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125d022518
* Rename p *Balance and some Balance vars * Rename more * Fix comments * Fix typo * Forgot a rename
42 lines
1.5 KiB
Go
42 lines
1.5 KiB
Go
package precompute
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import (
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ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
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"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
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stateTrie "github.com/prysmaticlabs/prysm/beacon-chain/state"
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"github.com/prysmaticlabs/prysm/shared/mathutil"
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"github.com/prysmaticlabs/prysm/shared/params"
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)
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// ProcessSlashingsPrecompute processes the slashed validators during epoch processing.
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// This is an optimized version by passing in precomputed total epoch balances.
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func ProcessSlashingsPrecompute(state *stateTrie.BeaconState, pBal *Balance) error {
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currentEpoch := helpers.CurrentEpoch(state)
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exitLength := params.BeaconConfig().EpochsPerSlashingsVector
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// Compute the sum of state slashings
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slashings := state.Slashings()
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totalSlashing := uint64(0)
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for _, slashing := range slashings {
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totalSlashing += slashing
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}
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minSlashing := mathutil.Min(totalSlashing*3, pBal.ActiveCurrentEpoch)
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epochToWithdraw := currentEpoch + exitLength/2
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increment := params.BeaconConfig().EffectiveBalanceIncrement
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validatorFunc := func(idx int, val *ethpb.Validator) (bool, error) {
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correctEpoch := epochToWithdraw == val.WithdrawableEpoch
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if val.Slashed && correctEpoch {
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penaltyNumerator := val.EffectiveBalance / increment * minSlashing
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penalty := penaltyNumerator / pBal.ActiveCurrentEpoch * increment
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if err := helpers.DecreaseBalance(state, uint64(idx), penalty); err != nil {
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return false, err
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}
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return true, nil
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}
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return false, nil
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}
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return state.ApplyToEveryValidator(validatorFunc)
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}
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