nucypher/tests/unit/test_keystore_signer.py

78 lines
2.7 KiB
Python

import json
import pytest
from cytoolz import assoc
from eth_account._utils.legacy_transactions import Transaction
from eth_account.messages import encode_defunct
from eth_utils import to_checksum_address
from hexbytes import HexBytes
from nucypher.blockchain.eth.constants import LENGTH_ECDSA_SIGNATURE_WITH_RECOVERY
from nucypher.blockchain.eth.signers import KeystoreSigner, Signer
PASSWORD = "so_secure"
@pytest.fixture(scope="module")
def keystore_file(random_account, temp_dir_path):
_keystore_file = temp_dir_path / "keystore_file.json"
with _keystore_file.open("w") as f:
key_data = random_account.encrypt(PASSWORD)
json.dump(key_data, f)
yield _keystore_file
@pytest.fixture(scope="module")
def signer(keystore_file):
signer = Signer.from_signer_uri(uri=f"keystore://{keystore_file.absolute()}")
yield signer
def test_blank_keystore_uri():
with pytest.raises(
Signer.InvalidSignerURI, match="Blank signer URI - No keystore path provided"
):
Signer.from_signer_uri(uri="keystore://", testnet=True) # it's blank!
def test_keystore_signer_from_signer_uri(random_account, signer):
assert isinstance(signer, KeystoreSigner)
assert signer.uri_scheme() == "keystore"
assert len(signer.accounts) == 1
assert isinstance(signer.accounts[0], str)
assert signer.accounts[0] == random_account.address
assert len(signer.accounts[0]) == 42
def test_keystore_signer_lock_account(signer, random_account):
account = random_account.address
assert signer.is_device(account=account) is False
assert signer.lock_account(account=account) is True
assert signer.is_device(account=account) is False
assert signer.unlock_account(account=account, password=PASSWORD) is True
def test_keystore_signer_message(signer, random_account):
message = b"Our attitude toward life determines life's attitude towards us." # - Earl Nightingale
signature = signer.sign_message(account=random_account.address, message=message)
assert len(signature) == LENGTH_ECDSA_SIGNATURE_WITH_RECOVERY
assert (
signature
== random_account.sign_message(encode_defunct(primitive=message)).signature
)
def test_keystore_signer_transaction(signer, random_account, tx_dict):
transaction_dict = assoc(tx_dict, "from", value=random_account.address)
signed_transaction = signer.sign_transaction(transaction_dict=transaction_dict)
assert isinstance(signed_transaction, HexBytes)
assert (
signed_transaction
== random_account.sign_transaction(transaction_dict).rawTransaction
)
transaction = Transaction.from_bytes(signed_transaction)
assert to_checksum_address(transaction.to) == transaction_dict["to"]