1use thiserror::Error;
2
3#[derive(Error, Debug)]
4pub enum AppError {
5 #[error("config error: {0}")]
6 Config(String),
7
8 #[error("binance API error (code {code}): {msg}")]
9 BinanceApi { code: i64, msg: String },
10
11 #[error("HTTP error: {0}")]
12 Http(#[from] reqwest::Error),
13
14 #[error("WebSocket error: {0}")]
15 WebSocket(String),
16
17 #[error("JSON parse error: {0}")]
18 Json(#[from] serde_json::Error),
19
20 #[error("order error: {0}")]
21 Order(String),
22
23 #[error("IO error: {0}")]
24 Io(#[from] std::io::Error),
25}