"""
Federated Learning contract interface
"""
from typing import List
from web3 import Web3
from eth_typing import Address

class FLContract:
    """Interface for the FL smart contract"""
    
    def __init__(self, w3: Web3, contract_address: str):
        self.w3 = w3
        self.contract_address = contract_address
        # TODO: Load contract ABI and create contract instance
        
    def register_client(self, client_address: Address) -> bool:
        """Register a new client"""
        # TODO: Implement contract call
        return True
        
    def submit_model(self, server_address: Address, model_hash: str) -> bool:
        """Submit a model hash"""
        # TODO: Implement contract call
        return True
        
    def verify_model(self, client_address: Address, model_hash: str) -> bool:
        """Verify a model hash"""
        # TODO: Implement contract call
        return True
        
    def get_registered_clients(self) -> List[Address]:
        """Get list of registered clients"""
        # TODO: Implement contract call
        return [] 