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Litecoin: Reject v1 blocks at specific block height

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This commit is contained in:
Xinxi Wang 2016-11-14 01:49:47 -08:00 committed by Adrian Gallagher
parent 3db030f6f4
commit f6cc96084f
1 changed files with 22 additions and 1 deletions
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23
src/main.cpp
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@ -3543,8 +3543,29 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
if (block.GetBlockTime() > nAdjustedTime + 2 * 60 * 60)
return state.Invalid(false, REJECT_INVALID, "time-too-new", "block timestamp too far in the future");
// Litecoin: Reject block.nVersion=1 blocks (mainnet >= 710000, testnet >= 400000, regtest uses supermajority)
const int nHeight = pindexPrev->nHeight+1;
bool enforceV2 = false;
if (block.nVersion < 2) {
if (consensusParams.BIP34Height != -1) {
// Mainnet 710k, Testnet 400k
if (nHeight >= consensusParams.BIP34Height)
enforceV2 = true;
}
else {
// Regtest and Unittest: use Bitcoin's supermajority rule
if (IsSuperMajority(2, pindexPrev, consensusParams.nMajorityRejectBlockOutdated, consensusParams))
enforceV2 = true;
}
}
if (enforceV2) {
return state.Invalid(false, REJECT_OBSOLETE, strprintf("bad-version(0x%08x)", block.nVersion),
strprintf("rejected nVersion=0x%08x block", block.nVersion));
}
// Reject outdated version blocks when 95% (75% on testnet) of the network has upgraded: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
for (int32_t version = 3; version < 5; ++version) // check for version 2, 3 and 4 upgrades
if (block.nVersion < version && IsSuperMajority(version, pindexPrev, consensusParams.nMajorityRejectBlockOutdated, consensusParams))
return state.Invalid(false, REJECT_OBSOLETE, strprintf("bad-version(0x%08x)", version - 1),
strprintf("rejected nVersion=0x%08x block", version - 1));