fix(specs,testing): Fix serializaiton to use camelCase; refactor model impls

CONTRIBUTING.md

@@ -6,7 +6,7 @@
 2. Install dependencies: `uv sync --all-packages`
 3. Make your changes
 4. Run checks: `uvx tox -e all-checks`
-5. Run tests: `uvx pytest`
+5. Run tests: `uvx tox -e pytest`
 6. Submit a pull request
 
 ## Pull Request Guidelines

packages/testing/src/consensus_testing/__init__.py

@@ -2,11 +2,7 @@
 
 from typing import Type
 
-from framework.base_types import CamelModel
-
 from . import forks
-from .block_spec import BlockSpec
-from .genesis import generate_pre_state
 from .test_fixtures import (
     BaseConsensusFixture,
     ForkChoiceTest,
@@ -15,11 +11,13 @@
 from .test_types import (
     AttestationStep,
     BaseForkChoiceStep,
+    BlockSpec,
     BlockStep,
     ForkChoiceStep,
     StateExpectation,
     StoreChecks,
     TickStep,
+    generate_pre_state,
 )
 
 StateTransitionTestFiller = Type[StateTransitionTest]
@@ -31,7 +29,6 @@
     "forks",
     "generate_pre_state",
     # Base types
-    "CamelModel",
     # Fixture classes
     "BaseConsensusFixture",
     "StateTransitionTest",

packages/testing/src/consensus_testing/test_fixtures/fork_choice.py

@@ -19,8 +19,7 @@
 from lean_spec.subspecs.ssz import hash_tree_root
 from lean_spec.types import Bytes32, Bytes4000, Uint64, ValidatorIndex
 
-from ..block_spec import BlockSpec
-from ..test_types import AttestationStep, BlockStep, ForkChoiceStep, TickStep
+from ..test_types import AttestationStep, BlockSpec, BlockStep, ForkChoiceStep, TickStep
 from .base import BaseConsensusFixture
 
 

packages/testing/src/consensus_testing/test_fixtures/state_transition.py

@@ -10,8 +10,7 @@
 from lean_spec.subspecs.ssz.hash import hash_tree_root
 from lean_spec.types import Bytes32, ValidatorIndex
 
-from ..block_spec import BlockSpec
-from ..test_types import StateExpectation
+from ..test_types import BlockSpec, StateExpectation
 from .base import BaseConsensusFixture
 
 

packages/testing/src/consensus_testing/test_types/__init__.py

@@ -1,5 +1,7 @@
 """Test types for consensus test fixtures."""
 
+from .block_spec import BlockSpec
+from .genesis import generate_pre_state
 from .state_expectation import StateExpectation
 from .step_types import (
     AttestationStep,
@@ -14,8 +16,10 @@
     "StateExpectation",
     "StoreChecks",
     "BaseForkChoiceStep",
+    "BlockSpec",
     "TickStep",
     "BlockStep",
     "AttestationStep",
     "ForkChoiceStep",
+    "generate_pre_state",
 ]

packages/testing/src/consensus_testing/block_spec.py → packages/testing/src/consensus_testing/test_types/block_spec.py

@@ -1,13 +1,11 @@
 """Lightweight block specification for test definitions."""
 
-from pydantic import BaseModel
-
 from lean_spec.subspecs.containers.block import BlockBody
 from lean_spec.subspecs.containers.slot import Slot
-from lean_spec.types import Bytes32, ValidatorIndex
+from lean_spec.types import Bytes32, CamelModel, ValidatorIndex
 
 
-class BlockSpec(BaseModel):
+class BlockSpec(CamelModel):
     """
     Block specification for test definitions.
 

packages/testing/src/consensus_testing/test_types/state_expectation.py

@@ -2,16 +2,14 @@
 
 from typing import TYPE_CHECKING
 
-from pydantic import BaseModel
-
 from lean_spec.subspecs.containers.slot import Slot
-from lean_spec.types import Bytes32
+from lean_spec.types import Bytes32, CamelModel
 
 if TYPE_CHECKING:
     from lean_spec.subspecs.containers.state import State
 
 
-class StateExpectation(BaseModel):
+class StateExpectation(CamelModel):
     """
     Expected State fields after state transition (selective validation).
 

packages/testing/src/consensus_testing/test_types/step_types.py

@@ -2,16 +2,17 @@
 
 from typing import Annotated, Any, Literal, Union
 
-from pydantic import BaseModel, ConfigDict, Field, PrivateAttr, field_serializer
+from pydantic import ConfigDict, Field, PrivateAttr, field_serializer
 
 from lean_spec.subspecs.containers import SignedAttestation
 from lean_spec.subspecs.containers.block.block import Block
+from lean_spec.types import CamelModel
 
-from ..block_spec import BlockSpec
+from .block_spec import BlockSpec
 from .store_checks import StoreChecks
 
 
-class BaseForkChoiceStep(BaseModel):
+class BaseForkChoiceStep(CamelModel):
     """
     Base class for fork choice event steps.
 

packages/testing/src/consensus_testing/test_types/store_checks.py

@@ -2,16 +2,14 @@
 
 from typing import TYPE_CHECKING
 
-from pydantic import BaseModel
-
 from lean_spec.subspecs.containers.slot import Slot
-from lean_spec.types import Bytes32, Uint64
+from lean_spec.types import Bytes32, CamelModel, Uint64
 
 if TYPE_CHECKING:
     from lean_spec.subspecs.forkchoice.store import Store
 
 
-class StoreChecks(BaseModel):
+class StoreChecks(CamelModel):
     """
     Store state checks for fork choice tests.
 

