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

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2023-05-23 17:33:13 +00:00
package deneb
import (
"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/time"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/state"
state_native "github.com/prysmaticlabs/prysm/v4/beacon-chain/state/state-native"
"github.com/prysmaticlabs/prysm/v4/config/params"
enginev1 "github.com/prysmaticlabs/prysm/v4/proto/engine/v1"
ethpb "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
)
// UpgradeToDeneb updates inputs a generic state to return the version Deneb state.
func UpgradeToDeneb(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
}
payloadHeader, err := state.LatestExecutionPayloadHeader()
if err != nil {
return nil, err
}
txRoot, err := payloadHeader.TransactionsRoot()
if err != nil {
return nil, err
}
wdRoot, err := payloadHeader.WithdrawalsRoot()
if err != nil {
return nil, err
}
wi, err := state.NextWithdrawalIndex()
if err != nil {
return nil, err
}
vi, err := state.NextWithdrawalValidatorIndex()
if err != nil {
return nil, err
}
summaries, err := state.HistoricalSummaries()
if err != nil {
return nil, err
}
s := &ethpb.BeaconStateDeneb{
GenesisTime: state.GenesisTime(),
GenesisValidatorsRoot: state.GenesisValidatorsRoot(),
Slot: state.Slot(),
Fork: &ethpb.Fork{
PreviousVersion: state.Fork().CurrentVersion,
CurrentVersion: params.BeaconConfig().DenebForkVersion,
Epoch: epoch,
},
LatestBlockHeader: state.LatestBlockHeader(),
BlockRoots: state.BlockRoots(),
StateRoots: state.StateRoots(),
HistoricalRoots: [][]byte{},
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: &enginev1.ExecutionPayloadHeaderDeneb{
ParentHash: payloadHeader.ParentHash(),
FeeRecipient: payloadHeader.FeeRecipient(),
StateRoot: payloadHeader.StateRoot(),
ReceiptsRoot: payloadHeader.ReceiptsRoot(),
LogsBloom: payloadHeader.LogsBloom(),
PrevRandao: payloadHeader.PrevRandao(),
BlockNumber: payloadHeader.BlockNumber(),
GasLimit: payloadHeader.GasLimit(),
GasUsed: payloadHeader.GasUsed(),
Timestamp: payloadHeader.Timestamp(),
ExtraData: payloadHeader.ExtraData(),
BaseFeePerGas: payloadHeader.BaseFeePerGas(),
BlockHash: payloadHeader.BlockHash(),
ExcessBlobGas: 0,
BlobGasUsed: 0,
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TransactionsRoot: txRoot,
WithdrawalsRoot: wdRoot,
},
NextWithdrawalIndex: wi,
NextWithdrawalValidatorIndex: vi,
HistoricalSummaries: summaries,
}
return state_native.InitializeFromProtoUnsafeDeneb(s)
}