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<div class="title">wallet_tests.cpp</div> </div>
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<a href="wallet__tests_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright (c) 2012-2015 The Bitcoin Core developers</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Distributed under the MIT software license, see the accompanying</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// file COPYING or http://www.opensource.org/licenses/mit-license.php.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="wallet_8h.html">wallet/wallet.h</a>&quot;</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;set&gt;</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;stdint.h&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;test/test_dash.h&quot;</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &lt;boost/foreach.hpp&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &lt;boost/test/unit_test.hpp&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">// how many times to run all the tests to have a chance to catch errors that only show up with particular random shuffles</span></div><div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#add319e05a28b292db3c140c41788db65"> 18</a></span>&#160;<span class="preprocessor">#define RUN_TESTS 100</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment">// some tests fail 1% of the time due to bad luck.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment">// we repeat those tests this many times and only complain if all iterations of the test fail</span></div><div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#ac0bb16c4c20b230e7a044546cb1204e8"> 22</a></span>&#160;<span class="preprocessor">#define RANDOM_REPEATS 5</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#afedf556ea571f612358e1ea41b63a3b5"> 26</a></span>&#160;<span class="keyword">typedef</span> set&lt;pair&lt;const CWalletTx*,unsigned int&gt; &gt; <a class="code" href="wallet__tests_8cpp.html#afedf556ea571f612358e1ea41b63a3b5">CoinSet</a>;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;BOOST_FIXTURE_TEST_SUITE(wallet_tests, TestingSetup)</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#a9c00a4ed4cd5678f0f6e10271c5de56e"> 30</a></span>&#160;static <a class="code" href="classCWallet.html">CWallet</a> <a class="code" href="namespacewallet.html">wallet</a>;</div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d"> 31</a></span>&#160;static vector&lt;<a class="code" href="classCOutput.html">COutput</a>&gt; <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30"> 33</a></span>&#160;static <span class="keywordtype">void</span> <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(const <a class="code" href="amount_8h.html#a4eaf3a5239714d8c45b851527f7cb564">CAmount</a>&amp; nValue, <span class="keywordtype">int</span> nAge = 6*24, <span class="keywordtype">bool</span> fIsFromMe = false, <span class="keywordtype">int</span> nInput=0)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;{</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keyword">static</span> <span class="keywordtype">int</span> nextLockTime = 0;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <a class="code" href="structCMutableTransaction.html">CMutableTransaction</a> tx;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; tx.<a class="code" href="structCMutableTransaction.html#ae9685a37d424cd00e3badda28260c848">nLockTime</a> = nextLockTime++; <span class="comment">// so all transactions get different hashes</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; tx.<a class="code" href="structCMutableTransaction.html#aca14a252c78e4af2dfe68d7ea67a77dc">vout</a>.resize(nInput+1);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; tx.<a class="code" href="structCMutableTransaction.html#aca14a252c78e4af2dfe68d7ea67a77dc">vout</a>[nInput].nValue = nValue;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">if</span> (fIsFromMe) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="comment">// IsFromMe() returns (GetDebit() &gt; 0), and GetDebit() is 0 if vin.empty(),</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="comment">// so stop vin being empty, and cache a non-zero Debit to fake out IsFromMe()</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; tx.<a class="code" href="structCMutableTransaction.html#ad6b1a0a773293fd153a1d384923631da">vin</a>.resize(1);</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <a class="code" href="classCWalletTx.html">CWalletTx</a>* wtx = <span class="keyword">new</span> <a class="code" href="classCWalletTx.html">CWalletTx</a>(&amp;<a class="code" href="namespacewallet.html">wallet</a>, tx);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordflow">if</span> (fIsFromMe)</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; wtx-&gt;<a class="code" href="classCWalletTx.html#ad2dca68c99f2e677e5999c9872a269da">fDebitCached</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; wtx-&gt;<a class="code" href="classCWalletTx.html#aafed9b6aeecef4f9159ee73a8d69262d">nDebitCached</a> = 1;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <a class="code" href="classCOutput.html">COutput</a> output(wtx, nInput, nAge, <span class="keyword">true</span>, <span class="keyword">true</span>);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>.push_back(output);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;}</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb"> 55</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;{</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; BOOST_FOREACH(<a class="code" href="classCOutput.html">COutput</a> output, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>)</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">delete</span> output.