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<div class="title">getblocktemplate_proposals.py</div> </div>
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<a href="getblocktemplate__proposals_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="namespacegetblocktemplate__proposals.html"> 1</a></span> <span class="comment">#!/usr/bin/env python2</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"># Copyright (c) 2014-2015 The Bitcoin Core developers</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"># Distributed under the MIT software license, see the accompanying</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"># file COPYING or http://www.opensource.org/licenses/mit-license.php.</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> <a class="code" href="namespacetest__framework_1_1test__framework.html">test_framework.test_framework</a> <span class="keyword">import</span> BitcoinTestFramework</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="keyword">from</span> <a class="code" href="namespacetest__framework_1_1util.html">test_framework.util</a> <span class="keyword">import</span> *</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="keyword">from</span> binascii <span class="keyword">import</span> a2b_hex, b2a_hex</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">from</span> hashlib <span class="keyword">import</span> sha256</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">from</span> struct <span class="keyword">import</span> pack</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"><a class="line" href="namespacegetblocktemplate__proposals.html#a911e0b96ceb58d7a0ec80e6b900dc821"> 13</a></span> <span class="keyword">def </span><a class="code" href="namespacegetblocktemplate__proposals.html#a911e0b96ceb58d7a0ec80e6b900dc821">b2x</a>(b):</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keywordflow">return</span> b2a_hex(b).decode(<span class="stringliteral">'ascii'</span>)</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"># NOTE: This does not work for signed numbers (set the high bit) or zero (use b'\0')</span></div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="namespacegetblocktemplate__proposals.html#a7c4036fcad35d46283157067fdac3ba6"> 17</a></span> <span class="keyword">def </span><a class="code" href="namespacegetblocktemplate__proposals.html#a7c4036fcad35d46283157067fdac3ba6">encodeUNum</a>(n):</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  s = bytearray(b<span class="stringliteral">'\1'</span>)</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordflow">while</span> n > 127:</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  s[0] += 1</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  s.append(n % 256)</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  n //= 256</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  s.append(n)</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">return</span> bytes(s)</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="namespacegetblocktemplate__proposals.html#a6b404a4caebc27a5a6a78eb4f0d6a222"> 26</a></span> <span class="keyword">def </span><a class="code" href="namespacegetblocktemplate__proposals.html#a6b404a4caebc27a5a6a78eb4f0d6a222">varlenEncode</a>(n):</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">if</span> n < 0xfd:</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">return</span> pack(<span class="stringliteral">'<B'</span>, n)</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">if</span> n <= 0xffff:</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">return</span> b<span class="stringliteral">'\xfd'</span> + pack(<span class="stringliteral">'<H'</span>, n)</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">if</span> n <= 0xffffffff:</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">return</span> b<span class="stringliteral">'\xfe'</span> + pack(<span class="stringliteral">'<L'</span>, n)</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> b<span class="stringliteral">'\xff'</span> + pack(<span class="stringliteral">'<Q'</span>, n)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespacegetblocktemplate__proposals.html#a1403a46f2bc0c4996c8a93831d20f341"> 35</a></span> <span class="keyword">def </span><a class="code" href="namespacegetblocktemplate__proposals.html#a1403a46f2bc0c4996c8a93831d20f341">dblsha</a>(b):</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">return</span> <a class="code" href="namespacesha256.html">sha256</a>(<a class="code" href="namespacesha256.html">sha256</a>(b).digest()).digest()</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="namespacegetblocktemplate__proposals.html#ab585c9fad42812d7ee42d42a5e43bb99"> 38</a></span> <span class="keyword">def </span><a class="code" href="namespacegetblocktemplate__proposals.html#ab585c9fad42812d7ee42d42a5e43bb99">genmrklroot</a>(leaflist):</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  cur = leaflist</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">while</span> len(cur) > 1:</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  n = []</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> len(cur) & 1:</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  cur.append(cur[-1])</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">for</span> i <span class="keywordflow">in</span> range(0, len(cur), 