packages/testing/src/framework/__init__.py

@@ -4,9 +4,3 @@
 This module provides base classes and utilities that are common across
 both consensus and execution layer testing.
 """
-
-from framework.base_types import CamelModel
-
-__all__ = [
-    "CamelModel",
-]

packages/testing/src/framework/test_fixtures/base.py

@@ -7,8 +7,8 @@
 
 from pydantic import Field
 
-from framework.base_types import CamelModel
 from framework.forks import BaseFork
+from lean_spec.types import CamelModel
 
 
 class BaseFixture(CamelModel):
@@ -117,9 +117,9 @@ def fill_info(
         """
         if "comment" not in self.info:
             self.info["comment"] = "`leanSpec` generated test"
-        self.info["test-id"] = test_id
+        self.info["testId"] = test_id
         self.info["description"] = description
-        self.info["fixture-format"] = self.format_name
+        self.info["fixtureFormat"] = self.format_name
 
         # Set network field on the fixture itself
         self.network = fork.name()

src/lean_spec/subspecs/chain/config.py

@@ -5,10 +5,9 @@
 Lean Consensus Experimental Chain.
 """
 
-from pydantic import BaseModel, ConfigDict
 from typing_extensions import Final
 
-from lean_spec.types import BasisPoint, Uint64
+from lean_spec.types import BasisPoint, StrictBaseModel, Uint64
 
 # --- Time Parameters ---
 
@@ -75,15 +74,12 @@
 """The maximum number of validators that can be in the registry."""
 
 
-class _ChainConfig(BaseModel):
+class _ChainConfig(StrictBaseModel):
     """
     A model holding the canonical, immutable configuration constants
     for the chain.
     """
 
-    # Configuration to make the model immutable.
-    model_config = ConfigDict(frozen=True, extra="forbid")
-
     # Time Parameters
     slot_duration_ms: Uint64
     second_per_slot: Uint64

src/lean_spec/subspecs/koalabear/field.py

@@ -2,7 +2,9 @@
 
 from typing import Self
 
-from pydantic import BaseModel, ConfigDict, Field, field_validator
+from pydantic import Field, field_validator
+
+from lean_spec.types import StrictBaseModel
 
 # =================================================================
 # Field Constants
@@ -67,11 +69,9 @@
 # =================================================================
 
 
-class Fp(BaseModel):
+class Fp(StrictBaseModel):
     """An element in the KoalaBear prime field F_p."""
 
-    model_config = ConfigDict(frozen=True)
-
     value: int = Field(ge=0, lt=P, description="Field element value in the range [0, P)")
 
     @field_validator("value", mode="before")

src/lean_spec/subspecs/poseidon2/permutation.py

@@ -8,8 +8,9 @@
 from itertools import chain
 from typing import List
 
-from pydantic import BaseModel, ConfigDict, Field, model_validator
+from pydantic import Field, model_validator
 
+from ...types import StrictBaseModel
 from ..koalabear.field import Fp
 from .constants import (
     ROUND_CONSTANTS_16,
@@ -30,11 +31,9 @@
 """
 
 
-class Poseidon2Params(BaseModel):
+class Poseidon2Params(StrictBaseModel):
     """Parameters for a specific Poseidon2 instance."""
 
-    model_config = ConfigDict(frozen=True, arbitrary_types_allowed=True)
-
     width: int = Field(gt=0, description="The size of the state (t).")
     rounds_f: int = Field(gt=0, description="Total number of 'full' rounds.")
     rounds_p: int = Field(ge=0, description="Total number of 'partial' rounds.")

src/lean_spec/subspecs/ssz/merkle_proof/gindex.py

@@ -2,18 +2,18 @@
 
 from typing import List
 
-from pydantic import BaseModel, ConfigDict, Field
+from pydantic import Field
 
+from lean_spec.types import StrictBaseModel
 
-class GeneralizedIndex(BaseModel):
+
+class GeneralizedIndex(StrictBaseModel):
     """
     Represents a Generalized Merkle Tree Index.
 
     Helper methods are provided for tree navigation.
     """
 
-    model_config = ConfigDict(strict=True)
-
     value: int = Field(..., gt=0, description="The index value, must be a positive integer.")
 
     def __hash__(self) -> int:

src/lean_spec/subspecs/ssz/merkle_proof/proof.py

@@ -6,7 +6,7 @@
 
 from pydantic import Field, model_validator
 
-from lean_spec.types.base import StrictBaseModel
+from lean_spec.types import StrictBaseModel
 from lean_spec.types.byte_arrays import Bytes32
 
 from ..constants import ZERO_HASH

src/lean_spec/subspecs/xmss/constants.py

@@ -9,17 +9,16 @@
 We also provide a test instantiation for testing purposes.
 """
 
-from pydantic import BaseModel, ConfigDict
 from typing_extensions import Final
 
+from lean_spec.types import StrictBaseModel
+
 from ..koalabear import Fp
 
 
-class XmssConfig(BaseModel):
+class XmssConfig(StrictBaseModel):
     """A model holding the configuration constants for an XMSS preset."""
 
-    model_config = ConfigDict(frozen=True, extra="forbid")
-
     # --- Core Scheme Configuration ---
     MESSAGE_LENGTH: int
     """The length in bytes for all messages to be signed."""