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<a href="smartfees_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="namespacesmartfees.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="comment">#</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"># Test fee estimation code</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">#</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">from</span> collections <span class="keyword">import</span> OrderedDict</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</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="l00012"></a><span class="lineno"> 12</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="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"># Construct 2 trivial P2SH's and the ScriptSigs that spend them</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"># So we can create many many transactions without needing to spend</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"># time signing.</span></div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="namespacesmartfees.html#aef93cd577f95432b3d9c384bf1888fdb"> 17</a></span> P2SH_1 = <span class="stringliteral">"8kctg1WWKdoLveifyNnDYtRAqBPpqgL8z2"</span> <span class="comment"># P2SH of "OP_1 OP_DROP"</span></div><div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="namespacesmartfees.html#a742ffde42ac785506364c215e930dfa0"> 18</a></span> P2SH_2 = <span class="stringliteral">"8xp4fcNB8rz9UbZC47tv6eui1ZSPMd3iYT"</span> <span class="comment"># P2SH of "OP_2 OP_DROP"</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"># Associated ScriptSig's to spend satisfy P2SH_1 and P2SH_2</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"># 4 bytes of OP_TRUE and push 2-byte redeem script of "OP_1 OP_DROP" or "OP_2 OP_DROP"</span></div><div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="namespacesmartfees.html#a7369254de537c5571b2ae1b3519b790a"> 21</a></span> SCRIPT_SIG = [<span class="stringliteral">"0451025175"</span>, <span class="stringliteral">"0451025275"</span>]</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="classsmartfees_1_1DecimalEncoder.html"> 23</a></span> <span class="keyword">class </span><a class="code" href="classsmartfees_1_1DecimalEncoder.html">DecimalEncoder</a>(json.JSONEncoder):</div><div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="classsmartfees_1_1DecimalEncoder.html#ab7fefd070c929b8f6054da5f60009c8a"> 24</a></span>  <span class="keyword">def </span><a class="code" href="classsmartfees_1_1DecimalEncoder.html#ab7fefd070c929b8f6054da5f60009c8a">default</a>(self, o):</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">if</span> isinstance(o, Decimal):</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">return</span> float(o)</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">return</span> super(DecimalEncoder, self).<a class="code" href="classsmartfees_1_1DecimalEncoder.html#ab7fefd070c929b8f6054da5f60009c8a">default</a>(o)</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="namespacesmartfees.html#ae9dcb2bd8269740a62a65dd3ebd1f3d8"> 29</a></span> <span class="keyword">def </span><a class="code" href="namespacesmartfees.html#ae9dcb2bd8269740a62a65dd3ebd1f3d8">swap_outputs_in_rawtx</a>(rawtx, outputs, inputnum):</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="stringliteral">'''</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="stringliteral"> Since dictionaries in python are unsorted make sure that our outputs are correctly ordered.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="stringliteral"> Note: comparing strings to get "correct order" is based on the fact that</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="stringliteral"> P2SH_1 string is < P2SH_2 string in this particular case.</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="stringliteral"> '''</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  outputs_unordered = json.dumps(outputs, cls=DecimalEncoder)</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  outputs_ordered = json.dumps(outputs, sort_keys=<span class="keyword">True</span>, cls=DecimalEncoder)</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">if</span> outputs_ordered != outputs_unordered: <span class="comment"># nope, we need to do some work here</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  first_rawoutput = rawtx[12+82*inputnum:12+82*inputnum+64]</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  second_rawoutput = rawtx[12+82*inputnum+64:12+82*inputnum+64+64]</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  rawtx = rawtx[0:12+82*inputnum] + second_rawoutput + first_rawoutput + rawtx[12+82*inputnum+64+64:]</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> rawtx</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="namespacesmartfees.html#ac5f204405afc52e283a9cbf8142d9f8e"> 43</a></span> <span class="keyword">def </span><a class="code" href="namespacesmartfees.html#ac5f204405afc52e283a9cbf8142d9f8e">small_txpuzzle_randfee</a>(from_node, conflist, unconflist, amount, min_fee, fee_increment):</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="stringliteral">'''</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="stringliteral"> Create and send a transaction with a random fee.</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="stringliteral"> The transaction pays to a trivial P2SH script, and assumes that its inputs</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="stringliteral"> are of the same form.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="stringliteral"> The function takes a list of confirmed outputs and unconfirmed outputs</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="stringliteral"> and attempts to use the confirmed list first for its inputs.</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="stringliteral"> It adds the newly created outputs to the unconfirmed list.</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="stringliteral"> Returns (raw transaction, fee)</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="stringliteral"> '''</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment"># It's best to exponentially distribute our random fees</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment"># because the buckets are exponentially spaced.