endorsement

type Argument interface {
	Dependency
	// Arg returns the bytes of the argument
	Arg() []byte
}

type Dependency interface {
}

type Plugin interface {
	// Endorse signs the given payload(ProposalResponsePayload bytes), and optionally mutates it.
	// Returns:
	// The Endorsement: A signature over the payload, and an identity that is used to verify the signature
	// The payload that was given as input (could be modified within this function)
	// Or error on failure
	Endorse(payload []byte, sp *peer.SignedProposal) (*peer.Endorsement, []byte, error)

	// Init injects dependencies into the instance of the Plugin
	Init(dependencies ...Dependency) error
}

type PluginFactory interface {
	New() Plugin
}