How to Restore a Keypair or Signer

import { createKeyPairSignerFromBytes } from "@solana/kit";

const keypairBytes = new Uint8Array([
  174, 47, 154, 16, 202, 193, 206, 113, 199, 190, 53, 133, 169, 175, 31, 56,
  222, 53, 138, 189, 224, 216, 117, 173, 10, 149, 53, 45, 73, 251, 237, 246, 15,
  185, 186, 82, 177, 240, 148, 69, 241, 227, 167, 80, 141, 89, 240, 121, 121,
  35, 172, 247, 68, 251, 226, 218, 48, 63, 176, 109, 168, 89, 238, 135
]);

const signer = await createKeyPairSignerFromBytes(keypairBytes);
console.log(signer.address);

import {
  createKeyPairFromBytes,
  createSignerFromKeyPair,
  getBase58Encoder
} from "@solana/kit";

const keypairBase58 =
  "5MaiiCavjCmn9Hs1o3eznqDEhRwxo7pXiAYez7keQUviUkauRiTMD8DrESdrNjN8zd9mTmVhRvBJeg5vhyvgrAhG";

const keypair = await createKeyPairFromBytes(
  getBase58Encoder().encode(keypairBase58)
);
const signer = await createSignerFromKeyPair(keypair);

console.log(signer.address);