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Bugfix: Don't check the genesis block header before accepting it

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This fixes an error triggered when running with -reindex after #5975
This commit is contained in:
Jorge Timón 2015-06-17 21:23:53 +02:00
parent 247b91449a
commit 36c97b4e5d
1 changed files with 23 additions and 22 deletions
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7
src/main.cpp
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@ -2809,6 +2809,8 @@ bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBloc
uint256 hash = block.GetHash(); uint256 hash = block.GetHash();
BlockMap::iterator miSelf = mapBlockIndex.find(hash); BlockMap::iterator miSelf = mapBlockIndex.find(hash);
CBlockIndex *pindex = NULL; CBlockIndex *pindex = NULL;
if (hash != chainparams.GetConsensus().hashGenesisBlock) {
if (miSelf != mapBlockIndex.end()) { if (miSelf != mapBlockIndex.end()) {
// Block header is already known. // Block header is already known.
pindex = miSelf->second; pindex = miSelf->second;
@ -2824,21 +2826,20 @@ bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBloc
// Get prev block index // Get prev block index
CBlockIndex* pindexPrev = NULL; CBlockIndex* pindexPrev = NULL;
if (hash != chainparams.GetConsensus().hashGenesisBlock) {
BlockMap::iterator mi = mapBlockIndex.find(block.hashPrevBlock); BlockMap::iterator mi = mapBlockIndex.find(block.hashPrevBlock);
if (mi == mapBlockIndex.end()) if (mi == mapBlockIndex.end())
return state.DoS(10, error("%s: prev block not found", __func__), 0, "bad-prevblk"); return state.DoS(10, error("%s: prev block not found", __func__), 0, "bad-prevblk");
pindexPrev = (*mi).second; pindexPrev = (*mi).second;
if (pindexPrev->nStatus & BLOCK_FAILED_MASK) if (pindexPrev->nStatus & BLOCK_FAILED_MASK)
return state.DoS(100, error("%s: prev block invalid", __func__), REJECT_INVALID, "bad-prevblk"); return state.DoS(100, error("%s: prev block invalid", __func__), REJECT_INVALID, "bad-prevblk");
}
assert(pindexPrev); assert(pindexPrev);
if (fCheckpointsEnabled && !CheckIndexAgainstCheckpoint(pindexPrev, state, chainparams, hash)) if (fCheckpointsEnabled && !CheckIndexAgainstCheckpoint(pindexPrev, state, chainparams, hash))
return error("%s: CheckIndexAgainstCheckpoint(): %s", __func__, state.GetRejectReason().c_str()); return error("%s: CheckIndexAgainstCheckpoint(): %s", __func__, state.GetRejectReason().c_str());
if (!ContextualCheckBlockHeader(block, state, pindexPrev)) if (!ContextualCheckBlockHeader(block, state, pindexPrev))
return false; return false;
}
if (pindex == NULL) if (pindex == NULL)
pindex = AddToBlockIndex(block); pindex = AddToBlockIndex(block);