/// <summary>
/// Creates transaction encoder based on Plasma version
/// </summary>
/// <param name="rootChainVersion">version of plasma. Defaults to RootChainABI.DefaultVersion</param>
/// <param name="rootChainAddress">root chain address</param>
/// <returns></returns>
public static ITransactionEncoder Create(RootChainVersion rootChainVersion, string rootChainAddress)
{
if (rootChainVersion == RootChainVersion.Default)
{
rootChainVersion = RootChainABI.DefaultVersion;
}
if (rootChainVersion == RootChainVersion.Ari)
{
return(new RawTransactionEncoder());
}
else if (rootChainVersion == RootChainVersion.Samrong)
{
EIP712Domain defaultDomain = new EIP712Domain(
"OMG Network",
"1",
rootChainAddress,
"0xfad5c7f626d80f9256ef01929f3beb96e058b8b4b0e3fe52d84f054c0e2a7a83".HexToByteArray());
return(new TypedDataTransactionEncoder(defaultDomain));
}
else
{
throw new NotSupportedException();
}
}
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);
}
/// <summary>
/// Hashes given order
/// </summary>
/// <param name="exchangeAddress">Exchange contract address</param>
/// <returns>Order signature</returns>
/// <exception cref="ArgumentNullException">exchangeAddress is <c>null</c></exception>
public byte[] Hash(EthereumAddress exchangeAddress)
{
if (exchangeAddress == null)
{
throw new ArgumentNullException(nameof(exchangeAddress));
}
EIP712Domain domain = GetEIP712Domain(exchangeAddress);
return(EIP712Service.Hash(EIP712Order, domain));
}
/// <summary>
/// Constructs typed data transaction encoder with given domain
/// </summary>
/// <param name="_domain">EIP-712 domain</param>
public TypedDataTransactionEncoder(EIP712Domain _domain)
{
domain = _domain;
}
