core

type Func interface {

	// EncodeArgs ABI-encodes the given args and prepends the Func's four-byte
	// selector.
	EncodeArgs(args ...interface{}) (input []byte, err error)

	// DecodeArgs ABI-decodes the given input to the given args.
	DecodeArgs(input []byte, args ...interface{}) (err error)

	// DecodeReturns ABI-decodes the given output to the given returns.
	DecodeReturns(output []byte, returns ...interface{}) (err error)
}

type RequestCreater interface {
	CreateRequest() (elem rpc.BatchElem, err error)
}

type RequestCreaterResponseHandler interface {
	RequestCreater
	ResponseHandler
}

type ResponseHandler interface {
	HandleResponse(elem rpc.BatchElem) (err error)
}