import { hexFixLength } from "https://deno.land/x/polkadot@0.2.17/util/mod.ts";
Examples
import { hexFixLength } from 'https://deno.land/x/polkadot@0.2.17/util/mod.ts';
console.log('fixed', hexFixLength('0x12', 16)); // => 0x12
console.log('fixed', hexFixLength('0x12', 16, true)); // => 0x0012
console.log('fixed', hexFixLength('0x0012', 8)); // => 0x12