synchronization

package
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Published: Jun 4, 2021 License: AGPL-3.0 Imports: 18 Imported by: 1

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type Engine

type Engine struct {
	// contains filtered or unexported fields
}

Engine is the synchronization engine, responsible for synchronizing chain state.

func New

func New(
	log zerolog.Logger,
	metrics module.EngineMetrics,
	net module.Network,
	me module.Local,
	participants flow.IdentityList,
	state cluster.State,
	blocks storage.ClusterBlocks,
	comp network.Engine,
	core module.SyncCore,
) (*Engine, error)

New creates a new cluster synchronization engine.

func (*Engine) Done

func (e *Engine) Done() <-chan struct{}

Done returns a done channel that is closed once the engine has fully stopped. For the consensus engine, we wait for hotstuff to finish.

func (*Engine) Process

func (e *Engine) Process(originID flow.Identifier, event interface{}) error

Process processes the given event from the node with the given origin ID in a blocking manner. It returns the potential processing error when done.

func (*Engine) ProcessLocal

func (e *Engine) ProcessLocal(event interface{}) error

ProcessLocal processes an event originating on the local node.

func (*Engine) Ready

func (e *Engine) Ready() <-chan struct{}

Ready returns a ready channel that is closed once the engine has fully started. For consensus engine, this is true once the underlying consensus algorithm has started.

func (*Engine) Submit

func (e *Engine) Submit(originID flow.Identifier, event interface{})

Submit submits the given event from the node with the given origin ID for processing in a non-blocking manner. It returns instantly and logs a potential processing error internally when done.

func (*Engine) SubmitLocal

func (e *Engine) SubmitLocal(event interface{})

SubmitLocal submits an event originating on the local node.

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