validators

package
v1.9.4-rc.1 Latest Latest
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 Go to latest Published: Nov 28, 2022 License: BSD-3-Clause Imports: 20 Imported by: 121

Documentation

Overview

Package validators is a generated GoMock package.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AddWeight added in v1.9.4 

func AddWeight(m Manager, subnetID ids.ID, nodeID ids.NodeID, weight uint64) error

AddWeight is a helper that fetches the validator set of [subnetID] from [m] and adds [weight] to [nodeID] in the validator set. Returns an error if: - [subnetID] does not have a registered validator set in [m] - adding [weight] to [nodeID] in the validator set returns an error

func Contains added in v1.9.4 

func Contains(m Manager, subnetID ids.ID, nodeID ids.NodeID) bool

AddWeight is a helper that fetches the validator set of [subnetID] from [m] and returns if the validator set contains [nodeID]. If [m] does not contain a validator set for [subnetID], false is returned.

func RemoveWeight added in v1.9.4 

func RemoveWeight(m Manager, subnetID ids.ID, nodeID ids.NodeID, weight uint64) error

RemoveWeight is a helper that fetches the validator set of [subnetID] from [m] and removes [weight] from [nodeID] in the validator set. Returns an error if: - [subnetID] does not have a registered validator set in [m] - removing [weight] from [nodeID] in the validator set returns an error

Types

type Connector added in v0.8.0 

type Connector interface {
	Connected(
		ctx context.Context,
		nodeID ids.NodeID,
		nodeVersion *version.Application,
	) error
	Disconnected(ctx context.Context, nodeID ids.NodeID) error
}

Connector represents a handler that is called when a connection is marked as connected or disconnected

type Manager 

type Manager interface {
	fmt.Stringer

	// Add a subnet's validator set to the manager.
	//
	// If the subnet had previously registered a validator set, false will be
	// returned and the manager will not be modified.
	Add(subnetID ids.ID, set Set) bool

	// Get returns the validator set for the given subnet
	// Returns false if the subnet doesn't exist
	Get(ids.ID) (Set, bool)
}

Manager holds the validator set of each subnet

func NewManager 

func NewManager() Manager

NewManager returns a new, empty manager

type MockState added in v1.9.2 

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

MockState is a mock of State interface.

func NewMockState added in v1.9.2 

func NewMockState(ctrl *gomock.Controller) *MockState

NewMockState creates a new mock instance.

func (*MockState) EXPECT added in v1.9.2 

func (m *MockState) EXPECT() *MockStateMockRecorder

EXPECT returns an object that allows the caller to indicate expected use.

func (*MockState) GetCurrentHeight added in v1.9.2 

func (m *MockState) GetCurrentHeight(arg0 context.Context) (uint64, error)

GetCurrentHeight mocks base method.

func (*MockState) GetMinimumHeight added in v1.9.2 

func (m *MockState) GetMinimumHeight(arg0 context.Context) (uint64, error)

GetMinimumHeight mocks base method.

func (*MockState) GetValidatorSet added in v1.9.2 

func (m *MockState) GetValidatorSet(arg0 context.Context, arg1 uint64, arg2 ids.ID) (map[ids.NodeID]uint64, error)

GetValidatorSet mocks base method.

type MockStateMockRecorder added in v1.9.2 

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

MockStateMockRecorder is the mock recorder for MockState.

func (*MockStateMockRecorder) GetCurrentHeight added in v1.9.2 

func (mr *MockStateMockRecorder) GetCurrentHeight(arg0 interface{}) *gomock.Call

GetCurrentHeight indicates an expected call of GetCurrentHeight.

func (*MockStateMockRecorder) GetMinimumHeight added in v1.9.2 

func (mr *MockStateMockRecorder) GetMinimumHeight(arg0 interface{}) *gomock.Call

GetMinimumHeight indicates an expected call of GetMinimumHeight.

func (*MockStateMockRecorder) GetValidatorSet added in v1.9.2 

func (mr *MockStateMockRecorder) GetValidatorSet(arg0, arg1, arg2 interface{}) *gomock.Call

