consensus

package
v0.13.3 Latest Latest
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 Go to latest Published: Oct 16, 2023 License: Apache-2.0 Imports: 58 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	StateChannel       = p2p.ChannelID(0x20)
	DataChannel        = p2p.ChannelID(0x21)
	VoteChannel        = p2p.ChannelID(0x22)
	VoteSetBitsChannel = p2p.ChannelID(0x23)
)
View Source 
const (
	// MetricsSubsystem is a subsystem shared by all metrics exposed by this
	// package.
	MetricsSubsystem = "consensus"
)

Variables

View Source 
var (
	ErrPeerStateHeightRegression = errors.New("peer state height regression")
	ErrPeerStateInvalidStartTime = errors.New("peer state invalid startTime")
	ErrPeerStateSetNilVote       = errors.New("peer state set a nil vote")
	ErrPeerStateInvalidVoteIndex = errors.New("peer sent a vote with an invalid vote index")
)
View Source 
var (
	ErrInvalidProposalNotSet     = errors.New("error invalid proposal not set")
	ErrInvalidProposalForCommit  = errors.New("error invalid proposal for commit")
	ErrUnableToVerifyProposal    = errors.New("error unable to verify proposal")
	ErrInvalidProposalSignature  = errors.New("error invalid proposal signature")
	ErrInvalidProposalCoreHeight = errors.New("error invalid proposal core height")
	ErrInvalidProposalPOLRound   = errors.New("error invalid proposal POL round")
	ErrAddingVote                = errors.New("error adding vote")

	ErrPrivValidatorNotSet = errors.New("priv-validator is not set")
)

Consensus sentinel errors

Functions

func CompareHRS 

func CompareHRS(h1 int64, r1 int32, s1 cstypes.RoundStepType, h2 int64, r2 int32, s2 cstypes.RoundStepType) int

func IsDataCorruptionError 

func IsDataCorruptionError(err error) bool

IsDataCorruptionError returns true if data has been corrupted inside WAL.

func MsgToProto 

func MsgToProto(msg Message) (*tmcons.Message, error)

MsgToProto takes a consensus message type and returns the proto defined consensus message.

TODO: This needs to be removed, but WALToProto depends on this.

func NewReplayBlockExecutor 

func NewReplayBlockExecutor(
	appClient abciclient.Client,
	stateStore sm.Store,
	blockStore sm.BlockStore,
	eventBus *eventbus.EventBus,
	opts ...func(e *sm.BlockExecutor),
) *sm.BlockExecutor

NewReplayBlockExecutor returns a new instance of state.BlockExecutor configured for BlockReplayer

func ReplayerWithLogger 

func ReplayerWithLogger(logger log.Logger) func(r *BlockReplayer)

ReplayerWithLogger sets logger to BlockReplayer

func ReplayerWithProTxHash 

func ReplayerWithProTxHash(proTxHash types.ProTxHash) func(r *BlockReplayer)

ReplayerWithProTxHash sets node's pro-tx hash to BlockReplayer

func RunReplayFile 

func RunReplayFile(
	ctx context.Context,
	logger log.Logger,
	cfg config.BaseConfig,
	csConfig *config.ConsensusConfig,
	console bool,
) error

replay the wal file

func SkipStateStoreBootstrap 

func SkipStateStoreBootstrap(sm *State)

SkipStateStoreBootstrap is a state option forces the constructor to skip state bootstrapping during construction.

func WALToProto 

func WALToProto(msg WALMessage) (*tmcons.WALMessage, error)

WALToProto takes a WAL message and return a proto walMessage and error.

func WithStopFunc 

func WithStopFunc(stopFns ...func(cs *State) bool) func(cs *State)

func WithTimeoutTicker 

func WithTimeoutTicker(timeoutTicker TimeoutTicker) func(cs *State)

Types

type ActionEvent 

type ActionEvent interface {
	GetType() EventType
}

type ActionHandler 

type ActionHandler interface {
	Execute(ctx context.Context, event StateEvent) error
}

ActionHandler is an action handler interface

type AddCommitAction 

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

func (*AddCommitAction) Execute 

func (c *AddCommitAction) Execute(ctx context.Context, stateEvent StateEvent) error

type AddCommitEvent 

type AddCommitEvent struct {
	Commit *types.Commit
}

func (*AddCommitEvent) GetType 

func (e *AddCommitEvent) GetType() EventType

GetType returns AddCommitType event-type

type AddProposalBlockPartAction 

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

AddProposalBlockPartAction ... NOTE: block is not necessarily valid. Asynchronously triggers either enterPrevote (before we timeout of propose) or tryFinalizeCommit, once we have the full block.

func (*AddProposalBlockPartAction) Execute 

func (c *AddProposalBlockPartAction) Execute(ctx context.Context, stateEvent StateEvent) error

Execute ...

type AddProposalBlockPartEvent 

type AddProposalBlockPartEvent struct {
	Msg        *BlockPartMessage
	PeerID     types.NodeID
	FromReplay bool
}

func (*AddProposalBlockPartEvent) GetType 

func (e *AddProposalBlockPartEvent) GetType() EventType

GetType returns AddProposalBlockPartType event-type

type AddVoteAction 

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

AddVoteAction is the command to add a vote to the vote-set Attempt to add the vote. if its a duplicate signature, dupeout the validator

func (*AddVoteAction) Execute 

func (c *AddVoteAction) Execute(ctx context.Context, stateEvent StateEvent) error

Execute adds received vote to prevote or precommit set

type AddVoteEvent 

type AddVoteEvent struct {
	Vote   *types.Vote
	PeerID types.NodeID
}

func (*AddVoteEvent) GetType 

func (e *AddVoteEvent) GetType() EventType

GetType returns AddVoteType event-type

type AddVoteFunc 

type AddVoteFunc func(ctx context.Context, stateData *StateData, vote *types.Vote) (bool, error)

type AddVoteMiddlewareFunc 

type AddVoteMiddlewareFunc func(next AddVoteFunc) AddVoteFunc

type ApplyCommitAction 

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

func (*ApplyCommitAction) Execute 

func (c *ApplyCommitAction) Execute(ctx context.Context, stateEvent StateEvent) error

func (*ApplyCommitAction) RecordMetrics 

func (c *ApplyCommitAction) RecordMetrics(stateData *StateData, height int64, block *types.Block, lastBlockMeta *types.BlockMeta)

type ApplyCommitEvent 

type ApplyCommitEvent struct {
	Commit *types.Commit
}

func (*ApplyCommitEvent) GetType 

func (e *ApplyCommitEvent) GetType() EventType

GetType returns ApplyCommitType event-type

type BaseWAL 

type BaseWAL struct {
	service.BaseService
	// contains filtered or unexported fields
}

Write ahead logger writes msgs to disk before they are processed. Can be used for crash-recovery and deterministic replay. TODO: currently the wal is overwritten during replay catchup, give it a mode so it's either reading or appending - must read to end to start appending again.

