add electra datatypes (#5947)
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tersec
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# beacon_chain
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# Copyright (c) 2024 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.push raises: [].}
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# Types specific to Deneb (i.e. known to have changed across hard forks) - see
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# `base` for types and guidelines common across forks
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# TODO Careful, not nil analysis is broken / incomplete and the semantics will
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# likely change in future versions of the language:
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# https://github.com/nim-lang/RFCs/issues/250
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{.experimental: "notnil".}
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import
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std/typetraits,
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chronicles,
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stew/byteutils,
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json_serialization,
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ssz_serialization/[merkleization, proofs],
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ssz_serialization/types as sszTypes,
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../digest,
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"."/[base, phase0, altair, bellatrix, capella]
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from kzg4844 import KzgCommitment, KzgProof
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from ./deneb import Blobs, BlobsBundle, KzgCommitments, KzgProofs
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export json_serialization, base, kzg4844
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type
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/deneb/beacon-chain.md#executionpayload
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ExecutionPayload* = object
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# Execution block header fields
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parent_hash*: Eth2Digest
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fee_recipient*: ExecutionAddress
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## 'beneficiary' in the yellow paper
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state_root*: Eth2Digest
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receipts_root*: Eth2Digest
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logs_bloom*: BloomLogs
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prev_randao*: Eth2Digest
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## 'difficulty' in the yellow paper
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block_number*: uint64
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## 'number' in the yellow paper
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gas_limit*: uint64
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gas_used*: uint64
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timestamp*: uint64
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extra_data*: List[byte, MAX_EXTRA_DATA_BYTES]
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base_fee_per_gas*: UInt256
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# Extra payload fields
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block_hash*: Eth2Digest # Hash of execution block
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transactions*: List[Transaction, MAX_TRANSACTIONS_PER_PAYLOAD]
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withdrawals*: List[Withdrawal, MAX_WITHDRAWALS_PER_PAYLOAD]
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blob_gas_used*: uint64 # [New in Deneb]
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excess_blob_gas*: uint64 # [New in Deneb]
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ExecutionPayloadForSigning* = object
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executionPayload*: ExecutionPayload
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blockValue*: Wei
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blobsBundle*: BlobsBundle
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/deneb/beacon-chain.md#executionpayloadheader
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ExecutionPayloadHeader* = object
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# Execution block header fields
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parent_hash*: Eth2Digest
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fee_recipient*: ExecutionAddress
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state_root*: Eth2Digest
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receipts_root*: Eth2Digest
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logs_bloom*: BloomLogs
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prev_randao*: Eth2Digest
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block_number*: uint64
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gas_limit*: uint64
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gas_used*: uint64
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timestamp*: uint64
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extra_data*: List[byte, MAX_EXTRA_DATA_BYTES]
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base_fee_per_gas*: UInt256
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# Extra payload fields
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block_hash*: Eth2Digest
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## Hash of execution block
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transactions_root*: Eth2Digest
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withdrawals_root*: Eth2Digest
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blob_gas_used*: uint64 # [New in Deneb:EIP4844]
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excess_blob_gas*: uint64 # [New in Deneb:EIP4844]
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ExecutePayload* = proc(
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execution_payload: ExecutionPayload): bool {.gcsafe, raises: [].}
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/light-client/sync-protocol.md#modified-lightclientheader
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LightClientHeader* = object
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beacon*: BeaconBlockHeader
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## Beacon block header
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execution*: ExecutionPayloadHeader
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## Execution payload header corresponding to `beacon.body_root` (from Capella onward)
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execution_branch*: capella.ExecutionBranch
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#lightclientbootstrap
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LightClientBootstrap* = object
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header*: LightClientHeader
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## Header matching the requested beacon block root
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current_sync_committee*: SyncCommittee
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## Current sync committee corresponding to `header.beacon.state_root`
