import { Wallet, hexlify, randomBytes } from "ethers";

const wallet = new Wallet(process.env.SX_PRIVATE_KEY);

const orderHashes = [
  "0x550128e997978495eeae503c13e2e30243d747e969c65e1a0b565c609e097506",
];
const salt = hexlify(randomBytes(32));
const timestamp = Math.floor(Date.now() / 1000);
const chainId = 4162; // Mainnet — use 79479957 for testnet

const domain = {
  name: "CancelOrderV2SportX",
  version: "1.0",
  chainId,
  salt,
};

const types = {
  Details: [
    { name: "orderHashes", type: "string[]" },
    { name: "timestamp", type: "uint256" },
  ],
};

const signature = await wallet.signTypedData(domain, types, { orderHashes, timestamp });

const result = await fetch("https://api.sx.bet/orders/cancel/v2", { // Mainnet — use https://api.toronto.sx.bet for testnet
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    orderHashes,
    signature,
    salt,
    maker: wallet.address,
    timestamp,
  }),
});
console.log(await result.json());

{
  "status": "success",
  "data": {
    "cancelledCount": 1,
    "orders": [
      {
        "orderHash": "0xc4fad4181eac3d72a7d4166df05534edd5479ec7053076244986ec68336ef45",
        "pendingFills": [
          {
            "fillHash": "0xf691c9dfb100d12550c3cb4dad944f15d711eaf22108c6dacc5077a274b3582l",
            "pendingFillAmount": "1806995918"
          }
        ]
      }
    ]
  }
}