from __future__ import annotations
from dataclasses import dataclass, field
from typing import Dict, Any, List


@dataclass
class Object:
    id: str
    type: str
    attributes: Dict[str, Any] = field(default_factory=dict)


@dataclass
class Morphism:
    id: str
    source_id: str
    target_id: str
    type: str
    signals: Dict[str, Any] = field(default_factory=dict)


@dataclass
class PlanDelta:
    timestamp: float
    actions: List[Dict[str, Any]] = field(default_factory=list)


@dataclass
class DualVariables:
    name: str
    values: Dict[str, Any] = field(default_factory=dict)


@dataclass
class GraphOfContracts:
    objects: Dict[str, Object] = field(default_factory=dict)
    morphisms: Dict[str, Morphism] = field(default_factory=dict)
    plan_delta: PlanDelta | None = None
    duals: Dict[str, DualVariables] = field(default_factory=dict)