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58499b00d0
These helpers haven't been used in production code since segwit was
merged more than eight years ago (see commit 605e8473, PR #8149),
so it seems appropriate to move them to the test utils module.
Can be reviewed via `--color-moved=dimmed-zebra`.
54 lines
2.6 KiB
C++
54 lines
2.6 KiB
C++
// Copyright (c) 2019-2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_TEST_UTIL_TRANSACTION_UTILS_H
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#define BITCOIN_TEST_UTIL_TRANSACTION_UTILS_H
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#include <primitives/transaction.h>
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#include <script/sign.h>
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#include <array>
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class FillableSigningProvider;
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class CCoinsViewCache;
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// create crediting transaction
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// [1 coinbase input => 1 output with given scriptPubkey and value]
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CMutableTransaction BuildCreditingTransaction(const CScript& scriptPubKey, int nValue = 0);
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// create spending transaction
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// [1 input with referenced transaction outpoint, scriptSig, scriptWitness =>
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// 1 output with empty scriptPubKey, full value of referenced transaction]
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CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CScriptWitness& scriptWitness, const CTransaction& txCredit);
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// Helper: create two dummy transactions, each with two outputs.
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// The first has nValues[0] and nValues[1] outputs paid to a TxoutType::PUBKEY,
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// the second nValues[2] and nValues[3] outputs paid to a TxoutType::PUBKEYHASH.
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std::vector<CMutableTransaction> SetupDummyInputs(FillableSigningProvider& keystoreRet, CCoinsViewCache& coinsRet, const std::array<CAmount,4>& nValues);
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// bulk transaction to reach a certain target weight,
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// by appending a single output with padded output script
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void BulkTransaction(CMutableTransaction& tx, int32_t target_weight);
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/**
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* Produce a satisfying script (scriptSig or witness).
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*
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* @param provider Utility containing the information necessary to solve a script.
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* @param fromPubKey The script to produce a satisfaction for.
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* @param txTo The spending transaction.
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* @param nIn The index of the input in `txTo` referring the output being spent.
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* @param amount The value of the output being spent.
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* @param nHashType Signature hash type.
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* @param sig_data Additional data provided to solve a script. Filled with the resulting satisfying
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* script and whether the satisfaction is complete.
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*
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* @return True if the produced script is entirely satisfying `fromPubKey`.
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**/
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bool SignSignature(const SigningProvider &provider, const CScript& fromPubKey, CMutableTransaction& txTo,
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unsigned int nIn, const CAmount& amount, int nHashType, SignatureData& sig_data);
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bool SignSignature(const SigningProvider &provider, const CTransaction& txFrom, CMutableTransaction& txTo,
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unsigned int nIn, int nHashType, SignatureData& sig_data);
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#endif // BITCOIN_TEST_UTIL_TRANSACTION_UTILS_H
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