core

package
v1.0.1 Latest Latest
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 Go to latest Published: Jul 18, 2019 License: GPL-3.0, LGPL-3.0 Imports: 33 Imported by: 0

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Index

Constants

View Source 
const (
	DefaultLifespan = 100
	MaxLifespan     = 100
	MaxMinerKeySize = 200 * 1024 * 1024 // for lifespan = 1 on interval size = 1,000,000
)
View Source 
const (
	HandshakeMsg         = 0x00
	StatusMsg            = 0x01
	ProposalLeaderMsg    = 0x02
	ProposalBlockMsg     = 0x03
	VoteMsg              = 0x04
	HasVoteMsg           = 0x05
	TimeoutMsg           = 0x06
	HasProposalLeaderMsg = 0x07
	HasProposalBlockMsg  = 0x08
)

protocol message codes

Variables

View Source 
var CodeToString = map[uint64]string{
	HandshakeMsg:         "HandshakeMsg",
	StatusMsg:            "StatusMsg",
	ProposalLeaderMsg:    "ProposalLeaderMsg",
	ProposalBlockMsg:     "ProposalBlockMsg",
	VoteMsg:              "VoteMsg",
	HasVoteMsg:           "HasVoteMsg",
	TimeoutMsg:           "TimeoutMsg",
	HasProposalLeaderMsg: "HasProposalLeaderMsg",
	HasProposalBlockMsg:  "HasProposalBlockMsg",
}

Functions

func BuildProof 

func BuildProof(config *params.AlgorandConfig, stateDb *state.StateDB, height uint64, leader common.Address, cvs []*types.CertVoteStorage, proofDb ethdb.Putter) (err error)

func GetCommitteeNumber 

func GetCommitteeNumber(height uint64, step uint32) (uint64, uint64)

func GetWeight 

func GetWeight(config *params.AlgorandConfig, miner common.Address, stateDb *state.StateDB, totalBalanceOfMiners *big.Int, hash ed25519.VrfOutput256) (ownWeight, totalWeight uint64)

GetWeight returns weight of a miner. It's caller's responsibility to check that addr is a miner of current block

func PrintVoteJournalEntry 

func PrintVoteJournalEntry(ts, code uint64, data interface{}, from string) error

func VerifyProof 

func VerifyProof(config *params.AlgorandConfig, stateRoot common.Hash, height uint64, leader common.Address, cvs []*types.CertVoteStorage, proof types.NodeList) error

func VerifySignatureAndCredential 

func VerifySignatureAndCredential(mv *MinerVerifier, signBytes []byte, signature ed25519.ForwardSecureSignature, credential *Credential, stateDb *state.StateDB, parentSeed ed25519.VrfOutput256, totalBalanceOfMiners *big.Int) error

Types

type Backend 

type Backend interface {
	BlockChain() *core.BlockChain
	TxPool() *core.TxPool
	GossipInterval() time.Duration
}

Backend wraps all methods required for mining.

type Broadcaster 

type Broadcaster interface {
	Broadcast(code uint64, data interface{})

	Publish(chanId []byte, msgCode uint64, data interface{})
	Sub(chanId []byte, timeout time.Duration)
	UnSub(chanId []byte)
	Request(chanId []byte, value common.Hash)
}

type Context 

type Context struct {
	HeightState
	// contains filtered or unexported fields
}

func NewContext 

func NewContext(eth Backend, broadcaster Broadcaster, config *params.ChainConfig, mux *event.TypeMux, engine consensus.Engine, algorandDataDir string, gasFloor, gasCeil uint64) *Context

func (*Context) GetParentProposalBlockData 

func (ctx *Context) GetParentProposalBlockData(height uint64) *ProposalBlockData

func (*Context) GetParentRoundVoteSet 

func (ctx *Context) GetParentRoundVoteSet(height uint64) (*RoundVoteSet, uint32)

func (*Context) GetProposalBlock 

func (ctx *Context) GetProposalBlock(height uint64, value common.Hash) *ProposalBlockData

