mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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463cd58171
* implemented process pentalties and exit logic * tests * add MaxWithdrawalsPerEpoch to config * preston's feedback, replaced index with idx * s/e/penalizedEpoch * removed blank line
34 lines
1.2 KiB
Go
34 lines
1.2 KiB
Go
// Package randao contains libraries to update and proposer's RANDAO layer
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// and mixes the RANDAO with the existing RANDAO value in state.
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package randao
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import (
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"fmt"
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v "github.com/prysmaticlabs/prysm/beacon-chain/core/validators"
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pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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"github.com/prysmaticlabs/prysm/shared/params"
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)
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// UpdateRandaoLayers increments the randao layer of the block proposer at the given slot.
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func UpdateRandaoLayers(state *pb.BeaconState, slot uint64) (*pb.BeaconState, error) {
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vreg := state.ValidatorRegistry
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proposerIndex, err := v.BeaconProposerIdx(state, slot)
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if err != nil {
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return nil, fmt.Errorf("unable to retrieve proposer index %v", err)
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}
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vreg[proposerIndex].RandaoLayers++
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state.ValidatorRegistry = vreg
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return state, nil
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}
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// UpdateRandaoMixes sets the beacon state's latest randao mixes according to the latest
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// beacon slot.
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func UpdateRandaoMixes(state *pb.BeaconState) *pb.BeaconState {
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latestMixesLength := params.BeaconConfig().LatestRandaoMixesLength
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prevMixes := state.LatestRandaoMixesHash32S[(state.Slot-1)%latestMixesLength]
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state.LatestRandaoMixesHash32S[state.Slot%latestMixesLength] = prevMixes
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return state
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}
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