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

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

    // Loop through account objects until marker is undefined -----------------
    let current_marker = null
    let checks_found = []
    do {
      const request = {
        "command": "account_objects",
        "account": "rGPnRH1EBpHeTF2QG8DCAgM7z5pb75LAis",
        "ledger_index": "validated",
        "type": "check"
      }

      if (current_marker) {
        request.marker = current_marker
      }

      const response = await client.request(request)
      
      checks_found = checks_found.concat(response.result.account_objects)
      current_marker = response.result.marker

    } while (current_marker)

    // Filter results by recipient --------------------------------------------
    // To filter by sender, check Account field instead of Destination
    const checks_by_recipient = []
    for (const check of checks_found) {
      if (check.Destination == "rGPnRH1EBpHeTF2QG8DCAgM7z5pb75LAis") {
        checks_by_recipient.push(check)
      }
    }
    
    // Print results ----------------------------------------------------------
    if (checks_by_recipient.length === 0) {
      console.log("No checks found.")
    } else {
      console.log("Checks: \n", JSON.stringify(checks_by_recipient, null, 2))
    }

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

  } catch (error) {
    console.log(error)
    process.exit(1)
  }
}

main()