import json
from web3 import Web3
infura_url="https://mainnet.infura.io/v3/5b314a9b373442fc8ed0c9cd184e838f"
web3 =Web3(Web3.HTTPProvider(infura_url))
abi=json.loads('[{"constant":true,"inputs":..........] large array')
address="0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
contract=web3.eth.contract(address=address,abi=abi)
totalSupply=contract.functions.totalSupply().call()
print(totalSupply)
print(contract.functions.name().call())
print(contract.functions.symbol().call())
balance=contract.functions.balanceOf('0x2551d2357c8da54b7d330917e0e769d33f1f5b93').call()
print(web3.feromWei(balance,ether))
但是当我运行这个代码时,我得到了这个错误
web3.exceptions.InvalidAddress: ('Web3.py only accepts checksum addresses. The software that gave you this non-checksum address should be considered unsafe, please file it as a bug on their platform. Try using an ENS name instead. Or, if you must accept lower safety, use Web3.toChecksumAddress(lower_case_address).', '0x2551d2357c8da54b7d330917e0e769d33f1f5b93')--> error at this line
可能的解决方案:
您没有显示您的Web3版本,此时fromWei函数已过时并从文档中删除。你知道吗
contract.functions.balanceOf('0x2551d2357c8da54b7d330917e0e769d33f1f5b93').call()
上面的函数出错,因为插入的地址不是校验和地址。如果你不明白什么是校验和地址,here你有一个很好的解释,在这种情况下该怎么办?显然,您需要将在
contract.functions.balanceOf
上插入的地址转换为checksum address。你知道吗相关问题 更多 >
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