<a class="code" href="classCOutput.html#ad5c15e7a2dc48258127b8fd5db421ad5">tx</a>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>.clear();</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;}</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#ab0591c258c0defdd03553c8d5f06cc49"> 62</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="wallet__tests_8cpp.html#ab0591c258c0defdd03553c8d5f06cc49">equal_sets</a>(<a class="code" href="wallet__tests_8cpp.html#afedf556ea571f612358e1ea41b63a3b5">CoinSet</a> a, <a class="code" href="wallet__tests_8cpp.html#afedf556ea571f612358e1ea41b63a3b5">CoinSet</a> b)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;{</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; pair&lt;CoinSet::iterator, CoinSet::iterator&gt; ret = mismatch(a.begin(), a.end(), b.begin());</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">return</span> ret.first == a.end() &amp;&amp; ret.second == b.end();</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;}</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#aab7a824695edf3faa00177e0aff1221b"> 68</a></span>&#160;<a class="code" href="wallet__tests_8cpp.html#aab7a824695edf3faa00177e0aff1221b">BOOST_AUTO_TEST_CASE</a>(coin_selection_tests)</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;{</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <a class="code" href="wallet__tests_8cpp.html#afedf556ea571f612358e1ea41b63a3b5">CoinSet</a> setCoinsRet, setCoinsRet2;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <a class="code" href="amount_8h.html#a4eaf3a5239714d8c45b851527f7cb564">CAmount</a> nValueRet;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <a class="code" href="sync_8h.html#a911fe23f057c2fe5aad629162d6c99d0">LOCK</a>(<a class="code" href="namespacewallet.html">wallet</a>.cs_wallet);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="comment">// test multiple times to allow for differences in the shuffle order</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="wallet__tests_8cpp.html#add319e05a28b292db3c140c41788db65">RUN_TESTS</a>; i++)</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; {</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// with an empty wallet we can&#39;t even pay one cent</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; BOOST_CHECK(!<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf( 1 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(1*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 4); <span class="comment">// add a new 1 cent coin</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="comment">// with a new 1 cent coin, we still can&#39;t find a mature 1 cent</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; BOOST_CHECK(!<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf( 1 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="comment">// but we can find a new 1 cent</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf( 1 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 1 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(2*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// add a mature 2 cent coin</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="comment">// we can&#39;t make 3 cents of mature coins</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; BOOST_CHECK(!<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf( 3 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="comment">// we can make 3 cents of new coins</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf( 3 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 3 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(5*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// add a mature 5 cent coin,</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(10*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 3, <span class="keyword">true</span>); <span class="comment">// a new 10 cent coin sent from one of our own addresses</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(20*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// and a mature 20 cent coin</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="comment">// now we have new: 1+10=11 (of which 10 was self-sent), and mature: 2+5+20=27. total = 38</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="comment">// we can&#39;t make 38 cents only if we disallow new coins:</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; BOOST_CHECK(!<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(38 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="comment">// we can&#39;t even make 37 cents if we don&#39;t allow new coins even if they&#39;re from us</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; BOOST_CHECK(!<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(38 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 6, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="comment">// but we can make 37 cents if we accept new coins from ourself</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(37 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 37 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="comment">// and we can make 38 cents if we accept all new coins</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(38 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 38 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="comment">// try making 34 cents from 1,2,5,10,20 - we can&#39;t do it exactly</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(34 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 35 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// but 35 cents is closest</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U); <span class="comment">// the best should be 20+10+5. it&#39;s incredibly unlikely the 1 or 2 got included (but possible)</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">// when we try making 7 cents, the smaller coins (1,2,5) are enough. We should see just 2+5</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf( 7 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 7 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="comment">// when we try making 8 cents, the smaller coins (1,2,5) are exactly enough.