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Remove CheckMinWork, as we always know all parent headers

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This commit is contained in:
Pieter Wuille
2014-09-06 21:16:25 +02:00
parent ad6e601712
commit f244c99c96
4 changed files with 0 additions and 97 deletions
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17
src/main.cpp
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@@ -2329,23 +2329,6 @@ bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBloc
return true;
}
CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint();
if (pcheckpoint && block.hashPrevBlock != (chainActive.Tip() ? chainActive.Tip()->GetBlockHash() : uint256(0)))
{
// Extra checks to prevent "fill up memory by spamming with bogus blocks"
int64_t deltaTime = block.GetBlockTime() - pcheckpoint->GetBlockTime();
if (deltaTime < 0)
{
return state.DoS(100, error("%s : block with timestamp before last checkpoint", __func__),
REJECT_CHECKPOINT, "time-too-old");
}
if (!CheckMinWork(block.nBits, pcheckpoint->nBits, deltaTime))
{
return state.DoS(100, error("%s : block with too little proof-of-work", __func__),
REJECT_INVALID, "bad-diffbits");
}
}
// Get prev block index
CBlockIndex* pindexPrev = NULL;
int nHeight = 0;