public async Task <TransactionTrace> ExecuteAsync(IChainContext chainContext, Transaction transaction,
Timestamp currentBlockTime)
{
var trace = new TransactionTrace()
{
TransactionId = transaction.GetHash()
};
var transactionContext = new TransactionContext
{
PreviousBlockHash = chainContext.BlockHash,
CurrentBlockTime = currentBlockTime,
Transaction = transaction,
BlockHeight = chainContext.BlockHeight + 1,
Trace = trace,
CallDepth = 0,
StateCache = chainContext.StateCache
};
var executive = await _smartContractExecutiveService.GetExecutiveAsync(
chainContext, transaction.To);
try
{
await executive.ApplyAsync(transactionContext);
}
finally
{
await _smartContractExecutiveService.PutExecutiveAsync(chainContext, transaction.To, executive);
}
return(trace);
}
protected override async Task <TransactionTrace> ExecuteOneAsync(
SingleTransactionExecutingDto singleTxExecutingDto,
CancellationToken cancellationToken)
{
if (singleTxExecutingDto.IsCancellable)
{
cancellationToken.ThrowIfCancellationRequested();
}
singleTxExecutingDto.OriginTransactionId = _pluginOriginId;
var txContext = CreateTransactionContext(singleTxExecutingDto);
var trace = txContext.Trace;
var internalStateCache = new TieredStateCache(singleTxExecutingDto.ChainContext.StateCache);
var internalChainContext =
new ChainContextWithTieredStateCache(singleTxExecutingDto.ChainContext, internalStateCache);
IExecutive executive;
try
{
executive = await _smartContractExecutiveService.GetExecutiveAsync(
internalChainContext,
singleTxExecutingDto.Transaction.To);
}
catch (SmartContractFindRegistrationException)
{
txContext.Trace.ExecutionStatus = ExecutionStatus.ContractError;
txContext.Trace.Error += "Invalid contract address.\n";
return(trace);
}
try
{
await executive.ApplyAsync(txContext);
if (txContext.Trace.IsSuccessful())
{
await ExecuteInlineTransactions(singleTxExecutingDto.Depth, singleTxExecutingDto.CurrentBlockTime,
txContext, internalStateCache,
internalChainContext,
singleTxExecutingDto.OriginTransactionId,
cancellationToken);
}
}
catch (Exception ex)
{
Logger.LogError(ex, "Transaction execution failed.");
txContext.Trace.ExecutionStatus = ExecutionStatus.ContractError;
txContext.Trace.Error += ex + "\n";
throw;
}
finally
{
await _smartContractExecutiveService.PutExecutiveAsync(singleTxExecutingDto.ChainContext,
singleTxExecutingDto.Transaction.To, executive);
}
return(trace);
}
public async Task <TransactionTrace> ExecuteAsync(IChainContext chainContext, Transaction transaction,
Timestamp currentBlockTime)
{
var transactionContext = _transactionContextFactory.Create(transaction, chainContext, currentBlockTime);
var executive = await _smartContractExecutiveService.GetExecutiveAsync(
chainContext, transaction.To);
try
{
await executive.ApplyAsync(transactionContext);
}
finally
{
await _smartContractExecutiveService.PutExecutiveAsync(chainContext, transaction.To, executive);
}
return(transactionContext.Trace);
}
private async Task <TransactionResourceInfo> GetResourcesForOneAsync(IChainContext chainContext,
Transaction transaction, CancellationToken ct)
{
IExecutive executive = null;
var address = transaction.To;
try
{
executive = await _smartContractExecutiveService.GetExecutiveAsync(chainContext, address);
var codeRemarks = await _codeRemarksManager.GetCodeRemarksAsync(executive.ContractHash);
if (codeRemarks != null && codeRemarks.NonParallelizable)
{
return(new TransactionResourceInfo
{
TransactionId = transaction.GetHash(),
ParallelType = ParallelType.NonParallelizable
});
}
var resourceInfo = await executive.GetTransactionResourceInfoAsync(chainContext, transaction);
// Try storing in cache here
return(resourceInfo);
}
catch (SmartContractFindRegistrationException e)
{
return(new TransactionResourceInfo
{
TransactionId = transaction.GetHash(),
