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<a href="blockstore_8py.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"><a class="line" href="namespacetest__framework_1_1blockstore.html"> 1</a></span> <span class="comment"># BlockStore: a helper class that keeps a map of blocks and implements</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"># helper functions for responding to getheaders and getdata,</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"># and for constructing a getheaders message</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">#</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="keyword">from</span> .mininode <span class="keyword">import</span> *</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="keyword">import</span> dbm</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="keyword">from</span> io <span class="keyword">import</span> BytesIO</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html"> 10</a></span> <span class="keyword">class </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html">BlockStore</a>(object):</div><div class="line"><a name="l00011"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#adc08f8ef013deb607fde72b3bb976dba"> 11</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#adc08f8ef013deb607fde72b3bb976dba">__init__</a>(self, datadir):</div><div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a6b2427a286b5763a4e9f49f161aa75c7"> 12</a></span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a6b2427a286b5763a4e9f49f161aa75c7">blockDB</a> = dbm.open(datadir + <span class="stringliteral">"/blocks"</span>, <span class="stringliteral">'c'</span>)</div><div class="line"><a name="l00013"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a20302756603eec6b212c6f95f38fef0a"> 13</a></span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a20302756603eec6b212c6f95f38fef0a">currentBlock</a> = 0L</div><div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a50bab81bde682187d7ebe334b3d5b9a8"> 14</a></span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a50bab81bde682187d7ebe334b3d5b9a8">headers_map</a> = dict()</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div><div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#ac55b86292eb303ff930c8291781a9e28"> 16</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#ac55b86292eb303ff930c8291781a9e28">close</a>(self):</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a6b2427a286b5763a4e9f49f161aa75c7">blockDB</a>.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#ac55b86292eb303ff930c8291781a9e28">close</a>()</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a3c751cdeb66651ad99adf97f811ef501"> 19</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a3c751cdeb66651ad99adf97f811ef501">get</a>(self, blockhash):</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  serialized_block = <span class="keywordtype">None</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordflow">try</span>:</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  serialized_block = self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a6b2427a286b5763a4e9f49f161aa75c7">blockDB</a>[repr(blockhash)]</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordflow">except</span> KeyError:</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  f = BytesIO(serialized_block)</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  ret = <a class="code" href="classtest__framework_1_1mininode_1_1CBlock.html">CBlock</a>()</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  ret.deserialize(f)</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  ret.calc_sha256()</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">return</span> ret</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#ab9b326ceeee6a76bbfbf12366eb63abf"> 31</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#ab9b326ceeee6a76bbfbf12366eb63abf">get_header</a>(self, blockhash):</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">try</span>:</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a50bab81bde682187d7ebe334b3d5b9a8">headers_map</a>[blockhash]</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">except</span> KeyError:</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment"># Note: this pulls full blocks out of the database just to retrieve</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment"># the headers -- perhaps we could keep a separate data structure</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment"># to avoid this overhead.</span></div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#ae8549d45871cceafee017b23127fee80"> 40</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#ae8549d45871cceafee017b23127fee80">headers_for</a>(self, locator, hash_stop, current_tip=None):</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">if</span> current_tip <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  current_tip = self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a20302756603eec6b212c6f95f38fef0a">currentBlock</a></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  current_block_header = self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#ab9b326ceeee6a76bbfbf12366eb63abf">get_header</a>(current_tip)</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span> current_block_header <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  response = <a class="code" href="classtest__framework_1_1mininode_1_1msg__headers.html">msg_headers</a>()</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  headersList = [ current_block_header ]</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  maxheaders = 2000</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">while</span> (headersList[0].sha256 <span class="keywordflow">not</span> <span class="keywordflow">in</span> locator.vHave):</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  prevBlockHash = headersList[0].hashPrevBlock</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  prevBlockHeader = self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#ab9b326ceeee6a76bbfbf12366eb63abf">get_header</a>(prevBlockHash)</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> prevBlockHeader <span class="keywordflow">is</span> <span