# beacon_chain # Copyright (c) 2024 Status Research & Development GmbH # Licensed and distributed under either of # * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT). # * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0). # at your option. This file may not be copied, modified, or distributed except according to those terms. {.push raises: [].} import kzg4844/[kzg_abi, kzg], ../spec/datatypes/[bellatrix, capella, deneb, electra], web3/[engine_api, engine_api_types] from std/sequtils import mapIt type BellatrixExecutionPayloadWithValue* = object executionPayload*: ExecutionPayloadV1 blockValue*: UInt256 func asEth2Digest*(x: BlockHash|Bytes32): Eth2Digest = Eth2Digest(data: array[32, byte](x)) template asBlockHash*(x: Eth2Digest): BlockHash = BlockHash(x.data) func asConsensusWithdrawal*(w: WithdrawalV1): capella.Withdrawal = capella.Withdrawal( index: w.index.uint64, validator_index: w.validatorIndex.uint64, address: ExecutionAddress(data: w.address.distinctBase), amount: Gwei w.amount) func asEngineWithdrawal(w: capella.Withdrawal): WithdrawalV1 = WithdrawalV1( index: Quantity(w.index), validatorIndex: Quantity(w.validator_index), address: Address(w.address.data), amount: Quantity(w.amount)) func asConsensusType*(rpcExecutionPayload: ExecutionPayloadV1): bellatrix.ExecutionPayload = template getTransaction(tt: TypedTransaction): bellatrix.Transaction = bellatrix.Transaction.init(tt.distinctBase) bellatrix.ExecutionPayload( parent_hash: rpcExecutionPayload.parentHash.asEth2Digest, feeRecipient: ExecutionAddress(data: rpcExecutionPayload.feeRecipient.distinctBase), state_root: rpcExecutionPayload.stateRoot.asEth2Digest, receipts_root: rpcExecutionPayload.receiptsRoot.asEth2Digest, logs_bloom: BloomLogs(data: rpcExecutionPayload.logsBloom.distinctBase), prev_randao: rpcExecutionPayload.prevRandao.asEth2Digest, block_number: rpcExecutionPayload.blockNumber.uint64, gas_limit: rpcExecutionPayload.gasLimit.uint64, gas_used: rpcExecutionPayload.gasUsed.uint64, timestamp: rpcExecutionPayload.timestamp.uint64, extra_data: List[byte, MAX_EXTRA_DATA_BYTES].init(rpcExecutionPayload.extraData.data), base_fee_per_gas: rpcExecutionPayload.baseFeePerGas, block_hash: rpcExecutionPayload.blockHash.asEth2Digest, transactions: List[bellatrix.Transaction, MAX_TRANSACTIONS_PER_PAYLOAD].init( mapIt(rpcExecutionPayload.transactions, it.getTransaction))) func asConsensusType*(payloadWithValue: BellatrixExecutionPayloadWithValue): bellatrix.ExecutionPayloadForSigning = bellatrix.ExecutionPayloadForSigning( executionPayload: payloadWithValue.executionPayload.asConsensusType, blockValue: payloadWithValue.blockValue) template maybeDeref*[T](o: Opt[T]): T = o.get template maybeDeref*[V](v: V): V = v func asConsensusType*(rpcExecutionPayload: ExecutionPayloadV1OrV2|ExecutionPayloadV2): capella.ExecutionPayload = template getTransaction(tt: TypedTransaction): bellatrix.Transaction = bellatrix.Transaction.init(tt.distinctBase) capella.ExecutionPayload( parent_hash: rpcExecutionPayload.parentHash.asEth2Digest, feeRecipient: ExecutionAddress(data: rpcExecutionPayload.feeRecipient.distinctBase), state_root: rpcExecutionPayload.stateRoot.asEth2Digest, receipts_root: rpcExecutionPayload.receiptsRoot.asEth2Digest, logs_bloom: BloomLogs(data: rpcExecutionPayload.logsBloom.distinctBase), prev_randao: rpcExecutionPayload.prevRandao.asEth2Digest, block_number: rpcExecutionPayload.blockNumber.uint64, gas_limit: rpcExecutionPayload.gasLimit.uint64, gas_used: rpcExecutionPayload.gasUsed.uint64, timestamp: rpcExecutionPayload.timestamp.uint64, extra_data: List[byte, MAX_EXTRA_DATA_BYTES].init(rpcExecutionPayload.extraData.data), base_fee_per_gas: rpcExecutionPayload.baseFeePerGas, block_hash: rpcExecutionPayload.blockHash.asEth2Digest, transactions: List[bellatrix.Transaction, MAX_TRANSACTIONS_PER_PAYLOAD].init( mapIt(rpcExecutionPayload.transactions, it.getTransaction)), withdrawals: List[capella.Withdrawal, MAX_WITHDRAWALS_PER_PAYLOAD].init( mapIt(maybeDeref rpcExecutionPayload.withdrawals, it.asConsensusWithdrawal))) func asConsensusType*(payloadWithValue: engine_api.GetPayloadV2Response): capella.ExecutionPayloadForSigning = capella.ExecutionPayloadForSigning( executionPayload: payloadWithValue.executionPayload.asConsensusType, blockValue: payloadWithValue.blockValue) func asConsensusType*(rpcExecutionPayload: ExecutionPayloadV3): deneb.ExecutionPayload = template getTransaction(tt: TypedTransaction): bellatrix.Transaction = bellatrix.Transaction.init(tt.distinctBase) deneb.ExecutionPayload( parent_hash: rpcExecutionPayload.parentHash.asEth2Digest, feeRecipient: ExecutionAddress(data: rpcExecutionPayload.feeRecipient.distinctBase), state_root: rpcExecutionPayload.stateRoot.asEth2Digest, receipts_root: rpcExecutionPayload.receiptsRoot.asEth2Digest, logs_bloom: BloomLogs(data: rpcExecutionPayload.logsBloom.distinctBase), prev_randao: rpcExecutionPayload.prevRandao.asEth2Digest, block_number: rpcExecutionPayload.blockNumber.uint64, gas_limit: rpcExecutionPayload.gasLimit.uint64, gas_used: rpcExecutionPayload.gasUsed.uint64, timestamp: rpcExecutionPayload.timestamp.uint64, extra_data: List[byte, MAX_EXTRA_DATA_BYTES].init(rpcExecutionPayload.extraData.data), base_fee_per_gas: rpcExecutionPayload.baseFeePerGas, block_hash: rpcExecutionPayload.blockHash.asEth2Digest, transactions: List[bellatrix.Transaction, MAX_TRANSACTIONS_PER_PAYLOAD].init( mapIt(rpcExecutionPayload.transactions, it.getTransaction)), withdrawals: List[capella.Withdrawal, MAX_WITHDRAWALS_PER_PAYLOAD].init( mapIt(rpcExecutionPayload.withdrawals, it.asConsensusWithdrawal)), blob_gas_used: rpcExecutionPayload.blobGasUsed.uint64, excess_blob_gas: rpcExecutionPayload.excessBlobGas.uint64) func asElectraConsensusPayload(rpcExecutionPayload: ExecutionPayloadV3): electra.ExecutionPayload = template getTransaction(tt: TypedTransaction): bellatrix.Transaction = bellatrix.Transaction.init(tt.distinctBase) electra.ExecutionPayload( parent_hash: rpcExecutionPayload.parentHash.asEth2Digest, feeRecipient: ExecutionAddress(data: rpcExecutionPayload.feeRecipient.distinctBase), state_root: rpcExecutionPayload.stateRoot.asEth2Digest, receipts_root: rpcExecutionPayload.receiptsRoot.asEth2Digest, logs_bloom: BloomLogs(data: rpcExecutionPayload.logsBloom.distinctBase), prev_randao: rpcExecutionPayload.prevRandao.asEth2Digest, block_number: rpcExecutionPayload.blockNumber.uint64, gas_limit: rpcExecutionPayload.gasLimit.uint64, gas_used: rpcExecutionPayload.gasUsed.uint64, timestamp: rpcExecutionPayload.timestamp.uint64, extra_data: List[byte, MAX_EXTRA_DATA_BYTES].init(rpcExecutionPayload.extraData.data), base_fee_per_gas: rpcExecutionPayload.baseFeePerGas, block_hash: rpcExecutionPayload.blockHash.asEth2Digest, transactions: List[bellatrix.Transaction, MAX_TRANSACTIONS_PER_PAYLOAD].init( mapIt(rpcExecutionPayload.transactions, it.getTransaction)), withdrawals: List[capella.Withdrawal, MAX_WITHDRAWALS_PER_PAYLOAD].init( mapIt(rpcExecutionPayload.withdrawals, it.asConsensusWithdrawal)), blob_gas_used: rpcExecutionPayload.blobGasUsed.uint64, excess_blob_gas: rpcExecutionPayload.excessBlobGas.uint64) func asConsensusType*(payload: engine_api.GetPayloadV3Response): deneb.ExecutionPayloadForSigning = deneb.ExecutionPayloadForSigning( executionPayload: payload.executionPayload.asConsensusType, blockValue: payload.blockValue, # TODO # The `mapIt` calls below are necessary only because we use different distinct # types for KZG commitments and Blobs in the `web3` and the `deneb` spec types. # Both are defined as `array[N, byte]` under the hood. blobsBundle: deneb.BlobsBundle( commitments: KzgCommitments.init( payload.blobsBundle.commitments.mapIt( kzg_abi.KzgCommitment(bytes: it.data))), proofs: KzgProofs.init( payload.blobsBundle.proofs.mapIt( kzg_abi.KzgProof(bytes: it.data))), blobs: Blobs.init( payload.blobsBundle.blobs.mapIt(it.data)))) func asConsensusType*( payload: engine_api.GetPayloadV4Response): electra.ExecutionPayloadForSigning = electra.ExecutionPayloadForSigning( executionPayload: payload.executionPayload.asElectraConsensusPayload, blockValue: payload.blockValue, # TODO # The `mapIt` calls below are necessary only because we use different distinct # types for KZG commitments and Blobs in the `web3` and the `deneb` spec types. # Both are defined as `array[N, byte]` under the hood. blobsBundle: