https://github.com/code-423n4/2024-11-nibiru/blob/8ed91a036f664b421182e183f19f6cef1a4e28ea/x/evm/keeper/grpc_query.go#L255-L293
The gRPC API endpoints directly return raw error messages to users without any sanitization or standardization.
Information Disclosure: Raw error messages may contain internal implementation details that could help attackers formulate attack vectors, this is beacause the error messages are inconsistent across different endpoints.
Implement a centralized error handling system:
Update all gRPC handlers to use the centralized error handling:
