Line data    Source code

       1             : // Copyright (c) 2019-2020 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #include <coins.h>
       6             : #include <script/signingprovider.h>
       7             : #include <test/util/transaction_utils.h>
       8             : 
       9        1502 : CMutableTransaction BuildCreditingTransaction(const CScript& scriptPubKey, int nValue)
      10             : {
      11        1502 :     CMutableTransaction txCredit;
      12        1502 :     txCredit.nVersion = 1;
      13        1502 :     txCredit.nLockTime = 0;
      14        1502 :     txCredit.vin.resize(1);
      15        1502 :     txCredit.vout.resize(1);
      16        1502 :     txCredit.vin[0].prevout.SetNull();
      17        1502 :     txCredit.vin[0].scriptSig = CScript() << CScriptNum(0) << CScriptNum(0);
      18        1502 :     txCredit.vin[0].nSequence = CTxIn::SEQUENCE_FINAL;
      19        1502 :     txCredit.vout[0].scriptPubKey = scriptPubKey;
      20        1502 :     txCredit.vout[0].nValue = nValue;
      21             : 
      22        1502 :     return txCredit;
      23        1502 : }
      24             : 
      25        1502 : CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CTransaction& txCredit)
      26             : {
      27        1502 :     CMutableTransaction txSpend;
      28        1502 :     txSpend.nVersion = 1;
      29        1502 :     txSpend.nLockTime = 0;
      30        1502 :     txSpend.vin.resize(1);
      31        1502 :     txSpend.vout.resize(1);
      32        1502 :     txSpend.vin[0].prevout.hash = txCredit.GetHash();
      33        1502 :     txSpend.vin[0].prevout.n = 0;
      34        1502 :     txSpend.vin[0].scriptSig = scriptSig;
      35        1502 :     txSpend.vin[0].nSequence = CTxIn::SEQUENCE_FINAL;
      36        1502 :     txSpend.vout[0].scriptPubKey = CScript();
      37        1502 :     txSpend.vout[0].nValue = 0;
      38             : 
      39        1502 :     return txSpend;
      40        1502 : }
      41             : 
      42           2 : std::vector<CMutableTransaction> SetupDummyInputs(FillableSigningProvider& keystoreRet, CCoinsViewCache& coinsRet, const std::array<CAmount,4>& nValues)
      43             : {
      44           2 :     std::vector<CMutableTransaction> dummyTransactions;
      45           2 :     dummyTransactions.resize(2);
      46             : 
      47             :     // Add some keys to the keystore:
      48           2 :     CKey key[4];
      49          10 :     for (int i = 0; i < 4; i++) {
      50           8 :         key[i].MakeNewKey(i % 2);
      51           8 :         keystoreRet.AddKey(key[i]);
      52           8 :     }
      53             : 
      54             :     // Create some dummy input transactions
      55           2 :     dummyTransactions[0].vout.resize(2);
      56           2 :     dummyTransactions[0].vout[0].nValue = nValues[0];
      57           2 :     dummyTransactions[0].vout[0].scriptPubKey << ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG;
      58           2 :     dummyTransactions[0].vout[1].nValue = nValues[1];
      59           2 :     dummyTransactions[0].vout[1].scriptPubKey << ToByteVector(key[1].GetPubKey()) << OP_CHECKSIG;
      60           2 :     AddCoins(coinsRet, CTransaction(dummyTransactions[0]), 0);
      61             : 
      62           2 :     dummyTransactions[1].vout.resize(2);
      63           2 :     dummyTransactions[1].vout[0].nValue = nValues[2];
      64           2 :     dummyTransactions[1].vout[0].scriptPubKey = GetScriptForDestination(PKHash(key[2].GetPubKey()));
      65           2 :     dummyTransactions[1].vout[1].nValue = nValues[3];
      66           2 :     dummyTransactions[1].vout[1].scriptPubKey = GetScriptForDestination(PKHash(key[3].GetPubKey()));
      67           2 :     AddCoins(coinsRet, CTransaction(dummyTransactions[1]), 0);
      68             : 
      69           2 :     return dummyTransactions;
      70           2 : }