class="keywordflow">not</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  headersList.insert(0, prevBlockHeader)</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">else</span>:</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">break</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  headersList = headersList[:maxheaders] <span class="comment"># truncate if we have too many</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  hashList = [x.sha256 <span class="keywordflow">for</span> x <span class="keywordflow">in</span> headersList]</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  index = len(headersList)</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (hash_stop <span class="keywordflow">in</span> hashList):</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  index = hashList.index(hash_stop)+1</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  response.headers = headersList[:index]</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> response</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#adfc8e9a5a04334c35e2219ea7127745d"> 65</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#adfc8e9a5a04334c35e2219ea7127745d">add_block</a>(self, block):</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  block.calc_sha256()</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">try</span>:</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a6b2427a286b5763a4e9f49f161aa75c7">blockDB</a>[repr(block.sha256)] = bytes(block.serialize())</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">except</span> TypeError <span class="keyword">as</span> e:</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">print</span> <span class="stringliteral">"Unexpected error: "</span>, sys.exc_info()[0], e.args</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a20302756603eec6b212c6f95f38fef0a">currentBlock</a> = block.sha256</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a50bab81bde682187d7ebe334b3d5b9a8">headers_map</a>[block.sha256] = <a class="code" href="classtest__framework_1_1mininode_1_1CBlockHeader.html">CBlockHeader</a>(block)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a1aa85007cec588848053d3440ea9e5cc"> 74</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a1aa85007cec588848053d3440ea9e5cc">add_header</a>(self, header):</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a50bab81bde682187d7ebe334b3d5b9a8">headers_map</a>[header.sha256] = header</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a6960d545e8aeee739f8a0dd0bd430743"> 77</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a6960d545e8aeee739f8a0dd0bd430743">get_blocks</a>(self, inv):</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  responses = []</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">for</span> i <span class="keywordflow">in</span> inv:</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (i.type == 2): <span class="comment"># MSG_BLOCK</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  block = self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a3c751cdeb66651ad99adf97f811ef501">get</a>(i.hash)</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> block <span class="keywordflow">is</span> <span class="keywordflow">not</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  responses.append(<a class="code" href="classtest__framework_1_1mininode_1_1msg__block.html">msg_block</a>(block))</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> responses</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1BlockStore.html#abec8b594a08fa1aa00260caac0e9cfb2"> 86</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#abec8b594a08fa1aa00260caac0e9cfb2">get_locator</a>(self, current_tip=None):</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> current_tip <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  current_tip = self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a20302756603eec6b212c6f95f38fef0a">currentBlock</a></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  r = []</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  counter = 0</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  step = 1</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  lastBlock = self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a3c751cdeb66651ad99adf97f811ef501">get</a>(current_tip)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">while</span> lastBlock <span class="keywordflow">is</span> <span class="keywordflow">not</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  r.append(lastBlock.hashPrevBlock)</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">for</span> i <span class="keywordflow">in</span> range(step):</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  lastBlock = self.<a class="code" href="classtest__framework_1_1blockstore_1_1BlockStore.html#a3c751cdeb66651ad99adf97f811ef501">get</a>(lastBlock.hashPrevBlock)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> lastBlock <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">break</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  counter += 1</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> counter > 10:</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  step *= 2</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  locator = <a class="code" href="classtest__framework_1_1mininode_1_1CBlockLocator.html">CBlockLocator</a>()</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  locator.vHave = r</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> locator</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1TxStore.html"> 106</a></span> <span class="keyword">class </span><a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html">TxStore</a>(object):</div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1TxStore.html#a9e712e1bf80f72d25a5edf5640eb0577"> 107</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#a9e712e1bf80f72d25a5edf5640eb0577">__init__</a>(self, datadir):</div><div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1TxStore.html#a8ff60d529dc65a6240523c85b682cb23"> 108</a></span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#a8ff60d529dc65a6240523c85b682cb23">txDB</a> = dbm.open(datadir + <span class="stringliteral">"/transactions"</span>, <span class="stringliteral">'c'</span>)</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1TxStore.html#a2a66a733c5e611af3e59a14fbe96d024"> 110</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#a2a66a733c5e611af3e59a14fbe96d024">close</a>(self):</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#a8ff60d529dc65a6240523c85b682cb23">txDB</a>.