mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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5a66807989
* First take at updating everything to v5 * Patch gRPC gateway to use prysm v5 Fix patch * Update go ssz --------- Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>
271 lines
10 KiB
Go
271 lines
10 KiB
Go
package state_native
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import (
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"context"
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"encoding/binary"
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"github.com/pkg/errors"
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"github.com/prysmaticlabs/prysm/v5/beacon-chain/state/state-native/types"
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"github.com/prysmaticlabs/prysm/v5/beacon-chain/state/stateutil"
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fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
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"github.com/prysmaticlabs/prysm/v5/config/params"
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"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
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"github.com/prysmaticlabs/prysm/v5/encoding/ssz"
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"github.com/prysmaticlabs/prysm/v5/runtime/version"
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"go.opencensus.io/trace"
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)
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// ComputeFieldRootsWithHasher hashes the provided state and returns its respective field roots.
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func ComputeFieldRootsWithHasher(ctx context.Context, state *BeaconState) ([][]byte, error) {
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ctx, span := trace.StartSpan(ctx, "ComputeFieldRootsWithHasher")
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defer span.End()
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if ctx.Err() != nil {
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return nil, ctx.Err()
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}
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if state == nil {
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return nil, errors.New("nil state")
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}
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var fieldRoots [][]byte
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switch state.version {
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case version.Phase0:
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fieldRoots = make([][]byte, params.BeaconConfig().BeaconStateFieldCount)
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case version.Altair:
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fieldRoots = make([][]byte, params.BeaconConfig().BeaconStateAltairFieldCount)
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case version.Bellatrix:
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fieldRoots = make([][]byte, params.BeaconConfig().BeaconStateBellatrixFieldCount)
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case version.Capella:
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fieldRoots = make([][]byte, params.BeaconConfig().BeaconStateCapellaFieldCount)
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case version.Deneb:
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fieldRoots = make([][]byte, params.BeaconConfig().BeaconStateDenebFieldCount)
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}
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// Genesis time root.
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genesisRoot := ssz.Uint64Root(state.genesisTime)
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fieldRoots[types.GenesisTime.RealPosition()] = genesisRoot[:]
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// Genesis validators root.
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var r [32]byte
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copy(r[:], state.genesisValidatorsRoot[:])
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fieldRoots[types.GenesisValidatorsRoot.RealPosition()] = r[:]
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// Slot root.
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slotRoot := ssz.Uint64Root(uint64(state.slot))
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fieldRoots[types.Slot.RealPosition()] = slotRoot[:]
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// Fork data structure root.
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forkHashTreeRoot, err := ssz.ForkRoot(state.fork)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute fork merkleization")
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}
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fieldRoots[types.Fork.RealPosition()] = forkHashTreeRoot[:]
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// BeaconBlockHeader data structure root.
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headerHashTreeRoot, err := stateutil.BlockHeaderRoot(state.latestBlockHeader)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute block header merkleization")
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}
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fieldRoots[types.LatestBlockHeader.RealPosition()] = headerHashTreeRoot[:]
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// BlockRoots array root.
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blockRootsRoot, err := stateutil.ArraysRoot(state.blockRootsVal().Slice(), fieldparams.BlockRootsLength)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute block roots merkleization")
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}
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fieldRoots[types.BlockRoots.RealPosition()] = blockRootsRoot[:]
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// StateRoots array root.
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stateRootsRoot, err := stateutil.ArraysRoot(state.stateRootsVal().Slice(), fieldparams.StateRootsLength)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute state roots merkleization")
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}
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fieldRoots[types.StateRoots.RealPosition()] = stateRootsRoot[:]
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// HistoricalRoots slice root.
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hRoots := make([][]byte, len(state.historicalRoots))
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for i := range hRoots {
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hRoots[i] = state.historicalRoots[i][:]
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}
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historicalRootsRt, err := ssz.ByteArrayRootWithLimit(hRoots, fieldparams.HistoricalRootsLength)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute historical roots merkleization")
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}
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fieldRoots[types.HistoricalRoots.RealPosition()] = historicalRootsRt[:]
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// Eth1Data data structure root.
