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48121604cd
* change const value visable * Add docs * Update docs * Update docs 2 * Fix ci * Fix spell check
47 lines
2.1 KiB
Rust
47 lines
2.1 KiB
Rust
// Copyright 2019-2021 Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Bridges Common is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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use std::net::AddrParseError;
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use thiserror::Error;
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/// Result type used by relay utilities.
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pub type Result<T> = std::result::Result<T, Error>;
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/// Relay utilities errors.
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#[derive(Error, Debug)]
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pub enum Error {
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/// Failed to request a float value from HTTP service.
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#[error("Failed to fetch token price from remote server: {0}")]
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FetchTokenPrice(#[source] anyhow::Error),
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/// Failed to parse the response from HTTP service.
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#[error("Failed to parse HTTP service response: {0:?}. Response: {1:?}")]
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ParseHttp(serde_json::Error, String),
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/// Failed to select response value from the Json response.
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#[error("Failed to select value from response: {0:?}. Response: {1:?}")]
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SelectResponseValue(jsonpath_lib::JsonPathError, String),
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/// Failed to parse float value from the selected value.
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#[error(
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"Failed to parse float value {0:?} from response. It is assumed to be positive and normal"
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)]
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ParseFloat(f64),
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/// Couldn't found value in the JSON response.
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#[error("Missing required value from response: {0:?}")]
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MissingResponseValue(String),
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/// Invalid host address was used for exposing Prometheus metrics.
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#[error("Invalid host {0} is used to expose Prometheus metrics: {1}")]
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ExposingMetricsInvalidHost(String, AddrParseError),
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/// Prometheus error.
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#[error("{0}")]
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Prometheus(#[from] substrate_prometheus_endpoint::prometheus::Error),
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}
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