from __future__ import annotations

from typing import Dict, Any


class ContractRegistry:
    def __init__(self):
        self._contracts: Dict[str, Dict[str, Any]] = {}

    def register(self, adapter_name: str, version: str, contract: Dict[str, Any]) -> None:
        self._contracts[(adapter_name, version)] = contract

    def get(self, adapter_name: str, version: str) -> Dict[str, Any] | None:
        return self._contracts.get((adapter_name, version))

    def all(self) -> Dict[str, Any]:
        return self._contracts