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eth1HashTreeRoot, err := stateutil.Eth1Root(state.eth1Data)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute eth1data merkleization")
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}
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fieldRoots[types.Eth1Data.RealPosition()] = eth1HashTreeRoot[:]
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// Eth1DataVotes slice root.
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eth1VotesRoot, err := stateutil.Eth1DataVotesRoot(state.eth1DataVotes)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute eth1data votes merkleization")
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}
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fieldRoots[types.Eth1DataVotes.RealPosition()] = eth1VotesRoot[:]
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// Eth1DepositIndex root.
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eth1DepositIndexBuf := make([]byte, 8)
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binary.LittleEndian.PutUint64(eth1DepositIndexBuf, state.eth1DepositIndex)
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eth1DepositBuf := bytesutil.ToBytes32(eth1DepositIndexBuf)
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fieldRoots[types.Eth1DepositIndex.RealPosition()] = eth1DepositBuf[:]
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// Validators slice root.
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validatorsRoot, err := stateutil.ValidatorRegistryRoot(state.validatorsVal())
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if err != nil {
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return nil, errors.Wrap(err, "could not compute validator registry merkleization")
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}
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fieldRoots[types.Validators.RealPosition()] = validatorsRoot[:]
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// Balances slice root.
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balancesRoot, err := stateutil.Uint64ListRootWithRegistryLimit(state.balancesVal())
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if err != nil {
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return nil, errors.Wrap(err, "could not compute validator balances merkleization")
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}
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fieldRoots[types.Balances.RealPosition()] = balancesRoot[:]
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// RandaoMixes array root.
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randaoRootsRoot, err := stateutil.ArraysRoot(state.randaoMixesVal().Slice(), fieldparams.RandaoMixesLength)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute randao roots merkleization")
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}
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fieldRoots[types.RandaoMixes.RealPosition()] = randaoRootsRoot[:]
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// Slashings array root.
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slashingsRootsRoot, err := ssz.SlashingsRoot(state.slashings)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute slashings merkleization")
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}
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fieldRoots[types.Slashings.RealPosition()] = slashingsRootsRoot[:]
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if state.version == version.Phase0 {
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// PreviousEpochAttestations slice root.
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prevAttsRoot, err := stateutil.EpochAttestationsRoot(state.previousEpochAttestations)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute previous epoch attestations merkleization")
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}
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fieldRoots[types.PreviousEpochAttestations.RealPosition()] = prevAttsRoot[:]
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// CurrentEpochAttestations slice root.
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currAttsRoot, err := stateutil.EpochAttestationsRoot(state.currentEpochAttestations)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute current epoch attestations merkleization")
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}
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fieldRoots[types.CurrentEpochAttestations.RealPosition()] = currAttsRoot[:]
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}
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if state.version >= version.Altair {
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// PreviousEpochParticipation slice root.
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prevParticipationRoot, err := stateutil.ParticipationBitsRoot(state.previousEpochParticipation)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute previous epoch participation merkleization")
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}
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fieldRoots[types.PreviousEpochParticipationBits.RealPosition()] = prevParticipationRoot[:]
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// CurrentEpochParticipation slice root.
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currParticipationRoot, err := stateutil.ParticipationBitsRoot(state.currentEpochParticipation)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute current epoch participation merkleization")
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}
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fieldRoots[types.CurrentEpochParticipationBits.RealPosition()] = currParticipationRoot[:]
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}
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// JustificationBits root.
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justifiedBitsRoot := bytesutil.ToBytes32(state.justificationBits)
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fieldRoots[types.JustificationBits.RealPosition()] = justifiedBitsRoot[:]
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// PreviousJustifiedCheckpoint data structure root.
