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Make skipping BIP30 check chain agnostic

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This commit is contained in:
Alex Morcos 2015-11-02 16:41:55 -05:00
parent 06d81ad516
commit 33c90cf197
3 changed files with 13 additions and 4 deletions
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6
src/chainparams.cpp
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@ -73,6 +73,8 @@ public:
consensus.nMajorityEnforceBlockUpgrade = 750; consensus.nMajorityEnforceBlockUpgrade = 750;
consensus.nMajorityRejectBlockOutdated = 950; consensus.nMajorityRejectBlockOutdated = 950;
consensus.nMajorityWindow = 1000; consensus.nMajorityWindow = 1000;
consensus.BIP34Height = 227931;
consensus.BIP34Hash = uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8");
consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60; consensus.nPowTargetSpacing = 10 * 60;
@ -153,6 +155,8 @@ public:
consensus.nMajorityEnforceBlockUpgrade = 51; consensus.nMajorityEnforceBlockUpgrade = 51;
consensus.nMajorityRejectBlockOutdated = 75; consensus.nMajorityRejectBlockOutdated = 75;
consensus.nMajorityWindow = 100; consensus.nMajorityWindow = 100;
consensus.BIP34Height = 21111;
consensus.BIP34Hash = uint256S("0x0000000023b3a96d3484e5abb3755c413e7d41500f8e2a5c3f0dd01299cd8ef8");
consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); consensus.powLimit = uint256S("00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60; consensus.nPowTargetSpacing = 10 * 60;
@ -216,6 +220,8 @@ public:
consensus.nMajorityEnforceBlockUpgrade = 750; consensus.nMajorityEnforceBlockUpgrade = 750;
consensus.nMajorityRejectBlockOutdated = 950; consensus.nMajorityRejectBlockOutdated = 950;
consensus.nMajorityWindow = 1000; consensus.nMajorityWindow = 1000;
consensus.BIP34Height = -1; // BIP34 has not necessarily activated on regtest
consensus.BIP34Hash = uint256();
consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60; consensus.nPowTargetSpacing = 10 * 60;

3
src/consensus/params.h
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@ -19,6 +19,9 @@ struct Params {
int nMajorityEnforceBlockUpgrade; int nMajorityEnforceBlockUpgrade;
int nMajorityRejectBlockOutdated; int nMajorityRejectBlockOutdated;
int nMajorityWindow; int nMajorityWindow;
/** Block height and hash at which BIP34 becomes active */
int BIP34Height;
uint256 BIP34Hash;
/** Proof of work parameters */ /** Proof of work parameters */
uint256 powLimit; uint256 powLimit;
bool fPowAllowMinDifficultyBlocks; bool fPowAllowMinDifficultyBlocks;

8
src/main.cpp
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@ -1742,10 +1742,10 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
// time BIP34 activated, in each of the existing pairs the duplicate coinbase had overwritten the first // time BIP34 activated, in each of the existing pairs the duplicate coinbase had overwritten the first
// before the first had been spent. Since those coinbases are sufficiently buried its no longer possible to create further // before the first had been spent. Since those coinbases are sufficiently buried its no longer possible to create further
// duplicate transactions descending from the known pairs either. // duplicate transactions descending from the known pairs either.
// If we're on the known chain at height greater than 227931 where BIP34 activated, we can save the db accesses needed for the BIP30 check. // If we're on the known chain at height greater than where BIP34 activated, we can save the db accesses needed for the BIP30 check.
CBlockIndex *pindexBIP34height = pindex->pprev->GetAncestor(227931); CBlockIndex *pindexBIP34height = pindex->pprev->GetAncestor(chainparams.GetConsensus().BIP34Height);
//Only continue to enforce if we're below height 227931 or the block hash at that height doesn't correspond. //Only continue to enforce if we're below BIP34 activation height or the block hash at that height doesn't correspond.
fEnforceBIP30 = fEnforceBIP30 && (!pindexBIP34height || !(pindexBIP34height->GetBlockHash() == uint256S("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8"))); fEnforceBIP30 = fEnforceBIP30 && (!pindexBIP34height || !(pindexBIP34height->GetBlockHash() == chainparams.GetConsensus().BIP34Hash));
if (fEnforceBIP30) { if (fEnforceBIP30) {
BOOST_FOREACH(const CTransaction& tx, block.vtx) { BOOST_FOREACH(const CTransaction& tx, block.vtx) {