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 Sha3ForCooperative(CooperativeSignDto cooperativeDto)
{
var sha3 = new Sha3Keccack();
var bob =
new IntTypeEncoder()
.Encode(StringToBigInteger(cooperativeDto.BobAmountWei));
var alice =
new IntTypeEncoder()
.Encode(StringToBigInteger(cooperativeDto.AliceAmountWei));
var output = sha3.CalculateHashFromHex(bob.ToHex(), alice.ToHex(), cooperativeDto.ChannelId);
var resultHash = "0x" + output;
return(resultHash);
}
public void ShouldSignHash()
{
var address1 = "0x6A849e2036A36EB4Cd37b9aFA3c770064899f1A2";
var address2 = "0x12890D2cce102216644c59daE5baed380d84830c";
var numberBytes = new IntTypeEncoder().Encode(1); //Number is a big integer so we need 32 bytes if it was int32 it will be 4 bytes. Using the abi encoder it takes care of padding
var sha3 = new Util.Sha3Keccack();
var output = sha3.CalculateHashFromHex(address1, address2, numberBytes.ToHex());
Assert.Equal("0xc11d3d2b8e0c5b8b645b9e7502751352ecaf8c3fdf3a0124dae9c1556fb2ce37", output.EnsureHexPrefix());
var signer = new MessageSigner();
var signature = signer.Sign(output.HexToByteArray(), "0xb5b1870957d373ef0eeffecc6e4812c0fd08f554b37b233526acc331bf1544f7");
var ethEcdsa = MessageSigner.ExtractEcdsaSignature(signature);
var adddress = signer.EcRecover(output.HexToByteArray(), signature);
Assert.Equal(adddress, new EthECKey("0xb5b1870957d373ef0eeffecc6e4812c0fd08f554b37b233526acc331bf1544f7".HexToByteArray(), true).GetPublicAddress());
}
public static string Sha3ForReceipts(ReceiptDto receiptDto)
{
var sha3 = new Sha3Keccack();
var rec =
new IntTypeEncoder()
.Encode(receiptDto.ReceiptId);
var epo =
new IntTypeEncoder()
.Encode(receiptDto.EpochId);
var amo =
new IntTypeEncoder()
.Encode(StringToBigInteger(receiptDto.AmountWei));
var output = sha3.CalculateHashFromHex(rec.ToHex(), epo.ToHex(), amo.ToHex(), receiptDto.Address);
var resultHash = "0x" + output;
return(resultHash);
}
public static string Sha3ForAudit(AuditSignDto auditDto)
{
var sha3 = new Sha3Keccack();
var bob =
new IntTypeEncoder()
.Encode(StringToBigInteger(auditDto.BobAmountWei));
var alice =
new IntTypeEncoder()
.Encode(StringToBigInteger(auditDto.AliceAmountWei));
var epoch =
new IntTypeEncoder()
.Encode(auditDto.EpochId);
var output = sha3.CalculateHashFromHex(bob.ToHex(), alice.ToHex(), auditDto.ChannelId, epoch.ToHex());
var resultHash = "0x" + output;
return(resultHash);
}