</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment"># Exponentially distributed from 1-128 * fee_increment</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  rand_fee = float(fee_increment)*(1.1892**random.randint(0,28))</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment"># Total fee ranges from min_fee to min_fee + 127*fee_increment</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  fee = min_fee - fee_increment + <a class="code" href="namespacetest__framework_1_1util.html#a2d6cbb1015ca6a97273de4dcf5be900c">satoshi_round</a>(rand_fee)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  inputs = []</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  total_in = Decimal(<span class="stringliteral">"0.00000000"</span>)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">while</span> total_in <= (amount + fee) <span class="keywordflow">and</span> len(conflist) > 0:</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  t = conflist.pop(0)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  total_in += t[<span class="stringliteral">"amount"</span>]</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  inputs.append({ <span class="stringliteral">"txid"</span> : t[<span class="stringliteral">"txid"</span>], <span class="stringliteral">"vout"</span> : t[<span class="stringliteral">"vout"</span>]} )</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> total_in <= amount + fee:</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">while</span> total_in <= (amount + fee) <span class="keywordflow">and</span> len(unconflist) > 0:</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  t = unconflist.pop(0)</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  total_in += t[<span class="stringliteral">"amount"</span>]</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  inputs.append({ <span class="stringliteral">"txid"</span> : t[<span class="stringliteral">"txid"</span>], <span class="stringliteral">"vout"</span> : t[<span class="stringliteral">"vout"</span>]} )</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> total_in <= amount + fee:</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">raise</span> RuntimeError(<span class="stringliteral">"Insufficient funds: need %d, have %d"</span>%(amount+fee, total_in))</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  outputs = {}</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  outputs = OrderedDict([(P2SH_1, total_in - amount - fee),</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  (P2SH_2, amount)])</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  rawtx = from_node.createrawtransaction(inputs, outputs)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  rawtx = <a class="code" href="namespacesmartfees.html#ae9dcb2bd8269740a62a65dd3ebd1f3d8">swap_outputs_in_rawtx</a>(rawtx, outputs, len(inputs))</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment"># createrawtransaction constructs a transaction that is ready to be signed.</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment"># These transactions don't need to be signed, but we still have to insert the ScriptSig</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment"># that will satisfy the ScriptPubKey.</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  completetx = rawtx[0:10]</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  inputnum = 0</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">for</span> inp <span class="keywordflow">in</span> inputs:</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  completetx += rawtx[10+82*inputnum:82+82*inputnum]</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  completetx += SCRIPT_SIG[inp[<span class="stringliteral">"vout"</span>]]</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  completetx += rawtx[84+82*inputnum:92+82*inputnum]</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  inputnum += 1</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  completetx += rawtx[10+82*inputnum:]</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  txid = from_node.sendrawtransaction(completetx, <span class="keyword">True</span>)</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  unconflist.append({ <span class="stringliteral">"txid"</span> : txid, <span class="stringliteral">"vout"</span> : 0 , <span class="stringliteral">"amount"</span> : total_in - amount - fee})</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  unconflist.append({ <span class="stringliteral">"txid"</span> : txid, <span class="stringliteral">"vout"</span> : 1 , <span class="stringliteral">"amount"</span> : amount})</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> (completetx, fee)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="namespacesmartfees.html#ab04aab9bf2b8bcd5cb6f8a02b5f6d523"> 94</a></span> <span class="keyword">def </span><a class="code" href="namespacesmartfees.html#ab04aab9bf2b8bcd5cb6f8a02b5f6d523">split_inputs</a>(from_node, txins, txouts, initial_split = False):</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="stringliteral">'''</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="stringliteral"> We need to generate a lot of very small inputs so we can generate a ton of transactions</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="stringliteral"> and they will have low priority.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="stringliteral"> This function takes an input from txins, and creates and sends a transaction</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="stringliteral"> which splits the value into 2 outputs which are appended to txouts.