</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf( 8 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; BOOST_CHECK(nValueRet == 8 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="comment">// when we try making 9 cents, no subset of smaller coins is enough, and we get the next bigger coin (10)</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf( 9 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 10 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="comment">// now clear out the wallet and start again to test choosing between subsets of smaller coins and the next biggest coin</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 6*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 7*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 8*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(20*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(30*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// now we have 6+7+8+20+30 = 71 cents total</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="comment">// check that we have 71 and not 72</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(71 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; BOOST_CHECK(!<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(72 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="comment">// now try making 16 cents. the best smaller coins can do is 6+7+8 = 21; not as good at the next biggest coin, 20</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(16 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 20 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// we should get 20 in one coin</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 5*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// now we have 5+6+7+8+20+30 = 75 cents total</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="comment">// now if we try making 16 cents again, the smaller coins can make 5+6+7 = 18 cents, better than the next biggest coin, 20</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(16 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 18 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// we should get 18 in 3 coins</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U);</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 18*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// now we have 5+6+7+8+18+20+30</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="comment">// and now if we try making 16 cents again, the smaller coins can make 5+6+7 = 18 cents, the same as the next biggest coin, 18</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(16 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 18 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <span class="comment">// we should get 18 in 1 coin</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); <span class="comment">// because in the event of a tie, the biggest coin wins</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="comment">// now try making 11 cents. we should get 5+6</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(11 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 11 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="comment">// check that the smallest bigger coin is used</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 1*<a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 2*<a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 3*<a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 4*<a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>); <span class="comment">// now we have 5+6+7+8+18+20+30+100+200+300+400 = 1094 cents</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(95 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 1 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>); <span class="comment">// we should get 1 BTC in 1 coin</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(195 * <a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 2 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>); <span class="comment">// we should get 2 BTC in 1 coin</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="comment">// empty the wallet and start again, now with fractions of a cent, to test small change avoidance</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.1*<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.2*<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.3*<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.4*<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.5*<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="comment">// try making 1 * MIN_CHANGE from the 1.5 * MIN_CHANGE</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="comment">// we&#39;ll get change smaller than MIN_CHANGE whatever happens, so can expect MIN_CHANGE exactly</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; BOOST_CHECK_EQUAL(nValueRet, <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="comment">// but if we add a bigger coin, small change is avoided</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(1111*<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="comment">// try making 1 from 0.1 + 0.2 + 0.3 + 0.4 + 0.5 + 1111 = 1112.5</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(1 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 1 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>); <span class="comment">// we should get the exact amount</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="comment">// if we add more small coins:</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.6*<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.7*<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="comment">// and