nautilus_kraken/http/error.rs
1// -------------------------------------------------------------------------------------------------
2// Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
3// https://nautechsystems.io
4//
5// Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6// You may not use this file except in compliance with the License.
7// You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16//! Error types for Kraken HTTP client operations.
17
18use thiserror::Error;
19
20#[derive(Debug, Clone, Error)]
21pub enum KrakenHttpError {
22 #[error("Network error: {0}")]
23 NetworkError(String),
24
25 #[error("API error: {}", format_api_errors(.0))]
26 ApiError(Vec<String>),
27
28 #[error("Parse error: {0}")]
29 ParseError(String),
30
31 #[error("Authentication error: {0}")]
32 AuthenticationError(String),
33
34 #[error("Missing credentials")]
35 MissingCredentials,
36}
37
38/// Formats API error messages, handling empty error arrays.
39fn format_api_errors(errors: &[String]) -> String {
40 if errors.is_empty() {
41 "unknown error (empty error list)".to_string()
42 } else {
43 errors.join(", ")
44 }
45}
46
47impl From<anyhow::Error> for KrakenHttpError {
48 fn from(err: anyhow::Error) -> Self {
49 Self::NetworkError(err.to_string())
50 }
51}