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current_sync_committee_branch*: altair.CurrentSyncCommitteeBranch
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#lightclientupdate
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LightClientUpdate* = object
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attested_header*: LightClientHeader
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## Header attested to by the sync committee
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next_sync_committee*: SyncCommittee
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## Next sync committee corresponding to
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## `attested_header.beacon.state_root`
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next_sync_committee_branch*: altair.NextSyncCommitteeBranch
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# Finalized header corresponding to `attested_header.beacon.state_root`
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finalized_header*: LightClientHeader
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finality_branch*: altair.FinalityBranch
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sync_aggregate*: SyncAggregate
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## Sync committee aggregate signature
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signature_slot*: Slot
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## Slot at which the aggregate signature was created (untrusted)
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#lightclientfinalityupdate
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LightClientFinalityUpdate* = object
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# Header attested to by the sync committee
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attested_header*: LightClientHeader
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# Finalized header corresponding to `attested_header.beacon.state_root`
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finalized_header*: LightClientHeader
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finality_branch*: altair.FinalityBranch
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# Sync committee aggregate signature
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sync_aggregate*: SyncAggregate
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# Slot at which the aggregate signature was created (untrusted)
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signature_slot*: Slot
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#lightclientoptimisticupdate
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LightClientOptimisticUpdate* = object
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# Header attested to by the sync committee
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attested_header*: LightClientHeader
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# Sync committee aggregate signature
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sync_aggregate*: SyncAggregate
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# Slot at which the aggregate signature was created (untrusted)
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signature_slot*: Slot
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SomeLightClientUpdateWithSyncCommittee* =
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LightClientUpdate
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SomeLightClientUpdateWithFinality* =
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LightClientUpdate |
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LightClientFinalityUpdate
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SomeLightClientUpdate* =
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LightClientUpdate |
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LightClientFinalityUpdate |
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LightClientOptimisticUpdate
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SomeLightClientObject* =
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LightClientBootstrap |
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SomeLightClientUpdate
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#lightclientstore
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LightClientStore* = object
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finalized_header*: LightClientHeader
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## Header that is finalized
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current_sync_committee*: SyncCommittee
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## Sync committees corresponding to the finalized header
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next_sync_committee*: SyncCommittee
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best_valid_update*: Opt[LightClientUpdate]
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## Best available header to switch finalized head to
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## if we see nothing else
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optimistic_header*: LightClientHeader
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## Most recent available reasonably-safe header
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previous_max_active_participants*: uint64
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## Max number of active participants in a sync committee
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## (used to compute safety threshold)
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current_max_active_participants*: uint64
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#beaconstate
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# changes indirectly via ExecutionPayloadHeader
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BeaconState* = object
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# Versioning
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genesis_time*: uint64
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genesis_validators_root*: Eth2Digest
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slot*: Slot
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fork*: Fork
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# History
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latest_block_header*: BeaconBlockHeader
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## `latest_block_header.state_root == ZERO_HASH` temporarily
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block_roots*: HashArray[Limit SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
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## Needed to process attestations, older to newer
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state_roots*: HashArray[Limit SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
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historical_roots*: HashList[Eth2Digest, Limit HISTORICAL_ROOTS_LIMIT]
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## Frozen in Capella, replaced by historical_summaries
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# Eth1
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eth1_data*: Eth1Data
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eth1_data_votes*:
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HashList[Eth1Data, Limit(EPOCHS_PER_ETH1_VOTING_PERIOD * SLOTS_PER_EPOCH)]
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eth1_deposit_index*: uint64
