HTTPError：401 客戶端錯誤：未經授權的 url：https://rinkeby.infura.io/v3/

我收到此錯誤

Brownie v1.15.1 - Python development framework for Ethereum

NftMixProject is the active project.
 File "brownie/_cli/__main__.py", line 64, in main
   importlib.import_module(f"brownie._cli.{cmd}").main()
 File "brownie/_cli/run.py", line 43, in main
   network.connect(CONFIG.argv["network"])
 File "brownie/network/main.py", line 55, in connect
   p._load_deployments()
 File "brownie/project/main.py", line 357, in _load_deployments
   contract = ProjectContract(self, build, build_json.stem)
 File "brownie/network/contract.py", line 1291, in __init__
   _DeployedContractBase.__init__(self, address, owner, tx)
 File "brownie/network/contract.py", line 755, in __init__
   self.bytecode = web3.eth.get_code(address).hex()[2:]
 File "web3/module.py", line 57, in caller
   result = w3.manager.request_blocking(method_str,
 File "web3/manager.py", line 180, in request_blocking
   response = self._make_request(method, params)
 File "web3/manager.py", line 141, in _make_request
   return request_func(method, params)
 File "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__
 File "web3/middleware/formatting.py", line 76, in apply_formatters
   response = make_request(method, params)
 File "web3/middleware/gas_price_strategy.py", line 80, in middleware
   return make_request(method, params)
 File "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__
 File "web3/middleware/formatting.py", line 74, in apply_formatters
   response = make_request(method, formatted_params)
 File "web3/middleware/attrdict.py", line 33, in middleware
   response = make_request(method, params)
 File "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__
 File "web3/middleware/formatting.py", line 74, in apply_formatters
   response = make_request(method, formatted_params)
 File "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__
 File "web3/middleware/formatting.py", line 76, in apply_formatters
   response = make_request(method, params)
 File "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__
 File "web3/middleware/formatting.py", line 74, in apply_formatters
   response = make_request(method, formatted_params)
 File "web3/middleware/buffered_gas_estimate.py", line 40, in middleware
   return make_request(method, params)
 File "web3/middleware/exception_retry_request.py", line 104, in middleware
   return make_request(method, params)
 File "web3/providers/rpc.py", line 88, in make_request
   raw_response = make_post_request(
 File "web3/_utils/request.py", line 49, in make_post_request
   response.raise_for_status()
 File "requests/models.py", line 953, in raise_for_status
   raise HTTPError(http_error_msg, response=self)
HTTPError: 401 Client Error: Unauthorized for url: https://rinkeby.infura.io/v3/

您PRIVATE_KEY可能設置為空字元串。

您是否有以下.env文件：

export PRIVATE_KEY=XXXXX

然後在你的布朗尼配置中：

dotenv: .env
wallets:
 from_key: ${PRIVATE_KEY}

我遇到了同樣的錯誤，問題出在我的項目 ID 上。我不小心在末尾添加了一個額外的“s”。請驗證您的項目 ID。

引用自：https://ethereum.stackexchange.com/questions/106838