public static string CalculateCreate2Address(string address, string saltHex, string byteCodeHex)
{
if (string.IsNullOrEmpty(address))
{
throw new System.ArgumentException($"'{nameof(address)}' cannot be null or empty.", nameof(address));
}
if (string.IsNullOrEmpty(saltHex))
{
throw new System.ArgumentException($"'{nameof(saltHex)}' cannot be null or empty.", nameof(saltHex));
}
if(saltHex.EnsureHexPrefix().Length != 66)
{
throw new System.ArgumentException($"'{nameof(saltHex)}' needs to be 32 bytes", nameof(saltHex));
}
var sha3 = new Sha3Keccack();
return sha3.CalculateHashFromHex("0xff", address, saltHex, sha3.CalculateHashFromHex(byteCodeHex)).Substring(24).ConvertToEthereumChecksumAddress();
}
public TransactionInput CreateSetTopScoreTransactionInput(string addressFrom, string addressOwner, string privateKey, BigInteger score, HexBigInteger gas = null, HexBigInteger valueAmount = null)
{
var numberBytes = new IntTypeEncoder().Encode(score);
var sha3 = new Nethereum.Util.Sha3Keccack();
var hash = sha3.CalculateHashFromHex(addressFrom, addressOwner, numberBytes.ToHex());
var signer = new MessageSigner();
var signature = signer.Sign(hash.HexToByteArray(), privateKey);
var ethEcdsa = MessageSigner.ExtractEcdsaSignature(signature);
var function = GetFunctionSetTopScore();
return(function.CreateTransactionInput(addressFrom, gas, valueAmount, score, ethEcdsa.V, ethEcdsa.R, ethEcdsa.S));
}
public TransactionInput closeRoomInput(string addressFrom, string privateKey, HexBigInteger gas, int id, HexBigInteger valueAmount = null)
{
var numberBytes = new IntTypeEncoder().Encode(id);
var sha3 = new Nethereum.Util.Sha3Keccack();
var hash = sha3.CalculateHashFromHex(addressFrom, numberBytes.ToHex());
var signer = new MessageSigner();
var signature = signer.Sign(hash.HexToByteArray(), privateKey);
var ethEcdsa = MessageSigner.ExtractEcdsaSignature(signature);
object[] array = new object[] { id };
var
function = closeRoomFunction();
return(function.CreateTransactionInput(addressFrom, gas, valueAmount, array));
}
public TransactionInput createUserInput(string addressFrom, string privateKey, HexBigInteger gas, string name, int pin)
{
var stringBytes = new StringTypeEncoder().Encode(name);
var numberBytes = new IntTypeEncoder().Encode(pin);
var sha3 = new Nethereum.Util.Sha3Keccack();
var hash = sha3.CalculateHashFromHex(addressFrom, numberBytes.ToHex(), stringBytes.ToHex());
var signer = new MessageSigner();
var signature = signer.Sign(hash.HexToByteArray(), privateKey);
var ethEcdsa = MessageSigner.ExtractEcdsaSignature(signature);
object[] array = new object[] { name, pin };
var
function = createUserFunction();
return(function.CreateTransactionInput(addressFrom, array));
}
public static string CalculateTransactionHash(string rawSignedTransaction)
{
var sha3 = new Sha3Keccack();
return(sha3.CalculateHashFromHex(rawSignedTransaction));
}