</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="stringliteral"> '''</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  prevtxout = txins.pop()</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  inputs = []</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  inputs.append({ <span class="stringliteral">"txid"</span> : prevtxout[<span class="stringliteral">"txid"</span>], <span class="stringliteral">"vout"</span> : prevtxout[<span class="stringliteral">"vout"</span>] })</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  half_change = <a class="code" href="namespacetest__framework_1_1util.html#a2d6cbb1015ca6a97273de4dcf5be900c">satoshi_round</a>(prevtxout[<span class="stringliteral">"amount"</span>]/2)</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  rem_change = prevtxout[<span class="stringliteral">"amount"</span>] - half_change - Decimal(<span class="stringliteral">"0.00010000"</span>)</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  outputs = OrderedDict([(P2SH_1, half_change), (P2SH_2, rem_change)])</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  rawtx = from_node.createrawtransaction(inputs, outputs)</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  rawtx = <a class="code" href="namespacesmartfees.html#ae9dcb2bd8269740a62a65dd3ebd1f3d8">swap_outputs_in_rawtx</a>(rawtx, outputs, len(inputs))</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment"># If this is the initial split we actually need to sign the transaction</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment"># Otherwise we just need to insert the property ScriptSig</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (initial_split) :</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  completetx = from_node.signrawtransaction(rawtx)[<span class="stringliteral">"hex"</span>]</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">else</span> :</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  completetx = rawtx[0:82] + SCRIPT_SIG[prevtxout[<span class="stringliteral">"vout"</span>]] + rawtx[84:]</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  txid = from_node.sendrawtransaction(completetx, <span class="keyword">True</span>)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  txouts.append({ <span class="stringliteral">"txid"</span> : txid, <span class="stringliteral">"vout"</span> : 0 , <span class="stringliteral">"amount"</span> : half_change})</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  txouts.append({ <span class="stringliteral">"txid"</span> : txid, <span class="stringliteral">"vout"</span> : 1 , <span class="stringliteral">"amount"</span> : rem_change})</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="namespacesmartfees.html#a7b2c13a4e712459ac15f99e967a7052c"> 119</a></span> <span class="keyword">def </span><a class="code" href="namespacesmartfees.html#a7b2c13a4e712459ac15f99e967a7052c">check_estimates</a>(node, fees_seen, max_invalid, print_estimates = True):</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="stringliteral">'''</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="stringliteral"> This function calls estimatefee and verifies that the estimates</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="stringliteral"> meet certain invariants.</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="stringliteral"> '''</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  all_estimates = [ node.estimatefee(i) <span class="keywordflow">for</span> i <span class="keywordflow">in</span> range(1,26) ]</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> print_estimates:</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  print([str(all_estimates[e-1]) <span class="keywordflow">for</span> e <span class="keywordflow">in</span> [1,2,3,6,15,25]])</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  delta = 1.0e-6 <span class="comment"># account for rounding error</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  last_e = max(fees_seen)</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">for</span> e <span class="keywordflow">in</span> [x <span class="keywordflow">for</span> x <span class="keywordflow">in</span> all_estimates <span class="keywordflow">if</span> x >= 0]:</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment"># Estimates should be within the bounds of what transactions fees actually were:</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> float(e)+delta < min(fees_seen) <span class="keywordflow">or</span> float(e)-delta > max(fees_seen):</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">raise</span> AssertionError(<span class="stringliteral">"Estimated fee (%f) out of range (%f,%f)"</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  %(float(e), min(fees_seen), max(fees_seen)))</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment"># Estimates should be monotonically decreasing</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span> float(e)-delta > last_e:</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">raise</span> AssertionError(<span class="stringliteral">"Estimated fee (%f) larger than last fee (%f) for lower number of confirms"</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  %(float(e),float(last_e)))</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  last_e = e</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  valid_estimate = <span class="keyword">False</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  invalid_estimates = 0</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">for</span> i,e <span class="keywordflow">in</span> enumerate(all_estimates): <span class="comment"># estimate is for i+1</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> e >= 0:</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  valid_estimate = <span class="keyword">True</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment"># estimatesmartfee should return the same result</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="namespacetest__framework_1_1util.html#ad3df488aacbcdc741bbb9eb66caddd6b">assert_equal</a>(node.estimatesmartfee(i+1)[<span class="stringliteral">"feerate"</span>], e)</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="keywordflow">else</span>:</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  invalid_estimates += 1</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"># estimatesmartfee should still be valid</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  approx_estimate = node.estimatesmartfee(i+1)[<span