gadgets

package
v0.25.8 Latest Latest
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Published: Apr 7, 2022 License: AGPL-3.0 Imports: 3 Imported by: 6

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Types

type Heights

type Heights struct {
	events.Noop
	// contains filtered or unexported fields
}

Heights is a protocol events consumer that provides an interface to subscribe to callbacks when chain state reaches a particular height.

func NewHeights

func NewHeights() *Heights

NewHeights returns a new Heights events gadget.

func (*Heights) BlockFinalized

func (g *Heights) BlockFinalized(block *flow.Header)

BlockFinalized handles block finalized protocol events, triggering height callbacks as needed.

func (*Heights) OnHeight

func (g *Heights) OnHeight(height uint64, callback func())

OnHeight registers the callback for the given height, only if the height has not already been finalized.

type IdentityDeltas added in v0.12.0

type IdentityDeltas struct {
	events.Noop
	// contains filtered or unexported fields
}

IdentityDeltas is a protocol events consumer that provides an interface to subscribe to callbacks any time an identity table change (or possible change) is finalized.

TODO add slashing/ejection events here once implemented

func NewIdentityDeltas added in v0.12.0

func NewIdentityDeltas(cb func()) *IdentityDeltas

NewIdentityDeltas returns a new IdentityDeltas events gadget.

func (*IdentityDeltas) EpochCommittedPhaseStarted added in v0.12.0

func (g *IdentityDeltas) EpochCommittedPhaseStarted(_ uint64, _ *flow.Header)

func (*IdentityDeltas) EpochSetupPhaseStarted added in v0.12.0

func (g *IdentityDeltas) EpochSetupPhaseStarted(_ uint64, _ *flow.Header)

func (*IdentityDeltas) EpochTransition added in v0.12.0

func (g *IdentityDeltas) EpochTransition(_ uint64, _ *flow.Header)

type Views added in v0.20.0

type Views struct {
	sync.Mutex
	events.Noop
	// contains filtered or unexported fields
}

Views is a protocol events consumer that provides an interface to subscribe to callbacks when consensus reaches a particular view. When a callback is registered for a view, it will be invoked when the first block with block.View >= V is finalized. Callbacks for earlier views are executed before callbacks for later views, and callbacks for the same view are executed on a FIFO basis.

func NewViews added in v0.20.0

func NewViews() *Views

NewViews returns a new Views events gadget.

func (*Views) BlockFinalized added in v0.20.0

func (v *Views) BlockFinalized(block *flow.Header)

BlockFinalized handles block finalized protocol events, triggering view callbacks as needed.

func (*Views) OnView added in v0.20.0

func (v *Views) OnView(view uint64, callback events.OnViewCallback)

OnView registers the callback for the given view.

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