automated consensus spec URL updating to v1.4.0-beta.7 (#5942)

beacon_chain/beacon_chain_db_immutable.nim

@@ -69,7 +69,7 @@ type
     current_justified_checkpoint*: Checkpoint
     finalized_checkpoint*: Checkpoint
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/beacon-chain.md#beaconstate
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/beacon-chain.md#beaconstate
   # Memory-representation-equivalent to an Altair BeaconState for in-place SSZ
   # reading and writing
   AltairBeaconStateNoImmutableValidators* = object
@@ -127,7 +127,7 @@ type
     current_sync_committee*: SyncCommittee     # [New in Altair]
     next_sync_committee*: SyncCommittee        # [New in Altair]
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/bellatrix/beacon-chain.md#beaconstate
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/bellatrix/beacon-chain.md#beaconstate
   # Memory-representation-equivalent to a Bellatrix BeaconState for in-place SSZ
   # reading and writing
   BellatrixBeaconStateNoImmutableValidators* = object

beacon_chain/consensus_object_pools/attestation_pool.nim

@@ -557,7 +557,7 @@ proc getAttestationsForBlock*(pool: var AttestationPool,
                               cache: var StateCache): seq[Attestation] =
   ## Retrieve attestations that may be added to a new block at the slot of the
   ## given state
-  ## https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/validator.md#attestations
+  ## https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/validator.md#attestations
   let newBlockSlot = state.data.slot.uint64
 
   if newBlockSlot < MIN_ATTESTATION_INCLUSION_DELAY:
@@ -739,7 +739,7 @@ func getAggregatedAttestation*(pool: var AttestationPool,
                                index: CommitteeIndex): Opt[Attestation] =
   ## Select the attestation that has the most votes going for it in the given
   ## slot/index
-  ## https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/validator.md#construct-aggregate
+  ## https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/validator.md#construct-aggregate
   let candidateIdx = pool.candidateIdx(slot)
   if candidateIdx.isNone:
     return Opt.none(Attestation)
@@ -770,7 +770,7 @@ proc getBeaconHead*(
       pool.dag.loadExecutionBlockHash(pool.dag.finalizedHead.blck)
         .get(ZERO_HASH)
 
-    # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/fork_choice/safe-block.md#get_safe_execution_payload_hash
+    # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/fork_choice/safe-block.md#get_safe_execution_payload_hash
     safeBlockRoot = pool.forkChoice.get_safe_beacon_block_root()
     safeBlock = pool.dag.getBlockRef(safeBlockRoot)
     safeExecutionBlockHash =

beacon_chain/consensus_object_pools/blockchain_dag.nim

@@ -1167,7 +1167,7 @@ proc init*(T: type ChainDAGRef, cfg: RuntimeConfig, db: BeaconChainDB,
   # should have `previous_version` set to `current_version` while
   # this doesn't happen to be the case in network that go through
   # regular hard-fork upgrades. See for example:
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/bellatrix/beacon-chain.md#testing
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/bellatrix/beacon-chain.md#testing
   if stateFork.current_version != configFork.current_version:
     error "State from database does not match network, check --network parameter",
       tail = dag.tail, headRef, stateFork, configFork
@@ -1958,7 +1958,7 @@ proc pruneBlocksDAG(dag: ChainDAGRef) =
     prunedHeads = hlen - dag.heads.len,
     dagPruneDur = Moment.now() - startTick
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/sync/optimistic.md#helpers
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/sync/optimistic.md#helpers
 template is_optimistic*(dag: ChainDAGRef, bid: BlockId): bool =
   let blck =
     if bid.slot <= dag.finalizedHead.slot:

beacon_chain/consensus_object_pools/spec_cache.nim

@@ -188,7 +188,7 @@ func makeAttestationData*(
 
   doAssert current_epoch == epochRef.epoch
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/validator.md#attestation-data
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/validator.md#attestation-data
   AttestationData(
     slot: slot,
     index: committee_index.asUInt64,
@@ -198,7 +198,7 @@ func makeAttestationData*(
       epoch: current_epoch,
       root: epoch_boundary_block.blck.root))
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/validator.md#validator-assignments
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/validator.md#validator-assignments
 iterator get_committee_assignments*(
     shufflingRef: ShufflingRef, validator_indices: HashSet[ValidatorIndex]):
     tuple[committee_index: CommitteeIndex,

