solana-program-library/token/js/test/e2e-2022/closeMint.test.ts

91 lines
3.3 KiB
TypeScript

import chai, { expect } from 'chai';
import chaiAsPromised from 'chai-as-promised';
chai.use(chaiAsPromised);
import {
sendAndConfirmTransaction,
Connection,
Keypair,
PublicKey,
Signer,
SystemProgram,
Transaction,
} from '@solana/web3.js';
import {
createAccount,
createInitializeMintInstruction,
createInitializeMintCloseAuthorityInstruction,
closeAccount,
mintTo,
getMintLen,
ExtensionType,
} from '../../src';
import { TEST_PROGRAM_ID, newAccountWithLamports, getConnection } from '../common';
const TEST_TOKEN_DECIMALS = 2;
const EXTENSIONS = [ExtensionType.MintCloseAuthority];
describe('closeMint', () => {
let connection: Connection;
let payer: Signer;
let mint: PublicKey;
let mintAuthority: Keypair;
let closeAuthority: Keypair;
let account: PublicKey;
let destination: PublicKey;
before(async () => {
connection = await getConnection();
payer = await newAccountWithLamports(connection, 1000000000);
mintAuthority = Keypair.generate();
closeAuthority = Keypair.generate();
});
beforeEach(async () => {
const mintKeypair = Keypair.generate();
mint = mintKeypair.publicKey;
const mintLen = getMintLen(EXTENSIONS);
const lamports = await connection.getMinimumBalanceForRentExemption(mintLen);
const transaction = new Transaction().add(
SystemProgram.createAccount({
fromPubkey: payer.publicKey,
newAccountPubkey: mint,
space: mintLen,
lamports,
programId: TEST_PROGRAM_ID,
}),
createInitializeMintCloseAuthorityInstruction(mint, closeAuthority.publicKey, TEST_PROGRAM_ID),
createInitializeMintInstruction(mint, TEST_TOKEN_DECIMALS, mintAuthority.publicKey, null, TEST_PROGRAM_ID)
);
await sendAndConfirmTransaction(connection, transaction, [payer, mintKeypair], undefined);
});
it('failsWithNonZeroAmount', async () => {
const owner = Keypair.generate();
destination = Keypair.generate().publicKey;
account = await createAccount(connection, payer, mint, owner.publicKey, undefined, undefined, TEST_PROGRAM_ID);
const amount = BigInt(1000);
await mintTo(connection, payer, mint, account, mintAuthority, amount, [], undefined, TEST_PROGRAM_ID);
expect(closeAccount(connection, payer, mint, destination, closeAuthority, [], undefined, TEST_PROGRAM_ID)).to.be
.rejected;
});
it('works', async () => {
destination = Keypair.generate().publicKey;
const accountInfo = await connection.getAccountInfo(mint);
let rentExemptAmount;
expect(accountInfo).to.not.be.null;
if (accountInfo !== null) {
rentExemptAmount = accountInfo.lamports;
}
await closeAccount(connection, payer, mint, destination, closeAuthority, [], undefined, TEST_PROGRAM_ID);
const closedInfo = await connection.getAccountInfo(mint);
expect(closedInfo).to.be.null;
const destinationInfo = await connection.getAccountInfo(destination);
expect(destinationInfo).to.not.be.null;
if (destinationInfo !== null) {
expect(destinationInfo.lamports).to.eql(rentExemptAmount);
}
});
});