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aedd38092f
* Implemented ProcessSlashingsPrecompute * Tests for ProcessSlashingsPrecompute * Gaz * Lint * Removed comment
35 lines
1.3 KiB
Go
35 lines
1.3 KiB
Go
package precompute
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import (
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"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
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pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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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 *pb.BeaconState, p *Balance) *pb.BeaconState {
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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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totalSlashing := uint64(0)
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for _, slashing := range state.Slashings {
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totalSlashing += slashing
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}
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// Compute slashing for each validator.
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for index, validator := range state.Validators {
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correctEpoch := (currentEpoch + exitLength/2) == validator.WithdrawableEpoch
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if validator.Slashed && correctEpoch {
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minSlashing := mathutil.Min(totalSlashing*3, p.CurrentEpoch)
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increment := params.BeaconConfig().EffectiveBalanceIncrement
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penaltyNumerator := validator.EffectiveBalance / increment * minSlashing
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penalty := penaltyNumerator / p.CurrentEpoch * increment
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state = helpers.DecreaseBalance(state, uint64(index), penalty)
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}
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}
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return state
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}
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