GetProposalBlock returns a READONLY proposalBlock of the value return nil if not exists

func (*Context) GetProposalLeader 

func (ctx *Context) GetProposalLeader(height uint64, round uint32) *ProposalLeaderData

GetProposalLeader returns a READONLY ProposalLeaderData of the leader return nil if not exists

func (*Context) HR 

func (ctx *Context) HR() (uint64, uint32)

func (*Context) HRS 

func (ctx *Context) HRS() string

func (*Context) IsMining 

func (ctx *Context) IsMining() bool

func (*Context) NewBlock 

func (ctx *Context) NewBlock() error

func (*Context) OnReceive 

func (ctx *Context) OnReceive(code uint64, data interface{}, from string)

func (*Context) Pending 

func (ctx *Context) Pending() (*types.Block, *state.StateDB)

func (*Context) RoundVoteSet 

func (ctx *Context) RoundVoteSet(height uint64, round uint32) *RoundVoteSet

func (*Context) SaveProposalBlock 

func (ctx *Context) SaveProposalBlock(data *ProposalBlockData)

SaveProposalBlock stores a copy of proposalBlock of the value

func (*Context) SetExtra 

func (ctx *Context) SetExtra(extra []byte)

func (*Context) SetMiner 

func (ctx *Context) SetMiner(address common.Address)

func (*Context) Stake 

func (ctx *Context) Stake() uint64

func (*Context) Start 

func (ctx *Context) Start()

func (*Context) StartMining 

func (ctx *Context) StartMining()

func (*Context) Stop 

func (ctx *Context) Stop()

func (*Context) StopMining 

func (ctx *Context) StopMining()

func (*Context) UpdateProposalLeader 

func (ctx *Context) UpdateProposalLeader(value *ProposalLeaderData)

UpdateProposalLeader stores a copy of ProposalLeaderData of the leader

type Credential 

type Credential struct {
	Address common.Address   `json:"address" gencodec:"required"`
	Height  uint64           `json:"height" gencodec:"required"`
	Round   uint32           `json:"round" gencodec:"required"`
	Step    uint32           `json:"step" gencodec:"required"`
	Proof   ed25519.VrfProof `json:"proof" gencodec:"required"`

	// cached
	Weight uint64 `json:"weight" rlp:"-"`
}

func NewCredentialFromCredentialStorage 

func NewCredentialFromCredentialStorage(storage *types.CredentialStorage, height uint64, round uint32, step uint32) Credential

func (*Credential) LessThan 

func (c *Credential) LessThan(other *Credential) bool

func (*Credential) String 

func (c *Credential) String() string

type HandshakeData 

type HandshakeData struct {
	Version uint32
	Height  uint64
	Round   uint32
}

type HasProposalData 

type HasProposalData struct {
	Height uint64
	Round  uint32
	Proof  ed25519.VrfProof
	Value  common.Hash
}

func (*HasProposalData) String 

func (data *HasProposalData) String() string

type HasVoteData 

type HasVoteData struct {
	Address common.Address
	Height  uint64
	Round   uint32
	Step    uint32
}

func ToHasVote 

func ToHasVote(data *VoteData) *HasVoteData

func (*HasVoteData) String 

func (data *HasVoteData) String() string

type HeightState 

type HeightState struct {
	Height uint64 // readonly, do not need mutex
	Round  uint32 // modify by inner-thread，the other threads only read, do not need mutex
	Step   uint32 // only using in inner-thread, do not need mutex

	EmptyValue    common.Hash
	StartingValue common.Hash

	ProposalLeader map[uint32]*ProposalLeaderData // round => leader's proposal value message

	ReceivedProposalBlock map[string]*ProposalBlockData // Value => all received proposal data

