CustomQuerier returns a function that is an implementation of the custom querier mechanism for specific messages.

NewQueryPlugin returns a pointer to a new QueryPlugin.

BindingExecuteMsgWrapper is a n override of CosmosMsg::Custom (json.RawMessage), which corresponds to `BindingExecuteMsgWrapper` in the bindings-perp.rs contract.

CustomWasmExecutor is an extension of wasm/keeper.Messenger with its own custom `DispatchMsg` for CosmWasm execute calls on Nibiru.