protocols

package
v0.16.3 Latest Latest
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 Go to latest Published: Jan 26, 2022 License: GPL-3.0 Imports: 10 Imported by: 0

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Index

Constants

View Source 
const (
	CBFTStatusMsg           = 0x00 // Protocol messages belonging to cbft
	PrepareBlockMsg         = 0x01
	PrepareVoteMsg          = 0x02
	ViewChangeMsg           = 0x03
	GetPrepareBlockMsg      = 0x04
	GetBlockQuorumCertMsg   = 0x05
	BlockQuorumCertMsg      = 0x06
	GetPrepareVoteMsg       = 0x07
	PrepareVotesMsg         = 0x08
	GetQCBlockListMsg       = 0x09
	QCBlockListMsg          = 0x0a
	GetLatestStatusMsg      = 0x0b
	LatestStatusMsg         = 0x0c
	PrepareBlockHashMsg     = 0x0d
	GetViewChangeMsg        = 0x0e
	PingMsg                 = 0x0f
	PongMsg                 = 0x10
	ViewChangeQuorumCertMsg = 0x11
	ViewChangesMsg          = 0x12
)
View Source 
const (
	ConfirmedViewChangeMsg = 0x01
	SendViewChangeMsg      = 0x02
	SendPrepareBlockMsg    = 0x03
	SendPrepareVoteMsg     = 0x04
)
View Source 
const (
	CommitState = 0x05
	LockState   = 0x06
	QCState     = 0x07
)
View Source 
const CbftProtocolMaxMsgSize = 10 * 1024 * 1024

Maximum cap on the size of a cbft protocol message

View Source 
const DefaultAvgLatency = 100

Default average delay time (in milliseconds).

Variables

View Source 
var (
	WalMessages = []interface{}{
		ConfirmedViewChange{},
		SendViewChange{},
		SendPrepareBlock{},
		SendPrepareVote{},
	}
)

Functions

func MessageType 

func MessageType(msg interface{}) uint64

A is used to convert specific message types according to the message body. The program is forcibly terminated if there is an unmatched message type and all types must exist in the match list.

func WalMessageType 

func WalMessageType(msg interface{}) uint64

Types

type BlockQuorumCert 

type BlockQuorumCert struct {
	BlockQC *ctypes.QuorumCert `json:"qc"` // Block aggregation signature information.
	// contains filtered or unexported fields
}

Aggregate signature response message, representing aggregated signature information for a block.

func (*BlockQuorumCert) BHash 

func (s *BlockQuorumCert) BHash() common.Hash

func (*BlockQuorumCert) MsgHash 

func (s *BlockQuorumCert) MsgHash() common.Hash

func (*BlockQuorumCert) String 

func (s *BlockQuorumCert) String() string

type CbftStatusData 

type CbftStatusData struct {
	ProtocolVersion uint32      `json:"protocolVersion"` // CBFT protocol version number.
	QCBn            *big.Int    `json:"qcBn"`            // The highest local block number for collecting block signatures.
	QCBlock         common.Hash `json:"qcBlock"`         // The highest local block hash for collecting block signatures.
	LockBn          *big.Int    `json:"lockBn"`          // Locally locked block number.
	LockBlock       common.Hash `json:"lockBlock"`       // Locally locked block hash.
	CmtBn           *big.Int    `json:"cmtBn"`           // Locally submitted block number.
	CmtBlock        common.Hash `json:"cmtBlock"`        // Locally submitted block hash.
	// contains filtered or unexported fields
}

CbftStatusData implement Message and including status information about peer.

func (*CbftStatusData) BHash 

func (s *CbftStatusData) BHash() common.Hash

func (*CbftStatusData) MsgHash 

func (s *CbftStatusData) MsgHash() common.Hash

func (*CbftStatusData) String 

func (s *CbftStatusData) String() string

type ChainState 

type ChainState struct {
	Commit *State
	Lock   *State
	QC     []*State
}

ChainState indicates the latest consensus state.

