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.
114 lines
2.8 KiB
114 lines
2.8 KiB
package types
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/tendermint/tendermint/crypto"
|
|
tmrand "github.com/tendermint/tendermint/libs/rand"
|
|
)
|
|
|
|
// Volatile state for each Validator
|
|
// NOTE: The ProposerPriority is not included in Validator.Hash();
|
|
// make sure to update that method if changes are made here
|
|
type Validator struct {
|
|
Address Address `json:"address"`
|
|
PubKey crypto.PubKey `json:"pub_key"`
|
|
VotingPower int64 `json:"voting_power"`
|
|
|
|
ProposerPriority int64 `json:"proposer_priority"`
|
|
}
|
|
|
|
func NewValidator(pubKey crypto.PubKey, votingPower int64) *Validator {
|
|
return &Validator{
|
|
Address: pubKey.Address(),
|
|
PubKey: pubKey,
|
|
VotingPower: votingPower,
|
|
ProposerPriority: 0,
|
|
}
|
|
}
|
|
|
|
// Creates a new copy of the validator so we can mutate ProposerPriority.
|
|
// Panics if the validator is nil.
|
|
func (v *Validator) Copy() *Validator {
|
|
vCopy := *v
|
|
return &vCopy
|
|
}
|
|
|
|
// Returns the one with higher ProposerPriority.
|
|
func (v *Validator) CompareProposerPriority(other *Validator) *Validator {
|
|
if v == nil {
|
|
return other
|
|
}
|
|
switch {
|
|
case v.ProposerPriority > other.ProposerPriority:
|
|
return v
|
|
case v.ProposerPriority < other.ProposerPriority:
|
|
return other
|
|
default:
|
|
result := bytes.Compare(v.Address, other.Address)
|
|
switch {
|
|
case result < 0:
|
|
return v
|
|
case result > 0:
|
|
return other
|
|
default:
|
|
panic("Cannot compare identical validators")
|
|
}
|
|
}
|
|
}
|
|
|
|
func (v *Validator) String() string {
|
|
if v == nil {
|
|
return "nil-Validator"
|
|
}
|
|
return fmt.Sprintf("Validator{%v %v VP:%v A:%v}",
|
|
v.Address,
|
|
v.PubKey,
|
|
v.VotingPower,
|
|
v.ProposerPriority)
|
|
}
|
|
|
|
// ValidatorListString returns a prettified validator list for logging purposes.
|
|
func ValidatorListString(vals []*Validator) string {
|
|
chunks := make([]string, len(vals))
|
|
for i, val := range vals {
|
|
chunks[i] = fmt.Sprintf("%s:%d", val.Address, val.VotingPower)
|
|
}
|
|
|
|
return strings.Join(chunks, ",")
|
|
}
|
|
|
|
// Bytes computes the unique encoding of a validator with a given voting power.
|
|
// These are the bytes that gets hashed in consensus. It excludes address
|
|
// as its redundant with the pubkey. This also excludes ProposerPriority
|
|
// which changes every round.
|
|
func (v *Validator) Bytes() []byte {
|
|
return cdcEncode(struct {
|
|
PubKey crypto.PubKey
|
|
VotingPower int64
|
|
}{
|
|
v.PubKey,
|
|
v.VotingPower,
|
|
})
|
|
}
|
|
|
|
//----------------------------------------
|
|
// RandValidator
|
|
|
|
// RandValidator returns a randomized validator, useful for testing.
|
|
// UNSTABLE
|
|
func RandValidator(randPower bool, minPower int64) (*Validator, PrivValidator) {
|
|
privVal := NewMockPV()
|
|
votePower := minPower
|
|
if randPower {
|
|
votePower += int64(tmrand.Uint32())
|
|
}
|
|
pubKey, err := privVal.GetPubKey()
|
|
if err != nil {
|
|
panic(fmt.Errorf("could not retrieve pubkey %w", err))
|
|
}
|
|
val := NewValidator(pubKey, votePower)
|
|
return val, privVal
|
|
}
|