@nori-zk/mina-token-bridge/target/src/machines/depositStorage.spec.js

A Mina zk-program contract allowing users to mint tokens on Nori Bridge.

import { LocalStorageSim } from './localStorageSim.js';
import { createActor } from 'xstate';
import { firstValueFrom, map, take } from 'rxjs';
describe('depositMachine', () => {
    let machine;
    beforeEach(async () => {
        // fresh window + localStorage polyfill before each test
        global.window = {
            localStorage: new LocalStorageSim(),
        };
        // import machine after polyfill is ready
        ({ depositMachine: machine } = await import('./depositStorage.js'));
    });
    // Just a test facility to get some block number ahead of finality given the ethStateTopic$
    async function getNextDepositTarget(ethStateTopic$) {
        const nextFinalizationTarget$ = ethStateTopic$.pipe(take(1));
        // This is just to get a recent block number dynamically from the bridge.
        const targetDepositNumber = await firstValueFrom(nextFinalizationTarget$.pipe(take(1), map(({ latest_finality_block_number }) => latest_finality_block_number + 10)));
        return targetDepositNumber;
    }
    test('goes to NoActiveDepositNumber when no storage keys exist', () => {
        const service = createActor(machine).start();
        expect(service.getSnapshot().value).toBe('noActiveDepositNumber');
    });
    test('goes to hasActiveDepositNumber when only activeDepositNumber exists', () => {
        window.localStorage.setItem('activeDepositNumber', '123');
        const service = createActor(machine).start();
        expect(service.getSnapshot().value).toBe('hasActiveDepositNumber');
    });
    test('goes to hasDepositMintTx when activeDepositNumber and depositMintTx exist', () => {
        window.localStorage.setItem('activeDepositNumber', '123');
        window.localStorage.setItem('depositMintTx', 'mint-tx-hash');
        const service = createActor(machine).start();
        expect(service.getSnapshot().value).toBe('hasDepositMintTx');
    });
    test('goes to hasComputedEthProof when activeDepositNumber and computedEthProof exist but no depositMintTx', () => {
        window.localStorage.setItem('activeDepositNumber', '123');
        window.localStorage.setItem('computedEthProof', 'proof-data');
        const service = createActor(machine).start();
        expect(service.getSnapshot().value).toBe('hasComputedEthProof');
    });
    test('goes to hasComputedEthProof when all three keys exist', () => {
        window.localStorage.setItem('activeDepositNumber', '123');
        window.localStorage.setItem('depositMintTx', 'mint-tx-hash');
        window.localStorage.setItem('computedEthProof', 'proof-data');
        const service = createActor(machine).start();
        expect(service.getSnapshot().value).toBe('hasComputedEthProof');
    });
});
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