private async Task <string> RelayTransaction(
Relay relay,
TransactionInput transaction,
string hubAddress)
{
var nonce = await _relayHubManager
.GetNonceAsync(hubAddress, transaction.From)
.ConfigureAwait(false);
var hash = GetTransactionHash(
transaction.From,
transaction.To,
transaction.Data,
relay.Fee,
transaction.GasPrice.Value,
transaction.Gas.Value,
nonce,
hubAddress,
relay.Address);
var signer = new EthereumMessageSigner();
var signature = signer.Sign(hash.HexToByteArray(), _privateKey);
var approvalDataSig = signer.Sign(
GetApprovalData(
transaction,
relay.Fee,
transaction.GasPrice.Value,
transaction.Gas.Value,
nonce,
hubAddress,
relay.Address),
_privateKey);
var transactionCount = await _ethApiContractService.Transactions.GetTransactionCount
.SendRequestAsync(relay.Address)
.ConfigureAwait(false);
var relayMaxNonce = transactionCount.Value + new BigInteger(_options.AllowedRelayNonceGap);
var txHash = await SendViaRelay(
relay.Url,
transaction,
relay.Fee,
transaction.GasPrice.Value,
transaction.Gas.Value,
nonce,
hubAddress,
relay.Address,
signature,
approvalDataSig,
relayMaxNonce)
.ConfigureAwait(false);
return(txHash);
}
public void ShouldRecover()
{
var signature = "0x0976a177078198a261faf206287b8bb93ebb233347ab09a57c8691733f5772f67f398084b30fc6379ffee2cc72d510fd0f8a7ac2ee0162b95dc5d61146b40ffa1c";
var text = "test";
var hasher = new Sha3Keccack();
var hash = hasher.CalculateHash(text);
var signer = new EthereumMessageSigner();
var account = signer.EcRecover(hash.HexToByteArray(), signature);
Assert.Equal("0x12890d2cce102216644c59dae5baed380d84830c", account.EnsureHexPrefix().ToLower());
signature = signer.Sign(hash.HexToByteArray(),
"0xb5b1870957d373ef0eeffecc6e4812c0fd08f554b37b233526acc331bf1544f7");
account = signer.EcRecover(hash.HexToByteArray(), signature);
Assert.Equal("0x12890d2cce102216644c59dae5baed380d84830c".ToLower(), account.EnsureHexPrefix().ToLower());
}
public void test4()
{
var signature =
"0xdb46c6be4b1ee0ef670625630d38899213ea5d63d749954d82a4651b81f7d44f6d16e2e4903038c022b71d11baa26b08142c6b9f5db106d7b96b57d1836ce10e1b";
var text = "test";
var hasher = new Sha3Keccack();
var hash = hasher.CalculateHash(text);
var signer = new EthereumMessageSigner();
var account = signer.EncodeUTF8AndEcRecover(text, signature);
Assert.Equal("0xe77992311815D6961cBB231CFd2009990203385F".ToLower(), account.EnsureHexPrefix().ToLower());
signature = signer.Sign(hash.HexToByteArray(),
"0xd3a7d42d881a9b59ccefcac0f5bcc69f85e68fdf0bfb6fcbbe42373320de420f");
account = signer.EcRecover(hash.HexToByteArray(), signature);
Assert.Equal("0x12890d2cce102216644c59dae5baed380d84830c".ToLower(), account.EnsureHexPrefix().ToLower());
}
private string getGluwacoinReserveTxnSignature(
ECurrency currency,
string address,
string amount,
string fee,
string target,
string executor,
BigInteger nonce,
BigInteger expiryBlockNumber,
string privateKey)
{
BigInteger convertAmount = BigInteger.Zero;
BigInteger convertFee = BigInteger.Zero;
if (currency.IsGluwacoinSideChainCurrency())
{
convertAmount = GluwacoinConverter.ConvertToGluwacoinSideChainBigInteger(amount, currency);
convertFee = GluwacoinConverter.ConvertToGluwacoinSideChainBigInteger(fee, currency);
}
else
{
convertAmount = GluwacoinConverter.ConvertToGluwacoinBigInteger(amount);
convertFee = GluwacoinConverter.ConvertToGluwacoinBigInteger(fee);
}
ABIEncode abiEncode = new ABIEncode();
byte[] messageHash = abiEncode.GetSha3ABIEncodedPacked(
new ABIValue("address", GluwaService.getGluwacoinContractAddress(currency, mEnv)),
new ABIValue("address", address),
new ABIValue("address", target),
new ABIValue("address", executor),
new ABIValue("uint256", convertAmount),
new ABIValue("uint256", convertFee),
new ABIValue("uint256", nonce),
new ABIValue("uint256", expiryBlockNumber)
);
EthereumMessageSigner signer = new EthereumMessageSigner();
string signature = signer.Sign(messageHash, privateKey);
return(signature);
}
private string getGluwacoinTransactionSignature(ECurrency currency, string amount, string fee, string nonce, string address, string target, string privateKey)
{
BigInteger convertAmount = BigInteger.Zero;
BigInteger convertFee = BigInteger.Zero;
if (currency.IsGluwacoinSideChainCurrency())
{
if (currency == ECurrency.sNGNG)
{
convertAmount = GluwacoinConverter.ConvertToGluwacoinSideChainBigInteger(amount, currency);
convertFee = GluwacoinConverter.ConvertToGluwacoinSideChainBigInteger(fee.ToString(), currency);
}
else if (currency == ECurrency.sUSDCG)
{
convertAmount = GluwacoinConverter.ConvertToGluwacoinSideChainBigInteger(amount, currency);
convertFee = GluwacoinConverter.ConvertToGluwacoinSideChainBigInteger(fee.ToString(), currency);
}
}
else
{
convertAmount = GluwacoinConverter.ConvertToGluwacoinBigInteger(amount);
convertFee = GluwacoinConverter.ConvertToGluwacoinBigInteger(fee.ToString());
}
ABIEncode abiEncode = new ABIEncode();
byte[] messageHash = abiEncode.GetSha3ABIEncodedPacked(
new ABIValue("address", GluwaService.getGluwacoinContractAddress(currency, mEnv)),
new ABIValue("address", address),
new ABIValue("address", target),
new ABIValue("uint256", convertAmount),
new ABIValue("uint256", convertFee),
new ABIValue("uint256", BigInteger.Parse(nonce))
);
EthereumMessageSigner signer = new EthereumMessageSigner();
string signature = signer.Sign(messageHash, privateKey);
return(signature);
}
public string Sign(string privateKey, byte[] message)
{
return(_signer.Sign(message, privateKey));
}