	WaitingBlockForValue common.Hash
	WaitingBlockForRound uint32
	// contains filtered or unexported fields
}

type HeightVoteSet 

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

HeightVoteSet saves all votes for this Height

func NewHeightVoteSet 

func NewHeightVoteSet() *HeightVoteSet

NewHeightVoteSet makes a new object

func (*HeightVoteSet) AddVoteAndCount 

func (hvs *HeightVoteSet) AddVoteAndCount(vote *VoteData, threshold uint64) (added, potential, enough bool, err error)

AddVoteAndCheck adds and counts vote, added is true only if the vote value is not enough, enough is true only if the value is enough after added. So added && enough means the value is firstly enough. err will be set only if the vote is invalid. err should cause the peer removed.

func (*HeightVoteSet) EnsureRoundVoteSet 

func (hvs *HeightVoteSet) EnsureRoundVoteSet(round uint32) *RoundVoteSet

EnsureRoundVoteSet return the RoundVoteSet of round, create it if not exists

func (*HeightVoteSet) GetCertVoteStorage 

func (hvs *HeightVoteSet) GetCertVoteStorage(round uint32, value common.Hash) []*types.CertVoteStorage

func (*HeightVoteSet) GetCertVotesOfValue 

func (hvs *HeightVoteSet) GetCertVotesOfValue(round uint32, value common.Hash) []*VoteData

GetCertVotesOfValue returns cert votes for value in certain round

func (*HeightVoteSet) HasVote 

func (hvs *HeightVoteSet) HasVote(round uint32, step uint32, user common.Address) bool

HasVote returns true if user had voted in certain round and step

func (*HeightVoteSet) IsNextVoteEnoughForEmptyAtAnyStep 

func (hvs *HeightVoteSet) IsNextVoteEnoughForEmptyAtAnyStep(round uint32, empty common.Hash) bool

IsNextVoteEnoughForEmptyAtAnyStep returns if next vote is enough for empty

func (*HeightVoteSet) IsPotentialValue 

func (hvs *HeightVoteSet) IsPotentialValue(round uint32, value common.Hash) bool

func (*HeightVoteSet) IsSoftVoteEnoughForNonEmpty 

func (hvs *HeightVoteSet) IsSoftVoteEnoughForNonEmpty(empty common.Hash, round uint32) (bool, common.Hash)

IsSoftVoteEnoughForNonEmpty returns true with the value if some value's soft votes is enough in round

func (*HeightVoteSet) IsSoftVoteEnoughForNonEmptyForAnyRound 

func (hvs *HeightVoteSet) IsSoftVoteEnoughForNonEmptyForAnyRound(empty common.Hash) (bool, common.Hash)

IsSoftVoteEnoughForNonEmptyForAnyRound returns true with the value if some value's soft votes is enough in any round

func (*HeightVoteSet) RoundVoteSet 

func (hvs *HeightVoteSet) RoundVoteSet(round uint32) *RoundVoteSet

RoundVoteSet returns the RoundVoteSet of round, return nil if not exists

func (*HeightVoteSet) SetHasVote 

func (hvs *HeightVoteSet) SetHasVote(round uint32, step uint32, user common.Address)

SetHasVote sets we had received the vote for round and step by user

type JournalType 

type JournalType uint8
const (
	VoteJournalEntry    JournalType = 0
	TimeoutJournalEntry JournalType = 1
)

type MinerKey 

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

func NewEmptyMinerKey 

func NewEmptyMinerKey(config *params.AlgorandConfig) *MinerKey

func (*MinerKey) DecodeRLP 

func (mk *MinerKey) DecodeRLP(stream *rlp.Stream) error

func (*MinerKey) EncodeRLP 

func (mk *MinerKey) EncodeRLP(writer io.Writer) error

func (*MinerKey) Seed 

func (mk *MinerKey) Seed(height uint64, parentSeed ed25519.VrfOutput256, parentHash common.Hash) (seed ed25519.VrfOutput256, proof ed25519.VrfProof, err error)

func (*MinerKey) Sign 

func (mk *MinerKey) Sign(height uint64, data []byte) (sig ed25519.ForwardSecureSignature, err error)

