Add EIP-6800 linter checks.

Fix the lint errors.
Remove custom type `StateDiff` and then use `List[StemStateDiff, MAX_STEMS]` directly in `ExecutionWitness`.

Author: hwwhww

.gitignore

@@ -24,6 +24,7 @@ tests/core/pyspec/eth2spec/deneb/
 tests/core/pyspec/eth2spec/electra/
 tests/core/pyspec/eth2spec/whisk/
 tests/core/pyspec/eth2spec/eip7594/
+tests/core/pyspec/eth2spec/eip6800/
 
 # coverage reports
 .htmlcov

Makefile

@@ -35,7 +35,7 @@ MARKDOWN_FILES = $(wildcard $(SPEC_DIR)/*/*.md) \
                  $(wildcard $(SPEC_DIR)/_features/*/*/*.md) \
                  $(wildcard $(SSZ_DIR)/*.md)
 
-ALL_EXECUTABLE_SPEC_NAMES = phase0 altair bellatrix capella deneb electra whisk
+ALL_EXECUTABLE_SPEC_NAMES = phase0 altair bellatrix capella deneb electra whisk eip6800
 # The parameters for commands. Use `foreach` to avoid listing specs again.
 COVERAGE_SCOPE := $(foreach S,$(ALL_EXECUTABLE_SPEC_NAMES), --cov=eth2spec.$S.$(TEST_PRESET_TYPE))
 PYLINT_SCOPE := $(foreach S,$(ALL_EXECUTABLE_SPEC_NAMES), ./eth2spec/$S)

presets/mainnet/eip6800.yaml

@@ -0,0 +1,12 @@
+# Mainnet preset - EIP6800
+
+# Misc
+# ---------------------------------------------------------------
+# `uint64(2**16)` (= 65,536) 
+MAX_STEMS: 65536
+# `uint64(33)`
+MAX_COMMITMENTS_PER_STEM: 33
+# `uint64(2**8)` (= 256)
+VERKLE_WIDTH: 256
+# `uint64(2**3)` (= 8)
+IPA_PROOF_DEPTH: 8

presets/minimal/eip6800.yaml

@@ -0,0 +1,12 @@
+# Minimal preset - EIP6800
+
+# Execution
+# ---------------------------------------------------------------
+# `uint64(2**16)` (= 65,536) 
+MAX_STEMS: 65536
+# `uint64(33)`
+MAX_COMMITMENTS_PER_STEM: 33
+# `uint64(2**8)` (= 256)
+VERKLE_WIDTH: 256
+# `uint64(2**3)` (= 8)
+IPA_PROOF_DEPTH: 8

pysetup/constants.py

@@ -6,10 +6,10 @@
 DENEB = 'deneb'
 ELECTRA = 'electra'
 EIP7594 = 'eip7594'
+EIP6800 = 'eip6800'
 WHISK = 'whisk'
 
 
-
 # The helper functions that are used when defining constants
 CONSTANT_DEP_SUNDRY_CONSTANTS_FUNCTIONS = '''
 def ceillog2(x: int) -> uint64:

pysetup/helpers.py

@@ -178,7 +178,7 @@ def combine_dicts(old_dict: Dict[str, T], new_dict: Dict[str, T]) -> Dict[str, T
 
 ignored_dependencies = [
     'bit', 'boolean', 'Vector', 'List', 'Container', 'BLSPubkey', 'BLSSignature',
-    'Bytes1', 'Bytes4', 'Bytes8', 'Bytes20', 'Bytes32', 'Bytes48', 'Bytes96', 'Bitlist', 'Bitvector',
+    'Bytes1', 'Bytes4', 'Bytes8', 'Bytes20', 'Bytes31', 'Bytes32', 'Bytes48', 'Bytes96', 'Bitlist', 'Bitvector',
     'uint8', 'uint16', 'uint32', 'uint64', 'uint128', 'uint256',
     'bytes', 'byte', 'ByteList', 'ByteVector',
     'Dict', 'dict', 'field', 'ceillog2', 'floorlog2', 'Set',

pysetup/md_doc_paths.py

@@ -9,6 +9,7 @@
     ELECTRA,
     WHISK,
     EIP7594,
+    EIP6800,
 )
 
 
@@ -21,6 +22,7 @@
     ELECTRA: DENEB,
     WHISK: CAPELLA,
     EIP7594: DENEB,
+    EIP6800: DENEB,
 }
 
 ALL_FORKS = list(PREVIOUS_FORK_OF.keys())

pysetup/spec_builders/__init__.py

@@ -6,12 +6,13 @@
 from .electra import ElectraSpecBuilder
 from .whisk import WhiskSpecBuilder
 from .eip7594 import EIP7594SpecBuilder
+from .eip6800 import EIP6800SpecBuilder
 
 
 spec_builders = {
     builder.fork: builder
     for builder in (
         Phase0SpecBuilder, AltairSpecBuilder, BellatrixSpecBuilder, CapellaSpecBuilder, DenebSpecBuilder,
-        ElectraSpecBuilder, WhiskSpecBuilder, EIP7594SpecBuilder,
+        ElectraSpecBuilder, WhiskSpecBuilder, EIP7594SpecBuilder, EIP6800SpecBuilder,
     )
 }

pysetup/spec_builders/eip6800.py

@@ -0,0 +1,21 @@
+from typing import Dict
+
+from .base import BaseSpecBuilder
+from ..constants import EIP6800
+
+
+class EIP6800SpecBuilder(BaseSpecBuilder):
+    fork: str = EIP6800
+
+    @classmethod
+    def imports(cls, preset_name: str):
+        return f'''
+from eth2spec.deneb import {preset_name} as deneb
+from eth2spec.utils.ssz.ssz_typing import Bytes31
+'''
+
+    @classmethod
+    def hardcoded_custom_type_dep_constants(cls, spec_object) -> str:
+        return {
+            'MAX_STEMS': spec_object.preset_vars['MAX_STEMS'].value,
+        }

setup.py

@@ -219,7 +219,13 @@ def get_spec(file_name: Path, preset: Dict[str, str], config: Dict[str, str], pr
             elif source.startswith("class"):
                 class_name, parent_class = _get_class_info_from_source(source)
                 # check consistency with spec
-                assert class_name == current_name
+                try:
+                    assert class_name == current_name
+                except Exception:
+                    print('class_name', class_name)
+                    print('current_name', current_name)
+                    raise
+
                 if parent_class:
                     assert parent_class == "Container"
                 # NOTE: trim whitespace from spec