Enable eip7668 pytest

configs/mainnet.yaml

@@ -56,6 +56,9 @@ EIP6110_FORK_EPOCH: 18446744073709551615
 # EIP7002
 EIP7002_FORK_VERSION: 0x05000000  # temporary stub
 EIP7002_FORK_EPOCH: 18446744073709551615
+# EIP7668
+EIP7668_FORK_VERSION: 0x05000000  # temporary stub
+EIP7668_FORK_EPOCH: 18446744073709551615
 # WHISK
 WHISK_FORK_VERSION: 0x06000000  # temporary stub
 WHISK_FORK_EPOCH: 18446744073709551615
@@ -146,3 +149,6 @@ BLOB_SIDECAR_SUBNET_COUNT: 6
 WHISK_EPOCHS_PER_SHUFFLING_PHASE: 256
 # `Epoch(2)`
 WHISK_PROPOSER_SELECTION_GAP: 2
+
+# EIP7668
+MAX_PER_EPOCH_INBOUND_CHURN_LIMIT: 12

configs/minimal.yaml

@@ -55,6 +55,9 @@ EIP6110_FORK_EPOCH: 18446744073709551615
 # EIP7002
 EIP7002_FORK_VERSION: 0x05000001
 EIP7002_FORK_EPOCH: 18446744073709551615
+# EIP7668
+EIP7668_FORK_VERSION: 0x05000001  # temporary stub
+EIP7668_FORK_EPOCH: 18446744073709551615
 # WHISK
 WHISK_FORK_VERSION: 0x06000001
 WHISK_FORK_EPOCH: 18446744073709551615
@@ -145,3 +148,6 @@ BLOB_SIDECAR_SUBNET_COUNT: 6
 # Whisk
 WHISK_EPOCHS_PER_SHUFFLING_PHASE: 4
 WHISK_PROPOSER_SELECTION_GAP: 1
+
+# EIP7668
+MAX_PER_EPOCH_INBOUND_CHURN_LIMIT: 12

tests/core/pyspec/eth2spec/test/context.py

@@ -10,12 +10,13 @@ from eth2spec.capella import mainnet as spec_capella_mainnet, minimal as spec_ca
 from eth2spec.deneb import mainnet as spec_deneb_mainnet, minimal as spec_deneb_minimal
 from eth2spec.eip6110 import mainnet as spec_eip6110_mainnet, minimal as spec_eip6110_minimal
 from eth2spec.eip7002 import mainnet as spec_eip7002_mainnet, minimal as spec_eip7002_minimal
+from eth2spec.eip7668 import mainnet as spec_eip7668_mainnet, minimal as spec_eip7668_minimal
 from eth2spec.utils import bls
 
 from .exceptions import SkippedTest
 from .helpers.constants import (
     PHASE0, ALTAIR, BELLATRIX, CAPELLA, DENEB,
-    EIP6110, EIP7002,
+    EIP6110, EIP7002, EIP7668,
     MINIMAL, MAINNET,
     ALL_PHASES,
     ALL_FORK_UPGRADES,
@@ -85,6 +86,7 @@ spec_targets: Dict[PresetBaseName, Dict[SpecForkName, Spec]] = {
         DENEB: spec_deneb_minimal,
         EIP6110: spec_eip6110_minimal,
         EIP7002: spec_eip7002_minimal,
+        EIP7668: spec_eip7668_minimal,
     },
     MAINNET: {
         PHASE0: spec_phase0_mainnet,
@@ -94,6 +96,7 @@ spec_targets: Dict[PresetBaseName, Dict[SpecForkName, Spec]] = {
         DENEB: spec_deneb_mainnet,
         EIP6110: spec_eip6110_mainnet,
         EIP7002: spec_eip7002_mainnet,
+        EIP7668: spec_eip7668_mainnet,
     },
 }
 

tests/core/pyspec/eth2spec/test/helpers/constants.py

@@ -18,6 +18,7 @@ CUSTODY_GAME = SpecForkName('custody_game')
 DAS = SpecForkName('das')
 EIP6110 = SpecForkName('eip6110')
 EIP7002 = SpecForkName('eip7002')
+EIP7668 = SpecForkName('eip7668')
 
 #
 # SpecFork settings
@@ -34,6 +35,7 @@ ALL_PHASES = (
     # Experimental patches
     EIP6110,
     EIP7002,
+    EIP7668,
 )
 # The forks that have light client specs
 LIGHT_CLIENT_TESTING_FORKS = (*[item for item in MAINNET_FORKS if item != PHASE0], DENEB)

tests/core/pyspec/eth2spec/test/helpers/forks.py

@@ -1,10 +1,12 @@
 from .constants import (
     PHASE0, ALTAIR, BELLATRIX, CAPELLA, DENEB,
-    EIP6110, EIP7002,
+    EIP6110, EIP7002, EIP7668,
 )
 
 
 def is_post_fork(a, b):
+    if a == EIP7668:
+        return b in [PHASE0, ALTAIR, BELLATRIX, CAPELLA, EIP7668]
     if a == EIP7002:
         return b in [PHASE0, ALTAIR, BELLATRIX, CAPELLA, EIP7002]
     if a == EIP6110:

tests/core/pyspec/eth2spec/test/helpers/genesis.py

@@ -1,5 +1,5 @@
 from eth2spec.test.helpers.constants import (
-    ALTAIR, BELLATRIX, CAPELLA, DENEB, EIP6110, EIP7002,
+    ALTAIR, BELLATRIX, CAPELLA, DENEB, EIP6110, EIP7002, EIP7668,
 )
 from eth2spec.test.helpers.execution_payload import (
     compute_el_header_block_hash,
@@ -93,6 +93,9 @@ def create_genesis_state(spec, validator_balances, activation_threshold):
     elif spec.fork == EIP7002:
         previous_version = spec.config.CAPELLA_FORK_VERSION
         current_version = spec.config.EIP7002_FORK_VERSION
+    elif spec.fork == EIP7668:
+        previous_version = spec.config.CAPELLA_FORK_VERSION
+        current_version = spec.config.EIP7668_FORK_VERSION
 
     state = spec.BeaconState(
         genesis_time=0,