func NewWAL 

func NewWAL(ctx context.Context, logger log.Logger, walFile string, groupOptions ...func(*auto.Group)) (*BaseWAL, error)

NewWAL returns a new write-ahead logger based on `baseWAL`, which implements WAL. It's flushed and synced to disk every 2s and once when stopped.

func (*BaseWAL) FlushAndSync 

func (wal *BaseWAL) FlushAndSync() error

FlushAndSync flushes and fsync's the underlying group's data to disk. See auto#FlushAndSync

func (*BaseWAL) Group 

func (wal *BaseWAL) Group() *auto.Group

func (*BaseWAL) OnStart 

func (wal *BaseWAL) OnStart(ctx context.Context) error

func (*BaseWAL) OnStop 

func (wal *BaseWAL) OnStop()

Stop the underlying autofile group. Use Wait() to ensure it's finished shutting down before cleaning up files.

func (*BaseWAL) SearchForEndHeight 

func (wal *BaseWAL) SearchForEndHeight(
	height int64,
	options *WALSearchOptions) (rd io.ReadCloser, found bool, err error)

SearchForEndHeight searches for the EndHeightMessage with the given height and returns an auto.GroupReader, whenever it was found or not and an error. Group reader will be nil if found equals false.

CONTRACT: caller must close group reader.

func (*BaseWAL) SetFlushInterval 

func (wal *BaseWAL) SetFlushInterval(i time.Duration)

SetFlushInterval allows us to override the periodic flush interval for the WAL.

func (*BaseWAL) Wait 

func (wal *BaseWAL) Wait()

Wait for the underlying autofile group to finish shutting down so it's safe to cleanup files.

func (*BaseWAL) Write 

func (wal *BaseWAL) Write(msg WALMessage) error

Write is called in newStep and for each receive on the peerMsgQueue and the timeoutTicker. NOTE: does not call fsync()

func (*BaseWAL) WriteSync 

func (wal *BaseWAL) WriteSync(msg WALMessage) error

WriteSync is called when we receive a msg from ourselves so that we write to disk before sending signed messages. NOTE: calls fsync()

type BlockPartMessage 

type BlockPartMessage struct {
	Height int64 `json:",string"`
	Round  int32
	Part   *types.Part
}

BlockPartMessage is sent when gossipping a piece of the proposed block.

func (*BlockPartMessage) String 

func (m *BlockPartMessage) String() string

String returns a string representation.

func (*BlockPartMessage) TypeTag 

func (*BlockPartMessage) TypeTag() string

func (*BlockPartMessage) ValidateBasic 

func (m *BlockPartMessage) ValidateBasic() error

ValidateBasic performs basic validation.

type BlockReplayer 

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

BlockReplayer replays persisted blocks for ABCI application

func NewBlockReplayer 

func NewBlockReplayer(
	appClient abciclient.Client,
	stateStore sm.Store,
	store sm.BlockStore,
	genDoc *types.GenesisDoc,
	publisher types.BlockEventPublisher,
	blockExec *sm.BlockExecutor,
	opts ...func(r *BlockReplayer),
) *BlockReplayer

NewBlockReplayer creates and returns an instance of BlockReplayer

func (*BlockReplayer) Replay 

func (r *BlockReplayer) Replay(
	ctx context.Context,
	state sm.State,
	appHash []byte,
	appHeight int64,
) ([]byte, error)

Replay syncs persisted blocks with ABCI application

type BlockSyncReactor 

type BlockSyncReactor interface {
	SwitchToBlockSync(context.Context, sm.State) error

	GetMaxPeerBlockHeight() int64

	// GetTotalSyncedTime returns the time duration since the blocksync starting.
	GetTotalSyncedTime() time.Duration

	// GetRemainingSyncTime returns the estimating time the node will be fully synced,
	// if will return 0 if the blocksync does not perform or the number of block synced is
	// too small (less than 100).
	GetRemainingSyncTime() time.Duration
}

NOTE: Temporary interface for switching to block sync, we should get rid of v0. See: https://github.com/tendermint/tendermint/issues/4595

type CommitMessage 

type CommitMessage struct {
	Commit *types.Commit
}

CommitMessage is sent when commit is constructed after having 2/3rds of approving precommit messages for a proposal.

func (*CommitMessage) TypeTag 

func (*CommitMessage) TypeTag() string

func (*CommitMessage) ValidateBasic 

func (m *CommitMessage) ValidateBasic() error

ValidateBasic performs basic validation.

type Controller 

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

Controller is responsible for registering and dispatching an event to an action

func NewController 

func NewController(cs *State, wal *wrapWAL, statsQueue *chanQueue[msgInfo], propler cstypes.Proposaler) *Controller

NewController returns a new instance of a controller with a set of all possible transitions (actions)

func (*Controller) Dispatch 

func (c *Controller) Dispatch(ctx context.Context, event ActionEvent, stateData *StateData) error

Dispatch dispatches an event to a handler

func (*Controller) Get 

func (c *Controller) Get(eventType EventType) ActionHandler

Get returns an action handler by an event-type, if the action is not existed then returns nil

func (*Controller) Register 

func (c *Controller) Register(eventType EventType, handler ActionHandler)

Register adds or overrides a action handler for an event-type

type DataCorruptionError 

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

DataCorruptionError is an error that occures if data on disk was corrupted.

func (DataCorruptionError) Cause 

func (e DataCorruptionError) Cause() error

func (DataCorruptionError) Error 

func (e DataCorruptionError) Error() string

type EndHeightMessage 

type EndHeightMessage struct {
	Height int64 `json:"height,string"`
}

EndHeightMessage marks the end of the given height inside WAL. @internal used by scripts/wal2json util.

func (EndHeightMessage) TypeTag 

func (EndHeightMessage) TypeTag() string

type EnterCommitAction 

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

EnterCommitAction ... Enter: +2/3 precommits for block

func (*EnterCommitAction) Execute 

func (c *EnterCommitAction) Execute(ctx context.Context, stateEvent StateEvent) error

Execute ...

type EnterCommitEvent 

type EnterCommitEvent struct {
	Height      int64
	CommitRound int32
}

func (*EnterCommitEvent) GetType 

func (e *EnterCommitEvent) GetType() EventType

GetType returns EnterCommitType event-type

type EnterNewRoundAction 

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

EnterNewRoundAction ... Enter: `timeoutNewHeight` by startTime (commitTime+timeoutCommit), 

or, if SkipTimeoutCommit==true, after receiving all precommits from (height,round-1)

Enter: `timeoutPrecommits` after any +2/3 precommits from (height,round-1) Enter: +2/3 precommits for nil at (height,round-1) Enter: +2/3 prevotes any or +2/3 precommits for block or any from (height, round) Enter: A valid commit came in from a future round NOTE: cs.StartTime was already set for height.

func (*EnterNewRoundAction) Execute 

func (c *EnterNewRoundAction) Execute(ctx context.Context, stateEvent StateEvent) error

Execute ...