2):</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  n.append(<a class="code" href="namespacegetblocktemplate__proposals.html#a1403a46f2bc0c4996c8a93831d20f341">dblsha</a>(cur[i] + cur[i+1]))</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  cur = n</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> cur[0]</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="namespacegetblocktemplate__proposals.html#a8f7eaaa1a5732cb64e7fa47569f5c0d6"> 49</a></span> <span class="keyword">def </span><a class="code" href="namespacegetblocktemplate__proposals.html#a8f7eaaa1a5732cb64e7fa47569f5c0d6">template_to_bytes</a>(tmpl, txlist):</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  blkver = pack(<span class="stringliteral">'<L'</span>, tmpl[<span class="stringliteral">'version'</span>])</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  mrklroot = <a class="code" href="namespacegetblocktemplate__proposals.html#ab585c9fad42812d7ee42d42a5e43bb99">genmrklroot</a>(list(<a class="code" href="namespacegetblocktemplate__proposals.html#a1403a46f2bc0c4996c8a93831d20f341">dblsha</a>(a) <span class="keywordflow">for</span> a <span class="keywordflow">in</span> txlist))</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  timestamp = pack(<span class="stringliteral">'<L'</span>, tmpl[<span class="stringliteral">'curtime'</span>])</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  nonce = b<span class="stringliteral">'\0\0\0\0'</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  blk = blkver + a2b_hex(tmpl[<span class="stringliteral">'previousblockhash'</span>])[::-1] + mrklroot + timestamp + a2b_hex(tmpl[<span class="stringliteral">'bits'</span>])[::-1] + nonce</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  blk += <a class="code" href="namespacegetblocktemplate__proposals.html#a6b404a4caebc27a5a6a78eb4f0d6a222">varlenEncode</a>(len(txlist))</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">for</span> tx <span class="keywordflow">in</span> txlist:</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  blk += tx</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> blk</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="namespacegetblocktemplate__proposals.html#aed3a713d4304f0894926e8d66d73246c"> 60</a></span> <span class="keyword">def </span><a class="code" href="namespacegetblocktemplate__proposals.html#aed3a713d4304f0894926e8d66d73246c">template_to_hex</a>(tmpl, txlist):</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> <a class="code" href="namespacegetblocktemplate__proposals.html#a911e0b96ceb58d7a0ec80e6b900dc821">b2x</a>(<a class="code" href="namespacegetblocktemplate__proposals.html#a8f7eaaa1a5732cb64e7fa47569f5c0d6">template_to_bytes</a>(tmpl, txlist))</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e"> 63</a></span> <span class="keyword">def </span><a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, expect):</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  rsp = node.getblocktemplate({<span class="stringliteral">'data'</span>:<a class="code" href="namespacegetblocktemplate__proposals.html#aed3a713d4304f0894926e8d66d73246c">template_to_hex</a>(tmpl, txlist),<span class="stringliteral">'mode'</span>:<span class="stringliteral">'proposal'</span>})</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> rsp != expect:</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">raise</span> AssertionError(<span class="stringliteral">'unexpected: %s'</span> % (rsp,))</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classgetblocktemplate__proposals_1_1GetBlockTemplateProposalTest.html"> 68</a></span> <span class="keyword">class </span><a class="code" href="classgetblocktemplate__proposals_1_1GetBlockTemplateProposalTest.html">GetBlockTemplateProposalTest</a>(<a class="code" href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html">BitcoinTestFramework</a>):</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="stringliteral">'''</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="stringliteral"> Test block proposals with getblocktemplate.</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="stringliteral"> '''</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classgetblocktemplate__proposals_1_1GetBlockTemplateProposalTest.html#a46f962792ef4eff225ea20a189c103d2"> 73</a></span>  <span class="keyword">def </span><a class="code" href="classgetblocktemplate__proposals_1_1GetBlockTemplateProposalTest.html#a46f962792ef4eff225ea20a189c103d2">run_test</a>(self):</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  node = self.<a class="code" href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html#a1c8a2aab0f11f2370c48060835f23f76">nodes</a>[0]</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="namespacetest__framework_1_1util.html#a6cfe71893f4a2ba2e7f30d87c615a322">wait_to_sync</a>(node)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  node.generate(1) <span class="comment"># Mine a block to leave initial block download</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  tmpl = node.getblocktemplate()</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> <span class="stringliteral">'coinbasetxn'</span> <span class="keywordflow">not</span> <span class="keywordflow">in</span> tmpl:</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  rawcoinbase = <a class="code" href="namespacegetblocktemplate__proposals.html#a7c4036fcad35d46283157067fdac3ba6">encodeUNum</a>(tmpl[<span