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Only store transactions with missing inputs in the orphan pool.

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All previous versions of bitcoin could store some types of
invalid transactions in the orphan-transaction list.
This commit is contained in:
Gavin Andresen 2012-01-18 13:36:44 -05:00 committed by Luke Dashjr
parent d841fc969a
commit c11e2b8679
2 changed files with 23 additions and 7 deletions
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27
src/main.cpp
View File

@ -411,10 +411,11 @@ bool CTransaction::AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs, bool* pfMi
// Check against previous transactions
map<uint256, CTxIndex> mapUnused;
int64 nFees = 0;
if (!ConnectInputs(txdb, mapUnused, CDiskTxPos(1,1,1), pindexBest, nFees, false, false))
bool fInvalid = false;
if (!ConnectInputs(txdb, mapUnused, CDiskTxPos(1,1,1), pindexBest, nFees, false, false, 0, fInvalid))
{
if (pfMissingInputs)
*pfMissingInputs = true;
if (fInvalid)
return error("AcceptToMemoryPool() : FetchInputs found invalid tx %s", hash.ToString().substr(0,10).c_str());
return error("AcceptToMemoryPool() : ConnectInputs failed %s", hash.ToString().substr(0,10).c_str());
}
@ -833,8 +834,15 @@ bool CTransaction::DisconnectInputs(CTxDB& txdb)
bool CTransaction::ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPool, CDiskTxPos posThisTx,
CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee)
CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee,
bool& fInvalid)
{
// FetchInputs can return false either because we just haven't seen some inputs
// (in which case the transaction should be stored as an orphan)
// or because the transaction is malformed (in which case the transaction should
// be dropped). If tx is definitely invalid, fInvalid will be set to true.
fInvalid = false;
// Take over previous transactions' spent pointers
if (!IsCoinBase())
{
@ -881,7 +889,12 @@ bool CTransaction::ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPoo
}
if (prevout.n >= txPrev.vout.size() || prevout.n >= txindex.vSpent.size())
{
// Revisit this if/when transaction replacement is implemented and allows
// adding inputs:
fInvalid = true;
return error("ConnectInputs() : %s prevout.n out of range %d %d %d prev tx %s\n%s", GetHash().ToString().substr(0,10).c_str(), prevout.n, txPrev.vout.size(), txindex.vSpent.size(), prevout.hash.ToString().substr(0,10).c_str(), txPrev.ToString().c_str());
}
// If prev is coinbase, check that it's matured
if (txPrev.IsCoinBase())
@ -1025,7 +1038,8 @@ bool CBlock::ConnectBlock(CTxDB& txdb, CBlockIndex* pindex)
CDiskTxPos posThisTx(pindex->nFile, pindex->nBlockPos, nTxPos);
nTxPos += ::GetSerializeSize(tx, SER_DISK);
if (!tx.ConnectInputs(txdb, mapQueuedChanges, posThisTx, pindex, nFees, true, false))
bool fInvalid;
if (!tx.ConnectInputs(txdb, mapQueuedChanges, posThisTx, pindex, nFees, true, false, 0, fInvalid))
return false;
}
// Write queued txindex changes
@ -2806,7 +2820,8 @@ CBlock* CreateNewBlock(CReserveKey& reservekey)
// Connecting shouldn't fail due to dependency on other memory pool transactions
// because we're already processing them in order of dependency
map<uint256, CTxIndex> mapTestPoolTmp(mapTestPool);
if (!tx.ConnectInputs(txdb, mapTestPoolTmp, CDiskTxPos(1,1,1), pindexPrev, nFees, false, true, nMinFee))
bool fInvalid;
if (!tx.ConnectInputs(txdb, mapTestPoolTmp, CDiskTxPos(1,1,1), pindexPrev, nFees, false, true, nMinFee, fInvalid))
continue;
swap(mapTestPool, mapTestPoolTmp);

3
src/main.h
View File

@ -631,7 +631,8 @@ public:
bool ReadFromDisk(COutPoint prevout);
bool DisconnectInputs(CTxDB& txdb);
bool ConnectInputs(CTxDB& txdb, std::map<uint256, CTxIndex>& mapTestPool, CDiskTxPos posThisTx,
CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee=0);
CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee,
bool& fInvalid);
bool ClientConnectInputs();
bool CheckTransaction() const;
bool AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs=true, bool* pfMissingInputs=NULL);