createElement("span");
span.className = className;
}
span.appendChild(document.createTextNode(val.substr(pos, text.length)));
node.parentNode.insertBefore(span, node.parentNode.insertBefore(
document.createTextNode(val.substr(pos + text.length)),
node.nextSibling));
node.nodeValue = val.substr(0, pos);
if (isInSVG) {
var bbox = span.getBBox();
var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
rect.x.baseVal.value = bbox.x;
rect.y.baseVal.value = bbox.y;
rect.width.baseVal.value = bbox.width;
rect.height.baseVal.value = bbox.height;
rect.setAttribute('class', className);
var parentOfText = node.parentNode.parentNode;
addItems.push({
"parent": node.parentNode,
"target": rect});
}
}
}
else if (!jQuery(node).is("button, select, textarea")) {
jQuery.each(node.childNodes, function() {
highlight(this, addItems);
});
}
}
var addItems = [];
var result = this.each(function() {
highlight(this, addItems);
});
for (var i = 0; i < addItems.length; ++i) {
jQuery(addItems[i].parent).before(addItems[i].target);
}
return result;
};
/*
* backward compatibility for jQuery.browser
* This will be supported until firefox bug is fixed.
*/
if (!jQuery.browser) {
jQuery.uaMatch = function(ua) {
ua = ua.toLowerCase();
var match = /(chrome)[ \/]([\w.]+)/.exec(ua) ||
/(webkit)[ \/]([\w.]+)/.exec(ua) ||
/(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) ||
/(msie) ([\w.]+)/.exec(ua) ||
ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) ||
[];
return {
browser: match[ 1 ] || "",
version: match[ 2 ] || "0"
};
};
jQuery.browser = {};
jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true;
}
/**
* Small JavaScript module for the documentation.
*/
var Documentation = {
init : function() {
this.fixFirefoxAnchorBug();
this.highlightSearchWords();
this.initIndexTable();
},
/**
* i18n support
*/
TRANSLATIONS : {},
PLURAL_EXPR : function(n) { return n === 1 ? 0 : 1; },
LOCALE : 'unknown',
// gettext and ngettext don't access this so that the functions
// can safely bound to a different name (_ = Documentation.gettext)
gettext : function(string) {
var translated = Documentation.TRANSLATIONS[string];
if (typeof translated === 'undefined')
return string;
return (typeof translated === 'string') ? translated : translated[0];
},
ngettext : function(singular, plural, n) {
var translated = Documentation.TRANSLATIONS[singular];
if (typeof translated === 'undefined')
return (n == 1) ? singular : plural;
return translated[Documentation.PLURALEXPR(n)];
},
addTranslations : function(catalog) {
for (var key in catalog.messages)
this.TRANSLATIONS[key] = catalog.messages[key];
this.PLURAL_EXPR = new Function('n', 'return +(' + catalog.plural_expr + ')');
this.LOCALE = catalog.locale;
},
/**
* add context elements like header anchor links
*/
addContextElements : function() {
$('div[id] > :header:first').each(function() {
$('<a class="headerlink">\u00B6</a>').
attr('href', '#' + this.id).
attr('title', _('Permalink to this headline')).
appendTo(this);
});
$('dt[id]').each(function() {
$('<a class="headerlink">\u00B6</a>').
attr('href', '#' + this.id).
attr('title', _('Permalink to this definition')).
appendTo(this);
});
},
/**
* workaround a firefox stupidity
* see: https://bugzilla.mozilla.org/show_bug.cgi?id=645075
*/
fixFirefoxAnchorBug : function() {
if (document.location.hash && $.browser.mozilla)
window.setTimeout(function() {
document.location.href += '';
}, 10);
},
/**
* highlight the search words provided in the url in the text
*/
highlightSearchWords : function() {
var params = $.getQueryParameters();
var terms = (params.highlight) ? params.highlight[0].split(/\s+/) : [];
if (terms.length) {
var body = $('div.body');
if (!body.length) {
body = $('body');
}
window.setTimeout(function() {
$.each(terms, function() {
body.highlightText(this.toLowerCase(), 'highlighted');
});
}, 10);
$('<p class="highlight-link"><a href="javascript:Documentation.' +
'hideSearchWords()">' + _('Hide Search Matches') + '</a></p>')
.appendTo($('#searchbox'));
}
},
/**
* init the domain index toggle buttons
*/
initIndexTable : function() {
var togglers = $('img.toggler').click(function() {
var src = $(this).attr('src');
var idnum = $(this).attr('id').substr(7);
$('tr.cg-' + idnum).toggle();
if (src.substr(-9) === 'minus.png')
$(this).attr('src', src.substr(0, src.length-9) + 'plus.png');
else
$(this).attr('src', src.substr(0, src.length-8) + 'minus.png');
}).css('display', '');
if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) {
togglers.click();
}
},
/**
* helper function to hide the search marks again
*/
hideSearchWords : function() {
$('#searchbox .highlight-link').fadeOut(300);
$('span.highlighted').removeClass('highlighted');
},
/**
* make the url absolute
*/
makeURL : function(relativeURL) {
return DOCUMENTATION_OPTIONS.URL_ROOT + '/' + relativeURL;
},
/**
* get the current relative url
*/
getCurrentURL : function() {
var path = document.location.pathname;
var parts = path.split(/\//);
$.each(DOCUMENTATION_OPTIONS.URL_ROOT.split(/\//), function() {
if (this === '..')
parts.pop();
});
var url = parts.join('/');
return path.substring(url.lastIndexOf('/') + 1, path.length - 1);
},
initOnKeyListeners: function() {
$(document).keyup(function(event) {
var activeElementType = document.activeElement.tagName;
// don't navigate when in search box or textarea
if (activeElementType !== 'TEXTAREA' && activeElementType !== 'INPUT' && activeElementType !== 'SELECT') {
switch (event.keyCode) {
case 37: // left
var prevHref = $('link[rel="prev"]').prop('href');
if (prevHref) {
window.location.href = prevHref;
return false;
}
case 39: // right
var nextHref = $('link[rel="next"]').prop('href');
if (nextHref) {
window.location.href = nextHref;
return false;
}
}
}
});
}
};
// quick alias for translations
_ = Documentation.gettext;
$(document).ready(function() {
Documentation.init();
});

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var DOCUMENTATION_OPTIONS = {
URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
VERSION: '',
LANGUAGE: 'None',
COLLAPSE_INDEX: false,
FILE_SUFFIX: '.html',
HAS_SOURCE: true,
SOURCELINK_SUFFIX: '.txt'
};

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.highlight .hll { background-color: #ffffcc }
.highlight { background: #eeffcc; }
.highlight .c { color: #408090; font-style: italic } /* Comment */
.highlight .err { border: 1px solid #FF0000 } /* Error */
.highlight .k { color: #007020; font-weight: bold } /* Keyword */
.highlight .o { color: #666666 } /* Operator */
.highlight .ch { color: #408090; font-style: italic } /* Comment.Hashbang */
.highlight .cm { color: #408090; font-style: italic } /* Comment.Multiline */
.highlight .cp { color: #007020 } /* Comment.Preproc */
.highlight .cpf { color: #408090; font-style: italic } /* Comment.PreprocFile */
.highlight .c1 { color: #408090; font-style: italic } /* Comment.Single */
.highlight .cs { color: #408090; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #A00000 } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #FF0000 } /* Generic.Error */
.highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
.highlight .gi { color: #00A000 } /* Generic.Inserted */
.highlight .go { color: #333333 } /* Generic.Output */
.highlight .gp { color: #c65d09; font-weight: bold } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
.highlight .gt { color: #0044DD } /* Generic.Traceback */
.highlight .kc { color: #007020; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #007020; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #007020; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #007020 } /* Keyword.Pseudo */
.highlight .kr { color: #007020; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #902000 } /* Keyword.Type */
.highlight .m { color: #208050 } /* Literal.Number */
.highlight .s { color: #4070a0 } /* Literal.String */
.highlight .na { color: #4070a0 } /* Name.Attribute */
.highlight .nb { color: #007020 } /* Name.Builtin */
.highlight .nc { color: #0e84b5; font-weight: bold } /* Name.Class */
.highlight .no { color: #60add5 } /* Name.Constant */
.highlight .nd { color: #555555; font-weight: bold } /* Name.Decorator */
.highlight .ni { color: #d55537; font-weight: bold } /* Name.Entity */
.highlight .ne { color: #007020 } /* Name.Exception */
.highlight .nf { color: #06287e } /* Name.Function */
.highlight .nl { color: #002070; font-weight: bold } /* Name.Label */
.highlight .nn { color: #0e84b5; font-weight: bold } /* Name.Namespace */
.highlight .nt { color: #062873; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #bb60d5 } /* Name.Variable */
.highlight .ow { color: #007020; font-weight: bold } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #208050 } /* Literal.Number.Bin */
.highlight .mf { color: #208050 } /* Literal.Number.Float */
.highlight .mh { color: #208050 } /* Literal.Number.Hex */
.highlight .mi { color: #208050 } /* Literal.Number.Integer */
.highlight .mo { color: #208050 } /* Literal.Number.Oct */
.highlight .sa { color: #4070a0 } /* Literal.String.Affix */
.highlight .sb { color: #4070a0 } /* Literal.String.Backtick */
.highlight .sc { color: #4070a0 } /* Literal.String.Char */
.highlight .dl { color: #4070a0 } /* Literal.String.Delimiter */
.highlight .sd { color: #4070a0; font-style: italic } /* Literal.String.Doc */
.highlight .s2 { color: #4070a0 } /* Literal.String.Double */
.highlight .se { color: #4070a0; font-weight: bold } /* Literal.String.Escape */
.highlight .sh { color: #4070a0 } /* Literal.String.Heredoc */
.highlight .si { color: #70a0d0; font-style: italic } /* Literal.String.Interpol */
.highlight .sx { color: #c65d09 } /* Literal.String.Other */
.highlight .sr { color: #235388 } /* Literal.String.Regex */
.highlight .s1 { color: #4070a0 } /* Literal.String.Single */
.highlight .ss { color: #517918 } /* Literal.String.Symbol */
.highlight .bp { color: #007020 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #06287e } /* Name.Function.Magic */
.highlight .vc { color: #bb60d5 } /* Name.Variable.Class */
.highlight .vg { color: #bb60d5 } /* Name.Variable.Global */
.highlight .vi { color: #bb60d5 } /* Name.Variable.Instance */
.highlight .vm { color: #bb60d5 } /* Name.Variable.Magic */
.highlight .il { color: #208050 } /* Literal.Number.Integer.Long */

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/*
* searchtools.js_t
* ~~~~~~~~~~~~~~~~
*
* Sphinx JavaScript utilities for the full-text search.
*
* :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
* :license: BSD, see LICENSE for details.
*
*/
/* Non-minified version JS is _stemmer.js if file is provided */
/**
* Porter Stemmer
*/
var Stemmer = function() {
var step2list = {
ational: 'ate',
tional: 'tion',
enci: 'ence',
anci: 'ance',
izer: 'ize',
bli: 'ble',
alli: 'al',
entli: 'ent',
eli: 'e',
ousli: 'ous',
ization: 'ize',
ation: 'ate',
ator: 'ate',
alism: 'al',
iveness: 'ive',
fulness: 'ful',
ousness: 'ous',
aliti: 'al',
iviti: 'ive',
biliti: 'ble',
logi: 'log'
};
var step3list = {
icate: 'ic',
ative: '',
alize: 'al',
iciti: 'ic',
ical: 'ic',
ful: '',
ness: ''
};
var c = "[^aeiou]"; // consonant
var v = "[aeiouy]"; // vowel
var C = c + "[^aeiouy]*"; // consonant sequence
var V = v + "[aeiou]*"; // vowel sequence
var mgr0 = "^(" + C + ")?" + V + C; // [C]VC... is m>0
var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$"; // [C]VC[V] is m=1
var mgr1 = "^(" + C + ")?" + V + C + V + C; // [C]VCVC... is m>1
var s_v = "^(" + C + ")?" + v; // vowel in stem
this.stemWord = function (w) {
var stem;
var suffix;
var firstch;
var origword = w;
if (w.length < 3)
return w;
var re;
var re2;
var re3;
var re4;
firstch = w.substr(0,1);
if (firstch == "y")
w = firstch.toUpperCase() + w.substr(1);
// Step 1a
re = /^(.+?)(ss|i)es$/;
re2 = /^(.+?)([^s])s$/;
if (re.test(w))
w = w.replace(re,"$1$2");
else if (re2.test(w))
w = w.replace(re2,"$1$2");
// Step 1b
re = /^(.+?)eed$/;
re2 = /^(.+?)(ed|ing)$/;
if (re.test(w)) {
var fp = re.exec(w);
re = new RegExp(mgr0);
if (re.test(fp[1])) {
re = /.$/;
w = w.replace(re,"");
}
}
else if (re2.test(w)) {
var fp = re2.exec(w);
stem = fp[1];
re2 = new RegExp(s_v);
if (re2.test(stem)) {
w = stem;
re2 = /(at|bl|iz)$/;
re3 = new RegExp("([^aeiouylsz])\\1$");
re4 = new RegExp("^" + C + v + "[^aeiouwxy]$");
if (re2.test(w))
w = w + "e";
else if (re3.test(w)) {
re = /.$/;
w = w.replace(re,"");
}
else if (re4.test(w))
w = w + "e";
}
}
// Step 1c
re = /^(.+?)y$/;
if (re.test(w)) {
var fp = re.exec(w);
stem = fp[1];
re = new RegExp(s_v);
if (re.test(stem))
w = stem + "i";
}
// Step 2
re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
if (re.test(w)) {
var fp = re.exec(w);
stem = fp[1];
suffix = fp[2];
re = new RegExp(mgr0);
if (re.test(stem))
w = stem + step2list[suffix];
}
// Step 3
re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
if (re.test(w)) {
var fp = re.exec(w);
stem = fp[1];
suffix = fp[2];
re = new RegExp(mgr0);
if (re.test(stem))
w = stem + step3list[suffix];
}
// Step 4
re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
re2 = /^(.+?)(s|t)(ion)$/;
if (re.test(w)) {
var fp = re.exec(w);
stem = fp[1];
re = new RegExp(mgr1);
if (re.test(stem))
w = stem;
}
else if (re2.test(w)) {
var fp = re2.exec(w);
stem = fp[1] + fp[2];
re2 = new RegExp(mgr1);
if (re2.test(stem))
w = stem;
}
// Step 5
re = /^(.+?)e$/;
if (re.test(w)) {
var fp = re.exec(w);
stem = fp[1];
re = new RegExp(mgr1);
re2 = new RegExp(meq1);
re3 = new RegExp("^" + C + v + "[^aeiouwxy]$");
if (re.test(stem) || (re2.test(stem) && !(re3.test(stem))))
w = stem;
}
re = /ll$/;
re2 = new RegExp(mgr1);
if (re.test(w) && re2.test(w)) {
re = /.$/;
w = w.replace(re,"");
}
// and turn initial Y back to y
if (firstch == "y")
w = firstch.toLowerCase() + w.substr(1);
return w;
}
}
/**
* Simple result scoring code.
*/
var Scorer = {
// Implement the following function to further tweak the score for each result
// The function takes a result array [filename, title, anchor, descr, score]
// and returns the new score.
