如何使用 web3 Api Python 获得智能合约的所有权？

Question

I am practicing with web3 APIs and Python. I would like to extract the ownership of a specific smart contract giving the contract address (or smart contract) as input and getting as output the ownership of the contract.

For example if I check this contract 0x2A9718defF471f3Bb91FA0ECEAB14154F150a385 on BscScan reading the contract on point n.11 I can see the ownership is owned by this address 0x42997cf4fc165ebb8269cffc54a3198984367f02 . How to automatize this process with web3 APIs on python? Or do you know any other method to get it except of selenium webdriver?

Answer 1

I'm not using web3 and bitcoins but digging in internet (using Google ) I found similar portal with questions about Ethereum and question web3js - How to get value of a contract public property using web3.eth with code in JavaScript

Digging in Python examples on internet I created version in Python

from web3 import Web3

bsc = "https://bsc-dataseed.binance.org/"
web3 = Web3(Web3.HTTPProvider(bsc))

print("connected:", web3.isConnected())

abi = '''[
    {
      "constant": true,
      "inputs": [],
      "name": "owner",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "type": "function"
    },
    {
      "inputs": [],
      "payable": false,
      "type": "constructor"
    }
]'''

contract = web3.eth.contract(address="0x2A9718defF471f3Bb91FA0ECEAB14154F150a385", abi=abi)
owner = contract.functions.owner().call()

print("owner:", owner)

And this gives me 0x42997cf4fc165ebb8269cffc54a3198984367f02