beacon_chain/consensus_object_pools/sync_committee_msg_pool.nim

@@ -349,7 +349,7 @@ proc produceSyncAggregate*(
 
 proc isEpochLeadTime*(
     pool: SyncCommitteeMsgPool, epochsToSyncPeriod: uint64): bool =
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/validator.md#sync-committee-subnet-stability
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/validator.md#sync-committee-subnet-stability
   # This ensures a uniform distribution without requiring additional state:
   # (1/4)                         = 1/4, 4 slots out
   # (3/4) * (1/3)                 = 1/4, 3 slots out

beacon_chain/el/el_manager.nim

@@ -1138,7 +1138,7 @@ proc forkchoiceUpdated*(m: ELManager,
   # block hash provided by this event is stubbed with
   # `0x0000000000000000000000000000000000000000000000000000000000000000`."
   # and
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/bellatrix/validator.md#executionpayload
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/bellatrix/validator.md#executionpayload
   # notes "`finalized_block_hash` is the hash of the latest finalized execution
   # payload (`Hash32()` if none yet finalized)"
 

beacon_chain/el/eth1_chain.nim

@@ -83,19 +83,19 @@ func asEth2Digest*(x: BlockHash): Eth2Digest =
 template asBlockHash*(x: Eth2Digest): BlockHash =
   BlockHash(x.data)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/validator.md#get_eth1_data
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/validator.md#get_eth1_data
 func compute_time_at_slot(genesis_time: uint64, slot: Slot): uint64 =
   genesis_time + slot * SECONDS_PER_SLOT
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/validator.md#get_eth1_data
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/validator.md#get_eth1_data
 func voting_period_start_time(state: ForkedHashedBeaconState): uint64 =
   let eth1_voting_period_start_slot =
     getStateField(state, slot) - getStateField(state, slot) mod
       SLOTS_PER_ETH1_VOTING_PERIOD.uint64
   compute_time_at_slot(
     getStateField(state, genesis_time), eth1_voting_period_start_slot)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/validator.md#get_eth1_data
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/validator.md#get_eth1_data
 func is_candidate_block(cfg: RuntimeConfig,
                         blk: Eth1Block,
                         period_start: uint64): bool =
@@ -275,7 +275,7 @@ proc trackFinalizedState*(chain: var Eth1Chain,
   if result:
     chain.pruneOldBlocks(finalizedStateDepositIndex)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/validator.md#get_eth1_data
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/validator.md#get_eth1_data
 proc getBlockProposalData*(chain: var Eth1Chain,
                            state: ForkedHashedBeaconState,
                            finalizedEth1Data: Eth1Data,

beacon_chain/el/merkle_minimal.nim

@@ -7,7 +7,7 @@
 
 {.push raises: [].}
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/tests/core/pyspec/eth2spec/utils/merkle_minimal.py
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/tests/core/pyspec/eth2spec/utils/merkle_minimal.py
 
 # Merkle tree helpers
 # ---------------------------------------------------------------

beacon_chain/fork_choice/fork_choice.nim

@@ -377,7 +377,7 @@ proc get_head*(self: var ForkChoice,
     self.checkpoints.justified.balances,
     self.checkpoints.proposer_boost_root)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/fork_choice/safe-block.md#get_safe_beacon_block_root
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/fork_choice/safe-block.md#get_safe_beacon_block_root
 func get_safe_beacon_block_root*(self: ForkChoice): Eth2Digest =
   # Use most recent justified block as a stopgap
   self.checkpoints.justified.checkpoint.root

beacon_chain/gossip_processing/block_processor.nim

@@ -794,7 +794,7 @@ proc processBlock(
     # - MUST NOT optimistically import the block.
     # - MUST NOT apply the block to the fork choice store.
     # - MAY queue the block for later processing.
-    # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/sync/optimistic.md#execution-engine-errors
+    # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/sync/optimistic.md#execution-engine-errors
     await sleepAsync(chronos.seconds(1))
     self[].enqueueBlock(
       entry.src, entry.blck, entry.blobs, entry.resfut, entry.maybeFinalized,

