You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.2 KiB
90 lines
2.2 KiB
package types
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
|
|
"github.com/tendermint/go-crypto"
|
|
"github.com/tendermint/go-wire"
|
|
"github.com/tendermint/go-wire/data"
|
|
cmn "github.com/tendermint/tmlibs/common"
|
|
)
|
|
|
|
var (
|
|
ErrVoteUnexpectedStep = errors.New("Unexpected step")
|
|
ErrVoteInvalidValidatorIndex = errors.New("Invalid validator index")
|
|
ErrVoteInvalidValidatorAddress = errors.New("Invalid validator address")
|
|
ErrVoteInvalidSignature = errors.New("Invalid signature")
|
|
ErrVoteInvalidBlockHash = errors.New("Invalid block hash")
|
|
)
|
|
|
|
type ErrVoteConflictingVotes struct {
|
|
VoteA *Vote
|
|
VoteB *Vote
|
|
}
|
|
|
|
func (err *ErrVoteConflictingVotes) Error() string {
|
|
return "Conflicting votes"
|
|
}
|
|
|
|
// Types of votes
|
|
// TODO Make a new type "VoteType"
|
|
const (
|
|
VoteTypePrevote = byte(0x01)
|
|
VoteTypePrecommit = byte(0x02)
|
|
)
|
|
|
|
func IsVoteTypeValid(type_ byte) bool {
|
|
switch type_ {
|
|
case VoteTypePrevote:
|
|
return true
|
|
case VoteTypePrecommit:
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
// Represents a prevote, precommit, or commit vote from validators for consensus.
|
|
type Vote struct {
|
|
ValidatorAddress data.Bytes `json:"validator_address"`
|
|
ValidatorIndex int `json:"validator_index"`
|
|
Height int `json:"height"`
|
|
Round int `json:"round"`
|
|
Type byte `json:"type"`
|
|
BlockID BlockID `json:"block_id"` // zero if vote is nil.
|
|
Signature crypto.Signature `json:"signature"`
|
|
}
|
|
|
|
func (vote *Vote) WriteSignBytes(chainID string, w io.Writer, n *int, err *error) {
|
|
wire.WriteJSON(CanonicalJSONOnceVote{
|
|
chainID,
|
|
CanonicalVote(vote),
|
|
}, w, n, err)
|
|
}
|
|
|
|
func (vote *Vote) Copy() *Vote {
|
|
voteCopy := *vote
|
|
return &voteCopy
|
|
}
|
|
|
|
func (vote *Vote) String() string {
|
|
if vote == nil {
|
|
return "nil-Vote"
|
|
}
|
|
var typeString string
|
|
switch vote.Type {
|
|
case VoteTypePrevote:
|
|
typeString = "Prevote"
|
|
case VoteTypePrecommit:
|
|
typeString = "Precommit"
|
|
default:
|
|
cmn.PanicSanity("Unknown vote type")
|
|
}
|
|
|
|
return fmt.Sprintf("Vote{%v:%X %v/%02d/%v(%v) %X %v}",
|
|
vote.ValidatorIndex, cmn.Fingerprint(vote.ValidatorAddress),
|
|
vote.Height, vote.Round, vote.Type, typeString,
|
|
cmn.Fingerprint(vote.BlockID.Hash), vote.Signature)
|
|
}
|