func (*ChainState) String 

func (cs *ChainState) String() string

func (*ChainState) ValidChainState 

func (cs *ChainState) ValidChainState() bool

type ConfirmedViewChange 

type ConfirmedViewChange struct {
	Epoch        uint64
	ViewNumber   uint64
	Block        *types.Block
	QC           *ctypes.QuorumCert   `rlp:"nil"`
	ViewChangeQC *ctypes.ViewChangeQC `rlp:"nil"`
}

ConfirmedViewChange indicates the latest confirmed view.

func (*ConfirmedViewChange) String 

func (c *ConfirmedViewChange) String() string

type GetBlockQuorumCert 

type GetBlockQuorumCert struct {
	BlockHash   common.Hash `json:"blockHash"`   // The hash of the block to be acquired.
	BlockNumber uint64      `json:"blockNumber"` // The number of the block to be acquired.
	// contains filtered or unexported fields
}

GetBlockQuorumCert is the protocol message for obtaining an aggregated signature. todo: Need to determine the attribute field - ParentQC.

func (*GetBlockQuorumCert) BHash 

func (s *GetBlockQuorumCert) BHash() common.Hash

func (*GetBlockQuorumCert) MsgHash 

func (s *GetBlockQuorumCert) MsgHash() common.Hash

func (*GetBlockQuorumCert) String 

func (s *GetBlockQuorumCert) String() string

type GetLatestStatus 

type GetLatestStatus struct {
	BlockNumber  uint64             `json:"blockNumber"`           // QC Block height
	BlockHash    common.Hash        `json:"blockHash"`             // QC block hash
	QuorumCert   *ctypes.QuorumCert `json:"quorumCert" rlp:"nil"`  // QC quorumCert
	LBlockNumber uint64             `json:"lBlockNumber"`          // Locked block height
	LBlockHash   common.Hash        `json:"lBlockHash"`            // Locked block hash
	LQuorumCert  *ctypes.QuorumCert `json:"lQuorumCert" rlp:"nil"` // Locked quorumCert
	LogicType    uint64             `json:"logicType"`             // LogicType: 1 QCBn, 2 LockedBn, 3 CommitBn
	// contains filtered or unexported fields
}

State synchronization for nodes.

func (*GetLatestStatus) BHash 

func (s *GetLatestStatus) BHash() common.Hash

func (*GetLatestStatus) MsgHash 

func (s *GetLatestStatus) MsgHash() common.Hash

func (*GetLatestStatus) String 

func (s *GetLatestStatus) String() string

type GetPrepareBlock 

type GetPrepareBlock struct {
	Epoch      uint64
	ViewNumber uint64
	BlockIndex uint32
	// contains filtered or unexported fields
}

GetPrepareBlock is used to get the proposed block information.

func (*GetPrepareBlock) BHash 

func (s *GetPrepareBlock) BHash() common.Hash

func (*GetPrepareBlock) MsgHash 

func (s *GetPrepareBlock) MsgHash() common.Hash

func (*GetPrepareBlock) String 

func (s *GetPrepareBlock) String() string

type GetPrepareVote 

type GetPrepareVote struct {
	Epoch      uint64
	ViewNumber uint64
	BlockIndex uint32
	UnKnownSet *utils.BitArray
	// contains filtered or unexported fields
}

Message used to get block voting.

func (*GetPrepareVote) BHash 

func (s *GetPrepareVote) BHash() common.Hash

func (*GetPrepareVote) MsgHash 

func (s *GetPrepareVote) MsgHash() common.Hash

func (*GetPrepareVote) String 

func (s *GetPrepareVote) String() string

type GetQCBlockList 

type GetQCBlockList struct {
	BlockHash   common.Hash `json:"blockHash"`   // The hash to the block.
	BlockNumber uint64      `json:"blockNumber"` // The number corresponding to the block.
	// contains filtered or unexported fields
}

Used to get block information that has reached QC. Note: Get up to 3 blocks of data at a time.

func (*GetQCBlockList) BHash 

func (s *GetQCBlockList) BHash() common.Hash

func (*GetQCBlockList) MsgHash 

func (s *GetQCBlockList) MsgHash() common.Hash

func (*GetQCBlockList) String 

func (s *GetQCBlockList) String() string

type GetViewChange 

type GetViewChange struct {
	Epoch          uint64          `json:"epoch"`
	ViewNumber     uint64          `json:"viewNumber"`
	ViewChangeBits *utils.BitArray `json:"nodeIndexes"`
	// contains filtered or unexported fields
}

