Fetch USD price XRPL - DEVNET THREE ORACLE

fetch.js

const { XrplClient } = require('xrpl-client')
const xrpl = new XrplClient()

// change this code to a different currency code one of others published, EUR/ZAR/MXN/JPY/BTC/USDT......
let code = 'USD'

if (code.length > 3) { 
  const characters = Buffer.from(code, 'utf8').toString('hex')
  let s = '0'
  for (let index = 1; index < 40 - characters.length; index++) {
    s = s + '0'
  }

  code = (characters + s).toUpperCase()
}


const command = {
  'command': 'get_aggregate_price',
  'ledger_index': 'current',
  'base_asset': 'XRP',
  'quote_asset': code,
  'trim': 20,
  'oracles': [
    {
      'account': 'roosteri9aGNFRXZrJNYQKVBfxHiE5abg',
      'oracle_document_id': 0
    },
    {
      'account': 'roosteri9aGNFRXZrJNYQKVBfxHiE5abg',
      'oracle_document_id': 1
    },
    {
      'account': 'roosteri9aGNFRXZrJNYQKVBfxHiE5abg',
      'oracle_document_id': 2
    },
    {
      'account': 'roosteri9aGNFRXZrJNYQKVBfxHiE5abg',
      'oracle_document_id': 3
    },
    {
      'account': 'roosteri9aGNFRXZrJNYQKVBfxHiE5abg',
      'oracle_document_id': 4
    },
    {
      'account': 'roosteri9aGNFRXZrJNYQKVBfxHiE5abg',
      'oracle_document_id': 5
    }
  ]
}

const response = await xrpl.send(command)
if ('error' in response) { return }
console.log(response)