nautilus_coinapi/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//! CoinAPI protocol and request failures.
17
18use nautilus_network::{http::HttpClientError, retry::RetryError};
19
20/// A failure at the CoinAPI HTTP or file boundary.
21#[derive(Debug, thiserror::Error)]
22pub enum Error {
23    #[error(transparent)]
24    Transport(#[from] HttpClientError),
25    #[error("CoinAPI HTTP status {status}")]
26    Http {
27        status: u16,
28        retry_after_secs: Option<u64>,
29    },
30    #[error("CoinAPI HTTP status {status}: {message}")]
31    Venue {
32        status: u16,
33        message: String,
34        retry_after_secs: Option<u64>,
35    },
36    #[error("CoinAPI response parsing failed: {0}")]
37    Parse(#[from] serde_json::Error),
38    #[error("CoinAPI file I/O failed: {0}")]
39    Io(#[from] std::io::Error),
40    #[error("Invalid CoinAPI request: {0}")]
41    Validation(String),
42    #[error("Unexpected CoinAPI response: {0}")]
43    Response(String),
44    #[error("CoinAPI credit budget exhausted")]
45    CreditBudget,
46    #[error("CoinAPI retry control: {0}")]
47    Retry(RetryError),
48}
49
50impl Error {
51    /// Returns whether a read request may retry this failure.
52    #[must_use]
53    pub fn is_retryable(&self) -> bool {
54        match self {
55            Self::Transport(
56                HttpClientError::TransportError(_) | HttpClientError::TimeoutError(_),
57            )
58            | Self::Retry(RetryError::OperationTimeout { .. }) => true,
59            Self::Http { status, .. } | Self::Venue { status, .. } => {
60                *status == 429 || matches!(status, 500 | 502 | 503 | 504)
61            }
62            _ => false,
63        }
64    }
65
66    pub(super) fn retry_delay(&self) -> Option<std::time::Duration> {
67        match self {
68            Self::Http {
69                retry_after_secs, ..
70            }
71            | Self::Venue {
72                retry_after_secs, ..
73            } => retry_after_secs.map(std::time::Duration::from_secs),
74            _ => None,
75        }
76    }
77}
nautilus_coinapi/http/error.rs

nautilus_coinapi/http/
error.rs
