Lesson 7: Smartcontract Lottery

[sundaepromix]

My Terminal

Running 'scripts/deploy_lottery.py::main'...
File "brownie/_cli/run.py", line 51, in main
return_value, frame = run(
File "brownie/project/scripts.py", line 110, in run
return_value = f_locals[method_name](*args, **kwargs)
File "./scripts/deploy_lottery.py", line 47, in main
deploy_lottery()
File "./scripts/deploy_lottery.py", line 8, in deploy_lottery
account = get_account()
File "./scripts/helpful_scripts.py", line 14, in get_account
return accounts.add(config["wallets"]["from_key"])
File "brownie/network/account.py", line 142, in add
w3account = web3.eth.account.from_key(private_key)
File "eth_utils/decorators.py", line 18, in _wrapper
return self.method(obj, *args, **kwargs)
File "eth_account/account.py", line 250, in from_key
key = self._parsePrivateKey(private_key)
File "eth_utils/decorators.py", line 18, in _wrapper
return self.method(obj, *args, **kwargs)
File "eth_account/account.py", line 775, in _parsePrivateKey
return self._keys.PrivateKey(HexBytes(key))
File "hexbytes/main.py", line 38, in new
bytesval = to_bytes(val)
File "hexbytes/_utils.py", line 17, in to_bytes
return hexstr_to_bytes(val)
File "hexbytes/_utils.py", line 54, in hexstr_to_bytes
return binascii.unhexlify(ascii_hex)
Error: Non-hexadecimal digit found

brownie-config.yaml

dependencies:

• smartcontractkit/[email protected]
• OpenZeppelin/[email protected]
  compiler:
  solc:
  remappings:
  • '@chainlink=smartcontractkit/[email protected]'
  • '@OpenZeppelin=OpenZeppelin/[email protected]'
    dotenv: .env
    networks:
    default: development
    development:
    keyHash: "0x2ed0feb3e7fd2022120aa84fab1945545a9f2ffc9076fd6156fa96eaff4c1311"
    fee: 100000000000000000
    goerli:
    vrf_coordinator: "0x2bce784e69d2Ff36c71edcB9F88358dB0DfB55b4"
    eth_usd_price_feed: "0xD4a33860578De61DBAbDc8BFdb98FD742fA7028e"
    link_token: "0x326C977E6efc84E512bB9C30f76E30c160eD06FB"
    keyHash: "0x0476f9a745b61ea5c0ab224d3a6e4c99f0b02fce4da01143a4f70aa80ae76e8a"
    fee: 100000000000000000
    verify: True
    mainnet-fork:
    eth_usd_price_feed: "0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419"
    verify: False
    wallets:
    from_key: $(PRIVATE_KEY)

[sundaepromix]

please i need help

[cromewar]

Hello @sundaepromix
On your brownie config yaml you are using the PRIVATE_KEY with parenthesis "()" and you must use "{}" with curly brackets brackets. there error is saying that it could not found the key as the format you are trying to use is incorrect.

[sundaepromix]

i now now see my error.
Thanks so much. i really appreciate