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Support Fulu genesis block (#15652)

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* Support Fulu genesis block

* `NewGenesisBlockForState`: Factorize Electra and Fulu, which share the same `BeaconBlock`.

---------

Co-authored-by: Manu NALEPA <enalepa@offchainlabs.com>
This commit is contained in:
JihoonSong
2025-09-23 04:00:26 +09:00
committed by GitHub
parent 02dca85251
commit 35bc9b1a0f
2 changed files with 48 additions and 36 deletions
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81
beacon-chain/core/blocks/genesis.go
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@@ -184,45 +184,54 @@ func NewGenesisBlockForState(ctx context.Context, st state.BeaconState) (interfa
})
case *ethpb.BeaconStateElectra:
return blocks.NewSignedBeaconBlock(&ethpb.SignedBeaconBlockElectra{
Block: &ethpb.BeaconBlockElectra{
ParentRoot: params.BeaconConfig().ZeroHash[:],
StateRoot: root[:],
Body: &ethpb.BeaconBlockBodyElectra{
RandaoReveal: make([]byte, 96),
Eth1Data: &ethpb.Eth1Data{
DepositRoot: make([]byte, 32),
BlockHash: make([]byte, 32),
},
Graffiti: make([]byte, 32),
SyncAggregate: &ethpb.SyncAggregate{
SyncCommitteeBits: make([]byte, fieldparams.SyncCommitteeLength/8),
SyncCommitteeSignature: make([]byte, fieldparams.BLSSignatureLength),
},
ExecutionPayload: &enginev1.ExecutionPayloadDeneb{
ParentHash: make([]byte, 32),
FeeRecipient: make([]byte, 20),
StateRoot: make([]byte, 32),
ReceiptsRoot: make([]byte, 32),
LogsBloom: make([]byte, 256),
PrevRandao: make([]byte, 32),
ExtraData: make([]byte, 0),
BaseFeePerGas: make([]byte, 32),
BlockHash: make([]byte, 32),
Transactions: make([][]byte, 0),
Withdrawals: make([]*enginev1.Withdrawal, 0),
},
BlsToExecutionChanges: make([]*ethpb.SignedBLSToExecutionChange, 0),
BlobKzgCommitments: make([][]byte, 0),
ExecutionRequests: &enginev1.ExecutionRequests{
Withdrawals: make([]*enginev1.WithdrawalRequest, 0),
Deposits: make([]*enginev1.DepositRequest, 0),
Consolidations: make([]*enginev1.ConsolidationRequest, 0),
},
},
},
Block: electraGenesisBlock(root),
Signature: params.BeaconConfig().EmptySignature[:],
})
case *ethpb.BeaconStateFulu:
return blocks.NewSignedBeaconBlock(&ethpb.SignedBeaconBlockFulu{
Block: electraGenesisBlock(root),
Signature: params.BeaconConfig().EmptySignature[:],
})
default:
return nil, ErrUnrecognizedState
}
}
func electraGenesisBlock(root [fieldparams.RootLength]byte) *ethpb.BeaconBlockElectra {
return &ethpb.BeaconBlockElectra{
ParentRoot: params.BeaconConfig().ZeroHash[:],
StateRoot: root[:],
Body: &ethpb.BeaconBlockBodyElectra{
RandaoReveal: make([]byte, 96),
Eth1Data: &ethpb.Eth1Data{
DepositRoot: make([]byte, 32),
BlockHash: make([]byte, 32),
},
Graffiti: make([]byte, 32),
SyncAggregate: &ethpb.SyncAggregate{
SyncCommitteeBits: make([]byte, fieldparams.SyncCommitteeLength/8),
SyncCommitteeSignature: make([]byte, fieldparams.BLSSignatureLength),
},
ExecutionPayload: &enginev1.ExecutionPayloadDeneb{
ParentHash: make([]byte, 32),
FeeRecipient: make([]byte, 20),
StateRoot: make([]byte, 32),
ReceiptsRoot: make([]byte, 32),
LogsBloom: make([]byte, 256),
PrevRandao: make([]byte, 32),
ExtraData: make([]byte, 0),
BaseFeePerGas: make([]byte, 32),
BlockHash: make([]byte, 32),
Transactions: make([][]byte, 0),
Withdrawals: make([]*enginev1.Withdrawal, 0),
},
BlsToExecutionChanges: make([]*ethpb.SignedBLSToExecutionChange, 0),
BlobKzgCommitments: make([][]byte, 0),
ExecutionRequests: &enginev1.ExecutionRequests{
Withdrawals: make([]*enginev1.WithdrawalRequest, 0),
Deposits: make([]*enginev1.DepositRequest, 0),
Consolidations: make([]*enginev1.ConsolidationRequest, 0),
},
},
}
}

3
changelog/jihoonsong_support-fulu-genesis.md Normal file
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@@ -0,0 +1,3 @@
### Added
- Support Fulu genesis block.