public async Task TestTransferAsync()
{
var transactionClient = _record.ServiceProvider.GetService <ITransactionClient>();
var walletClient = _record.TronClient.GetWalletClient();
var privateKey = "8e812436a0e3323166e1f0e8ba79e19e217b2c4a53c970d4cca0cfb1078979df";
var tronKey = new TronECKey(privateKey, _record.Options.Value.Network);
var from = tronKey.GetPublicAddress();
var to = "TGehVcNhud84JDCGrNHKVz9jEAVKUpbuiv";
var amount = 1_000_000L; // 1 TRX, api only receive trx in Sun, and 1 trx = 1000000 Sun
var fromAddress = Base58Encoder.DecodeFromBase58Check(from);
var toAddress = Base58Encoder.DecodeFromBase58Check(to);
var block = await walletClient.GetNowBlock2Async(new EmptyMessage());
var transaction = await transactionClient.CreateTransactionAsync(from, to, amount);
Assert.True(transaction.Result.Result);
var transactionSigned = transactionClient.GetTransactionSign(transaction.Transaction, privateKey);
var result = await transactionClient.BroadcastTransactionAsync(transactionSigned);
Assert.True(result.Result);
}
private async Task <TransactionExtention> CreateTransactionAsync(string from, string to, long amount)
{
var fromAddress = Base58Encoder.DecodeFromBase58Check(from);
var toAddress = Base58Encoder.DecodeFromBase58Check(to);
var transferContract = new TransferContract
{
OwnerAddress = ByteString.CopyFrom(fromAddress),
ToAddress = ByteString.CopyFrom(toAddress),
Amount = amount
};
var transaction = new Transaction();
var contract = new Transaction.Types.Contract();
try
{
contract.Parameter = Google.Protobuf.WellKnownTypes.Any.Pack(transferContract);
}
catch (Exception)
{
return(new TransactionExtention
{
Result = new Return {
Result = false, Code = Return.Types.response_code.OtherError
},
});
}
var newestBlock = await _wallet.GetNowBlock2Async(new EmptyMessage());
contract.Type = Transaction.Types.Contract.Types.ContractType.TransferContract;
transaction.RawData = new Transaction.Types.raw();
transaction.RawData.Contract.Add(contract);
transaction.RawData.Timestamp = DateTime.Now.Ticks;
transaction.RawData.Expiration = newestBlock.BlockHeader.RawData.Timestamp + 10 * 60 * 60 * 1000;
var blockHeight = newestBlock.BlockHeader.RawData.Number;
var blockHash = Sha256Sm3Hash.Of(newestBlock.BlockHeader.RawData.ToByteArray()).GetBytes();
var bb = ByteBuffer.Allocate(8);
bb.PutLong(blockHeight);
var refBlockNum = bb.ToArray();
transaction.RawData.RefBlockHash = ByteString.CopyFrom(blockHash.SubArray(8, 8));
transaction.RawData.RefBlockBytes = ByteString.CopyFrom(refBlockNum.SubArray(6, 2));
var transactionExtension = new TransactionExtention
{
Transaction = transaction,
Txid = ByteString.CopyFromUtf8(transaction.GetTxid()),
Result = new Return {
Result = true, Code = Return.Types.response_code.Success
},
};
return(transactionExtension);
}
public async Task <decimal> BalanceOfAsync(string contractAddress, ITronAccount ownerAccount)
{
var contractAddressBytes = Base58Encoder.DecodeFromBase58Check(contractAddress);
var ownerAddressBytes = Base58Encoder.DecodeFromBase58Check(ownerAccount.Address);
var wallet = _walletClient.GetProtocol();
var functionABI = ABITypedRegistry.GetFunctionABI <BalanceOfFunction>();
try
{
var addressBytes = new byte[20];
Array.Copy(ownerAddressBytes, 1, addressBytes, 0, addressBytes.Length);
var addressBytesHex = "0x" + addressBytes.ToHex();
var balanceOf = new BalanceOfFunction {
Owner = addressBytesHex
};
var decimals = GetDecimals(wallet, contractAddressBytes);
var encodedHex = new FunctionCallEncoder().EncodeRequest(balanceOf, functionABI.Sha3Signature);
