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// 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.
#ifndef BITCOIN_TEST_UTIL_TRANSACTION_UTILS_H
#define BITCOIN_TEST_UTIL_TRANSACTION_UTILS_H
#include <primitives/transaction.h>
#include <array>
class FillableSigningProvider;
class CCoinsViewCache;
// create crediting transaction
// [1 coinbase input => 1 output with given scriptPubkey and value]
CMutableTransaction BuildCreditingTransaction(const CScript& scriptPubKey, int nValue = 0);
// create spending transaction
// [1 input with referenced transaction outpoint, scriptSig, scriptWitness =>
// 1 output with empty scriptPubKey, full value of referenced transaction]
CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CScriptWitness& scriptWitness, const CTransaction& txCredit);
// Helper: create two dummy transactions, each with two outputs.
// The first has nValues[0] and nValues[1] outputs paid to a TxoutType::PUBKEY,
// the second nValues[2] and nValues[3] outputs paid to a TxoutType::PUBKEYHASH.
std::vector<CMutableTransaction> SetupDummyInputs(FillableSigningProvider& keystoreRet, CCoinsViewCache& coinsRet, const std::array<CAmount,4>& nValues);
// bulk transaction to reach a certain target weight,
// by appending a single output with padded output script
void BulkTransaction(CMutableTransaction& tx, int32_t target_weight);
#endif // BITCOIN_TEST_UTIL_TRANSACTION_UTILS_H
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