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https://gitlab.com/pulsechaincom/prysm-pulse.git
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b23f63a064
* v2 state initialize and semantic paths * ensure build * gaz changes to ignored build files * gaz
99 lines
3.5 KiB
Go
99 lines
3.5 KiB
Go
package v1
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import (
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"fmt"
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"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
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pbp2p "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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// RotateAttestations sets the previous epoch attestations to the current epoch attestations and
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// then clears the current epoch attestations.
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func (b *BeaconState) RotateAttestations() error {
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if !b.hasInnerState() {
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return ErrNilInnerState
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}
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b.lock.Lock()
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defer b.lock.Unlock()
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b.setPreviousEpochAttestations(b.currentEpochAttestations())
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b.setCurrentEpochAttestations([]*pbp2p.PendingAttestation{})
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return nil
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}
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func (b *BeaconState) setPreviousEpochAttestations(val []*pbp2p.PendingAttestation) {
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b.sharedFieldReferences[previousEpochAttestations].MinusRef()
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b.sharedFieldReferences[previousEpochAttestations] = stateutil.NewRef(1)
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b.state.PreviousEpochAttestations = val
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b.markFieldAsDirty(previousEpochAttestations)
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b.rebuildTrie[previousEpochAttestations] = true
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}
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func (b *BeaconState) setCurrentEpochAttestations(val []*pbp2p.PendingAttestation) {
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b.sharedFieldReferences[currentEpochAttestations].MinusRef()
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b.sharedFieldReferences[currentEpochAttestations] = stateutil.NewRef(1)
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b.state.CurrentEpochAttestations = val
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b.markFieldAsDirty(currentEpochAttestations)
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b.rebuildTrie[currentEpochAttestations] = true
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}
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// AppendCurrentEpochAttestations for the beacon state. Appends the new value
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// to the the end of list.
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func (b *BeaconState) AppendCurrentEpochAttestations(val *pbp2p.PendingAttestation) error {
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if !b.hasInnerState() {
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return ErrNilInnerState
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}
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b.lock.Lock()
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defer b.lock.Unlock()
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atts := b.state.CurrentEpochAttestations
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max := uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().MaxAttestations
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if uint64(len(atts)) >= max {
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return fmt.Errorf("current pending attestation exceeds max length %d", max)
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}
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if b.sharedFieldReferences[currentEpochAttestations].Refs() > 1 {
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// Copy elements in underlying array by reference.
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atts = make([]*pbp2p.PendingAttestation, len(b.state.CurrentEpochAttestations))
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copy(atts, b.state.CurrentEpochAttestations)
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b.sharedFieldReferences[currentEpochAttestations].MinusRef()
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b.sharedFieldReferences[currentEpochAttestations] = stateutil.NewRef(1)
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}
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b.state.CurrentEpochAttestations = append(atts, val)
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b.markFieldAsDirty(currentEpochAttestations)
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b.addDirtyIndices(currentEpochAttestations, []uint64{uint64(len(b.state.CurrentEpochAttestations) - 1)})
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return nil
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}
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// AppendPreviousEpochAttestations for the beacon state. Appends the new value
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// to the the end of list.
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func (b *BeaconState) AppendPreviousEpochAttestations(val *pbp2p.PendingAttestation) error {
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if !b.hasInnerState() {
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return ErrNilInnerState
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}
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b.lock.Lock()
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defer b.lock.Unlock()
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atts := b.state.PreviousEpochAttestations
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max := uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().MaxAttestations
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if uint64(len(atts)) >= max {
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return fmt.Errorf("previous pending attestation exceeds max length %d", max)
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}
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if b.sharedFieldReferences[previousEpochAttestations].Refs() > 1 {
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atts = make([]*pbp2p.PendingAttestation, len(b.state.PreviousEpochAttestations))
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copy(atts, b.state.PreviousEpochAttestations)
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b.sharedFieldReferences[previousEpochAttestations].MinusRef()
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b.sharedFieldReferences[previousEpochAttestations] = stateutil.NewRef(1)
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}
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b.state.PreviousEpochAttestations = append(atts, val)
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b.markFieldAsDirty(previousEpochAttestations)
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b.addDirtyIndices(previousEpochAttestations, []uint64{uint64(len(b.state.PreviousEpochAttestations) - 1)})
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return nil
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}
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