rolldpos

package
v0.5.0-rc8-hotfix1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Apr 7, 2019 License: Apache-2.0 Imports: 30 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	// ErrNewRollDPoS indicates the error of constructing RollDPoS
	ErrNewRollDPoS = errors.New("error when constructing RollDPoS")
	// ErrZeroDelegate indicates seeing 0 delegates in the network
	ErrZeroDelegate = errors.New("zero delegates in the network")
	// ErrNotEnoughCandidates indicates there are not enough candidates from the candidate pool
	ErrNotEnoughCandidates = errors.New("Candidate pool does not have enough candidates")
)
View Source 
var (
	// ErrExpiredEndorsement indicates that the endorsement is expired
	ErrExpiredEndorsement = errors.New("the endorsement has been replaced or expired")
)
View Source 
var ErrInsufficientEndorsements = errors.New("Insufficient endorsements")

ErrInsufficientEndorsements represents the error that not enough endorsements

Functions

This section is empty.

Types

type Builder 

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

Builder is the builder for RollDPoS

func NewRollDPoSBuilder 

func NewRollDPoSBuilder() *Builder

NewRollDPoSBuilder instantiates a Builder instance

func (*Builder) Build 

func (b *Builder) Build() (*RollDPoS, error)

Build builds a RollDPoS consensus module

func (*Builder) RegisterProtocol 

func (b *Builder) RegisterProtocol(rp *rolldpos.Protocol) *Builder

RegisterProtocol sets the rolldpos protocol

func (*Builder) SetActPool 

func (b *Builder) SetActPool(actPool actpool.ActPool) *Builder

SetActPool sets the action pool APIs

func (*Builder) SetAddr 

func (b *Builder) SetAddr(encodedAddr string) *Builder

SetAddr sets the address and key pair for signature

func (*Builder) SetBlockchain 

func (b *Builder) SetBlockchain(chain blockchain.Blockchain) *Builder

SetBlockchain sets the blockchain APIs

func (*Builder) SetBroadcast 

func (b *Builder) SetBroadcast(broadcastHandler scheme.Broadcast) *Builder

SetBroadcast sets the broadcast callback

func (*Builder) SetCandidatesByHeightFunc 

func (b *Builder) SetCandidatesByHeightFunc(
	candidatesByHeightFunc CandidatesByHeightFunc,
) *Builder

SetCandidatesByHeightFunc sets candidatesByHeightFunc

func (*Builder) SetClock 

func (b *Builder) SetClock(clock clock.Clock) *Builder

SetClock sets the clock

func (*Builder) SetConfig 

func (b *Builder) SetConfig(cfg config.Config) *Builder

SetConfig sets config

func (*Builder) SetPriKey 

func (b *Builder) SetPriKey(priKey keypair.PrivateKey) *Builder

SetPriKey sets the private key

func (*Builder) SetRootChainAPI 

func (b *Builder) SetRootChainAPI(api explorer.Explorer) *Builder

SetRootChainAPI sets root chain API

type CandidatesByHeightFunc 

type CandidatesByHeightFunc func(uint64) ([]*state.Candidate, error)

CandidatesByHeightFunc defines a function to overwrite candidates

type ConsensusVote 

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

ConsensusVote is a vote on a given topic for a block on a specific height

func NewConsensusVote 

func NewConsensusVote(
	blkHash []byte,
	topic ConsensusVoteTopic,
) *ConsensusVote

NewConsensusVote creates a consensus vote

func (*ConsensusVote) BlockHash 

func (v *ConsensusVote) BlockHash() []byte

BlockHash returns the block hash of the consensus vote

func (*ConsensusVote) Hash 

func (v *ConsensusVote) Hash() ([]byte, error)

Hash returns the hash of this vote

func (*ConsensusVote) LoadProto 

func (v *ConsensusVote) LoadProto(msg *iotextypes.ConsensusVote) error

LoadProto loads from a protobuf message

func (*ConsensusVote) Proto 

func (v *ConsensusVote) Proto() (*iotextypes.ConsensusVote, error)

Proto converts to a protobuf message

func (*ConsensusVote) Topic 

func (v *ConsensusVote) Topic() ConsensusVoteTopic

Topic returns the topic of the consensus vote

type ConsensusVoteTopic 

type ConsensusVoteTopic uint8

ConsensusVoteTopic defines the topic of an consensus vote 

const (
	// PROPOSAL stands for an consensus vote to endorse a block proposal
	PROPOSAL ConsensusVoteTopic = 0
	// LOCK stands for an consensus vote to endorse a lock on a proposed block
	LOCK ConsensusVoteTopic = 1
	// COMMIT stands for an consensus vote to endorse a block commit
	COMMIT ConsensusVoteTopic = 2
)

type EndorsedConsensusMessage 

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

EndorsedConsensusMessage is an endorsement on document

func NewEndorsedConsensusMessage 

func NewEndorsedConsensusMessage(
	height uint64,
	message endorsement.Document,
	endorsement *endorsement.Endorsement,
) *EndorsedConsensusMessage

NewEndorsedConsensusMessage creates an EndorsedConsensusMessage for an consensus vote

func (*EndorsedConsensusMessage) Document 

func (ecm *EndorsedConsensusMessage) Document() endorsement.Document

Document returns the endorsed consensus message

func (*EndorsedConsensusMessage) Endorsement 

func (ecm *EndorsedConsensusMessage) Endorsement() *endorsement.Endorsement

Endorsement returns the endorsement

func (*EndorsedConsensusMessage) Height 

func (ecm *EndorsedConsensusMessage) Height() uint64

Height returns the height of this message

func (*EndorsedConsensusMessage) LoadProto 

func (ecm *EndorsedConsensusMessage) LoadProto(msg *iotextypes.ConsensusMessage) error

LoadProto creates an endorsement message from protobuf message

func (*EndorsedConsensusMessage) Proto 

func (ecm *EndorsedConsensusMessage) Proto() (*iotextypes.ConsensusMessage, error)

Proto converts an endorsement to endorse proto

type RollDPoS 

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

RollDPoS is Roll-DPoS consensus main entrance

func (*RollDPoS) Calibrate 

func (r *RollDPoS) Calibrate(height uint64)

Calibrate called on receive a new block not via consensus

func (*RollDPoS) CurrentState 

func (r *RollDPoS) CurrentState() fsm.State

CurrentState returns the current state

func (*RollDPoS) HandleConsensusMsg 

func (r *RollDPoS) HandleConsensusMsg(msg *iotextypes.ConsensusMessage) error

HandleConsensusMsg handles incoming consensus message

func (*RollDPoS) Metrics 

func (r *RollDPoS) Metrics() (scheme.ConsensusMetrics, error)

Metrics returns RollDPoS consensus metrics

func (*RollDPoS) NumPendingEvts 

func (r *RollDPoS) NumPendingEvts() int

NumPendingEvts returns the number of pending events

func (*RollDPoS) Start 

func (r *RollDPoS) Start(ctx context.Context) error

Start starts RollDPoS consensus

func (*RollDPoS) Stop 

func (r *RollDPoS) Stop(ctx context.Context) error

Stop stops RollDPoS consensus

func (*RollDPoS) ValidateBlockFooter 

func (r *RollDPoS) ValidateBlockFooter(blk *block.Block) error

ValidateBlockFooter validates the signatures in the block footer

Source Files

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