cake_wallet/lib/entities/pow_node_list.dart

import 'package:flutter/services.dart';
import 'package:hive/hive.dart';
import "package:yaml/yaml.dart";
import 'package:cw_core/node.dart';
import 'package:cw_core/wallet_type.dart';

Future<List<Node>> loadDefaultNanoPowNodes() async {
  final nodesRaw = await rootBundle.loadString('assets/nano_pow_server_list.yml');
  final loadedNodes = loadYaml(nodesRaw) as YamlList;
  final nodes = <Node>[];

  for (final raw in loadedNodes) {
    if (raw is Map) {
      final node = Node.fromMap(Map<String, Object>.from(raw));
      node.type = WalletType.nano;
      nodes.add(node);
    }
  }

  return nodes;
}

Future<List<Node>> loadDefaultBananoPowNodes() async {
  final nodesRaw = await rootBundle.loadString('assets/nano_pow_server_list.yml');
  final loadedNodes = loadYaml(nodesRaw) as YamlList;
  final nodes = <Node>[];

  for (final raw in loadedNodes) {
    if (raw is Map) {
      final node = Node.fromMap(Map<String, Object>.from(raw));
      node.type = WalletType.banano;
      nodes.add(node);
    }
  }

  return nodes;
}

Future resetToDefault(Box<Node> nodeSource) async {
  final nanoNodes = await loadDefaultNanoPowNodes();
  final bananoNodes = await loadDefaultNanoPowNodes();
  final nodes = nanoNodes + bananoNodes;

  await nodeSource.clear();
  await nodeSource.addAll(nodes);
}