deneb.BlobsBundle( commitments: KzgCommitments.init( payload.blobsBundle.commitments.mapIt( kzg_abi.KzgCommitment(bytes: it.data))), proofs: KzgProofs.init( payload.blobsBundle.proofs.mapIt( kzg_abi.KzgProof(bytes: it.data))), blobs: Blobs.init( payload.blobsBundle.blobs.mapIt(it.data))), executionRequests: payload.executionRequests) func asEngineExecutionPayload*(blockBody: bellatrix.BeaconBlockBody): ExecutionPayloadV1 = template executionPayload(): untyped = blockBody.execution_payload template getTypedTransaction(tt: bellatrix.Transaction): TypedTransaction = TypedTransaction(tt.distinctBase) engine_api.ExecutionPayloadV1( parentHash: executionPayload.parent_hash.asBlockHash, feeRecipient: Address(executionPayload.fee_recipient.data), stateRoot: executionPayload.state_root.asBlockHash, receiptsRoot: executionPayload.receipts_root.asBlockHash, logsBloom: FixedBytes[BYTES_PER_LOGS_BLOOM](executionPayload.logs_bloom.data), prevRandao: executionPayload.prev_randao.data.to(Bytes32), blockNumber: Quantity(executionPayload.block_number), gasLimit: Quantity(executionPayload.gas_limit), gasUsed: Quantity(executionPayload.gas_used), timestamp: Quantity(executionPayload.timestamp), extraData: DynamicBytes[0, MAX_EXTRA_DATA_BYTES](executionPayload.extra_data), baseFeePerGas: executionPayload.base_fee_per_gas, blockHash: executionPayload.block_hash.asBlockHash, transactions: mapIt(executionPayload.transactions, it.getTypedTransaction)) template toEngineWithdrawal*(w: capella.Withdrawal): WithdrawalV1 = WithdrawalV1( index: Quantity(w.index), validatorIndex: Quantity(w.validator_index), address: Address(w.address.data), amount: Quantity(w.amount)) func asEngineExecutionPayload*(blockBody: capella.BeaconBlockBody): ExecutionPayloadV2 = template executionPayload(): untyped = blockBody.execution_payload template getTypedTransaction(tt: bellatrix.Transaction): TypedTransaction = TypedTransaction(tt.distinctBase) engine_api.ExecutionPayloadV2( parentHash: executionPayload.parent_hash.asBlockHash, feeRecipient: Address(executionPayload.fee_recipient.data), stateRoot: executionPayload.state_root.asBlockHash, receiptsRoot: executionPayload.receipts_root.asBlockHash, logsBloom: FixedBytes[BYTES_PER_LOGS_BLOOM](executionPayload.logs_bloom.data), prevRandao: executionPayload.prev_randao.data.to(Bytes32), blockNumber: Quantity(executionPayload.block_number), gasLimit: Quantity(executionPayload.gas_limit), gasUsed: Quantity(executionPayload.gas_used), timestamp: Quantity(executionPayload.timestamp), extraData: DynamicBytes[0, MAX_EXTRA_DATA_BYTES](executionPayload.extra_data), baseFeePerGas: executionPayload.base_fee_per_gas, blockHash: executionPayload.block_hash.asBlockHash, transactions: mapIt(executionPayload.transactions, it.getTypedTransaction), withdrawals: mapIt(executionPayload.withdrawals, it.toEngineWithdrawal)) func asEngineExecutionPayload*( blockBody: deneb.BeaconBlockBody | electra.BeaconBlockBody): ExecutionPayloadV3 = template executionPayload(): untyped = blockBody.execution_payload template getTypedTransaction(tt: bellatrix.Transaction): TypedTransaction = TypedTransaction(tt.distinctBase) engine_api.ExecutionPayloadV3( parentHash: executionPayload.parent_hash.asBlockHash, feeRecipient: Address(executionPayload.fee_recipient.data), stateRoot: executionPayload.state_root.asBlockHash, receiptsRoot: executionPayload.receipts_root.asBlockHash, logsBloom: FixedBytes[BYTES_PER_LOGS_BLOOM](executionPayload.logs_bloom.data), prevRandao: executionPayload.prev_randao.data.to(Bytes32), blockNumber: Quantity(executionPayload.block_number), gasLimit: Quantity(executionPayload.gas_limit), gasUsed: Quantity(executionPayload.gas_used), timestamp: Quantity(executionPayload.timestamp), extraData: DynamicBytes[0, MAX_EXTRA_DATA_BYTES](executionPayload.extra_data), baseFeePerGas: executionPayload.base_fee_per_gas, blockHash: executionPayload.block_hash.asBlockHash, transactions: mapIt(executionPayload.transactions, it.getTypedTransaction), withdrawals: mapIt(executionPayload.withdrawals, it.asEngineWithdrawal), blobGasUsed: Quantity(executionPayload.blob_gas_used), excessBlobGas: Quantity(executionPayload.excess_blob_gas))