Source code for langchain_community.tools.ainetwork.app

import builtins
import json
from enum import Enum
from typing import List, Optional, Type, Union

from langchain_core.callbacks import AsyncCallbackManagerForToolRun
from langchain_core.pydantic_v1 import BaseModel, Field

from langchain_community.tools.ainetwork.base import AINBaseTool


[docs]class AppOperationType(str, Enum): """Type of app operation as enumerator.""" SET_ADMIN = "SET_ADMIN" GET_CONFIG = "GET_CONFIG"
[docs]class AppSchema(BaseModel): """Schema for app operations.""" type: AppOperationType = Field(...) appName: str = Field(..., description="Name of the application on the blockchain") address: Optional[Union[str, List[str]]] = Field( None, description=( "A single address or a list of addresses. Default: current session's " "address" ), )
[docs]class AINAppOps(AINBaseTool): """Tool for app operations.""" name: str = "AINappOps" description: str = """ Create an app in the AINetwork Blockchain database by creating the /apps/<appName> path. An address set as `admin` can grant `owner` rights to other addresses (refer to `AINownerOps` for more details). Also, `admin` is initialized to have all `owner` permissions and `rule` allowed for that path. ## appName Rule - [a-z_0-9]+ ## address Rules - 0x[0-9a-fA-F]{40} - Defaults to the current session's address - Multiple addresses can be specified if needed ## SET_ADMIN Example 1 - type: SET_ADMIN - appName: ain_project ### Result: 1. Path /apps/ain_project created. 2. Current session's address registered as admin. ## SET_ADMIN Example 2 - type: SET_ADMIN - appName: test_project - address: [<address1>, <address2>] ### Result: 1. Path /apps/test_project created. 2. <address1> and <address2> registered as admin. """ # noqa: E501 args_schema: Type[BaseModel] = AppSchema async def _arun( self, type: AppOperationType, appName: str, address: Optional[Union[str, List[str]]] = None, run_manager: Optional[AsyncCallbackManagerForToolRun] = None, ) -> str: from ain.types import ValueOnlyTransactionInput from ain.utils import getTimestamp try: if type is AppOperationType.SET_ADMIN: if address is None: address = self.interface.wallet.defaultAccount.address if isinstance(address, str): address = [address] res = await self.interface.db.ref( f"/manage_app/{appName}/create/{getTimestamp()}" ).setValue( transactionInput=ValueOnlyTransactionInput( value={"admin": {address: True for address in address}} ) ) elif type is AppOperationType.GET_CONFIG: res = await self.interface.db.ref( f"/manage_app/{appName}/config" ).getValue() else: raise ValueError(f"Unsupported 'type': {type}.") return json.dumps(res, ensure_ascii=False) except Exception as e: return f"{builtins.type(e).__name__}: {str(e)}"