The PaybisSDK class used to launch Paybis' UI in a Flutter app.

paybis_sdk.dart

import 'package:flutter/services.dart';
import 'package:volt/models/volt_api/create_paybis_request_model.dart';
import 'package:volt/models/volt_api/crypto_wallet_address.dart';
import 'package:volt/models/volt_api/get_paybis_quote_request_model.dart';
import 'package:volt/services.dart';

class PaybisSDK {
  static const _paybisMethodChannel = MethodChannel(
    "finance.voltage/paybis_method_channel",
  );

  Future<void> launchSdk({
    required String userID,
    required String fiatCurrencyCode,
    required String cryptoCurrencyCode,
    required String walletAddress,
    required String paymentMethod,
    required String amount,
  }) async {
    final quoteID =
        await _getQuote(fiatCurrencyCode, amount, cryptoCurrencyCode);

    final cryptoWalletAddress = CryptoWalletAddress(
      currencyCode: cryptoCurrencyCode,
      address: walletAddress,
    );

    final paybisRequest = await voltAPI.createPaybisRequest(
      CreatePaybisRequestModel(
        cryptoWalletAddress: cryptoWalletAddress,
        passwordless: false,
        trustedKyc: false,
        partnerUserId: userID,
        quoteId: quoteID,
        paymentMethod: paymentMethod,
      ),
    );

    final requestID = paybisRequest.requestId;

    _paybisMethodChannel.invokeMethod('launchSdk', [requestID]);
  }

  Future<String> _getQuote(
    String currencyCode,
    String amount,
    String currencyCodeTo,
  ) async {
    final getPaybisQuoteRequestModel = GetPaybisQuoteRequestModel(
      currencyCodeFrom: currencyCode,
      amount: amount,
      currencyCodeTo: currencyCodeTo,
    );

    return voltAPI.getPaybisQuote(getPaybisQuoteRequestModel);
  }
}