mirror of https://github.com/bitcoin/bitcoin.git
132 lines
4.1 KiB
C++
132 lines
4.1 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2022 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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#include <primitives/transaction.h>
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#include <consensus/amount.h>
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#include <hash.h>
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#include <script/script.h>
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#include <serialize.h>
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#include <tinyformat.h>
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#include <uint256.h>
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#include <util/strencodings.h>
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#include <util/transaction_identifier.h>
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#include <algorithm>
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#include <cassert>
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#include <stdexcept>
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std::string COutPoint::ToString() const
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{
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return strprintf("COutPoint(%s, %u)", hash.ToString().substr(0,10), n);
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}
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CTxIn::CTxIn(COutPoint prevoutIn, CScript scriptSigIn, uint32_t nSequenceIn)
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{
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prevout = prevoutIn;
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scriptSig = scriptSigIn;
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nSequence = nSequenceIn;
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}
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CTxIn::CTxIn(Txid hashPrevTx, uint32_t nOut, CScript scriptSigIn, uint32_t nSequenceIn)
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{
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prevout = COutPoint(hashPrevTx, nOut);
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scriptSig = scriptSigIn;
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nSequence = nSequenceIn;
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}
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std::string CTxIn::ToString() const
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{
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std::string str;
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str += "CTxIn(";
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str += prevout.ToString();
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if (prevout.IsNull())
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str += strprintf(", coinbase %s", HexStr(scriptSig));
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else
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str += strprintf(", scriptSig=%s", HexStr(scriptSig).substr(0, 24));
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if (nSequence != SEQUENCE_FINAL)
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str += strprintf(", nSequence=%u", nSequence);
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str += ")";
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return str;
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}
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CTxOut::CTxOut(const CAmount& nValueIn, CScript scriptPubKeyIn)
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{
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nValue = nValueIn;
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scriptPubKey = scriptPubKeyIn;
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}
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std::string CTxOut::ToString() const
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{
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return strprintf("CTxOut(nValue=%d.%08d, scriptPubKey=%s)", nValue / COIN, nValue % COIN, HexStr(scriptPubKey).substr(0, 30));
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}
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CMutableTransaction::CMutableTransaction() : nVersion(CTransaction::CURRENT_VERSION), nLockTime(0) {}
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CMutableTransaction::CMutableTransaction(const CTransaction& tx) : vin(tx.vin), vout(tx.vout), nVersion(tx.nVersion), nLockTime(tx.nLockTime) {}
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Txid CMutableTransaction::GetHash() const
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{
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return Txid::FromUint256((HashWriter{} << TX_NO_WITNESS(*this)).GetHash());
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}
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bool CTransaction::ComputeHasWitness() const
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{
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return std::any_of(vin.begin(), vin.end(), [](const auto& input) {
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return !input.scriptWitness.IsNull();
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});
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}
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Txid CTransaction::ComputeHash() const
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{
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return Txid::FromUint256((HashWriter{} << TX_NO_WITNESS(*this)).GetHash());
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}
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Wtxid CTransaction::ComputeWitnessHash() const
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{
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if (!HasWitness()) {
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return Wtxid::FromUint256(hash.ToUint256());
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}
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return Wtxid::FromUint256((HashWriter{} << TX_WITH_WITNESS(*this)).GetHash());
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}
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CTransaction::CTransaction(const CMutableTransaction& tx) : vin(tx.vin), vout(tx.vout), nVersion(tx.nVersion), nLockTime(tx.nLockTime), m_has_witness{ComputeHasWitness()}, hash{ComputeHash()}, m_witness_hash{ComputeWitnessHash()} {}
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CTransaction::CTransaction(CMutableTransaction&& tx) : vin(std::move(tx.vin)), vout(std::move(tx.vout)), nVersion(tx.nVersion), nLockTime(tx.nLockTime), m_has_witness{ComputeHasWitness()}, hash{ComputeHash()}, m_witness_hash{ComputeWitnessHash()} {}
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CAmount CTransaction::GetValueOut() const
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{
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CAmount nValueOut = 0;
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for (const auto& tx_out : vout) {
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if (!MoneyRange(tx_out.nValue) || !MoneyRange(nValueOut + tx_out.nValue))
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throw std::runtime_error(std::string(__func__) + ": value out of range");
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nValueOut += tx_out.nValue;
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}
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assert(MoneyRange(nValueOut));
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return nValueOut;
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}
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unsigned int CTransaction::GetTotalSize() const
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{
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return ::GetSerializeSize(TX_WITH_WITNESS(*this));
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}
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std::string CTransaction::ToString() const
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{
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std::string str;
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str += strprintf("CTransaction(hash=%s, ver=%d, vin.size=%u, vout.size=%u, nLockTime=%u)\n",
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GetHash().ToString().substr(0,10),
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nVersion,
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vin.size(),
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vout.size(),
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nLockTime);
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for (const auto& tx_in : vin)
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str += " " + tx_in.ToString() + "\n";
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for (const auto& tx_in : vin)
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str += " " + tx_in.scriptWitness.ToString() + "\n";
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for (const auto& tx_out : vout)
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str += " " + tx_out.ToString() + "\n";
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return str;
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}
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