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rpc-api: use thiserror instead of derive_more for error handling (#9631)

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Signed-off-by: koushiro <koushiro.cqx@gmail.com>
This commit is contained in:
Qinxuan Chen
2021-08-27 13:50:36 +08:00
committed by GitHub
parent 328cfbe633
commit a636b7a512
8 changed files with 39 additions and 74 deletions
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substrate/client/rpc-api/src/author/error.rs
+14 -27
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@@ -29,51 +29,38 @@ pub type Result<T> = std::result::Result<T, Error>;
pub type FutureResult<T> = jsonrpc_core::BoxFuture<Result<T>>;
/// Author RPC errors.
#[derive(Debug, derive_more::Display, derive_more::From)]
#[derive(Debug, thiserror::Error)]
pub enum Error {
/// Client error.
#[display(fmt = "Client error: {}", _0)]
#[from(ignore)]
#[error("Client error: {}", .0)]
Client(Box<dyn std::error::Error + Send>),
/// Transaction pool error,
#[display(fmt = "Transaction pool error: {}", _0)]
Pool(sc_transaction_pool_api::error::Error),
#[error("Transaction pool error: {}", .0)]
Pool(#[from] sc_transaction_pool_api::error::Error),
/// Verification error
#[display(fmt = "Extrinsic verification error: {}", _0)]
#[from(ignore)]
#[error("Extrinsic verification error: {}", .0)]
Verification(Box<dyn std::error::Error + Send>),
/// Incorrect extrinsic format.
#[display(fmt = "Invalid extrinsic format: {}", _0)]
BadFormat(codec::Error),
#[error("Invalid extrinsic format: {}", .0)]
BadFormat(#[from] codec::Error),
/// Incorrect seed phrase.
#[display(fmt = "Invalid seed phrase/SURI")]
#[error("Invalid seed phrase/SURI")]
BadSeedPhrase,
/// Key type ID has an unknown format.
#[display(fmt = "Invalid key type ID format (should be of length four)")]
#[error("Invalid key type ID format (should be of length four)")]
BadKeyType,
/// Key type ID has some unsupported crypto.
#[display(fmt = "The crypto of key type ID is unknown")]
#[error("The crypto of key type ID is unknown")]
UnsupportedKeyType,
/// Some random issue with the key store. Shouldn't happen.
#[display(fmt = "The key store is unavailable")]
#[error("The key store is unavailable")]
KeyStoreUnavailable,
/// Invalid session keys encoding.
#[display(fmt = "Session keys are not encoded correctly")]
#[error("Session keys are not encoded correctly")]
InvalidSessionKeys,
/// Call to an unsafe RPC was denied.
UnsafeRpcCalled(crate::policy::UnsafeRpcError),
}
impl std::error::Error for Error {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Error::Client(ref err) => Some(&**err),
Error::Pool(ref err) => Some(err),
Error::Verification(ref err) => Some(&**err),
Error::UnsafeRpcCalled(ref err) => Some(err),
_ => None,
}
}
#[error(transparent)]
UnsafeRpcCalled(#[from] crate::policy::UnsafeRpcError),
}
/// Base code for all authorship errors.