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Bugfix: off-by-one error in coinbase maturity check

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This commit is contained in:
Pieter Wuille 2012-10-22 09:22:15 +02:00
parent 2ef15697f8
commit 56424040a4
1 changed files with 5 additions and 3 deletions
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8
src/main.cpp
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@ -1319,7 +1319,9 @@ bool CTransaction::CheckInputs(CCoinsViewCache &inputs, enum CheckSig_mode csmod
if (!HaveInputs(inputs))
return error("CheckInputs() : %s inputs unavailable", GetHash().ToString().substr(0,10).c_str());
CBlockIndex *pindexBlock = inputs.GetBestBlock();
// While checking, GetBestBlock() refers to the parent block.
// This is also true for mempool checks.
int nSpendHeight = inputs.GetBestBlock()->nHeight + 1;
int64 nValueIn = 0;
int64 nFees = 0;
for (unsigned int i = 0; i < vin.size(); i++)
@ -1329,8 +1331,8 @@ bool CTransaction::CheckInputs(CCoinsViewCache &inputs, enum CheckSig_mode csmod
// If prev is coinbase, check that it's matured
if (coins.IsCoinBase()) {
if (pindexBlock->nHeight - coins.nHeight < COINBASE_MATURITY)
return error("CheckInputs() : tried to spend coinbase at depth %d", pindexBlock->nHeight - coins.nHeight);
if (nSpendHeight - coins.nHeight < COINBASE_MATURITY)
return error("CheckInputs() : tried to spend coinbase at depth %d", nSpendHeight - coins.nHeight);
}
// Check for negative or overflow input values