public EthTransferResult TryTransferAsset(string platform, string symbol, string toAddress, decimal amount,
int decimals, out string result)
{
if (symbol.Equals("ETH", StringComparison.InvariantCultureIgnoreCase) || symbol.Equals("BNB", StringComparison.InvariantCultureIgnoreCase))
{
var bytes = Nexus.GetOracleReader().Read <byte[]>(DateTime.Now, Domain.DomainExtensions.GetOracleFeeURL(platform));
var fees = Phantasma.Numerics.BigInteger.FromUnsignedArray(bytes, true);
var gasPrice = Numerics.UnitConversion.ToDecimal(fees / _settings.Oracle.EthGasLimit, 9);
result = EthUtils.RunSync(() => GetWeb3Client().Eth.GetEtherTransferService()
.TransferEtherAsync(toAddress, amount, gasPrice, _settings.Oracle.EthGasLimit));
return(EthTransferResult.Success);
}
else
{
var nativeAsset = false;
if (symbol == DomainSettings.StakingTokenSymbol || symbol == DomainSettings.FuelTokenSymbol)
{
nativeAsset = true;
}
var hash = Nexus.GetTokenPlatformHash(symbol, platform, Nexus.RootStorage);
if (hash.IsNull)
{
result = null;
return(EthTransferResult.Failure);
}
var contractAddress = hash.ToString().Substring(0, 40);
if (string.IsNullOrEmpty(contractAddress))
{
result = null;
return(EthTransferResult.Failure);
}
string outTransactionHash = null;
if (nativeAsset)
{
var swapIn = new SwapInFunction()
{
Source = _account.Address,
Target = toAddress,
Amount = Nethereum.Util.UnitConversion.Convert.ToWei(amount, decimals)
};
var swapInHandler = GetWeb3Client().Eth.GetContractTransactionHandler <SwapInFunction>();
swapIn.Gas = _settings.Oracle.EthGasLimit;
var bytes = Nexus.GetOracleReader().Read <byte[]>(DateTime.Now, Domain.DomainExtensions.
GetOracleFeeURL(platform));
var fees = Phantasma.Numerics.BigInteger.FromUnsignedArray(bytes, true);
swapIn.GasPrice = System.Numerics.BigInteger.Parse(fees.ToString()) / swapIn.Gas;
outTransactionHash = EthUtils.RunSync(() => swapInHandler
.SendRequestAsync(contractAddress, swapIn));
}
else
{
var transferHandler = GetWeb3Client().Eth.GetContractTransactionHandler <TransferFunction>();
var transfer = new TransferFunction()
{
To = toAddress,
TokenAmount = Nethereum.Util.UnitConversion.Convert.ToWei(amount, decimals)
};
outTransactionHash = EthUtils.RunSync(() => transferHandler
.SendRequestAndWaitForReceiptAsync(contractAddress, transfer)).TransactionHash;
}
result = outTransactionHash;
return(EthTransferResult.Success);
}
}
