getLensAccessToken method

Future<Map<String, String>> getLensAccessToken(String signature, String address)

Implementation

Future<Map<String, String>> getLensAccessToken(
    String signature, String address) async {
  try {
    final Map<String, String> headers = {'Content-Type': 'application/json'};
    final Map<String, dynamic> requestBody = {
      'query': '''
      mutation (\$request: SignedAuthChallenge!) {
        authenticate(request: \$request) {
          accessToken
          refreshToken
        }
      }
    ''',
      'variables': {
        'request': {'address': address, 'signature': signature},
      },
    };

    final response = await http.post(
      Uri.parse('https://api.lens.dev/'),
      headers: headers,
      body: jsonEncode(requestBody),
    );
    if (response.statusCode == 200) {
      final Map<String, dynamic> responseData = jsonDecode(response.body);
      final String accessToken =
          responseData['data']['authenticate']['accessToken'] as String;
      return {'accessToken': accessToken};
    } else {
      throw Exception('error getting lens access token');
    }
  } catch (error) {
    throw Exception('error getting lens access token $error');
  }
}