try again to make 1.0 * MIN_CHANGE</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(1 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 1 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>); <span class="comment">// we should get the exact amount</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="comment">// run the &#39;mtgox&#39; test (see http://blockexplorer.com/tx/29a3efd3ef04f9153d47a990bd7b048a4b2d213daaa5fb8ed670fb85f13bdbcf)</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="comment">// they tried to consolidate 10 50k coins into one 500k coin, and ended up with 50k in change</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; 20; i++)</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(50000 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(500000 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 500000 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>); <span class="comment">// we should get the exact amount</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 10U); <span class="comment">// in ten coins</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="comment">// if there&#39;s not enough in the smaller coins to make at least 1 * MIN_CHANGE change (0.5+0.6+0.7 &lt; 1.0+1.0),</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="comment">// we need to try finding an exact subset anyway</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="comment">// sometimes it will fail, and so we use the next biggest coin:</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.5 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.6 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.7 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(1111 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(1 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 1111 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>); <span class="comment">// we get the bigger coin</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="comment">// but sometimes it&#39;s possible, and we use an exact subset (0.4 + 0.6 = 1.0)</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.4 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.6 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.8 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(1111 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(<a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; BOOST_CHECK_EQUAL(nValueRet, <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>); <span class="comment">// we should get the exact amount</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); <span class="comment">// in two coins 0.4+0.6</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160;</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; <span class="comment">// test avoiding small change</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(0.05 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(1 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(100 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160;</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; <span class="comment">// trying to make 100.01 from these three coins</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(100.01 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 101.05 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>); <span class="comment">// we should get all coins</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U);</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="comment">// but if we try to make 99.9, we should take the bigger of the two small coins to avoid small change</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; BOOST_CHECK( <a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(99.9 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 101 * <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>);</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U);</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160;</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="comment">// test with many inputs</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="amount_8h.html#a4eaf3a5239714d8c45b851527f7cb564">CAmount</a> amt=1500; amt &lt; <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>; amt*=10) {</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="comment">// Create 676 inputs (= MAX_STANDARD_TX_SIZE / 148 bytes per input)</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="keywordflow">for</span> (uint16_t j = 0; j &lt; 676; j++)</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(amt);</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; BOOST_CHECK(<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(2000, 1, 1, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="keywordflow">if</span> (amt - 2000 &lt; <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>) {</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; <span class="comment">// needs more than one input:</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; uint16_t returnSize = std::ceil((2000.0 + <a class="code" href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a>)/amt);</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <a class="code" href="amount_8h.html#a4eaf3a5239714d8c45b851527f7cb564">CAmount</a> returnValue = amt * returnSize;</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; BOOST_CHECK_EQUAL(nValueRet, returnValue);</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), returnSize);</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; <span class="comment">// one input is sufficient:</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; BOOST_CHECK_EQUAL(nValueRet, amt);</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; }</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; }</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160;</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; <span