zkapp-cli/build/examples/tictactoe/ts/src/tictactoe.test.js

CLI to create zkApps (zero-knowledge apps) for Mina Protocol

import { TicTacToe } from './tictactoe.js';
import { Field, Bool, PrivateKey, Mina, AccountUpdate, Signature, } from 'o1js';
import { describe, it, beforeEach } from 'node:test';
import assert from 'node:assert';
describe('tictactoe', () => {
    let player1, player1Key, player2, zkAppAddress, zkAppPrivateKey;
    beforeEach(async () => {
        const Local = await Mina.LocalBlockchain({ proofsEnabled: false });
        Mina.setActiveInstance(Local);
        [player1, player2] = Local.testAccounts;
        player1Key = player1.key;
        zkAppPrivateKey = PrivateKey.random();
        zkAppAddress = zkAppPrivateKey.toPublicKey();
    });
    it('generates and deploys tictactoe', async () => {
        const zkApp = new TicTacToe(zkAppAddress);
        const txn = await Mina.transaction(player1, async () => {
            AccountUpdate.fundNewAccount(player1);
            await zkApp.deploy();
            await zkApp.startGame(player1, player2);
        });
        await txn.prove();
        await txn.sign([zkAppPrivateKey, player1Key]).send();
        const board = zkApp.board.get();
        assert.deepStrictEqual(board, Field(0));
    });
    it('deploys tictactoe & accepts a correct move', async () => {
        const zkApp = new TicTacToe(zkAppAddress);
        // deploy
        let txn = await Mina.transaction(player1, async () => {
            AccountUpdate.fundNewAccount(player1);
            await zkApp.deploy();
            await zkApp.startGame(player1, player2);
        });
        await txn.prove();
        await txn.sign([zkAppPrivateKey, player1Key]).send();
        // move
        const [x, y] = [Field(0), Field(0)];
        const signature = Signature.create(player1Key, [x, y]);
        txn = await Mina.transaction(player1, async () => {
            zkApp.play(player1, signature, x, y);
        });
        await txn.prove();
        await txn.sign([player1Key]).send();
        // check next player
        const isNextPlayer2 = zkApp.nextIsPlayer2.get();
        assert.deepStrictEqual(isNextPlayer2, Bool(true));
    });
});
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