cake_wallet/lib/view_model/lightning_view_model.dart

import 'dart:async';
import 'package:breez_sdk/breez_sdk.dart';
import 'package:breez_sdk/bridge_generated.dart';
import 'package:mobx/mobx.dart';

part 'lightning_view_model.g.dart';

class LightningViewModel = LightningViewModelBase with _$LightningViewModel;

abstract class LightningViewModelBase with Store {
  LightningViewModelBase() {}

  // @observable
  // ExecutionState state;

  @action
  Future<void> stuff() async {
    print("pressed");
    // ReceivePaymentRequest req = const ReceivePaymentRequest(
    //   amountMsat: 3000000,
    //   description: "Invoice for 3000 sats",
    // );
    // ReceivePaymentResponse receivePaymentResponse =
    //     await BreezSDK().receivePayment(req: req);

    // print(receivePaymentResponse.lnInvoice);

    final sdk = await BreezSDK();

    sdk.nodeStateStream.listen((event) {
      // print("Node state: $event");
      if (event == null) return;
      int balanceSat = event.maxPayableMsat ~/ 1000;
      print("sats: $balanceSat");
    });

    // ServiceHealthCheckResponse healthCheck = await sdk.serviceHealthCheck();
    // print("Current service status is: ${healthCheck.status}");

    // ReceivePaymentRequest req = ReceivePaymentRequest(
    //   amountMsat: 123 * 1000,
    //   description: "Invoice for 123 sats",
    // );
    // final s = await sdk.receivePayment(req: req);
    // print(s.lnInvoice.bolt11);

    // ReceiveOnchainRequest req = const ReceiveOnchainRequest();
    // SwapInfo swapInfo = await sdk.receiveOnchain(req: req);
    // // Send your funds to the below bitcoin address
    // String address = swapInfo.bitcoinAddress;
    // print(address);
    // print("Minimum amount allowed to deposit in sats: ${swapInfo.minAllowedDeposit}");
    // print("Maximum amount allowed to deposit in sats: ${swapInfo.maxAllowedDeposit}");

    ListPaymentsRequest lReq = ListPaymentsRequest();

    var list = await sdk.listPayments(req: lReq);
    print(list[0].amountMsat);

    var data = await sdk.fetchNodeData();
    print(data);
  }

  Future<List<String>> receiveOnchain() async {
    final sdk = await BreezSDK();

    ReceiveOnchainRequest req = const ReceiveOnchainRequest();
    SwapInfo swapInfo = await sdk.receiveOnchain(req: req);
    print(swapInfo.bitcoinAddress);
    print("Minimum amount allowed to deposit in sats: ${swapInfo.minAllowedDeposit}");
    print("Maximum amount allowed to deposit in sats: ${swapInfo.maxAllowedDeposit}");
    return [
      swapInfo.bitcoinAddress,
      swapInfo.minAllowedDeposit.toString(),
      swapInfo.maxAllowedDeposit.toString()
    ];
  }

  Future<String> createInvoice({required String amount, String? description}) async {
    final sdk = await BreezSDK();
    final req = ReceivePaymentRequest(
      amountMsat: (double.parse(amount) * 100000000).round(),
      description: description ?? '',
    );
    final res = await sdk.receivePayment(req: req);
    return res.lnInvoice.bolt11;
  }

  Future<List<String>> invoiceLimits() async {
    final sdk = await BreezSDK();
    final req = ReceivePaymentRequest(
      amountMsat: 1000,
      description: 'limits',
    );
    final res = await sdk.receivePayment(req: req);
    // sdk.
    // TODO: CW-563 figure out how to get the limits
    return [(res.openingFeeMsat).toString(), '20000'];
  }
}