class="comment">// test randomness</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; {</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i2 = 0; i2 &lt; 100; i2++)</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(<a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; <span class="comment">// picking 50 from 100 coins doesn&#39;t depend on the shuffle,</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; <span class="comment">// but does depend on randomness in the stochastic approximation code</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; BOOST_CHECK(<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(50 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet , nValueRet));</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; BOOST_CHECK(<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(50 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet2, nValueRet));</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; BOOST_CHECK(!<a class="code" href="wallet__tests_8cpp.html#ab0591c258c0defdd03553c8d5f06cc49">equal_sets</a>(setCoinsRet, setCoinsRet2));</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160;</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; <span class="keywordtype">int</span> fails = 0;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="wallet__tests_8cpp.html#ac0bb16c4c20b230e7a044546cb1204e8">RANDOM_REPEATS</a>; i++)</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; {</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="comment">// selecting 1 from 100 identical coins depends on the shuffle; this test will fail 1% of the time</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; <span class="comment">// run the test RANDOM_REPEATS times and only complain if all of them fail</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; BOOST_CHECK(<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(<a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet , nValueRet));</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; BOOST_CHECK(<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(<a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet2, nValueRet));</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="wallet__tests_8cpp.html#ab0591c258c0defdd03553c8d5f06cc49">equal_sets</a>(setCoinsRet, setCoinsRet2))</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; fails++;</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; }</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; BOOST_CHECK_NE(fails, <a class="code" href="wallet__tests_8cpp.html#ac0bb16c4c20b230e7a044546cb1204e8">RANDOM_REPEATS</a>);</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160;</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; <span class="comment">// add 75 cents in small change. not enough to make 90 cents,</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="comment">// then try making 90 cents. there are multiple competing &quot;smallest bigger&quot; coins,</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="comment">// one of which should be picked at random</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>( 5*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(10*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(15*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(20*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>); <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(25*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>);</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160;</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; fails = 0;</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="wallet__tests_8cpp.html#ac0bb16c4c20b230e7a044546cb1204e8">RANDOM_REPEATS</a>; i++)</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; {</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; <span class="comment">// selecting 1 from 100 identical coins depends on the shuffle; this test will fail 1% of the time</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; <span class="comment">// run the test RANDOM_REPEATS times and only complain if all of them fail</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; BOOST_CHECK(<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(90*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet , nValueRet));</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; BOOST_CHECK(<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(90*<a class="code" href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet2, nValueRet));</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="wallet__tests_8cpp.html#ab0591c258c0defdd03553c8d5f06cc49">equal_sets</a>(setCoinsRet, setCoinsRet2))</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; fails++;</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; }</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; BOOST_CHECK_NE(fails, <a class="code" href="wallet__tests_8cpp.html#ac0bb16c4c20b230e7a044546cb1204e8">RANDOM_REPEATS</a>);</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; }</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; }</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160;}</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;</div><div class="line"><a name="l00331"></a><span class="lineno"><a class="line" href="wallet__tests_8cpp.html#a33d50a55ecfc5e7c3fb2ae1ff5867103"> 331</a></span>&#160;<a class="code" href="wallet__tests_8cpp.html#aab7a824695edf3faa00177e0aff1221b">BOOST_AUTO_TEST_CASE</a>(<a class="code" href="group__Actions.html#ga5120281db2d155cd8254c692267c9d37">ApproximateBestSubset</a>)</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160;{</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; <a