Module utils 

Utility types and error handling for JSON-RPC.

This module provides common types used across all RPC handlers:

• RpcErr: Error type for RPC failures with proper JSON-RPC error codes
• RpcRequest: Parsed JSON-RPC request
• RpcNamespace: RPC method namespace (eth, engine, debug, etc.)
• Response types for success and error cases

Structs

RpcErrorMetadata

Error metadata for JSON-RPC error responses.

RpcErrorResponse

An error JSON-RPC 2.0 response.

RpcRequest

A parsed JSON-RPC 2.0 request.

RpcSuccessResponse

A successful JSON-RPC 2.0 response.

Enums

RpcErr

Error type for JSON-RPC method failures.

RpcNamespace

JSON-RPC method namespace.

RpcRequestId

JSON-RPC request identifier.

RpcResponse

A JSON-RPC 2.0 response, either success or error.

Functions

get_message_from_revert_data

parse_json_hex

resolve_namespace