type EnterNewRoundEvent 

type EnterNewRoundEvent struct {
	Height int64
	Round  int32
}

EnterNewRoundEvent ...

func (*EnterNewRoundEvent) GetType 

func (e *EnterNewRoundEvent) GetType() EventType

GetType returns EnterNewRoundType event-type

type EnterPrecommitAction 

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

EnterPrecommitAction ... Enter: `timeoutPrevote` after any +2/3 prevotes. Enter: `timeoutPrecommit` after any +2/3 precommits. Enter: +2/3 precomits for block or nil. Lock & precommit the ProposalBlock if we have enough prevotes for it (a POL in this round) else, precommit nil otherwise.

func (*EnterPrecommitAction) Execute 

func (c *EnterPrecommitAction) Execute(ctx context.Context, stateEvent StateEvent) error

Execute ... Enter: `timeoutPrevote` after any +2/3 prevotes. Enter: `timeoutPrecommit` after any +2/3 precommits. Enter: +2/3 precomits for block or nil. Lock & precommit the ProposalBlock if we have enough prevotes for it (a POL in this round) else, precommit nil otherwise.

type EnterPrecommitEvent 

type EnterPrecommitEvent struct {
	Height int64
	Round  int32
}

func (*EnterPrecommitEvent) GetType 

func (e *EnterPrecommitEvent) GetType() EventType

GetType returns EnterPrecommitType event-type

type EnterPrecommitWaitAction 

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

EnterPrecommitWaitAction ... Enter: any +2/3 precommits for next round.

func (*EnterPrecommitWaitAction) Execute 

func (c *EnterPrecommitWaitAction) Execute(ctx context.Context, stateEvent StateEvent) error

Execute ... Enter: any +2/3 precommits for next round.

type EnterPrecommitWaitEvent 

type EnterPrecommitWaitEvent struct {
	Height int64
	Round  int32
}

func (*EnterPrecommitWaitEvent) GetType 

func (e *EnterPrecommitWaitEvent) GetType() EventType

GetType returns EnterPrecommitWaitType event-type

type EnterPrevoteAction 

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

EnterPrevoteAction ... Enter: `timeoutPropose` after entering Propose. Enter: proposal block and POL is ready. If we received a valid proposal within this round and we are not locked on a block, we will prevote for block. Otherwise, if we receive a valid proposal that matches the block we are locked on or matches a block that received a POL in a round later than our locked round, prevote for the proposal, otherwise vote nil.

func (*EnterPrevoteAction) Execute 

func (c *EnterPrevoteAction) Execute(ctx context.Context, statEvent StateEvent) error

Execute ...

type EnterPrevoteEvent 

type EnterPrevoteEvent struct {
	Height         int64
	Round          int32
	AllowOldBlocks bool
}

func (*EnterPrevoteEvent) GetType 

func (e *EnterPrevoteEvent) GetType() EventType

GetType returns EnterPrevoteType event-type

type EnterPrevoteWaitAction 

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

EnterPrevoteWaitAction ... Enter: any +2/3 prevotes at next round.

func (*EnterPrevoteWaitAction) Execute 

func (c *EnterPrevoteWaitAction) Execute(ctx context.Context, stateEvent StateEvent) error

Execute ... Enter: any +2/3 prevotes at next round.

type EnterPrevoteWaitEvent 

type EnterPrevoteWaitEvent struct {
	Height int64
	Round  int32
}

func (*EnterPrevoteWaitEvent) GetType 

func (e *EnterPrevoteWaitEvent) GetType() EventType

GetType ...

type EnterProposeAction 

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

EnterProposeAction ... Enter (CreateEmptyBlocks): from enterNewRound(height,round) Enter (CreateEmptyBlocks, CreateEmptyBlocksInterval > 0 ): after enterNewRound(height,round), after timeout of CreateEmptyBlocksInterval Enter (!CreateEmptyBlocks) : after enterNewRound(height,round), once txs are in the mempool Caller should hold cs.mtx lock

func (*EnterProposeAction) Execute 

func (c *EnterProposeAction) Execute(ctx context.Context, stateEvent StateEvent) error

type EnterProposeEvent 

type EnterProposeEvent struct {
	Height int64
	Round  int32
}

func (*EnterProposeEvent) GetType 

func (e *EnterProposeEvent) GetType() EventType

GetType returns EnterProposeType event-type

type EventPublisher 

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

EventPublisher is event message sender to event-bus and event-switch this component provides some methods for sending events event-bus is used to interact internally and between the modules event-switch is mostly used in tests

func (*EventPublisher) PublishCommitEvent 

func (p *EventPublisher) PublishCommitEvent(commit *types.Commit) error

PublishCommitEvent ...

func (*EventPublisher) PublishCompleteProposalEvent 

func (p *EventPublisher) PublishCompleteProposalEvent(event types.EventDataCompleteProposal)

func (*EventPublisher) PublishLockEvent 

func (p *EventPublisher) PublishLockEvent(rs cstypes.RoundState)

PublishLockEvent ...

func (*EventPublisher) PublishNewRoundEvent 

func (p *EventPublisher) PublishNewRoundEvent(event types.EventDataNewRound)

func (*EventPublisher) PublishNewRoundStepEvent 

func (p *EventPublisher) PublishNewRoundStepEvent(rs cstypes.RoundState)

func (*EventPublisher) PublishPolkaEvent 

func (p *EventPublisher) PublishPolkaEvent(rs cstypes.RoundState)

PublishPolkaEvent ...

func (*EventPublisher) PublishRelockEvent 

func (p *EventPublisher) PublishRelockEvent(rs cstypes.RoundState)

PublishRelockEvent ...

func (*EventPublisher) PublishValidBlockEvent 

func (p *EventPublisher) PublishValidBlockEvent(rs cstypes.RoundState)

PublishValidBlockEvent ...

func (*EventPublisher) PublishVoteEvent 

func (p *EventPublisher) PublishVoteEvent(vote *types.Vote) error

type EventType 

type EventType int

EventType is an integer representation of a transition event 

const (
	EnterNewRoundType EventType = iota
	EnterProposeType
	EnterPrevoteType
	EnterPrecommitType
	EnterCommitType
	TryAddCommitType
	AddCommitType
	TryFinalizeCommitType
	ApplyCommitType
	AddProposalBlockPartType
	ProposalCompletedType
	EnterPrevoteWaitType
	EnterPrecommitWaitType
	AddVoteType
)

All possible event types

type Gossiper 

type Gossiper interface {
	GossipProposal(ctx context.Context, rs cstypes.RoundState, prs *cstypes.PeerRoundState)
	GossipProposalBlockParts(ctx context.Context, rs cstypes.RoundState, prs *cstypes.PeerRoundState)
	GossipBlockPartsForCatchup(ctx context.Context, rs cstypes.RoundState, prs *cstypes.PeerRoundState)
	GossipVote(ctx context.Context, rs cstypes.RoundState, prs *cstypes.PeerRoundState)
	GossipVoteSetMaj23(ctx context.Context, rs cstypes.RoundState, prs *cstypes.PeerRoundState)
	GossipCommit(ctx context.Context, rs cstypes.RoundState, prs *cstypes.PeerRoundState)
}

