consensus spec ref URL updates to v1.3.0-rc.2 (#4626)
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@ -26,7 +26,7 @@ type
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## which blocks are valid - in particular, blocks are not valid if they
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## come from the future as seen from the local clock.
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##
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## https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.1/specs/phase0/fork-choice.md#fork-choice
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## https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/phase0/fork-choice.md#fork-choice
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##
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# TODO consider NTP and network-adjusted timestamps as outlined here:
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# https://ethresear.ch/t/network-adjusted-timestamps/4187
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@ -813,19 +813,19 @@ func get_next_sync_committee_keys(
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i += 1'u64
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res
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/capella/beacon-chain.md#has_eth1_withdrawal_credential
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#has_eth1_withdrawal_credential
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func has_eth1_withdrawal_credential(validator: Validator): bool =
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## Check if ``validator`` has an 0x01 prefixed "eth1" withdrawal credential.
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validator.withdrawal_credentials.data[0] == ETH1_ADDRESS_WITHDRAWAL_PREFIX
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/capella/beacon-chain.md#is_fully_withdrawable_validator
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#is_fully_withdrawable_validator
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func is_fully_withdrawable_validator(
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validator: Validator, balance: Gwei, epoch: Epoch): bool =
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## Check if ``validator`` is fully withdrawable.
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has_eth1_withdrawal_credential(validator) and
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validator.withdrawable_epoch <= epoch and balance > 0
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/capella/beacon-chain.md#is_partially_withdrawable_validator
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#is_partially_withdrawable_validator
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func is_partially_withdrawable_validator(
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validator: Validator, balance: Gwei): bool =
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## Check if ``validator`` is partially withdrawable.
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@ -836,7 +836,7 @@ func is_partially_withdrawable_validator(
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has_eth1_withdrawal_credential(validator) and
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has_max_effective_balance and has_excess_balance
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/capella/beacon-chain.md#new-get_expected_withdrawals
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#new-get_expected_withdrawals
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func get_expected_withdrawals*(
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state: capella.BeaconState | eip4844.BeaconState): seq[Withdrawal] =
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let
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@ -42,7 +42,7 @@ const
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TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE* = 16
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SYNC_COMMITTEE_SUBNET_COUNT* = 4
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/altair/light-client/sync-protocol.md#constants
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/altair/light-client/sync-protocol.md#constants
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# All of these indices are rooted in `BeaconState`.
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# The first member (`genesis_time`) is 32, subsequent members +1 each.
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# If there are ever more than 32 members in `BeaconState`, indices change!
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@ -205,7 +205,7 @@ type
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## safety threshold)
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current_max_active_participants*: uint64
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-alpha.1/specs/capella/beacon-chain.md#beaconstate
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#beaconstate
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BeaconState* = object
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# Versioning
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genesis_time*: uint64
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@ -10,7 +10,7 @@ type
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Epoch* = distinct uint64
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SyncCommitteePeriod* = distinct uint64
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/capella/beacon-chain.md#custom-types
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#custom-types
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WithdrawalIndex* = uint64
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DomainType* = distinct array[4, byte]
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@ -36,7 +36,7 @@ const
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DOMAIN_SYNC_COMMITTEE_SELECTION_PROOF* = DomainType([byte 0x08, 0x00, 0x00, 0x00])
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DOMAIN_CONTRIBUTION_AND_PROOF* = DomainType([byte 0x09, 0x00, 0x00, 0x00])
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/capella/beacon-chain.md#domain-types
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#domain-types
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DOMAIN_BLS_TO_EXECUTION_CHANGE* = DomainType([byte 0x0a, 0x00, 0x00, 0x00])
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/bellatrix/beacon-chain.md#transition-settings
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@ -27,13 +27,13 @@ import
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export json_serialization, base
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const
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.1/specs/eip4844/polynomial-commitments.md#constants
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/eip4844/polynomial-commitments.md#constants
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BYTES_PER_FIELD_ELEMENT = 32
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-alpha.1/specs/eip4844/beacon-chain.md#blob
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/eip4844/beacon-chain.md#blob
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BLOB_TX_TYPE* = 0x05'u8
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.1/specs/eip4844/polynomial-commitments.md#constants
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/eip4844/polynomial-commitments.md#constants
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BLS_MODULUS* = "52435875175126190479447740508185965837690552500527637822603658699938581184513".u256
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/eip4844/p2p-interface.md#configuration
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MIN_EPOCHS_FOR_BLOBS_SIDECARS_REQUESTS* = 4096'u64
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@ -230,7 +230,7 @@ func get_safety_threshold*(store: ForkyLightClientStore): uint64 =
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store.current_max_active_participants
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) div 2
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-alpha.0/specs/altair/light-client/sync-protocol.md#is_better_update
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/altair/light-client/sync-protocol.md#is_better_update
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type LightClientUpdateMetadata* = object
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attested_slot*, finalized_slot*, signature_slot*: Slot
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has_sync_committee*, has_finality*: bool
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@ -61,11 +61,11 @@ func getAttesterSlashingsTopic*(forkDigest: ForkDigest): string =
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func getAggregateAndProofsTopic*(forkDigest: ForkDigest): string =
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eth2Prefix(forkDigest) & topicAggregateAndProofsSuffix
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/capella/p2p-interface.md#topics-and-messages
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/p2p-interface.md#topics-and-messages
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func getBlsToExecutionChangeTopic*(forkDigest: ForkDigest): string =
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eth2Prefix(forkDigest) & topicBlsToExecutionChangeSuffix
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.1/specs/eip4844/p2p-interface.md#topics-and-messages
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/eip4844/p2p-interface.md#topics-and-messages
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func getBeaconBlockAndBlobsSidecarTopic*(forkDigest: ForkDigest): string =
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eth2Prefix(forkDigest) & topicBeaconBlockAndBlobsSidecarTopicSuffix
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@ -102,7 +102,7 @@ func getSyncCommitteeContributionAndProofTopic*(forkDigest: ForkDigest): string
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## For subscribing and unsubscribing to/from a subnet.
