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29513c804c
* bytesutil * gaz Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
package v2
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import (
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"github.com/prysmaticlabs/prysm/encoding/bytesutil"
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ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
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)
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// LatestBlockHeader stored within the beacon state.
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func (b *BeaconState) LatestBlockHeader() *ethpb.BeaconBlockHeader {
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if !b.hasInnerState() {
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return nil
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}
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if b.state.LatestBlockHeader == nil {
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return nil
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}
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b.lock.RLock()
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defer b.lock.RUnlock()
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return b.latestBlockHeader()
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}
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// latestBlockHeader stored within the beacon state.
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// This assumes that a lock is already held on BeaconState.
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func (b *BeaconState) latestBlockHeader() *ethpb.BeaconBlockHeader {
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if !b.hasInnerState() {
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return nil
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}
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if b.state.LatestBlockHeader == nil {
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return nil
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}
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hdr := ðpb.BeaconBlockHeader{
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Slot: b.state.LatestBlockHeader.Slot,
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ProposerIndex: b.state.LatestBlockHeader.ProposerIndex,
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}
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parentRoot := make([]byte, len(b.state.LatestBlockHeader.ParentRoot))
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bodyRoot := make([]byte, len(b.state.LatestBlockHeader.BodyRoot))
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stateRoot := make([]byte, len(b.state.LatestBlockHeader.StateRoot))
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copy(parentRoot, b.state.LatestBlockHeader.ParentRoot)
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copy(bodyRoot, b.state.LatestBlockHeader.BodyRoot)
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copy(stateRoot, b.state.LatestBlockHeader.StateRoot)
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hdr.ParentRoot = parentRoot
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hdr.BodyRoot = bodyRoot
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hdr.StateRoot = stateRoot
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return hdr
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}
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// BlockRoots kept track of in the beacon state.
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func (b *BeaconState) BlockRoots() [][]byte {
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if !b.hasInnerState() {
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return nil
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}
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if b.state.BlockRoots == nil {
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return nil
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}
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b.lock.RLock()
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defer b.lock.RUnlock()
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return b.blockRoots()
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}
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// blockRoots kept track of in the beacon state.
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// This assumes that a lock is already held on BeaconState.
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func (b *BeaconState) blockRoots() [][]byte {
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if !b.hasInnerState() {
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return nil
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}
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return bytesutil.SafeCopy2dBytes(b.state.BlockRoots)
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}
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// BlockRootAtIndex retrieves a specific block root based on an
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// input index value.
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func (b *BeaconState) BlockRootAtIndex(idx uint64) ([]byte, error) {
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if !b.hasInnerState() {
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return nil, ErrNilInnerState
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}
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if b.state.BlockRoots == nil {
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return nil, nil
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}
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b.lock.RLock()
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defer b.lock.RUnlock()
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return b.blockRootAtIndex(idx)
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}
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// blockRootAtIndex retrieves a specific block root based on an
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// input index value.
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// This assumes that a lock is already held on BeaconState.
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func (b *BeaconState) blockRootAtIndex(idx uint64) ([]byte, error) {
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if !b.hasInnerState() {
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return nil, ErrNilInnerState
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}
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return bytesutil.SafeCopyRootAtIndex(b.state.BlockRoots, idx)
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}
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