class="stringliteral">"feerate"</span>]</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  answer_found = node.estimatesmartfee(i+1)[<span class="stringliteral">"blocks"</span>]</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  assert(approx_estimate > 0)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  assert(answer_found > i+1)</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment"># Once we're at a high enough confirmation count that we can give an estimate</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment"># We should have estimates for all higher confirmation counts</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> valid_estimate:</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">raise</span> AssertionError(<span class="stringliteral">"Invalid estimate appears at higher confirm count than valid estimate"</span>)</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment"># Check on the expected number of different confirmation counts</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment"># that we might not have valid estimates for</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> invalid_estimates > max_invalid:</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">raise</span> AssertionError(<span class="stringliteral">"More than (%d) invalid estimates"</span>%(max_invalid))</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> all_estimates</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html"> 168</a></span> <span class="keyword">class </span><a class="code" href="classsmartfees_1_1EstimateFeeTest.html">EstimateFeeTest</a>(<a class="code" href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html">BitcoinTestFramework</a>):</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#a9c7d2c040304fcc1d09d280841afbba1"> 170</a></span>  <span class="keyword">def </span><a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a9c7d2c040304fcc1d09d280841afbba1">setup_network</a>(self):</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="stringliteral">'''</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="stringliteral"> We'll setup the network to have 3 nodes that all mine with different parameters.</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="stringliteral"> But first we need to use one node to create a lot of small low priority outputs</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="stringliteral"> which we will use to generate our transactions.</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="stringliteral"> '''</span></div><div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb"> 176</a></span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a> = []</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment"># Use node0 to mine blocks for input splitting</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>.append(<a class="code" href="namespacetest__framework_1_1util.html#aebc7ae4dc3512e677020141c7370b2e1">start_node</a>(0, self.options.tmpdir, [<span class="stringliteral">"-maxorphantx=1000"</span>,</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="stringliteral">"-relaypriority=0"</span>, <span class="stringliteral">"-whitelist=127.0.0.1"</span>]))</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  print(<span class="stringliteral">"This test is time consuming, please be patient"</span>)</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  print(<span class="stringliteral">"Splitting inputs to small size so we can generate low priority tx's"</span>)</div><div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#a21a5311cd9c497676656d9da19063029"> 183</a></span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a21a5311cd9c497676656d9da19063029">txouts</a> = []</div><div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#a3d6e16e192aa2b64cacb96d84455235b"> 184</a></span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a3d6e16e192aa2b64cacb96d84455235b">txouts2</a> = []</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment"># Split a coinbase into two transaction puzzle outputs</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="namespacesmartfees.html#ab04aab9bf2b8bcd5cb6f8a02b5f6d523">split_inputs</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0], self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0].<a class="code" href="server_8h.html#a465ffe9ab07fa4986f64d618404ba7c3">listunspent</a>(0), self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a21a5311cd9c497676656d9da19063029">txouts</a>, <span class="keyword">True</span>)</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment"># Mine</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">while</span> (len(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0].<a class="code" href="blockchain_8cpp.html#a44f5bbe5b8c41540712ec39d2ece88a9">getrawmempool</a>()) > 0):</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0].<a class="code" href="mining_8cpp.html#afc5f2c0cbe40a2f876b46df2929cf359">generate</a>(1)</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment"># Repeatedly split those 2 outputs, doubling twice for each rep</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment"># Use txouts to monitor the available utxo, since these won't be tracked in wallet</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  reps = 0</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">while</span> (reps < 5):</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">#Double txouts to txouts2</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">while</span> (len(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a21a5311cd9c497676656d9da19063029">txouts</a>)>0):</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="namespacesmartfees.html#ab04aab9bf2b8bcd5cb6f8a02b5f6d523">split_inputs</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0], self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a21a5311cd9c497676656d9da19063029">txouts</a>, self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a3d6e16e192aa2b64cacb96d84455235b">txouts2</a>)</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">while</span> (len(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0].