nautilus_binance/futures/websocket/trading/
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//! Binance Futures WebSocket Trading API error types.
17
18use std::fmt::Display;
19
20/// Binance Futures WebSocket Trading API error type.
21#[derive(Debug)]
22pub enum BinanceFuturesWsApiError {
23    /// General client error.
24    ClientError(String),
25    /// Handler not available (channel closed).
26    HandlerUnavailable(String),
27    /// Connection error.
28    ConnectionError(String),
29    /// Request rejected by venue.
30    RequestRejected {
31        /// Error code from venue.
32        code: i32,
33        /// Error message from venue.
34        msg: String,
35    },
36    /// JSON parsing or serialization error.
37    JsonError(String),
38    /// Request ID not found in pending requests.
39    UnknownRequestId(String),
40}
41
42impl Display for BinanceFuturesWsApiError {
43    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
44        match self {
45            Self::ClientError(msg) => write!(f, "Client error: {msg}"),
46            Self::HandlerUnavailable(msg) => write!(f, "Handler unavailable: {msg}"),
47            Self::ConnectionError(msg) => write!(f, "Connection error: {msg}"),
48            Self::RequestRejected { code, msg } => {
49                write!(f, "Request rejected [{code}]: {msg}")
50            }
51            Self::JsonError(msg) => write!(f, "JSON error: {msg}"),
52            Self::UnknownRequestId(id) => write!(f, "Unknown request ID: {id}"),
53        }
54    }
55}
56
57impl std::error::Error for BinanceFuturesWsApiError {}
58
59/// Result type for Binance Futures WebSocket Trading API operations.
60pub type BinanceFuturesWsApiResult<T> = Result<T, BinanceFuturesWsApiError>;
nautilus_binance/futures/websocket/trading/error.rs

nautilus_binance/futures/websocket/trading/
error.rs