/*
score: function(result) {
return result[4];
},
*/
// query matches the full name of an object
objNameMatch: 11,
// or matches in the last dotted part of the object name
objPartialMatch: 6,
// Additive scores depending on the priority of the object
objPrio: {0: 15, // used to be importantResults
1: 5, // used to be objectResults
2: -5}, // used to be unimportantResults
// Used when the priority is not in the mapping.
objPrioDefault: 0,
// query found in title
title: 15,
// query found in terms
term: 5
};
var splitChars = (function() {
var result = {};
var singles = [96, 180, 187, 191, 215, 247, 749, 885, 903, 907, 909, 930, 1014, 1648,
1748, 1809, 2416, 2473, 2481, 2526, 2601, 2609, 2612, 2615, 2653, 2702,
2706, 2729, 2737, 2740, 2857, 2865, 2868, 2910, 2928, 2948, 2961, 2971,
2973, 3085, 3089, 3113, 3124, 3213, 3217, 3241, 3252, 3295, 3341, 3345,
3369, 3506, 3516, 3633, 3715, 3721, 3736, 3744, 3748, 3750, 3756, 3761,
3781, 3912, 4239, 4347, 4681, 4695, 4697, 4745, 4785, 4799, 4801, 4823,
4881, 5760, 5901, 5997, 6313, 7405, 8024, 8026, 8028, 8030, 8117, 8125,
8133, 8181, 8468, 8485, 8487, 8489, 8494, 8527, 11311, 11359, 11687, 11695,
11703, 11711, 11719, 11727, 11735, 12448, 12539, 43010, 43014, 43019, 43587,
43696, 43713, 64286, 64297, 64311, 64317, 64319, 64322, 64325, 65141];
var i, j, start, end;
for (i = 0; i < singles.length; i++) {
result[singles[i]] = true;
}
var ranges = [[0, 47], [58, 64], [91, 94], [123, 169], [171, 177], [182, 184], [706, 709],
[722, 735], [741, 747], [751, 879], [888, 889], [894, 901], [1154, 1161],
[1318, 1328], [1367, 1368], [1370, 1376], [1416, 1487], [1515, 1519], [1523, 1568],
[1611, 1631], [1642, 1645], [1750, 1764], [1767, 1773], [1789, 1790], [1792, 1807],
[1840, 1868], [1958, 1968], [1970, 1983], [2027, 2035], [2038, 2041], [2043, 2047],
[2070, 2073], [2075, 2083], [2085, 2087], [2089, 2307], [2362, 2364], [2366, 2383],
[2385, 2391], [2402, 2405], [2419, 2424], [2432, 2436], [2445, 2446], [2449, 2450],
[2483, 2485], [2490, 2492], [2494, 2509], [2511, 2523], [2530, 2533], [2546, 2547],
[2554, 2564], [2571, 2574], [2577, 2578], [2618, 2648], [2655, 2661], [2672, 2673],
[2677, 2692], [2746, 2748], [2750, 2767], [2769, 2783], [2786, 2789], [2800, 2820],
[2829, 2830], [2833, 2834], [2874, 2876], [2878, 2907], [2914, 2917], [2930, 2946],
[2955, 2957], [2966, 2968], [2976, 2978], [2981, 2983], [2987, 2989], [3002, 3023],
[3025, 3045], [3059, 3076], [3130, 3132], [3134, 3159], [3162, 3167], [3170, 3173],
[3184, 3191], [3199, 3204], [3258, 3260], [3262, 3293], [3298, 3301], [3312, 3332],
[3386, 3388], [3390, 3423], [3426, 3429], [3446, 3449], [3456, 3460], [3479, 3481],
[3518, 3519], [3527, 3584], [3636, 3647], [3655, 3663], [3674, 3712], [3717, 3718],
[3723, 3724], [3726, 3731], [3752, 3753], [3764, 3772], [3774, 3775], [3783, 3791],
[3802, 3803], [3806, 3839], [3841, 3871], [3892, 3903], [3949, 3975], [3980, 4095],
[4139, 4158], [4170, 4175], [4182, 4185], [4190, 4192], [4194, 4196], [4199, 4205],
[4209, 4212], [4226, 4237], [4250, 4255], [4294, 4303], [4349, 4351], [4686, 4687],
[4702, 4703], [4750, 4751], [4790, 4791], [4806, 4807], [4886, 4887], [4955, 4968],
[4989, 4991], [5008, 5023], [5109, 5120], [5741, 5742], [5787, 5791], [5867, 5869],
[5873, 5887], [5906, 5919], [5938, 5951], [5970, 5983], [6001, 6015], [6068, 6102],
[6104, 6107], [6109, 6111], [6122, 6127], [6138, 6159], [6170, 6175], [6264, 6271],
[6315, 6319], [6390, 6399], [6429, 6469], [6510, 6511], [6517, 6527], [6572, 6592],
[6600, 6607], [6619, 6655], [6679, 6687], [6741, 6783], [6794, 6799], [6810, 6822],
[6824, 6916], [6964, 6980], [6988, 6991], [7002, 7042], [7073, 7085], [7098, 7167],
[7204, 7231], [7242, 7244], [7294, 7400], [7410, 7423], [7616, 7679], [7958, 7959],
[7966, 7967], [8006, 8007], [8014, 8015], [8062, 8063], [8127, 8129], [8141, 8143],
[8148, 8149], [8156, 8159], [8173, 8177], [8189, 8303], [8306, 8307], [8314, 8318],
[8330, 8335], [8341, 8449], [8451, 8454], [8456, 8457], [8470, 8472], [8478, 8483],
[8506, 8507], [8512, 8516], [8522, 8525], [8586, 9311], [9372, 9449], [9472, 10101],
[10132, 11263], [11493, 11498], [11503, 11516], [11518, 11519], [11558, 11567],
[11622, 11630], [11632, 11647], [11671, 11679], [11743, 11822], [11824, 12292],
[12296, 12320], [12330, 12336], [12342, 12343], [12349, 12352], [12439, 12444],
[12544, 12548], [12590, 12592], [12687, 12689], [12694, 12703], [12728, 12783],
[12800, 12831], [12842, 12880], [12896, 12927], [12938, 12976], [12992, 13311],
[19894, 19967], [40908, 40959], [42125, 42191], [42238, 42239], [42509, 42511],
[42540, 42559], [42592, 42593], [42607, 42622], [42648, 42655], [42736, 42774],
[42784, 42785], [42889, 42890], [42893, 43002], [43043, 43055], [43062, 43071],
[43124, 43137], [43188, 43215], [43226, 43249], [43256, 43258], [43260, 43263],
[43302, 43311], [43335, 43359], [43389, 43395], [43443, 43470], [43482, 43519],
[43561, 43583], [43596, 43599], [43610, 43615], [43639, 43641], [43643, 43647],
[43698, 43700], [43703, 43704], [43710, 43711], [43715, 43738], [43742, 43967],
[44003, 44015], [44026, 44031], [55204, 55215], [55239, 55242], [55292, 55295],
[57344, 63743], [64046, 64047], [64110, 64111], [64218, 64255], [64263, 64274],
[64280, 64284], [64434, 64466], [64830, 64847], [64912, 64913], [64968, 65007],
[65020, 65135], [65277, 65295], [65306, 65312], [65339, 65344], [65371, 65381],
[65471, 65473], [65480, 65481], [65488, 65489], [65496, 65497]];
for (i = 0; i < ranges.length; i++) {
start = ranges[i][0];
end = ranges[i][1];
for (j = start; j <= end; j++) {
result[j] = true;
}
}
return result;
})();
function splitQuery(query) {
var result = [];
var start = -1;
for (var i = 0; i < query.length; i++) {
if (splitChars[query.charCodeAt(i)]) {
if (start !== -1) {
result.push(query.slice(start, i));
start = -1;
}
} else if (start === -1) {
start = i;
}
}
if (start !== -1) {
result.push(query.slice(start));
}
return result;
}
/**
* Search Module
*/
var Search = {
_index : null,
_queued_query : null,
_pulse_status : -1,
init : function() {
var params = $.getQueryParameters();
if (params.q) {
var query = params.q[0];
$('input[name="q"]')[0].value = query;
this.performSearch(query);
}
},
loadIndex : function(url) {
$.ajax({type: "GET", url: url, data: null,
dataType: "script", cache: true,
complete: function(jqxhr, textstatus) {
if (textstatus != "success") {
document.getElementById("searchindexloader").src = url;
}
}});
},
setIndex : function(index) {
var q;
this._index = index;
if ((q = this._queued_query) !== null) {
this._queued_query = null;
Search.query(q);
}
},
hasIndex : function() {
return this._index !== null;
},
deferQuery : function(query) {
this._queued_query = query;
},
stopPulse : function() {
this._pulse_status = 0;
},
startPulse : function() {
if (this._pulse_status >= 0)
return;
function pulse() {
var i;
Search._pulse_status = (Search._pulse_status + 1) % 4;
var dotString = '';
for (i = 0; i < Search._pulse_status; i++)
dotString += '.';
Search.dots.text(dotString);
if (Search._pulse_status > -1)
window.setTimeout(pulse, 500);
}
pulse();
},
/**
* perform a search for something (or wait until index is loaded)
*/
performSearch : function(query) {
// create the required interface elements
this.out = $('#search-results');
this.title = $('<h2>' + _('Searching') + '</h2>').appendTo(this.out);
this.dots = $('<span></span>').appendTo(this.title);
this.status = $('<p style="display: none"></p>').appendTo(this.out);
this.output = $('<ul class="search"/>').appendTo(this.out);
$('#search-progress').text(_('Preparing search...'));
this.startPulse();
// index already loaded, the browser was quick!
if (this.hasIndex())
this.query(query);
else
this.deferQuery(query);
},
/**
* execute search (requires search index to be loaded)
*/
query : function(query) {
var i;
var stopwords = ["a","and","are","as","at","be","but","by","for","if","in","into","is","it","near","no","not","of","on","or","such","that","the","their","then","there","these","they","this","to","was","will","with"];
// stem the searchterms and add them to the correct list
var stemmer = new Stemmer();
var searchterms = [];
var excluded = [];
var hlterms = [];
var tmp = splitQuery(query);
var objectterms = [];
for (i = 0; i < tmp.length; i++) {
if (tmp[i] !== "") {
objectterms.push(tmp[i].toLowerCase());
}
if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i].match(/^\d+$/) ||
tmp[i] === "") {
// skip this "word"
continue;
}
// stem the word
var word = stemmer.stemWord(tmp[i].toLowerCase());
// prevent stemmer from cutting word smaller than two chars
if(word.length < 3 && tmp[i].length >= 3) {
word = tmp[i];
}
var toAppend;
// select the correct list
if (word[0] == '-') {
toAppend = excluded;
word = word.substr(1);
}
else {
toAppend = searchterms;
hlterms.push(tmp[i].toLowerCase());
}
// only add if not already in the list
if (!$u.contains(toAppend, word))
toAppend.push(word);
}
var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" "));
// console.debug('SEARCH: searching for:');
// console.info('required: ', searchterms);
// console.info('excluded: ', excluded);
// prepare search
var terms = this._index.terms;
var titleterms = this._index.titleterms;
// array of [filename, title, anchor, descr, score]
var results = [];
$('#search-progress').empty();
// lookup as object
for (i = 0; i < objectterms.length; i++) {
var others = [].concat(objectterms.slice(0, i),
objectterms.slice(i+1, objectterms.length));
results = results.concat(this.performObjectSearch(objectterms[i], others));
}
// lookup as search terms in fulltext
results = results.concat(this.performTermsSearch(searchterms, excluded, terms, titleterms));
// let the scorer override scores with a custom scoring function
if (Scorer.score) {
for (i = 0; i < results.length; i++)
results[i][4] = Scorer.score(results[i]);
}
// now sort the results by score (in opposite order of appearance, since the
// display function below uses pop() to retrieve items) and then
// alphabetically
results.sort(function(a, b) {
var left = a[4];
var right = b[4];
if (left > right) {
return 1;
} else if (left < right) {
return -1;
} else {
// same score: sort alphabetically
left = a[1].toLowerCase();
right = b[1].toLowerCase();
return (left > right) ? -1 : ((left < right) ? 1 : 0);
}
});
// for debugging
//Search.lastresults = results.slice(); // a copy
//console.info('search results:', Search.lastresults);
// print the results
var resultCount = results.length;
function displayNextItem() {
// results left, load the summary and display it
if (results.length) {
var item = results.pop();
var listItem = $('<li style="display:none"></li>');
if (DOCUMENTATION_OPTIONS.FILE_SUFFIX === '') {
// dirhtml builder
var dirname = item[0] + '/';
if (dirname.match(/\/index\/$/)) {
dirname = dirname.substring(0, dirname.length-6);
} else if (dirname == 'index/') {
dirname = '';
}
listItem.append($('<a/>').attr('href',
DOCUMENTATION_OPTIONS.URL_ROOT + dirname +
highlightstring + item[2]).html(item[1]));
} else {
// normal html builders
listItem.append($('<a/>').attr('href',
item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX +
highlightstring + item[2]).html(item[1]));
}
if (item[3]) {
listItem.append($('<span> (' + item[3] + ')</span>'));
Search.output.append(listItem);
listItem.slideDown(5, function() {
displayNextItem();
});
} else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
var suffix = DOCUMENTATION_OPTIONS.SOURCELINK_SUFFIX;
if (suffix === undefined) {
suffix = '.txt';
}
$.ajax({url: DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' + item[5] + (item[5].slice(-suffix.length) === suffix ? '' : suffix),
dataType: "text",
complete: function(jqxhr, textstatus) {
var data = jqxhr.responseText;
if (data !== '' && data !== undefined) {
listItem.append(Search.makeSearchSummary(data, searchterms, hlterms));
}
Search.output.append(listItem);
listItem.slideDown(5, function() {
displayNextItem();
});
}});
} else {
// no source available, just display title
Search.output.append(listItem);
listItem.slideDown(5, function() {
displayNextItem();
});
}
}
// search finished, update title and status message
else {
Search.stopPulse();
Search.title.text(_('Search Results'));
if (!resultCount)
Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
else
Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
Search.status.fadeIn(500);
}
}
displayNextItem();
},
/**
* search for object names
*/
performObjectSearch : function(object, otherterms) {
var filenames = this._index.filenames;
var docnames = this._index.docnames;
var objects = this._index.objects;
var objnames = this._index.objnames;
var titles = this._index.titles;
var i;
var results = [];
for (var prefix in objects) {
for (var name in objects[prefix]) {
var fullname = (prefix ? prefix + '.' : '') + name;
if (fullname.toLowerCase().indexOf(object) > -1) {
var score = 0;
var parts = fullname.split('.');
// check for different match types: exact matches of full name or
// "last name" (i.e. last dotted part)
if (fullname == object || parts[parts.length - 1] == object) {
score += Scorer.objNameMatch;
// matches in last name
} else if (parts[parts.length - 1].indexOf(object) > -1) {
score += Scorer.objPartialMatch;
}
var match = objects[prefix][name];
var objname = objnames[match[1]][2];
var title = titles[match[0]];
// If more than one term searched for, we require other words to be
// found in the name/title/description
if (otherterms.length > 0) {
var haystack = (prefix + ' ' + name + ' ' +
objname + ' ' + title).toLowerCase();
var allfound = true;
for (i = 0; i < otherterms.length; i++) {
if (haystack.indexOf(otherterms[i]) == -1) {
allfound = false;
break;
}
}
if (!allfound) {
continue;
}
}
var descr = objname + _(', in ') + title;
var anchor = match[3];
if (anchor === '')
anchor = fullname;
else if (anchor == '-')
anchor = objnames[match[1]][1] + '-' + fullname;
// add custom score for some objects according to scorer
if (Scorer.objPrio.hasOwnProperty(match[2])) {
score += Scorer.objPrio[match[2]];
} else {
score += Scorer.objPrioDefault;
}
results.push([docnames[match[0]], fullname, '#'+anchor, descr, score, filenames[match[0]]]);
}
}
}
return results;
},
/**
* search for full-text terms in the index
*/
performTermsSearch : function(searchterms, excluded, terms, titleterms) {
var docnames = this._index.docnames;
var filenames = this._index.filenames;
var titles = this._index.titles;
var i, j, file;
var fileMap = {};
var scoreMap = {};
var results = [];
// perform the search on the required terms
for (i = 0; i < searchterms.length; i++) {
var word = searchterms[i];
var files = [];
var _o = [
{files: terms[word], score: Scorer.term},
{files: titleterms[word], score: Scorer.title}
];
// no match but word was a required one
if ($u.every(_o, function(o){return o.files === undefined;})) {
break;
}
// found search word in contents
$u.each(_o, function(o) {
var _files = o.files;
if (_files === undefined)
return
if (_files.length === undefined)
_files = [_files];
files = files.concat(_files);
// set score for the word in each file to Scorer.term
for (j = 0; j < _files.length; j++) {
file = _files[j];
if (!(file in scoreMap))
scoreMap[file] = {}
scoreMap[file][word] = o.score;
}
});
// create the mapping
for (j = 0; j < files.length; j++) {
file = files[j];
if (file in fileMap)
fileMap[file].push(word);
else
fileMap[file] = [word];
}
}
// now check if the files don't contain excluded terms
for (file in fileMap) {
var valid = true;
// check if all requirements are matched
if (fileMap[file].length != searchterms.length)
continue;
// ensure that none of the excluded terms is in the search result
for (i = 0; i < excluded.length; i++) {
if (terms[excluded[i]] == file ||
titleterms[excluded[i]] == file ||
$u.contains(terms[excluded[i]] || [], file) ||
$u.contains(titleterms[excluded[i]] || [], file)) {
valid = false;
break;
}
}
// if we have still a valid result we can add it to the result list
if (valid) {
// select one (max) score for the file.