<a class="code" href="blockchain_8cpp.html#a44f5bbe5b8c41540712ec39d2ece88a9">getrawmempool</a>()) > 0):</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0].<a class="code" href="mining_8cpp.html#afc5f2c0cbe40a2f876b46df2929cf359">generate</a>(1)</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">#Double txouts2 to txouts</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">while</span> (len(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a3d6e16e192aa2b64cacb96d84455235b">txouts2</a>)>0):</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="namespacesmartfees.html#ab04aab9bf2b8bcd5cb6f8a02b5f6d523">split_inputs</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0], self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a3d6e16e192aa2b64cacb96d84455235b">txouts2</a>, self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a21a5311cd9c497676656d9da19063029">txouts</a>)</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">while</span> (len(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0].<a class="code" href="blockchain_8cpp.html#a44f5bbe5b8c41540712ec39d2ece88a9">getrawmempool</a>()) > 0):</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0].<a class="code" href="mining_8cpp.html#afc5f2c0cbe40a2f876b46df2929cf359">generate</a>(1)</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  reps += 1</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  print(<span class="stringliteral">"Finished splitting"</span>)</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment"># Now we can connect the other nodes, didn't want to connect them earlier</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment"># so the estimates would not be affected by the splitting transactions</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment"># Node1 mines small blocks but that are bigger than the expected transaction rate,</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment"># and allows free transactions.</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment"># NOTE: the CreateNewBlock code starts counting block size at 1,000 bytes,</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment"># (17k is room enough for 110 or so transactions)</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>.append(<a class="code" href="namespacetest__framework_1_1util.html#aebc7ae4dc3512e677020141c7370b2e1">start_node</a>(1, self.options.tmpdir,</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  [<span class="stringliteral">"-blockprioritysize=1500"</span>, <span class="stringliteral">"-blockmaxsize=17000"</span>,</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="stringliteral">"-maxorphantx=1000"</span>, <span class="stringliteral">"-relaypriority=0"</span>, <span class="stringliteral">"-debug=estimatefee"</span>]))</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <a class="code" href="namespacetest__framework_1_1util.html#aa1eacfbd44ba6019d659733acf4b1a71">connect_nodes</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[1], 0)</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment"># Node2 is a stingy miner, that</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment"># produces too small blocks (room for only 55 or so transactions)</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  node2args = [<span class="stringliteral">"-blockprioritysize=0"</span>, <span class="stringliteral">"-blockmaxsize=8000"</span>, <span class="stringliteral">"-maxorphantx=1000"</span>, <span class="stringliteral">"-relaypriority=0"</span>]</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>.append(<a class="code" href="namespacetest__framework_1_1util.html#aebc7ae4dc3512e677020141c7370b2e1">start_node</a>(2, self.options.tmpdir, node2args))</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="namespacetest__framework_1_1util.html#aa1eacfbd44ba6019d659733acf4b1a71">connect_nodes</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0], 2)</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="namespacetest__framework_1_1util.html#aa1eacfbd44ba6019d659733acf4b1a71">connect_nodes</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[2], 1)</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#a5b9099de0a702568bea3e5576badc19e"> 228</a></span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a5b9099de0a702568bea3e5576badc19e">is_network_split</a> = <span class="keyword">False</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  self.<a class="code" href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html#a65b65b5369351341c6bc4c481a56fb20">sync_all</a>()</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#affc7641b4e0aa66d3c825b1d7ff63228"> 231</a></span>  <span class="keyword">def </span><a class="code" href="classsmartfees_1_1EstimateFeeTest.html#affc7641b4e0aa66d3c825b1d7ff63228">transact_and_mine</a>(self, numblocks, mining_node):</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  min_fee = Decimal(<span class="stringliteral">"0.0001"</span>)</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment"># We will now mine numblocks blocks generating on average 100 transactions between each block</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment"># We shuffle our confirmed txout set before each set of transactions</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment"># small_txpuzzle_randfee will use the transactions that have inputs already in the chain when possible</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment"># resorting to tx's that depend on the mempool when those run out</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">for</span> i <span class="keywordflow">in</span> range(numblocks):</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  random.shuffle(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a7055190767caf9a257b1431917e3a048">confutxo</a>)</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">for</span> j <span class="keywordflow">in</span> range(random.randrange(100-50,100+50)):</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  from_index = random.randint(1,2)</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  (txhex, fee) = <a