xrpl-dev-portal/_code-samples/checks/js/cancel-check.js

'use strict'
const xrpl = require('xrpl')

// Define parameters. Edit this snippet with your values before running it.
const secret = "s████████████████████████████" // Replace with your secret
const check_id = "" // Replace with your Check ID

async function main() {
  try {
      
    // Connect ----------------------------------------------------------------
    const client = new xrpl.Client('wss://s.altnet.rippletest.net:51233');
    await client.connect();

    // Instantiate wallet from secret. ----------------------------------------
    const wallet = await xrpl.Wallet.fromSeed(secret)
    console.log("Wallet address: ", wallet.address)

    // Check if the check ID is provided --------------------------------------
    if (check_id.length === 0) {
      console.log("Please edit this snippet to provide a check ID. You can get a check ID by running create-check.js.");
      return;
    }
    
    // Prepare the transaction ------------------------------------------------
    const checkcancel = {
        "TransactionType": "CheckCancel",
        "Account": wallet.address,
        "CheckID": check_id
    };

    // Submit the transaction -------------------------------------------------
    const tx = await client.submitAndWait(
      checkcancel, 
      { autofill: true, 
          wallet: wallet }
    )
    
    // Confirm results --------------------------------------------------------
    console.log(`Transaction result: ${JSON.stringify(tx, null, 2)}`)

    if (tx.result.meta.TransactionResult === "tesSUCCESS") {
      // submitAndWait() only returns when the transaction's outcome is final,
      // so you don't also have to check for validated: true.
      console.log("Transaction was successful.")
    }

    // Disconnect -------------------------------------------------------------
    await client.disconnect()

  } catch (error) {
      console.error(`Error: ${error}`)
  }
}

main()