/* Update our model of the wallet incrementally, to synchronize our model of the wallet
with that of the core.
Call with transaction that was added, removed or changed.
*/
void updateWallet(const uint256 &hash, int status)
{
OutputDebugStringF("updateWallet %s %i\n", hash.ToString().c_str(), status);
{
LOCK(wallet->cs_wallet);
// Find transaction in wallet
std::map<uint256, CWalletTx>::iterator mi = wallet->mapWallet.find(hash);
bool inWallet = mi != wallet->mapWallet.end();
// Find bounds of this transaction in model
QList<TransactionRecord>::iterator lower = qLowerBound(
cachedWallet.begin(), cachedWallet.end(), hash, TxLessThan());
QList<TransactionRecord>::iterator upper = qUpperBound(
cachedWallet.begin(), cachedWallet.end(), hash, TxLessThan());
int lowerIndex = (lower - cachedWallet.begin());
int upperIndex = (upper - cachedWallet.begin());
bool inModel = (lower != upper);
// Determine whether to show transaction or not
bool showTransaction = (inWallet && TransactionRecord::showTransaction(mi->second));
if(status == CT_UPDATED)
{
if(showTransaction && !inModel)
status = CT_NEW; /* Not in model, but want to show, treat as new */
if(!showTransaction && inModel)
status = CT_DELETED; /* In model, but want to hide, treat as deleted */
}
OutputDebugStringF(" inWallet=%i inModel=%i Index=%i-%i showTransaction=%i derivedStatus=%i\n",
inWallet, inModel, lowerIndex, upperIndex, showTransaction, status);
switch(status)
{
case CT_NEW:
if(inModel)
{
OutputDebugStringF("Warning: updateWallet: Got CT_NEW, but transaction is already in model\n");
break;
}
if(!inWallet)
{
OutputDebugStringF("Warning: updateWallet: Got CT_NEW, but transaction is not in wallet\n");
break;
}
if(showTransaction)
{
// Added -- insert at the right position
QList<TransactionRecord> toInsert =
TransactionRecord::decomposeTransaction(wallet, mi->second);
if(!toInsert.isEmpty()) /* only if something to insert */
{
parent->beginInsertRows(QModelIndex(), lowerIndex, lowerIndex+toInsert.size()-1);
int insert_idx = lowerIndex;
foreach(const TransactionRecord &rec, toInsert)
{
cachedWallet.insert(insert_idx, rec);
insert_idx += 1;
}
parent->endInsertRows();
}
}
break;
case CT_DELETED:
if(!inModel)
{
OutputDebugStringF("Warning: updateWallet: Got CT_DELETED, but transaction is not in model\n");
break;
}
// Removed -- remove entire transaction from table
parent->beginRemoveRows(QModelIndex(), lowerIndex, upperIndex-1);
cachedWallet.erase(lower, upper);
parent->endRemoveRows();
break;
case CT_UPDATED:
// Miscellaneous updates -- nothing to do, status update will take care of this, and is only computed for
// visible transactions.
break;
}
// ppcoin: only descendant of current sync-checkpoint is allowed
bool ValidateSyncCheckpoint(uint256 hashCheckpoint)
{
if (!mapBlockIndex.count(hashSyncCheckpoint))
return error("ValidateSyncCheckpoint: block index missing for current sync-checkpoint %s", hashSyncCheckpoint.ToString().c_str());
if (!mapBlockIndex.count(hashCheckpoint))
return error("ValidateSyncCheckpoint: block index missing for received sync-checkpoint %s", hashCheckpoint.ToString().c_str());
CBlockIndex* pindexSyncCheckpoint = mapBlockIndex[hashSyncCheckpoint];
CBlockIndex* pindexCheckpointRecv = mapBlockIndex[hashCheckpoint];
if (pindexCheckpointRecv->nHeight <= pindexSyncCheckpoint->nHeight)
{
// Received an older checkpoint, trace back from current checkpoint
// to the same height of the received checkpoint to verify
// that current checkpoint should be a descendant block
CBlockIndex* pindex = pindexSyncCheckpoint;
while (pindex->nHeight > pindexCheckpointRecv->nHeight)
if (!(pindex = pindex->pprev))
return error("ValidateSyncCheckpoint: pprev1 null - block index structure failure");
if (pindex->GetBlockHash() != hashCheckpoint)
{
hashInvalidCheckpoint = hashCheckpoint;
return error("ValidateSyncCheckpoint: new sync-checkpoint %s is conflicting with current sync-checkpoint %s", hashCheckpoint.ToString().c_str(), hashSyncCheckpoint.ToString().c_str());
}
return false; // ignore older checkpoint
}
// Received checkpoint should be a descendant block of the current
// checkpoint. Trace back to the same height of current checkpoint
// to verify.
CBlockIndex* pindex = pindexCheckpointRecv;
while (pindex->nHeight > pindexSyncCheckpoint->nHeight)
if (!(pindex = pindex->pprev))
return error("ValidateSyncCheckpoint: pprev2 null - block index structure failure");
if (pindex->GetBlockHash() != hashSyncCheckpoint)
{
hashInvalidCheckpoint = hashCheckpoint;
return error("ValidateSyncCheckpoint: new sync-checkpoint %s is not a descendant of current sync-checkpoint %s", hashCheckpoint.ToString().c_str(), hashSyncCheckpoint.ToString().c_str());
}
return true;
}
// ppcoin: get last synchronized checkpoint
CBlockIndex* GetLastSyncCheckpoint()
{
LOCK(cs_hashSyncCheckpoint);
if (!mapBlockIndex.count(hashSyncCheckpoint))
error("GetSyncCheckpoint: block index missing for current sync-checkpoint %s", hashSyncCheckpoint.ToString().c_str());
else
return mapBlockIndex[hashSyncCheckpoint];
return NULL;
}
bool WriteSyncCheckpoint(const uint256& hashCheckpoint)
{
CTxDB txdb;
txdb.TxnBegin();
if (!txdb.WriteSyncCheckpoint(hashCheckpoint))
{
txdb.TxnAbort();
return error("WriteSyncCheckpoint(): failed to write to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
}
if (!txdb.TxnCommit())
return error("WriteSyncCheckpoint(): failed to commit to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
txdb.Close();
Checkpoints::hashSyncCheckpoint = hashCheckpoint;
return true;
}
bool WriteSyncCheckpoint(const uint256& hashCheckpoint)
{
{
LOCK(Checkpoints::cs_hashSyncCheckpoint);
if (!pblocktree->WriteSyncCheckpoint(hashCheckpoint))
{
return error("WriteSyncCheckpoint(): failed to write to db sync checkpoint %s", hashCheckpoint.ToString().c_str());
}
}
Checkpoints::hashSyncCheckpoint = hashCheckpoint;
return true;
}
~prevector_tester() {
BOOST_CHECK_MESSAGE(passed, "insecure_rand: " + rand_seed.ToString());
}