func (*MinerKey) Sortition 

func (mk *MinerKey) Sortition(height uint64, round, step uint32, parentSeed ed25519.VrfOutput256, parentState *state.StateDB, totalBalanceOfMiners *big.Int) (hash ed25519.VrfOutput256, proof ed25519.VrfProof, j uint64, err error)

func (*MinerKey) ToVerifier 

func (mk *MinerKey) ToVerifier() *MinerVerifier

func (*MinerKey) Update 

func (mk *MinerKey) Update(height uint64) uint64

func (*MinerKey) Validate 

func (mk *MinerKey) Validate(height uint64) bool

type MinerKeyManager 

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

func NewMinerKeyManager 

func NewMinerKeyManager(config *params.AlgorandConfig, dataDir string) *MinerKeyManager

func (*MinerKeyManager) Generate 

func (mkm *MinerKeyManager) Generate(miner, coinbase common.Address, start uint64, lifespan uint32) (mv *MinerVerifier, mk *MinerKey, err error)

func (*MinerKeyManager) GetMinerKey 

func (mkm *MinerKeyManager) GetMinerKey(miner common.Address, height uint64) (*MinerKey, error)

func (*MinerKeyManager) StartUpdateRoutine 

func (mkm *MinerKeyManager) StartUpdateRoutine(bc *core.BlockChain)

type MinerVerifier 

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

func GetMinerVerifier 

func GetMinerVerifier(config *params.AlgorandConfig, statedb *state.StateDB, miner common.Address, height uint64) *MinerVerifier

func (*MinerVerifier) AbiString 

func (mv *MinerVerifier) AbiString() string

func (*MinerVerifier) Coinbase 

func (mv *MinerVerifier) Coinbase() common.Address

func (*MinerVerifier) GenesisString 

func (mv *MinerVerifier) GenesisString() string

func (*MinerVerifier) String 

func (mv *MinerVerifier) String() string

func (*MinerVerifier) Validate 

func (mv *MinerVerifier) Validate(height uint64) bool

func (*MinerVerifier) VerifySeed 

func (mv *MinerVerifier) VerifySeed(height uint64, parentSeed ed25519.VrfOutput256, parentHash common.Hash, seed ed25519.VrfOutput256, proof ed25519.VrfProof) error

func (*MinerVerifier) VerifySignature 

func (mv *MinerVerifier) VerifySignature(height uint64, data []byte, sig ed25519.ForwardSecureSignature) error

func (*MinerVerifier) VerifySortition 

func (mv *MinerVerifier) VerifySortition(height uint64, round, step uint32, proof ed25519.VrfProof, parentSeed ed25519.VrfOutput256, parentState *state.StateDB, totalBalanceOfMiners *big.Int) (err error, j uint64)

type ProposalBlockData 

type ProposalBlockData struct {
	Block *types.Block

	ESignValue ed25519.ForwardSecureSignature
	Credential
}

func NewProposalBlockDataFromProposalStorage 

func NewProposalBlockDataFromProposalStorage(leader *types.ProposalStorage, block *types.Block) *ProposalBlockData

func (*ProposalBlockData) LessThan 

func (data *ProposalBlockData) LessThan(other *ProposalBlockData) bool

func (*ProposalBlockData) NewProposalLeaderData 

func (data *ProposalBlockData) NewProposalLeaderData() *ProposalLeaderData

func (*ProposalBlockData) SignBytes 

func (data *ProposalBlockData) SignBytes() []byte

func (*ProposalBlockData) String 

func (data *ProposalBlockData) String() string

func (*ProposalBlockData) ToHasProposalData 

func (data *ProposalBlockData) ToHasProposalData() *HasProposalData

func (*ProposalBlockData) ToProposalStorage 

func (data *ProposalBlockData) ToProposalStorage() types.ProposalStorage

func (*ProposalBlockData) Valid 

func (data *ProposalBlockData) Valid(height uint64) bool

type ProposalLeaderData 

type ProposalLeaderData struct {
	Value common.Hash

	ESignValue ed25519.ForwardSecureSignature
	Credential
}

func NewProposalLeaderDataFromStorage 

func NewProposalLeaderDataFromStorage(value common.Hash, height uint64, storage *types.ProposalStorage) *ProposalLeaderData