Used to actively request to get viewChange.

func (*GetViewChange) BHash 

func (s *GetViewChange) BHash() common.Hash

func (*GetViewChange) MsgHash 

func (s *GetViewChange) MsgHash() common.Hash

func (*GetViewChange) String 

func (s *GetViewChange) String() string

type LatestStatus 

type LatestStatus struct {
	BlockNumber  uint64             `json:"blockNumber"`           // QC Block height
	BlockHash    common.Hash        `json:"blockHash"`             // QC block hash
	QuorumCert   *ctypes.QuorumCert `json:"quorumCert" rlp:"nil"`  // QC quorumCert
	LBlockNumber uint64             `json:"lBlockNumber"`          // Locked block height
	LBlockHash   common.Hash        `json:"lBlockHash"`            // Locked block hash
	LQuorumCert  *ctypes.QuorumCert `json:"lQuorumCert" rlp:"nil"` // Locked quorumCert
	LogicType    uint64             `json:"logicType"`             // LogicType: 1 QCBn, 2 LockedBn, 3 CommitBn
	// contains filtered or unexported fields
}

Response message to GetLatestStatus request.

func (*LatestStatus) BHash 

func (s *LatestStatus) BHash() common.Hash

func (*LatestStatus) MsgHash 

func (s *LatestStatus) MsgHash() common.Hash

func (*LatestStatus) String 

func (s *LatestStatus) String() string

type Ping 

type Ping [1]string

For time detection.

func (*Ping) BHash 

func (s *Ping) BHash() common.Hash

func (*Ping) MsgHash 

func (s *Ping) MsgHash() common.Hash

func (*Ping) String 

func (s *Ping) String() string

type Pong 

type Pong [1]string

Response to ping.

func (*Pong) BHash 

func (s *Pong) BHash() common.Hash

func (*Pong) MsgHash 

func (s *Pong) MsgHash() common.Hash

func (*Pong) String 

func (s *Pong) String() string

type PrepareBlock 

type PrepareBlock struct {
	Epoch         uint64               `json:"epoch"`
	ViewNumber    uint64               `json:"viewNumber"`
	Block         *types.Block         `json:"blockHash"`
	BlockIndex    uint32               `json:"blockIndex"`             // The block number of the current ViewNumber proposal, 0....10
	ProposalIndex uint32               `json:"proposalIndex"`          // Proposer's index.
	PrepareQC     *ctypes.QuorumCert   `json:"prepareQC" rlp:"nil"`    // N-f aggregate signature
	ViewChangeQC  *ctypes.ViewChangeQC `json:"viewchangeQC" rlp:"nil"` // viewChange aggregate signature
	Signature     ctypes.Signature     `json:"signature"`              // PrepareBlock signature information
	// contains filtered or unexported fields
}

Proposed block carrier.

func (*PrepareBlock) BHash 

func (pb *PrepareBlock) BHash() common.Hash

func (*PrepareBlock) BlockNum 

func (pb *PrepareBlock) BlockNum() uint64

func (*PrepareBlock) CannibalizeBytes 

func (pb *PrepareBlock) CannibalizeBytes() ([]byte, error)

func (*PrepareBlock) EpochNum 

func (pb *PrepareBlock) EpochNum() uint64

func (*PrepareBlock) MsgHash 

func (pb *PrepareBlock) MsgHash() common.Hash

func (*PrepareBlock) NodeIndex 

func (pb *PrepareBlock) NodeIndex() uint32

func (*PrepareBlock) SetSign 

func (pb *PrepareBlock) SetSign(sign []byte)

func (*PrepareBlock) Sign 

func (pb *PrepareBlock) Sign() []byte

func (*PrepareBlock) String 

func (pb *PrepareBlock) String() string

func (*PrepareBlock) ViewNum 

func (pb *PrepareBlock) ViewNum() uint64

type PrepareBlockHash 

type PrepareBlockHash struct {
	Epoch       uint64
	ViewNumber  uint64
	BlockIndex  uint32
	BlockHash   common.Hash
	BlockNumber uint64
	// contains filtered or unexported fields
}

