tbft

package
v1.1.3 Latest Latest
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 Go to latest Published: Feb 13, 2020 License: GPL-3.0 Imports: 25 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	//Start is status for notify
	Start int = iota
	//Stop is status for notify
	Stop
	//Switch is status for notify
	Switch
)
View Source 
const (
	//StateChannel is channel state
	StateChannel = byte(0x20)
	//DataChannel is channel state
	DataChannel = byte(0x21)
	//VoteChannel is channel state
	VoteChannel = byte(0x22)
	//VoteSetBitsChannel is channel state
	VoteSetBitsChannel = byte(0x23)
)

Variables

View Source 
var (
	//ErrInvalidProposalSignature is Error invalid proposal signature
	ErrInvalidProposalSignature = errors.New("error invalid proposal signature")
	//ErrInvalidProposalPOLRound is Error invalid proposal POL round
	ErrInvalidProposalPOLRound = errors.New("error invalid proposal POL round")
	//ErrAddingVote is Error adding vote
	ErrAddingVote = errors.New("error adding vote")
	//ErrVoteHeightMismatch is Error vote height mismatch
	ErrVoteHeightMismatch = errors.New("error vote height mismatch")
)

Functions

func CompareHRS 

func CompareHRS(h1 uint64, r1 uint, s1 ttypes.RoundStepType, h2 uint64, r2 uint, s2 ttypes.RoundStepType) int

CompareHRS is compare msg'and peerSet's height round Step

func MakeValidators 

func MakeValidators(cmm *types.CommitteeInfo) *ttypes.ValidatorSet

MakeValidators is make CommitteeInfo to ValidatorSet

func RegisterConsensusMessages 

func RegisterConsensusMessages(cdc *amino.Codec)

RegisterConsensusMessages is register all consensus message

Types

type BlockPartMessage 

type BlockPartMessage struct {
	Height uint64
	Round  uint
	Part   *ttypes.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.

type CSOption 

type CSOption func(*ConsensusState)

CSOption sets an optional parameter on the ConsensusState.

type CommitStepMessage 

type CommitStepMessage struct {
	Height           uint64
	BlockPartsHeader ttypes.PartSetHeader
	BlockParts       *help.BitArray
}

CommitStepMessage is sent when a block is committed.

func (*CommitStepMessage) String 

func (m *CommitStepMessage) String() string

String returns a string representation.

type ConsensusMessage 

type ConsensusMessage interface{}

ConsensusMessage is a message that can be sent and received on the ConsensusReactor

type ConsensusReactor 

type ConsensusReactor struct {
	tp2p.BaseReactor // BaseService + p2p.Switch
	// contains filtered or unexported fields
}

ConsensusReactor defines a reactor for the consensus service.

func NewConsensusReactor 

func NewConsensusReactor(consensusState *ConsensusState, fastSync bool) *ConsensusReactor

NewConsensusReactor returns a new ConsensusReactor with the given consensusState.

func (*ConsensusReactor) AddPeer 

func (conR *ConsensusReactor) AddPeer(peer tp2p.Peer)

AddPeer implements Reactor

func (*ConsensusReactor) FastSync 

func (conR *ConsensusReactor) FastSync() bool

FastSync returns whether the consensus reactor is in fast-sync mode.

func (*ConsensusReactor) GetChannels 

func (conR *ConsensusReactor) GetChannels() []*tp2p.ChannelDescriptor

GetChannels implements Reactor

func (*ConsensusReactor) OnStart 

func (conR *ConsensusReactor) OnStart() error

OnStart implements BaseService by subscribing to events, which later will be broadcasted to other peers and starting state if we're not in fast sync.

func (*ConsensusReactor) OnStop 

func (conR *ConsensusReactor) OnStop()

OnStop implements BaseService by unsubscribing from events and stopping state.

func (*ConsensusReactor) Receive 

func (conR *ConsensusReactor) Receive(chID byte, src tp2p.Peer, msgBytes []byte)

