TEE Integration

import { privateKeyToAccount } from "viem/accounts";

// Field order is strict — DO NOT change
const CANONICAL_FIELDS = ["action", "job_id", "nonce", "order_type", "price", "quantity", "symbol"];

function canonicalizeIntent(intent: object): string {
  const obj: Record<string, unknown> = {};
  for (const key of CANONICAL_FIELDS) {
    const v = (intent as Record<string, unknown>)[key];
    obj[key] = v === undefined ? null : v;
  }
  return JSON.stringify(obj);
}

const provider = privateKeyToAccount(process.env.PROVIDER_KEY as `0x${string}`);

const intent = {
  job_id:     jobId,
  action:     "BUY",       // "BUY" | "SELL"
  symbol:     "BTCUSDT",
  quantity:   0.001,
  order_type: "MARKET",
  price:      null,
  nonce:      Date.now(), // ms timestamp — replay protection
};

const message   = canonicalizeIntent(intent);
const signature = await provider.signMessage({ message });
(intent as any).provider_signature = signature;

import { keccak256, toHex } from "viem";

const status = await fetchTeeStatus(jobId);

const deliverableHash = keccak256(
  toHex(`${status.enclave_signature}|${status.current_total_usdt}`)
);

const txHash = await client.writeContract({
  address: ACP_CORE,
  abi: ACP_CORE_ABI,
  functionName: "submit",
  args: [jobId as `0x${string}`, deliverableHash],
});