// File: hash_test.csx
#r "nuget: Nethereum.Signer, 4.22.0"
#r "nuget: Nethereum.ABI, 4.22.0"
#r "nuget: Nethereum.Hex, 4.22.0"

using System;
using System.Numerics;
using Nethereum.Signer.EIP712;
using Nethereum.Signer;
using Nethereum.ABI.FunctionEncoding.Attributes;

[Struct("EIP712Domain")]
public class CtfDomain
{
    [Parameter("string", "name", 1)]
    public string Name { get; set; }

    [Parameter("string", "version", 2)]
    public string Version { get; set; }

    [Parameter("uint256", "chainId", 3)]
    public ulong ChainId { get; set; }

    [Parameter("address", "verifyingContract", 4)]
    public string VerifyingContract { get; set; }
}

[Struct("Order")]
public class CtfOrder
{
    [Parameter("uint256", "salt", 1)]
    public BigInteger Salt { get; set; }

    [Parameter("address", "maker", 2)]
    public string Maker { get; set; }

    [Parameter("address", "signer", 3)]
    public string Signer { get; set; }

    [Parameter("address", "taker", 4)]
    public string Taker { get; set; }

    [Parameter("uint256", "tokenId", 5)]
    public BigInteger TokenId { get; set; }

    [Parameter("uint256", "makerAmount", 6)]
    public BigInteger MakerAmount { get; set; }

    [Parameter("uint256", "takerAmount", 7)]
    public BigInteger TakerAmount { get; set; }

    [Parameter("uint256", "expiration", 8)]
    public BigInteger Expiration { get; set; }

    [Parameter("uint256", "nonce", 9)]
    public BigInteger Nonce { get; set; }

    [Parameter("uint256", "feeRateBps", 10)]
    public BigInteger FeeRateBps { get; set; }

    [Parameter("uint8", "side", 11)]
    public byte Side { get; set; }

    [Parameter("uint8", "signatureType", 12)]
    public byte SignatureType { get; set; }
}

var typedData = new TypedData<CtfDomain>
{
    Domain = new CtfDomain
    {
        Name = "Polymarket CTF Exchange",
        Version = "1",
        ChainId = 137,
        VerifyingContract = "0x4bFb41d5B3570DeFd03C39a9A4D8dE6Bd8B8982E"
    },
    Types = Nethereum.ABI.EIP712.MemberDescriptionFactory.GetTypesMemberDescription(typeof(CtfDomain), typeof(CtfOrder)),
    PrimaryType = "Order"
};

var ctfOrder = new CtfOrder
{
    Salt = 17747015785747,
    Maker = "0x628914cf1e96a9d1ab8f0489a9f64be5633bac41",
    Signer = "0x883fe952a23bb68aab8832343d4bedde759b40ea",
    Taker = "0x0000000000000000000000000000000000000000",
    TokenId = BigInteger.Parse("54119275359569982132308633107899675342776540894581625713762792947175003762644"),
    MakerAmount = 999180,
    TakerAmount = 3660000,
    Expiration = 0,
    Nonce = 0,
    FeeRateBps = 0,
    Side = 0,
    SignatureType = 0
};

string privKey = new string('1', 64);
var eip712TypedDataSigner = new Eip712TypedDataSigner();
var key = new EthECKey(privKey);

var hash = eip712TypedDataSigner.HashTypedDataV4(ctfOrder, typedData);
var sig = eip712TypedDataSigner.SignTypedDataV4(ctfOrder, typedData, key);

Console.WriteLine("CS_STRUCT_HASH|" + Nethereum.Hex.HexConvertors.Extensions.HexByteConvertorExtensions.ToHex(hash, true));
Console.WriteLine("CS_SIG|" + sig);