def test_recover_changed_signature(ethereum_accounts):
transaction = Transaction().sign(HexBytes(ethereum_accounts[0].key)).raw_transaction
signature = Transaction().sign(ethereum_accounts[1].key).signature
signed = SignedTransaction(transaction, signature)
with pytest.raises(WrongSignatureError):
signed.ecrecover()
def test_sign_transaction(ethereum_accounts):
expected = '0xed2e8602439eec57a84bb372c6de718d88d2c27f265d7c01fe59a940f9c44eb25f849639669897e376dca6b3e745f4d9667' \
'32f731b6ec20d908673ad882aeed301'
data = {
'name': 'polyswarmtransaction.transaction:Transaction',
'from': '0x3f17f1962B36e491b30A40b2405849e597Ba5FB5',
'data': {}
}
transaction = Transaction()
signed = transaction.sign(ethereum_accounts[0].key)
assert json.loads(signed.raw_transaction) == data
assert signed.signature.hex() == expected
def test_load_transaction():
transaction = {
'name': 'polyswarmtransaction.transaction:Transaction',
'from': '0x3f17f1962B36e491b30A40b2405849e597Ba5FB5',
'data': {}
}
signed = SignedTransaction(json.dumps(transaction), bytes([0] * 65))
assert isinstance(signed.transaction(), Transaction)
assert not DeepDiff(signed.transaction().data, Transaction().data, ignore_order=True)
def test_recover_when_computed(ethereum_accounts):
# Must be a string exact match
data = {
'name': 'polyswarmtransaction.transaction:Transaction',
'from': '0x3f17f1962B36e491b30A40b2405849e597Ba5FB5',
'data': {}
}
signed = Transaction().sign(ethereum_accounts[0].key)
assert signed.signature == PrivateKey(ethereum_accounts[0].key).sign_msg_hash(Web3.keccak(text=json.dumps(data)))
def test_recover_changed_body(ethereum_accounts):
signature = Transaction().sign(ethereum_accounts[0].key).signature
data = {
'name': 'polyswarmtransaction.transaction:Transaction',
'from': '0x3f17f1962B36e491b30A40b2405849e597Ba5FB5',
'data': {
'different': 'asdf'
}
}
signed = SignedTransaction(json.dumps(data), signature)
with pytest.raises(WrongSignatureError):
signed.ecrecover()
def test_sign_none():
transaction = Transaction()
with pytest.raises(InvalidKeyError):
transaction.sign(None)
def test_recover_signed_transaction_from_payload(ethereum_accounts):
transaction = Transaction()
signed = transaction.sign(ethereum_accounts[0].key)
signed = SignedTransaction(**signed.payload)
assert signed.ecrecover() == '0x3f17f1962B36e491b30A40b2405849e597Ba5FB5'
def test_recover_signed_transaction_from_signed_output(ethereum_accounts):
transaction = Transaction()
signed = transaction.sign(ethereum_accounts[0].key)
signed = SignedTransaction(signed.raw_transaction, signed.signature)
assert signed.ecrecover() == '0x3f17f1962B36e491b30A40b2405849e597Ba5FB5'