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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/offchain/error.rs
+4 -12
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@@ -24,22 +24,14 @@ use jsonrpc_core as rpc;
pub type Result<T> = std::result::Result<T, Error>;
/// Offchain RPC errors.
#[derive(Debug, derive_more::Display, derive_more::From)]
#[derive(Debug, thiserror::Error)]
pub enum Error {
/// Unavailable storage kind error.
#[display(fmt = "This storage kind is not available yet.")]
#[error("This storage kind is not available yet.")]
UnavailableStorageKind,
/// 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 {
Self::UnsafeRpcCalled(err) => Some(err),
_ => None,
}
}
#[error(transparent)]
UnsafeRpcCalled(#[from] crate::policy::UnsafeRpcError),
}
/// Base error code for all offchain errors.