// for better ranking, we should calculate ranking by using words statistics like basic tf-idf...
var score = $u.max($u.map(fileMap[file], function(w){return scoreMap[file][w]}));
results.push([docnames[file], titles[file], '', null, score, filenames[file]]);
}
}
return results;
},
/**
* helper function to return a node containing the
* search summary for a given text. keywords is a list
* of stemmed words, hlwords is the list of normal, unstemmed
* words. the first one is used to find the occurrence, the
* latter for highlighting it.
*/
makeSearchSummary : function(text, keywords, hlwords) {
var textLower = text.toLowerCase();
var start = 0;
$.each(keywords, function() {
var i = textLower.indexOf(this.toLowerCase());
if (i > -1)
start = i;
});
start = Math.max(start - 120, 0);
var excerpt = ((start > 0) ? '...' : '') +
$.trim(text.substr(start, 240)) +
((start + 240 - text.length) ? '...' : '');
var rv = $('<div class="context"></div>').text(excerpt);
$.each(hlwords, function() {
rv = rv.highlightText(this, 'highlighted');
});
return rv;
}
};
$(document).ready(function() {
Search.init();
});

View File

@ -0,0 +1,999 @@
// Underscore.js 1.3.1
// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
// Underscore is freely distributable under the MIT license.
// Portions of Underscore are inspired or borrowed from Prototype,
// Oliver Steele's Functional, and John Resig's Micro-Templating.
// For all details and documentation:
// http://documentcloud.github.com/underscore
(function() {
// Baseline setup
// --------------
// Establish the root object, `window` in the browser, or `global` on the server.
var root = this;
// Save the previous value of the `_` variable.
var previousUnderscore = root._;
// Establish the object that gets returned to break out of a loop iteration.
var breaker = {};
// Save bytes in the minified (but not gzipped) version:
var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
// Create quick reference variables for speed access to core prototypes.
var slice = ArrayProto.slice,
unshift = ArrayProto.unshift,
toString = ObjProto.toString,
hasOwnProperty = ObjProto.hasOwnProperty;
// All **ECMAScript 5** native function implementations that we hope to use
// are declared here.
var
nativeForEach = ArrayProto.forEach,
nativeMap = ArrayProto.map,
nativeReduce = ArrayProto.reduce,
nativeReduceRight = ArrayProto.reduceRight,
nativeFilter = ArrayProto.filter,
nativeEvery = ArrayProto.every,
nativeSome = ArrayProto.some,
nativeIndexOf = ArrayProto.indexOf,
nativeLastIndexOf = ArrayProto.lastIndexOf,
nativeIsArray = Array.isArray,
nativeKeys = Object.keys,
nativeBind = FuncProto.bind;
// Create a safe reference to the Underscore object for use below.
var _ = function(obj) { return new wrapper(obj); };
// Export the Underscore object for **Node.js**, with
// backwards-compatibility for the old `require()` API. If we're in
// the browser, add `_` as a global object via a string identifier,
// for Closure Compiler "advanced" mode.
if (typeof exports !== 'undefined') {
if (typeof module !== 'undefined' && module.exports) {
exports = module.exports = _;
}
exports._ = _;
} else {
root['_'] = _;
}
// Current version.
_.VERSION = '1.3.1';
// Collection Functions
// --------------------
// The cornerstone, an `each` implementation, aka `forEach`.
// Handles objects with the built-in `forEach`, arrays, and raw objects.
// Delegates to **ECMAScript 5**'s native `forEach` if available.
var each = _.each = _.forEach = function(obj, iterator, context) {
if (obj == null) return;
if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
} else if (obj.length === +obj.length) {
for (var i = 0, l = obj.length; i < l; i++) {
if (i in obj && iterator.call(context, obj[i], i, obj) === breaker) return;
}
} else {
for (var key in obj) {
if (_.has(obj, key)) {
if (iterator.call(context, obj[key], key, obj) === breaker) return;
}
}
}
};
// Return the results of applying the iterator to each element.
// Delegates to **ECMAScript 5**'s native `map` if available.
_.map = _.collect = function(obj, iterator, context) {
var results = [];
if (obj == null) return results;
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
each(obj, function(value, index, list) {
results[results.length] = iterator.call(context, value, index, list);
});
if (obj.length === +obj.length) results.length = obj.length;
return results;
};
// **Reduce** builds up a single result from a list of values, aka `inject`,
// or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
_.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
var initial = arguments.length > 2;
if (obj == null) obj = [];
if (nativeReduce && obj.reduce === nativeReduce) {
if (context) iterator = _.bind(iterator, context);
return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
}
each(obj, function(value, index, list) {
if (!initial) {
memo = value;
initial = true;
} else {
memo = iterator.call(context, memo, value, index, list);
}
});
if (!initial) throw new TypeError('Reduce of empty array with no initial value');
return memo;
};
// The right-associative version of reduce, also known as `foldr`.
// Delegates to **ECMAScript 5**'s native `reduceRight` if available.
_.reduceRight = _.foldr = function(obj, iterator, memo, context) {
var initial = arguments.length > 2;
if (obj == null) obj = [];
if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
if (context) iterator = _.bind(iterator, context);
return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
}
var reversed = _.toArray(obj).reverse();
if (context && !initial) iterator = _.bind(iterator, context);
return initial ? _.reduce(reversed, iterator, memo, context) : _.reduce(reversed, iterator);
};
// Return the first value which passes a truth test. Aliased as `detect`.
_.find = _.detect = function(obj, iterator, context) {
var result;
any(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) {
result = value;
return true;
}
});
return result;
};
// Return all the elements that pass a truth test.
// Delegates to **ECMAScript 5**'s native `filter` if available.
// Aliased as `select`.
_.filter = _.select = function(obj, iterator, context) {
var results = [];
if (obj == null) return results;
if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
each(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) results[results.length] = value;
});
return results;
};
// Return all the elements for which a truth test fails.
_.reject = function(obj, iterator, context) {
var results = [];
if (obj == null) return results;
each(obj, function(value, index, list) {
if (!iterator.call(context, value, index, list)) results[results.length] = value;
});
return results;
};
// Determine whether all of the elements match a truth test.
// Delegates to **ECMAScript 5**'s native `every` if available.
// Aliased as `all`.
_.every = _.all = function(obj, iterator, context) {
var result = true;
if (obj == null) return result;
if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
each(obj, function(value, index, list) {
if (!(result = result && iterator.call(context, value, index, list))) return breaker;
});
return result;
};
// Determine if at least one element in the object matches a truth test.
// Delegates to **ECMAScript 5**'s native `some` if available.
// Aliased as `any`.
var any = _.some = _.any = function(obj, iterator, context) {
iterator || (iterator = _.identity);
var result = false;
if (obj == null) return result;
if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
each(obj, function(value, index, list) {
if (result || (result = iterator.call(context, value, index, list))) return breaker;
});
return !!result;
};
// Determine if a given value is included in the array or object using `===`.
// Aliased as `contains`.
_.include = _.contains = function(obj, target) {
var found = false;
if (obj == null) return found;
if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
found = any(obj, function(value) {
return value === target;
});
return found;
};
// Invoke a method (with arguments) on every item in a collection.
_.invoke = function(obj, method) {
var args = slice.call(arguments, 2);
return _.map(obj, function(value) {
return (_.isFunction(method) ? method || value : value[method]).apply(value, args);
});
};
// Convenience version of a common use case of `map`: fetching a property.
_.pluck = function(obj, key) {
return _.map(obj, function(value){ return value[key]; });
};
// Return the maximum element or (element-based computation).
_.max = function(obj, iterator, context) {
if (!iterator && _.isArray(obj)) return Math.max.apply(Math, obj);
if (!iterator && _.isEmpty(obj)) return -Infinity;
var result = {computed : -Infinity};
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
computed >= result.computed && (result = {value : value, computed : computed});
});
return result.value;
};
// Return the minimum element (or element-based computation).
_.min = function(obj, iterator, context) {
if (!iterator && _.isArray(obj)) return Math.min.apply(Math, obj);
if (!iterator && _.isEmpty(obj)) return Infinity;
var result = {computed : Infinity};
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
computed < result.computed && (result = {value : value, computed : computed});
});
return result.value;
};
// Shuffle an array.
_.shuffle = function(obj) {
var shuffled = [], rand;
each(obj, function(value, index, list) {
if (index == 0) {
shuffled[0] = value;
} else {
rand = Math.floor(Math.random() * (index + 1));
shuffled[index] = shuffled[rand];
shuffled[rand] = value;
}
});
return shuffled;
};
// Sort the object's values by a criterion produced by an iterator.
_.sortBy = function(obj, iterator, context) {
return _.pluck(_.map(obj, function(value, index, list) {
return {
value : value,
criteria : iterator.call(context, value, index, list)
};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
}), 'value');
};
// Groups the object's values by a criterion. Pass either a string attribute
// to group by, or a function that returns the criterion.
_.groupBy = function(obj, val) {
var result = {};
var iterator = _.isFunction(val) ? val : function(obj) { return obj[val]; };
each(obj, function(value, index) {
var key = iterator(value, index);
(result[key] || (result[key] = [])).push(value);
});
return result;
};
// Use a comparator function to figure out at what index an object should
// be inserted so as to maintain order. Uses binary search.
_.sortedIndex = function(array, obj, iterator) {
iterator || (iterator = _.identity);
var low = 0, high = array.length;
while (low < high) {
var mid = (low + high) >> 1;
iterator(array[mid]) < iterator(obj) ? low = mid + 1 : high = mid;
}
return low;
};
// Safely convert anything iterable into a real, live array.
_.toArray = function(iterable) {
if (!iterable) return [];
if (iterable.toArray) return iterable.toArray();
if (_.isArray(iterable)) return slice.call(iterable);
if (_.isArguments(iterable)) return slice.call(iterable);
return _.values(iterable);
};
// Return the number of elements in an object.
_.size = function(obj) {
return _.toArray(obj).length;
};
// Array Functions
// ---------------
// Get the first element of an array. Passing **n** will return the first N
// values in the array. Aliased as `head`. The **guard** check allows it to work
// with `_.map`.
_.first = _.head = function(array, n, guard) {
return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
};
// Returns everything but the last entry of the array. Especcialy useful on
// the arguments object. Passing **n** will return all the values in
// the array, excluding the last N. The **guard** check allows it to work with
// `_.map`.
_.initial = function(array, n, guard) {
return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
};
// Get the last element of an array. Passing **n** will return the last N
// values in the array. The **guard** check allows it to work with `_.map`.
_.last = function(array, n, guard) {
if ((n != null) && !guard) {
return slice.call(array, Math.max(array.length - n, 0));
} else {
return array[array.length - 1];
}
};
// Returns everything but the first entry of the array. Aliased as `tail`.
// Especially useful on the arguments object. Passing an **index** will return
// the rest of the values in the array from that index onward. The **guard**
// check allows it to work with `_.map`.
_.rest = _.tail = function(array, index, guard) {
return slice.call(array, (index == null) || guard ? 1 : index);
};
// Trim out all falsy values from an array.
_.compact = function(array) {
return _.filter(array, function(value){ return !!value; });
};
// Return a completely flattened version of an array.
_.flatten = function(array, shallow) {
return _.reduce(array, function(memo, value) {
if (_.isArray(value)) return memo.concat(shallow ? value : _.flatten(value));
memo[memo.length] = value;
return memo;
}, []);
};
// Return a version of the array that does not contain the specified value(s).
_.without = function(array) {
return _.difference(array, slice.call(arguments, 1));
};
// Produce a duplicate-free version of the array. If the array has already
// been sorted, you have the option of using a faster algorithm.
// Aliased as `unique`.
_.uniq = _.unique = function(array, isSorted, iterator) {
var initial = iterator ? _.map(array, iterator) : array;
var result = [];
_.reduce(initial, function(memo, el, i) {
if (0 == i || (isSorted === true ? _.last(memo) != el : !_.include(memo, el))) {
memo[memo.length] = el;
result[result.length] = array[i];
}
return memo;
}, []);
return result;
};
// Produce an array that contains the union: each distinct element from all of
// the passed-in arrays.
_.union = function() {
return _.uniq(_.flatten(arguments, true));
};
// Produce an array that contains every item shared between all the
// passed-in arrays. (Aliased as "intersect" for back-compat.)
_.intersection = _.intersect = function(array) {
var rest = slice.call(arguments, 1);
return _.filter(_.uniq(array), function(item) {
return _.every(rest, function(other) {
return _.indexOf(other, item) >= 0;
});
});
};
// Take the difference between one array and a number of other arrays.
// Only the elements present in just the first array will remain.
_.difference = function(array) {
var rest = _.flatten(slice.call(arguments, 1));
return _.filter(array, function(value){ return !_.include(rest, value); });
};
// Zip together multiple lists into a single array -- elements that share
// an index go together.
_.zip = function() {
var args = slice.call(arguments);
var length = _.max(_.pluck(args, 'length'));
var results = new Array(length);
for (var i = 0; i < length; i++) results[i] = _.pluck(args, "" + i);
return results;
};
// If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
// we need this function. Return the position of the first occurrence of an
// item in an array, or -1 if the item is not included in the array.
// Delegates to **ECMAScript 5**'s native `indexOf` if available.
// If the array is large and already in sort order, pass `true`
// for **isSorted** to use binary search.
_.indexOf = function(array, item, isSorted) {
if (array == null) return -1;
var i, l;
if (isSorted) {
i = _.sortedIndex(array, item);
return array[i] === item ? i : -1;
}
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item);
for (i = 0, l = array.length; i < l; i++) if (i in array && array[i] === item) return i;
return -1;
};
// Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
_.lastIndexOf = function(array, item) {
if (array == null) return -1;
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
var i = array.length;
while (i--) if (i in array && array[i] === item) return i;
return -1;
};
// Generate an integer Array containing an arithmetic progression. A port of
// the native Python `range()` function. See
// [the Python documentation](http://docs.python.org/library/functions.html#range).
