146 lines
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146 lines
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<h1>Source code for pybtc.block</h1><div class="highlight"><pre>
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<span></span><span class="kn">from</span> <span class="nn">.tools</span> <span class="k">import</span> <span class="o">*</span>
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<span class="kn">from</span> <span class="nn">.transaction</span> <span class="k">import</span> <span class="n">Transaction</span>
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<span class="kn">from</span> <span class="nn">struct</span> <span class="k">import</span> <span class="n">pack</span><span class="p">,</span> <span class="n">unpack</span>
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<div class="viewcode-block" id="Block"><a class="viewcode-back" href="../../block.html#pybtc.Block">[docs]</a><span class="k">class</span> <span class="nc">Block</span><span class="p">(</span><span class="nb">dict</span><span class="p">):</span>
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<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">block</span><span class="p">):</span>
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<span class="n">s</span> <span class="o">=</span> <span class="n">get_stream</span><span class="p">(</span><span class="n">block</span><span class="p">)</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"header"</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">80</span><span class="p">)</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"hash"</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">"header"</span><span class="p">])</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"version"</span><span class="p">]</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s2">"<L"</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"previousBlockHash"</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">32</span><span class="p">)</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"merkleRoot"</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">32</span><span class="p">)</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"time"</span><span class="p">]</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s2">"<L"</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"bits"</span><span class="p">]</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">),</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"nonce"</span><span class="p">]</span> <span class="o">=</span> <span class="n">unpack</span><span class="p">(</span><span class="s2">"<L"</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span>
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<span class="n">s</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="o">-</span><span class="mi">80</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
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<span class="c1"># self["tx"] = {i: Transaction(s)</span>
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<span class="c1"># for i in range(var_int_to_int(read_var_int(s)))}</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"weight"</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"size"</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"strippedSize"</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"height"</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"difficulty"</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"targetDifficulty"</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="bp">self</span><span class="p">[</span><span class="s2">"target"</span><span class="p">]</span> <span class="o">=</span> <span class="mi">0</span></div>
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