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# Registry
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validators*: HashList[Validator, Limit VALIDATOR_REGISTRY_LIMIT]
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balances*: HashList[Gwei, Limit VALIDATOR_REGISTRY_LIMIT]
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# Randomness
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randao_mixes*: HashArray[Limit EPOCHS_PER_HISTORICAL_VECTOR, Eth2Digest]
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# Slashings
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slashings*: HashArray[Limit EPOCHS_PER_SLASHINGS_VECTOR, Gwei]
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## Per-epoch sums of slashed effective balances
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# Participation
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previous_epoch_participation*: EpochParticipationFlags
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current_epoch_participation*: EpochParticipationFlags
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# Finality
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justification_bits*: JustificationBits
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## Bit set for every recent justified epoch
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previous_justified_checkpoint*: Checkpoint
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current_justified_checkpoint*: Checkpoint
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finalized_checkpoint*: Checkpoint
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# Inactivity
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inactivity_scores*: InactivityScores
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# Light client sync committees
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current_sync_committee*: SyncCommittee
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next_sync_committee*: SyncCommittee
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# Execution
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latest_execution_payload_header*: ExecutionPayloadHeader
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# Withdrawals
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next_withdrawal_index*: WithdrawalIndex
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next_withdrawal_validator_index*: uint64
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# Deep history valid from Capella onwards
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historical_summaries*:
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HashList[HistoricalSummary, Limit HISTORICAL_ROOTS_LIMIT]
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# TODO Careful, not nil analysis is broken / incomplete and the semantics will
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# likely change in future versions of the language:
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# https://github.com/nim-lang/RFCs/issues/250
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BeaconStateRef* = ref BeaconState not nil
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NilableBeaconStateRef* = ref BeaconState
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# TODO: There should be only a single generic HashedBeaconState definition
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HashedBeaconState* = object
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data*: BeaconState
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root*: Eth2Digest # hash_tree_root(data)
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#beaconblock
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BeaconBlock* = object
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## For each slot, a proposer is chosen from the validator pool to propose
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## a new block. Once the block as been proposed, it is transmitted to
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## validators that will have a chance to vote on it through attestations.
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## Each block collects attestations, or votes, on past blocks, thus a chain
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## is formed.
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slot*: Slot
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proposer_index*: uint64 # `ValidatorIndex` after validation
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parent_root*: Eth2Digest
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## Root hash of the previous block
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state_root*: Eth2Digest
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## The state root, _after_ this block has been processed
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body*: BeaconBlockBody
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SigVerifiedBeaconBlock* = object
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## A BeaconBlock that contains verified signatures
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## but that has not been verified for state transition
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slot*: Slot
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proposer_index*: uint64 # `ValidatorIndex` after validation
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parent_root*: Eth2Digest
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## Root hash of the previous block
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state_root*: Eth2Digest
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## The state root, _after_ this block has been processed
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body*: SigVerifiedBeaconBlockBody
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TrustedBeaconBlock* = object
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## When we receive blocks from outside sources, they are untrusted and go
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## through several layers of validation. Blocks that have gone through
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## validations can be trusted to be well-formed, with a correct signature,
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## having a parent and applying cleanly to the state that their parent
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## left them with.
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##
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## When loading such blocks from the database, to rewind states for example,
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## it is expensive to redo the validations (in particular, the signature
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## checks), thus `TrustedBlock` uses a `TrustedSig` type to mark that these
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## checks can be skipped.
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##
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## TODO this could probably be solved with some type trickery, but there
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## too many bugs in nim around generics handling, and we've used up
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## the trickery budget in the serialization library already. Until
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## then, the type must be manually kept compatible with its untrusted
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## cousin.