_.range = function(start, stop, step) {
if (arguments.length <= 1) {
stop = start || 0;
start = 0;
}
step = arguments[2] || 1;
var len = Math.max(Math.ceil((stop - start) / step), 0);
var idx = 0;
var range = new Array(len);
while(idx < len) {
range[idx++] = start;
start += step;
}
return range;
};
// Function (ahem) Functions
// ------------------
// Reusable constructor function for prototype setting.
var ctor = function(){};
// Create a function bound to a given object (assigning `this`, and arguments,
// optionally). Binding with arguments is also known as `curry`.
// Delegates to **ECMAScript 5**'s native `Function.bind` if available.
// We check for `func.bind` first, to fail fast when `func` is undefined.
_.bind = function bind(func, context) {
var bound, args;
if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
if (!_.isFunction(func)) throw new TypeError;
args = slice.call(arguments, 2);
return bound = function() {
if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
ctor.prototype = func.prototype;
var self = new ctor;
var result = func.apply(self, args.concat(slice.call(arguments)));
if (Object(result) === result) return result;
return self;
};
};
// Bind all of an object's methods to that object. Useful for ensuring that
// all callbacks defined on an object belong to it.
_.bindAll = function(obj) {
var funcs = slice.call(arguments, 1);
if (funcs.length == 0) funcs = _.functions(obj);
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
return obj;
};
// Memoize an expensive function by storing its results.
_.memoize = function(func, hasher) {
var memo = {};
hasher || (hasher = _.identity);
return function() {
var key = hasher.apply(this, arguments);
return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
};
};
// Delays a function for the given number of milliseconds, and then calls
// it with the arguments supplied.
_.delay = function(func, wait) {
var args = slice.call(arguments, 2);
return setTimeout(function(){ return func.apply(func, args); }, wait);
};
// Defers a function, scheduling it to run after the current call stack has
// cleared.
_.defer = function(func) {
return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
};
// Returns a function, that, when invoked, will only be triggered at most once
// during a given window of time.
_.throttle = function(func, wait) {
var context, args, timeout, throttling, more;
var whenDone = _.debounce(function(){ more = throttling = false; }, wait);
return function() {
context = this; args = arguments;
var later = function() {
timeout = null;
if (more) func.apply(context, args);
whenDone();
};
if (!timeout) timeout = setTimeout(later, wait);
if (throttling) {
more = true;
} else {
func.apply(context, args);
}
whenDone();
throttling = true;
};
};
// Returns a function, that, as long as it continues to be invoked, will not
// be triggered. The function will be called after it stops being called for
// N milliseconds.
_.debounce = function(func, wait) {
var timeout;
return function() {
var context = this, args = arguments;
var later = function() {
timeout = null;
func.apply(context, args);
};
clearTimeout(timeout);
timeout = setTimeout(later, wait);
};
};
// Returns a function that will be executed at most one time, no matter how
// often you call it. Useful for lazy initialization.
_.once = function(func) {
var ran = false, memo;
return function() {
if (ran) return memo;
ran = true;
return memo = func.apply(this, arguments);
};
};
// Returns the first function passed as an argument to the second,
// allowing you to adjust arguments, run code before and after, and
// conditionally execute the original function.
_.wrap = function(func, wrapper) {
return function() {
var args = [func].concat(slice.call(arguments, 0));
return wrapper.apply(this, args);
};
};
// Returns a function that is the composition of a list of functions, each
// consuming the return value of the function that follows.
_.compose = function() {
var funcs = arguments;
return function() {
var args = arguments;
for (var i = funcs.length - 1; i >= 0; i--) {
args = [funcs[i].apply(this, args)];
}
return args[0];
};
};
// Returns a function that will only be executed after being called N times.
_.after = function(times, func) {
if (times <= 0) return func();
return function() {
if (--times < 1) { return func.apply(this, arguments); }
};
};
// Object Functions
// ----------------
// Retrieve the names of an object's properties.
// Delegates to **ECMAScript 5**'s native `Object.keys`
_.keys = nativeKeys || function(obj) {
if (obj !== Object(obj)) throw new TypeError('Invalid object');
var keys = [];
for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
return keys;
};
// Retrieve the values of an object's properties.
_.values = function(obj) {
return _.map(obj, _.identity);
};
// Return a sorted list of the function names available on the object.
// Aliased as `methods`
_.functions = _.methods = function(obj) {
var names = [];
for (var key in obj) {
if (_.isFunction(obj[key])) names.push(key);
}
return names.sort();
};
// Extend a given object with all the properties in passed-in object(s).
_.extend = function(obj) {
each(slice.call(arguments, 1), function(source) {
for (var prop in source) {
obj[prop] = source[prop];
}
});
return obj;
};
// Fill in a given object with default properties.
_.defaults = function(obj) {
each(slice.call(arguments, 1), function(source) {
for (var prop in source) {
if (obj[prop] == null) obj[prop] = source[prop];
}
});
return obj;
};
// Create a (shallow-cloned) duplicate of an object.
_.clone = function(obj) {
if (!_.isObject(obj)) return obj;
return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
};
// Invokes interceptor with the obj, and then returns obj.
// The primary purpose of this method is to "tap into" a method chain, in
// order to perform operations on intermediate results within the chain.
_.tap = function(obj, interceptor) {
interceptor(obj);
return obj;
};
// Internal recursive comparison function.
function eq(a, b, stack) {
// Identical objects are equal. `0 === -0`, but they aren't identical.
// See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
if (a === b) return a !== 0 || 1 / a == 1 / b;
// A strict comparison is necessary because `null == undefined`.
if (a == null || b == null) return a === b;
// Unwrap any wrapped objects.
if (a._chain) a = a._wrapped;
if (b._chain) b = b._wrapped;
// Invoke a custom `isEqual` method if one is provided.
if (a.isEqual && _.isFunction(a.isEqual)) return a.isEqual(b);
if (b.isEqual && _.isFunction(b.isEqual)) return b.isEqual(a);
// Compare `[[Class]]` names.
var className = toString.call(a);
if (className != toString.call(b)) return false;
switch (className) {
// Strings, numbers, dates, and booleans are compared by value.
case '[object String]':
// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
// equivalent to `new String("5")`.
return a == String(b);
case '[object Number]':
// `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
// other numeric values.
return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
case '[object Date]':
case '[object Boolean]':
// Coerce dates and booleans to numeric primitive values. Dates are compared by their
// millisecond representations. Note that invalid dates with millisecond representations
// of `NaN` are not equivalent.
return +a == +b;
// RegExps are compared by their source patterns and flags.
case '[object RegExp]':
return a.source == b.source &&
a.global == b.global &&
a.multiline == b.multiline &&
a.ignoreCase == b.ignoreCase;
}
if (typeof a != 'object' || typeof b != 'object') return false;
// Assume equality for cyclic structures. The algorithm for detecting cyclic
// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
var length = stack.length;
while (length--) {
// Linear search. Performance is inversely proportional to the number of
// unique nested structures.
if (stack[length] == a) return true;
}
// Add the first object to the stack of traversed objects.
stack.push(a);
var size = 0, result = true;
// Recursively compare objects and arrays.
if (className == '[object Array]') {
// Compare array lengths to determine if a deep comparison is necessary.
size = a.length;
result = size == b.length;
if (result) {
// Deep compare the contents, ignoring non-numeric properties.
while (size--) {
// Ensure commutative equality for sparse arrays.
if (!(result = size in a == size in b && eq(a[size], b[size], stack))) break;
}
}
} else {
// Objects with different constructors are not equivalent.
if ('constructor' in a != 'constructor' in b || a.constructor != b.constructor) return false;
// Deep compare objects.
for (var key in a) {
if (_.has(a, key)) {
// Count the expected number of properties.
size++;
// Deep compare each member.
if (!(result = _.has(b, key) && eq(a[key], b[key], stack))) break;
}
}
// Ensure that both objects contain the same number of properties.
if (result) {
for (key in b) {
if (_.has(b, key) && !(size--)) break;
}
result = !size;
}
}
// Remove the first object from the stack of traversed objects.
stack.pop();
return result;
}
// Perform a deep comparison to check if two objects are equal.
_.isEqual = function(a, b) {
return eq(a, b, []);
};
// Is a given array, string, or object empty?
// An "empty" object has no enumerable own-properties.
_.isEmpty = function(obj) {
if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
for (var key in obj) if (_.has(obj, key)) return false;
return true;
};
// Is a given value a DOM element?
_.isElement = function(obj) {
return !!(obj && obj.nodeType == 1);
};
// Is a given value an array?
// Delegates to ECMA5's native Array.isArray
_.isArray = nativeIsArray || function(obj) {
return toString.call(obj) == '[object Array]';
};
// Is a given variable an object?
_.isObject = function(obj) {
return obj === Object(obj);
};
// Is a given variable an arguments object?
_.isArguments = function(obj) {
return toString.call(obj) == '[object Arguments]';
};
if (!_.isArguments(arguments)) {
_.isArguments = function(obj) {
return !!(obj && _.has(obj, 'callee'));
};
}
// Is a given value a function?
_.isFunction = function(obj) {
return toString.call(obj) == '[object Function]';
};
// Is a given value a string?
_.isString = function(obj) {
return toString.call(obj) == '[object String]';
};
// Is a given value a number?
_.isNumber = function(obj) {
return toString.call(obj) == '[object Number]';
};
// Is the given value `NaN`?
_.isNaN = function(obj) {
// `NaN` is the only value for which `===` is not reflexive.
return obj !== obj;
};
// Is a given value a boolean?
_.isBoolean = function(obj) {
return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
};
// Is a given value a date?
_.isDate = function(obj) {
return toString.call(obj) == '[object Date]';
};
// Is the given value a regular expression?
_.isRegExp = function(obj) {
return toString.call(obj) == '[object RegExp]';
};
// Is a given value equal to null?
_.isNull = function(obj) {
return obj === null;
};
// Is a given variable undefined?
_.isUndefined = function(obj) {
return obj === void 0;
};
// Has own property?
_.has = function(obj, key) {
return hasOwnProperty.call(obj, key);
};
// Utility Functions
// -----------------
// Run Underscore.js in *noConflict* mode, returning the `_` variable to its
// previous owner. Returns a reference to the Underscore object.
_.noConflict = function() {
root._ = previousUnderscore;
return this;
};
// Keep the identity function around for default iterators.
_.identity = function(value) {
return value;
};
// Run a function **n** times.
_.times = function (n, iterator, context) {
for (var i = 0; i < n; i++) iterator.call(context, i);
};
// Escape a string for HTML interpolation.
_.escape = function(string) {
return (''+string).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/\//g,'&#x2F;');
};
// Add your own custom functions to the Underscore object, ensuring that
// they're correctly added to the OOP wrapper as well.
_.mixin = function(obj) {
each(_.functions(obj), function(name){
addToWrapper(name, _[name] = obj[name]);
});
};
// Generate a unique integer id (unique within the entire client session).
// Useful for temporary DOM ids.
var idCounter = 0;
_.uniqueId = function(prefix) {
var id = idCounter++;
return prefix ? prefix + id : id;
};
// By default, Underscore uses ERB-style template delimiters, change the
// following template settings to use alternative delimiters.
_.templateSettings = {
evaluate : /<%([\s\S]+?)%>/g,
interpolate : /<%=([\s\S]+?)%>/g,
escape : /<%-([\s\S]+?)%>/g
};
// When customizing `templateSettings`, if you don't want to define an
// interpolation, evaluation or escaping regex, we need one that is
// guaranteed not to match.
var noMatch = /.^/;
// Within an interpolation, evaluation, or escaping, remove HTML escaping
// that had been previously added.
var unescape = function(code) {
return code.replace(/\\\\/g, '\\').replace(/\\'/g, "'");
};
// JavaScript micro-templating, similar to John Resig's implementation.
// Underscore templating handles arbitrary delimiters, preserves whitespace,
// and correctly escapes quotes within interpolated code.
_.template = function(str, data) {
var c = _.templateSettings;
var tmpl = 'var __p=[],print=function(){__p.push.apply(__p,arguments);};' +
'with(obj||{}){__p.push(\'' +
str.replace(/\\/g, '\\\\')
.replace(/'/g, "\\'")
.replace(c.escape || noMatch, function(match, code) {
return "',_.escape(" + unescape(code) + "),'";
})
.replace(c.interpolate || noMatch, function(match, code) {
return "'," + unescape(code) + ",'";
})
.replace(c.evaluate || noMatch, function(match, code) {
return "');" + unescape(code).replace(/[\r\n\t]/g, ' ') + ";__p.push('";
})
.replace(/\r/g, '\\r')
.replace(/\n/g, '\\n')
.replace(/\t/g, '\\t')
+ "');}return __p.join('');";
var func = new Function('obj', '_', tmpl);
if (data) return func(data, _);
return function(data) {
return func.call(this, data, _);
};
};
// Add a "chain" function, which will delegate to the wrapper.
_.chain = function(obj) {
return _(obj).chain();
};
// The OOP Wrapper
// ---------------
// If Underscore is called as a function, it returns a wrapped object that
// can be used OO-style. This wrapper holds altered versions of all the
// underscore functions. Wrapped objects may be chained.
var wrapper = function(obj) { this._wrapped = obj; };
// Expose `wrapper.prototype` as `_.prototype`
_.prototype = wrapper.prototype;
// Helper function to continue chaining intermediate results.
var result = function(obj, chain) {
return chain ? _(obj).chain() : obj;
};
// A method to easily add functions to the OOP wrapper.
var addToWrapper = function(name, func) {
wrapper.prototype[name] = function() {
var args = slice.call(arguments);
unshift.call(args, this._wrapped);
return result(func.apply(_, args), this._chain);
};
};
// Add all of the Underscore functions to the wrapper object.
_.mixin(_);
// Add all mutator Array functions to the wrapper.
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
var method = ArrayProto[name];
wrapper.prototype[name] = function() {
var wrapped = this._wrapped;
method.apply(wrapped, arguments);
var length = wrapped.length;
if ((name == 'shift' || name == 'splice') && length === 0) delete wrapped[0];
return result(wrapped, this._chain);
};
});
// Add all accessor Array functions to the wrapper.
each(['concat', 'join', 'slice'], function(name) {
var method = ArrayProto[name];
wrapper.prototype[name] = function() {
return result(method.apply(this._wrapped, arguments), this._chain);
};
});
// Start chaining a wrapped Underscore object.
wrapper.prototype.chain = function() {
this._chain = true;
return this;
};
// Extracts the result from a wrapped and chained object.
wrapper.prototype.value = function() {
return this._wrapped;
};
}).call(this);

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@ -0,0 +1,31 @@
// Underscore.js 1.3.1
// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
// Underscore is freely distributable under the MIT license.
// Portions of Underscore are inspired or borrowed from Prototype,
// Oliver Steele's Functional, and John Resig's Micro-Templating.
