@oddjs/odd/src/common/hex.ts

ODD SDK

export const fromBytes = (bytes: Uint8Array): string => {
  return Array.prototype.map.call(
    bytes, 
    x => ("00" + x.toString(16)).slice(-2) // '00' is for left padding
  ).join("")
}

export const toBytes = (hex: string): Uint8Array => {
  const arr = new Uint8Array(hex.length/2)
  for(let i=0; i < arr.length; i++) {
    arr[i] = parseInt(hex.slice(i*2, i*2 + 2), 16)
  }
  return arr
}