Add EIP-7805 (FOCIL) specs (ethereum#4003)

Author: terencechain

.gitignore

@@ -27,6 +27,7 @@ tests/core/pyspec/eth2spec/fulu/
 tests/core/pyspec/eth2spec/eip6800/
 tests/core/pyspec/eth2spec/eip7441/
 tests/core/pyspec/eth2spec/eip7732/
+tests/core/pyspec/eth2spec/eip7805/
 
 # coverage reports
 .htmlcov

Makefile

@@ -12,7 +12,8 @@ ALL_EXECUTABLE_SPEC_NAMES = \
 	fulu      \
 	eip6800   \
 	eip7441   \
-	eip7732
+	eip7732   \
+  eip7805
 
 # A list of fake targets.
 .PHONY: \
@@ -265,4 +266,4 @@ kzg_setups: pyspec
 
 # Delete all untracked files.
 clean:
-	@git clean -fdx
+	@git clean -fdx

configs/mainnet.yaml

@@ -181,3 +181,8 @@ PROPOSER_SELECTION_GAP: 2
 
 # EIP7732
 MAX_REQUEST_PAYLOADS: 128
+
+# EIP7805
+ATTESTATION_DEADLINE: 4
+PROPOSER_INCLUSION_LIST_CUT_OFF: 11
+VIEW_FREEZE_DEADLINE: 9

configs/minimal.yaml

@@ -182,3 +182,8 @@ PROPOSER_SELECTION_GAP: 1
 
 # EIP7732
 MAX_REQUEST_PAYLOADS: 128
+
+# EIP7805
+ATTESTATION_DEADLINE: 2
+PROPOSER_INCLUSION_LIST_CUT_OFF: 5
+VIEW_FREEZE_DEADLINE: 3

pysetup/constants.py

@@ -9,6 +9,7 @@
 EIP6800 = 'eip6800'
 EIP7441 = 'eip7441'
 EIP7732 = 'eip7732'
+EIP7805 = 'eip7805'
 
 
 # The helper functions that are used when defining constants

pysetup/helpers.py

@@ -198,7 +198,7 @@ def combine_dicts(old_dict: Dict[str, T], new_dict: Dict[str, T]) -> Dict[str, T
     'uint8', 'uint16', 'uint32', 'uint64', 'uint128', 'uint256',
     'bytes', 'byte', 'ByteList', 'ByteVector',
     'Dict', 'dict', 'field', 'ceillog2', 'floorlog2', 'Set',
-    'Optional', 'Sequence',
+    'Optional', 'Sequence', 'Tuple',
 ]
 
 

pysetup/md_doc_paths.py

@@ -11,6 +11,7 @@
     EIP6800,
     EIP7441,
     EIP7732,
+    EIP7805,
 )
 
 
@@ -25,6 +26,7 @@
     EIP6800: DENEB,
     EIP7441: CAPELLA,
     EIP7732: ELECTRA,
+    EIP7805: ELECTRA,
 }
 
 ALL_FORKS = list(PREVIOUS_FORK_OF.keys())

pysetup/spec_builders/__init__.py

@@ -8,12 +8,14 @@
 from .eip6800 import EIP6800SpecBuilder
 from .eip7441 import EIP7441SpecBuilder
 from .eip7732 import EIP7732SpecBuilder
+from .eip7805 import EIP7805SpecBuilder
 
 
 spec_builders = {
     builder.fork: builder
     for builder in (
         Phase0SpecBuilder, AltairSpecBuilder, BellatrixSpecBuilder, CapellaSpecBuilder, DenebSpecBuilder,
         ElectraSpecBuilder, FuluSpecBuilder, EIP6800SpecBuilder, EIP7441SpecBuilder, EIP7732SpecBuilder,
+        EIP7805SpecBuilder,
     )
 }

pysetup/spec_builders/eip7805.py

@@ -0,0 +1,47 @@
+from .base import BaseSpecBuilder
+from ..constants import EIP7805
+
+
+class EIP7805SpecBuilder(BaseSpecBuilder):
+    fork: str = EIP7805
+
+
+    @classmethod
+    def execution_engine_cls(cls) -> str:
+        return """
+class NoopExecutionEngine(ExecutionEngine):
+
+    def notify_new_payload(self: ExecutionEngine,
+                           execution_payload: ExecutionPayload,
+                           parent_beacon_block_root: Root,
+                           execution_requests_list: Sequence[bytes],
+                           inclusion_list_transactions: Sequence[Transaction]) -> bool:
+        return True
+
+    def notify_forkchoice_updated(self: ExecutionEngine,
+                                  head_block_hash: Hash32,
+                                  safe_block_hash: Hash32,
+                                  finalized_block_hash: Hash32,
+                                  payload_attributes: Optional[PayloadAttributes]) -> Optional[PayloadId]:
+        pass
+
+    def get_payload(self: ExecutionEngine, payload_id: PayloadId) -> GetPayloadResponse:
+        # pylint: disable=unused-argument
+        raise NotImplementedError("no default block production")
+
+    def is_valid_block_hash(self: ExecutionEngine,
+                            execution_payload: ExecutionPayload,
+                            parent_beacon_block_root: Root,
+                            execution_requests_list: Sequence[bytes],
+                            inclusion_list_transactions: Sequence[Transaction]) -> bool:
+        return True
+
+    def is_valid_versioned_hashes(self: ExecutionEngine, new_payload_request: NewPayloadRequest) -> bool:
+        return True
+
+    def verify_and_notify_new_payload(self: ExecutionEngine,
+                                      new_payload_request: NewPayloadRequest) -> bool:
+        return True
+
+
+EXECUTION_ENGINE = NoopExecutionEngine()"""