GetValidatorSet indicates an expected call of GetValidatorSet.

type Set 

type Set interface {
	formatting.PrefixedStringer

	// AddWeight to a staker.
	AddWeight(ids.NodeID, uint64) error

	// GetWeight retrieves the validator weight from the set.
	GetWeight(ids.NodeID) (uint64, bool)

	// SubsetWeight returns the sum of the weights of the validators.
	SubsetWeight(set.Set[ids.NodeID]) (uint64, error)

	// RemoveWeight from a staker.
	RemoveWeight(ids.NodeID, uint64) error

	// Contains returns true if there is a validator with the specified ID
	// currently in the set.
	Contains(ids.NodeID) bool

	// Len returns the number of validators currently in the set.
	Len() int

	// List all the validators in this group
	List() []Validator

	// Weight returns the cumulative weight of all validators in the set.
	Weight() uint64

	// Sample returns a collection of validators, potentially with duplicates.
	// If sampling the requested size isn't possible, an error will be returned.
	Sample(size int) ([]Validator, error)

	// When a validator's weight changes, or a validator is added/removed,
	// this listener is called.
	RegisterCallbackListener(SetCallbackListener)
}

Set of validators that can be sampled

func NewBestSet added in v0.8.0 

func NewBestSet(expectedSampleSize int) Set

NewBestSet returns a new, empty set of validators.

func NewSet 

func NewSet() Set

NewSet returns a new, empty set of validators.

type SetCallbackListener added in v1.7.11 

type SetCallbackListener interface {
	OnValidatorAdded(validatorID ids.NodeID, weight uint64)
	OnValidatorRemoved(validatorID ids.NodeID, weight uint64)
	OnValidatorWeightChanged(validatorID ids.NodeID, oldWeight, newWeight uint64)
}

type State added in v1.6.0 

type State interface {
	// GetMinimumHeight returns the minimum height of the block still in the
	// proposal window.
	GetMinimumHeight(context.Context) (uint64, error)
	// GetCurrentHeight returns the current height of the P-chain.
	GetCurrentHeight(context.Context) (uint64, error)

	// GetValidatorSet returns the weights of the nodeIDs for the provided
	// subnet at the requested P-chain height.
	// The returned map should not be modified.
	GetValidatorSet(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]uint64, error)
}

State allows the lookup of validator sets on specified subnets at the requested P-chain height.

func NewLockedState added in v1.6.0 

func NewLockedState(lock sync.Locker, s State) State

func NewNoValidatorsState added in v1.7.14 

func NewNoValidatorsState(state State) State

func Trace added in v1.9.3 

func Trace(s State, name string, tracer trace.Tracer) State

type TestState added in v1.6.0 

type TestState struct {
	T *testing.T

	CantGetMinimumHeight,
	CantGetCurrentHeight,
	CantGetValidatorSet bool

	GetMinimumHeightF func(context.Context) (uint64, error)
	GetCurrentHeightF func(context.Context) (uint64, error)
	GetValidatorSetF  func(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]uint64, error)
}

func (*TestState) GetCurrentHeight added in v1.6.0 

func (vm *TestState) GetCurrentHeight(ctx context.Context) (uint64, error)

func (*TestState) GetMinimumHeight added in v1.7.10 

func (vm *TestState) GetMinimumHeight(ctx context.Context) (uint64, error)

func (*TestState) GetValidatorSet added in v1.6.0 

func (vm *TestState) GetValidatorSet(ctx context.Context, height uint64, subnetID ids.ID) (map[ids.NodeID]uint64, error)

type Validator 

type Validator interface {
	// ID returns the node ID of this validator
	ID() ids.NodeID

	// Weight that can be used for weighted sampling. If this validator is
	// validating the primary network, returns the amount of AVAX staked.
	Weight() uint64
}

Validator is the minimal description of someone that can be sampled.

func NewValidator 

func NewValidator(
	nodeID ids.NodeID,
	weight uint64,
) Validator

NewValidator returns a validator object that implements the Validator interface

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