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slot*: Slot
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proposer_index*: uint64 # `ValidatorIndex` after validation
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parent_root*: Eth2Digest
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state_root*: Eth2Digest
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body*: TrustedBeaconBlockBody
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# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/deneb/beacon-chain.md#beaconblockbody
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BeaconBlockBody* = object
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randao_reveal*: ValidatorSig
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eth1_data*: Eth1Data
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## Eth1 data vote
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graffiti*: GraffitiBytes
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## Arbitrary data
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# Operations
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proposer_slashings*: List[ProposerSlashing, Limit MAX_PROPOSER_SLASHINGS]
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attester_slashings*: List[AttesterSlashing, Limit MAX_ATTESTER_SLASHINGS]
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attestations*: List[Attestation, Limit MAX_ATTESTATIONS]
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deposits*: List[Deposit, Limit MAX_DEPOSITS]
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voluntary_exits*: List[SignedVoluntaryExit, Limit MAX_VOLUNTARY_EXITS]
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sync_aggregate*: SyncAggregate
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# Execution
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execution_payload*: ExecutionPayload # [Modified in Deneb]
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bls_to_execution_changes*: SignedBLSToExecutionChangeList
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blob_kzg_commitments*: KzgCommitments # [New in Deneb]
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SigVerifiedBeaconBlockBody* = object
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## A BeaconBlock body with signatures verified
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## including:
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## - Randao reveal
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## - Attestations
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## - ProposerSlashing (SignedBeaconBlockHeader)
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## - AttesterSlashing (IndexedAttestation)
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## - SignedVoluntaryExits
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## - SyncAggregate
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##
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## However:
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## - ETH1Data (Deposits) can contain invalid BLS signatures
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##
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## The block state transition has NOT been verified
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randao_reveal*: TrustedSig
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eth1_data*: Eth1Data
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## Eth1 data vote
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graffiti*: GraffitiBytes
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## Arbitrary data
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# Operations
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||||||
|
proposer_slashings*: List[TrustedProposerSlashing, Limit MAX_PROPOSER_SLASHINGS]
|
||||||
|
