gecko/snow/consensus/snowball/flat.go

42 lines
1.1 KiB
Go

// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package snowball
import (
"github.com/ava-labs/gecko/ids"
)
// FlatFactory implements Factory by returning a flat struct
type FlatFactory struct{}
// New implements Factory
func (FlatFactory) New() Consensus { return &Flat{} }
// Flat is a naive implementation of a multi-choice snowball instance
type Flat struct {
// wraps the n-nary snowball logic
nnarySnowball
// params contains all the configurations of a snowball instance
params Parameters
}
// Initialize implements the Consensus interface
func (f *Flat) Initialize(params Parameters, choice ids.ID) {
f.nnarySnowball.Initialize(params.BetaVirtuous, params.BetaRogue, choice)
f.params = params
}
// Parameters implements the Consensus interface
func (f *Flat) Parameters() Parameters { return f.params }
// RecordPoll implements the Consensus interface
func (f *Flat) RecordPoll(votes ids.Bag) {
if pollMode, numVotes := votes.Mode(); numVotes >= f.params.Alpha {
f.RecordSuccessfulPoll(pollMode)
} else {
f.RecordUnsuccessfulPoll()
}
}