Gossiper is the interface that wraps the methods needed to gossip a state between connected peers

type Handshaker 

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

func NewHandshaker 

func NewHandshaker(
	blockReplayer *BlockReplayer,
	logger log.Logger,
	state sm.State,
) *Handshaker

func (*Handshaker) Handshake 

func (h *Handshaker) Handshake(ctx context.Context, appClient abciclient.Client) (uint64, error)

TODO: retry the handshake/replay if it fails ?

func (*Handshaker) NBlocks 

func (h *Handshaker) NBlocks() int

NBlocks returns the number of blocks applied to the state.

type HasCommitMessage 

type HasCommitMessage struct {
	Height int64
	Round  int32
}

HasCommitMessage is sent to indicate that a particular commit has been received.

func (*HasCommitMessage) String 

func (m *HasCommitMessage) String() string

String returns a string representation.

func (*HasCommitMessage) TypeTag 

func (*HasCommitMessage) TypeTag() string

func (*HasCommitMessage) ValidateBasic 

func (m *HasCommitMessage) ValidateBasic() error

ValidateBasic performs basic validation.

type HasVoteMessage 

type HasVoteMessage struct {
	Height int64 `json:",string"`
	Round  int32
	Type   tmproto.SignedMsgType
	Index  int32
}

HasVoteMessage is sent to indicate that a particular vote has been received.

func (*HasVoteMessage) String 

func (m *HasVoteMessage) String() string

String returns a string representation.

func (*HasVoteMessage) TypeTag 

func (*HasVoteMessage) TypeTag() string

func (*HasVoteMessage) ValidateBasic 

func (m *HasVoteMessage) ValidateBasic() error

ValidateBasic performs basic validation.

type Message 

type Message interface {
	ValidateBasic() error

	jsontypes.Tagged
}

Message defines an interface that the consensus domain types implement. When a proto message is received on a consensus p2p Channel, it is wrapped and then converted to a Message via MsgFromProtoMsg.

func MsgFromProto 

func MsgFromProto(msg proto.Message) (Message, error)

MsgFromProto ...

func MsgFromProtoMsg 

func MsgFromProtoMsg(msg *tmcons.Message) (Message, error)

MsgFromProtoMsg takes a consensus proto message and returns the native go type.

type Metrics 

type Metrics struct {
	// Height of the chain.
	Height metrics.Gauge

	// Last height signed by this validator if the node is a validator.
	ValidatorLastSignedHeight metrics.Gauge `metrics_labels:"validator_address"`

	// Number of rounds.
	Rounds metrics.Gauge

	// Histogram of round duration.
	RoundDuration metrics.Histogram `metrics_buckettype:"exprange" metrics_bucketsizes:"0.1, 100, 8"`

	// Number of validators.
	Validators metrics.Gauge
	// Total power of all validators.
	ValidatorsPower metrics.Gauge
	// Power of a validator.
	ValidatorPower metrics.Gauge `metrics_labels:"validator_address"`
	// Amount of blocks missed per validator.
	ValidatorMissedBlocks metrics.Gauge `metrics_labels:"validator_address"`
	// Number of validators who did not sign.
	MissingValidators metrics.Gauge
	// Total power of the missing validators.
	MissingValidatorsPower metrics.Gauge
	// Number of validators who tried to double sign.
	ByzantineValidators metrics.Gauge
	// Total power of the byzantine validators.
	ByzantineValidatorsPower metrics.Gauge

	// Time between this and the last block.
	BlockIntervalSeconds metrics.Histogram

	// Number of transactions.
	NumTxs metrics.Gauge
	// Size of the block.
	BlockSizeBytes metrics.Histogram
	// Total number of transactions.
	TotalTxs metrics.Gauge
	// The latest block height.
	CommittedHeight metrics.Gauge `metrics_name:"latest_block_height"`
	// Whether or not a node is block syncing. 1 if yes, 0 if no.
	BlockSyncing metrics.Gauge
	// Whether or not a node is state syncing. 1 if yes, 0 if no.
	StateSyncing metrics.Gauge

	// Number of block parts transmitted by each peer.
	BlockParts metrics.Counter `metrics_labels:"peer_id"`

	// Histogram of durations for each step in the consensus protocol.
	StepDuration metrics.Histogram `metrics_labels:"step" metrics_buckettype:"exprange" metrics_bucketsizes:"0.1, 100, 8"`

	// Histogram of time taken to receive a block in seconds, measured between when a new block is first
	// discovered to when the block is completed.
	BlockGossipReceiveLatency metrics.Histogram `metrics_buckettype:"exprange" metrics_bucketsizes:"0.1, 100, 8"`

	// Number of block parts received by the node, separated by whether the part
	// was relevant to the block the node is trying to gather or not.
	BlockGossipPartsReceived metrics.Counter `metrics_labels:"matches_current"`

	// QuroumPrevoteMessageDelay is the interval in seconds between the proposal
	// timestamp and the timestamp of the earliest prevote that achieved a quorum
	// during the prevote step.
	//
	// To compute it, sum the voting power over each prevote received, in increasing
	// order of timestamp. The timestamp of the first prevote to increase the sum to
	// be above 2/3 of the total voting power of the network defines the endpoint
	// the endpoint of the interval. Subtract the proposal timestamp from this endpoint
	// to obtain the quorum delay.
	//metrics:Interval in seconds between the proposal timestamp and the timestamp of the earliest prevote that achieved a quorum.
	QuorumPrevoteDelay metrics.Gauge `metrics_labels:"proposer_address"`

	// FullPrevoteDelay is the interval in seconds between the proposal
	// timestamp and the timestamp of the latest prevote in a round where 100%
	// of the voting power on the network issued prevotes.
	//metrics:Interval in seconds between the proposal timestamp and the timestamp of the latest prevote in a round where all validators voted.
	FullPrevoteDelay metrics.Gauge `metrics_labels:"proposer_address"`

	// ProposalTimestampDifference is the difference between the timestamp in
	// the proposal message and the local time of the validator at the time
	// that the validator received the message.
	//metrics:Difference between the timestamp in the proposal message and the local time of the validator at the time it received the message.
	ProposalTimestampDifference metrics.Histogram `metrics_labels:"is_timely" metrics_bucketsizes:"-10, -.5, -.025, 0, .1, .5, 1, 1.5, 2, 10"`

	// VoteExtensionReceiveCount is the number of vote extensions received by this
	// node. The metric is annotated by the status of the vote extension from the
	// application, either 'accepted' or 'rejected'.
	//metrics:Number of vote extensions received labeled by application response status.
	VoteExtensionReceiveCount metrics.Counter `metrics_labels:"status"`

	// ProposalReceiveCount is the total number of proposals received by this node
	// since process start.
	// The metric is annotated by the status of the proposal from the application,
	// either 'accepted' or 'rejected'.
	//metrics:Total number of proposals received by the node since process start labeled by application response status.
	ProposalReceiveCount metrics.Counter `metrics_labels:"status"`