Receive implements Reactor NOTE: We process these messages even when we're fast_syncing. Messages affect either a peer state or the consensus state. Peer state updates can happen in parallel, but processing of proposals, block parts, and votes are ordered by the receiveRoutine NOTE: blocks on consensus state for proposals, block parts, and votes

func (*ConsensusReactor) RemovePeer 

func (conR *ConsensusReactor) RemovePeer(peer tp2p.Peer, reason interface{})

RemovePeer implements Reactor

func (*ConsensusReactor) SetEventBus 

func (conR *ConsensusReactor) SetEventBus(b *ttypes.EventBus)

SetEventBus sets event bus.

func (*ConsensusReactor) SetHealthMgr 

func (conR *ConsensusReactor) SetHealthMgr(h *ttypes.HealthMgr)

SetHealthMgr sets peer healthMgr

func (*ConsensusReactor) String 

func (conR *ConsensusReactor) String() string

String returns a string representation of the ConsensusReactor. NOTE: For now, it is just a hard-coded string to avoid accessing unprotected shared variables. TODO: improve!

func (*ConsensusReactor) StringIndented 

func (conR *ConsensusReactor) StringIndented(indent string) string

StringIndented returns an indented string representation of the ConsensusReactor

type ConsensusState 

type ConsensusState struct {
	help.BaseService

	ttypes.RoundState
	// contains filtered or unexported fields
}

ConsensusState 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 NewConsensusState 

func NewConsensusState(
	config *cfg.ConsensusConfig,
	state ttypes.StateAgent,
	store *ttypes.BlockStore,
	options ...CSOption,
) *ConsensusState

NewConsensusState returns a new ConsensusState.

func (*ConsensusState) AddProposalBlockPart 

func (cs *ConsensusState) AddProposalBlockPart(height uint64, round uint, part *ttypes.Part, peerID string) error

AddProposalBlockPart inputs a part of the proposal block. not used

func (*ConsensusState) AddVote 

func (cs *ConsensusState) AddVote(vote *ttypes.Vote, peerID string) (added bool, err error)

AddVote inputs a vote. not used

func (*ConsensusState) GetRoundState 

func (cs *ConsensusState) GetRoundState() *ttypes.RoundState

GetRoundState returns a shallow copy of the internal consensus state.

func (*ConsensusState) GetRoundStateJSON 

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

GetRoundStateJSON returns a json of RoundState, marshalled using go-amino.

func (*ConsensusState) GetRoundStateSimpleJSON 

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

GetRoundStateSimpleJSON returns a json of RoundStateSimple, marshalled using go-amino.

func (*ConsensusState) OnStart 

func (cs *ConsensusState) OnStart() error

OnStart implements help.Service. It loads the latest state via the WAL, and starts the timeout and receive routines.

func (*ConsensusState) OnStop 

func (cs *ConsensusState) OnStop()

OnStop implements help.Service. It stops all routines and waits for the WAL to finish.

func (*ConsensusState) SetCommitteeInfo 

func (cs *ConsensusState) SetCommitteeInfo(c *types.CommitteeInfo)

func (*ConsensusState) SetEventBus 

func (cs *ConsensusState) SetEventBus(b *ttypes.EventBus)

SetEventBus sets event bus.

func (*ConsensusState) SetHealthMgr 

func (cs *ConsensusState) SetHealthMgr(h *ttypes.HealthMgr)

SetHealthMgr sets peer health

func (*ConsensusState) SetLogger 

func (cs *ConsensusState) SetLogger(l log.Logger)

SetLogger implements Service.

func (*ConsensusState) SetPrivValidator 

func (cs *ConsensusState) SetPrivValidator(priv ttypes.PrivValidator)

SetPrivValidator sets the private validator account for signing votes.

func (*ConsensusState) SetProposal 

func (cs *ConsensusState) SetProposal(proposal *ttypes.Proposal, peerID string) error

