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

97 lines
3.3 KiB
Python

from typing import Dict
from .base import BaseSpecBuilder
from ..constants import DENEB
class DenebSpecBuilder(BaseSpecBuilder):
fork: str = DENEB
@classmethod
def imports(cls, preset_name: str):
return f'''
from eth2spec.capella import {preset_name} as capella
'''
@classmethod
def classes(cls):
return f'''
class BLSFieldElement(bls.Scalar):
pass
class Polynomial(list):
def __init__(self, evals: Optional[Sequence[BLSFieldElement]] = None):
if evals is None:
evals = [BLSFieldElement(0)] * FIELD_ELEMENTS_PER_BLOB
if len(evals) != FIELD_ELEMENTS_PER_BLOB:
raise ValueError("expected FIELD_ELEMENTS_PER_BLOB evals")
super().__init__(evals)
'''
@classmethod
def preparations(cls):
return '''
T = TypeVar('T') # For generic function
TPoint = TypeVar('TPoint') # For generic function. G1 or G2 point.
'''
@classmethod
def sundry_functions(cls) -> str:
return '''
def retrieve_blobs_and_proofs(beacon_block_root: Root) -> Tuple[Sequence[Blob], Sequence[KZGProof]]:
# pylint: disable=unused-argument
return [], []
'''
@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) -> 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) -> 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()"""
@classmethod
def hardcoded_custom_type_dep_constants(cls, spec_object) -> Dict[str, str]:
return {
'BYTES_PER_FIELD_ELEMENT': spec_object.constant_vars['BYTES_PER_FIELD_ELEMENT'].value,
'FIELD_ELEMENTS_PER_BLOB': spec_object.preset_vars['FIELD_ELEMENTS_PER_BLOB'].value,
'MAX_BLOBS_PER_BLOCK': spec_object.config_vars['MAX_BLOBS_PER_BLOCK'].value,
'MAX_BLOB_COMMITMENTS_PER_BLOCK': spec_object.preset_vars['MAX_BLOB_COMMITMENTS_PER_BLOCK'].value,
}
@classmethod
def hardcoded_func_dep_presets(cls, spec_object) -> Dict[str, str]:
return {
'KZG_COMMITMENT_INCLUSION_PROOF_DEPTH': spec_object.preset_vars['KZG_COMMITMENT_INCLUSION_PROOF_DEPTH'].value,
}