	// ProposalCreationCount is the total number of proposals created by this node
	// since process start.
	//metrics:Total number of proposals created by the node since process start.
	ProposalCreateCount metrics.Counter

	// RoundVotingPowerPercent is the percentage of the total voting power received
	// with a round. The value begins at 0 for each round and approaches 1.0 as
	// additional voting power is observed. The metric is labeled by vote type.
	//metrics:A value between 0 and 1.0 representing the percentage of the total voting power per vote type received within a round.
	RoundVotingPowerPercent metrics.Gauge `metrics_labels:"vote_type"`

	// LateVotes stores the number of votes that were received by this node that
	// correspond to earlier heights and rounds than this node is currently
	// in.
	//metrics:Number of votes received by the node since process start that correspond to earlier heights and rounds than this node is currently in.
	LateVotes metrics.Counter `metrics_labels:"vote_type"`
	// contains filtered or unexported fields
}

Metrics contains metrics exposed by this package.

func NopMetrics 

func NopMetrics() *Metrics

func PrometheusMetrics 

func PrometheusMetrics(namespace string, labelsAndValues ...string) *Metrics

func (*Metrics) MarkBlockGossipComplete 

func (m *Metrics) MarkBlockGossipComplete()

func (*Metrics) MarkBlockGossipStarted 

func (m *Metrics) MarkBlockGossipStarted()

func (*Metrics) MarkLateVote 

func (m *Metrics) MarkLateVote(vt tmproto.SignedMsgType)

func (*Metrics) MarkProposalProcessed 

func (m *Metrics) MarkProposalProcessed(accepted bool)

func (*Metrics) MarkRound 

func (m *Metrics) MarkRound(r int32, st time.Time)

func (*Metrics) MarkStep 

func (m *Metrics) MarkStep(s cstypes.RoundStepType)

func (*Metrics) MarkVoteExtensionReceived 

func (m *Metrics) MarkVoteExtensionReceived(accepted bool)

func (*Metrics) MarkVoteReceived 

func (m *Metrics) MarkVoteReceived(vt tmproto.SignedMsgType, power, totalPower int64)

func (*Metrics) RecordConsMetrics 

func (m *Metrics) RecordConsMetrics(block *types.Block)

RecordConsMetrics uses for recording the block related metrics during fast-sync.

type NewRoundStepMessage 

type NewRoundStepMessage struct {
	Height                int64 `json:",string"`
	Round                 int32
	Step                  cstypes.RoundStepType
	SecondsSinceStartTime int64 `json:",string"`
	LastCommitRound       int32
}

NewRoundStepMessage is sent for every step taken in the ConsensusState. For every height/round/step transition

func (*NewRoundStepMessage) String 

func (m *NewRoundStepMessage) String() string

String returns a string representation.

func (*NewRoundStepMessage) TypeTag 

func (*NewRoundStepMessage) TypeTag() string

func (*NewRoundStepMessage) ValidateBasic 

func (m *NewRoundStepMessage) ValidateBasic() error

ValidateBasic performs basic validation.

func (*NewRoundStepMessage) ValidateHeight 

func (m *NewRoundStepMessage) ValidateHeight(initialHeight int64) error

ValidateHeight validates the height given the chain's initial height.

type NewValidBlockMessage 

type NewValidBlockMessage struct {
	Height             int64 `json:",string"`
	Round              int32
	BlockPartSetHeader types.PartSetHeader
	BlockParts         *bits.BitArray
	IsCommit           bool
}

NewValidBlockMessage is sent when a validator observes a valid block B in some round r, i.e., there is a Proposal for block B and 2/3+ prevotes for the block B in the round r. In case the block is also committed, then IsCommit flag is set to true.

func (*NewValidBlockMessage) String 

func (m *NewValidBlockMessage) String() string

String returns a string representation.

func (*NewValidBlockMessage) TypeTag 

func (*NewValidBlockMessage) TypeTag() string

func (*NewValidBlockMessage) ValidateBasic 

func (m *NewValidBlockMessage) ValidateBasic() error

ValidateBasic performs basic validation.

type PeerState 

type PeerState struct {
	PRS   cstypes.PeerRoundState `json:"round_state"`
	Stats *peerStateStats        `json:"stats"`

	// ProTxHash is accessible only for the validator
	ProTxHash types.ProTxHash
	// contains filtered or unexported fields
}

PeerState contains the known state of a peer, including its connection and threadsafe access to its PeerRoundState. NOTE: THIS GETS DUMPED WITH rpc/core/consensus.go. Be mindful of what you Expose.

func NewPeerState 

func NewPeerState(logger log.Logger, peerID types.NodeID) *PeerState

NewPeerState returns a new PeerState for the given node ID.

func (*PeerState) ApplyHasCommitMessage 

func (ps *PeerState) ApplyHasCommitMessage(msg *HasCommitMessage)

ApplyHasCommitMessage updates the peer state for the new commit.

func (*PeerState) ApplyHasVoteMessage 

func (ps *PeerState) ApplyHasVoteMessage(msg *HasVoteMessage) error

ApplyHasVoteMessage updates the peer state for the new vote.

func (*PeerState) ApplyNewRoundStepMessage 

func (ps *PeerState) ApplyNewRoundStepMessage(msg *NewRoundStepMessage)

ApplyNewRoundStepMessage updates the peer state for the new round.

func (*PeerState) ApplyNewValidBlockMessage 

func (ps *PeerState) ApplyNewValidBlockMessage(msg *NewValidBlockMessage)

ApplyNewValidBlockMessage updates the peer state for the new valid block.

func (*PeerState) ApplyProposalPOLMessage 

func (ps *PeerState) ApplyProposalPOLMessage(msg *ProposalPOLMessage)

ApplyProposalPOLMessage updates the peer state for the new proposal POL.

func (*PeerState) ApplyVoteSetBitsMessage 

func (ps *PeerState) ApplyVoteSetBitsMessage(msg *VoteSetBitsMessage, ourVotes *bits.BitArray)

ApplyVoteSetBitsMessage updates the peer state for the bit-array of votes it claims to have for the corresponding BlockID. `ourVotes` is a BitArray of votes we have for msg.BlockID NOTE: if ourVotes is nil (e.g. msg.Height < rs.Height), we conservatively overwrite ps's votes w/ msg.Votes.

func (*PeerState) BlockPartsSent 

func (ps *PeerState) BlockPartsSent() int

BlockPartsSent returns the number of useful block parts the peer has sent us.

func (*PeerState) CommitsSent 

func (ps *PeerState) CommitsSent() int

CommitsSent safely returns a last value of a commit counter

func (*PeerState) EnsureVoteBitArrays 

func (ps *PeerState) EnsureVoteBitArrays(height int64, numValidators int)

EnsureVoteBitArrays ensures the bit-arrays have been allocated for tracking what votes this peer has received. NOTE: It's important to make sure that numValidators actually matches what the node sees as the number of validators for height.