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eth2Prefix(forkDigest) & "sync_committee_contribution_and_proof/ssz_snappy"
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/altair/light-client/p2p-interface.md#light_client_finality_update
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/altair/light-client/p2p-interface.md#light_client_finality_update
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func getLightClientFinalityUpdateTopic*(forkDigest: ForkDigest): string =
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## For broadcasting or obtaining the latest `LightClientFinalityUpdate`.
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eth2Prefix(forkDigest) & "light_client_finality_update/ssz_snappy"
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@ -664,7 +664,7 @@ proc process_execution_payload*(
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ok()
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-alpha.1/specs/capella/beacon-chain.md#new-process_withdrawals
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#new-process_withdrawals
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func process_withdrawals*(
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state: var (capella.BeaconState | eip4844.BeaconState),
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payload: capella.ExecutionPayload | eip4844.ExecutionPayload):
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@ -738,7 +738,7 @@ func tx_peek_blob_versioned_hashes(opaque_tx: Transaction):
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/eip4844/beacon-chain.md#kzg_commitment_to_versioned_hash
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func kzg_commitment_to_versioned_hash(
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kzg_commitment: eip4844.KZGCommitment): VersionedHash =
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-alpha.2/specs/eip4844/beacon-chain.md#blob
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/eip4844/beacon-chain.md#blob
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const VERSIONED_HASH_VERSION_KZG = 0x01'u8
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var res: VersionedHash
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@ -746,7 +746,7 @@ func kzg_commitment_to_versioned_hash(
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res[1 .. 31] = eth2digest(kzg_commitment).data.toOpenArray(1, 31)
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res
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-alpha.2/specs/eip4844/beacon-chain.md#verify_kzg_commitments_against_transactions
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/eip4844/beacon-chain.md#verify_kzg_commitments_against_transactions
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func verify_kzg_commitments_against_transactions*(
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transactions: seq[Transaction],
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kzg_commitments: seq[eip4844.KZGCommitment]): bool =
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@ -884,7 +884,7 @@ proc process_block*(
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ok()
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-alpha.2/specs/capella/beacon-chain.md#block-processing
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#block-processing
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# TODO workaround for https://github.com/nim-lang/Nim/issues/18095
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type SomeCapellaBlock =
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capella.BeaconBlock | capella.SigVerifiedBeaconBlock | capella.TrustedBeaconBlock
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@ -1176,7 +1176,7 @@ proc process_epoch*(
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ok()
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/capella/beacon-chain.md#epoch-processing
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/capella/beacon-chain.md#epoch-processing
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proc process_epoch*(
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cfg: RuntimeConfig,
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state: var (capella.BeaconState | eip4844.BeaconState),
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@ -170,7 +170,7 @@ proc doRequest(
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raise newException(ResponseError, "Invalid context bytes")
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return response
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.0/specs/altair/light-client/p2p-interface.md#getlightclientfinalityupdate
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/altair/light-client/p2p-interface.md#getlightclientfinalityupdate
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proc doRequest(
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e: typedesc[FinalityUpdate],
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peer: Peer
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@ -27,7 +27,7 @@ const
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blockResponseCost = allowedOpsPerSecondCost(64) # Allow syncing ~64 blocks/sec (minus request costs)
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-alpha.0/specs/altair/light-client/p2p-interface.md#configuration
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/altair/light-client/p2p-interface.md#configuration
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MAX_REQUEST_LIGHT_CLIENT_UPDATES* = 128
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lightClientBootstrapResponseCost = allowedOpsPerSecondCost(1)
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## Only one bootstrap per peer should ever be needed - no need to allow more
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@ -445,7 +445,7 @@ p2pProtocol BeaconSync(version = 1,
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debug "Block root request done",
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peer, roots = blockRoots.len, count, found
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.1/specs/eip4844/p2p-interface.md#beaconblockandblobssidecarbyroot-v1
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# https://github.com/ethereum/consensus-specs/blob/v1.3.0-rc.2/specs/eip4844/p2p-interface.md#beaconblockandblobssidecarbyroot-v1
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proc beaconBlockAndBlobsSidecarByRoot_v1(
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peer: Peer,
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# Please note that the SSZ list here ensures that the
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