core

Documentation

Index

• func New(backend istanbul.Backend, config *istanbul.Config) istanbul.Core
• func PrepareCommittedSeal(header *types.Header, round uint32) []byte
• type Request
• type State
  • func (s State) Cmp(y State) int
  • func (s State) String() string
• type Subject
  • func (b *Subject) String() string

Functions

func New

func New(backend istanbul.Backend, config *istanbul.Config) istanbul.Core

New creates an Istanbul consensus core

func PrepareCommittedSeal

func PrepareCommittedSeal(header *types.Header, round uint32) []byte

PrepareCommittedSeal returns a committed seal for the given header and takes current round under consideration

Types

type Request

type Request struct {
	Proposal        istanbul.Proposal
	RCMessages      *qbftMsgSet
	PrepareMessages []*qbfttypes.Prepare
}

Request is used to construct a Preprepare message

type State

type State uint64

const (
	StateAcceptRequest State = iota
	StatePreprepared
	StatePrepared
	StateCommitted
)

func (State) Cmp

func (s State) Cmp(y State) int

Cmp compares s and y and returns:

-1 if s is the previous state of y
 0 if s and y are the same state
+1 if s is the next state of y

func (State) String

func (s State) String() string

type Subject

type Subject struct {
	View   *istanbul.View
	Digest common.Hash
}

Subject represents the message sent when msgPrepare and msgCommit is broadcasted

func (*Subject) String

func (b *Subject) String() string