cancelByTimeout

async cancelByTimeout(walletClient: WalletClient, escrowId: bigint): Promise<string>

Anyone can call this function once:

• Both buyer and seller have called requestCancel() (or requestCancelSigned)
• The 24-hour timeout has passed

This immediately:

• Sets escrow state to CANCELED
• Returns full funds to the buyer (no fees!)
• Ends the deal cleanly

Parameters

• walletClient: WalletClient – Any wallet (you, a relayer, or even a bot)
• escrowId: bigint

Returns

Promise<string> – Transaction hash

import { createPalindromeSDK } from '@/lib/createSDK';

const { sdk, walletClient } = await connectAndInitSDK(); // any wallet works

try {
  const txHash = await sdk.cancelByTimeout(walletClient, 42n);

  console.log("Escrow successfully canceled by timeout!");
  console.log("Full refund sent to buyer");
  console.log("Transaction:", txHash);

  // State → CANCELED
  // Buyer can now call withdraw() to claim funds

} catch (error: any) {
  if (error.message.includes("Both parties have not requested cancel")) {
    alert("Both parties must request cancel first");
  } else if (error.message.includes("Timeout period not elapsed")) {
    alert("24-hour timeout not passed yet");
  } else {
    console.error("Cancel by timeout failed:", error.shortMessage || error.message);
  }
}

Full Mutual Cancellation Flow