Env() returns a function that returns the specified enviroment variable with an optional fallback.

PrintShutdown() prints a little shutdown message.

PrintTitle prints a simple title.

ProcessRequest() constructs the appropriate DVM event given args and parsingErr, and then applies the closure function responseHandler.

QueryNoSearch() simply translates the slice of events returned by db.Query into a channel, making it compatible with Khatru.

RelayManagementInit() initializes the NIP-86 relay management API.