//TODO: should asset that the block came from main?
Types.Block GetBlock(byte[] key)
{
using (TransactionContext context = _DBContext.GetTransactionContext())
{
var location = BlockStore.GetLocation(context, key);
if (location == LocationEnum.Main)
{
try
{
var bk = BlockStore.GetBlock(context, key);
return(bk == null ? null : bk.Value);
} catch (Exception e)
{
BlockChainTrace.Error("GetBlock", e);
return(null);
}
}
return(null);
}
}
//void HandleQueueAction(QueueAction action)
async Task ConsumeAsync(ISourceBlock <QueueAction> source)
{
while (await source.OutputAvailableAsync())
{
var action = source.Receive();
try
{
//((dynamic)this).Handle((dynamic)action);
if (action is HandleBlockAction)
{
((HandleBlockAction)action).SetResult(HandleBlock(action as HandleBlockAction));
}
else if (action is GetActiveContractsAction)
{
((GetActiveContractsAction)action).SetResult(GetActiveContracts());
}
else if (action is GetContractPointedOutputsAction)
{
((GetContractPointedOutputsAction)action).SetResult(GetContractPointedOutputs(
((GetContractPointedOutputsAction)action).ContractHash));
}
else if (action is HandleOrphansOfTxAction)
{
HandleOrphansOfTransaction(action as HandleOrphansOfTxAction);
}
else if (action is GetIsContractActiveAction)
{
((GetIsContractActiveAction)action).SetResult(IsContractActive(
((GetIsContractActiveAction)action).ContractHash));
}
//else if (action is GetUTXOAction)
//((GetUTXOAction)action).SetResult(GetUTXO(((GetUTXOAction)action).Outpoint, ((GetUTXOAction)action).IsInBlock));
else if (action is GetIsConfirmedUTXOExistAction)
{
var outpoint = ((GetIsConfirmedUTXOExistAction)action).Outpoint;
((GetIsConfirmedUTXOExistAction)action).SetResult(IsConfirmedUTXOExist(outpoint));
}
else if (action is GetContractCodeAction)
{
((GetContractCodeAction)action).SetResult(GetContractCode(
((GetContractCodeAction)action).ContractHash));
}
else if (action is HandleTransactionAction)
{
((HandleTransactionAction)action).SetResult(HandleTransaction(((HandleTransactionAction)action).Tx, ((HandleTransactionAction)action).CheckInDb));
}
else if (action is GetBlockAction)
{
((GetBlockAction)action).SetResult(GetBlock(((GetBlockAction)action).BkHash));
}
else if (action is GetTxAction)
{
((GetTxAction)action).SetResult(GetTransaction(((GetTxAction)action).TxHash));
}
else if (action is ExecuteContractAction)
{
var executeContractAction = ((ExecuteContractAction)action);
Types.Transaction tx;
var result = AssembleAutoTx(executeContractAction.ContractHash, executeContractAction.Message, out tx, executeContractAction.Message != null);
((ExecuteContractAction)action).SetResult(new Tuple <bool, Types.Transaction>(result, tx));
}
//TODO: remove
else if (action is GetUTXOSetAction)
{
var getUTXOSetAction = (GetUTXOSetAction)action;
HashDictionary <List <Types.Output> > txOutputs;
HashDictionary <Types.Transaction> txs;
GetUTXOSet(getUTXOSetAction.Predicate, out txOutputs, out txs);
getUTXOSetAction.SetResult(new Tuple <HashDictionary <List <Types.Output> >, HashDictionary <Types.Transaction> >(txOutputs, txs));
}
//TODO: rename
else if (action is GetUTXOSetAction2)
{
using (var dbTx = _DBContext.GetTransactionContext())
{
((GetUTXOSetAction2)action).SetResult(UTXOStore.All(dbTx).ToList());
}
}
#if TEST
else if (action is GetBlockLocationAction)
{
using (var dbTx = _DBContext.GetTransactionContext())
{
((GetBlockLocationAction)action).SetResult(BlockStore.GetLocation(dbTx, ((GetBlockLocationAction)action).Block));
}
}
#endif
}
catch (Exception e)
{
#if DEBUG
BlockChainTrace.Error("Blockchain request handle got an exception.\n\nOriginal caller's stack:\n\n" + action.StackTrace + "\n\nException:\n\n", e);
#else
BlockChainTrace.Error("Blockchain request exception", e);
#endif
}
}
}