class="stringliteral">'height'</span>])</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  rawcoinbase += b<span class="stringliteral">'\x01-'</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  hexcoinbase = <a class="code" href="namespacegetblocktemplate__proposals.html#a911e0b96ceb58d7a0ec80e6b900dc821">b2x</a>(rawcoinbase)</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  hexoutval = <a class="code" href="namespacegetblocktemplate__proposals.html#a911e0b96ceb58d7a0ec80e6b900dc821">b2x</a>(pack(<span class="stringliteral">'<Q'</span>, tmpl[<span class="stringliteral">'coinbasevalue'</span>]))</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  tmpl[<span class="stringliteral">'coinbasetxn'</span>] = {<span class="stringliteral">'data'</span>: <span class="stringliteral">'01000000'</span> + <span class="stringliteral">'01'</span> + <span class="stringliteral">'0000000000000000000000000000000000000000000000000000000000000000ffffffff'</span> + (<span class="stringliteral">'%02x'</span> % (len(rawcoinbase),)) + hexcoinbase + <span class="stringliteral">'fffffffe'</span> + <span class="stringliteral">'01'</span> + hexoutval + <span class="stringliteral">'00'</span> + <span class="stringliteral">'00000000'</span>}</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  txlist = list(bytearray(a2b_hex(a[<span class="stringliteral">'data'</span>])) <span class="keywordflow">for</span> a <span class="keywordflow">in</span> (tmpl[<span class="stringliteral">'coinbasetxn'</span>],) + tuple(tmpl[<span class="stringliteral">'transactions'</span>]))</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment"># Test 0: Capability advertised</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  assert(<span class="stringliteral">'proposal'</span> <span class="keywordflow">in</span> tmpl[<span class="stringliteral">'capabilities'</span>])</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment"># NOTE: This test currently FAILS (regtest mode doesn't enforce block height in coinbase)</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment"># Test 2: Bad input hash for gen tx</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  txlist[0][4+1] += 1</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, <span class="stringliteral">'bad-cb-missing'</span>)</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  txlist[0][4+1] -= 1</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment"># Test 3: Truncated final tx</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  lastbyte = txlist[-1].pop()</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="namespacetest__framework_1_1util.html#a0c2ac88b78189fa2112558f2b3281b98">assert_raises</a>(JSONRPCException, assert_template, node, tmpl, txlist, <span class="stringliteral">'n/a'</span>)</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  txlist[-1].append(lastbyte)</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment"># Test 4: Add an invalid tx to the end (duplicate of gen tx)</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  txlist.append(txlist[0])</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, <span class="stringliteral">'bad-txns-duplicate'</span>)</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  txlist.pop()</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment"># Test 5: Add an invalid tx to the end (non-duplicate)</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  txlist.append(bytearray(txlist[0]))</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  txlist[-1][4+1] = 0xff</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, <span class="stringliteral">'bad-txns-inputs-missingorspent'</span>)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  txlist.pop()</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment"># Test 6: Future tx lock time</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  txlist[0][-4:] = b<span class="stringliteral">'\xff\xff\xff\xff'</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, <span class="stringliteral">'bad-txns-nonfinal'</span>)</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  txlist[0][-4:] = b<span class="stringliteral">'\0\0\0\0'</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment"># Test 7: Bad tx count</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  txlist.append(b<span class="stringliteral">''</span>)</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="namespacetest__framework_1_1util.html#a0c2ac88b78189fa2112558f2b3281b98">assert_raises</a>(JSONRPCException, assert_template, node, tmpl, txlist, <span class="stringliteral">'n/a'</span>)</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  txlist.pop()</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment"># Test 8: Bad bits</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  realbits = tmpl[<span class="stringliteral">'bits'</span>]</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  tmpl[<span class="stringliteral">'bits'</span>] = <span class="stringliteral">'1c0000ff'</span> <span class="comment"># impossible in the real world</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, <span class="stringliteral">'bad-diffbits'</span>)</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  tmpl[<span class="stringliteral">'bits'</span>] = realbits</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment"># Test 