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() {} Future> receiveOnchain() async { final sdk = await BreezSDK(); ReceiveOnchainRequest req = const ReceiveOnchainRequest(); SwapInfo swapInfo = await sdk.receiveOnchain(req: req); print("Minimum amount allowed to deposit in sats: ${swapInfo.minAllowedDeposit}"); print("Maximum amount allowed to deposit in sats: ${swapInfo.maxAllowedDeposit}"); int fee = swapInfo.channelOpeningFees?.minMsat ?? 2000; fee = fee ~/ 1000; return [ swapInfo.bitcoinAddress, swapInfo.minAllowedDeposit.toString(), swapInfo.maxAllowedDeposit.toString(), fee.toString(), ]; } Future createInvoice({required String amount, String? description}) async { final sdk = await BreezSDK(); final req = ReceivePaymentRequest( amountMsat: (double.parse(amount) * 1000).round(), description: description ?? '', ); final res = await sdk.receivePayment(req: req); return res.lnInvoice.bolt11; } Future> invoiceLimitsSats() async { final sdk = await BreezSDK(); ReceivePaymentRequest? req = null; req = ReceivePaymentRequest( amountMsat: 10000 * 1000, // 10000 sats description: "limits", ); final res = await sdk.receivePayment(req: req); int min = (res.openingFeeMsat ?? (2500 * 1000)) ~/ 1000; int max = 1000000000 * 1000 * 10; // 10 BTC return [min.toString(), max.toString()]; } Future> invoiceSoftLimitsSats() async { final sdk = await BreezSDK(); ReceivePaymentRequest? req = null; req = ReceivePaymentRequest( amountMsat: 10000 * 1000, // 10000 sats description: "limits", ); final res = await sdk.receivePayment(req: req); int min = (res.openingFeeMsat ?? (2500 * 1000)) ~/ 1000; int max = 1000000000 * 1000 * 10; // 10 BTC int balance = 0; try { final nodeState = (await sdk.nodeInfo())!; max = nodeState.inboundLiquidityMsats ~/ 1000; balance = nodeState.channelsBalanceMsat ~/ 1000; } catch (_) {} return [min, max, balance]; } Future getBalanceSats() async { try { final sdk = await BreezSDK(); final nodeState = (await sdk.nodeInfo())!; return nodeState.channelsBalanceMsat ~/ 1000; } catch (_) { return 0; } } }