diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/main.cpp | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/src/main.cpp b/src/main.cpp index 98e1741954..006ec7cabc 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -2351,28 +2351,6 @@ bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, bool f return state.Invalid(error("CheckBlockHeader() : block timestamp too far in the future"), REJECT_INVALID, "time-too-new"); - CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint(mapBlockIndex); - 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->nTime; - if (deltaTime < 0) - { - return state.DoS(100, error("CheckBlockHeader() : block with timestamp before last checkpoint"), - REJECT_CHECKPOINT, "time-too-old"); - } - bool fOverflow = false; - uint256 bnNewBlock; - bnNewBlock.SetCompact(block.nBits, NULL, &fOverflow); - uint256 bnRequired; - bnRequired.SetCompact(ComputeMinWork(pcheckpoint->nBits, deltaTime)); - if (fOverflow || bnNewBlock > bnRequired) - { - return state.DoS(100, error("CheckBlockHeader() : block with too little proof-of-work"), - REJECT_INVALID, "bad-diffbits"); - } - } - return true; } @@ -2448,6 +2426,28 @@ bool AcceptBlockHeader(CBlockHeader& block, CValidationState& state, CBlockIndex return state.Invalid(error("AcceptBlock() : block is marked invalid"), 0, "duplicate"); } + CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint(mapBlockIndex); + 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->nTime; + if (deltaTime < 0) + { + return state.DoS(100, error("CheckBlockHeader() : block with timestamp before last checkpoint"), + REJECT_CHECKPOINT, "time-too-old"); + } + bool fOverflow = false; + uint256 bnNewBlock; + bnNewBlock.SetCompact(block.nBits, NULL, &fOverflow); + uint256 bnRequired; + bnRequired.SetCompact(ComputeMinWork(pcheckpoint->nBits, deltaTime)); + if (fOverflow || bnNewBlock > bnRequired) + { + return state.DoS(100, error("CheckBlockHeader() : block with too little proof-of-work"), + REJECT_INVALID, "bad-diffbits"); + } + } + // Get prev block index CBlockIndex* pindexPrev = NULL; int nHeight = 0; |