9: Bad merkle root</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  rawtmpl = <a class="code" href="namespacegetblocktemplate__proposals.html#a8f7eaaa1a5732cb64e7fa47569f5c0d6">template_to_bytes</a>(tmpl, txlist)</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  rawtmpl[4+32] = (rawtmpl[4+32] + 1) % 0x100</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  rsp = node.getblocktemplate({<span class="stringliteral">'data'</span>:<a class="code" href="namespacegetblocktemplate__proposals.html#a911e0b96ceb58d7a0ec80e6b900dc821">b2x</a>(rawtmpl),<span class="stringliteral">'mode'</span>:<span class="stringliteral">'proposal'</span>})</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> rsp != <span class="stringliteral">'bad-txnmrklroot'</span>:</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">raise</span> AssertionError(<span class="stringliteral">'unexpected: %s'</span> % (rsp,))</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment"># Test 10: Bad timestamps</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  realtime = tmpl[<span class="stringliteral">'curtime'</span>]</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  tmpl[<span class="stringliteral">'curtime'</span>] = 0x7fffffff</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, <span class="stringliteral">'time-too-new'</span>)</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  tmpl[<span class="stringliteral">'curtime'</span>] = 0</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, <span class="stringliteral">'time-too-old'</span>)</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  tmpl[<span class="stringliteral">'curtime'</span>] = realtime</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment"># Test 11: Valid block</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, <span class="keywordtype">None</span>)</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment"># Test 12: Orphan block</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  tmpl[<span class="stringliteral">'previousblockhash'</span>] = <span class="stringliteral">'ff00'</span> * 16</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">assert_template</a>(node, tmpl, txlist, <span class="stringliteral">'inconclusive-not-best-prevblk'</span>)</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">if</span> __name__ == <span class="stringliteral">'__main__'</span>:</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="classgetblocktemplate__proposals_1_1GetBlockTemplateProposalTest.html">GetBlockTemplateProposalTest</a>().<a class="code" href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html#a076857f5499c37bacf64a8ccb6ba5197">main</a>()</div><div class="ttc" id="namespacegetblocktemplate__proposals_html_aed3a713d4304f0894926e8d66d73246c"><div class="ttname"><a href="namespacegetblocktemplate__proposals.html#aed3a713d4304f0894926e8d66d73246c">getblocktemplate_proposals.template_to_hex</a></div><div class="ttdeci">def template_to_hex(tmpl, txlist)</div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00060">getblocktemplate_proposals.py:60</a></div></div>
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<div class="ttc" id="namespacetest__framework_1_1util_html_a0c2ac88b78189fa2112558f2b3281b98"><div class="ttname"><a href="namespacetest__framework_1_1util.html#a0c2ac88b78189fa2112558f2b3281b98">test_framework.util.assert_raises</a></div><div class="ttdeci">def assert_raises(exc, fun, args, kwds)</div><div class="ttdef"><b>Definition:</b> <a href="util_8py_source.html#l00469">util.py:469</a></div></div>
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<div class="ttc" id="namespacetest__framework_1_1util_html_a6cfe71893f4a2ba2e7f30d87c615a322"><div class="ttname"><a href="namespacetest__framework_1_1util.html#a6cfe71893f4a2ba2e7f30d87c615a322">test_framework.util.wait_to_sync</a></div><div class="ttdeci">def wait_to_sync(node)</div><div class="ttdef"><b>Definition:</b> <a href="util_8py_source.html#l00087">util.py:87</a></div></div>
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<div class="ttc" id="classgetblocktemplate__proposals_1_1GetBlockTemplateProposalTest_html_a46f962792ef4eff225ea20a189c103d2"><div class="ttname"><a href="classgetblocktemplate__proposals_1_1GetBlockTemplateProposalTest.html#a46f962792ef4eff225ea20a189c103d2">getblocktemplate_proposals.GetBlockTemplateProposalTest.run_test</a></div><div class="ttdeci">def run_test(self)</div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00073">getblocktemplate_proposals.py:73</a></div></div>
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<div class="ttc" id="namespacegetblocktemplate__proposals_html_a911e0b96ceb58d7a0ec80e6b900dc821"><div class="ttname"><a href="namespacegetblocktemplate__proposals.html#a911e0b96ceb58d7a0ec80e6b900dc821">getblocktemplate_proposals.b2x</a></div><div class="ttdeci">def b2x(b)</div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00013">getblocktemplate_proposals.py:13</a></div></div>
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<div class="ttc" id="classtest__framework_1_1test__framework_1_1BitcoinTestFramework_html_a1c8a2aab0f11f2370c48060835f23f76"><div class="ttname"><a href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html#a1c8a2aab0f11f2370c48060835f23f76">test_framework.test_framework.BitcoinTestFramework.nodes</a></div><div class="ttdeci">nodes</div><div class="ttdef"><b>Definition:</b> <a href="test__framework_8py_source.html#l00051">test_framework.py:51</a></div></div>
