/* Update our model of the wallet incrementally, to synchronize our model of the wallet
with that of the core.
Call with list of hashes of transactions that were added, removed or changed.
*/
void updateWallet(const QList<uint256> &updated)
{
// Walk through updated transactions, update model as needed.
#ifdef WALLET_UPDATE_DEBUG
qDebug() << "updateWallet";
#endif
// Sort update list, and iterate through it in reverse, so that model updates
// can be emitted from end to beginning (so that earlier updates will not influence
// the indices of latter ones).
QList<uint256> updated_sorted = updated;
qSort(updated_sorted);
{
LOCK(wallet->cs_wallet);
for(int update_idx = updated_sorted.size()-1; update_idx >= 0; --update_idx)
{
const uint256 &hash = updated_sorted.at(update_idx);
// 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());
// Determine if transaction is in model already
bool inModel = false;
if(lower != upper)
{
inModel = true;
}
#ifdef WALLET_UPDATE_DEBUG
qDebug() << " " << QString::fromStdString(hash.ToString()) << inWallet << " " << inModel
<< lowerIndex << "-" << upperIndex;
#endif
if(inWallet && !inModel)
{
if(!mapBlockIndex.count(mi->second.hashBlock))
continue;
CBlockIndex *pindex = mapBlockIndex[mi->second.hashBlock];
if(!pindex)
continue;
// Added -- insert at the right position
QList<TransactionRecord> toInsert =
TransactionRecord::decomposeTransaction(wallet, mi->second, pindex->IsProofOfBurn());
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();
}
}
else if(!inWallet && inModel)
bool CTxDB::LoadBlockIndex()
{
// Get database cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
return false;
// Load mapBlockIndex
unsigned int fFlags = DB_SET_RANGE;
for(;;)
{
// Read next record
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
if (fFlags == DB_SET_RANGE)
ssKey << make_pair(string("blockindex"), uint256(0));
CDataStream ssValue(SER_DISK, CLIENT_VERSION);
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
fFlags = DB_NEXT;
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
return false;
// Unserialize
try {
string strType;
ssKey >> strType;
if (strType == "blockindex" && !fRequestShutdown)
{
CDiskBlockIndex diskindex;
ssValue >> diskindex;
uint256 blockHash = diskindex.GetBlockHash();
// Construct block index object
CBlockIndex* pindexNew = InsertBlockIndex(blockHash);
pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev);
pindexNew->pnext = InsertBlockIndex(diskindex.hashNext);
pindexNew->nFile = diskindex.nFile;
pindexNew->nBlockPos = diskindex.nBlockPos;
pindexNew->nHeight = diskindex.nHeight;
pindexNew->nMint = diskindex.nMint;
pindexNew->nMoneySupply = diskindex.nMoneySupply;
pindexNew->nFlags = diskindex.nFlags;
pindexNew->nStakeModifier = diskindex.nStakeModifier;
pindexNew->prevoutStake = diskindex.prevoutStake;
pindexNew->nStakeTime = diskindex.nStakeTime;
pindexNew->hashProofOfStake = diskindex.hashProofOfStake;
pindexNew->nVersion = diskindex.nVersion;
pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
pindexNew->nTime = diskindex.nTime;
pindexNew->nBits = diskindex.nBits;
pindexNew->nNonce = diskindex.nNonce;
//Load Proof of Burn switch and indexes
pindexNew->fProofOfBurn = diskindex.fProofOfBurn;
pindexNew->burnHash = diskindex.burnHash;
pindexNew->burnBlkHeight = diskindex.burnBlkHeight;
pindexNew->burnCTx = diskindex.burnCTx;
pindexNew->burnCTxOut = diskindex.burnCTxOut;
pindexNew->nEffectiveBurnCoins = diskindex.nEffectiveBurnCoins;
pindexNew->nBurnBits = diskindex.nBurnBits;
// Watch for genesis block
if (pindexGenesisBlock == NULL && blockHash == hashGenesisBlock)
pindexGenesisBlock = pindexNew;
if (!pindexNew->CheckIndex())
return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);
// ppcoin: build setStakeSeen
if (pindexNew->IsProofOfStake())
setStakeSeen.insert(make_pair(pindexNew->prevoutStake, pindexNew->nStakeTime));
else if(pindexNew->IsProofOfBurn()) //build the setBurnSeen
setBurnSeen.insert(pindexNew->GetProofOfBurn());
}
else
{
break; // if shutdown requested or finished loading block index
}
} // try
catch (std::exception &e) {
