solana-program-examples/tokens/token-2022/permanent-delegate/anchor/tests/permanent-delegate.ts

import * as anchor from "@coral-xyz/anchor";
import { Program } from "@coral-xyz/anchor";
import { PermanentDelegate } from "../target/types/permanent_delegate";
import {
  TOKEN_2022_PROGRAM_ID,
  burnChecked,
  createAccount,
  getAccount,
  mintTo,
} from "@solana/spl-token";

describe("permanent-delegate", () => {
  const provider = anchor.AnchorProvider.env();
  const connection = provider.connection;
  const wallet = provider.wallet as anchor.Wallet;
  anchor.setProvider(provider);

  const program = anchor.workspace
    .PermanentDelegate as Program<PermanentDelegate>;

  const mintKeypair = new anchor.web3.Keypair();

  it("Create Mint with Permanent Delegate", async () => {
    const transactionSignature = await program.methods
      .initialize()
      .accounts({ mintAccount: mintKeypair.publicKey })
      .signers([mintKeypair])
      .rpc({ skipPreflight: true });
    console.log("Your transaction signature", transactionSignature);
  });

  it("Create Token Account, Mint Tokens, and burn with Permanent Delegate", async () => {
    const amount = 100;

    // Random keypair to use as owner of Token Account
    const randomKeypair = new anchor.web3.Keypair();

    // Create Token Account owned by random keypair
    const sourceTokenAccount = await createAccount(
      connection,
      wallet.payer, // Payer to create Token Account
      mintKeypair.publicKey, // Mint Account address
      randomKeypair.publicKey, // Token Account owner
      undefined, // Optional keypair, default to Associated Token Account
      undefined, // Confirmation options
      TOKEN_2022_PROGRAM_ID // Token Extension Program ID
    );

    // Mint tokens to sourceTokenAccount
    await mintTo(
      connection,
      wallet.payer, // Transaction fee payer
      mintKeypair.publicKey, // Mint Account address
      sourceTokenAccount, // Mint to
      wallet.publicKey, // Mint Authority address
      amount, // Amount
      undefined, // Additional signers
      undefined, // Confirmation options
      TOKEN_2022_PROGRAM_ID // Token Extension Program ID
    );

    // Burn tokens from sourceTokenAccount, using Permanent Delegate
    // The permanent delegate can burn / transfer tokens from all token account for the mint account
    const transactionSignature = await burnChecked(
      connection,
      wallet.payer, // Transaction fee payer
      sourceTokenAccount, // Tranfer from
      mintKeypair.publicKey, // Mint Account address
      wallet.publicKey, // Use Permanent Delegate as owner
      amount, // Amount
      2, // Mint Account decimals
      undefined, // Additional signers
      undefined, // Confirmation options
      TOKEN_2022_PROGRAM_ID // Token Extension Program ID
    );
    console.log("Your transaction signature", transactionSignature);

    const tokenAccount = await getAccount(
      connection,
      sourceTokenAccount,
      null,
      TOKEN_2022_PROGRAM_ID
    );
    console.log("Token Account Balance:", Number(tokenAccount.amount));
  });
});