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<div class="ttc" id="namespacetest__framework_1_1test__framework_html"><div class="ttname"><a href="namespacetest__framework_1_1test__framework.html">test_framework.test_framework</a></div><div class="ttdef"><b>Definition:</b> <a href="test__framework_8py_source.html#l00001">test_framework.py:1</a></div></div>
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<div class="ttc" id="classtest__framework_1_1test__framework_1_1BitcoinTestFramework_html"><div class="ttname"><a href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html">test_framework.test_framework.BitcoinTestFramework</a></div><div class="ttdef"><b>Definition:</b> <a href="test__framework_8py_source.html#l00032">test_framework.py:32</a></div></div>
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<div class="ttc" id="namespacegetblocktemplate__proposals_html_a1403a46f2bc0c4996c8a93831d20f341"><div class="ttname"><a href="namespacegetblocktemplate__proposals.html#a1403a46f2bc0c4996c8a93831d20f341">getblocktemplate_proposals.dblsha</a></div><div class="ttdeci">def dblsha(b)</div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00035">getblocktemplate_proposals.py:35</a></div></div>
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<div class="ttc" id="namespacegetblocktemplate__proposals_html_a7c4036fcad35d46283157067fdac3ba6"><div class="ttname"><a href="namespacegetblocktemplate__proposals.html#a7c4036fcad35d46283157067fdac3ba6">getblocktemplate_proposals.encodeUNum</a></div><div class="ttdeci">def encodeUNum(n)</div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00017">getblocktemplate_proposals.py:17</a></div></div>
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<div class="ttc" id="classgetblocktemplate__proposals_1_1GetBlockTemplateProposalTest_html"><div class="ttname"><a href="classgetblocktemplate__proposals_1_1GetBlockTemplateProposalTest.html">getblocktemplate_proposals.GetBlockTemplateProposalTest</a></div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00068">getblocktemplate_proposals.py:68</a></div></div>
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<div class="ttc" id="namespacegetblocktemplate__proposals_html_a1d13aad4a81d76d62d20b52792765a7e"><div class="ttname"><a href="namespacegetblocktemplate__proposals.html#a1d13aad4a81d76d62d20b52792765a7e">getblocktemplate_proposals.assert_template</a></div><div class="ttdeci">def assert_template(node, tmpl, txlist, expect)</div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00063">getblocktemplate_proposals.py:63</a></div></div>
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<div class="ttc" id="classtest__framework_1_1test__framework_1_1BitcoinTestFramework_html_a076857f5499c37bacf64a8ccb6ba5197"><div class="ttname"><a href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html#a076857f5499c37bacf64a8ccb6ba5197">test_framework.test_framework.BitcoinTestFramework.main</a></div><div class="ttdeci">def main(self)</div><div class="ttdef"><b>Definition:</b> <a href="test__framework_8py_source.html#l00097">test_framework.py:97</a></div></div>
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<div class="ttc" id="namespacesha256_html"><div class="ttname"><a href="namespacesha256.html">sha256</a></div><div class="ttdoc">Internal SHA-256 implementation. </div><div class="ttdef"><b>Definition:</b> <a href="sha256_8cpp_source.html#l00015">sha256.cpp:15</a></div></div>
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<div class="ttc" id="namespacegetblocktemplate__proposals_html_ab585c9fad42812d7ee42d42a5e43bb99"><div class="ttname"><a href="namespacegetblocktemplate__proposals.html#ab585c9fad42812d7ee42d42a5e43bb99">getblocktemplate_proposals.genmrklroot</a></div><div class="ttdeci">def genmrklroot(leaflist)</div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00038">getblocktemplate_proposals.py:38</a></div></div>
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<div class="ttc" id="namespacegetblocktemplate__proposals_html_a6b404a4caebc27a5a6a78eb4f0d6a222"><div class="ttname"><a href="namespacegetblocktemplate__proposals.html#a6b404a4caebc27a5a6a78eb4f0d6a222">getblocktemplate_proposals.varlenEncode</a></div><div class="ttdeci">def varlenEncode(n)</div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00026">getblocktemplate_proposals.py:26</a></div></div>
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<div class="ttc" id="namespacetest__framework_1_1util_html"><div class="ttname"><a href="namespacetest__framework_1_1util.html">test_framework.util</a></div><div class="ttdef"><b>Definition:</b> <a href="util_8py_source.html#l00001">util.py:1</a></div></div>
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<div class="ttc" id="namespacegetblocktemplate__proposals_html_a8f7eaaa1a5732cb64e7fa47569f5c0d6"><div class="ttname"><a href="namespacegetblocktemplate__proposals.html#a8f7eaaa1a5732cb64e7fa47569f5c0d6">getblocktemplate_proposals.template_to_bytes</a></div><div class="ttdeci">def template_to_bytes(tmpl, txlist)</div><div class="ttdef"><b>Definition:</b> <a href="getblocktemplate__proposals_8py_source.html#l00049">getblocktemplate_proposals.py:49</a></div></div>
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