def test_eth_account_sign_transaction_from_eth_test(acct, transaction_info):
expected_raw_txn = transaction_info['signed']
key = transaction_info['key']
transaction = dissoc(transaction_info, 'signed', 'key', 'unsigned')
# validate r, in order to validate the transaction hash
# There is some ambiguity about whether `r` will always be deterministically
# generated from the transaction hash and private key, mostly due to code
# author's ignorance. The example test fixtures and implementations seem to agree, so far.
# See ecdsa_raw_sign() in /eth_keys/backends/native/ecdsa.py
signed = acct.signTransaction(transaction, key)
assert signed.r == Web3.toInt(hexstr=expected_raw_txn[-130:-66])
# confirm that signed transaction can be recovered to the sender
expected_sender = acct.privateKeyToAccount(key).address
assert acct.recoverTransaction(signed.rawTransaction) == expected_sender
def test_to_int_hexstr(val, expected):
assert Web3.toInt(hexstr=val) == expected
def test_to_int_text(val, expected):
if isinstance(expected, type):
with pytest.raises(expected):
Web3.toInt(text=val)
else:
assert Web3.toInt(text=val) == expected