var trigger = new TriggerSmartContract
{
ContractAddress = ByteString.CopyFrom(contractAddressBytes),
OwnerAddress = ByteString.CopyFrom(ownerAddressBytes),
Data = ByteString.CopyFrom(encodedHex.HexToByteArray()),
};
var transactionExtention = await wallet.TriggerConstantContractAsync(trigger, headers : _walletClient.GetHeaders());
if (!transactionExtention.Result.Result)
{
throw new Exception(transactionExtention.Result.Message.ToStringUtf8());
}
if (transactionExtention.ConstantResult.Count == 0)
{
throw new Exception($"result error, ConstantResult length=0.");
}
var result = new FunctionCallDecoder().DecodeFunctionOutput <BalanceOfFunctionOutput>(transactionExtention.ConstantResult[0].ToByteArray().ToHex());
var balance = Convert.ToDecimal(result.Balance);
if (decimals > 0)
{
balance /= Convert.ToDecimal(Math.Pow(10, decimals));
}
return(balance);
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
throw;
}
}
public ByteString ParseAddress(string address)
{
if (string.IsNullOrWhiteSpace(address))
{
throw new ArgumentNullException(nameof(address));
}
byte[] raw;
if (address.StartsWith("T"))
{
raw = Base58Encoder.DecodeFromBase58Check(address);
}
else if (address.StartsWith("41"))
{
raw = address.HexToByteArray();
}
else if (address.StartsWith("0x"))
{
raw = address[2..].HexToByteArray();
public async Task <string> TransferAsync(string contractAddress, ITronAccount ownerAccount, string toAddress, decimal amount, string memo, long feeLimit)
{
var contractAddressBytes = Base58Encoder.DecodeFromBase58Check(contractAddress);
var callerAddressBytes = Base58Encoder.DecodeFromBase58Check(toAddress);
var ownerAddressBytes = Base58Encoder.DecodeFromBase58Check(ownerAccount.Address);
var wallet = _walletClient.GetProtocol();
var functionABI = ABITypedRegistry.GetFunctionABI <TransferFunction>();
try
{
var contract = await wallet.GetContractAsync(new BytesMessage
{
Value = ByteString.CopyFrom(contractAddressBytes),
}, headers : _walletClient.GetHeaders());
var toAddressBytes = new byte[20];
Array.Copy(callerAddressBytes, 1, toAddressBytes, 0, toAddressBytes.Length);
var toAddressHex = "0x" + toAddressBytes.ToHex();
var decimals = GetDecimals(wallet, contractAddressBytes);
var tokenAmount = amount;
if (decimals > 0)
{
tokenAmount = amount * Convert.ToDecimal(Math.Pow(10, decimals));
}
var trc20Transfer = new TransferFunction
{
To = toAddressHex,
TokenAmount = Convert.ToInt64(tokenAmount),
};
var encodedHex = new FunctionCallEncoder().EncodeRequest(trc20Transfer, functionABI.Sha3Signature);
var trigger = new TriggerSmartContract
{
ContractAddress = ByteString.CopyFrom(contractAddressBytes),
OwnerAddress = ByteString.CopyFrom(ownerAddressBytes),
Data = ByteString.CopyFrom(encodedHex.HexToByteArray()),
};
var transactionExtention = await wallet.TriggerConstantContractAsync(trigger, headers : _walletClient.GetHeaders());
if (!transactionExtention.Result.Result)
{
_logger.LogWarning($"[transfer]transfer failed, message={transactionExtention.Result.Message.ToStringUtf8()}.");
return(null);
}
var transaction = transactionExtention.Transaction;
if (transaction.Ret.Count > 0 && transaction.Ret[0].Ret == Transaction.Types.Result.Types.code.Failed)
{
return(null);
}
transaction.RawData.Data = ByteString.CopyFromUtf8(memo);
transaction.RawData.FeeLimit = feeLimit;
var transSign = _transactionClient.GetTransactionSign(transaction, ownerAccount.PrivateKey);
var result = await _transactionClient.BroadcastTransactionAsync(transSign);
return(transSign.GetTxid());
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
return(null);
}
}
