prysm-pulse/beacon-chain/state/v2/setters_block.go
Nishant Das 4f3762f1f7
Clean Up V2 BeaconState (#9648)
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2021-09-23 01:10:25 +00:00

69 lines
1.8 KiB
Go

package v2
import (
"fmt"
"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
)
// SetLatestBlockHeader in the beacon state.
func (b *BeaconState) SetLatestBlockHeader(val *ethpb.BeaconBlockHeader) error {
if !b.hasInnerState() {
return ErrNilInnerState
}
b.lock.Lock()
defer b.lock.Unlock()
b.state.LatestBlockHeader = ethpb.CopyBeaconBlockHeader(val)
b.markFieldAsDirty(latestBlockHeader)
return nil
}
// SetBlockRoots for the beacon state. Updates the entire
// list to a new value by overwriting the previous one.
func (b *BeaconState) SetBlockRoots(val [][]byte) error {
if !b.hasInnerState() {
return ErrNilInnerState
}
b.lock.Lock()
defer b.lock.Unlock()
b.sharedFieldReferences[blockRoots].MinusRef()
b.sharedFieldReferences[blockRoots] = stateutil.NewRef(1)
b.state.BlockRoots = val
b.markFieldAsDirty(blockRoots)
b.rebuildTrie[blockRoots] = true
return nil
}
// UpdateBlockRootAtIndex for the beacon state. Updates the block root
// at a specific index to a new value.
func (b *BeaconState) UpdateBlockRootAtIndex(idx uint64, blockRoot [32]byte) error {
if !b.hasInnerState() {
return ErrNilInnerState
}
if uint64(len(b.state.BlockRoots)) <= idx {
return fmt.Errorf("invalid index provided %d", idx)
}
b.lock.Lock()
defer b.lock.Unlock()
r := b.state.BlockRoots
if ref := b.sharedFieldReferences[blockRoots]; ref.Refs() > 1 {
// Copy elements in underlying array by reference.
r = make([][]byte, len(b.state.BlockRoots))
copy(r, b.state.BlockRoots)
ref.MinusRef()
b.sharedFieldReferences[blockRoots] = stateutil.NewRef(1)
}
r[idx] = blockRoot[:]
b.state.BlockRoots = r
b.markFieldAsDirty(blockRoots)
b.addDirtyIndices(blockRoots, []uint64{idx})
return nil
}