SetProposal inputs a proposal. not used

func (*ConsensusState) SetProposalAndBlock 

func (cs *ConsensusState) SetProposalAndBlock(proposal *ttypes.Proposal, block *types.Block, parts *ttypes.PartSet, peerID string) error

SetProposalAndBlock inputs the proposal and all block parts. not used

func (*ConsensusState) SetTimeoutTicker 

func (cs *ConsensusState) SetTimeoutTicker(timeoutTicker TimeoutTicker)

SetTimeoutTicker sets the local timer. It may be useful to overwrite for testing.

func (*ConsensusState) String 

func (cs *ConsensusState) String() string

String returns a string.

func (*ConsensusState) UpdateValidatorsSet 

func (cs *ConsensusState) UpdateValidatorsSet(vset *ttypes.ValidatorSet, uHeight, eHeight uint64)

UpdateValidatorsSet is Set when the committee member is chaneged

func (*ConsensusState) Wait 

func (cs *ConsensusState) Wait()

Wait waits for the the main routine to return. NOTE: be sure to Stop() the event switch and drain any event channels or this may deadlock

type HasVoteMessage 

type HasVoteMessage struct {
	Height uint64
	Round  uint
	Type   byte
	Index  uint
}

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.

type NewRoundStepMessage 

type NewRoundStepMessage struct {
	Height                uint64
	Round                 uint
	Step                  ttypes.RoundStepType
	SecondsSinceStartTime uint
	LastCommitRound       uint
}

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.

type Node 

type Node struct {
	help.BaseService

	Agent types.PbftAgentProxy
	// contains filtered or unexported fields
}

Node is the highest level interface to a full truechain node. It includes all configuration information and running services.

func NewNode 

func NewNode(config *cfg.TbftConfig, chainID string, priv *ecdsa.PrivateKey,
	agent types.PbftAgentProxy) (*Node, error)

NewNode returns a new, ready to go, truechain Node.

func (*Node) AddHealthForCommittee 

func (n *Node) AddHealthForCommittee(h *ttypes.HealthMgr, c *types.CommitteeInfo)

func (*Node) GetCommitteeStatus 

func (n *Node) GetCommitteeStatus(committeeID *big.Int) map[string]interface{}

GetCommitteeStatus is show committee info in api

func (*Node) IsLeader 

func (n *Node) IsLeader(committeeID *big.Int) bool

func (*Node) Notify 

func (n *Node) Notify(id *big.Int, action int) error

Notify is agent change server order

func (*Node) OnStart 

func (n *Node) OnStart() error

OnStart starts the Node. It implements help.Service.

func (*Node) OnStop 

func (n *Node) OnStop()

OnStop stops the Node. It implements help.Service.

func (*Node) PutCommittee 

func (n *Node) PutCommittee(committeeInfo *types.CommitteeInfo) error

PutCommittee is agent put all committee to server

func (*Node) PutNodes 

func (n *Node) PutNodes(id *big.Int, nodes []*types.CommitteeNode) error

PutNodes is agent put peer's ip port

func (*Node) RunForever 

func (n *Node) RunForever()

RunForever waits for an interrupt signal and stops the node.

func (*Node) SetCommitteeStop 

func (n *Node) SetCommitteeStop(committeeID *big.Int, stop uint64) error

SetCommitteeStop is stop committeeID server

func (*Node) UpdateCommittee 

func (n *Node) UpdateCommittee(info *types.CommitteeInfo) error

UpdateCommittee update the committee info from agent when the members was changed

type PeerState 

type PeerState struct {
	PRS   ttypes.PeerRoundState `json:"round_state"` // Exposed.
	Stats *peerStateStats       `json:"stats"`       // Exposed.
	// 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(peer tp2p.Peer) *PeerState

NewPeerState returns a new PeerState for the given Peer

func (*PeerState) ApplyCommitStepMessage 

func (ps *PeerState) ApplyCommitStepMessage(msg *CommitStepMessage)

