make it executable for basic linter checks & fix errors

.gitignore

@@ -23,6 +23,7 @@ tests/core/pyspec/eth2spec/capella/
 tests/core/pyspec/eth2spec/deneb/
 tests/core/pyspec/eth2spec/eip6110/
 tests/core/pyspec/eth2spec/eip7002/
+tests/core/pyspec/eth2spec/eip7549/
 tests/core/pyspec/eth2spec/whisk/
 tests/core/pyspec/eth2spec/eip7594/
 

pysetup/constants.py

@@ -6,6 +6,7 @@ CAPELLA = 'capella'
 DENEB = 'deneb'
 EIP6110 = 'eip6110'
 EIP7002 = 'eip7002'
+EIP7549 = 'eip7549'
 WHISK = 'whisk'
 EIP7594 = 'eip7594'
 

pysetup/md_doc_paths.py

@@ -7,8 +7,9 @@ from .constants import (
     CAPELLA,
     DENEB,
     EIP6110,
-    WHISK,
     EIP7002,
+    EIP7549,
+    WHISK,
     EIP7594,
 )
 
@@ -20,6 +21,7 @@ PREVIOUS_FORK_OF = {
     CAPELLA: BELLATRIX,
     DENEB: CAPELLA,
     EIP6110: DENEB,
+    EIP7549: DENEB,
     WHISK: CAPELLA,
     EIP7002: CAPELLA,
     EIP7594: DENEB,

pysetup/spec_builders/__init__.py

@@ -5,6 +5,7 @@ from .capella import CapellaSpecBuilder
 from .deneb import DenebSpecBuilder
 from .eip6110 import EIP6110SpecBuilder
 from .eip7002 import EIP7002SpecBuilder
+from .eip7549 import EIP7549SpecBuilder
 from .whisk import WhiskSpecBuilder
 from .eip7594 import EIP7594SpecBuilder
 
@@ -13,6 +14,6 @@ spec_builders = {
     builder.fork: builder
     for builder in (
         Phase0SpecBuilder, AltairSpecBuilder, BellatrixSpecBuilder, CapellaSpecBuilder, DenebSpecBuilder,
-        EIP6110SpecBuilder, EIP7002SpecBuilder, WhiskSpecBuilder, EIP7594SpecBuilder,
+        EIP6110SpecBuilder, EIP7002SpecBuilder, EIP7549SpecBuilder, WhiskSpecBuilder, EIP7594SpecBuilder,
     )
 }

pysetup/spec_builders/eip7549.py

@@ -0,0 +1,11 @@
+from .base import BaseSpecBuilder
+from ..constants import EIP7549
+
+
+class EIP7549SpecBuilder(BaseSpecBuilder):
+    fork: str = EIP7549
+
+    @classmethod
+    def imports(cls, preset_name: str):
+        return super().imports(preset_name) + f'''
+'''

specs/_features/eip7549/beacon-chain.md

@@ -41,21 +41,22 @@ This is the beacon chain specification to move the attestation committee index o
 
 ### Modified containers
 
-#### Attestation
+#### `Attestation`
 
 ```python
 class Attestation(Container):
-     aggregation_bits: List[Bitlist[MAX_VALIDATORS_PER_COMMITTEE], MAX_COMMITTEES_PER_SLOT]  # [Modified in EIP7549]
+    aggregation_bits: List[Bitlist[MAX_VALIDATORS_PER_COMMITTEE], MAX_COMMITTEES_PER_SLOT]  # [Modified in EIP7549]
-     data: AttestationData
+    data: AttestationData
-     committee_bits: Bitvector[MAX_COMMITTEES_PER_SLOT]  # [New in EIP7549]
+    committee_bits: Bitvector[MAX_COMMITTEES_PER_SLOT]  # [New in EIP7549]
-     signature: BLSSignature
+    signature: BLSSignature
 ```
 
-#### IndexedAttestation
+#### `IndexedAttestation`
 
 ```python
 class IndexedAttestation(Container):
-    attesting_indices: List[ValidatorIndex, MAX_VALIDATORS_PER_COMMITTEE * MAX_COMMITTEES_PER_SLOT]  # [Modified in EIP7549]
+    # [Modified in EIP7549]
+    attesting_indices: List[ValidatorIndex, MAX_VALIDATORS_PER_COMMITTEE * MAX_COMMITTEES_PER_SLOT]
     data: AttestationData
     signature: BLSSignature
 ```
@@ -68,7 +69,7 @@ class IndexedAttestation(Container):
 
 ```python
 def get_committee_indices(commitee_bits: Bitvector) -> List[CommitteeIndex]:
-     return [CommitteeIndex(index) for bit, index in enumerate(commitee_bits) if bit]
+    return [CommitteeIndex(index) for bit, index in enumerate(commitee_bits) if bit]
 ```
 
 ### Beacon state accessors
@@ -76,7 +77,8 @@ def get_committee_indices(commitee_bits: Bitvector) -> List[CommitteeIndex]:
 #### New `get_committee_attesters`
 
 ```python
-def get_committee_attesters(state: BeaconState, attesting_bits: Bitlist, index: CommitteeIndex) -> Set[ValidatorIndex]:
+def get_committee_attesters(state: BeaconState, data: AttestationData,
+                            attesting_bits: Bitlist, index: CommitteeIndex) -> Set[ValidatorIndex]:
     committee = get_beacon_committee(state, data.slot, index)
     return set(index for i, index in enumerate(committee) if attesting_bits[i])
 ```
@@ -93,7 +95,7 @@ def get_attesting_indices(state: BeaconState, attestation: Attestation) -> Set[V
     committee_indices = get_committee_indices(attestation.committee_bits)
     for index in committee_indices:
         attesting_bits = attestation.attesting_bits[index]
-        committee_attesters = get_committee_attesters(state, attesting_bits, index)
+        committee_attesters = get_committee_attesters(state, attestation.data, attesting_bits, index)
         output = output.union(committee_attesters)
 
     return output