diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/src/main.cpp b/src/main.cpp index 378d2c7022..7d267bef7d 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -2241,7 +2241,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin int64_t nTimeStart = GetTimeMicros(); // Check it again in case a previous version let a bad block in - if (!CheckBlock(block, state, chainparams.GetConsensus(), GetAdjustedTime(), !fJustCheck, !fJustCheck)) + if (!CheckBlock(block, state, chainparams.GetConsensus(), !fJustCheck, !fJustCheck)) return error("%s: Consensus::CheckBlock: %s", __func__, FormatStateMessage(state)); // verify that the view's current state corresponds to the previous block @@ -3258,20 +3258,16 @@ bool FindUndoPos(CValidationState &state, int nFile, CDiskBlockPos &pos, unsigne return true; } -bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, int64_t nAdjustedTime, bool fCheckPOW) +bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, bool fCheckPOW) { // Check proof of work matches claimed amount if (fCheckPOW && !CheckProofOfWork(block.GetHash(), block.nBits, consensusParams)) return state.DoS(50, false, REJECT_INVALID, "high-hash", false, "proof of work failed"); - // Check timestamp - if (block.GetBlockTime() > nAdjustedTime + 2 * 60 * 60) - return state.Invalid(false, REJECT_INVALID, "time-too-new", "block timestamp too far in the future"); - return true; } -bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::Params& consensusParams, int64_t nAdjustedTime, bool fCheckPOW, bool fCheckMerkleRoot) +bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::Params& consensusParams, bool fCheckPOW, bool fCheckMerkleRoot) { // These are checks that are independent of context. @@ -3280,7 +3276,7 @@ bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::P // Check that the header is valid (particularly PoW). This is mostly // redundant with the call in AcceptBlockHeader. - if (!CheckBlockHeader(block, state, consensusParams, nAdjustedTime, fCheckPOW)) + if (!CheckBlockHeader(block, state, consensusParams, fCheckPOW)) return false; // Check the merkle root. @@ -3346,7 +3342,7 @@ static bool CheckIndexAgainstCheckpoint(const CBlockIndex* pindexPrev, CValidati return true; } -bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, CBlockIndex * const pindexPrev) +bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, CBlockIndex * const pindexPrev, int64_t nAdjustedTime) { // Check proof of work if (block.nBits != GetNextWorkRequired(pindexPrev, &block, consensusParams)) @@ -3356,6 +3352,10 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta if (block.GetBlockTime() <= pindexPrev->GetMedianTimePast()) return state.Invalid(false, REJECT_INVALID, "time-too-old", "block's timestamp is too early"); + // Check timestamp + if (block.GetBlockTime() > nAdjustedTime + 2 * 60 * 60) + return state.Invalid(false, REJECT_INVALID, "time-too-new", "block timestamp too far in the future"); + // Reject outdated version blocks when 95% (75% on testnet) of the network has upgraded: for (int32_t version = 2; version < 5; ++version) // check for version 2, 3 and 4 upgrades if (block.nVersion < version && IsSuperMajority(version, pindexPrev, consensusParams.nMajorityRejectBlockOutdated, consensusParams)) @@ -3420,7 +3420,7 @@ static bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state return true; } - if (!CheckBlockHeader(block, state, chainparams.GetConsensus(), GetAdjustedTime())) + if (!CheckBlockHeader(block, state, chainparams.GetConsensus())) return error("%s: Consensus::CheckBlockHeader: %s, %s", __func__, hash.ToString(), FormatStateMessage(state)); // Get prev block index @@ -3436,7 +3436,7 @@ static bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state if (fCheckpointsEnabled && !CheckIndexAgainstCheckpoint(pindexPrev, state, chainparams, hash)) return error("%s: CheckIndexAgainstCheckpoint(): %s", __func__, state.GetRejectReason().c_str()); - if (!ContextualCheckBlockHeader(block, state, chainparams.GetConsensus(), pindexPrev)) + if (!ContextualCheckBlockHeader(block, state, chainparams.GetConsensus(), pindexPrev, GetAdjustedTime())) return error("%s: Consensus::ContextualCheckBlockHeader: %s, %s", __func__, hash.ToString(), FormatStateMessage(state)); } if (pindex == NULL) @@ -3569,9 +3569,9 @@ bool TestBlockValidity(CValidationState& state, const CChainParams& chainparams, indexDummy.nHeight = pindexPrev->nHeight + 1; // NOTE: CheckBlockHeader is called by CheckBlock - if (!ContextualCheckBlockHeader(block, state, chainparams.GetConsensus(), pindexPrev)) + if (!ContextualCheckBlockHeader(block, state, chainparams.GetConsensus(), pindexPrev, GetAdjustedTime())) return error("%s: Consensus::ContextualCheckBlockHeader: %s", __func__, FormatStateMessage(state)); - if (!CheckBlock(block, state, chainparams.GetConsensus(), GetAdjustedTime(), fCheckPOW, fCheckMerkleRoot)) + if (!CheckBlock(block, state, chainparams.GetConsensus(), fCheckPOW, fCheckMerkleRoot)) return error("%s: Consensus::CheckBlock: %s", __func__, FormatStateMessage(state)); if (!ContextualCheckBlock(block, state, pindexPrev)) return error("%s: Consensus::ContextualCheckBlock: %s", __func__, FormatStateMessage(state)); @@ -3916,7 +3916,7 @@ bool CVerifyDB::VerifyDB(const CChainParams& chainparams, CCoinsView *coinsview, if (!ReadBlockFromDisk(block, pindex, chainparams.GetConsensus())) return error("VerifyDB(): *** ReadBlockFromDisk failed at %d, hash=%s", pindex->nHeight, pindex->GetBlockHash().ToString()); // check level 1: verify block validity - if (nCheckLevel >= 1 && !CheckBlock(block, state, chainparams.GetConsensus(), GetAdjustedTime())) + if (nCheckLevel >= 1 && !CheckBlock(block, state, chainparams.GetConsensus())) return error("%s: *** found bad block at %d, hash=%s (%s)\n", __func__, pindex->nHeight, pindex->GetBlockHash().ToString(), FormatStateMessage(state)); // check level 2: verify undo validity |