func (*PeerState) GetHeight 

func (ps *PeerState) GetHeight() int64

GetHeight returns an atomic snapshot of the PeerRoundState's height used by the mempool to ensure peers are caught up before broadcasting new txs.

func (*PeerState) GetProTxHash 

func (ps *PeerState) GetProTxHash() types.ProTxHash

GetProTxHash returns a copy of peer's pro-tx-hash

func (*PeerState) GetRoundState 

func (ps *PeerState) GetRoundState() *cstypes.PeerRoundState

GetRoundState returns a shallow copy of the PeerRoundState. There's no point in mutating it since it won't change PeerState.

func (*PeerState) InitProposalBlockParts 

func (ps *PeerState) InitProposalBlockParts(partSetHeader types.PartSetHeader)

InitProposalBlockParts initializes the peer's proposal block parts header and bit array.

func (*PeerState) IsRunning 

func (ps *PeerState) IsRunning() bool

IsRunning returns true if a PeerState is considered running where multiple broadcasting goroutines exist for the peer.

func (*PeerState) MarshalZerologObject 

func (ps *PeerState) MarshalZerologObject(e *zerolog.Event)

MarshalZerologObject formats this object for logging purposes

func (*PeerState) PickVoteToSend 

func (ps *PeerState) PickVoteToSend(votes types.VoteSetReader) (*types.Vote, bool)

PickVoteToSend picks a vote to send to the peer. It will return true if a vote was picked.

NOTE: `votes` must be the correct Size() for the Height().

func (*PeerState) RecordBlockPart 

func (ps *PeerState) RecordBlockPart() int

RecordBlockPart increments internal block part related statistics for this peer. It returns the total number of added block parts.

func (*PeerState) RecordCommit 

func (ps *PeerState) RecordCommit() int

RecordCommit safely increments the commit counter and returns the new value

func (*PeerState) RecordVote 

func (ps *PeerState) RecordVote() int

RecordVote increments internal votes related statistics for this peer. It returns the total number of added votes.

func (*PeerState) SetHasCommit 

func (ps *PeerState) SetHasCommit(commit *types.Commit)

SetHasCommit sets the given vote as known by the peer

func (*PeerState) SetHasProposal 

func (ps *PeerState) SetHasProposal(proposal *types.Proposal)

SetHasProposal sets the given proposal as known for the peer.

func (*PeerState) SetHasProposalBlockPart 

func (ps *PeerState) SetHasProposalBlockPart(height int64, round int32, index int)

SetHasProposalBlockPart sets the given block part index as known for the peer.

func (*PeerState) SetHasVote 

func (ps *PeerState) SetHasVote(vote *types.Vote) error

SetHasVote sets the given vote as known by the peer

func (*PeerState) SetProTxHash 

func (ps *PeerState) SetProTxHash(proTxHash types.ProTxHash)

func (*PeerState) SetRunning 

func (ps *PeerState) SetRunning(v bool)

SetRunning sets the running state of the peer.

func (*PeerState) String 

func (ps *PeerState) String() string

String returns a string representation of the PeerState

func (*PeerState) StringIndented 

func (ps *PeerState) StringIndented(indent string) string

StringIndented returns a string representation of the PeerState

func (*PeerState) ToJSON 

func (ps *PeerState) ToJSON() ([]byte, error)

ToJSON returns a json of PeerState.

func (*PeerState) UpdateProposalBlockParts 

func (ps *PeerState) UpdateProposalBlockParts(partSet *types.PartSet)

UpdateProposalBlockParts updates peer-round-state with proposal block parts

func (*PeerState) UpdateRoundState 

func (ps *PeerState) UpdateRoundState(fn func(prs *cstypes.PeerRoundState))

UpdateRoundState ensures that the update function is called using the blocking mechanism

func (*PeerState) VotesSent 

func (ps *PeerState) VotesSent() int

VotesSent returns the number of blocks for which peer has been sending us votes.

type Prevoter 

type Prevoter interface {
	Do(ctx context.Context, stateData *StateData) error
}

type ProposalCompletedAction 

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

func (*ProposalCompletedAction) Execute 

func (c *ProposalCompletedAction) Execute(ctx context.Context, stateEvent StateEvent) error

type ProposalCompletedEvent 

type ProposalCompletedEvent struct {
	Height     int64
	FromReplay bool
}

func (*ProposalCompletedEvent) GetType 

func (e *ProposalCompletedEvent) GetType() EventType

GetType ...

type ProposalMessage 

type ProposalMessage struct {
	Proposal *types.Proposal
}

ProposalMessage is sent when a new block is proposed.

func (*ProposalMessage) String 

func (m *ProposalMessage) String() string

String returns a string representation.

func (*ProposalMessage) TypeTag 

func (*ProposalMessage) TypeTag() string

func (*ProposalMessage) ValidateBasic 

func (m *ProposalMessage) ValidateBasic() error

ValidateBasic performs basic validation.

type ProposalPOLMessage 

type ProposalPOLMessage struct {
	Height           int64 `json:",string"`
	ProposalPOLRound int32
	ProposalPOL      *bits.BitArray
}

ProposalPOLMessage is sent when a previous proposal is re-proposed.

func (*ProposalPOLMessage) String 

func (m *ProposalPOLMessage) String() string

String returns a string representation.

func (*ProposalPOLMessage) TypeTag 

func (*ProposalPOLMessage) TypeTag() string

func (*ProposalPOLMessage) ValidateBasic 

func (m *ProposalPOLMessage) ValidateBasic() error

ValidateBasic performs basic validation.

type Proposaler 

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

Proposaler is used to set and create a proposal This structure must implement internal/consensus/types/Proposaler interface

func NewProposaler 

func NewProposaler(
	logger log.Logger,
	metrics *Metrics,
	privVal privValidator,
	queue *msgInfoQueue,
	blockExec *blockExecutor,
) *Proposaler

NewProposaler creates and returns a new Proposaler

func (*Proposaler) Create 

func (p *Proposaler) Create(ctx context.Context, height int64, round int32, rs *cstypes.RoundState) error

Create creates, sings and sends a created proposal to the queue To create a proposal is used RoundState.ValidBlock if it isn't nil and valid, otherwise create a new one

func (*Proposaler) Set 

func (p *Proposaler) Set(proposal *types.Proposal, receivedAt time.Time, rs *cstypes.RoundState) error

Set updates Proposal, ProposalReceiveTime and ProposalBlockParts in RoundState if the passed proposal met conditions

func (*Proposaler) Subscribe 

func (p *Proposaler) Subscribe(emitter *eventemitter.EventEmitter)

type Reactor 

type Reactor struct {
	service.BaseService

	Metrics *Metrics
	// contains filtered or unexported fields
}

Reactor defines a reactor for the consensus service.

