public JArray GetLogs(ulong id, BlockchainEventFilterParams filter, bool poll)
{
if (poll)
{
filter.PollingTime = TimeUtils.CurrentTimeMillis();
_filters[id] = filter;
}
if ((filter.FromBlock is null) || (filter.ToBlock is null))
{
return(new JArray());
}
return(GetLogs((ulong)filter.FromBlock, (ulong)filter.ToBlock, filter.AddressList, filter.TopicLists));
}
public ulong Create(BlockchainEvent eventType, ulong?fromBlock, ulong?toBlock, List <UInt160> addresses, List <List <UInt256> > topics)
{
RemoveUnusedFilters();
_currentId++;
if (eventType == BlockchainEvent.Logs)
{
_filters[_currentId] = new BlockchainEventFilterParams(
eventType, fromBlock, toBlock, addresses, topics
);
}
else
{
Logger.LogError($"Implementation not found for filter type: {eventType}");
}
return(_currentId);
}
public ulong Create(BlockchainEvent eventType)
{
RemoveUnusedFilters();
_currentId++;
if (eventType == BlockchainEvent.Block)
{
_filters[_currentId] = new BlockchainEventFilterParams(
eventType, _stateManager.LastApprovedSnapshot.Blocks.GetTotalBlockHeight()
);
}
else if (eventType == BlockchainEvent.Transaction)
{
_filters[_currentId] = new BlockchainEventFilterParams(
eventType, _transactionPool.Transactions.Keys.ToArray()
);
}
else
{
Logger.LogError($"Implementation not found for filter type: {eventType}");
}
return(_currentId);
}
public JArray SyncPendingTransaction(ulong id, BlockchainEventFilterParams filter, bool poll)
{
var results = new JArray();
var pendingTx = filter.PendingTransactionList;
var poolTx = _transactionPool.Transactions.Keys.ToArray();
Array.Sort(poolTx, (x, y) => UInt256Utils.Compare(x, y));
// comparing two sorted list listA and listB in O(listA.Count + listB.Count)
int iter = 0;
foreach (var txHash in poolTx)
{
if (txHash is null)
{
continue;
}
while (iter < pendingTx.Count && UInt256Utils.Compare(txHash, pendingTx[iter]) > 0)
{
iter++;
}
if (iter == pendingTx.Count || UInt256Utils.Compare(txHash, pendingTx[iter]) < 0)
{
results.Add(Web3DataFormatUtils.Web3Data(txHash));
}
}
if (poll)
{
// Pending transaction list in filter must be sorted for further optimization
filter.PendingTransactionList = new List <UInt256>(poolTx.ToList());
filter.PollingTime = TimeUtils.CurrentTimeMillis();
_filters[id] = filter;
}
return(results);
}
public JArray SyncBlocks(ulong id, BlockchainEventFilterParams filter, bool poll)
{
var results = new JArray();
var lastSyncedBlock = filter.LastSyncedBlock;
var highestBlock = _stateManager.LastApprovedSnapshot.Blocks.GetTotalBlockHeight();
for (var i = lastSyncedBlock; i < highestBlock; i++)
{
var block = _blockManager.GetByHeight(i);
if (block is null)
{
continue;
}
results.Add(Web3DataFormatUtils.Web3Data(block !.Hash));
}
if (poll)
{
filter.LastSyncedBlock = highestBlock;
filter.PollingTime = TimeUtils.CurrentTimeMillis();
_filters[id] = filter;
}
return(results);
}
