public static async Task <string> TransferAsync(Web3 web3, string contractAddress, string recipient, BigInteger amount, BigInteger gas, BigInteger gasPrice)
{
IContractTransactionHandler <TransferFunction> transferHandler = web3.Eth.GetContractTransactionHandler <TransferFunction>();
var transfer = new TransferFunction()
{
To = recipient,
TokenAmount = amount,
Gas = gas,
GasPrice = Web3.Convert.ToWei(gasPrice, UnitConversion.EthUnit.Gwei)
};
TransactionReceipt transactionTransferReceipt = await transferHandler.SendRequestAndWaitForReceiptAsync(contractAddress, transfer).ConfigureAwait(false);
return(transactionTransferReceipt.TransactionHash);
}
public static async Task <string> TransferOfflineAsync(Web3 web3, string contractAddress, string recipient, BigInteger amount, HexBigInteger nonce, BigInteger gas, BigInteger gasPrice, string fromAddress = null)
{
IContractTransactionHandler <TransferFunction> transferHandler = web3.Eth.GetContractTransactionHandler <TransferFunction>();
var transfer = new TransferFunction
{
To = recipient,
TokenAmount = amount,
// Nethereum internally calls its Ethereum client by default to set the GasPrice, Nonce and estimate the Gas,
// so if we want to sign the transaction for the contract completely offline we will need to set those values ourselves.
Nonce = nonce.Value,
Gas = gas,
GasPrice = Web3.Convert.ToWei(gasPrice, UnitConversion.EthUnit.Gwei)
};
if (fromAddress != null)
{
transfer.FromAddress = fromAddress;
}
string result = await transferHandler.SignTransactionAsync(contractAddress, transfer).ConfigureAwait(false);
return(result);
}