class="code" href="wallet__tests_8cpp.html#afedf556ea571f612358e1ea41b63a3b5">CoinSet</a> setCoinsRet;</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; <a class="code" href="amount_8h.html#a4eaf3a5239714d8c45b851527f7cb564">CAmount</a> nValueRet;</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160;</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <a class="code" href="sync_8h.html#a911fe23f057c2fe5aad629162d6c99d0">LOCK</a>(<a class="code" href="namespacewallet.html">wallet</a>.cs_wallet);</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160;</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160;</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; <span class="comment">// Test vValue sort order</span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; 1000; i++)</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(1000 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(3 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160;</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; BOOST_CHECK(<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(1003 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 1003 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U);</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160;</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; <a class="code" href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a>();</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160;</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; <span class="comment">// Test trimming</span></div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; 100; i++)</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(10 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; 100; i++)</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; <a class="code" href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a>(1000 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; BOOST_CHECK(<a class="code" href="namespacewallet.html">wallet</a>.SelectCoinsMinConf(100001 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>, 1, 6, <a class="code" href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a>, setCoinsRet, nValueRet));</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; <span class="comment">// We need all 100 larger coins and exactly one small coin.</span></div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; <span class="comment">// Superfluous small coins must be trimmed from the set:</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; BOOST_CHECK_EQUAL(nValueRet, 100010 * <a class="code" href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a>);</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; BOOST_CHECK_EQUAL(setCoinsRet.size(), 101);</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160;}</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160;</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160;BOOST_AUTO_TEST_SUITE_END()</div><div class="ttc" id="wallet__tests_8cpp_html_ac0bb16c4c20b230e7a044546cb1204e8"><div class="ttname"><a href="wallet__tests_8cpp.html#ac0bb16c4c20b230e7a044546cb1204e8">RANDOM_REPEATS</a></div><div class="ttdeci">#define RANDOM_REPEATS</div><div class="ttdef"><b>Definition:</b> <a href="wallet__tests_8cpp_source.html#l00022">wallet_tests.cpp:22</a></div></div>
<div class="ttc" id="structCMutableTransaction_html"><div class="ttname"><a href="structCMutableTransaction.html">CMutableTransaction</a></div><div class="ttdef"><b>Definition:</b> <a href="transaction_8h_source.html#l00303">transaction.h:303</a></div></div>
<div class="ttc" id="classCOutput_html_ad5c15e7a2dc48258127b8fd5db421ad5"><div class="ttname"><a href="classCOutput.html#ad5c15e7a2dc48258127b8fd5db421ad5">COutput::tx</a></div><div class="ttdeci">const CWalletTx * tx</div><div class="ttdef"><b>Definition:</b> <a href="wallet_8h_source.html#l00485">wallet.h:485</a></div></div>
<div class="ttc" id="classCOutput_html"><div class="ttname"><a href="classCOutput.html">COutput</a></div><div class="ttdef"><b>Definition:</b> <a href="wallet_8h_source.html#l00482">wallet.h:482</a></div></div>
<div class="ttc" id="classCWallet_html"><div class="ttname"><a href="classCWallet.html">CWallet</a></div><div class="ttdef"><b>Definition:</b> <a href="wallet_8h_source.html#l00617">wallet.h:617</a></div></div>
<div class="ttc" id="amount_8h_html_aed6bcb17bc73a5dcf33250e9c2c023cc"><div class="ttname"><a href="amount_8h.html#aed6bcb17bc73a5dcf33250e9c2c023cc">COIN</a></div><div class="ttdeci">static const CAmount COIN</div><div class="ttdef"><b>Definition:</b> <a href="amount_8h_source.html#l00016">amount.h:16</a></div></div>
<div class="ttc" id="wallet__tests_8cpp_html_afedf556ea571f612358e1ea41b63a3b5"><div class="ttname"><a href="wallet__tests_8cpp.html#afedf556ea571f612358e1ea41b63a3b5">CoinSet</a></div><div class="ttdeci">set&lt; pair&lt; const CWalletTx *, unsigned int &gt; &gt; CoinSet</div><div class="ttdef"><b>Definition:</b> <a href="wallet__tests_8cpp_source.html#l00026">wallet_tests.cpp:26</a></div></div>
<div class="ttc" id="classCWalletTx_html_ad2dca68c99f2e677e5999c9872a269da"><div class="ttname"><a href="classCWalletTx.html#ad2dca68c99f2e677e5999c9872a269da">CWalletTx::fDebitCached</a></div><div class="ttdeci">bool fDebitCached</div><div class="ttdoc">position in ordered transaction list </div><div class="ttdef"><b>Definition:</b> <a href="wallet_8h_source.html#l00291">wallet.h:291</a></div></div>
<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div></div>
<div class="ttc" id="structCMutableTransaction_html_ad6b1a0a773293fd153a1d384923631da"><div class="ttname"><a href="structCMutableTransaction.html#ad6b1a0a773293fd153a1d384923631da">CMutableTransaction::vin</a></div><div class="ttdeci">std::vector&lt; CTxIn &gt; vin</div><div class="ttdef"><b>Definition:</b> <a href="transaction_8h_source.html#l00306">transaction.h:306</a></div></div>