// For all details and documentation:
// http://documentcloud.github.com/underscore
(function(){function q(a,c,d){if(a===c)return a!==0||1/a==1/c;if(a==null||c==null)return a===c;if(a._chain)a=a._wrapped;if(c._chain)c=c._wrapped;if(a.isEqual&&b.isFunction(a.isEqual))return a.isEqual(c);if(c.isEqual&&b.isFunction(c.isEqual))return c.isEqual(a);var e=l.call(a);if(e!=l.call(c))return false;switch(e){case "[object String]":return a==String(c);case "[object Number]":return a!=+a?c!=+c:a==0?1/a==1/c:a==+c;case "[object Date]":case "[object Boolean]":return+a==+c;case "[object RegExp]":return a.source==
c.source&&a.global==c.global&&a.multiline==c.multiline&&a.ignoreCase==c.ignoreCase}if(typeof a!="object"||typeof c!="object")return false;for(var f=d.length;f--;)if(d[f]==a)return true;d.push(a);var f=0,g=true;if(e=="[object Array]"){if(f=a.length,g=f==c.length)for(;f--;)if(!(g=f in a==f in c&&q(a[f],c[f],d)))break}else{if("constructor"in a!="constructor"in c||a.constructor!=c.constructor)return false;for(var h in a)if(b.has(a,h)&&(f++,!(g=b.has(c,h)&&q(a[h],c[h],d))))break;if(g){for(h in c)if(b.has(c,
h)&&!f--)break;g=!f}}d.pop();return g}var r=this,G=r._,n={},k=Array.prototype,o=Object.prototype,i=k.slice,H=k.unshift,l=o.toString,I=o.hasOwnProperty,w=k.forEach,x=k.map,y=k.reduce,z=k.reduceRight,A=k.filter,B=k.every,C=k.some,p=k.indexOf,D=k.lastIndexOf,o=Array.isArray,J=Object.keys,s=Function.prototype.bind,b=function(a){return new m(a)};if(typeof exports!=="undefined"){if(typeof module!=="undefined"&&module.exports)exports=module.exports=b;exports._=b}else r._=b;b.VERSION="1.3.1";var j=b.each=
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/*
* websupport.js
* ~~~~~~~~~~~~~
*
* sphinx.websupport utilities for all documentation.
*
* :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
* :license: BSD, see LICENSE for details.
*
*/
(function($) {
$.fn.autogrow = function() {
return this.each(function() {
var textarea = this;
$.fn.autogrow.resize(textarea);
$(textarea)
.focus(function() {
textarea.interval = setInterval(function() {
$.fn.autogrow.resize(textarea);
}, 500);
})
.blur(function() {
clearInterval(textarea.interval);
});
});
};
$.fn.autogrow.resize = function(textarea) {
var lineHeight = parseInt($(textarea).css('line-height'), 10);
var lines = textarea.value.split('\n');
var columns = textarea.cols;
var lineCount = 0;
$.each(lines, function() {
lineCount += Math.ceil(this.length / columns) || 1;
});
var height = lineHeight * (lineCount + 1);
$(textarea).css('height', height);
};
})(jQuery);
(function($) {
var comp, by;
function init() {
initEvents();
initComparator();
}
function initEvents() {
$(document).on("click", 'a.comment-close', function(event) {
event.preventDefault();
hide($(this).attr('id').substring(2));
});
$(document).on("click", 'a.vote', function(event) {
event.preventDefault();
handleVote($(this));
});
$(document).on("click", 'a.reply', function(event) {
event.preventDefault();
openReply($(this).attr('id').substring(2));
});
$(document).on("click", 'a.close-reply', function(event) {
event.preventDefault();
closeReply($(this).attr('id').substring(2));
});
$(document).on("click", 'a.sort-option', function(event) {
event.preventDefault();
handleReSort($(this));
});
$(document).on("click", 'a.show-proposal', function(event) {
event.preventDefault();
showProposal($(this).attr('id').substring(2));
});
$(document).on("click", 'a.hide-proposal', function(event) {
event.preventDefault();
hideProposal($(this).attr('id').substring(2));
});
$(document).on("click", 'a.show-propose-change', function(event) {
event.preventDefault();
showProposeChange($(this).attr('id').substring(2));
});
$(document).on("click", 'a.hide-propose-change', function(event) {
event.preventDefault();
hideProposeChange($(this).attr('id').substring(2));
});
$(document).on("click", 'a.accept-comment', function(event) {
event.preventDefault();
acceptComment($(this).attr('id').substring(2));
});
$(document).on("click", 'a.delete-comment', function(event) {
event.preventDefault();
deleteComment($(this).attr('id').substring(2));
});
$(document).on("click", 'a.comment-markup', function(event) {
event.preventDefault();
toggleCommentMarkupBox($(this).attr('id').substring(2));
});
}
/**
* Set comp, which is a comparator function used for sorting and
* inserting comments into the list.
*/
function setComparator() {
// If the first three letters are "asc", sort in ascending order
// and remove the prefix.
if (by.substring(0,3) == 'asc') {
var i = by.substring(3);
comp = function(a, b) { return a[i] - b[i]; };
} else {
// Otherwise sort in descending order.
comp = function(a, b) { return b[by] - a[by]; };
}
// Reset link styles and format the selected sort option.
$('a.sel').attr('href', '#').removeClass('sel');
$('a.by' + by).removeAttr('href').addClass('sel');
}
/**
* Create a comp function. If the user has preferences stored in
* the sortBy cookie, use those, otherwise use the default.
*/
function initComparator() {
by = 'rating'; // Default to sort by rating.
// If the sortBy cookie is set, use that instead.
if (document.cookie.length > 0) {
var start = document.cookie.indexOf('sortBy=');
if (start != -1) {
start = start + 7;
var end = document.cookie.indexOf(";", start);
if (end == -1) {
end = document.cookie.length;
by = unescape(document.cookie.substring(start, end));
}
}
}
setComparator();
}
/**
* Show a comment div.
*/
function show(id) {
$('#ao' + id).hide();
$('#ah' + id).show();
var context = $.extend({id: id}, opts);
var popup = $(renderTemplate(popupTemplate, context)).hide();
popup.find('textarea[name="proposal"]').hide();
popup.find('a.by' + by).addClass('sel');
var form = popup.find('#cf' + id);
form.submit(function(event) {
event.preventDefault();
addComment(form);
});
$('#s' + id).after(popup);
popup.slideDown('fast', function() {
getComments(id);
});
}
/**
* Hide a comment div.
*/
function hide(id) {
$('#ah' + id).hide();
$('#ao' + id).show();
var div = $('#sc' + id);
div.slideUp('fast', function() {
div.remove();
});
}
/**
* Perform an ajax request to get comments for a node
* and insert the comments into the comments tree.
*/
function getComments(id) {
$.ajax({
type: 'GET',
url: opts.getCommentsURL,
data: {node: id},
success: function(data, textStatus, request) {
var ul = $('#cl' + id);
var speed = 100;
$('#cf' + id)
.find('textarea[name="proposal"]')
.data('source', data.source);
if (data.comments.length === 0) {
ul.html('<li>No comments yet.</li>');
ul.data('empty', true);
} else {
// If there are comments, sort them and put them in the list.
var comments = sortComments(data.comments);
speed = data.comments.length * 100;
appendComments(comments, ul);
ul.data('empty', false);
}
$('#cn' + id).slideUp(speed + 200);
ul.slideDown(speed);
},
error: function(request, textStatus, error) {
showError('Oops, there was a problem retrieving the comments.');
},
dataType: 'json'
});
}
/**
* Add a comment via ajax and insert the comment into the comment tree.
*/
function addComment(form) {
var node_id = form.find('input[name="node"]').val();
var parent_id = form.find('input[name="parent"]').val();
var text = form.find('textarea[name="comment"]').val();
var proposal = form.find('textarea[name="proposal"]').val();
if (text == '') {
showError('Please enter a comment.');
return;
}
// Disable the form that is being submitted.
form.find('textarea,input').attr('disabled', 'disabled');
// Send the comment to the server.
$.ajax({
type: "POST",
url: opts.addCommentURL,
dataType: 'json',
data: {
node: node_id,
parent: parent_id,
text: text,
proposal: proposal
},
success: function(data, textStatus, error) {
// Reset the form.
if (node_id) {
hideProposeChange(node_id);
}
form.find('textarea')
.val('')
.add(form.find('input'))
.removeAttr('disabled');
var ul = $('#cl' + (node_id || parent_id));
if (ul.data('empty')) {
$(ul).empty();
ul.data('empty', false);
}
insertComment(data.comment);
var ao = $('#ao' + node_id);
ao.find('img').attr({'src': opts.commentBrightImage});
if (node_id) {
// if this was a "root" comment, remove the commenting box
// (the user can get it back by reopening the comment popup)
$('#ca' + node_id).slideUp();
}
},
error: function(request, textStatus, error) {
form.find('textarea,input').removeAttr('disabled');
showError('Oops, there was a problem adding the comment.');
}
});
}
/**
* Recursively append comments to the main comment list and children
* lists, creating the comment tree.
*/
function appendComments(comments, ul) {
$.each(comments, function() {
var div = createCommentDiv(this);
ul.append($(document.createElement('li')).html(div));
appendComments(this.children, div.find('ul.comment-children'));
// To avoid stagnating data, don't store the comments children in data.
this.children = null;
div.data('comment', this);
});
}
/**
* After adding a new comment, it must be inserted in the correct
* location in the comment tree.
*/
function insertComment(comment) {
var div = createCommentDiv(comment);
// To avoid stagnating data, don't store the comments children in data.
comment.children = null;
div.data('comment', comment);
var ul = $('#cl' + (comment.node || comment.parent));
var siblings = getChildren(ul);
var li = $(document.createElement('li'));
li.hide();
// Determine where in the parents children list to insert this comment.
for(var i=0; i < siblings.length; i++) {
if (comp(comment, siblings[i]) <= 0) {
$('#cd' + siblings[i].id)
.parent()
.before(li.html(div));
li.slideDown('fast');
return;
}
}
// If we get here, this comment rates lower than all the others,
// or it is the only comment in the list.
ul.append(li.html(div));
li.slideDown('fast');
}
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downArrowPressed: '/static/_static/down-pressed.png',
voting: false,
moderator: false
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});

351
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Addresses &#8212; pybtc documentation</title>
<link rel="stylesheet" href="_static/alabaster.css" type="text/css" />
<link rel="stylesheet" href="_static/pygments.css" type="text/css" />
<script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>
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<meta name="viewport" content="width=device-width, initial-scale=0.9, maximum-scale=0.9" />
</head><body>
<div class="document">
<div class="documentwrapper">
<div class="bodywrapper">
<div class="body" role="main">
<div class="section" id="addresses">
<h1>Addresses<a class="headerlink" href="#addresses" title="Permalink to this headline"></a></h1>
<p>Collection of base classes that implement the work with Bitcoin addresses and address keys.
Supports addresses types PUBKEY, P2PKH, P2SH, P2SH-PWPKH, P2WPKH, P2WSH.</p>
<div class="line-block">
<div class="line"><br /></div>
<div class="line"><br /></div>
</div>
<dl class="class">
<dt id="pybtc.PrivateKey">
<em class="property">class </em><code class="descclassname">pybtc.</code><code class="descname">PrivateKey</code><span class="sig-paren">(</span><em>key=None</em>, <em>compressed=True</em>, <em>testnet=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/address.html#PrivateKey"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.PrivateKey" title="Permalink to this definition"></a></dt>
<dd><p>The class for creating private key object.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>key</strong> (optional) private key in HEX, bytes string or WIF format. In case no key specified
new random private key will be created.</li>
<li><strong>compressed</strong> (optional) if set to True private key corresponding compressed public key,
by default set to True. Recommended use only compressed public key.</li>
<li><strong>testnet</strong> (optional) if set to True mean that this private key for testnet Bitcoin network.</li>
</ul>
</td>
</tr>
</tbody>
</table>
<dl class="attribute">
<dt id="pybtc.PrivateKey.compressed">
<code class="descname">compressed</code><a class="headerlink" href="#pybtc.PrivateKey.compressed" title="Permalink to this definition"></a></dt>
<dd><p>flag for compressed type of corresponding public key (boolean)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.PrivateKey.hex">
<code class="descname">hex</code><a class="headerlink" href="#pybtc.PrivateKey.hex" title="Permalink to this definition"></a></dt>
<dd><p>private key in HEX (string)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.PrivateKey.key">
<code class="descname">key</code><a class="headerlink" href="#pybtc.PrivateKey.key" title="Permalink to this definition"></a></dt>
<dd><p>private key in bytes (bytes)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.PrivateKey.testnet">
<code class="descname">testnet</code><a class="headerlink" href="#pybtc.PrivateKey.testnet" title="Permalink to this definition"></a></dt>
<dd><p>flag for testnet network private key (boolean)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.PrivateKey.wif">
<code class="descname">wif</code><a class="headerlink" href="#pybtc.PrivateKey.wif" title="Permalink to this definition"></a></dt>
<dd><p>private key in WIF format (string)</p>
</dd></dl>
</dd></dl>
<div class="line-block">
<div class="line"><br /></div>
<div class="line"><br /></div>
</div>
<dl class="class">
<dt id="pybtc.PublicKey">
<em class="property">class </em><code class="descclassname">pybtc.</code><code class="descname">PublicKey</code><span class="sig-paren">(</span><em>key</em>, <em>compressed=True</em>, <em>testnet=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/address.html#PublicKey"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.PublicKey" title="Permalink to this definition"></a></dt>
<dd><p>The class for public key object.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>key</strong> <p>one of this types allowed:</p>
<ul>
<li>private key is instance of <code class="docutils literal notranslate"><span class="pre">PrivateKey</span></code> class</li>
<li>private key HEX encoded string</li>
<li>private key 32 bytes string</li>
<li>private key in WIF format</li>
<li>public key in HEX encoded string</li>
<li>public key [33/65] bytes string</li>
</ul>
<p>In case no key specified with HEX or bytes string you have to provide flag for testnet
and compressed key. WIF format and <code class="docutils literal notranslate"><span class="pre">PrivateKey</span></code> instance already contain this flags.
