syntax = "proto3"; package user.v1; service AuthService { rpc Login (LoginRequest) returns (LoginResponse) {} rpc SignUp (SignUpRequest) returns (SignUpResponse) {} rpc Logout (LogoutRequest) returns (LogoutResponse) {} } message LoginRequest { string username = 1; string password = 2; } message LoginResponse { string token = 1; } message SignUpRequest { string username = 1; string password = 2; } message SignUpResponse {} message LogoutRequest {} message LogoutResponse {}