beacon_chain/gossip_processing/gossip_validation.nim

@@ -281,7 +281,7 @@ template validateBeaconBlockBellatrix(
   #
   # `is_merge_transition_complete(state)` tests for
   # `state.latest_execution_payload_header != ExecutionPayloadHeader()`, while
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/bellatrix/beacon-chain.md#block-processing
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/bellatrix/beacon-chain.md#block-processing
   # shows that `state.latest_execution_payload_header` being default or not is
   # exactly equivalent to whether that block's execution payload is default or
   # not, so test cached block information rather than reconstructing a state.
@@ -1029,7 +1029,7 @@ proc validateAggregate*(
 
   return ok((attesting_indices, sig))
 
-# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/capella/p2p-interface.md#bls_to_execution_change
+# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/capella/p2p-interface.md#bls_to_execution_change
 proc validateBlsToExecutionChange*(
     pool: ValidatorChangePool, batchCrypto: ref BatchCrypto,
     signed_address_change: SignedBLSToExecutionChange,

beacon_chain/libnimbus_lc/libnimbus_lc.h

@@ -94,7 +94,7 @@ typedef struct ETHConsensusConfig ETHConsensusConfig;
  *         based on the given `config.yaml` file content - If successful.
  * @return `NULL` - If the given `config.yaml` is malformed or incompatible.
  *
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/configs/README.md
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/configs/README.md
  */
 ETH_RESULT_USE_CHECK
 ETHConsensusConfig *ETHConsensusConfigCreateFromYaml(const char *configFileContent);
@@ -150,10 +150,10 @@ typedef struct ETHBeaconState ETHBeaconState;
  * @return `NULL` - If the given `sszBytes` is malformed.
  *
  * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#beaconstate
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/beacon-chain.md#beaconstate
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/bellatrix/beacon-chain.md#beaconstate
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/beacon-chain.md#beaconstate
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/bellatrix/beacon-chain.md#beaconstate
  * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#beaconstate
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/configs/README.md
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/configs/README.md
  */
 ETH_RESULT_USE_CHECK
 ETHBeaconState *ETHBeaconStateCreateFromSsz(
@@ -323,8 +323,8 @@ typedef struct ETHLightClientStore ETHLightClientStore;
  *
  * @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Beacon/getLightClientBootstrap
  * @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Events/eventstream
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/light-client/light-client.md
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/weak-subjectivity.md#weak-subjectivity-period
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/light-client/light-client.md
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/weak-subjectivity.md#weak-subjectivity-period
  */
 ETH_RESULT_USE_CHECK
 ETHLightClientStore *ETHLightClientStoreCreateFromBootstrap(
@@ -596,7 +596,7 @@ const ETHLightClientHeader *ETHLightClientStoreGetFinalizedHeader(
  * @return Whether or not the next sync committee is currently known.
  *
  * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#is_next_sync_committee_known
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/light-client/light-client.md
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/light-client/light-client.md
  */
 ETH_RESULT_USE_CHECK
 bool ETHLightClientStoreIsNextSyncCommitteeKnown(const ETHLightClientStore *store);
@@ -773,7 +773,7 @@ const ETHRoot *ETHBeaconBlockHeaderGetBodyRoot(const ETHBeaconBlockHeader *beaco
  *
  * @return Pointer to a copy of the given header's execution block hash.
  *
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/deneb/beacon-chain.md#executionpayloadheader
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/deneb/beacon-chain.md#executionpayloadheader
  */
 ETH_RESULT_USE_CHECK
 ETHRoot *ETHLightClientHeaderCopyExecutionHash(
@@ -796,7 +796,7 @@ typedef struct ETHExecutionPayloadHeader ETHExecutionPayloadHeader;
  *
  * @return Execution payload header.
  *
- * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/deneb/beacon-chain.md#executionpayloadheader
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/deneb/beacon-chain.md#executionpayloadheader
  */
 ETH_RESULT_USE_CHECK
 const ETHExecutionPayloadHeader *ETHLightClientHeaderGetExecution(

