tendermint/state/validator.go

120 lines
2.6 KiB
Go

package state
import (
"bytes"
"fmt"
"io"
. "github.com/tendermint/tendermint/account"
. "github.com/tendermint/tendermint/binary"
. "github.com/tendermint/tendermint/block"
)
// Persistent static data for each Validator
type ValidatorInfo struct {
Address []byte
PubKey PubKeyEd25519
UnbondTo []*TxOutput
FirstBondHeight uint
FirstBondAmount uint64
// If destroyed:
DestroyedHeight uint
DestroyedAmount uint64
// If released:
ReleasedHeight uint
}
func (valInfo *ValidatorInfo) Copy() *ValidatorInfo {
valInfoCopy := *valInfo
return &valInfoCopy
}
func ValidatorInfoEncoder(o interface{}, w io.Writer, n *int64, err *error) {
WriteBinary(o.(*ValidatorInfo), w, n, err)
}
func ValidatorInfoDecoder(r io.Reader, n *int64, err *error) interface{} {
return ReadBinary(&ValidatorInfo{}, r, n, err)
}
var ValidatorInfoCodec = Codec{
Encode: ValidatorInfoEncoder,
Decode: ValidatorInfoDecoder,
}
//-----------------------------------------------------------------------------
// 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
PubKey PubKeyEd25519
BondHeight uint
UnbondHeight uint
LastCommitHeight uint
VotingPower uint64
Accum int64
}
// Creates a new copy of the validator so we can mutate accum.
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 {
panic("Cannot compare identical validators")
}
}
}
func (v *Validator) String() string {
return fmt.Sprintf("Validator{%X %v %v-%v-%v VP:%v A:%v}",
v.Address,
v.PubKey,
v.BondHeight,
v.LastCommitHeight,
v.UnbondHeight,
v.VotingPower,
v.Accum)
}
func (v *Validator) Hash() []byte {
return BinarySha256(v)
}
//-------------------------------------
var ValidatorCodec = validatorCodec{}
type validatorCodec struct{}
func (vc validatorCodec) Encode(o interface{}, w io.Writer, n *int64, err *error) {
WriteBinary(o.(*Validator), w, n, err)
}
func (vc validatorCodec) Decode(r io.Reader, n *int64, err *error) interface{} {
return ReadBinary(&Validator{}, r, n, err)
}
func (vc validatorCodec) Compare(o1 interface{}, o2 interface{}) int {
panic("ValidatorCodec.Compare not implemented")
}