Represents the hash of the proposed block for secondary propagation.

func (*PrepareBlockHash) BHash 

func (s *PrepareBlockHash) BHash() common.Hash

func (*PrepareBlockHash) MsgHash 

func (s *PrepareBlockHash) MsgHash() common.Hash

func (*PrepareBlockHash) String 

func (s *PrepareBlockHash) String() string

type PrepareVote 

type PrepareVote struct {
	Epoch          uint64             `json:"epoch"`
	ViewNumber     uint64             `json:"viewNumber"`
	BlockHash      common.Hash        `json:"blockHash"`
	BlockNumber    uint64             `json:"blockNumber"`
	BlockIndex     uint32             `json:"blockIndex"` // The block number of the current ViewNumber proposal, 0....10
	ValidatorIndex uint32             `json:"validatorIndex"`
	ParentQC       *ctypes.QuorumCert `json:"parentQC" rlp:"nil"`
	Signature      ctypes.Signature   `json:"signature"`
	// contains filtered or unexported fields
}

Removed the validator address, index. Mainly to ensure that the signature hash of the aggregate signature is consistent.

func (*PrepareVote) BHash 

func (pv *PrepareVote) BHash() common.Hash

func (*PrepareVote) BlockNum 

func (pv *PrepareVote) BlockNum() uint64

func (*PrepareVote) CannibalizeBytes 

func (pv *PrepareVote) CannibalizeBytes() ([]byte, error)

func (*PrepareVote) EpochNum 

func (pv *PrepareVote) EpochNum() uint64

func (*PrepareVote) EqualState 

func (pv *PrepareVote) EqualState(vote *PrepareVote) bool

func (*PrepareVote) MsgHash 

func (pv *PrepareVote) MsgHash() common.Hash

func (*PrepareVote) NodeIndex 

func (pv *PrepareVote) NodeIndex() uint32

func (*PrepareVote) SetSign 

func (pv *PrepareVote) SetSign(sign []byte)

func (*PrepareVote) Sign 

func (pv *PrepareVote) Sign() []byte

func (*PrepareVote) String 

func (pv *PrepareVote) String() string

func (*PrepareVote) ViewNum 

func (pv *PrepareVote) ViewNum() uint64

type PrepareVotes 

type PrepareVotes struct {
	Epoch      uint64
	ViewNumber uint64
	BlockIndex uint32
	Votes      []*PrepareVote // Block voting set.
	// contains filtered or unexported fields
}

Message used to respond to the number of block votes.

func (*PrepareVotes) BHash 

func (s *PrepareVotes) BHash() common.Hash

func (*PrepareVotes) MsgHash 

func (s *PrepareVotes) MsgHash() common.Hash

func (*PrepareVotes) String 

func (s *PrepareVotes) String() string

type QCBlockList 

type QCBlockList struct {
	QC           []*ctypes.QuorumCert
	Blocks       []*types.Block
	ForkedQC     []*ctypes.QuorumCert
	ForkedBlocks []*types.Block
	// contains filtered or unexported fields
}

CBFT synchronize blocks that have reached qc.

func (*QCBlockList) BHash 

func (s *QCBlockList) BHash() common.Hash

func (*QCBlockList) MsgHash 

func (s *QCBlockList) MsgHash() common.Hash

func (*QCBlockList) String 

func (s *QCBlockList) String() string

type SendPrepareBlock 

type SendPrepareBlock struct {
	Prepare *PrepareBlock
}

SendPrepareBlock indicates the prepareBlock sent by the local node.

func (SendPrepareBlock) BlockNumber 

func (s SendPrepareBlock) BlockNumber() uint64

func (SendPrepareBlock) Epoch 

func (s SendPrepareBlock) Epoch() uint64

func (*SendPrepareBlock) String 

func (s *SendPrepareBlock) String() string

func (SendPrepareBlock) ViewNumber 

func (s SendPrepareBlock) ViewNumber() uint64

type SendPrepareVote 

type SendPrepareVote struct {
	Block *types.Block
	Vote  *PrepareVote
}

SendPrepareVote indicates the prepareVote sent by the local node.