attester_slashings*: List[TrustedAttesterSlashing, Limit MAX_ATTESTER_SLASHINGS]
|
||||||
|
attestations*: List[TrustedAttestation, Limit MAX_ATTESTATIONS]
|
||||||
|
deposits*: List[Deposit, Limit MAX_DEPOSITS]
|
||||||
|
voluntary_exits*: List[TrustedSignedVoluntaryExit, Limit MAX_VOLUNTARY_EXITS]
|
||||||
|
|
||||||
|
sync_aggregate*: TrustedSyncAggregate
|
||||||
|
|
||||||
|
# Execution
|
||||||
|
execution_payload*: ExecutionPayload # [Modified in Deneb]
|
||||||
|
bls_to_execution_changes*: SignedBLSToExecutionChangeList
|
||||||
|
blob_kzg_commitments*: KzgCommitments # [New in Deneb]
|
||||||
|
|
||||||
|
TrustedBeaconBlockBody* = object
|
||||||
|
## A full verified block
|
||||||
|
randao_reveal*: TrustedSig
|
||||||
|
eth1_data*: Eth1Data
|
||||||
|
## Eth1 data vote
|
||||||
|
|
||||||
|
graffiti*: GraffitiBytes
|
||||||
|
## Arbitrary data
|
||||||
|
|
||||||
|
# Operations
|
||||||
|
proposer_slashings*: List[TrustedProposerSlashing, Limit MAX_PROPOSER_SLASHINGS]
|
||||||
|
attester_slashings*: List[TrustedAttesterSlashing, Limit MAX_ATTESTER_SLASHINGS]
|
||||||
|
attestations*: List[TrustedAttestation, Limit MAX_ATTESTATIONS]
|
||||||
|
deposits*: List[Deposit, Limit MAX_DEPOSITS]
|
||||||
|
voluntary_exits*: List[TrustedSignedVoluntaryExit, Limit MAX_VOLUNTARY_EXITS]
|
||||||
|
|
||||||
|
sync_aggregate*: TrustedSyncAggregate
|
||||||
|
|
||||||
|
# Execution
|
||||||
|
execution_payload*: ExecutionPayload # [Modified in Deneb]
|
||||||
|
bls_to_execution_changes*: SignedBLSToExecutionChangeList
|
||||||
|
blob_kzg_commitments*: KzgCommitments # [New in Deneb]
|
||||||
|
|
||||||
|
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#signedbeaconblock
|
||||||
|
SignedBeaconBlock* = object
|
||||||
|
message*: BeaconBlock
|
||||||
|
signature*: ValidatorSig
|
||||||
|
|
||||||
|
root* {.dontSerialize.}: Eth2Digest # cached root of signed beacon block
|
||||||
|
|
||||||
|
SigVerifiedSignedBeaconBlock* = object
|
||||||
|
## A SignedBeaconBlock with signatures verified
|
||||||
|
## including:
|
||||||
|
## - Block signature
|
||||||
|
## - BeaconBlockBody
|
||||||
|
## - Randao reveal
|
||||||
|
## - Attestations
|
||||||
|
## - ProposerSlashing (SignedBeaconBlockHeader)
|
||||||
|
## - AttesterSlashing (IndexedAttestation)
|
||||||
|
## - SignedVoluntaryExits
|
||||||
|
##
|
||||||
|
## - ETH1Data (Deposits) can contain invalid BLS signatures
|
||||||
|
##
|
||||||
|
## The block state transition has NOT been verified
|
||||||
|
message*: SigVerifiedBeaconBlock
|
||||||
|
signature*: TrustedSig
|
||||||
|
|
||||||
|
root* {.dontSerialize.}: Eth2Digest # cached root of signed beacon block
|
||||||
|
|
||||||
|
MsgTrustedSignedBeaconBlock* = object
|
||||||
|
message*: TrustedBeaconBlock
|
||||||
|
signature*: ValidatorSig
|
||||||
|
|
||||||
|
root* {.dontSerialize.}: Eth2Digest # cached root of signed beacon block
|
||||||
|
|
||||||
|
TrustedSignedBeaconBlock* = object
|
||||||
|
message*: TrustedBeaconBlock
|
||||||
|
signature*: TrustedSig
|
||||||
|
|
||||||
|
root* {.dontSerialize.}: Eth2Digest # cached root of signed beacon block
|
||||||
|
|
||||||
|
SomeSignedBeaconBlock* =
|
||||||
|
SignedBeaconBlock |
|
||||||
|
SigVerifiedSignedBeaconBlock |
|
||||||
|
MsgTrustedSignedBeaconBlock |
|
||||||
|
TrustedSignedBeaconBlock
|
||||||
|
SomeBeaconBlock* =
|
||||||
|
BeaconBlock |
|
||||||
|
SigVerifiedBeaconBlock |
|
||||||
|
TrustedBeaconBlock
|
||||||
|
SomeBeaconBlockBody* =
|
||||||
|
BeaconBlockBody |
|
||||||
|
SigVerifiedBeaconBlockBody |
|
||||||
|
TrustedBeaconBlockBody
|
||||||
|
|
||||||
|
BlockContents* = object
|
||||||
|
`block`*: BeaconBlock
|
||||||
|
kzg_proofs*: KzgProofs
|
||||||
|
blobs*: Blobs
|
||||||
|
|
||||||
|
# TODO: There should be only a single generic HashedBeaconState definition
|
||||||
|
func initHashedBeaconState*(s: BeaconState): HashedBeaconState =
|
||||||
|
HashedBeaconState(data: s)