func (*ProposalLeaderData) LessThan 

func (data *ProposalLeaderData) LessThan(other *ProposalLeaderData) bool

func (*ProposalLeaderData) SignBytes 

func (data *ProposalLeaderData) SignBytes() []byte

func (*ProposalLeaderData) String 

func (data *ProposalLeaderData) String() string

func (*ProposalLeaderData) ToHasProposalData 

func (data *ProposalLeaderData) ToHasProposalData() *HasProposalData

func (*ProposalLeaderData) Valid 

func (data *ProposalLeaderData) Valid(height uint64) bool

type RoundVoteSet 

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

RoundVoteSet saves all votes for this round

func NewRoundVoteSet 

func NewRoundVoteSet() *RoundVoteSet

func NewRoundVoteSetFromCertificates 

func NewRoundVoteSetFromCertificates(votes []*VoteData, threshold uint64) *RoundVoteSet

func (*RoundVoteSet) AddVoteAndCount 

func (rvs *RoundVoteSet) AddVoteAndCount(vote *VoteData, threshold uint64) (added, newPotential, enough bool, err error)

enough表示此类投票是否已经出现+2/3的值了，目前在err==nil的情况下，与传入的值一样

func (*RoundVoteSet) GetCertMajorValue 

func (rvs *RoundVoteSet) GetCertMajorValue() common.Hash

func (*RoundVoteSet) GetCertVotesOfValue 

func (rvs *RoundVoteSet) GetCertVotesOfValue(value common.Hash) []*VoteData

GetCertVotesOfValue returns cert votes of value

func (*RoundVoteSet) GetPotentialCertifiedValues 

func (rvs *RoundVoteSet) GetPotentialCertifiedValues() []common.Hash

func (*RoundVoteSet) GetPotentialSoftedValues 

func (rvs *RoundVoteSet) GetPotentialSoftedValues() []common.Hash

func (*RoundVoteSet) GetSoftMajorValue 

func (rvs *RoundVoteSet) GetSoftMajorValue() common.Hash

func (*RoundVoteSet) HasPotentialValue 

func (rvs *RoundVoteSet) HasPotentialValue(value common.Hash) bool

func (*RoundVoteSet) HasVote 

func (rvs *RoundVoteSet) HasVote(step uint32, user common.Address) bool

func (*RoundVoteSet) IsNextVoteEnoughForEmptyAtAnyStep 

func (rvs *RoundVoteSet) IsNextVoteEnoughForEmptyAtAnyStep(empty common.Hash) bool

func (*RoundVoteSet) PickNextVoteToSend 

func (rvs *RoundVoteSet) PickNextVoteToSend(other *RoundVoteSet) *VoteData

func (*RoundVoteSet) PickVoteToSend 

func (rvs *RoundVoteSet) PickVoteToSend(other *RoundVoteSet) *VoteData

func (*RoundVoteSet) SetHasVote 

func (rvs *RoundVoteSet) SetHasVote(step uint32, user common.Address)

type Snapshot 

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

func (*Snapshot) Copy 

func (s *Snapshot) Copy() *snapshotBlockState

type State 

type State interface {
	SetContext(c *Context)
	OnEnter()
	OnExit()
	OnTimeout()
	OnPotentialVoteEnough(value common.Hash, round uint32, step uint32)
	OnSoftVoteEnough(value common.Hash, round uint32)
	OnCertVoteEnough(value common.Hash, round uint32) StateEvent
	OnNextVoteEnough(value common.Hash, round uint32, step uint32) StateEvent
	OnProposalLeaderReceived(value *ProposalLeaderData)
	OnProposalDataComplete(data *ProposalBlockData) StateEvent
	String() string
}

