eth2.0-specs/pysetup/spec_builders/bellatrix.py

67 lines
2.1 KiB
Python

from .base import BaseSpecBuilder
from ..constants import BELLATRIX
class BellatrixSpecBuilder(BaseSpecBuilder):
fork: str = BELLATRIX
@classmethod
def imports(cls, preset_name: str):
return f'''
from typing import Protocol
from eth2spec.altair import {preset_name} as altair
from eth2spec.utils.ssz.ssz_typing import Bytes8, Bytes20, ByteList, ByteVector
'''
@classmethod
def sundry_functions(cls) -> str:
return """
ExecutionState = Any
def get_pow_block(hash: Bytes32) -> Optional[PowBlock]:
return PowBlock(block_hash=hash, parent_hash=Bytes32(), total_difficulty=uint256(0))
def get_execution_state(_execution_state_root: Bytes32) -> ExecutionState:
pass
def get_pow_chain_head() -> PowBlock:
pass"""
@classmethod
def execution_engine_cls(cls) -> str:
return """
class NoopExecutionEngine(ExecutionEngine):
def notify_new_payload(self: ExecutionEngine, execution_payload: ExecutionPayload) -> 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) -> bool:
return True
def verify_and_notify_new_payload(self: ExecutionEngine,
new_payload_request: NewPayloadRequest) -> bool:
return True
EXECUTION_ENGINE = NoopExecutionEngine()"""
@classmethod
def hardcoded_custom_type_dep_constants(cls, spec_object) -> str:
return {
'MAX_BYTES_PER_TRANSACTION': spec_object.preset_vars['MAX_BYTES_PER_TRANSACTION'].value,
}