send method

@override Future<RpcResponse> send(String method, List params)

Send arbitrary message to RPC node

Implementation

@override
Future<RpcResponse> send(String method, List<dynamic> params) async {
  final response = await http.post(
    url,
    body: jsonEncode({
      'id': (++_sequence).toString(),
      'jsonrpc': '2.0',
      'method': method,
      'params': params,
    }),
    headers: {'Content-Type': 'application/json'},
  );
  final data = jsonDecode(response.body);

  return RpcResponse(
    id: int.tryParse(data['id'].toString()) ?? -1,
    result: data['result'],
    error: data['error'],
  );
}