diff options
| -rw-r--r-- | src/validation.cpp | 62 |
1 files changed, 40 insertions, 22 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index eaefa95411..5b746229c9 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -312,6 +312,9 @@ bool CheckSequenceLocks(const CTransaction &tx, int flags, LockPoints* lp, bool return EvaluateSequenceLocks(index, lockPair); } +// Returns the script flags which should be checked for a given block +static unsigned int GetBlockScriptFlags(const CBlockIndex* pindex, const Consensus::Params& chainparams); + static void LimitMempoolSize(CTxMemPool& pool, size_t limit, unsigned long age) { int expired = pool.Expire(GetTime() - age); if (expired != 0) { @@ -1475,6 +1478,41 @@ public: // Protected by cs_main static ThresholdConditionCache warningcache[VERSIONBITS_NUM_BITS]; +static unsigned int GetBlockScriptFlags(const CBlockIndex* pindex, const Consensus::Params& consensusparams) { + AssertLockHeld(cs_main); + + // BIP16 didn't become active until Apr 1 2012 + int64_t nBIP16SwitchTime = 1333238400; + bool fStrictPayToScriptHash = (pindex->GetBlockTime() >= nBIP16SwitchTime); + + unsigned int flags = fStrictPayToScriptHash ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE; + + // Start enforcing the DERSIG (BIP66) rule + if (pindex->nHeight >= consensusparams.BIP66Height) { + flags |= SCRIPT_VERIFY_DERSIG; + } + + // Start enforcing CHECKLOCKTIMEVERIFY (BIP65) rule + if (pindex->nHeight >= consensusparams.BIP65Height) { + flags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY; + } + + // Start enforcing BIP68 (sequence locks) and BIP112 (CHECKSEQUENCEVERIFY) using versionbits logic. + if (VersionBitsState(pindex->pprev, consensusparams, Consensus::DEPLOYMENT_CSV, versionbitscache) == THRESHOLD_ACTIVE) { + flags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY; + } + + // Start enforcing WITNESS rules using versionbits logic. + if (IsWitnessEnabled(pindex->pprev, consensusparams)) { + flags |= SCRIPT_VERIFY_WITNESS; + flags |= SCRIPT_VERIFY_NULLDUMMY; + } + + return flags; +} + + + static int64_t nTimeCheck = 0; static int64_t nTimeForks = 0; static int64_t nTimeVerify = 0; @@ -1578,34 +1616,14 @@ static bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockInd } } - // BIP16 didn't become active until Apr 1 2012 - int64_t nBIP16SwitchTime = 1333238400; - bool fStrictPayToScriptHash = (pindex->GetBlockTime() >= nBIP16SwitchTime); - - unsigned int flags = fStrictPayToScriptHash ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE; - - // Start enforcing the DERSIG (BIP66) rule - if (pindex->nHeight >= chainparams.GetConsensus().BIP66Height) { - flags |= SCRIPT_VERIFY_DERSIG; - } - - // Start enforcing CHECKLOCKTIMEVERIFY (BIP65) rule - if (pindex->nHeight >= chainparams.GetConsensus().BIP65Height) { - flags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY; - } - // Start enforcing BIP68 (sequence locks) and BIP112 (CHECKSEQUENCEVERIFY) using versionbits logic. int nLockTimeFlags = 0; if (VersionBitsState(pindex->pprev, chainparams.GetConsensus(), Consensus::DEPLOYMENT_CSV, versionbitscache) == THRESHOLD_ACTIVE) { - flags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY; nLockTimeFlags |= LOCKTIME_VERIFY_SEQUENCE; } - // Start enforcing WITNESS rules using versionbits logic. - if (IsWitnessEnabled(pindex->pprev, chainparams.GetConsensus())) { - flags |= SCRIPT_VERIFY_WITNESS; - flags |= SCRIPT_VERIFY_NULLDUMMY; - } + // Get the script flags for this block + unsigned int flags = GetBlockScriptFlags(pindex, chainparams.GetConsensus()); int64_t nTime2 = GetTimeMicros(); nTimeForks += nTime2 - nTime1; LogPrint(BCLog::BENCH, " - Fork checks: %.2fms [%.2fs]\n", 0.001 * (nTime2 - nTime1), nTimeForks * 0.000001); |