solana-program-library/token/js/test/e2e/amount.test.ts

42 lines
1.5 KiB
TypeScript

import chai, { expect } from 'chai';
import chaiAsPromised from 'chai-as-promised';
import type { Connection, PublicKey, Signer } from '@solana/web3.js';
import { Keypair } from '@solana/web3.js';
import { createMint, amountToUiAmount, uiAmountToAmount } from '../../src';
import { TEST_PROGRAM_ID, newAccountWithLamports, getConnection } from '../common';
chai.use(chaiAsPromised);
const TEST_TOKEN_DECIMALS = 2;
describe('Amount', () => {
let connection: Connection;
let payer: Signer;
let mint: PublicKey;
let mintAuthority: Keypair;
before(async () => {
connection = await getConnection();
payer = await newAccountWithLamports(connection, 1000000000);
mintAuthority = Keypair.generate();
const mintKeypair = Keypair.generate();
mint = await createMint(
connection,
payer,
mintAuthority.publicKey,
mintAuthority.publicKey,
TEST_TOKEN_DECIMALS,
mintKeypair,
undefined,
TEST_PROGRAM_ID
);
});
it('amountToUiAmount', async () => {
const amount = BigInt(5245);
const uiAmount = await amountToUiAmount(connection, payer, mint, amount, TEST_PROGRAM_ID);
expect(uiAmount).to.eql('52.45');
});
it('uiAmountToAmount', async () => {
const uiAmount = await uiAmountToAmount(connection, payer, mint, '52.45', TEST_PROGRAM_ID);
expect(uiAmount).to.eql(BigInt(5245));
});
});