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

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

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));
  });
});