For HEX or bytes public key only testnet flag has the meaning, comressed flag is determined
according to the length of key.</p>
</li>
<li><strong>compressed</strong> (optional) if set to True private key corresponding compressed public key,
by default set to True. Recommended use only compressed public key.</li>
<li><strong>testnet</strong> (optional) if set to True mean that this private key for testnet Bitcoin network.</li>
</ul>
</td>
</tr>
</tbody>
</table>
<dl class="attribute">
<dt id="pybtc.PublicKey.compressed">
<code class="descname">compressed</code><a class="headerlink" href="#pybtc.PublicKey.compressed" title="Permalink to this definition"></a></dt>
<dd><p>flag for compressed type of corresponding public key (boolean)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.PublicKey.hex">
<code class="descname">hex</code><a class="headerlink" href="#pybtc.PublicKey.hex" title="Permalink to this definition"></a></dt>
<dd><p>public key in HEX (string)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.PublicKey.key">
<code class="descname">key</code><a class="headerlink" href="#pybtc.PublicKey.key" title="Permalink to this definition"></a></dt>
<dd><p>public key in bytes (bytes)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.PublicKey.testnet">
<code class="descname">testnet</code><a class="headerlink" href="#pybtc.PublicKey.testnet" title="Permalink to this definition"></a></dt>
<dd><p>flag for testnet network private key (boolean)</p>
</dd></dl>
</dd></dl>
<div class="line-block">
<div class="line"><br /></div>
<div class="line"><br /></div>
</div>
<dl class="class">
<dt id="pybtc.Address">
<em class="property">class </em><code class="descclassname">pybtc.</code><code class="descname">Address</code><span class="sig-paren">(</span><em>key=None</em>, <em>address_type='P2WPKH'</em>, <em>testnet=False</em>, <em>compressed=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/address.html#Address"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.Address" title="Permalink to this definition"></a></dt>
<dd><p>The class for Address object.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>key</strong> <p>(optional) one of this types allowed:</p>
<ul>
<li>private key WIF format</li>
<li>instance of <code class="docutils literal notranslate"><span class="pre">PrivateKey</span></code></li>
<li>private key HEX encoded string</li>
<li>instance of <code class="docutils literal notranslate"><span class="pre">PublicKey</span></code></li>
</ul>
<p>In case no key specified new Address will be created with random keys.</p>
</li>
<li><strong>address_type</strong> (optional) P2PKH, PUBKEY, P2WPKH, P2SH_P2WPKH, by default P2WPKH.</li>
<li><strong>compressed</strong> (optional) if set to True private key corresponding compressed public key,
by default set to True. Recommended use only compressed public key.</li>
<li><strong>testnet</strong> (optional) if set to True mean that this private key for testnet Bitcoin network.</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>In case instanse is created from WIF private key, <code class="docutils literal notranslate"><span class="pre">PrivateKey</span></code> or <code class="docutils literal notranslate"><span class="pre">PublicKey</span></code> compressed and testnet flags
already contain in initial key parameter and will be ignored.</p>
<dl class="attribute">
<dt id="pybtc.Address.address">
<code class="descname">address</code><a class="headerlink" href="#pybtc.Address.address" title="Permalink to this definition"></a></dt>
<dd><p>address in base58 or bech32 encoding (string)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.hash">
<code class="descname">hash</code><a class="headerlink" href="#pybtc.Address.hash" title="Permalink to this definition"></a></dt>
<dd><p>address hash</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.hash_hex">
<code class="descname">hash_hex</code><a class="headerlink" href="#pybtc.Address.hash_hex" title="Permalink to this definition"></a></dt>
<dd><p>address hash HEX (string)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.private_key">
<code class="descname">private_key</code><a class="headerlink" href="#pybtc.Address.private_key" title="Permalink to this definition"></a></dt>
<dd><p>instance of <code class="docutils literal notranslate"><span class="pre">PrivateKey</span></code> class</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.public_key">
<code class="descname">public_key</code><a class="headerlink" href="#pybtc.Address.public_key" title="Permalink to this definition"></a></dt>
<dd><p>instance of <code class="docutils literal notranslate"><span class="pre">PublicKey</span></code> class</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.redeem_script">
<code class="descname">redeem_script</code><a class="headerlink" href="#pybtc.Address.redeem_script" title="Permalink to this definition"></a></dt>
<dd><p>redeeem script, only for P2SH_P2WPKH (bytes)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.redeem_script_hex">
<code class="descname">redeem_script_hex</code><a class="headerlink" href="#pybtc.Address.redeem_script_hex" title="Permalink to this definition"></a></dt>
<dd><p>redeeem script HEX, only for P2SH_P2WPKH (string)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.script_hash">
<code class="descname">script_hash</code><a class="headerlink" href="#pybtc.Address.script_hash" title="Permalink to this definition"></a></dt>
<dd><p>flag for script hash address (boolean)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.testnet">
<code class="descname">testnet</code><a class="headerlink" href="#pybtc.Address.testnet" title="Permalink to this definition"></a></dt>
<dd><p>flag for testnet network address (boolean)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.type">
<code class="descname">type</code><a class="headerlink" href="#pybtc.Address.type" title="Permalink to this definition"></a></dt>
<dd><p>flag for testnet network address (boolean)</p>
</dd></dl>
<dl class="attribute">
<dt id="pybtc.Address.witness_version">
<code class="descname">witness_version</code><a class="headerlink" href="#pybtc.Address.witness_version" title="Permalink to this definition"></a></dt>
<dd><p>version of witness program for SEGWIT address (string)</p>
</dd></dl>
</dd></dl>
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<div class="section" id="examples">
<h1>Examples<a class="headerlink" href="#examples" title="Permalink to this headline"></a></h1>
<div class="section" id="create-address">
<h2>Create address<a class="headerlink" href="#create-address" title="Permalink to this headline"></a></h2>
<p>This is example of usage Address class. The address class implements the work with addresses controlled by a private key.
Supports the ability to create P2WPKH, P2PKH, PUBKEY address types and P2SH_P2WPKH as exception for SEGWIT adoption.
It is recommended to use native SEGWIT address type - P2WPKH, which reduces costs of miner fee and expand block capacity.
To create an address, you need to create a class object. Buy default,
will be created P2WPKH address for mainnet.</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>&gt;&gt;&gt; import pybtc
&gt;&gt;&gt; <span class="nv">a</span> <span class="o">=</span> pybtc.Address<span class="o">()</span>
&gt;&gt;&gt; a.address
<span class="s1">&#39;bc1q6cxx5t8xkruz3s5khx7923xvsx5ry4c6p74m5s&#39;</span>
&gt;&gt;&gt; a.private_key.wif
<span class="s1">&#39;L5XKGA2xEHcinWEpmyiABS1bqQux8Av5dGVqcpRtVJC3ZCR5sXUe&#39;</span>
&gt;&gt;&gt;
&gt;&gt;&gt; <span class="c1"># create P2PKH legacy format</span>
&gt;&gt;&gt; pybtc.Address<span class="o">(</span><span class="nv">address_type</span><span class="o">=</span><span class="s2">&quot;P2PKH&quot;</span><span class="o">)</span>.address
<span class="s1">&#39;1ChpKurzFhdCULKaNHCc3Ra9KfxM2LRguw&#39;</span>
&gt;&gt;&gt;
&gt;&gt;&gt; <span class="c1"># create testnet address</span>
&gt;&gt;&gt; pybtc.Address<span class="o">(</span><span class="nv">address_type</span><span class="o">=</span><span class="s2">&quot;P2PKH&quot;</span>, <span class="nv">testnet</span><span class="o">=</span>True<span class="o">)</span>.address
<span class="s1">&#39;mpR4hDfu269yxgZtPVYSD21gtpvdxpTmH6&#39;</span>
&gt;&gt;&gt;
&gt;&gt;&gt; <span class="c1"># create P2SH_P2WPKH SEGWIT adoption address</span>
&gt;&gt;&gt; pybtc.Address<span class="o">(</span><span class="nv">address_type</span><span class="o">=</span><span class="s2">&quot;P2SH_P2WPKH&quot;</span><span class="o">)</span>.address
<span class="s1">&#39;3Bqeq3XqL6azMK3BxNyr8vXgXUtoG63J4T&#39;</span>
&gt;&gt;&gt;
</pre></div>
</div>
</div>
<div class="section" id="get-address-from-key">
<h2>Get address from key<a class="headerlink" href="#get-address-from-key" title="Permalink to this headline"></a></h2>
<p>In case you already have private or public key you can object from your key.</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>&gt;&gt;&gt; <span class="nv">a</span> <span class="o">=</span> pybtc.Address<span class="o">(</span><span class="s1">&#39;L5XKGA2xEHcinWEpmyiABS1bqQux8Av5dGVqcpRtVJC3ZCR5sXUe&#39;</span><span class="o">)</span>
&gt;&gt;&gt; a.address
<span class="s1">&#39;bc1q6cxx5t8xkruz3s5khx7923xvsx5ry4c6p74m5s&#39;</span>
&gt;&gt;&gt; a.public_key.hex
<span class="s1">&#39;03b8b44876e1f45be7e42953ea47026c39cc45341344d3ab32701b93de696107af&#39;</span>
&gt;&gt;&gt;
&gt;&gt;&gt; <span class="c1"># get address from public key</span>
&gt;&gt;&gt; <span class="nv">pub</span> <span class="o">=</span> pybtc.PublicKey<span class="o">(</span><span class="s1">&#39;03b8b44876e1f45be7e42953ea47026c39cc45341344d3ab32701b93de696107af&#39;</span><span class="o">)</span>
&gt;&gt;&gt;
&gt;&gt;&gt; pybtc.Address<span class="o">(</span>pub<span class="o">)</span>.address
<span class="s1">&#39;bc1q6cxx5t8xkruz3s5khx7923xvsx5ry4c6p74m5s&#39;</span>
&gt;&gt;&gt;
</pre></div>
</div>
</div>
<div class="section" id="pure-functions-for-address">
<h2>Pure functions for address<a class="headerlink" href="#pure-functions-for-address" title="Permalink to this headline"></a></h2>
<p>Create private key</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>&gt;&gt;&gt; import pybtc
&gt;&gt;&gt; pybtc.create_private_key<span class="o">()</span>
<span class="s1">&#39;KyvZYvdzWD4JSPFt4wXwjG53as227zT2qiWbMTicZEUSjiwvbEqi&#39;</span>
&gt;&gt;&gt;
&gt;&gt;&gt; pybtc.create_private_key<span class="o">(</span><span class="nv">compressed</span><span class="o">=</span>False<span class="o">)</span>
<span class="s1">&#39;5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381HWuHvPGirJto9ZTnr&#39;</span>
&gt;&gt;&gt;
&gt;&gt;&gt; pybtc.is_wif_valid<span class="o">(</span><span class="s1">&#39;5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381HWuHvPGirJto9ZTnr&#39;</span><span class="o">)</span>
True
&gt;&gt;&gt; pybtc.is_wif_valid<span class="o">(</span><span class="s1">&#39;5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381**********Jto9ZTnr&#39;</span><span class="o">)</span>
False
&gt;&gt;&gt;
</pre></div>
</div>
<p>Get public key from private key</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>&gt;&gt;&gt; import pybtc
&gt;&gt;&gt; pybtc.private_to_public_key<span class="o">(</span><span class="s1">&#39;5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381HWuHvPGirJto9ZTnr&#39;</span><span class="o">)</span>
<span class="s1">&#39;0479f17a94410afd4f27588a192bacada53add0741765092dc0f8e2a29ea1bcd276dbc1ef74c3e0172d9db8047f2a0a5dc2e8e51a13f7f0cc072de906b765e0f7f&#39;</span>
&gt;&gt;&gt;
&gt;&gt;&gt; pybtc.public_key_to_address<span class="o">(</span><span class="s1">&#39;0479f17a94410afd4f27588a192bacada53add0741765092dc0f8e2a29ea1bcd276dbc1ef74c3e0172d9db8047f2a0a5dc2e8e51a13f7f0cc072de906b765e0f7f&#39;</span><span class="o">)</span>
&gt;&gt;&gt;
&gt;&gt;&gt; <span class="c1"># this is uncompressed public key, so we can&#39;t create witness address</span>
&gt;&gt;&gt; <span class="c1"># we have to set witness_version to None to get non segwit address</span>
&gt;&gt;&gt; <span class="nv">pub</span> <span class="o">=</span> pybtc.private_to_public_key<span class="o">(</span><span class="s1">&#39;5Jw8DY1uBrd35xup6eD6KLEFa4AJFbX381HWuHvPGirJto9ZTnr&#39;</span><span class="o">)</span>
&gt;&gt;&gt; pybtc.public_key_to_address<span class="o">(</span>pub, <span class="nv">witness_version</span><span class="o">=</span>None<span class="o">)</span>
<span class="s1">&#39;17mXwxxZRmj1nJJzDszZbW9URSAradEuAt&#39;</span>
&gt;&gt;&gt;
</pre></div>
</div>
<p>Tools</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>&gt;&gt;&gt; pybtc.is_address_valid<span class="o">(</span><span class="s1">&#39;17mXwxxZRmj1nJJzDszZbW9URSAradEuAt&#39;</span><span class="o">)</span>
True
&gt;&gt;&gt; pybtc.address_type<span class="o">(</span><span class="s1">&#39;17mXwxxZRmj1nJJzDszZbW9URSAradEuAt&#39;</span><span class="o">)</span>
<span class="s1">&#39;P2PKH&#39;</span>
&gt;&gt;&gt; pybtc.address_net_type<span class="o">(</span><span class="s1">&#39;17mXwxxZRmj1nJJzDszZbW9URSAradEuAt&#39;</span><span class="o">)</span>
<span class="s1">&#39;mainnet&#39;</span>
&gt;&gt;&gt;
</pre></div>
</div>
</div>
<div class="section" id="create-script-address">
<h2>Create script address<a class="headerlink" href="#create-script-address" title="Permalink to this headline"></a></h2>
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<div class="section" id="pure-functions-reference">
<h1>Pure functions reference<a class="headerlink" href="#pure-functions-reference" title="Permalink to this headline"></a></h1>
<p>Base function primitives implemented in functional programming paradigm.</p>
<div class="section" id="private-keys">
<h2>Private keys<a class="headerlink" href="#private-keys" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="pybtc.create_private_key">
<code class="descclassname">pybtc.</code><code class="descname">create_private_key</code><span class="sig-paren">(</span><em>compressed=True</em>, <em>testnet=False</em>, <em>wif=True</em>, <em>hex=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#create_private_key"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.create_private_key" title="Permalink to this definition"></a></dt>
<dd><p>Create private key</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>compressed</strong> (optional) Type of public key, by default set to compressed.
Using uncompressed public keys is deprecated in new SEGWIT addresses,
use this option only for backward compatibility.</li>
<li><strong>testnet</strong> (optional) flag for testnet network, by default is False.</li>
<li><strong>wif</strong> (optional) If set to True return key in WIF format, by default is True.</li>
<li><strong>hex</strong> (optional) If set to True return key in HEX format, by default is False.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">Private key in wif format (default), hex encoded byte string in case of hex flag or
raw bytes string in case wif and hex flags set to False.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.private_key_to_wif">
<code class="descclassname">pybtc.</code><code class="descname">private_key_to_wif</code><span class="sig-paren">(</span><em>h</em>, <em>compressed=True</em>, <em>testnet=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#private_key_to_wif"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.private_key_to_wif" title="Permalink to this definition"></a></dt>
<dd><p>Encode private key in HEX or RAW bytes format to WIF format.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>h</strong> private key 32 byte string or HEX encoded string.</li>
<li><strong>compressed</strong> (optional) flag of public key compressed format, by default set to True.</li>
<li><strong>testnet</strong> (optional) flag for testnet network, by default is False.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">Private key in WIF format.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.wif_to_private_key">
<code class="descclassname">pybtc.</code><code class="descname">wif_to_private_key</code><span class="sig-paren">(</span><em>h</em>, <em>hex=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#wif_to_private_key"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.wif_to_private_key" title="Permalink to this definition"></a></dt>
<dd><p>Decode WIF private key to bytes string or HEX encoded string</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>hex</strong> (optional) if set to True return key in HEX format, by default is True.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">Private key HEX encoded string or raw bytes string.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.is_wif_valid">
<code class="descclassname">pybtc.</code><code class="descname">is_wif_valid</code><span class="sig-paren">(</span><em>wif</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#is_wif_valid"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.is_wif_valid" title="Permalink to this definition"></a></dt>
<dd><p>Check is private key in WIF format string is valid.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>wif</strong> private key in WIF format string.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">boolean.</td>
</tr>
</tbody>
</table>
</dd></dl>
</div>
<div class="section" id="public-keys">
<h2>Public keys<a class="headerlink" href="#public-keys" title="Permalink to this headline"></a></h2>
<div class="admonition warning">
<p class="first admonition-title">Warning</p>
<p class="last">Using uncompressed public keys is
<a class="reference external" href="https://github.com/bitcoin/bips/blob/master/bip-0143.mediawiki#restrictions-on-public-key-type">deprecated</a>
in a new SEGWIT address format.
To avoid potential future funds loss, users MUST NOT use uncompressed keys
in version 0 witness programs. Use uncompressed keys only for backward
compatibilitylegacy in legacy address format (PUBKEY, P2PKH).</p>
</div>
<dl class="function">
<dt id="pybtc.private_to_public_key">
<code class="descclassname">pybtc.</code><code class="descname">private_to_public_key</code><span class="sig-paren">(</span><em>private_key</em>, <em>compressed=True</em>, <em>hex=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#private_to_public_key"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.private_to_public_key" title="Permalink to this definition"></a></dt>
<dd><p>Get public key from private key using ECDSA secp256k1</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>private_key</strong> private key in WIF, HEX or bytes.</li>
<li><strong>compressed</strong> (optional) flag of public key compressed format, by default set to True.