<a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#a2a66a733c5e611af3e59a14fbe96d024">close</a>()</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1TxStore.html#adb5f318501b75ffadfbdf81de7891430"> 113</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#adb5f318501b75ffadfbdf81de7891430">get</a>(self, txhash):</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  serialized_tx = <span class="keywordtype">None</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">try</span>:</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  serialized_tx = self.<a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#a8ff60d529dc65a6240523c85b682cb23">txDB</a>[repr(txhash)]</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">except</span> KeyError:</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  f = BytesIO(serialized_tx)</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  ret = <a class="code" href="classtest__framework_1_1mininode_1_1CTransaction.html">CTransaction</a>()</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  ret.deserialize(f)</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  ret.calc_sha256()</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> ret</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1TxStore.html#a77bd56c82cabf03d3c3ac7b3135b5965"> 125</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#a77bd56c82cabf03d3c3ac7b3135b5965">add_transaction</a>(self, tx):</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  tx.calc_sha256()</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">try</span>:</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  self.<a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#a8ff60d529dc65a6240523c85b682cb23">txDB</a>[repr(tx.sha256)] = bytes(tx.serialize())</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">except</span> TypeError <span class="keyword">as</span> e:</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">print</span> <span class="stringliteral">"Unexpected error: "</span>, sys.exc_info()[0], e.args</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classtest__framework_1_1blockstore_1_1TxStore.html#afa55dbed8f8bc3d49769c1f91d29d41b"> 132</a></span>  <span class="keyword">def </span><a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#afa55dbed8f8bc3d49769c1f91d29d41b">get_transactions</a>(self, inv):</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  responses = []</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">for</span> i <span class="keywordflow">in</span> inv:</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span> (i.type == 1): <span class="comment"># MSG_TX</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  tx = self.<a class="code" href="classtest__framework_1_1blockstore_1_1TxStore.html#adb5f318501b75ffadfbdf81de7891430">get</a>(i.hash)</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> tx <span class="keywordflow">is</span> <span class="keywordflow">not</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  responses.append(<a class="code" href="classtest__framework_1_1mininode_1_1msg__tx.html">msg_tx</a>(tx))</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> responses</div><div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_abec8b594a08fa1aa00260caac0e9cfb2"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#abec8b594a08fa1aa00260caac0e9cfb2">test_framework.blockstore.BlockStore.get_locator</a></div><div class="ttdeci">def get_locator(self, current_tip=None)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00086">blockstore.py:86</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1TxStore_html_a77bd56c82cabf03d3c3ac7b3135b5965"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1TxStore.html#a77bd56c82cabf03d3c3ac7b3135b5965">test_framework.blockstore.TxStore.add_transaction</a></div><div class="ttdeci">def add_transaction(self, tx)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00125">blockstore.py:125</a></div></div>
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<div class="ttc" id="classtest__framework_1_1mininode_1_1CBlockHeader_html"><div class="ttname"><a href="classtest__framework_1_1mininode_1_1CBlockHeader.html">test_framework.mininode.CBlockHeader</a></div><div class="ttdef"><b>Definition:</b> <a href="mininode_8py_source.html#l00445">mininode.py:445</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_adc08f8ef013deb607fde72b3bb976dba"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#adc08f8ef013deb607fde72b3bb976dba">test_framework.blockstore.BlockStore.__init__</a></div><div class="ttdeci">def __init__(self, datadir)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00011">blockstore.py:11</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1TxStore_html_adb5f318501b75ffadfbdf81de7891430"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1TxStore.html#adb5f318501b75ffadfbdf81de7891430">test_framework.blockstore.TxStore.get</a></div><div class="ttdeci">def get(self, txhash)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00113">blockstore.py:113</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1TxStore_html_afa55dbed8f8bc3d49769c1f91d29d41b"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1TxStore.html#afa55dbed8f8bc3d49769c1f91d29d41b">test_framework.blockstore.TxStore.get_transactions</a></div><div class="ttdeci">def get_transactions(self, inv)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00132">blockstore.py:132</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_a6b2427a286b5763a4e9f49f161aa75c7"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#a6b2427a286b5763a4e9f49f161aa75c7">test_framework.blockstore.BlockStore.blockDB</a></div><div