func NewReactor 

func NewReactor(
	logger log.Logger,
	cs *State,
	channelCreator p2p.ChannelCreator,
	peerEvents p2p.PeerEventSubscriber,
	eventBus *eventbus.EventBus,
	waitSync bool,
	metrics *Metrics,
) *Reactor

NewReactor returns a reference to a new consensus reactor, which implements the service.Service interface. It accepts a logger, consensus state, references to relevant p2p Channels and a channel to listen for peer updates on. The reactor will close all p2p Channels when stopping.

func (*Reactor) GetConsensusState 

func (r *Reactor) GetConsensusState() *State

func (*Reactor) GetPeerState 

func (r *Reactor) GetPeerState(peerID types.NodeID) (*PeerState, bool)

GetPeerState returns PeerState for a given NodeID.

func (*Reactor) OnStart 

func (r *Reactor) OnStart(ctx context.Context) error

OnStart starts separate go routines for each p2p Channel and listens for envelopes on each. In addition, it also listens for peer updates and handles messages on that p2p channel accordingly. The caller must be sure to execute OnStop to ensure the outbound p2p Channels are closed.

func (*Reactor) OnStop 

func (r *Reactor) OnStop()

OnStop stops the reactor by signaling to all spawned goroutines to exit and blocking until they all exit, as well as unsubscribing from events and stopping state.

func (*Reactor) SetBlockSyncingMetrics 

func (r *Reactor) SetBlockSyncingMetrics(v float64)

func (*Reactor) SetStateSyncingMetrics 

func (r *Reactor) SetStateSyncingMetrics(v float64)

func (*Reactor) String 

func (r *Reactor) String() string

String returns a string representation of the Reactor.

NOTE: For now, it is just a hard-coded string to avoid accessing unprotected shared variables.

TODO: improve!

func (*Reactor) SwitchToConsensus 

func (r *Reactor) SwitchToConsensus(ctx context.Context, state sm.State, skipWAL bool)

SwitchToConsensus switches from block-sync mode to consensus mode. It resets the state, turns off block-sync, and starts the consensus state-machine.

func (*Reactor) WaitSync 

func (r *Reactor) WaitSync() bool

WaitSync returns whether the consensus reactor is waiting for state/block sync.

type State 

type State struct {
	service.BaseService
	// contains filtered or unexported fields
}

State handles execution of the consensus algorithm. It processes votes and proposals, and upon reaching agreement, commits blocks to the chain and executes them against the application. The internal state machine receives input from peers, the internal validator, and from a timer.

func NewState 

func NewState(
	logger log.Logger,
	cfg *config.ConsensusConfig,
	store sm.Store,
	blockExec *sm.BlockExecutor,
	blockStore sm.BlockStore,
	txNotifier txNotifier,
	evpool evidencePool,
	eventBus *eventbus.EventBus,
	options ...StateOption,
) (*State, error)

NewState returns a new State.

func (*State) AddProposalBlockPart 

func (cs *State) AddProposalBlockPart(ctx context.Context, height int64, round int32, part *types.Part, peerID types.NodeID) error

AddProposalBlockPart inputs a part of the proposal block.

func (*State) CreateProposalBlock 

func (cs *State) CreateProposalBlock(ctx context.Context) (*types.Block, error)

CreateProposalBlock safely creates a proposal block. Only used in tests.

func (*State) GetRoundState 

func (cs *State) GetRoundState() cstypes.RoundState

GetRoundState returns a shallow copy of the internal consensus state.

func (*State) GetRoundStateJSON 

func (cs *State) GetRoundStateJSON() ([]byte, error)

GetRoundStateJSON returns a json of RoundState.

func (*State) GetRoundStateSimpleJSON 

func (cs *State) GetRoundStateSimpleJSON() ([]byte, error)

GetRoundStateSimpleJSON returns a json of RoundStateSimple

func (*State) GetStateData 

func (cs *State) GetStateData() StateData

func (*State) GetValidatorSet 

func (cs *State) GetValidatorSet() (int64, *types.ValidatorSet)

GetValidatorSet returns a copy of the current validator set.

func (*State) GetValidators 

func (cs *State) GetValidators() (int64, []*types.Validator)

GetValidators returns a copy of the current validators.

func (*State) OnStart 

func (cs *State) OnStart(ctx context.Context) error

OnStart loads the latest state via the WAL, and starts the timeout and receive routines.

func (*State) OnStop 

func (cs *State) OnStop()

OnStop implements service.Service.

func (*State) OpenWAL 

func (cs *State) OpenWAL(ctx context.Context, walFile string) (WAL, error)

OpenWAL opens a file to log all consensus messages and timeouts for deterministic accountability.

func (*State) PrivValidator 

func (cs *State) PrivValidator() types.PrivValidator

PrivValidator returns safely a PrivValidator

func (*State) PublishCommitEvent 

func (cs *State) PublishCommitEvent(commit *types.Commit) error

PublishCommitEvent ...

func (*State) ReplayFile 

func (cs *State) ReplayFile(ctx context.Context, file string, console bool) error

Replay msgs in file or start the console

func (*State) SetPrivValidator 

func (cs *State) SetPrivValidator(ctx context.Context, priv types.PrivValidator)

SetPrivValidator sets the private validator account for signing votes. It immediately requests pubkey and caches it.

func (*State) SetProposal 

func (cs *State) SetProposal(ctx context.Context, proposal *types.Proposal, peerID types.NodeID) error

SetProposal inputs a proposal.

func (*State) SetProposalAndBlock 

func (cs *State) SetProposalAndBlock(
	ctx context.Context,
	proposal *types.Proposal,
	parts *types.PartSet,
	peerID types.NodeID,
) error

SetProposalAndBlock inputs the proposal and all block parts.

func (*State) SetProposedAppVersion 

func (cs *State) SetProposedAppVersion(ver uint64)

func (*State) String 

func (cs *State) String() string

String returns a string.

type StateData 

type StateData struct {
	cstypes.RoundState
	// contains filtered or unexported fields
}

StateData is a copy of the current RoundState nad state.State stored in the store Along with data, StateData provides some methods to check or update data inside

func (*StateData) HeightVoteSet 

func (s *StateData) HeightVoteSet() (int64, *cstypes.HeightVoteSet)

func (*StateData) InitialHeight 

func (s *StateData) InitialHeight() int64

InitialHeight returns an initial height

func (*StateData) Save 

func (s *StateData) Save() error

Save persists the current state-data using store and updates state-data with the version inclusive

type StateDataStore 

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

StateDataStore is a state-data store

func NewStateDataStore 

func NewStateDataStore(
	metrics *Metrics,
	logger log.Logger,
	cfg *config.ConsensusConfig,
	emitter *eventemitter.EventEmitter,
) *StateDataStore

NewStateDataStore creates and returns a new state-data store

func (*StateDataStore) Get 

func (s *StateDataStore) Get() StateData

Get returns the state-data

func (*StateDataStore) Subscribe 

func (s *StateDataStore) Subscribe(evsw *eventemitter.EventEmitter)

func (*StateDataStore) Update 

func (s *StateDataStore) Update(candidate StateData) error

Update updates state-data with candidate

func (*StateDataStore) UpdateAndGet 

func (s *StateDataStore) UpdateAndGet(candidate StateData) (StateData, error)

