binary_slush.go

// Copyright (C) 2019-2021, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.

package snowball

import (
	"fmt"
)

// binarySlush is the implementation of a binary slush instance
type binarySlush struct {
	// preference is the choice that last had a successful poll. Unless there
	// hasn't been a successful poll, in which case it is the initially provided
	// choice.
	preference int
}

// Initialize implements the BinarySlush interface
func (sl *binarySlush) Initialize(choice int) { sl.preference = choice }

// Preference implements the BinarySlush interface
func (sl *binarySlush) Preference() int { return sl.preference }

// RecordSuccessfulPoll implements the BinarySlush interface
func (sl *binarySlush) RecordSuccessfulPoll(choice int) { sl.preference = choice }

func (sl *binarySlush) String() string { return fmt.Sprintf("SL(Preference = %d)", sl.preference) }