public override Result QueryFeature(FeatureQuery query)
{
if (query.GetLong(0, out var groupId))
{
var groupInfo = _handler.GetGroupInfo(groupId);
if (groupInfo == null)
{
return(Result.DataNotFound);
}
var action = query.Action;
if (action == LastTransactionInfoAction)
{
return(new PackableResult(groupInfo.LastTransactionInfo));
}
else if (action == IndexLastTransactionInfoAction)
{
if (query.GetString(1, out var indexHex))
{
var index = new Chain.Index(indexHex);
return(new PackableResult(groupInfo.GetLastGroupIndexTransactionInfo(index, true)));
}
}
}
return(Result.InvalidQuery);
}
protected Result GetBatchData <T>(FeatureQuery query, int queryIndex, Action <Unpacker, List <T> > unpack, Func <IReadOnlyList <T>, Result> handle)
{
if (query.GetString(queryIndex, out var hexString))
{
var list = new List <T>();
if (HexPacker.FromHex(hexString, (unpacker) =>
{
var count = unpacker.UnpackUshort();
if (count > MaxBatchSize)
{
throw new ArgumentOutOfRangeException();
}
unpacker.Position -= 2;
unpack.Invoke(unpacker, list);
}))
{
return(handle.Invoke(list));
}
}
return(Result.InvalidQuery);
}
public override Result QueryFeature(FeatureQuery query)
{
if (query.Action == LastTransactionInfoAction)
{
if (query.GetString(1, out var indexHex))
{
var index = new Chain.Index(indexHex);
return(GetAccountData <AccountIndexContainerBase>(query, 0, (container) =>
{
return new PackableResult(container?.GetLastTransactionInfo(index) ?? LastTransactionCountInfo.Empty);
}));
}
}
else if (query.Action == LastTransactionInfoBatchAction)
{
if (query.GetString(1, out var indexHex))
{
var index = new Chain.Index(indexHex);
return(GetBatchData <long>(query, 0, (u, l) => u.Unpack(l), (accountIds) =>
{
var batchResult = new LastTransactionCountInfoBatch();
foreach (var accountId in accountIds)
{
var account = CurrentChain.GetFeatureAccount(accountId);
var info = account?.GetFeatureContainer <AccountIndexContainerBase>(FeatureId)?.GetLastTransactionInfo(index) ?? LastTransactionCountInfo.Empty;
batchResult.Add(info != null, accountId, info);
}
return new PackableResult(batchResult);
}));
}
}
else if (query.Action == LastTransactionInfoIndicesBatchAction)
{
if (query.GetLong(0, out var accountId) && query.GetString(1, out var indicesHex))
{
return(GetBatchData <Chain.Index>(query, 1, (unpacker, list) => unpacker.Unpack(list, (u) => new Chain.Index(u)), (indices) =>
{
var account = CurrentChain.GetFeatureAccount(accountId);
var container = account?.GetFeatureContainer <AccountIndexContainerBase>(FeatureId);
if (account != null)
{
var batchResult = new LastTransactionCountInfoBatch();
foreach (var index in indices)
{
var info = container?.GetLastTransactionInfo(index);
batchResult.Add(info != null, accountId, info);
}
return new PackableResult(batchResult);
}
return Result.AccountNotFound;
}));
}
}
return(Result.InvalidQuery);
}