class="code" href="namespacesmartfees.html#ac5f204405afc52e283a9cbf8142d9f8e">small_txpuzzle_randfee</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[from_index], self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a7055190767caf9a257b1431917e3a048">confutxo</a>,</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#aa18916b123a81f5f4143b1b421154d5f">memutxo</a>, Decimal(<span class="stringliteral">"0.005"</span>), min_fee, min_fee)</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  tx_kbytes = (len(txhex) // 2) / 1000.0</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a2ccef778b11303787dff702aaa133d66">fees_per_kb</a>.append(float(fee)/tx_kbytes)</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="namespacetest__framework_1_1util.html#a7564b2d8364eadc29117e34d1cd00ad4">sync_mempools</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0:3],.1)</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  mined = mining_node.getblock(mining_node.generate(1)[0],<span class="keyword">True</span>)[<span class="stringliteral">"tx"</span>]</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <a class="code" href="namespacetest__framework_1_1util.html#aa20567f95203db19bbd3bf531ddabff6">sync_blocks</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0:3],.1)</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="comment"># update which txouts are confirmed</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  newmem = []</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">for</span> utx <span class="keywordflow">in</span> self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#aa18916b123a81f5f4143b1b421154d5f">memutxo</a>:</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">if</span> utx[<span class="stringliteral">"txid"</span>] <span class="keywordflow">in</span> mined:</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a7055190767caf9a257b1431917e3a048">confutxo</a>.append(utx)</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">else</span>:</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  newmem.append(utx)</div><div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#aa18916b123a81f5f4143b1b421154d5f"> 255</a></span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#aa18916b123a81f5f4143b1b421154d5f">memutxo</a> = newmem</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00257"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#a298a019d44768b4ac49b5d4262e78f10"> 257</a></span>  <span class="keyword">def </span><a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a298a019d44768b4ac49b5d4262e78f10">run_test</a>(self):</div><div class="line"><a name="l00258"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#a2ccef778b11303787dff702aaa133d66"> 258</a></span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a2ccef778b11303787dff702aaa133d66">fees_per_kb</a> = []</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#aa18916b123a81f5f4143b1b421154d5f">memutxo</a> = []</div><div class="line"><a name="l00260"></a><span class="lineno"><a class="line" href="classsmartfees_1_1EstimateFeeTest.html#a7055190767caf9a257b1431917e3a048"> 260</a></span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a7055190767caf9a257b1431917e3a048">confutxo</a> = self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a21a5311cd9c497676656d9da19063029">txouts</a> <span class="comment"># Start with the set of confirmed txouts after splitting</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  print(<span class="stringliteral">"Will output estimates for 1/2/3/6/15/25 blocks"</span>)</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">for</span> i <span class="keywordflow">in</span> xrange(2):</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  print(<span class="stringliteral">"Creating transactions and mining them with a block size that can't keep up"</span>)</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment"># Create transactions and mine 10 small blocks with node 2, but create txs faster than we can mine</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#affc7641b4e0aa66d3c825b1d7ff63228">transact_and_mine</a>(10, self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[2])</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="namespacesmartfees.html#a7b2c13a4e712459ac15f99e967a7052c">check_estimates</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[1], self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a2ccef778b11303787dff702aaa133d66">fees_per_kb</a>, 14)</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  print(<span class="stringliteral">"Creating transactions and mining them at a block size that is just big enough"</span>)</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment"># Generate transactions while mining 10 more blocks, this time with node1</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment"># which mines blocks with capacity just above the rate that transactions are being created</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#affc7641b4e0aa66d3c825b1d7ff63228">transact_and_mine</a>(10, self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[1])</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <a class="code" href="namespacesmartfees.html#a7b2c13a4e712459ac15f99e967a7052c">check_estimates</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[1], self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a2ccef778b11303787dff702aaa133d66">fees_per_kb</a>, 2)</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment"># Finish by mining a normal-sized block:</span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">while</span> len(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[1].<a class="code" href="blockchain_8cpp.html#a44f5bbe5b8c41540712ec39d2ece88a9">getrawmempool</a>()) > 0:</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[1].