npm install @aice-lab/payment-rn

import { HttpPaymentClient } from '@aice-lab/payment-rn';

const client = new HttpPaymentClient({
  baseUrl: 'https://pay.example.com',
  apiKey: 'your-api-key',
});

// Create a checkout
const { transactionId, redirectUrl } = await client.createCheckout({
  orderRef: 'ORD-001',
  gateway: 'bkash',
  amountMinor: 50000, // 500 BDT in poisha
  currency: 'BDT',
  returnUrls: { success: 'myapp://payment/success', cancel: 'myapp://payment/cancel' },
});

// Poll a transaction
const tx = await client.getTransaction(transactionId);
if (tx.isSucceeded()) { /* ... */ }

// Refund
const refunded = await client.refund(transactionId);

import { MockPaymentClient } from '@aice-lab/payment-rn';

const mock = new MockPaymentClient();
mock.onCreateCheckout = async (req) => ({ transactionId: 'tx-test', redirectUrl: 'https://mock' });