/// <summary>
/// Signature signing
/// </summary>
/// <param name="exchangeAddress">Exchange contract address</param>
/// <param name="privateKey">Private key</param>
/// <returns>Order signature (currently only EIP712 signature type is supported)</returns>
public byte[] Sign(EthereumAddress exchangeAddress, string privateKey)
{
EthereumSignature signature = EIP712Service.Sign(EIP712Order,
GetEIP712Domain(exchangeAddress), privateKey);
return(ByteUtil.Merge(signature.V, signature.R, signature.S, Constants.EIP712SignatureType));
}
public void VerifySignature()
{
TestType testType = new TestType
{
StringType = "test",
AddressType = ZeroAddress,
IntegerType = 0,
BoolType = true,
BytesType = new byte[1],
Bytes16Type = new byte[16],
NestedType = new NestedType
{
StringType = "test"
}
};
EIP712Domain domain = new EIP712Domain()
{
Name = "Test domain name",
Version = "1",
ChainId = 3,
Salt = new byte[32],
VerifyingContract = ZeroAddress
};
EthereumSignature sig = EIP712Service.Sign(testType, domain, PrivateKey);
bool sigValid = EIP712Service.VerifySignature(testType, domain,
Address, sig.Packed);
Assert.IsTrue(sigValid);
}