コード例 #1
0
        public SolidityExecutor Execute(IEnumerable <byte> scAddrPayload, IEnumerable <byte> addrPayload, IEnumerable <byte> data, bool addInTransaction = false)
        {
            if (scAddrPayload == null)
            {
                throw new ArgumentNullException(nameof(scAddrPayload));
            }

            if (addrPayload == null)
            {
                addrPayload = new byte[0];
            }

            var smartContract    = _smartContractStore.GetSmartContracts().GetSmartContract(scAddrPayload);
            var defaultCallValue = new DataWord(new byte[] { 0x00 });

            _smartContracts = _smartContractStore.GetSmartContracts();
            var scode = smartContract.Code.ToHexString();

            _solidityProgram = new SolidityProgram(smartContract.Code.ToList(), new SolidityProgramInvoke(data, smartContract.Address, new DataWord(addrPayload.ToArray()), defaultCallValue, _smartContracts, addInTransaction));
            var vm = new SolidityVm();

            while (!_solidityProgram.IsStopped())
            {
                vm.Step(_solidityProgram);
            }

            return(this);
        }
コード例 #2
0
        private void Persist(Block block, WriteBatch writeBatch, bool addIntoCache = false)
        {
            if (writeBatch == null)
            {
                throw new ArgumentNullException(nameof(writeBatch));
            }

            if (block == null)
            {
                throw new ArgumentNullException(nameof(block));
            }

            var defaultCallValue = new DataWord(new byte[] { 0x00 });

            foreach (var transaction in block.Transactions)
            {
                var smartContractTransaction = transaction as SmartContractTransaction;
                if (smartContractTransaction == null)
                {
                    continue;
                }


                if (smartContractTransaction.To == null || !smartContractTransaction.To.Any()) // Create the contract.
                {
                    var solidityVm = new SolidityVm();
                    var program    = new SolidityProgram(smartContractTransaction.Data.ToList(), new SolidityProgramInvoke(new byte[0], new DataWord(smartContractTransaction.From.ToArray()), defaultCallValue, this));
                    while (!program.IsStopped())
                    {
                        solidityVm.Step(program);
                    }

                    var contractCode     = program.GetResult().GetHReturn();
                    var txId             = transaction.GetTxId();
                    var smartContractAdr = smartContractTransaction.GetSmartContractAddress();
                    var hex = contractCode.ToHexString();
                    writeBatch.Put(string.Format(SMART_CONTRACT_ELT, smartContractAdr.ToHexString()), hex);
                    writeBatch.Put(string.Format(SMART_CONTRACT_TX_ELT, txId.ToHexString()), smartContractAdr.ToHexString());
                    if (addIntoCache)
                    {
                        _cacheSmartContracts.Add(smartContractAdr.ToHexString(), new SmartContract
                        {
                            Address = smartContractAdr,
                            Code    = contractCode
                        });
                        _cacheTxSmartContracts.Add(txId.ToHexString(), new SmartContract
                        {
                            Address = smartContractAdr,
                            Code    = contractCode
                        });
                    }
                }
                else if (smartContractTransaction.To != null)
                {
                    var sc = GetSmartContract(smartContractTransaction.To);
                    if (sc == null)
                    {
                        return;
                    }

                    var from = smartContractTransaction.From;
                    if (from == null)
                    {
                        from = new byte[0];
                    }

                    var solidityVm = new SolidityVm();
                    var program    = new SolidityProgram(sc.Code.ToList(), new SolidityProgramInvoke(smartContractTransaction.Data, smartContractTransaction.To, new DataWord(from.ToArray()), defaultCallValue, this));
                    while (!program.IsStopped())
                    {
                        solidityVm.Step(program);
                    }

                    var logs = program.GetResult().GetLogs();
                    if (logs != null && logs.Any())
                    {
                        AddLogs(smartContractTransaction.To, block.GetHashHeader(), logs, addIntoCache);
                    }
                }
            }
        }