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Fix missing lock in submitblock

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This commit is contained in:
Matt Corallo 2015-04-13 17:55:41 +01:00
parent 9125c08f34
commit eb63bf86cf
1 changed files with 14 additions and 9 deletions
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23
src/rpcmining.cpp
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@ -629,14 +629,19 @@ Value submitblock(const Array& params, bool fHelp)
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
uint256 hash = block.GetHash();
BlockMap::iterator mi = mapBlockIndex.find(hash);
if (mi != mapBlockIndex.end()) {
CBlockIndex *pindex = mi->second;
if (pindex->IsValid(BLOCK_VALID_SCRIPTS))
return "duplicate";
if (pindex->nStatus & BLOCK_FAILED_MASK)
return "duplicate-invalid";
// Otherwise, we might only have the header - process the block before returning
bool fBlockPresent = false;
{
LOCK(cs_main);
BlockMap::iterator mi = mapBlockIndex.find(hash);
if (mi != mapBlockIndex.end()) {
CBlockIndex *pindex = mi->second;
if (pindex->IsValid(BLOCK_VALID_SCRIPTS))
return "duplicate";
if (pindex->nStatus & BLOCK_FAILED_MASK)
return "duplicate-invalid";
// Otherwise, we might only have the header - process the block before returning
fBlockPresent = true;
}
}
CValidationState state;
@ -644,7 +649,7 @@ Value submitblock(const Array& params, bool fHelp)
RegisterValidationInterface(&sc);
bool fAccepted = ProcessNewBlock(state, NULL, &block);
UnregisterValidationInterface(&sc);
if (mi != mapBlockIndex.end())
if (fBlockPresent)
{
if (fAccepted && !sc.found)
return "duplicate-inconclusive";