|
||||||
|
|
||||||
|
func shortLog*(v: SomeBeaconBlock): auto =
|
||||||
|
(
|
||||||
|
slot: shortLog(v.slot),
|
||||||
|
proposer_index: v.proposer_index,
|
||||||
|
parent_root: shortLog(v.parent_root),
|
||||||
|
state_root: shortLog(v.state_root),
|
||||||
|
eth1data: v.body.eth1_data,
|
||||||
|
graffiti: $v.body.graffiti,
|
||||||
|
proposer_slashings_len: v.body.proposer_slashings.len(),
|
||||||
|
attester_slashings_len: v.body.attester_slashings.len(),
|
||||||
|
attestations_len: v.body.attestations.len(),
|
||||||
|
deposits_len: v.body.deposits.len(),
|
||||||
|
voluntary_exits_len: v.body.voluntary_exits.len(),
|
||||||
|
sync_committee_participants: v.body.sync_aggregate.num_active_participants,
|
||||||
|
block_number: v.body.execution_payload.block_number,
|
||||||
|
# TODO checksum hex? shortlog?
|
||||||
|
block_hash: to0xHex(v.body.execution_payload.block_hash.data),
|
||||||
|
parent_hash: to0xHex(v.body.execution_payload.parent_hash.data),
|
||||||
|
fee_recipient: to0xHex(v.body.execution_payload.fee_recipient.data),
|
||||||
|
bls_to_execution_changes_len: v.body.bls_to_execution_changes.len(),
|
||||||
|
blob_kzg_commitments_len: v.body.blob_kzg_commitments.len(),
|
||||||
|
)
|
||||||
|
|
||||||
|
func shortLog*(v: SomeSignedBeaconBlock): auto =
|
||||||
|
(
|
||||||
|
blck: shortLog(v.message),
|
||||||
|
signature: shortLog(v.signature)
|
||||||
|
)
|
||||||
|
|
||||||
|
func shortLog*(v: ExecutionPayload): auto =
|
||||||
|
(
|
||||||
|
parent_hash: shortLog(v.parent_hash),
|
||||||
|
fee_recipient: $v.fee_recipient,
|
||||||
|
state_root: shortLog(v.state_root),
|
||||||
|
receipts_root: shortLog(v.receipts_root),
|
||||||
|
prev_randao: shortLog(v.prev_randao),
|
||||||
|
block_number: v.block_number,
|
||||||
|
gas_limit: v.gas_limit,
|
||||||
|
gas_used: v.gas_used,
|
||||||
|
timestamp: v.timestamp,
|
||||||
|
extra_data: toPrettyString(distinctBase v.extra_data),
|
||||||
|
base_fee_per_gas: $(v.base_fee_per_gas),
|
||||||
|
block_hash: shortLog(v.block_hash),
|
||||||
|
num_transactions: len(v.transactions),
|
||||||
|
num_withdrawals: len(v.withdrawals),
|
||||||
|
blob_gas_used: $(v.blob_gas_used),
|
||||||
|
excess_blob_gas: $(v.excess_blob_gas)
|
||||||
|
)
|
||||||
|
|
||||||
|
template asSigned*(
|
||||||
|
x: SigVerifiedSignedBeaconBlock |
|
||||||
|
MsgTrustedSignedBeaconBlock |
|
||||||
|
TrustedSignedBeaconBlock): SignedBeaconBlock =
|
||||||
|
isomorphicCast[SignedBeaconBlock](x)
|
||||||
|
|
||||||
|
template asSigVerified*(
|
||||||
|
x: SignedBeaconBlock |
|
||||||
|
MsgTrustedSignedBeaconBlock |
|
||||||
|
TrustedSignedBeaconBlock): SigVerifiedSignedBeaconBlock =
|
||||||
|
isomorphicCast[SigVerifiedSignedBeaconBlock](x)
|
||||||
|
|
||||||
|
template asSigVerified*(
|
||||||
|
x: BeaconBlock | TrustedBeaconBlock): SigVerifiedBeaconBlock =
|
||||||
|
isomorphicCast[SigVerifiedBeaconBlock](x)
|
||||||
|
|
||||||
|
template asMsgTrusted*(
|
||||||
|
x: SignedBeaconBlock |
|
||||||
|
SigVerifiedSignedBeaconBlock |
|
||||||
|
TrustedSignedBeaconBlock): MsgTrustedSignedBeaconBlock =
|
||||||
|
isomorphicCast[MsgTrustedSignedBeaconBlock](x)
|
||||||
|
|
||||||
|
template asTrusted*(
|
||||||
|
x: SignedBeaconBlock |
|
||||||
|
SigVerifiedSignedBeaconBlock |
|
||||||
|
MsgTrustedSignedBeaconBlock): TrustedSignedBeaconBlock =
|
||||||
|
isomorphicCast[TrustedSignedBeaconBlock](x)
|
||||||
Loading…
Reference in New Issue