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 Go to latest Published: Apr 5, 2023 License: AGPL-3.0 Imports: 5 Imported by: 0

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Constants

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Variables

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Functions

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Types

type Epoch 

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

Epoch represents an epoch that does not exist or could not be retrieved.

func NewEpoch 

func NewEpoch(err error) *Epoch

NewEpoch returns a new invalid epoch, containing an error describing why the epoch could not be retrieved. The following are expected errors when constructing an invalid Epoch:

  • protocol.ErrNoPreviousEpoch - if the epoch represents a previous epoch which does not exist. This happens when the previous epoch is queried within the first epoch of a spork.
  • protocol.ErrNextEpochNotSetup - if the epoch represents a next epoch which has not been set up. This happens when the next epoch is queried within the EpochStaking phase of any epoch.
  • state.ErrUnknownSnapshotReference - if the epoch is queried from an unresolvable snapshot.
  • generic error in case of unexpected critical internal corruption or bugs

func NewEpochf added in v0.28.0 

func NewEpochf(msg string, args ...interface{}) *Epoch

NewEpochf is NewEpoch with ergonomic error formatting.

func (*Epoch) Cluster 

func (u *Epoch) Cluster(uint) (protocol.Cluster, error)

func (*Epoch) ClusterByChainID added in v0.26.1 

func (u *Epoch) ClusterByChainID(chainID flow.ChainID) (protocol.Cluster, error)

func (*Epoch) Clustering 

func (u *Epoch) Clustering() (flow.ClusterList, error)

func (*Epoch) Counter 

func (u *Epoch) Counter() (uint64, error)

func (*Epoch) DKG 

func (u *Epoch) DKG() (protocol.DKG, error)

func (*Epoch) DKGPhase1FinalView added in v0.20.0 

func (u *Epoch) DKGPhase1FinalView() (uint64, error)

func (*Epoch) DKGPhase2FinalView added in v0.20.0 

func (u *Epoch) DKGPhase2FinalView() (uint64, error)

func (*Epoch) DKGPhase3FinalView added in v0.20.0 

func (u *Epoch) DKGPhase3FinalView() (uint64, error)

func (*Epoch) FinalHeight added in v0.30.0 

func (u *Epoch) FinalHeight() (uint64, error)

func (*Epoch) FinalView 

func (u *Epoch) FinalView() (uint64, error)

func (*Epoch) FirstHeight added in v0.30.0 

func (u *Epoch) FirstHeight() (uint64, error)

func (*Epoch) FirstView 

func (u *Epoch) FirstView() (uint64, error)

func (*Epoch) InitialIdentities 

func (u *Epoch) InitialIdentities() (flow.IdentityList, error)

func (*Epoch) RandomSource 

func (u *Epoch) RandomSource() ([]byte, error)

type Epochs 

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

Epochs is an epoch query for an invalid snapshot.

func (*Epochs) Current 

func (u *Epochs) Current() protocol.Epoch

func (*Epochs) Next 

func (u *Epochs) Next() protocol.Epoch

func (*Epochs) Previous 

func (u *Epochs) Previous() protocol.Epoch

type Params added in v0.23.2 

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

Params represents parameters for an invalid state snapshot query.

func (Params) ChainID added in v0.23.2 

func (p Params) ChainID() (flow.ChainID, error)

func (Params) EpochCommitSafetyThreshold added in v0.29.0 

func (p Params) EpochCommitSafetyThreshold() (uint64, error)

func (Params) ProtocolVersion added in v0.23.2 

func (p Params) ProtocolVersion() (uint, error)

func (Params) SporkID added in v0.23.2 

func (p Params) SporkID() (flow.Identifier, error)

func (Params) SporkRootBlockHeight added in v0.29.6 

func (p Params) SporkRootBlockHeight() (uint64, error)

type Snapshot 

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

Snapshot represents a snapshot that does not exist or could not be queried.

func NewSnapshot 

func NewSnapshot(err error) *Snapshot

NewSnapshot returns a new invalid snapshot, containing an error describing why the snapshot could not be retrieved. The following are expected errors when constructing an invalid Snapshot:

  • state.ErrUnknownSnapshotReference if the reference point for the snapshot (height or block ID) does not resolve to a queriable block in the state.
  • generic error in case of unexpected critical internal corruption or bugs

func NewSnapshotf added in v0.28.0 

func NewSnapshotf(msg string, args ...interface{}) *Snapshot

NewSnapshotf is NewSnapshot with ergonomic error formatting.

func (*Snapshot) Commit 

func (u *Snapshot) Commit() (flow.StateCommitment, error)

func (*Snapshot) Descendants added in v0.17.6 

func (u *Snapshot) Descendants() ([]flow.Identifier, error)

func (*Snapshot) Epochs 

func (u *Snapshot) Epochs() protocol.EpochQuery

func (*Snapshot) Head 

func (u *Snapshot) Head() (*flow.Header, error)

func (*Snapshot) Identities 

func (u *Snapshot) Identities(_ flow.IdentityFilter) (flow.IdentityList, error)

func (*Snapshot) Identity 

func (u *Snapshot) Identity(_ flow.Identifier) (*flow.Identity, error)

func (*Snapshot) Params added in v0.23.2 

func (u *Snapshot) Params() protocol.GlobalParams

func (*Snapshot) Phase 

func (u *Snapshot) Phase() (flow.EpochPhase, error)

func (*Snapshot) QuorumCertificate 

func (u *Snapshot) QuorumCertificate() (*flow.QuorumCertificate, error)

func (*Snapshot) RandomSource added in v0.25.0 

func (u *Snapshot) RandomSource() ([]byte, error)

func (*Snapshot) SealedResult 

func (u *Snapshot) SealedResult() (*flow.ExecutionResult, *flow.Seal, error)

func (*Snapshot) SealingSegment 

func (u *Snapshot) SealingSegment() (*flow.SealingSegment, error)

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