<a class="code" href="mining_8cpp.html#afc5f2c0cbe40a2f876b46df2929cf359">generate</a>(1)</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="namespacetest__framework_1_1util.html#aa20567f95203db19bbd3bf531ddabff6">sync_blocks</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[0:3],.1)</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  print(<span class="stringliteral">"Final estimates after emptying mempools"</span>)</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <a class="code" href="namespacesmartfees.html#a7b2c13a4e712459ac15f99e967a7052c">check_estimates</a>(self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">nodes</a>[1], self.<a class="code" href="classsmartfees_1_1EstimateFeeTest.html#a2ccef778b11303787dff702aaa133d66">fees_per_kb</a>, 2)</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="keywordflow">if</span> __name__ == <span class="stringliteral">'__main__'</span>:</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <a class="code" href="classsmartfees_1_1EstimateFeeTest.html">EstimateFeeTest</a>().<a class="code" href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html#a076857f5499c37bacf64a8ccb6ba5197">main</a>()</div><div class="ttc" id="classsmartfees_1_1EstimateFeeTest_html_aa18916b123a81f5f4143b1b421154d5f"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#aa18916b123a81f5f4143b1b421154d5f">smartfees.EstimateFeeTest.memutxo</a></div><div class="ttdeci">memutxo</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00255">smartfees.py:255</a></div></div>
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<div class="ttc" id="classsmartfees_1_1EstimateFeeTest_html_a7055190767caf9a257b1431917e3a048"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#a7055190767caf9a257b1431917e3a048">smartfees.EstimateFeeTest.confutxo</a></div><div class="ttdeci">confutxo</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00260">smartfees.py:260</a></div></div>
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<div class="ttc" id="namespacesmartfees_html_ab04aab9bf2b8bcd5cb6f8a02b5f6d523"><div class="ttname"><a href="namespacesmartfees.html#ab04aab9bf2b8bcd5cb6f8a02b5f6d523">smartfees.split_inputs</a></div><div class="ttdeci">def split_inputs(from_node, txins, txouts, initial_split=False)</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00094">smartfees.py:94</a></div></div>
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<div class="ttc" id="server_8h_html_a465ffe9ab07fa4986f64d618404ba7c3"><div class="ttname"><a href="server_8h.html#a465ffe9ab07fa4986f64d618404ba7c3">listunspent</a></div><div class="ttdeci">UniValue listunspent(const UniValue &params, bool fHelp)</div><div class="ttdef"><b>Definition:</b> <a href="rpcwallet_8cpp_source.html#l02533">rpcwallet.cpp:2533</a></div></div>
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<div class="ttc" id="namespacesmartfees_html_ae9dcb2bd8269740a62a65dd3ebd1f3d8"><div class="ttname"><a href="namespacesmartfees.html#ae9dcb2bd8269740a62a65dd3ebd1f3d8">smartfees.swap_outputs_in_rawtx</a></div><div class="ttdeci">def swap_outputs_in_rawtx(rawtx, outputs, inputnum)</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00029">smartfees.py:29</a></div></div>
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<div class="ttc" id="classsmartfees_1_1EstimateFeeTest_html_a9c7d2c040304fcc1d09d280841afbba1"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#a9c7d2c040304fcc1d09d280841afbba1">smartfees.EstimateFeeTest.setup_network</a></div><div class="ttdeci">def setup_network(self)</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00170">smartfees.py:170</a></div></div>
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<div class="ttc" id="namespacetest__framework_1_1util_html_aa1eacfbd44ba6019d659733acf4b1a71"><div class="ttname"><a href="namespacetest__framework_1_1util.html#aa1eacfbd44ba6019d659733acf4b1a71">test_framework.util.connect_nodes</a></div><div class="ttdeci">def connect_nodes(from_connection, node_num)</div><div class="ttdef"><b>Definition:</b> <a href="util_8py_source.html#l00343">util.py:343</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="namespacetest__framework_1_1util_html_a7564b2d8364eadc29117e34d1cd00ad4"><div class="ttname"><a href="namespacetest__framework_1_1util.html#a7564b2d8364eadc29117e34d1cd00ad4">test_framework.util.sync_mempools</a></div><div class="ttdeci">def sync_mempools(rpc_connections, wait=1)</div><div class="ttdef"><b>Definition:</b> <a href="util_8py_source.html#l00127">util.py:127</a></div></div>
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<div class="ttc" id="classsmartfees_1_1EstimateFeeTest_html_affc7641b4e0aa66d3c825b1d7ff63228"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#affc7641b4e0aa66d3c825b1d7ff63228">smartfees.EstimateFeeTest.transact_and_mine</a></div><div class="ttdeci">def transact_and_mine(self, numblocks, mining_node)</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00231">smartfees.py:231</a></div></div>
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<div class="ttc" id="namespacesmartfees_html_ac5f204405afc52e283a9cbf8142d9f8e"><div class="ttname"><a href="namespacesmartfees.html#ac5f204405afc52e283a9cbf8142d9f8e">smartfees.small_txpuzzle_randfee</a></div><div class="ttdeci">def small_txpuzzle_randfee(from_node, conflist, unconflist, amount, min_fee, fee_increment)</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00043">smartfees.py:43</a></div></div>
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<div class="ttc" id="namespacesmartfees_html_a7b2c13a4e712459ac15f99e967a7052c"><div class="ttname"><a href="namespacesmartfees.html#a7b2c13a4e712459ac15f99e967a7052c">smartfees.check_estimates</a></div><div class="ttdeci">def check_estimates(node, fees_seen, max_invalid, print_estimates=True)</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00119">smartfees.py:119</a></div></div>
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<div class="ttc" id="namespacetest__framework_1_1util_html_a2d6cbb1015ca6a97273de4dcf5be900c"><div class="ttname"><a href="namespacetest__framework_1_1util.html#a2d6cbb1015ca6a97273de4dcf5be900c">test_framework.util.satoshi_round</a></div><div class="ttdeci">def satoshi_round(amount)</div><div class="ttdef"><b>Definition:</b> <a href="util_8py_source.html#l00525">util.py:525</a></div></div>
