import { Wallet, solidityPackedKeccak256, getBytes, randomBytes, hexlify } from "ethers";

const order = {
  marketHash:
    "0x0eeace4a9bbf6235bc59695258a419ed3a05a2c8e3b6a58fb71a0d9e6b031c2b",
  maker: "0x6F75bA6c90E3da79b7ACAfc0fb9cf3968aa4ee39",
  totalBetSize: "10000000",
  percentageOdds: "52500000000000000000",
  baseToken: "0x6629Ce1Cf35Cc1329ebB4F63202F3f197b3F050B", // Mainnet — see References for testnet address
  apiExpiry: 1631233201,
  expiry: 2209006800,
  executor: "0x52adf738AAD93c31f798a30b2C74D658e1E9a562", // Mainnet — use GET /metadata → executorAddress for testnet
  isMakerBettingOutcomeOne: true,
  salt: BigInt(hexlify(randomBytes(32))).toString(),
};

const orderHash = getBytes(
  solidityPackedKeccak256(
    [
      "bytes32",
      "address",
      "uint256",
      "uint256",
      "uint256",
      "uint256",
      "address",
      "address",
      "bool",
    ],
    [
      order.marketHash,
      order.baseToken,
      order.totalBetSize,
      order.percentageOdds,
      order.expiry,
      order.salt,
      order.maker,
      order.executor,
      order.isMakerBettingOutcomeOne,
    ]
  )
);

// Example with an ethers.js wallet using a private key
const wallet = new Wallet(process.env.SX_PRIVATE_KEY);
const signature = await wallet.signMessage(orderHash);

// Example with an injected web3 provider such as MetaMask
// const provider = new BrowserProvider(window.ethereum);
// const signer = await provider.getSigner();
// const signature = await signer.signMessage(orderHash);

const signedOrder = { ...order, signature };

const result = await fetch("https://api.sx.bet/orders/new", { // Mainnet — use https://api.toronto.sx.bet for testnet
  method: "POST",
  body: JSON.stringify({ orders: [signedOrder] }),
  headers: { "Content-Type": "application/json" },
});

{
  "status": "success",
  "data": {
    "orders": [
      "0x7a9d420551c4a635849013dd908f7894766e97aee25fe656d0c5ac857e166fac"
    ],
    "statuses": {
      "0x7a9d420551c4a635849013dd908f7894766e97aee25fe656d0c5ac857e166fac": "OK"
    },
    "inserted": 1
  }
}