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prevCheckRoot, err := ssz.CheckpointRoot(state.previousJustifiedCheckpoint)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute previous justified checkpoint merkleization")
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}
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fieldRoots[types.PreviousJustifiedCheckpoint.RealPosition()] = prevCheckRoot[:]
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// CurrentJustifiedCheckpoint data structure root.
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currJustRoot, err := ssz.CheckpointRoot(state.currentJustifiedCheckpoint)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute current justified checkpoint merkleization")
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}
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fieldRoots[types.CurrentJustifiedCheckpoint.RealPosition()] = currJustRoot[:]
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// FinalizedCheckpoint data structure root.
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finalRoot, err := ssz.CheckpointRoot(state.finalizedCheckpoint)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute finalized checkpoint merkleization")
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}
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fieldRoots[types.FinalizedCheckpoint.RealPosition()] = finalRoot[:]
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if state.version >= version.Altair {
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// Inactivity scores root.
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inactivityScoresRoot, err := stateutil.Uint64ListRootWithRegistryLimit(state.inactivityScoresVal())
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if err != nil {
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return nil, errors.Wrap(err, "could not compute inactivityScoreRoot")
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}
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fieldRoots[types.InactivityScores.RealPosition()] = inactivityScoresRoot[:]
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// Current sync committee root.
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currentSyncCommitteeRoot, err := stateutil.SyncCommitteeRoot(state.currentSyncCommittee)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute sync committee merkleization")
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}
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fieldRoots[types.CurrentSyncCommittee.RealPosition()] = currentSyncCommitteeRoot[:]
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// Next sync committee root.
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nextSyncCommitteeRoot, err := stateutil.SyncCommitteeRoot(state.nextSyncCommittee)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute sync committee merkleization")
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}
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fieldRoots[types.NextSyncCommittee.RealPosition()] = nextSyncCommitteeRoot[:]
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}
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if state.version == version.Bellatrix {
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// Execution payload root.
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executionPayloadRoot, err := state.latestExecutionPayloadHeader.HashTreeRoot()
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if err != nil {
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return nil, err
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}
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fieldRoots[types.LatestExecutionPayloadHeader.RealPosition()] = executionPayloadRoot[:]
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}
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if state.version == version.Capella {
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// Execution payload root.
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executionPayloadRoot, err := state.latestExecutionPayloadHeaderCapella.HashTreeRoot()
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if err != nil {
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return nil, err
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}
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fieldRoots[types.LatestExecutionPayloadHeaderCapella.RealPosition()] = executionPayloadRoot[:]
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}
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if state.version == version.Deneb {
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// Execution payload root.
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executionPayloadRoot, err := state.latestExecutionPayloadHeaderDeneb.HashTreeRoot()
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if err != nil {
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return nil, err
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}
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fieldRoots[types.LatestExecutionPayloadHeaderDeneb.RealPosition()] = executionPayloadRoot[:]
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}
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if state.version >= version.Capella {
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// Next withdrawal index root.
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nextWithdrawalIndexRoot := make([]byte, 32)
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binary.LittleEndian.PutUint64(nextWithdrawalIndexRoot, state.nextWithdrawalIndex)
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fieldRoots[types.NextWithdrawalIndex.RealPosition()] = nextWithdrawalIndexRoot
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// Next partial withdrawal validator index root.
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nextWithdrawalValidatorIndexRoot := make([]byte, 32)
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binary.LittleEndian.PutUint64(nextWithdrawalValidatorIndexRoot, uint64(state.nextWithdrawalValidatorIndex))
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fieldRoots[types.NextWithdrawalValidatorIndex.RealPosition()] = nextWithdrawalValidatorIndexRoot
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// Historical summary root.
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historicalSummaryRoot, err := stateutil.HistoricalSummariesRoot(state.historicalSummaries)
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if err != nil {
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return nil, errors.Wrap(err, "could not compute historical summary merkleization")
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}
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fieldRoots[types.HistoricalSummaries.RealPosition()] = historicalSummaryRoot[:]
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}
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return fieldRoots, nil
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}
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