diff options
| author | Luke Dashjr <luke-jr+git@utopios.org> | 2011-12-25 09:26:12 -0500 |
|---|---|---|
| committer | Luke Dashjr <luke-jr+git@utopios.org> | 2011-12-25 09:26:12 -0500 |
| commit | 3b8051864b98eb5a9df6327f314a45af9205a09c (patch) | |
| tree | 8052737a591599ea73f20552556ab52f49f522e2 | |
| parent | 863238316144b0ae8d0208ed60d86d932475cfaa (diff) | |
Be more conservative: check all transactions in blocks after last checkpoint.
| -rw-r--r-- | src/main.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/main.cpp b/src/main.cpp index f21af90473..1f23844573 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -30,7 +30,6 @@ map<COutPoint, CInPoint> mapNextTx; map<uint256, CBlockIndex*> mapBlockIndex; uint256 hashGenesisBlock("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f"); static CBigNum bnProofOfWorkLimit(~uint256(0) >> 32); -const int nInitialBlockThreshold = 120; // Regard blocks up until N-threshold as "initial download" CBlockIndex* pindexGenesisBlock = NULL; int nBestHeight = -1; CBigNum bnBestChainWork = 0; @@ -750,7 +749,7 @@ int GetNumBlocksOfPeers() bool IsInitialBlockDownload() { - if (pindexBest == NULL || nBestHeight < (Checkpoints::GetTotalBlocksEstimate()-nInitialBlockThreshold)) + if (pindexBest == NULL || nBestHeight < Checkpoints::GetTotalBlocksEstimate()) return true; static int64 nLastUpdate; static CBlockIndex* pindexLastBest; @@ -881,10 +880,10 @@ bool CTransaction::ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPoo if (pindex->nBlockPos == txindex.pos.nBlockPos && pindex->nFile == txindex.pos.nFile) return error("ConnectInputs() : tried to spend coinbase at depth %d", pindexBlock->nHeight - pindex->nHeight); - // Skip ECDSA signature verification when connecting blocks (fBlock=true) during initial download - // (before the last blockchain checkpoint). This is safe because block merkle hashes are + // Skip ECDSA signature verification when connecting blocks (fBlock=true) + // before the last blockchain checkpoint. This is safe because block merkle hashes are // still computed and checked, and any change will be caught at the next checkpoint. - if (!(fBlock && IsInitialBlockDownload())) + if (!(fBlock && (nBestHeight < Checkpoints::GetTotalBlocksEstimate()))) // Verify signature if (!VerifySignature(txPrev, *this, i)) return DoS(100,error("ConnectInputs() : %s VerifySignature failed", GetHash().ToString().substr(0,10).c_str())); |