// NAC跨链桥简化版合约 v2
// 遵循Charter语法规范

module cross_chain_bridge;

contract CrossChainBridge {
    admin: address;
    paused: bool;
    request_counter: uint64;
    
    public fn constructor(admin_address: address) {
        self.admin = admin_address;
        self.paused = false;
        self.request_counter = 0;
    }
    
    public fn pause() -> bool {
        require(msg.sender == self.admin, "Only admin can pause");
        self.paused = true;
        return true;
    }
    
    public fn unpause() -> bool {
        require(msg.sender == self.admin, "Only admin can unpause");
        self.paused = false;
        return true;
    }
    
    public view fn is_paused() -> bool {
        return self.paused;
    }
    
    public view fn get_request_count() -> uint64 {
        return self.request_counter;
    }
}