/// <summary>
/// Utility to call functions on blockchain signing it by given account
/// </summary>
/// <returns>Receipt of called transaction</returns>
public static async Task <TransactionReceipt> EvaluateOnBC(Web3 web, Profile profile, Function function, params object[] functionInput)
{
Debug.Assert(profile != null);
var gasPrice = await web.Eth.GasPrice.SendRequestAsync();
HexBigInteger gas = await function.EstimateGasAsync(profile.ID, gasPrice, new HexBigInteger(0), functionInput);
var nonceService = new InMemoryNonceService(profile.ID, web.Client);
BigInteger nonce = await nonceService.GetNextNonceAsync();
string data = function.GetData(functionInput);
var transaction = new Nethereum.Signer.Transaction(function.ContractAddress, BigInteger.Zero, nonce, gasPrice, gas.Value, data);
var rlpEncodedTx = transaction.GetRLPEncodedRaw();
string signature = await profile.SignTransaction(rlpEncodedTx);
transaction.SetSignature(Nethereum.Signer.EthECDSASignatureFactory.ExtractECDSASignature(signature));
var signedTransaction = transaction.GetRLPEncoded().ToHex(true);
string txId = await web.Eth.Transactions.SendRawTransaction.SendRequestAsync(signedTransaction).ConfigureAwait(false);
TransactionReceipt receipt = await web.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(txId);
while (receipt == null)
{
Thread.Sleep(1000);
receipt = await web.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(txId);
}
return(receipt);
}
/// <summary>
/// Utility to send ETH on blockchain signing it by given account
/// </summary>
/// <returns>Receipt of called transaction</returns>
public static async Task <TransactionReceipt> EvaluateOnBC(Web3 web, Profile profile, string to, HexBigInteger amount)
{
Debug.Assert(profile != null);
var nonceService = new InMemoryNonceService(profile.ID, web.Client);
BigInteger nonce = await nonceService.GetNextNonceAsync();
var transaction = new Nethereum.Signer.Transaction(to, amount, nonce);
var rlpEncodedTx = transaction.GetRLPEncodedRaw();
string signature = await profile.SignTransaction(rlpEncodedTx);
transaction.SetSignature(Nethereum.Signer.EthECDSASignatureFactory.ExtractECDSASignature(signature));
var signedTransaction = transaction.GetRLPEncoded().ToHex(true);
string txId = await web.Eth.Transactions.SendRawTransaction.SendRequestAsync(signedTransaction);
TransactionReceipt receipt = await web.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(txId);
while (receipt == null)
{
Thread.Sleep(1000);
receipt = await web.Eth.Transactions.GetTransactionReceipt.SendRequestAsync(txId);
}
return(receipt);
}
private async Task <string> SignTransaction(Profile profile, Nethereum.Signer.Transaction transaction)
{
string signature = await profile.SignTransaction(transaction.GetRLPEncodedRaw());
transaction.SetSignature(Nethereum.Signer.EthECDSASignatureFactory.ExtractECDSASignature(signature));
return(transaction.GetRLPEncoded().ToHex(true));
}