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<div class="ttc" id="classsmartfees_1_1EstimateFeeTest_html_a21a5311cd9c497676656d9da19063029"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#a21a5311cd9c497676656d9da19063029">smartfees.EstimateFeeTest.txouts</a></div><div class="ttdeci">txouts</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00183">smartfees.py:183</a></div></div>
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<div class="ttc" id="classsmartfees_1_1DecimalEncoder_html_ab7fefd070c929b8f6054da5f60009c8a"><div class="ttname"><a href="classsmartfees_1_1DecimalEncoder.html#ab7fefd070c929b8f6054da5f60009c8a">smartfees.DecimalEncoder.default</a></div><div class="ttdeci">def default(self, o)</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00024">smartfees.py:24</a></div></div>
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<div class="ttc" id="namespacetest__framework_1_1util_html_aebc7ae4dc3512e677020141c7370b2e1"><div class="ttname"><a href="namespacetest__framework_1_1util.html#aebc7ae4dc3512e677020141c7370b2e1">test_framework.util.start_node</a></div><div class="ttdeci">def start_node(i, dirname, extra_args=None, rpchost=None, timewait=None, binary=None)</div><div class="ttdef"><b>Definition:</b> <a href="util_8py_source.html#l00281">util.py:281</a></div></div>
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<div class="ttc" id="classsmartfees_1_1EstimateFeeTest_html_af26c3374a43e19726734c59df6cae9fb"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#af26c3374a43e19726734c59df6cae9fb">smartfees.EstimateFeeTest.nodes</a></div><div class="ttdeci">nodes</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00176">smartfees.py:176</a></div></div>
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<div class="ttc" id="mining_8cpp_html_afc5f2c0cbe40a2f876b46df2929cf359"><div class="ttname"><a href="mining_8cpp.html#afc5f2c0cbe40a2f876b46df2929cf359">generate</a></div><div class="ttdeci">UniValue generate(const UniValue &params, bool fHelp)</div><div class="ttdef"><b>Definition:</b> <a href="mining_8cpp_source.html#l00122">mining.cpp:122</a></div></div>
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<div class="ttc" id="namespacetest__framework_1_1util_html_aa20567f95203db19bbd3bf531ddabff6"><div class="ttname"><a href="namespacetest__framework_1_1util.html#aa20567f95203db19bbd3bf531ddabff6">test_framework.util.sync_blocks</a></div><div class="ttdeci">def sync_blocks(rpc_connections, wait=1)</div><div class="ttdef"><b>Definition:</b> <a href="util_8py_source.html#l00117">util.py:117</a></div></div>
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<div class="ttc" id="blockchain_8cpp_html_a44f5bbe5b8c41540712ec39d2ece88a9"><div class="ttname"><a href="blockchain_8cpp.html#a44f5bbe5b8c41540712ec39d2ece88a9">getrawmempool</a></div><div class="ttdeci">UniValue getrawmempool(const UniValue &params, bool fHelp)</div><div class="ttdef"><b>Definition:</b> <a href="blockchain_8cpp_source.html#l00234">blockchain.cpp:234</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="classsmartfees_1_1EstimateFeeTest_html_a3d6e16e192aa2b64cacb96d84455235b"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#a3d6e16e192aa2b64cacb96d84455235b">smartfees.EstimateFeeTest.txouts2</a></div><div class="ttdeci">txouts2</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00184">smartfees.py:184</a></div></div>
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<div class="ttc" id="classsmartfees_1_1EstimateFeeTest_html_a5b9099de0a702568bea3e5576badc19e"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#a5b9099de0a702568bea3e5576badc19e">smartfees.EstimateFeeTest.is_network_split</a></div><div class="ttdeci">is_network_split</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00228">smartfees.py:228</a></div></div>
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<div class="ttc" id="classsmartfees_1_1DecimalEncoder_html"><div class="ttname"><a href="classsmartfees_1_1DecimalEncoder.html">smartfees.DecimalEncoder</a></div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00023">smartfees.py:23</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="classsmartfees_1_1EstimateFeeTest_html_a2ccef778b11303787dff702aaa133d66"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#a2ccef778b11303787dff702aaa133d66">smartfees.EstimateFeeTest.fees_per_kb</a></div><div class="ttdeci">fees_per_kb</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00258">smartfees.py:258</a></div></div>
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<div class="ttc" id="namespacetest__framework_1_1util_html_ad3df488aacbcdc741bbb9eb66caddd6b"><div class="ttname"><a href="namespacetest__framework_1_1util.html#ad3df488aacbcdc741bbb9eb66caddd6b">test_framework.util.assert_equal</a></div><div class="ttdeci">def assert_equal(thing1, thing2)</div><div class="ttdef"><b>Definition:</b> <a href="util_8py_source.html#l00461">util.py:461</a></div></div>
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<div class="ttc" id="classsmartfees_1_1EstimateFeeTest_html"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html">smartfees.EstimateFeeTest</a></div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00168">smartfees.py:168</a></div></div>
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<div class="ttc" id="classtest__framework_1_1test__framework_1_1BitcoinTestFramework_html_a65b65b5369351341c6bc4c481a56fb20"><div class="ttname"><a href="classtest__framework_1_1test__framework_1_1BitcoinTestFramework.html#a65b65b5369351341c6bc4c481a56fb20">test_framework.test_framework.BitcoinTestFramework.sync_all</a></div><div class="ttdeci">def sync_all(self)</div><div class="ttdef"><b>Definition:</b> <a href="test__framework_8py_source.html#l00078">test_framework.py:78</a></div></div>
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<div class="ttc" id="classsmartfees_1_1EstimateFeeTest_html_a298a019d44768b4ac49b5d4262e78f10"><div class="ttname"><a href="classsmartfees_1_1EstimateFeeTest.html#a298a019d44768b4ac49b5d4262e78f10">smartfees.EstimateFeeTest.run_test</a></div><div class="ttdeci">def run_test(self)</div><div class="ttdef"><b>Definition:</b> <a href="smartfees_8py_source.html#l00257">smartfees.py:257</a></div></div>
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