From 5e82e1c8f534f8685fb72a34e47c3beb36738783 Mon Sep 17 00:00:00 2001 From: Peter Todd Date: Sun, 28 Jun 2015 14:30:50 -0400 Subject: Add CHECKLOCKTIMEVERIFY (BIP65) soft-fork logic Based on the earlier BIP66 soft-fork logic implemented by Pieter Wuille's 5a47811da5158df763aa2fca09ce646ee0c51e7b Rebased-From: 287f54fc90c29301faede8d4ac2ea24a91441917 --- src/main.cpp | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'src/main.cpp') diff --git a/src/main.cpp b/src/main.cpp index cb41afc96b..2a6fa7d0b8 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1853,11 +1853,18 @@ 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 control(fScriptChecks && nScriptCheckThreads ? &scriptcheckqueue : NULL); @@ -2788,6 +2795,11 @@ 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; } -- cgit v1.2.3