prysm-pulse/beacon-chain/core/randao/randao.go

24 lines
705 B
Go

package randao
import (
"fmt"
"github.com/gogo/protobuf/proto"
v "github.com/prysmaticlabs/prysm/beacon-chain/core/validators"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
)
// UpdateRandaoLayers increments the randao layer of the block proposer at the given slot.
func UpdateRandaoLayers(state *pb.BeaconState, slot uint64) (*pb.BeaconState, error) {
newState := proto.Clone(state).(*pb.BeaconState)
vreg := newState.GetValidatorRegistry()
proposerIndex, err := v.BeaconProposerIndex(newState, slot)
if err != nil {
return nil, fmt.Errorf("unable to retrieve proposer index %v", err)
}
vreg[proposerIndex].RandaoLayers++
state.ValidatorRegistry = vreg
return newState, nil
}