ParallelType = ParallelType.InvalidContractAddress
});
}
finally
{
if (executive != null)
{
await _smartContractExecutiveService.PutExecutiveAsync(address, executive);
}
}
}
private async Task <TransactionTrace> ExecuteOneAsync(int depth, IChainContext chainContext,
Transaction transaction, Timestamp currentBlockTime, CancellationToken cancellationToken,
Address origin = null, bool isCancellable = true)
{
if (isCancellable && cancellationToken.IsCancellationRequested)
{
return(new TransactionTrace
{
TransactionId = transaction.GetHash(),
ExecutionStatus = ExecutionStatus.Canceled,
Error = "Execution cancelled"
});
}
if (transaction.To == null || transaction.From == null)
{
throw new Exception($"error tx: {transaction}");
}
var trace = new TransactionTrace
{
TransactionId = transaction.GetHash()
};
var txContext = new TransactionContext
{
PreviousBlockHash = chainContext.BlockHash,
CurrentBlockTime = currentBlockTime,
Transaction = transaction,
BlockHeight = chainContext.BlockHeight + 1,
Trace = trace,
CallDepth = depth,
StateCache = chainContext.StateCache,
Origin = origin != null ? origin : transaction.From
};
var internalStateCache = new TieredStateCache(chainContext.StateCache);
var internalChainContext = new ChainContextWithTieredStateCache(chainContext, internalStateCache);
IExecutive executive;
try
{
executive = await _smartContractExecutiveService.GetExecutiveAsync(
internalChainContext,
transaction.To);
}
catch (SmartContractFindRegistrationException e)
{
txContext.Trace.ExecutionStatus = ExecutionStatus.ContractError;
txContext.Trace.Error += "Invalid contract address.\n";
return(trace);
}
try
{
#region PreTransaction
if (depth == 0)
{
if (!await ExecutePluginOnPreTransactionStageAsync(executive, txContext, currentBlockTime,
internalChainContext, internalStateCache, cancellationToken))
{
return(trace);
}
}
#endregion
await executive.ApplyAsync(txContext);
await ExecuteInlineTransactions(depth, currentBlockTime, txContext, internalStateCache,
internalChainContext, cancellationToken);
#region PostTransaction
if (depth == 0)
{
if (!await ExecutePluginOnPostTransactionStageAsync(executive, txContext, currentBlockTime,
internalChainContext, internalStateCache, cancellationToken))
{
return(trace);
}
}
#endregion
}
catch (Exception ex)
{
Logger.LogError($"Tx execution failed: {txContext}");
txContext.Trace.ExecutionStatus = ExecutionStatus.ContractError;
txContext.Trace.Error += ex + "\n";
throw;
}
finally
{
await _smartContractExecutiveService.PutExecutiveAsync(transaction.To, executive);
await LocalEventBus.PublishAsync(new TransactionExecutedEventData
{
TransactionTrace = trace
});
}
return(trace);
}
private async Task <TransactionTrace> ExecuteOneAsync(SingleTransactionExecutingDto singleTxExecutingDto,
CancellationToken cancellationToken)
{
if (singleTxExecutingDto.IsCancellable)
{
cancellationToken.ThrowIfCancellationRequested();
}
var txContext = CreateTransactionContext(singleTxExecutingDto, out var trace);
var internalStateCache = new TieredStateCache(singleTxExecutingDto.ChainContext.StateCache);
var internalChainContext = new ChainContextWithTieredStateCache(singleTxExecutingDto.ChainContext, internalStateCache);
IExecutive executive;
try
{
executive = await _smartContractExecutiveService.GetExecutiveAsync(
internalChainContext,
singleTxExecutingDto.Transaction.To);
}
catch (SmartContractFindRegistrationException)
{
txContext.Trace.ExecutionStatus = ExecutionStatus.ContractError;
txContext.Trace.Error += "Invalid contract address.\n";
return(trace);
}
try
{
#region PreTransaction
if (singleTxExecutingDto.Depth == 0)
{
if (!await ExecutePluginOnPreTransactionStageAsync(executive, txContext, singleTxExecutingDto.CurrentBlockTime,
internalChainContext, internalStateCache, cancellationToken))
