/
validator_map_handler.go
73 lines (64 loc) · 2.24 KB
/
validator_map_handler.go
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package stateutil
import (
"sync"
coreutils "github.com/prysmaticlabs/prysm/v4/beacon-chain/core/transition/stateutils"
fieldparams "github.com/prysmaticlabs/prysm/v4/config/fieldparams"
"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
ethpb "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
)
// ValidatorMapHandler is a container to hold the map and a reference tracker for how many
// states shared this.
type ValidatorMapHandler struct {
valIdxMap map[[fieldparams.BLSPubkeyLength]byte]primitives.ValidatorIndex
mapRef *Reference
*sync.RWMutex
}
// NewValMapHandler returns a new validator map handler.
func NewValMapHandler(vals []*ethpb.Validator) *ValidatorMapHandler {
return &ValidatorMapHandler{
valIdxMap: coreutils.ValidatorIndexMap(vals),
mapRef: &Reference{refs: 1},
RWMutex: new(sync.RWMutex),
}
}
// AddRef copies the whole map and returns a map handler with the copied map.
func (v *ValidatorMapHandler) AddRef() {
v.mapRef.AddRef()
}
// IsNil returns true if the underlying validator index map is nil.
func (v *ValidatorMapHandler) IsNil() bool {
return v.mapRef == nil || v.valIdxMap == nil
}
// Copy the whole map and returns a map handler with the copied map.
func (v *ValidatorMapHandler) Copy() *ValidatorMapHandler {
if v == nil || v.valIdxMap == nil {
return &ValidatorMapHandler{valIdxMap: map[[fieldparams.BLSPubkeyLength]byte]primitives.ValidatorIndex{}, mapRef: new(Reference), RWMutex: new(sync.RWMutex)}
}
v.RLock()
defer v.RUnlock()
m := make(map[[fieldparams.BLSPubkeyLength]byte]primitives.ValidatorIndex, len(v.valIdxMap))
for k, v := range v.valIdxMap {
m[k] = v
}
return &ValidatorMapHandler{
valIdxMap: m,
mapRef: &Reference{refs: 1},
RWMutex: new(sync.RWMutex),
}
}
// Get the validator index using the corresponding public key.
func (v *ValidatorMapHandler) Get(key [fieldparams.BLSPubkeyLength]byte) (primitives.ValidatorIndex, bool) {
v.RLock()
defer v.RUnlock()
idx, ok := v.valIdxMap[key]
if !ok {
return 0, false
}
return idx, true
}
// Set the validator index using the corresponding public key.
func (v *ValidatorMapHandler) Set(key [fieldparams.BLSPubkeyLength]byte, index primitives.ValidatorIndex) {
v.Lock()
defer v.Unlock()
v.valIdxMap[key] = index
}