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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>
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