prysm-pulse/beacon-chain/core/execution/upgrade.go

87 lines
3.0 KiB
Go
Raw Normal View History

package execution
import (
"context"
"github.com/prysmaticlabs/prysm/beacon-chain/core/time"
"github.com/prysmaticlabs/prysm/beacon-chain/state"
v3 "github.com/prysmaticlabs/prysm/beacon-chain/state/v3"
"github.com/prysmaticlabs/prysm/config/params"
ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
)
// UpgradeToMerge updates inputs a generic state to return the version Merge state.
// It inserts an empty `ExecutionPayloadHeader` into the state.
func UpgradeToMerge(ctx context.Context, state state.BeaconState) (state.BeaconState, error) {
epoch := time.CurrentEpoch(state)
currentSyncCommittee, err := state.CurrentSyncCommittee()
if err != nil {
return nil, err
}
nextSyncCommittee, err := state.NextSyncCommittee()
if err != nil {
return nil, err
}
prevEpochParticipation, err := state.PreviousEpochParticipation()
if err != nil {
return nil, err
}
currentEpochParticipation, err := state.CurrentEpochParticipation()
if err != nil {
return nil, err
}
inactivityScores, err := state.InactivityScores()
if err != nil {
return nil, err
}
s := &ethpb.BeaconStateBellatrix{
GenesisTime: state.GenesisTime(),
GenesisValidatorsRoot: state.GenesisValidatorRoot(),
Slot: state.Slot(),
Fork: &ethpb.Fork{
PreviousVersion: state.Fork().CurrentVersion,
CurrentVersion: params.BeaconConfig().BellatrixForkVersion,
Epoch: epoch,
},
LatestBlockHeader: state.LatestBlockHeader(),
BlockRoots: state.BlockRoots(),
StateRoots: state.StateRoots(),
HistoricalRoots: state.HistoricalRoots(),
Eth1Data: state.Eth1Data(),
Eth1DataVotes: state.Eth1DataVotes(),
Eth1DepositIndex: state.Eth1DepositIndex(),
Validators: state.Validators(),
Balances: state.Balances(),
RandaoMixes: state.RandaoMixes(),
Slashings: state.Slashings(),
PreviousEpochParticipation: prevEpochParticipation,
CurrentEpochParticipation: currentEpochParticipation,
JustificationBits: state.JustificationBits(),
PreviousJustifiedCheckpoint: state.PreviousJustifiedCheckpoint(),
CurrentJustifiedCheckpoint: state.CurrentJustifiedCheckpoint(),
FinalizedCheckpoint: state.FinalizedCheckpoint(),
InactivityScores: inactivityScores,
CurrentSyncCommittee: currentSyncCommittee,
NextSyncCommittee: nextSyncCommittee,
LatestExecutionPayloadHeader: &ethpb.ExecutionPayloadHeader{
ParentHash: make([]byte, 32),
FeeRecipient: make([]byte, 20),
StateRoot: make([]byte, 32),
ReceiptRoot: make([]byte, 32),
LogsBloom: make([]byte, 256),
Random: make([]byte, 32),
BlockNumber: 0,
GasLimit: 0,
GasUsed: 0,
Timestamp: 0,
BaseFeePerGas: make([]byte, 32),
BlockHash: make([]byte, 32),
TransactionsRoot: make([]byte, 32),
},
}
return v3.InitializeFromProtoUnsafe(s)
}