// Copyright (c) 2019-2020 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include <coins.h> #include <script/signingprovider.h> #include <test/util/transaction_utils.h> CMutableTransaction BuildCreditingTransaction(const CScript& scriptPubKey, int nValue) { CMutableTransaction txCredit; txCredit.nVersion = 1; txCredit.nLockTime = 0; txCredit.vin.resize(1); txCredit.vout.resize(1); txCredit.vin[0].prevout.SetNull(); txCredit.vin[0].scriptSig = CScript() << CScriptNum(0) << CScriptNum(0); txCredit.vin[0].nSequence = CTxIn::SEQUENCE_FINAL; txCredit.vout[0].scriptPubKey = scriptPubKey; txCredit.vout[0].nValue = nValue; return txCredit; } CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CScriptWitness& scriptWitness, const CTransaction& txCredit) { CMutableTransaction txSpend; txSpend.nVersion = 1; txSpend.nLockTime = 0; txSpend.vin.resize(1); txSpend.vout.resize(1); txSpend.vin[0].scriptWitness = scriptWitness; txSpend.vin[0].prevout.hash = txCredit.GetHash(); txSpend.vin[0].prevout.n = 0; txSpend.vin[0].scriptSig = scriptSig; txSpend.vin[0].nSequence = CTxIn::SEQUENCE_FINAL; txSpend.vout[0].scriptPubKey = CScript(); txSpend.vout[0].nValue = txCredit.vout[0].nValue; return txSpend; } std::vector<CMutableTransaction> SetupDummyInputs(FillableSigningProvider& keystoreRet, CCoinsViewCache& coinsRet, const std::array<CAmount,4>& nValues) { std::vector<CMutableTransaction> dummyTransactions; dummyTransactions.resize(2); // Add some keys to the keystore: CKey key[4]; for (int i = 0; i < 4; i++) { key[i].MakeNewKey(i % 2); keystoreRet.AddKey(key[i]); } // Create some dummy input transactions dummyTransactions[0].vout.resize(2); dummyTransactions[0].vout[0].nValue = nValues[0]; dummyTransactions[0].vout[0].scriptPubKey << ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG; dummyTransactions[0].vout[1].nValue = nValues[1]; dummyTransactions[0].vout[1].scriptPubKey << ToByteVector(key[1].GetPubKey()) << OP_CHECKSIG; AddCoins(coinsRet, CTransaction(dummyTransactions[0]), 0); dummyTransactions[1].vout.resize(2); dummyTransactions[1].vout[0].nValue = nValues[2]; dummyTransactions[1].vout[0].scriptPubKey = GetScriptForDestination(PKHash(key[2].GetPubKey())); dummyTransactions[1].vout[1].nValue = nValues[3]; dummyTransactions[1].vout[1].scriptPubKey = GetScriptForDestination(PKHash(key[3].GetPubKey())); AddCoins(coinsRet, CTransaction(dummyTransactions[1]), 0); return dummyTransactions; }