verifier

package
v0.17.1 Latest Latest
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Published: May 18, 2021 License: AGPL-3.0 Imports: 20 Imported by: 4

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Types

type Engine

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

Engine (verifier engine) verifies chunks, generates result approvals or raises challenges. as input it accepts verifiable chunks (chunk + all data needed) and perform verification by constructing a partial trie, executing transactions and check the final state commitment and other chunk meta data (e.g. tx count)

func New

func New(
	log zerolog.Logger,
	metrics module.VerificationMetrics,
	tracer module.Tracer,
	net module.Network,
	state protocol.State,
	me module.Local,
	chVerif module.ChunkVerifier,
	approvals storage.ResultApprovals,
) (*Engine, error)

New creates and returns a new instance of a verifier engine.

func (*Engine) Done

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

Done returns a channel that is closed when the verifier engine is done.

func (*Engine) GenerateResultApproval

func (e *Engine) GenerateResultApproval(chunkIndex uint64,
	execResultID flow.Identifier,
	blockID flow.Identifier,
	spockSecret []byte,
) (*flow.ResultApproval, error)

GenerateResultApproval generates result approval for specific chunk of an execution receipt.

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 channel that is closed when the verifier engine is ready.

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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