pos_payment_terminal 1.0.1

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POS Terminal Communication Module #

This module facilitates communication with POS terminals using the TTK protocol. It provides essential functionalities for handling payments, refunds, and services.

Features #

• Connectivity: Establish connection with the POS terminal.
• Disconnection: Terminate connection with the POS terminal.
• Payment Creation: Initiate payment transactions.
• Refund Creation: Process refunds for completed transactions.
• Service Creation: Execute various service operations on the POS terminal.

Installation #

To utilize this module in your project, follow these steps:

1. Add the module to your project dependencies.
2. Import the POSPaymentModule class.
3. Initialize the module with the IP address and port of the POS terminal.

import 'pos_payment_module.dart';

final posModule = POSPaymentModule(ip: 'terminal_ip_address', port: 1234);

Usage #

Connecting to the POS Terminal

await posModule.connect();

Creating a Payment

final paymentResponse = await posModule.createPayment(
  amount: 100.0,
  clientId: 'client_id',
  idempotenceKeyERN: 'idempotence_key_ern',
);

Creating a Refund

final refundResponse = await posModule.createRefund(
  amount: 50.0,
  retrievalReferenceNumber: 'reference_number',
  clientId: 'client_id',
  idempotenceKeyERN: 'idempotence_key_ern',
);

Creating a Service Operation

final serviceResponse = await posModule.createService(
  clientId: 'client_id',
  operationServiceType: OperationServiceType.SOME_TYPE,
  idempotenceKeyERN: 'idempotence_key_ern',
);

Contribution #

Contributions to this project are welcome. Feel free to submit bug reports, feature requests, or pull requests.

License #

This project is licensed under the MIT License.