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BIP66 changeover logic

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This commit is contained in:
Pieter Wuille
2015-01-19 18:37:21 -05:00
parent 092e9fe5fb
commit 5a47811da5
4 changed files with 15 additions and 1 deletions
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12
src/main.cpp
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@@ -1764,6 +1764,11 @@ 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:
if (block.nVersion >= 3 && IsSuperMajority(3, pindex->pprev, Params().EnforceBlockUpgradeMajority())) {
flags |= SCRIPT_VERIFY_DERSIG;
}
CBlockUndo blockundo;
CCheckQueueControl<CScriptCheck> control(fScriptChecks && nScriptCheckThreads ? &scriptcheckqueue : NULL);
@@ -2601,6 +2606,13 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
REJECT_OBSOLETE, "bad-version");
}
// Reject block.nVersion=2 blocks when 95% (75% on testnet) of the network has upgraded:
if (block.nVersion < 3 && IsSuperMajority(3, pindexPrev, Params().RejectBlockOutdatedMajority()))
{
return state.Invalid(error("%s : rejected nVersion=2 block", __func__),
REJECT_OBSOLETE, "bad-version");
}
return true;
}