synchronization

package
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Published: Jun 22, 2021 License: AGPL-3.0 Imports: 17 Imported by: 9

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Types

type Config

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

func DefaultConfig

func DefaultConfig() *Config

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,
	state protocol.State,
	blocks storage.Blocks,
	comp network.Engine,
	core module.SyncCore,
	opts ...OptionFunc,
) (*Engine, error)

New creates a new main chain 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.

type OptionFunc

type OptionFunc func(*Config)

func WithPollInterval

func WithPollInterval(interval time.Duration) OptionFunc

WithPollInterval sets a custom interval at which we scan for poll items

func WithScanInterval

func WithScanInterval(interval time.Duration) OptionFunc

WithScanInterval sets a custom interval at which we scan for pending items and batch them for requesting.

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