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types.go
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/
types.go
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package types
import (
"context"
"github.com/GoPlugin/Plugin/core/logger"
"github.com/GoPlugin/Plugin/core/service"
"github.com/GoPlugin/Plugin/core/store/models"
)
type Tracker interface {
HighestSeenHeadFromDB() (*models.Head, error)
Start() error
Stop() error
SetLogger(logger *logger.Logger)
}
// HeadTrackable represents any object that wishes to respond to ethereum events,
// after being subscribed to HeadBroadcaster
//go:generate mockery --name HeadTrackable --output ../mocks/ --case=underscore
type HeadTrackable interface {
Connect(head *models.Head) error
OnNewLongestChain(ctx context.Context, head models.Head)
}
type HeadBroadcasterRegistry interface {
Subscribe(callback HeadTrackable) (unsubscribe func())
}
// HeadBroadcaster is the external interface of headBroadcaster
//go:generate mockery --name HeadBroadcaster --output ../mocks/ --case=underscore
type HeadBroadcaster interface {
service.Service
HeadTrackable
Subscribe(callback HeadTrackable) (unsubscribe func())
}
// HeadTrackableCallback is a simple wrapper around an On Connect callback
type HeadTrackableCallback struct {
OnConnect func() error
}
func (c *HeadTrackableCallback) Connect(*models.Head) error {
return c.OnConnect()
}
func (c *HeadTrackableCallback) OnNewLongestChain(context.Context, models.Head) {}