diff options
Diffstat (limited to 'src/primitives/transaction.cpp')
| -rw-r--r-- | src/primitives/transaction.cpp | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/src/primitives/transaction.cpp b/src/primitives/transaction.cpp index 606dbea79..28ef1fb46 100644 --- a/src/primitives/transaction.cpp +++ b/src/primitives/transaction.cpp @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2014 The Bitcoin Core developers +// Copyright (c) 2009-2016 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -36,8 +36,8 @@ std::string CTxIn::ToString() const if (prevout.IsNull()) str += strprintf(", coinbase %s", HexStr(scriptSig)); else - str += strprintf(", scriptSig=%s", scriptSig.ToString().substr(0,24)); - if (nSequence != std::numeric_limits<unsigned int>::max()) + str += strprintf(", scriptSig=%s", HexStr(scriptSig).substr(0, 24)); + if (nSequence != SEQUENCE_FINAL) str += strprintf(", nSequence=%u", nSequence); str += ")"; return str; @@ -49,14 +49,9 @@ CTxOut::CTxOut(const CAmount& nValueIn, CScript scriptPubKeyIn) scriptPubKey = scriptPubKeyIn; } -uint256 CTxOut::GetHash() const -{ - return SerializeHash(*this); -} - std::string CTxOut::ToString() const { - return strprintf("CTxOut(nValue=%d.%08d, scriptPubKey=%s)", nValue / COIN, nValue % COIN, scriptPubKey.ToString().substr(0,30)); + return strprintf("CTxOut(nValue=%d.%08d, scriptPubKey=%s)", nValue / COIN, nValue % COIN, HexStr(scriptPubKey).substr(0, 30)); } CMutableTransaction::CMutableTransaction() : nVersion(CTransaction::CURRENT_VERSION), nLockTime(0) {} @@ -64,28 +59,26 @@ CMutableTransaction::CMutableTransaction(const CTransaction& tx) : nVersion(tx.n uint256 CMutableTransaction::GetHash() const { - return SerializeHash(*this); + return SerializeHash(*this, SER_GETHASH, SERIALIZE_TRANSACTION_NO_WITNESS); } -void CTransaction::UpdateHash() const +uint256 CTransaction::ComputeHash() const { - *const_cast<uint256*>(&hash) = SerializeHash(*this); + return SerializeHash(*this, SER_GETHASH, SERIALIZE_TRANSACTION_NO_WITNESS); } -CTransaction::CTransaction() : nVersion(CTransaction::CURRENT_VERSION), vin(), vout(), nLockTime(0) { } - -CTransaction::CTransaction(const CMutableTransaction &tx) : nVersion(tx.nVersion), vin(tx.vin), vout(tx.vout), nLockTime(tx.nLockTime) { - UpdateHash(); +uint256 CTransaction::GetWitnessHash() const +{ + if (!HasWitness()) { + return GetHash(); + } + return SerializeHash(*this, SER_GETHASH, 0); } -CTransaction& CTransaction::operator=(const CTransaction &tx) { - *const_cast<int*>(&nVersion) = tx.nVersion; - *const_cast<std::vector<CTxIn>*>(&vin) = tx.vin; - *const_cast<std::vector<CTxOut>*>(&vout) = tx.vout; - *const_cast<unsigned int*>(&nLockTime) = tx.nLockTime; - *const_cast<uint256*>(&hash) = tx.hash; - return *this; -} +/* For backward compatibility, the hash is initialized to 0. TODO: remove the need for this default constructor entirely. */ +CTransaction::CTransaction() : nVersion(CTransaction::CURRENT_VERSION), vin(), vout(), nLockTime(0), hash() {} +CTransaction::CTransaction(const CMutableTransaction &tx) : nVersion(tx.nVersion), vin(tx.vin), vout(tx.vout), nLockTime(tx.nLockTime), hash(ComputeHash()) {} +CTransaction::CTransaction(CMutableTransaction &&tx) : nVersion(tx.nVersion), vin(std::move(tx.vin)), vout(std::move(tx.vout)), nLockTime(tx.nLockTime), hash(ComputeHash()) {} CAmount CTransaction::GetValueOut() const { @@ -94,7 +87,7 @@ CAmount CTransaction::GetValueOut() const { nValueOut += it->nValue; if (!MoneyRange(it->nValue) || !MoneyRange(nValueOut)) - throw std::runtime_error("CTransaction::GetValueOut(): value out of range"); + throw std::runtime_error(std::string(__func__) + ": value out of range"); } return nValueOut; } @@ -115,7 +108,7 @@ unsigned int CTransaction::CalculateModifiedSize(unsigned int nTxSize) const // Providing any more cleanup incentive than making additional inputs free would // risk encouraging people to create junk outputs to redeem later. if (nTxSize == 0) - nTxSize = ::GetSerializeSize(*this, SER_NETWORK, PROTOCOL_VERSION); + nTxSize = (GetTransactionWeight(*this) + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR; for (std::vector<CTxIn>::const_iterator it(vin.begin()); it != vin.end(); ++it) { unsigned int offset = 41U + std::min(110U, (unsigned int)it->scriptSig.size()); @@ -125,6 +118,11 @@ unsigned int CTransaction::CalculateModifiedSize(unsigned int nTxSize) const return nTxSize; } +unsigned int CTransaction::GetTotalSize() const +{ + return ::GetSerializeSize(*this, SER_NETWORK, PROTOCOL_VERSION); +} + std::string CTransaction::ToString() const { std::string str; @@ -136,7 +134,14 @@ std::string CTransaction::ToString() const nLockTime); for (unsigned int i = 0; i < vin.size(); i++) str += " " + vin[i].ToString() + "\n"; + for (unsigned int i = 0; i < vin.size(); i++) + str += " " + vin[i].scriptWitness.ToString() + "\n"; for (unsigned int i = 0; i < vout.size(); i++) str += " " + vout[i].ToString() + "\n"; return str; } + +int64_t GetTransactionWeight(const CTransaction& tx) +{ + return ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) * (WITNESS_SCALE_FACTOR -1) + ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION); +} |