<div class="ttc" id="wallet__tests_8cpp_html_a7fdd0ac06d08043afaba23f1a6a33d30"><div class="ttname"><a href="wallet__tests_8cpp.html#a7fdd0ac06d08043afaba23f1a6a33d30">add_coin</a></div><div class="ttdeci">static void add_coin(const CAmount &amp;nValue, int nAge=6 *24, bool fIsFromMe=false, int nInput=0)</div><div class="ttdef"><b>Definition:</b> <a href="wallet__tests_8cpp_source.html#l00033">wallet_tests.cpp:33</a></div></div>
<div class="ttc" id="wallet_8h_html"><div class="ttname"><a href="wallet_8h.html">wallet.h</a></div></div>
<div class="ttc" id="group__Actions_html_ga5120281db2d155cd8254c692267c9d37"><div class="ttname"><a href="group__Actions.html#ga5120281db2d155cd8254c692267c9d37">ApproximateBestSubset</a></div><div class="ttdeci">static void ApproximateBestSubset(vector&lt; pair&lt; CAmount, pair&lt; const CWalletTx *, unsigned int &gt; &gt; &gt;vValue, const CAmount &amp;nTotalLower, const CAmount &amp;nTargetValue, vector&lt; char &gt; &amp;vfBest, CAmount &amp;nBest, int iterations=1000, bool fUseInstantSend=false)</div><div class="ttdef"><b>Definition:</b> <a href="wallet_8cpp_source.html#l02423">wallet.cpp:2423</a></div></div>
<div class="ttc" id="wallet_8h_html_a49f9ebdfbdb1dbabf084277c4d0f88d2"><div class="ttname"><a href="wallet_8h.html#a49f9ebdfbdb1dbabf084277c4d0f88d2">MIN_CHANGE</a></div><div class="ttdeci">static const CAmount MIN_CHANGE</div><div class="ttdoc">minimum change amount </div><div class="ttdef"><b>Definition:</b> <a href="wallet_8h_source.html#l00064">wallet.h:64</a></div></div>
<div class="ttc" id="amount_8h_html_a4eaf3a5239714d8c45b851527f7cb564"><div class="ttname"><a href="amount_8h.html#a4eaf3a5239714d8c45b851527f7cb564">CAmount</a></div><div class="ttdeci">int64_t CAmount</div><div class="ttdef"><b>Definition:</b> <a href="amount_8h_source.html#l00014">amount.h:14</a></div></div>
<div class="ttc" id="wallet__tests_8cpp_html_add319e05a28b292db3c140c41788db65"><div class="ttname"><a href="wallet__tests_8cpp.html#add319e05a28b292db3c140c41788db65">RUN_TESTS</a></div><div class="ttdeci">#define RUN_TESTS</div><div class="ttdef"><b>Definition:</b> <a href="wallet__tests_8cpp_source.html#l00018">wallet_tests.cpp:18</a></div></div>
<div class="ttc" id="wallet__tests_8cpp_html_aab7a824695edf3faa00177e0aff1221b"><div class="ttname"><a href="wallet__tests_8cpp.html#aab7a824695edf3faa00177e0aff1221b">BOOST_AUTO_TEST_CASE</a></div><div class="ttdeci">BOOST_AUTO_TEST_CASE(coin_selection_tests)</div><div class="ttdef"><b>Definition:</b> <a href="wallet__tests_8cpp_source.html#l00068">wallet_tests.cpp:68</a></div></div>
<div class="ttc" id="sync_8h_html_a911fe23f057c2fe5aad629162d6c99d0"><div class="ttname"><a href="sync_8h.html#a911fe23f057c2fe5aad629162d6c99d0">LOCK</a></div><div class="ttdeci">#define LOCK(cs)</div><div class="ttdef"><b>Definition:</b> <a href="sync_8h_source.html#l00168">sync.h:168</a></div></div>
<div class="ttc" id="amount_8h_html_a4ea4ced67e8cf4c0738078aa44a93bd2"><div class="ttname"><a href="amount_8h.html#a4ea4ced67e8cf4c0738078aa44a93bd2">CENT</a></div><div class="ttdeci">static const CAmount CENT</div><div class="ttdef"><b>Definition:</b> <a href="amount_8h_source.html#l00017">amount.h:17</a></div></div>
<div class="ttc" id="classCWalletTx_html"><div class="ttname"><a href="classCWalletTx.html">CWalletTx</a></div><div class="ttdef"><b>Definition:</b> <a href="wallet_8h_source.html#l00275">wallet.h:275</a></div></div>
<div class="ttc" id="namespacewallet_html"><div class="ttname"><a href="namespacewallet.html">wallet</a></div><div class="ttdef"><b>Definition:</b> <a href="wallet_8py_source.html#l00001">wallet.py:1</a></div></div>
<div class="ttc" id="structCMutableTransaction_html_aca14a252c78e4af2dfe68d7ea67a77dc"><div class="ttname"><a href="structCMutableTransaction.html#aca14a252c78e4af2dfe68d7ea67a77dc">CMutableTransaction::vout</a></div><div class="ttdeci">std::vector&lt; CTxOut &gt; vout</div><div class="ttdef"><b>Definition:</b> <a href="transaction_8h_source.html#l00307">transaction.h:307</a></div></div>
<div class="ttc" id="structCMutableTransaction_html_ae9685a37d424cd00e3badda28260c848"><div class="ttname"><a href="structCMutableTransaction.html#ae9685a37d424cd00e3badda28260c848">CMutableTransaction::nLockTime</a></div><div class="ttdeci">uint32_t nLockTime</div><div class="ttdef"><b>Definition:</b> <a href="transaction_8h_source.html#l00308">transaction.h:308</a></div></div>
<div class="ttc" id="wallet__tests_8cpp_html_a4882ee1f29d9049f31ff980bddeb253d"><div class="ttname"><a href="wallet__tests_8cpp.html#a4882ee1f29d9049f31ff980bddeb253d">vCoins</a></div><div class="ttdeci">static vector&lt; COutput &gt; vCoins</div><div class="ttdef"><b>Definition:</b> <a href="wallet__tests_8cpp_source.html#l00031">wallet_tests.cpp:31</a></div></div>
<div class="ttc" id="classCWalletTx_html_aafed9b6aeecef4f9159ee73a8d69262d"><div class="ttname"><a href="classCWalletTx.html#aafed9b6aeecef4f9159ee73a8d69262d">CWalletTx::nDebitCached</a></div><div class="ttdeci">CAmount nDebitCached</div><div class="ttdef"><b>Definition:</b> <a href="wallet_8h_source.html#l00303">wallet.h:303</a></div></div>
<div class="ttc" id="wallet__tests_8cpp_html_ab0591c258c0defdd03553c8d5f06cc49"><div class="ttname"><a href="wallet__tests_8cpp.html#ab0591c258c0defdd03553c8d5f06cc49">equal_sets</a></div><div class="ttdeci">static bool equal_sets(CoinSet a, CoinSet b)</div><div class="ttdef"><b>Definition:</b> <a href="wallet__tests_8cpp_source.html#l00062">wallet_tests.cpp:62</a></div></div>
<div class="ttc" id="wallet__tests_8cpp_html_abfe75afdbb6c4aff21180f2277cf9bbb"><div class="ttname"><a href="wallet__tests_8cpp.html#abfe75afdbb6c4aff21180f2277cf9bbb">empty_wallet</a></div><div class="ttdeci">static void empty_wallet(void)</div><div class="ttdef"><b>Definition:</b> <a href="wallet__tests_8cpp_source.html#l00055">wallet_tests.cpp:55</a></div></div>
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