mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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5569a68452
* Value assigned to a variable is never read before being overwritten * The result of append is not used anywhere * Suspicious assignment of range-loop vars detected * Unused method receiver detected * Revert "Auxiliary commit to revert individual files from 54edcb445484a2e5d79612e19af8e949b8861253" This reverts commit bbd1e1beabf7b0c5cfc4f514dcc820062ad6c063. * Method modifies receiver * Fix test * Duplicate imports detected * Incorrectly formatted error string * Types of function parameters can be combined * One more "Unused method receiver detected" * Unused parameter detected in function
60 lines
2.1 KiB
Go
60 lines
2.1 KiB
Go
// Package precompute provides gathering of nicely-structured
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// data important to feed into epoch processing, such as attesting
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// records and balances, for faster computation.
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package precompute
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import (
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"context"
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"github.com/pkg/errors"
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"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
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"github.com/prysmaticlabs/prysm/beacon-chain/core/time"
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"github.com/prysmaticlabs/prysm/beacon-chain/state"
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"github.com/prysmaticlabs/prysm/config/params"
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"go.opencensus.io/trace"
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)
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// New gets called at the beginning of process epoch cycle to return
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// pre computed instances of validators attesting records and total
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// balances attested in an epoch.
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func New(ctx context.Context, s state.BeaconState) ([]*Validator, *Balance, error) {
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_, span := trace.StartSpan(ctx, "precomputeEpoch.New")
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defer span.End()
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pValidators := make([]*Validator, s.NumValidators())
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pBal := &Balance{}
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currentEpoch := time.CurrentEpoch(s)
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prevEpoch := time.PrevEpoch(s)
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if err := s.ReadFromEveryValidator(func(idx int, val state.ReadOnlyValidator) error {
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// Was validator withdrawable or slashed
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withdrawable := prevEpoch+1 >= val.WithdrawableEpoch()
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pVal := &Validator{
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IsSlashed: val.Slashed(),
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IsWithdrawableCurrentEpoch: withdrawable,
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CurrentEpochEffectiveBalance: val.EffectiveBalance(),
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}
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// Was validator active current epoch
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if helpers.IsActiveValidatorUsingTrie(val, currentEpoch) {
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pVal.IsActiveCurrentEpoch = true
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pBal.ActiveCurrentEpoch += val.EffectiveBalance()
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}
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// Was validator active previous epoch
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if helpers.IsActiveValidatorUsingTrie(val, prevEpoch) {
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pVal.IsActivePrevEpoch = true
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pBal.ActivePrevEpoch += val.EffectiveBalance()
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}
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// Set inclusion slot and inclusion distance to be max, they will be compared and replaced
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// with the lower values
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pVal.InclusionSlot = params.BeaconConfig().FarFutureSlot
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pVal.InclusionDistance = params.BeaconConfig().FarFutureSlot
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pValidators[idx] = pVal
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return nil
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}); err != nil {
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return nil, nil, errors.Wrap(err, "failed to initialize precompute")
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}
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return pValidators, pBal, nil
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}
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