In case private_key in WIF format, this flag is set in accordance with
the key format specified in WIF string.</li>
<li><strong>hex</strong> (optional) if set to True return key in HEX format, by default is True.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">33/65 bytes public key in HEX or bytes string.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.is_public_key_valid">
<code class="descclassname">pybtc.</code><code class="descname">is_public_key_valid</code><span class="sig-paren">(</span><em>key</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#is_public_key_valid"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.is_public_key_valid" title="Permalink to this definition"></a></dt>
<dd><p>Check public key is valid.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>key</strong> public key in HEX or bytes string format.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">boolean.</td>
</tr>
</tbody>
</table>
</dd></dl>
</div>
<div class="section" id="addresses">
<h2>Addresses<a class="headerlink" href="#addresses" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="pybtc.hash_to_address">
<code class="descclassname">pybtc.</code><code class="descname">hash_to_address</code><span class="sig-paren">(</span><em>address_hash</em>, <em>testnet=False</em>, <em>script_hash=False</em>, <em>witness_version=0</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#hash_to_address"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.hash_to_address" title="Permalink to this definition"></a></dt>
<dd><p>Get address from public key/script hash. In case PUBKEY, P2PKH, P2PKH public key/script hash is SHA256+RIPEMD160,
P2WSH script hash is SHA256.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>address_hash</strong> public key hash or script hash in HEX or bytes string format.</li>
<li><strong>testnet</strong> (optional) flag for testnet network, by default is False.</li>
<li><strong>script_hash</strong> (optional) flag for script hash (P2SH address), by default is False.</li>
<li><strong>witness_version</strong> (optional) witness program version, by default is 0, for legacy
address format use None.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">address in base58 or bech32 format.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.address_to_hash">
<code class="descclassname">pybtc.</code><code class="descname">address_to_hash</code><span class="sig-paren">(</span><em>address</em>, <em>hex=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#address_to_hash"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.address_to_hash" title="Permalink to this definition"></a></dt>
<dd><p>Get address hash from base58 or bech32 address format.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>address</strong> address in base58 or bech32 format.</li>
<li><strong>hex</strong> (optional) If set to True return key in HEX format, by default is True.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">script in HEX or bytes string.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.public_key_to_address">
<code class="descclassname">pybtc.</code><code class="descname">public_key_to_address</code><span class="sig-paren">(</span><em>pubkey</em>, <em>testnet=False</em>, <em>p2sh_p2wpkh=False</em>, <em>witness_version=0</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#public_key_to_address"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.public_key_to_address" title="Permalink to this definition"></a></dt>
<dd><p>Get address from public key/script hash. In case PUBKEY, P2PKH, P2PKH public key/script hash is SHA256+RIPEMD160,
P2WSH script hash is SHA256.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>pubkey</strong> public key HEX or bytes string format.</li>
<li><strong>testnet</strong> (optional) flag for testnet network, by default is False.</li>
<li><strong>p2sh_p2wpkh</strong> (optional) flag for P2WPKH inside P2SH address, by default is False.</li>
<li><strong>witness_version</strong> (optional) witness program version, by default is 0, for legacy
address format use None.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">address in base58 or bech32 format.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.address_type">
<code class="descclassname">pybtc.</code><code class="descname">address_type</code><span class="sig-paren">(</span><em>address</em>, <em>num=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#address_type"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.address_type" title="Permalink to this definition"></a></dt>
<dd><p>Get address type.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>address</strong> address in base58 or bech32 format.</li>
<li><strong>num</strong> (optional) If set to True return type in numeric format, by default is False.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">address type in string or numeric format.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.address_to_script">
<code class="descclassname">pybtc.</code><code class="descname">address_to_script</code><span class="sig-paren">(</span><em>address</em>, <em>hex=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#address_to_script"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.address_to_script" title="Permalink to this definition"></a></dt>
<dd><p>Get public key script from address.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>address</strong> address in base58 or bech32 format.</li>
<li><strong>hex</strong> (optional) If set to True return key in HEX format, by default is True.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">public key script in HEX or bytes string.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.is_address_valid">
<code class="descclassname">pybtc.</code><code class="descname">is_address_valid</code><span class="sig-paren">(</span><em>address</em>, <em>testnet=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#is_address_valid"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.is_address_valid" title="Permalink to this definition"></a></dt>
<dd><p>Check is address valid.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>address</strong> address in base58 or bech32 format.</li>
<li><strong>testnet</strong> (optional) flag for testnet network, by default is False.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">boolean.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
</div>
<div class="section" id="script">
<h2>Script<a class="headerlink" href="#script" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="pybtc.decode_script">
<code class="descclassname">pybtc.</code><code class="descname">decode_script</code><span class="sig-paren">(</span><em>script</em>, <em>asm=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#decode_script"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.decode_script" title="Permalink to this definition"></a></dt>
<dd><p>Decode script to ASM format or to human readable OPCODES string.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>script</strong> script in bytes string or HEX encoded string format.</li>
<li><strong>asm</strong> (optional) If set to True decode to ASM fromat, by default set to False.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">script in ASM format string or OPCODES string.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.parse_script">
<code class="descclassname">pybtc.</code><code class="descname">parse_script</code><span class="sig-paren">(</span><em>script</em>, <em>segwit=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#parse_script"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.parse_script" title="Permalink to this definition"></a></dt>
<dd><p>Parse script and return script type, script address and required signatures count.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>script</strong> script in bytes string or HEX encoded string format.</li>
<li><strong>segwit</strong> (optional) If set to True recognize P2WPKH and P2WSH sripts, by default set to True.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last"><p>dictionary:</p>
<ul class="simple">
<li>nType - numeric script type</li>
<li>type - script type</li>
<li>addressHash - address hash in case address recognized</li>
<li>script - script if no address recognized</li>
<li>reqSigs - required signatures count</li>
</ul>
</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.delete_from_script">
<code class="descclassname">pybtc.</code><code class="descname">delete_from_script</code><span class="sig-paren">(</span><em>script</em>, <em>sub_script</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#delete_from_script"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.delete_from_script" title="Permalink to this definition"></a></dt>
<dd><p>Decode OPCODE or subscript from script.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>script</strong> traget script in bytes or HEX encoded string.</li>
<li><strong>sub_script</strong> sub_script which is necessary to remove from target script in bytes or HEX encoded string.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">script in bytes or HEX encoded string corresponding to the format of target script.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.script_to_hash">
<code class="descclassname">pybtc.</code><code class="descname">script_to_hash</code><span class="sig-paren">(</span><em>script</em>, <em>witness=False</em>, <em>hex=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#script_to_hash"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.script_to_hash" title="Permalink to this definition"></a></dt>
<dd><p>Encode script to hash HASH160 or SHA256 in dependency of the witness.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>script</strong> script in bytes or HEX encoded string.</li>
<li><strong>witness</strong> (optional) If set to True return SHA256 hash for P2WSH, by default is False.</li>
<li><strong>hex</strong> (optional) If set to True return key in HEX format, by default is True.</li>
<li><strong>sub_script</strong> sub_script which is necessary to remove from target script in bytes or HEX encoded string.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">script in bytes or HEX encoded string corresponding to the format of target script.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
</div>
<div class="section" id="signatures">
<h2>Signatures<a class="headerlink" href="#signatures" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="pybtc.verify_signature">
<code class="descclassname">pybtc.</code><code class="descname">verify_signature</code><span class="sig-paren">(</span><em>sig</em>, <em>pub_key</em>, <em>msg</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#verify_signature"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.verify_signature" title="Permalink to this definition"></a></dt>
<dd><p>Verify signature for message and given public key</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>sig</strong> signature in bytes or HEX encoded string.</li>
<li><strong>pub_key</strong> public key in bytes or HEX encoded string.</li>
<li><strong>msg</strong> message in bytes or HEX encoded string.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">boolean.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.sign_message">
<code class="descclassname">pybtc.</code><code class="descname">sign_message</code><span class="sig-paren">(</span><em>msg</em>, <em>private_key</em>, <em>hex=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#sign_message"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.sign_message" title="Permalink to this definition"></a></dt>
<dd><p>Sign message</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>msg</strong> message to sign bytes or HEX encoded string.</li>
<li><strong>private_key</strong> private key (bytes, hex encoded string or WIF format)</li>
<li><strong>hex</strong> (optional) If set to True return key in HEX format, by default is True.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">DER encoded signature in bytes or HEX encoded string.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.is_valid_signature_encoding">
<code class="descclassname">pybtc.</code><code class="descname">is_valid_signature_encoding</code><span class="sig-paren">(</span><em>sig</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#is_valid_signature_encoding"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.is_valid_signature_encoding" title="Permalink to this definition"></a></dt>
<dd><p>Check is valid signature encoded in DER format</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>sig</strong> signature in bytes or HEX encoded string.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">boolean.</td>
</tr>
</tbody>
</table>
</dd></dl>
</div>
<div class="section" id="hash-encoding">
<h2>Hash encoding<a class="headerlink" href="#hash-encoding" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="pybtc.rh2s">
<code class="descclassname">pybtc.</code><code class="descname">rh2s</code><span class="sig-paren">(</span><em>raw_hash</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#rh2s"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.rh2s" title="Permalink to this definition"></a></dt>
<dd><p>Encode raw transaction hash to HEX string with bytes order change</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>raw_hash</strong> transaction hash in bytes string.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">HEX encoded string.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.s2rh">
<code class="descclassname">pybtc.</code><code class="descname">s2rh</code><span class="sig-paren">(</span><em>hash_string</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#s2rh"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.s2rh" title="Permalink to this definition"></a></dt>
<dd><p>Decode HEX transaction hash to bytes with byte order change</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>raw_hash</strong> transaction hash in bytes string.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">bytes string.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.reverse_hash">
<code class="descclassname">pybtc.</code><code class="descname">reverse_hash</code><span class="sig-paren">(</span><em>raw_hash</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#reverse_hash"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.reverse_hash" title="Permalink to this definition"></a></dt>
<dd><p>Reverse hash order</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>raw_hash</strong> bytes string.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">bytes string.</td>
</tr>
</tbody>
</table>
</dd></dl>
</div>
<div class="section" id="merkle-root">
<h2>Merkle root<a class="headerlink" href="#merkle-root" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="pybtc.merkle_root">
<code class="descclassname">pybtc.</code><code class="descname">merkle_root</code><span class="sig-paren">(</span><em>tx_hash_list</em>, <em>hex=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#merkle_root"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.merkle_root" title="Permalink to this definition"></a></dt>
<dd><p>Calculate merkle root from transaction hash list</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>tx_hash_list</strong> list of transaction hashes in bytes or HEX encoded string.</li>
<li><strong>hex</strong> (optional) If set to True return result in HEX format, by default is True.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">merkle root in bytes or HEX encoded string corresponding hex flag.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.merkle_branches">
<code class="descclassname">pybtc.</code><code class="descname">merkle_branches</code><span class="sig-paren">(</span><em>tx_hash_list</em>, <em>hex=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#merkle_branches"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.merkle_branches" title="Permalink to this definition"></a></dt>
<dd><p>Calculate merkle branches for coinbase transacton</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>tx_hash_list</strong> list of transaction hashes in bytes or HEX encoded string.</li>
<li><strong>hex</strong> (optional) If set to True return result in HEX format, by default is True.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">list of merkle branches in bytes or HEX encoded string corresponding hex flag.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.merkleroot_from_branches">
<code class="descclassname">pybtc.</code><code class="descname">merkleroot_from_branches</code><span class="sig-paren">(</span><em>merkle_branches</em>, <em>coinbase_hash</em>, <em>hex=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#merkleroot_from_branches"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.merkleroot_from_branches" title="Permalink to this definition"></a></dt>
<dd><p>Calculate merkle root from merkle branches and coinbase transacton hash</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>merkle_branches</strong> list merkle branches in bytes or HEX encoded string.</li>
<li><strong>coinbase_hash</strong> list coinbase transaction hash in bytes or HEX encoded string.</li>
<li><strong>hex</strong> (optional) If set to True return result in HEX format, by default is True.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">merkle root in bytes or HEX encoded string corresponding hex flag.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
</div>
<div class="section" id="difficulty">
<h2>Difficulty<a class="headerlink" href="#difficulty" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="pybtc.bits_to_target">
<code class="descclassname">pybtc.</code><code class="descname">bits_to_target</code><span class="sig-paren">(</span><em>bits</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#bits_to_target"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.bits_to_target" title="Permalink to this definition"></a></dt>
<dd><p>Calculate target from bits</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>bits</strong> HEX string, bytes string or integer representation of bits.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">integer.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.target_to_difficulty">
<code class="descclassname">pybtc.</code><code class="descname">target_to_difficulty</code><span class="sig-paren">(</span><em>target</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#target_to_difficulty"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.target_to_difficulty" title="Permalink to this definition"></a></dt>
<dd><p>Calculate difficulty from target</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>target</strong> integer.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">float.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.bits_to_difficulty">
<code class="descclassname">pybtc.</code><code class="descname">bits_to_difficulty</code><span class="sig-paren">(</span><em>bits</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#bits_to_difficulty"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.bits_to_difficulty" title="Permalink to this definition"></a></dt>
<dd><p>Calculate difficulty from bits</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>bits</strong> HEX string, bytes string or integer representation of bits.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">integer.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.difficulty_to_target">
<code class="descclassname">pybtc.</code><code class="descname">difficulty_to_target</code><span class="sig-paren">(</span><em>difficulty</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#difficulty_to_target"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.difficulty_to_target" title="Permalink to this definition"></a></dt>
<dd><p>Calculate target from difficulty</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>target</strong> integer.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">float.</td>
</tr>
</tbody>
</table>
</dd></dl>
</div>
<div class="section" id="tools">
<h2>Tools<a class="headerlink" href="#tools" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="pybtc.bytes_needed">
<code class="descclassname">pybtc.</code><code class="descname">bytes_needed</code><span class="sig-paren">(</span><em>n</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#bytes_needed"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.bytes_needed" title="Permalink to this definition"></a></dt>
<dd><p>Calculate bytes needed to convert integer to bytes.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>n</strong> integer.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">integer.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.int_to_bytes">
<code class="descclassname">pybtc.</code><code class="descname">int_to_bytes</code><span class="sig-paren">(</span><em>i</em>, <em>byteorder='big'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#int_to_bytes"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.int_to_bytes" title="Permalink to this definition"></a></dt>
<dd><p>Convert integer to bytes.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>n</strong> integer.</li>
<li><strong>byteorder</strong> (optional) byte order big or little, by default big.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">bytes.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.bytes_to_int">
<code class="descclassname">pybtc.</code><code class="descname">bytes_to_int</code><span class="sig-paren">(</span><em>i</em>, <em>byteorder='big'</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#bytes_to_int"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.bytes_to_int" title="Permalink to this definition"></a></dt>
