Fix testnet build (#566)

* bump  jsonrpsee to use v0.20.3

* return error object for api methods

* clippy fix

pallets/jobs/rpc/Cargo.toml

@@ -11,7 +11,7 @@ repository = { workspace = true }
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-jsonrpsee = { version = "0.16.2", features = ["client-core", "server", "macros"] }
+jsonrpsee = { workspace = true, features = ["client-core", "server", "macros"] }
 pallet-jobs-rpc-runtime-api = { path = "./runtime-api", default-features = false }
 parity-scale-codec = { workspace = true }
 sp-api = { workspace = true }

pallets/jobs/rpc/src/lib.rs

@@ -16,9 +16,9 @@
 #![allow(clippy::unnecessary_mut_passed)]
 #![allow(clippy::type_complexity)]
 use jsonrpsee::{
-	core::{Error as JsonRpseeError, RpcResult},
+	core::RpcResult,
 	proc_macros::rpc,
-	types::error::{CallError, ErrorObject},
+	types::error::{ErrorObject, ErrorObjectOwned},
 };
 pub use pallet_jobs_rpc_runtime_api::JobsApi as JobsRuntimeApi;
 use parity_scale_codec::Codec;
@@ -304,13 +304,8 @@ impl From<Error> for i32 {
 }
 
 /// Converts a runtime trap into an RPC error.
-fn runtime_error_into_rpc_err(err: impl std::fmt::Debug) -> JsonRpseeError {
-	CallError::Custom(ErrorObject::owned(
-		RUNTIME_ERROR,
-		"Runtime error",
-		Some(format!("{:?}", err)),
-	))
-	.into()
+fn runtime_error_into_rpc_err(err: impl std::fmt::Debug) -> ErrorObjectOwned {
+	ErrorObject::owned(RUNTIME_ERROR, "Runtime error", Some(format!("{:?}", err)))
 }
 
 const RUNTIME_ERROR: i32 = 1;