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Add CHECKLOCKTIMEVERIFY (BIP65) soft-fork logic

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Based on the earlier BIP66 soft-fork logic implemented by Pieter
Wuille's 5a47811da5
This commit is contained in:
Peter Todd
2015-06-28 14:30:50 -04:00
parent d479311dba
commit 287f54fc90
3 changed files with 18 additions and 5 deletions
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14
src/main.cpp
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@@ -1740,11 +1740,18 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
unsigned int flags = fStrictPayToScriptHash ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE;
// Start enforcing the DERSIG (BIP66) rules, for block.nVersion=3 blocks, when 75% of the network has upgraded:
// Start enforcing the DERSIG (BIP66) rules, for block.nVersion=3 blocks,
// when 75% of the network has upgraded:
if (block.nVersion >= 3 && IsSuperMajority(3, pindex->pprev, chainparams.GetConsensus().nMajorityEnforceBlockUpgrade, chainparams.GetConsensus())) {
flags |= SCRIPT_VERIFY_DERSIG;
}
// Start enforcing CHECKLOCKTIMEVERIFY, (BIP65) for block.nVersion=4
// blocks, when 75% of the network has upgraded:
if (block.nVersion >= 4 && IsSuperMajority(4, pindex->pprev, chainparams.GetConsensus().nMajorityEnforceBlockUpgrade, chainparams.GetConsensus())) {
flags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY;
}
CBlockUndo blockundo;
CCheckQueueControl<CScriptCheck> control(fScriptChecks && nScriptCheckThreads ? &scriptcheckqueue : NULL);
@@ -2684,6 +2691,11 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
return state.Invalid(error("%s : rejected nVersion=2 block", __func__),
REJECT_OBSOLETE, "bad-version");
// Reject block.nVersion=3 blocks when 95% (75% on testnet) of the network has upgraded:
if (block.nVersion < 4 && IsSuperMajority(4, pindexPrev, consensusParams.nMajorityRejectBlockOutdated, consensusParams))
return state.Invalid(error("%s : rejected nVersion=3 block", __func__),
REJECT_OBSOLETE, "bad-version");
return true;
}