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error: RpcError with custom client error (#694)

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* error: `RpcError` with custom client error

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* error: Add `SubscriptionDropped` and panic on param errors

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Update subxt/src/rpc/rpc_client_t.rs

Co-authored-by: James Wilson <james@jsdw.me>

* Apply rustfmt

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Co-authored-by: James Wilson <james@jsdw.me>
This commit is contained in:
Alexandru Vasile
2022-10-20 16:33:50 +03:00
committed by GitHub
parent 1736f618d9
commit 6742fe0b12
5 changed files with 29 additions and 21 deletions
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subxt/src/error.rs
+10 -3
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@@ -102,10 +102,17 @@ impl From<DispatchError> for Error {
}
/// An RPC error. Since we are generic over the RPC client that is used,
/// the error is any custom string.
/// the error is boxed and could be casted.
#[derive(Debug, thiserror::Error)]
#[error("RPC error: {0}")]
pub struct RpcError(pub String);
#[error("RPC error")]
pub enum RpcError {
// Dev note: We need the error to be safely sent between threads
// for `subscribe_to_block_headers_filling_in_gaps` and friends.
/// Error related to the RPC client.
ClientError(Box<dyn std::error::Error + Send + 'static>),
/// The RPC subscription dropped.
SubscriptionDropped,
}
/// This is our attempt to decode a runtime DispatchError. We either
/// successfully decode it into a [`ModuleError`], or we fail and keep