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setters_state.go
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setters_state.go
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package state_native
import (
"github.com/pkg/errors"
"github.com/prysmaticlabs/prysm/v5/beacon-chain/state/state-native/types"
"github.com/prysmaticlabs/prysm/v5/beacon-chain/state/stateutil"
"github.com/prysmaticlabs/prysm/v5/config/features"
fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
consensus_types "github.com/prysmaticlabs/prysm/v5/consensus-types"
)
// SetStateRoots for the beacon state. Updates the state roots
// to a new value by overwriting the previous value.
func (b *BeaconState) SetStateRoots(val [][]byte) error {
b.lock.Lock()
defer b.lock.Unlock()
if features.Get().EnableExperimentalState {
if b.stateRootsMultiValue != nil {
b.stateRootsMultiValue.Detach(b)
}
b.stateRootsMultiValue = NewMultiValueStateRoots(val)
} else {
b.sharedFieldReferences[types.StateRoots].MinusRef()
b.sharedFieldReferences[types.StateRoots] = stateutil.NewRef(1)
rootsArr := make([][32]byte, fieldparams.StateRootsLength)
for i := 0; i < len(rootsArr); i++ {
copy(rootsArr[i][:], val[i])
}
b.stateRoots = rootsArr
}
b.markFieldAsDirty(types.StateRoots)
b.rebuildTrie[types.StateRoots] = true
return nil
}
// UpdateStateRootAtIndex for the beacon state. Updates the state root
// at a specific index to a new value.
func (b *BeaconState) UpdateStateRootAtIndex(idx uint64, stateRoot [32]byte) error {
if features.Get().EnableExperimentalState {
if err := b.stateRootsMultiValue.UpdateAt(b, idx, stateRoot); err != nil {
return errors.Wrap(err, "could not update state roots")
}
} else {
if uint64(len(b.stateRoots)) <= idx {
return errors.Wrapf(consensus_types.ErrOutOfBounds, "state root index %d does not exist", idx)
}
b.lock.Lock()
r := b.stateRoots
if ref := b.sharedFieldReferences[types.StateRoots]; ref.Refs() > 1 {
// Copy elements in underlying array by reference.
r = make([][32]byte, len(b.stateRoots))
copy(r, b.stateRoots)
ref.MinusRef()
b.sharedFieldReferences[types.StateRoots] = stateutil.NewRef(1)
}
r[idx] = stateRoot
b.stateRoots = r
b.lock.Unlock()
}
b.lock.Lock()
defer b.lock.Unlock()
b.markFieldAsDirty(types.StateRoots)
b.addDirtyIndices(types.StateRoots, []uint64{idx})
return nil
}