<dd><p>Convert bytes to integer.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>i</strong> bytes.</li>
<li><strong>byteorder</strong> (optional) byte order big or little, by default big.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">integer.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.int_to_var_int">
<code class="descclassname">pybtc.</code><code class="descname">int_to_var_int</code><span class="sig-paren">(</span><em>i</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#int_to_var_int"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.int_to_var_int" title="Permalink to this definition"></a></dt>
<dd><p>Convert integer to variable integer</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>i</strong> integer.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">bytes.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.var_int_to_int">
<code class="descclassname">pybtc.</code><code class="descname">var_int_to_int</code><span class="sig-paren">(</span><em>data</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#var_int_to_int"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.var_int_to_int" title="Permalink to this definition"></a></dt>
<dd><p>Convert variable integer to integer</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>data</strong> bytes vriable integer.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">integer.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.var_int_len">
<code class="descclassname">pybtc.</code><code class="descname">var_int_len</code><span class="sig-paren">(</span><em>n</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#var_int_len"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.var_int_len" title="Permalink to this definition"></a></dt>
<dd><p>Get variable integer length in bytes from integer value</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>n</strong> integer.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">integer.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.get_var_int_len">
<code class="descclassname">pybtc.</code><code class="descname">get_var_int_len</code><span class="sig-paren">(</span><em>bytes</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#get_var_int_len"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.get_var_int_len" title="Permalink to this definition"></a></dt>
<dd><p>Get variable integer length in bytes from bytes</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>bytes</strong> bytes.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">integer.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.read_var_int">
<code class="descclassname">pybtc.</code><code class="descname">read_var_int</code><span class="sig-paren">(</span><em>stream</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#read_var_int"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.read_var_int" title="Permalink to this definition"></a></dt>
<dd><p>Read variable integer from io.BytesIO stream to bytes</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>stream</strong> io.BytesIO stream.</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">bytes.</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.read_var_list">
<code class="descclassname">pybtc.</code><code class="descname">read_var_list</code><span class="sig-paren">(</span><em>stream</em>, <em>data_type</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#read_var_list"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.read_var_list" title="Permalink to this definition"></a></dt>
<dd><p>Read variable integer list from io.BytesIO stream to bytes</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>stream</strong> io.BytesIO stream.</li>
<li><strong>data_type</strong> list data type.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">list of data_type.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.int_to_c_int">
<code class="descclassname">pybtc.</code><code class="descname">int_to_c_int</code><span class="sig-paren">(</span><em>n</em>, <em>base_bytes=1</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#int_to_c_int"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.int_to_c_int" title="Permalink to this definition"></a></dt>
<dd><p>Convert integer to compresed integer</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>n</strong> integer.</li>
<li><strong>base_bytes</strong> len of bytes base from which start compression.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">bytes.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.c_int_to_int">
<code class="descclassname">pybtc.</code><code class="descname">c_int_to_int</code><span class="sig-paren">(</span><em>b</em>, <em>base_bytes=1</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#c_int_to_int"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.c_int_to_int" title="Permalink to this definition"></a></dt>
<dd><p>Convert compressed integer bytes to integer</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>b</strong> compressed integer bytes.</li>
<li><strong>base_bytes</strong> len of bytes base from which start compression.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">integer.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="pybtc.c_int_len">
<code class="descclassname">pybtc.</code><code class="descname">c_int_len</code><span class="sig-paren">(</span><em>n</em>, <em>base_bytes=1</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/tools.html#c_int_len"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.c_int_len" title="Permalink to this definition"></a></dt>
<dd><p>Get length of compressed integer from integer value</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>n</strong> bytes.</li>
<li><strong>base_bytes</strong> len of bytes base from which start compression.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">integer.</p>
</td>
</tr>
</tbody>
</table>
</dd></dl>
</div>
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<h1 id="index">Index</h1>
<div class="genindex-jumpbox">
<a href="#A"><strong>A</strong></a>
| <a href="#B"><strong>B</strong></a>
| <a href="#C"><strong>C</strong></a>
| <a href="#D"><strong>D</strong></a>
| <a href="#G"><strong>G</strong></a>
| <a href="#H"><strong>H</strong></a>
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| <a href="#T"><strong>T</strong></a>
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| <a href="#W"><strong>W</strong></a>
</div>
<h2 id="A">A</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="address.html#pybtc.Address">Address (class in pybtc)</a>
</li>
<li><a href="address.html#pybtc.Address.address">address (pybtc.Address attribute)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.address_to_hash">address_to_hash() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.address_to_script">address_to_script() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.address_type">address_type() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="B">B</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.bits_to_difficulty">bits_to_difficulty() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.bits_to_target">bits_to_target() (in module pybtc)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="block.html#pybtc.Block">Block (class in pybtc)</a>
</li>
<li><a href="functional.html#pybtc.bytes_needed">bytes_needed() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.bytes_to_int">bytes_to_int() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="C">C</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.c_int_len">c_int_len() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.c_int_to_int">c_int_to_int() (in module pybtc)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="address.html#pybtc.PrivateKey.compressed">compressed (pybtc.PrivateKey attribute)</a>
<ul>
<li><a href="address.html#pybtc.PublicKey.compressed">(pybtc.PublicKey attribute)</a>
</li>
</ul></li>
<li><a href="functional.html#pybtc.create_private_key">create_private_key() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="D">D</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.decode_script">decode_script() (in module pybtc)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.delete_from_script">delete_from_script() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.difficulty_to_target">difficulty_to_target() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="G">G</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.get_var_int_len">get_var_int_len() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="H">H</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="address.html#pybtc.Address.hash">hash (pybtc.Address attribute)</a>
</li>
<li><a href="address.html#pybtc.Address.hash_hex">hash_hex (pybtc.Address attribute)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.hash_to_address">hash_to_address() (in module pybtc)</a>
</li>
<li><a href="address.html#pybtc.PrivateKey.hex">hex (pybtc.PrivateKey attribute)</a>
<ul>
<li><a href="address.html#pybtc.PublicKey.hex">(pybtc.PublicKey attribute)</a>
</li>
</ul></li>
</ul></td>
</tr></table>
<h2 id="I">I</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.int_to_bytes">int_to_bytes() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.int_to_c_int">int_to_c_int() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.int_to_var_int">int_to_var_int() (in module pybtc)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.is_address_valid">is_address_valid() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.is_public_key_valid">is_public_key_valid() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.is_valid_signature_encoding">is_valid_signature_encoding() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.is_wif_valid">is_wif_valid() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="K">K</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="address.html#pybtc.PrivateKey.key">key (pybtc.PrivateKey attribute)</a>
<ul>
<li><a href="address.html#pybtc.PublicKey.key">(pybtc.PublicKey attribute)</a>
</li>
</ul></li>
</ul></td>
</tr></table>
<h2 id="M">M</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.merkle_branches">merkle_branches() (in module pybtc)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.merkle_root">merkle_root() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.merkleroot_from_branches">merkleroot_from_branches() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="P">P</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.parse_script">parse_script() (in module pybtc)</a>
</li>
<li><a href="address.html#pybtc.Address.private_key">private_key (pybtc.Address attribute)</a>
</li>
<li><a href="functional.html#pybtc.private_key_to_wif">private_key_to_wif() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.private_to_public_key">private_to_public_key() (in module pybtc)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="address.html#pybtc.PrivateKey">PrivateKey (class in pybtc)</a>
</li>
<li><a href="address.html#pybtc.Address.public_key">public_key (pybtc.Address attribute)</a>
</li>
<li><a href="functional.html#pybtc.public_key_to_address">public_key_to_address() (in module pybtc)</a>
</li>
<li><a href="address.html#pybtc.PublicKey">PublicKey (class in pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="R">R</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.read_var_int">read_var_int() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.read_var_list">read_var_list() (in module pybtc)</a>
</li>
<li><a href="address.html#pybtc.Address.redeem_script">redeem_script (pybtc.Address attribute)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="address.html#pybtc.Address.redeem_script_hex">redeem_script_hex (pybtc.Address attribute)</a>
</li>
<li><a href="functional.html#pybtc.reverse_hash">reverse_hash() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.rh2s">rh2s() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="S">S</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.s2rh">s2rh() (in module pybtc)</a>
</li>
<li><a href="address.html#pybtc.Address.script_hash">script_hash (pybtc.Address attribute)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.script_to_hash">script_to_hash() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.sign_message">sign_message() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="T">T</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.target_to_difficulty">target_to_difficulty() (in module pybtc)</a>
</li>
<li><a href="address.html#pybtc.Address.testnet">testnet (pybtc.Address attribute)</a>
<ul>
<li><a href="address.html#pybtc.PrivateKey.testnet">(pybtc.PrivateKey attribute)</a>
</li>
<li><a href="address.html#pybtc.PublicKey.testnet">(pybtc.PublicKey attribute)</a>
</li>
</ul></li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="transaction.html#pybtc.Transaction">Transaction (class in pybtc)</a>
</li>
<li><a href="address.html#pybtc.Address.type">type (pybtc.Address attribute)</a>
</li>
</ul></td>
</tr></table>
<h2 id="V">V</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.var_int_len">var_int_len() (in module pybtc)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.var_int_to_int">var_int_to_int() (in module pybtc)</a>
</li>
<li><a href="functional.html#pybtc.verify_signature">verify_signature() (in module pybtc)</a>
</li>
</ul></td>
</tr></table>
<h2 id="W">W</h2>
<table style="width: 100%" class="indextable genindextable"><tr>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="address.html#pybtc.PrivateKey.wif">wif (pybtc.PrivateKey attribute)</a>
</li>
</ul></td>
<td style="width: 33%; vertical-align: top;"><ul>
<li><a href="functional.html#pybtc.wif_to_private_key">wif_to_private_key() (in module pybtc)</a>
</li>
<li><a href="address.html#pybtc.Address.witness_version">witness_version (pybtc.Address attribute)</a>
</li>
</ul></td>
</tr></table>
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<title>Welcome to PYBTC &#8212; pybtc documentation</title>
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<div class="section" id="welcome-to-pybtc">
<h1>Welcome to PYBTC<a class="headerlink" href="#welcome-to-pybtc" title="Permalink to this headline"></a></h1>
<p>Python library for Bitcoin.</p>
<p>Current version is .</p>
<div class="section" id="key-features">
<h2>Key Features<a class="headerlink" href="#key-features" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Supports addresses types PUBKEY, P2PKH, P2SH, P2SH-PWPKH, P2WPKH, P2WSH.</li>
<li>Supports BIP32(Hierarchical Deterministic Wallets), BIP39(Mnemonic code generation)</li>
<li>Supports BIP141(Segregated Witness)</li>
<li>Transaction constructor</li>
<li>Mining pool basic primitives</li>
</ul>
</div>
<div class="section" id="quick-library-installation">
<span id="aiohttp-installation"></span><h2>Quick library Installation<a class="headerlink" href="#quick-library-installation" title="Permalink to this headline"></a></h2>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ pip install pybtc
</pre></div>
</div>
</div>
<div class="section" id="getting-started">
<h2>Getting Started<a class="headerlink" href="#getting-started" title="Permalink to this headline"></a></h2>
<p>Usage example:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">pybtc</span>
<span class="n">a</span> <span class="o">=</span> <span class="n">pybtc</span><span class="o">.</span><span class="n">Address</span><span class="p">()</span>
<span class="nb">print</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">address</span><span class="p">)</span>
<span class="nb">print</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">private_key</span><span class="o">.</span><span class="n">wif</span><span class="p">())</span>
</pre></div>
</div>
</div>
<div class="section" id="what-s-new-in-pybtc-2-0">
<h2>Whats new in pybtc 2.0 ?<a class="headerlink" href="#what-s-new-in-pybtc-2-0" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Mnemonic code generation (BIP39)</li>
<li>Hierarchical Deterministic Wallets (BIP32)</li>
<li>Wallet class implemented acording BIP44</li>
<li>Imporved transaction deserialization perfomance</li>
</ul>
</div>
<div class="section" id="source-code">
<h2>Source code<a class="headerlink" href="#source-code" title="Permalink to this headline"></a></h2>
<p>The project is hosted on <a class="reference external" href="https://github.com/bitaps-com/pybtc">GitHub</a></p>
<p>Please feel free to file an issue on the <a class="reference external" href="https://github.com/bitaps-com/pybtc/issues">bug tracker</a> if you have found a bug
or have some suggestion in order to improve the library.</p>
</div>
<div class="section" id="dependencies">
<h2>Dependencies<a class="headerlink" href="#dependencies" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Python 3.3.3+</li>
<li><em>secp256k1</em></li>
</ul>
</div>
<div class="section" id="authors-and-license">
<h2>Authors and License<a class="headerlink" href="#authors-and-license" title="Permalink to this headline"></a></h2>
<p>The <code class="docutils literal notranslate"><span class="pre">pybtc</span></code> package was initially written by <a class="reference external" href="https://github.com/4tochka">Aleksey Karpov</a> and development continues with contributors.</p>
<p>Recent contributors:</p>
<ul class="simple">
<li><a class="reference external" href="https://github.com/4tochka">Aleksey Karpov</a></li>
<li><a class="reference external" href="https://github.com/mboxk3team">Aleksey Karybkin</a></li>
</ul>
<p>Its <em>GPL-3.0</em> licensed and freely available.</p>
<p>Feel free to improve this package and send a pull request to <a class="reference external" href="https://github.com/bitaps-com/pybtc">GitHub</a>.</p>
</div>
<div class="section" id="table-of-contents">
<h2>Table Of Contents<a class="headerlink" href="#table-of-contents" title="Permalink to this headline"></a></h2>
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<li class="toctree-l1"><a class="reference internal" href="installation.html">Installation</a><ul>
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</li>
<li class="toctree-l1"><a class="reference internal" href="examples.html">Examples</a><ul>
<li class="toctree-l2"><a class="reference internal" href="examples.html#create-address">Create address</a></li>
<li class="toctree-l2"><a class="reference internal" href="examples.html#get-address-from-key">Get address from key</a></li>
<li class="toctree-l2"><a class="reference internal" href="examples.html#pure-functions-for-address">Pure functions for address</a></li>
<li class="toctree-l2"><a class="reference internal" href="examples.html#create-script-address">Create script address</a></li>
</ul>
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<li class="toctree-l1"><a class="reference internal" href="classes.html">Reference</a><ul>
<li class="toctree-l2"><a class="reference internal" href="address.html">Addresses</a></li>
<li class="toctree-l2"><a class="reference internal" href="transaction.html">Transactions</a></li>
<li class="toctree-l2"><a class="reference internal" href="block.html">Blocks</a></li>
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<li class="toctree-l1"><a class="reference internal" href="functional.html">Pure functions reference</a><ul>
<li class="toctree-l2"><a class="reference internal" href="functional.html#private-keys">Private keys</a></li>
<li class="toctree-l2"><a class="reference internal" href="functional.html#public-keys">Public keys</a></li>
<li class="toctree-l2"><a class="reference internal" href="functional.html#addresses">Addresses</a></li>
<li class="toctree-l2"><a class="reference internal" href="functional.html#script">Script</a></li>
<li class="toctree-l2"><a class="reference internal" href="functional.html#signatures">Signatures</a></li>
<li class="toctree-l2"><a class="reference internal" href="functional.html#hash-encoding">Hash encoding</a></li>
<li class="toctree-l2"><a class="reference internal" href="functional.html#merkle-root">Merkle root</a></li>
<li class="toctree-l2"><a class="reference internal" href="functional.html#difficulty">Difficulty</a></li>
<li class="toctree-l2"><a class="reference internal" href="functional.html#tools">Tools</a></li>
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<h2>Get from pip package<a class="headerlink" href="#get-from-pip-package" title="Permalink to this headline"></a></h2>
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<p>You can clone the public repository:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ git clone git://github.com/bitaps-com/pybtc
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<p>Once you have a copy of the source, you can embed it in your own Python package, or install it into your site-packages easily:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ <span class="nb">cd</span> pybtc
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<p>The class for creating transaction.</p>
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<dt id="pybtc.Transaction">
<em class="property">class </em><code class="descclassname">pybtc.</code><code class="descname">Transaction</code><span class="sig-paren">(</span><em>raw_tx=None</em>, <em>tx_format='decoded'</em>, <em>version=1</em>, <em>lockTime=0</em>, <em>testnet=False</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pybtc/transaction.html#Transaction"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pybtc.Transaction" title="Permalink to this definition"></a></dt>
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