private ExecutionState InternalCall(NativeContract contract, ContractMethod method, ExecutionFrame frame, Stack <VMObject> stack) { var args = new object[method.parameters.Length]; for (int i = 0; i < args.Length; i++) { var arg = stack.Pop(); args[i] = arg.Data; } object result; using (var m = new ProfileMarker(method.name)) result = contract.CallInternalMethod((RuntimeVM)frame.VM, method.name, args); if (method.returnType != VMType.None) { var obj = VMObject.FromObject(result); stack.Push(obj); } return(ExecutionState.Running); }
public StorageChangeSetContext ProcessTransactions(Block block, IEnumerable <Transaction> transactions , OracleReader oracle, BigInteger minimumFee, bool allowModify = true) { if (allowModify) { block.CleanUp(); } var changeSet = new StorageChangeSetContext(this.Storage); transactions = ProcessPendingTasks(block, oracle, minimumFee, changeSet, allowModify).Concat(transactions); int txIndex = 0; foreach (var tx in transactions) { VMObject vmResult; try { using (var m = new ProfileMarker("ExecuteTransaction")) { if (ExecuteTransaction(txIndex, tx, tx.Script, block.Validator, block.Timestamp, changeSet, block.Notify, oracle, ChainTask.Null, minimumFee, out vmResult, allowModify)) { // merge transaction oracle data oracle.MergeTxData(); if (vmResult != null) { if (allowModify) { var resultBytes = Serialization.Serialize(vmResult); block.SetResultForHash(tx.Hash, resultBytes); } } } else { throw new InvalidTransactionException(tx.Hash, "script execution failed"); } } } catch (Exception e) { e = e.ExpandInnerExceptions(); if (tx == null) { throw new BlockGenerationException(e.Message); } throw new InvalidTransactionException(tx.Hash, e.Message); } txIndex++; } if (this.IsRoot) { var inflationReady = NativeContract.LoadFieldFromStorage <bool>(changeSet, NativeContractKind.Gas, nameof(GasContract._inflationReady)); if (inflationReady) { var script = new ScriptBuilder() .AllowGas(block.Validator, Address.Null, minimumFee, 999999) .CallContract(NativeContractKind.Gas, nameof(GasContract.ApplyInflation), block.Validator) .SpendGas(block.Validator) .EndScript(); var transaction = new Transaction(this.Nexus.Name, this.Name, script, block.Timestamp.Value + 1, "SYSTEM"); VMObject vmResult; if (!ExecuteTransaction(-1, transaction, transaction.Script, block.Validator, block.Timestamp, changeSet, block.Notify, oracle, ChainTask.Null, minimumFee, out vmResult, allowModify)) { throw new ChainException("failed to execute inflation transaction"); } transactions = transactions.Concat(new Transaction[] { transaction }); } } if (block.Protocol > DomainSettings.LatestKnownProtocol) { throw new BlockGenerationException($"unexpected protocol number {block.Protocol}, maybe software update required?"); } // Only check protocol version if block is created on this node, no need to check if it's a non validator node. if (allowModify) { var expectedProtocol = Nexus.GetGovernanceValue(Nexus.RootStorage, Nexus.NexusProtocolVersionTag); if (block.Protocol != expectedProtocol) { throw new BlockGenerationException($"invalid protocol number {block.Protocol}, expected protocol {expectedProtocol}"); } using (var m = new ProfileMarker("CloseBlock")) { CloseBlock(block, changeSet); } } return(changeSet); }