bool AcceptPendingSyncCheckpoint()
{
+ bool fAccepted = false;
+ uint256 hashCheckpoint = 0;
+ CTxDB txdb;
+
CRITICAL_BLOCK(cs_hashSyncCheckpoint)
+ {
if ((!checkpointMessagePending.IsNull()) && mapBlockIndex.count(checkpointMessagePending.hashCheckpoint))
{
if (!ValidateSyncCheckpoint(checkpointMessagePending.hashCheckpoint))
return false;
}
- CTxDB txdb;
+ txdb.TxnBegin();
if (!txdb.WriteSyncCheckpoint(checkpointMessagePending.hashCheckpoint))
+ {
+ txdb.TxnAbort();
return error("AcceptPendingSyncCheckpoint() : failed to write to db sync checkpoint %s\n", checkpointMessagePending.hashCheckpoint.ToString().c_str());
- txdb.Close();
+ }
+ if (!txdb.TxnCommit())
+ return error("AcceptPendingSyncCheckpoint() : failed to commit to db sync checkpoint %s\n", checkpointMessagePending.hashCheckpoint.ToString().c_str());
hashSyncCheckpoint = checkpointMessagePending.hashCheckpoint;
checkpointMessage = checkpointMessagePending;
checkpointMessagePending.SetNull();
printf("AcceptPendingSyncCheckpoint : sync-checkpoint at %s\n", hashSyncCheckpoint.ToString().c_str());
- // relay the checkpoint
- BOOST_FOREACH(CNode* pnode, vNodes)
- checkpointMessage.RelayTo(pnode);
- return true;
+ fAccepted = true;
+ hashCheckpoint = hashSyncCheckpoint;
}
+ }
- return false;
+ if (fAccepted)
+ {
+ CBlockIndex* pindexCheckpoint = mapBlockIndex[hashCheckpoint];
+ if (!pindexCheckpoint->IsInMainChain())
+ {
+ txdb.TxnBegin();
+ if (!Reorganize(txdb, pindexCheckpoint))
+ {
+ txdb.TxnAbort();
+ return error("ProcessSyncCheckpoint: Reorganize failed for sync checkpoint %s", hashCheckpoint.ToString().c_str());
+ }
+ }
+ }
+ txdb.Close();
+
+ // relay the checkpoint
+ CRITICAL_BLOCK(cs_hashSyncCheckpoint)
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ checkpointMessage.RelayTo(pnode);
+
+ return fAccepted;
}
uint256 AutoSelectSyncCheckpoint()
if (!CheckSignature())
return false;
+ CTxDB txdb;
CRITICAL_BLOCK(Checkpoints::cs_hashSyncCheckpoint)
{
if (!mapBlockIndex.count(hashCheckpoint))
{
// We haven't accepted this block, keep the checkpoint as pending
Checkpoints::checkpointMessagePending = *this;
- printf("ProcessSyncCheckpoint : pending for sync-checkpoint %s\n", hashCheckpoint.ToString().c_str());
+ printf("ProcessSyncCheckpoint: pending for sync-checkpoint %s\n", hashCheckpoint.ToString().c_str());
// Ask this guy to fill in what we're missing
if (pfrom)
pfrom->PushGetBlocks(pindexBest, hashCheckpoint);
if (!Checkpoints::ValidateSyncCheckpoint(hashCheckpoint))
return false;
- CTxDB txdb;
- if (!txdb.WriteSyncCheckpoint(this->hashCheckpoint))
- return error("ProcessSyncCheckpoint() : failed to write to db sync checkpoint %s\n", this->hashCheckpoint.ToString().c_str());
- txdb.Close();
+ txdb.TxnBegin();
+ if (!txdb.WriteSyncCheckpoint(hashCheckpoint))
+ {
+ txdb.TxnAbort();
+ return error("ProcessSyncCheckpoint(): failed to write to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
+ }
+ if (!txdb.TxnCommit())
+ return error("ProcessSyncCheckpoint(): failed to commit to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
- Checkpoints::hashSyncCheckpoint = this->hashCheckpoint;
+ Checkpoints::hashSyncCheckpoint = hashCheckpoint;
Checkpoints::checkpointMessage = *this;
Checkpoints::checkpointMessagePending.SetNull();
- printf("ProcessSyncCheckpoint : sync-checkpoint at %s\n", Checkpoints::hashSyncCheckpoint.ToString().c_str());
+ printf("ProcessSyncCheckpoint: sync-checkpoint at %s\n", hashCheckpoint.ToString().c_str());
+ }
+
+ CBlockIndex* pindexCheckpoint = mapBlockIndex[hashCheckpoint];
+ if (!pindexCheckpoint->IsInMainChain())
+ {
+ txdb.TxnBegin();
+ if (!Reorganize(txdb, pindexCheckpoint))
+ {
+ txdb.TxnAbort();
+ return error("ProcessSyncCheckpoint: Reorganize failed for sync checkpoint %s", hashCheckpoint.ToString().c_str());
+ }
}
+ txdb.Close();
return true;
}