UpdateAndGet updates state-data with a candidate and returns updated state-data

func (*StateDataStore) UpdateReplayMode 

func (s *StateDataStore) UpdateReplayMode(flag bool)

UpdateReplayMode safe updates replay-mode flag

type StateEvent 

type StateEvent struct {
	Ctrl      *Controller
	EventType EventType
	StateData *StateData
	Data      ActionEvent
}

StateEvent uses to execute an action handler EventType and StateData are required for a call Data is optional

type StateOption 

type StateOption func(*State)

StateOption sets an optional parameter on the State.

func StateMetrics 

func StateMetrics(metrics *Metrics) StateOption

StateMetrics sets the metrics.

type TimedWALMessage 

type TimedWALMessage struct {
	Time time.Time  `json:"time"`
	Msg  WALMessage `json:"msg"`
}

TimedWALMessage wraps WALMessage and adds Time for debugging purposes.

type TimeoutTicker 

type TimeoutTicker interface {
	Start(context.Context) error
	Stop()
	IsRunning() bool
	Chan() <-chan timeoutInfo       // on which to receive a timeout
	ScheduleTimeout(ti timeoutInfo) // reset the timer
}

TimeoutTicker is a timer that schedules timeouts conditional on the height/round/step in the timeoutInfo. The timeoutInfo.Duration may be non-positive.

func NewTimeoutTicker 

func NewTimeoutTicker(logger log.Logger) TimeoutTicker

NewTimeoutTicker returns a new TimeoutTicker.

type TryAddCommitAction 

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

TryAddCommitAction ... If we received a commit message from an external source try to add it then finalize it.

func (*TryAddCommitAction) Execute 

func (cs *TryAddCommitAction) Execute(ctx context.Context, stateEvent StateEvent) error

Execute ...

type TryAddCommitEvent 

type TryAddCommitEvent struct {
	Commit *types.Commit
	PeerID types.NodeID
}

func (*TryAddCommitEvent) GetType 

func (e *TryAddCommitEvent) GetType() EventType

GetType returns TryAddCommitType event-type

type TryFinalizeCommitAction 

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

TryFinalizeCommitAction ... If we have the block AND +2/3 commits for it, finalize.

func (*TryFinalizeCommitAction) Execute 

func (cs *TryFinalizeCommitAction) Execute(ctx context.Context, stateEvent StateEvent) error

Execute ...

type TryFinalizeCommitEvent 

type TryFinalizeCommitEvent struct {
	Height int64
}

func (*TryFinalizeCommitEvent) GetType 

func (e *TryFinalizeCommitEvent) GetType() EventType

GetType returns TryFinalizeCommitType event-type

type VoteMessage 

type VoteMessage struct {
	Vote *types.Vote
}

VoteMessage is sent when voting for a proposal (or lack thereof).

func (*VoteMessage) String 

func (m *VoteMessage) String() string

String returns a string representation.

func (*VoteMessage) TypeTag 

func (*VoteMessage) TypeTag() string

func (*VoteMessage) ValidateBasic 

func (m *VoteMessage) ValidateBasic() error

ValidateBasic checks whether the vote within the message is well-formed.

type VoteSetBitsMessage 

type VoteSetBitsMessage struct {
	Height  int64 `json:",string"`
	Round   int32
	Type    tmproto.SignedMsgType
	BlockID types.BlockID
	Votes   *bits.BitArray
}

VoteSetBitsMessage is sent to communicate the bit-array of votes seen for the BlockID.

func (*VoteSetBitsMessage) String 

func (m *VoteSetBitsMessage) String() string

String returns a string representation.

func (*VoteSetBitsMessage) TypeTag 

func (*VoteSetBitsMessage) TypeTag() string

func (*VoteSetBitsMessage) ValidateBasic 

func (m *VoteSetBitsMessage) ValidateBasic() error

ValidateBasic performs basic validation.

type VoteSetMaj23Message 

type VoteSetMaj23Message struct {
	Height  int64 `json:",string"`
	Round   int32
	Type    tmproto.SignedMsgType
	BlockID types.BlockID
}

VoteSetMaj23Message is sent to indicate that a given BlockID has seen +2/3 votes.

func (*VoteSetMaj23Message) String 

func (m *VoteSetMaj23Message) String() string

String returns a string representation.

func (*VoteSetMaj23Message) TypeTag 

func (*VoteSetMaj23Message) TypeTag() string

func (*VoteSetMaj23Message) ValidateBasic 

func (m *VoteSetMaj23Message) ValidateBasic() error

ValidateBasic performs basic validation.

type WAL 

type WAL interface {
	WALWriteFlusher
	WALSearcher

	// service methods
	Start(context.Context) error
	Stop()
	Wait()
}

WAL is an interface for any write-ahead logger.

type WALDecoder 

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

A WALDecoder reads and decodes custom-encoded WAL messages from an input stream. See WALEncoder for the format used.

It will also compare the checksums and make sure data size is equal to the length from the header. If that is not the case, error will be returned.

func NewWALDecoder 

func NewWALDecoder(rd io.Reader) *WALDecoder

NewWALDecoder returns a new decoder that reads from rd.

func (*WALDecoder) Decode 

func (dec *WALDecoder) Decode() (*TimedWALMessage, error)

Decode reads the next custom-encoded value from its reader and returns it.

type WALEncoder 

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

A WALEncoder writes custom-encoded WAL messages to an output stream.

Format: 4 bytes CRC sum + 4 bytes length + arbitrary-length value

func NewWALEncoder 

func NewWALEncoder(wr io.Writer) *WALEncoder

NewWALEncoder returns a new encoder that writes to wr.

func (*WALEncoder) Encode 

func (enc *WALEncoder) Encode(v *TimedWALMessage) error

Encode writes the custom encoding of v to the stream. It returns an error if the encoded size of v is greater than 1MB. Any error encountered during the write is also returned.

type WALFlusher 

type WALFlusher interface {
	FlushAndSync() error
}

type WALMessage 

type WALMessage interface{}

func WALFromProto 

func WALFromProto(msg *tmcons.WALMessage) (WALMessage, error)

WALFromProto takes a proto wal message and return a consensus walMessage and error.

type WALSearchOptions 

type WALSearchOptions struct {
	// IgnoreDataCorruptionErrors set to true will result in skipping data corruption errors.
	IgnoreDataCorruptionErrors bool
}

WALSearchOptions are optional arguments to SearchForEndHeight.

type WALSearcher 

type WALSearcher interface {
	SearchForEndHeight(height int64, options *WALSearchOptions) (rd io.ReadCloser, found bool, err error)
}

type WALWriteFlusher 

type WALWriteFlusher interface {
	WALWriter
	WALFlusher
	WriteSync(WALMessage) error
}

type WALWriter 

type WALWriter interface {
	Write(WALMessage) error
}

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