func (SendPrepareVote) BlockNumber 

func (s SendPrepareVote) BlockNumber() uint64

func (SendPrepareVote) Epoch 

func (s SendPrepareVote) Epoch() uint64

func (*SendPrepareVote) String 

func (s *SendPrepareVote) String() string

func (SendPrepareVote) ViewNumber 

func (s SendPrepareVote) ViewNumber() uint64

type SendViewChange 

type SendViewChange struct {
	ViewChange *ViewChange
}

SendViewChange indicates the viewChange sent by the local node.

func (SendViewChange) BlockNumber 

func (s SendViewChange) BlockNumber() uint64

func (SendViewChange) Epoch 

func (s SendViewChange) Epoch() uint64

func (*SendViewChange) String 

func (s *SendViewChange) String() string

func (SendViewChange) ViewNumber 

func (s SendViewChange) ViewNumber() uint64

type State 

type State struct {
	Block      *types.Block
	QuorumCert *ctypes.QuorumCert
}

func (*State) EqualState 

func (s *State) EqualState(c *State) bool

func (*State) String 

func (s *State) String() string

func (*State) ValidState 

func (s *State) ValidState() bool

type ViewChange 

type ViewChange struct {
	Epoch          uint64             `json:"epoch"`
	ViewNumber     uint64             `json:"viewNumber"`
	BlockHash      common.Hash        `json:"blockHash"`
	BlockNumber    uint64             `json:"blockNumber"`
	ValidatorIndex uint32             `json:"validatorIndex"`
	PrepareQC      *ctypes.QuorumCert `json:"prepareQC" rlp:"nil"`
	Signature      ctypes.Signature   `json:"signature"`
	// contains filtered or unexported fields
}

ViewChange is message structure for view switching.

func (*ViewChange) BHash 

func (vc *ViewChange) BHash() common.Hash

func (*ViewChange) BlockNum 

func (vc *ViewChange) BlockNum() uint64

func (*ViewChange) CannibalizeBytes 

func (vc *ViewChange) CannibalizeBytes() ([]byte, error)

func (*ViewChange) EpochNum 

func (vc *ViewChange) EpochNum() uint64

func (*ViewChange) MsgHash 

func (vc *ViewChange) MsgHash() common.Hash

func (*ViewChange) NodeIndex 

func (vc *ViewChange) NodeIndex() uint32

func (*ViewChange) SetSign 

func (vc *ViewChange) SetSign(sign []byte)

func (*ViewChange) Sign 

func (vc *ViewChange) Sign() []byte

func (*ViewChange) String 

func (vc *ViewChange) String() string

func (*ViewChange) ViewNum 

func (vc *ViewChange) ViewNum() uint64

type ViewChangeQuorumCert 

type ViewChangeQuorumCert struct {
	ViewChangeQC        *ctypes.ViewChangeQC `json:"viewchangeQC"`                  // viewChange aggregate signature
	HighestViewChangeQC *ctypes.ViewChangeQC `json:"highestViewChangeQC" rlp:"nil"` // the highest viewChangeQC of current epoch
	// contains filtered or unexported fields
}

func (*ViewChangeQuorumCert) BHash 

func (v *ViewChangeQuorumCert) BHash() common.Hash

func (*ViewChangeQuorumCert) MsgHash 

func (v *ViewChangeQuorumCert) MsgHash() common.Hash

func (*ViewChangeQuorumCert) String 

func (v *ViewChangeQuorumCert) String() string

type ViewChanges 

type ViewChanges struct {
	VCs []*ViewChange
	// contains filtered or unexported fields
}

func (ViewChanges) BHash 

func (ViewChanges) BHash() common.Hash

func (ViewChanges) MsgHash 

func (v ViewChanges) MsgHash() common.Hash

func (ViewChanges) String 

func (v ViewChanges) String() string

type WalMsg 

type WalMsg interface {
	Epoch() uint64
	ViewNumber() uint64
	BlockNumber() uint64
}

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