beacon_chain/libnimbus_lc/libnimbus_lc.nim

@@ -78,7 +78,7 @@ proc ETHConsensusConfigCreateFromYaml(
   ## * `NULL` - If the given `config.yaml` is malformed or incompatible.
   ##
   ## See:
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/configs/README.md
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/configs/README.md
   let cfg = RuntimeConfig.new()
   try:
     cfg[] = readRuntimeConfig($configFileContent, "config.yaml")[0]
@@ -143,10 +143,10 @@ proc ETHBeaconStateCreateFromSsz(
   ##
   ## See:
   ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#beaconstate
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/beacon-chain.md#beaconstate
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/bellatrix/beacon-chain.md#beaconstate
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/beacon-chain.md#beaconstate
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/bellatrix/beacon-chain.md#beaconstate
   ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#beaconstate
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/configs/README.md
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/configs/README.md
   let
     consensusFork = ConsensusFork.decodeString($consensusVersion).valueOr:
       return nil
@@ -327,8 +327,8 @@ proc ETHLightClientStoreCreateFromBootstrap(
   ## See:
   ## * https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Beacon/getLightClientBootstrap
   ## * https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Events/eventstream
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/light-client/light-client.md
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/weak-subjectivity.md#weak-subjectivity-period
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/light-client/light-client.md
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/weak-subjectivity.md#weak-subjectivity-period
   let
     mediaType = MediaType.init($mediaType)
     consensusFork = ConsensusFork.decodeString($consensusVersion).valueOr:
@@ -754,7 +754,7 @@ func ETHLightClientStoreIsNextSyncCommitteeKnown(
   ##
   ## See:
   ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#is_next_sync_committee_known
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/light-client/light-client.md
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/light-client/light-client.md
   store[].is_next_sync_committee_known
 
 func ETHLightClientStoreGetOptimisticHeader(
@@ -975,7 +975,7 @@ func ETHLightClientHeaderGetExecution(
   ## * Execution payload header.
   ##
   ## See:
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/deneb/beacon-chain.md#executionpayloadheader
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/deneb/beacon-chain.md#executionpayloadheader
   addr header[].execution
 
 func ETHExecutionPayloadHeaderGetParentHash(

beacon_chain/networking/eth2_network.nim

@@ -2197,7 +2197,7 @@ proc getPersistentNetKeys*(
 func gossipId(
     data: openArray[byte], phase0Prefix, topic: string): seq[byte] =
   # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/p2p-interface.md#topics-and-messages
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/p2p-interface.md#topics-and-messages
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/p2p-interface.md#topics-and-messages
   const MESSAGE_DOMAIN_VALID_SNAPPY = [0x01'u8, 0x00, 0x00, 0x00]
   let messageDigest = withEth2Hash:
     h.update(MESSAGE_DOMAIN_VALID_SNAPPY)
@@ -2522,7 +2522,7 @@ proc updateStabilitySubnetMetadata*(node: Eth2Node, attnets: AttnetBits) =
     debug "Stability subnets changed; updated ENR attnets", attnets
 
 proc updateSyncnetsMetadata*(node: Eth2Node, syncnets: SyncnetBits) =
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/validator.md#sync-committee-subnet-stability
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/validator.md#sync-committee-subnet-stability
   if node.metadata.syncnets == syncnets:
     return
 

beacon_chain/networking/peer_protocol.nim

@@ -157,7 +157,7 @@ p2pProtocol PeerSync(version = 1,
     {.libp2pProtocol("ping", 1).} =
     peer.network.metadata.seq_number
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/altair/p2p-interface.md#transitioning-from-v1-to-v2
+  # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/altair/p2p-interface.md#transitioning-from-v1-to-v2
   proc getMetaData(peer: Peer): uint64
     {.libp2pProtocol("metadata", 1).} =
     raise newException(InvalidInputsError, "GetMetaData v1 unsupported")