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