Bogdan-Ștefan Neacşu
41ac866729
* Coconut unwraps * Fail softly on epoch queries * Update changelog * Retry a few times before failing as before
92 lines
2.7 KiB
Rust
92 lines
2.7 KiB
Rust
// Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
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// SPDX-License-Identifier: Apache-2.0
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use rocket::http::{ContentType, Status};
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use rocket::response::Responder;
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use rocket::{response, Request, Response};
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use std::io::Cursor;
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use thiserror::Error;
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use crypto::asymmetric::{
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encryption::KeyRecoveryError,
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identity::{Ed25519RecoveryError, SignatureError},
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};
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use validator_client::nymd::error::NymdError;
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use crate::node_status_api::models::ValidatorApiStorageError;
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pub type Result<T> = std::result::Result<T, CoconutError>;
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#[derive(Debug, Error)]
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pub enum CoconutError {
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#[error("Could not parse Ed25519 data")]
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Ed25519ParseError(#[from] Ed25519RecoveryError),
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#[error("Could not parse X25519 data")]
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X25519ParseError(#[from] KeyRecoveryError),
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#[error("Could not parse tx hash in request body")]
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TxHashParseError,
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#[error("Nymd error - {0}")]
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NymdError(#[from] NymdError),
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#[error("Coconut internal error - {0}")]
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CoconutInternalError(#[from] nymcoconut::CoconutError),
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#[error("Could not find a deposit event in the transaction provided")]
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DepositEventNotFound,
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#[error("Could not find the deposit value in the event")]
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DepositValueNotFound,
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#[error("Could not find the deposit info in the event")]
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DepositInfoNotFound,
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#[error("Could not find the verification key in the event")]
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DepositVerifKeyNotFound,
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#[error("Could not find the encryption key in the event")]
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DepositEncrKeyNotFound,
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#[error("Signature didn't verify correctly")]
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SignatureVerificationError(#[from] SignatureError),
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#[error("Inconsistent public attributes")]
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InconsistentPublicAttributes,
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#[error(
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"Public attributes in request differ from the ones in deposit - Expected {0}, got {1}"
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)]
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DifferentPublicAttributes(String, String),
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#[error("No signature found")]
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NoSignature,
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#[error("Error in coconut interface - {0}")]
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CoconutInterfaceError(#[from] coconut_interface::error::CoconutInterfaceError),
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#[error("Storage error - {0}")]
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StorageError(#[from] ValidatorApiStorageError),
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#[error("Credentials error - {0}")]
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CredentialsError(#[from] credentials::error::Error),
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#[error("Incorrect credential proposal description: {reason}")]
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IncorrectProposal { reason: String },
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#[error("Invalid status of credential: {status}")]
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InvalidCredentialStatus { status: String },
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}
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impl<'r, 'o: 'r> Responder<'r, 'o> for CoconutError {
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fn respond_to(self, _: &'r Request<'_>) -> response::Result<'o> {
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let err_msg = self.to_string();
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Response::build()
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.header(ContentType::Plain)
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.sized_body(err_msg.len(), Cursor::new(err_msg))
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.status(Status::BadRequest)
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.ok()
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}
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}
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