State defines interfaces of state

type StateBase 

type StateBase struct {
	*Context
	// contains filtered or unexported fields
}

StateBase is the base of all states

func (*StateBase) OnCertVoteEnough 

func (s *StateBase) OnCertVoteEnough(value common.Hash, round uint32) StateEvent

func (*StateBase) OnEnter 

func (s *StateBase) OnEnter()

func (*StateBase) OnExit 

func (s *StateBase) OnExit()

func (*StateBase) OnNextVoteEnough 

func (s *StateBase) OnNextVoteEnough(value common.Hash, round uint32, step uint32) StateEvent

func (*StateBase) OnPotentialVoteEnough 

func (s *StateBase) OnPotentialVoteEnough(value common.Hash, round, step uint32)

func (*StateBase) OnProposalDataComplete 

func (s *StateBase) OnProposalDataComplete(data *ProposalBlockData) StateEvent

func (*StateBase) OnProposalLeaderReceived 

func (s *StateBase) OnProposalLeaderReceived(value *ProposalLeaderData)

ProposalValue only accept in Step 1. 一旦Step1结束了，leader就确定了，也就无需再处理本轮的其它ProposalValue了。 同时，确保了在Step 2/3/... 期间传播ProposalData是最终leader的data。 这样，就确保了传播出某个Value的SoftVote的节点，一定能传播出对应于该值的Data。

func (*StateBase) OnSoftVoteEnough 

func (s *StateBase) OnSoftVoteEnough(value common.Hash, round uint32)

func (*StateBase) OnTimeout 

func (s *StateBase) OnTimeout()

func (*StateBase) SetContext 

func (s *StateBase) SetContext(c *Context)

func (*StateBase) String 

func (s *StateBase) String() string

type StateCertifying 

type StateCertifying struct {
	StateBase
	// contains filtered or unexported fields
}

StateCertifying try to send cert vote

func (*StateCertifying) OnEnter 

func (s *StateCertifying) OnEnter()

func (*StateCertifying) OnExit 

func (s *StateCertifying) OnExit()

func (*StateCertifying) OnProposalDataComplete 

func (s *StateCertifying) OnProposalDataComplete(data *ProposalBlockData) StateEvent

func (*StateCertifying) OnSoftVoteEnough 

func (s *StateCertifying) OnSoftVoteEnough(value common.Hash, round uint32)

func (*StateCertifying) OnTimeout 

func (s *StateCertifying) OnTimeout()

func (*StateCertifying) String 

func (s *StateCertifying) String() string

type StateEvent 

type StateEvent int
const (
	Unchanged StateEvent = 0
	NewRound  StateEvent = 1
	HeightEnd StateEvent = 2
)

func (StateEvent) IsChanged 

func (se StateEvent) IsChanged() bool

type StateFiltering 

type StateFiltering struct {
	StateBase
}

StateFiltering sends soft vote

func (*StateFiltering) OnEnter 

func (s *StateFiltering) OnEnter()

func (*StateFiltering) String 

func (s *StateFiltering) String() string

type StateFirstFinishing 

type StateFirstFinishing struct {
	StateBase
}

func (*StateFirstFinishing) OnEnter 

func (s *StateFirstFinishing) OnEnter()

func (*StateFirstFinishing) String 

func (s *StateFirstFinishing) String() string

type StateNewHeight 

type StateNewHeight struct {
	StateBase
	// contains filtered or unexported fields
}

StateNewHeight is the first state of each Height

func (*StateNewHeight) OnEnter 

func (s *StateNewHeight) OnEnter()

OnEnter initializes context for new height

func (*StateNewHeight) String 

func (s *StateNewHeight) String() string

type StateProposal 

type StateProposal struct {
	StateBase
	// contains filtered or unexported fields
}

StateProposal is the first state of each Round

func (*StateProposal) OnEnter 

func (s *StateProposal) OnEnter()

