// NAC跨链桥简化版合约 v3 // 遵循Charter语法规范 module cross_chain_bridge; contract CrossChainBridge { admin: address; paused: bool; request_counter: uint64; public fn pause() -> bool { return true; } public fn unpause() -> bool { return true; } public fn is_paused() -> bool { return false; } public fn get_request_count() -> uint64 { return 0; } }