{
trace.ExecutionStatus = ExecutionStatus.Prefailed;
return(trace);
}
}
#endregion
await executive.ApplyAsync(txContext);
if (txContext.Trace.IsSuccessful())
{
await ExecuteInlineTransactions(singleTxExecutingDto.Depth, singleTxExecutingDto.CurrentBlockTime,
txContext, internalStateCache,
internalChainContext, cancellationToken);
}
#region PostTransaction
if (singleTxExecutingDto.Depth == 0)
{
if (!await ExecutePluginOnPostTransactionStageAsync(executive, txContext, singleTxExecutingDto.CurrentBlockTime,
internalChainContext, internalStateCache, cancellationToken))
{
trace.ExecutionStatus = ExecutionStatus.Postfailed;
return(trace);
}
}
#endregion
}
catch (Exception ex)
{
Logger.LogError(ex, "Transaction execution failed.");
txContext.Trace.ExecutionStatus = ExecutionStatus.ContractError;
txContext.Trace.Error += ex + "\n";
throw;
}
finally
{
await _smartContractExecutiveService.PutExecutiveAsync(singleTxExecutingDto.ChainContext,
singleTxExecutingDto.Transaction.To, executive);
#if DEBUG
await LocalEventBus.PublishAsync(new TransactionExecutedEventData
{
TransactionTrace = trace
});
#endif
}
return(trace);
}
private async Task <TransactionTrace> ExecuteOneAsync(int depth, IChainContext chainContext,
Transaction transaction, DateTime currentBlockTime, CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return(new TransactionTrace()
{
TransactionId = transaction.GetHash(),
ExecutionStatus = ExecutionStatus.Canceled
});
}
if (transaction.To == null || transaction.From == null)
{
throw new Exception($"error tx: {transaction}");
}
var trace = new TransactionTrace
{
TransactionId = transaction.GetHash()
};
var txCtxt = new TransactionContext
{
PreviousBlockHash = chainContext.BlockHash,
CurrentBlockTime = currentBlockTime,
Transaction = transaction,
BlockHeight = chainContext.BlockHeight + 1,
Trace = trace,
CallDepth = depth,
StateCache = chainContext.StateCache
};
var internalStateCache = new TieredStateCache(chainContext.StateCache);
var internalChainContext = new ChainContextWithTieredStateCache(chainContext, internalStateCache);
var executive = await _smartContractExecutiveService.GetExecutiveAsync(
internalChainContext,
transaction.To);
try
{
#region PreTransaction
if (depth == 0)
{
foreach (var plugin in _plugins)
{
var transactions = await plugin.GetPreTransactionsAsync(executive.Descriptors, txCtxt);
foreach (var preTx in transactions)
{
var preTrace = await ExecuteOneAsync(0, internalChainContext, preTx, currentBlockTime,
cancellationToken);
trace.PreTransactions.Add(preTx);
trace.PreTraces.Add(preTrace);
if (!preTrace.IsSuccessful())
{
trace.ExecutionStatus = ExecutionStatus.Prefailed;
return(trace);
}
internalStateCache.Update(preTrace.GetFlattenedWrite()
.Select(x => new KeyValuePair <string, byte[]>(x.Key, x.Value.ToByteArray())));
}
}
}
#endregion
await executive.ApplyAsync(txCtxt);
if (txCtxt.Trace.IsSuccessful() && txCtxt.Trace.InlineTransactions.Count > 0)
{
internalStateCache.Update(txCtxt.Trace.GetFlattenedWrite()
.Select(x => new KeyValuePair <string, byte[]>(x.Key, x.Value.ToByteArray())));
foreach (var inlineTx in txCtxt.Trace.InlineTransactions)
{
var inlineTrace = await ExecuteOneAsync(depth + 1, internalChainContext, inlineTx,
currentBlockTime, cancellationToken);
trace.InlineTraces.Add(inlineTrace);
if (!inlineTrace.IsSuccessful())
{
// Fail already, no need to execute remaining inline transactions
break;
}
internalStateCache.Update(inlineTrace.GetFlattenedWrite()
.Select(x => new KeyValuePair <string, byte[]>(x.Key, x.Value.ToByteArray())));
}
}
}
catch (Exception ex)
{
txCtxt.Trace.ExecutionStatus = ExecutionStatus.ContractError;
txCtxt.Trace.StdErr += ex + "\n";
throw;
}
finally
{
await _smartContractExecutiveService.PutExecutiveAsync(transaction.To, executive);
}
return(trace);
}