class="ttdeci">blockDB</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00012">blockstore.py:12</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html">test_framework.blockstore.BlockStore</a></div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00010">blockstore.py:10</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_ac55b86292eb303ff930c8291781a9e28"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#ac55b86292eb303ff930c8291781a9e28">test_framework.blockstore.BlockStore.close</a></div><div class="ttdeci">def close(self)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00016">blockstore.py:16</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_a50bab81bde682187d7ebe334b3d5b9a8"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#a50bab81bde682187d7ebe334b3d5b9a8">test_framework.blockstore.BlockStore.headers_map</a></div><div class="ttdeci">headers_map</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00014">blockstore.py:14</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_ae8549d45871cceafee017b23127fee80"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#ae8549d45871cceafee017b23127fee80">test_framework.blockstore.BlockStore.headers_for</a></div><div class="ttdeci">def headers_for(self, locator, hash_stop, current_tip=None)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00040">blockstore.py:40</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1TxStore_html_a2a66a733c5e611af3e59a14fbe96d024"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1TxStore.html#a2a66a733c5e611af3e59a14fbe96d024">test_framework.blockstore.TxStore.close</a></div><div class="ttdeci">def close(self)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00110">blockstore.py:110</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_a1aa85007cec588848053d3440ea9e5cc"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#a1aa85007cec588848053d3440ea9e5cc">test_framework.blockstore.BlockStore.add_header</a></div><div class="ttdeci">def add_header(self, header)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00074">blockstore.py:74</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1TxStore_html_a8ff60d529dc65a6240523c85b682cb23"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1TxStore.html#a8ff60d529dc65a6240523c85b682cb23">test_framework.blockstore.TxStore.txDB</a></div><div class="ttdeci">txDB</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00108">blockstore.py:108</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1TxStore_html_a9e712e1bf80f72d25a5edf5640eb0577"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1TxStore.html#a9e712e1bf80f72d25a5edf5640eb0577">test_framework.blockstore.TxStore.__init__</a></div><div class="ttdeci">def __init__(self, datadir)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00107">blockstore.py:107</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_a20302756603eec6b212c6f95f38fef0a"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#a20302756603eec6b212c6f95f38fef0a">test_framework.blockstore.BlockStore.currentBlock</a></div><div class="ttdeci">currentBlock</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00013">blockstore.py:13</a></div></div>
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<div class="ttc" id="classtest__framework_1_1mininode_1_1CBlockLocator_html"><div class="ttname"><a href="classtest__framework_1_1mininode_1_1CBlockLocator.html">test_framework.mininode.CBlockLocator</a></div><div class="ttdef"><b>Definition:</b> <a href="mininode_8py_source.html#l00303">mininode.py:303</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1TxStore_html"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1TxStore.html">test_framework.blockstore.TxStore</a></div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00106">blockstore.py:106</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_a3c751cdeb66651ad99adf97f811ef501"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#a3c751cdeb66651ad99adf97f811ef501">test_framework.blockstore.BlockStore.get</a></div><div class="ttdeci">def get(self, blockhash)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00019">blockstore.py:19</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_adfc8e9a5a04334c35e2219ea7127745d"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#adfc8e9a5a04334c35e2219ea7127745d">test_framework.blockstore.BlockStore.add_block</a></div><div class="ttdeci">def add_block(self, block)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00065">blockstore.py:65</a></div></div>
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<div class="ttc" id="classtest__framework_1_1mininode_1_1CTransaction_html"><div class="ttname"><a href="classtest__framework_1_1mininode_1_1CTransaction.html">test_framework.mininode.CTransaction</a></div><div class="ttdef"><b>Definition:</b> <a href="mininode_8py_source.html#l00391">mininode.py:391</a></div></div>
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<div class="ttc" id="classtest__framework_1_1mininode_1_1msg__tx_html"><div class="ttname"><a href="classtest__framework_1_1mininode_1_1msg__tx.html">test_framework.mininode.msg_tx</a></div><div class="ttdef"><b>Definition:</b> <a href="mininode_8py_source.html#l00806">mininode.py:806</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_a6960d545e8aeee739f8a0dd0bd430743"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#a6960d545e8aeee739f8a0dd0bd430743">test_framework.blockstore.BlockStore.get_blocks</a></div><div class="ttdeci">def get_blocks(self, inv)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00077">blockstore.py:77</a></div></div>
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<div class="ttc" id="classtest__framework_1_1blockstore_1_1BlockStore_html_ab9b326ceeee6a76bbfbf12366eb63abf"><div class="ttname"><a href="classtest__framework_1_1blockstore_1_1BlockStore.html#ab9b326ceeee6a76bbfbf12366eb63abf">test_framework.blockstore.BlockStore.get_header</a></div><div class="ttdeci">def get_header(self, blockhash)</div><div class="ttdef"><b>Definition:</b> <a href="blockstore_8py_source.html#l00031">blockstore.py:31</a></div></div>
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<div class="ttc" id="classtest__framework_1_1mininode_1_1msg__block_html"><div class="ttname"><a href="classtest__framework_1_1mininode_1_1msg__block.html">test_framework.mininode.msg_block</a></div><div class="ttdef"><b>Definition:</b> <a href="mininode_8py_source.html#l00822">mininode.py:822</a></div></div>
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