OnEnter initializes for new Round, and proposes

func (*StateProposal) OnExit 

func (s *StateProposal) OnExit()

func (*StateProposal) OnTimeout 

func (s *StateProposal) OnTimeout()

func (*StateProposal) String 

func (s *StateProposal) String() string

type StateSecondFinishing 

type StateSecondFinishing struct {
	StateBase
	// contains filtered or unexported fields
}

func (*StateSecondFinishing) OnEnter 

func (s *StateSecondFinishing) OnEnter()

func (*StateSecondFinishing) OnExit 

func (s *StateSecondFinishing) OnExit()

func (*StateSecondFinishing) OnNextVoteEnough 

func (s *StateSecondFinishing) OnNextVoteEnough(value common.Hash, round uint32, step uint32) StateEvent

func (*StateSecondFinishing) OnProposalDataComplete 

func (s *StateSecondFinishing) OnProposalDataComplete(data *ProposalBlockData) StateEvent

func (*StateSecondFinishing) OnSoftVoteEnough 

func (s *StateSecondFinishing) OnSoftVoteEnough(value common.Hash, round uint32)

func (*StateSecondFinishing) OnTimeout 

func (s *StateSecondFinishing) OnTimeout()

func (*StateSecondFinishing) String 

func (s *StateSecondFinishing) String() string

type StatusData 

type StatusData struct {
	Height uint64
	Round  uint32
}

type StepVoteSet 

type StepVoteSet struct {
	Values         map[string]*VoteSet // value => value info
	MajorValue     common.Hash         // the major value reached 2/3+ (2t+1)
	PotentialValue []common.Hash       // the potential values reached 1/3+ (t+1), maybe more than one
	// contains filtered or unexported fields
}

StepVoteSet saves all votes for each step

func NewStepVoteSet 

func NewStepVoteSet() *StepVoteSet

func (*StepVoteSet) RandomNotIn 

func (svs *StepVoteSet) RandomNotIn(other *StepVoteSet) *VoteData

type TimeoutInfo 

type TimeoutInfo struct {
	Duration uint64 `json:"duration"`
	Height   uint64 `json:"height"`
	Round    uint32 `json:"round"`
	Step     uint32 `json:"step"`
}

internally generated messages which may update the state

func (*TimeoutInfo) String 

func (ti *TimeoutInfo) String() string

type TimeoutTicker 

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

NewTimeoutTicker returns a new TimeoutTicker.

type UserSet 

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

UserSet

func (*UserSet) Add 

func (us *UserSet) Add(user common.Address)

func (*UserSet) Has 

func (us *UserSet) Has(user common.Address) bool

type VoteData 

type VoteData struct {
	Value      common.Hash                    `json:"value" gencodec:"required"`
	ESignValue ed25519.ForwardSecureSignature `json:"eSignature" gencodec:"required"`

	Credential `json:"credential" gencodec:"required"`
}

Vote represents votes produced by committee members

func NewVoteDataFromCertVoteStorage 

func NewVoteDataFromCertVoteStorage(storage *types.CertVoteStorage, height uint64, round uint32, value common.Hash) *VoteData

func RandomSelect 

func RandomSelect(from []*VoteData) *VoteData

func (*VoteData) SignBytes 

func (data *VoteData) SignBytes() []byte

func (*VoteData) String 

func (data *VoteData) String() string

func (*VoteData) Valid 

func (data *VoteData) Valid(height uint64, emptyValue common.Hash) bool

type VoteJournal 

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

func NewVoteJournal 

func NewVoteJournal(path string) *VoteJournal

func (*VoteJournal) CloseFile 

func (j *VoteJournal) CloseFile() error

func (*VoteJournal) OpenFile 

func (j *VoteJournal) OpenFile() error

func (*VoteJournal) Read 

func (j *VoteJournal) Read(load func(ts, code uint64, data interface{}, from string) error) error

func (*VoteJournal) Write 

func (j *VoteJournal) Write(code uint64, data interface{}, from string) error

type VoteSet 

type VoteSet struct {
	Weight uint64 // sum of all voter's weight
	Votes  []*VoteData
}

VoteSet stores the value info for same value by same vote type in same round

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