ApplyCommitStepMessage updates the peer state for the new commit.

func (*PeerState) ApplyHasVoteMessage 

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

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) 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 *help.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() uint

BlockPartsSent returns the number of blocks for which peer has been sending us block parts.

func (*PeerState) EnsureVoteBitArrays 

func (ps *PeerState) EnsureVoteBitArrays(height uint64, numValidators uint)

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() uint64

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) GetRoundState 

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

GetRoundState returns an 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(partsHeader ttypes.PartSetHeader)

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

func (*PeerState) PickSendVote 

func (ps *PeerState) PickSendVote(votes ttypes.VoteSetReader) bool

PickSendVote picks a vote and sends it to the peer. Returns true if vote was sent.

func (*PeerState) PickVoteToSend 

func (ps *PeerState) PickVoteToSend(votes ttypes.VoteSetReader) (vote *ttypes.Vote, ok bool)

PickVoteToSend picks a vote to send to the peer. Returns true if a vote was picked. NOTE: `votes` must be the correct Size() for the Height().

func (*PeerState) RecordBlockPart 

func (ps *PeerState) RecordBlockPart(bp *BlockPartMessage) uint

RecordBlockPart updates internal statistics for this peer by recording the block part. It returns the total number of block parts (1 per block). This essentially means the number of blocks for which peer has been sending us block parts.

func (*PeerState) RecordVote 

func (ps *PeerState) RecordVote(vote *ttypes.Vote) uint

RecordVote updates internal statistics for this peer by recording the vote. It returns the total number of votes (1 per block). This essentially means the number of blocks for which peer has been sending us votes.

func (*PeerState) SetHasProposal 

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

SetHasProposal sets the given proposal as known for the peer.

func (*PeerState) SetHasProposalBlockPart 

func (ps *PeerState) SetHasProposalBlockPart(height uint64, round uint, index uint)

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

func (*PeerState) SetHasVote 

func (ps *PeerState) SetHasVote(vote *ttypes.Vote)

SetHasVote sets the given vote as known by the peer

func (*PeerState) SetLogger 

func (ps *PeerState) SetLogger(logger log.Logger) *PeerState

SetLogger allows to set a logger on the peer state. Returns the peer state itself.

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, marshalled using go-amino.

func (*PeerState) VotesSent 

func (ps *PeerState) VotesSent() uint

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

type ProposalMessage 

type ProposalMessage struct {
	Proposal *ttypes.Proposal
}

ProposalMessage is sent when a new block is proposed.

func (*ProposalMessage) String 

func (m *ProposalMessage) String() string

String returns a string representation.

type ProposalPOLMessage 

type ProposalPOLMessage struct {
	Height           uint64
	ProposalPOLRound uint
	ProposalPOL      *help.BitArray
}

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

func (*ProposalPOLMessage) String 

func (m *ProposalPOLMessage) String() string

String returns a string representation.

type TimeoutTicker 

type TimeoutTicker interface {
	Start() error
	Stop() error
	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(name string) TimeoutTicker

NewTimeoutTicker returns a new TimeoutTicker.

type ValidatorUpdateMessage 

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

ValidatorUpdateMessage is send when a new committee is elected

func (*ValidatorUpdateMessage) String 

func (v *ValidatorUpdateMessage) String() string

String returns a string representation.

type VoteMessage 

type VoteMessage struct {
	Vote *ttypes.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.

type VoteSetBitsMessage 

type VoteSetBitsMessage struct {
	Height  uint64
	Round   uint
	Type    byte
	BlockID ttypes.BlockID
	Votes   *help.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.

type VoteSetMaj23Message 

type VoteSetMaj23Message struct {
	Height  uint64
	Round   uint
	Type    byte
	BlockID ttypes.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.

Source Files

View all Source files

Directories

Path Synopsis
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Package flowrate provides the tools for monitoring and limiting the flow rate of an arbitrary data stream.
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Taken from taipei-torrent.
 Taken from taipei-torrent.

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