lego/acme/provider.go

package acme

// ChallengeProvider enables implementing a custom challenge
// provider. Present presents the solution to a challenge available to
// be solved. CleanUp will be called by the challenge if Present ends
// in a non-error state.
type ChallengeProvider interface {
	Present(domain, token, keyAuth string) error
	CleanUp(domain, token, keyAuth string) error
}