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package types
import (
"bytes"
"fmt"
"io"
. "github.com/tendermint/go-common"
"github.com/tendermint/go-crypto"
"github.com/tendermint/go-wire"
)
// Volatile state for each Validator
// Also persisted with the state, but fields change
// every height|round so they don't go in merkle.Tree
type Validator struct {
Address []byte `json:"address"`
PubKey crypto.PubKey `json:"pub_key"`
LastCommitHeight int `json:"last_commit_height"`
VotingPower int64 `json:"voting_power"`
Accum int64 `json:"accum"`
}
// Creates a new copy of the validator so we can mutate accum.
// Panics if the validator is nil.
func (v *Validator) Copy() *Validator {
vCopy := *v
return &vCopy
}
// Returns the one with higher Accum.
func (v *Validator) CompareAccum(other *Validator) *Validator {
if v == nil {
return other
}
if v.Accum > other.Accum {
return v
} else if v.Accum < other.Accum {
return other
} else {
if bytes.Compare(v.Address, other.Address) < 0 {
return v
} else if bytes.Compare(v.Address, other.Address) > 0 {
return other
} else {
PanicSanity("Cannot compare identical validators")
return nil
}
}
}
func (v *Validator) String() string {
if v == nil {
return "nil-Validator"
}
return fmt.Sprintf("Validator{%X %v %v VP:%v A:%v}",
v.Address,
v.PubKey,
v.LastCommitHeight,
v.VotingPower,
v.Accum)
}
func (v *Validator) Hash() []byte {
return wire.BinaryRipemd160(v)
}
//-------------------------------------
var ValidatorCodec = validatorCodec{}
type validatorCodec struct{}
func (vc validatorCodec) Encode(o interface{}, w io.Writer, n *int, err *error) {
wire.WriteBinary(o.(*Validator), w, n, err)
}
func (vc validatorCodec) Decode(r io.Reader, n *int, err *error) interface{} {
return wire.ReadBinary(&Validator{}, r, 0, n, err)
}
func (vc validatorCodec) Compare(o1 interface{}, o2 interface{}) int {
PanicSanity("ValidatorCodec.Compare not implemented")
return 0
}