def create_peer(self, network, unlock_wallet=True):
wallet = HDWallet(gap_limit=2)
wallet._manually_initialize()
manager = super().create_peer(network, wallet=wallet)
manager.test_mode = TestMode.TEST_ALL_WEIGHT
manager.avg_time_between_blocks = 64
# Don't use it anywhere else. It is unsafe to generate mnemonic words like this.
# It should be used only for testing purposes.
m = Mnemonic('english')
words = m.to_mnemonic(bytes(random.randint(0, 255) for _ in range(32)))
wallet.unlock(words=words, tx_storage=manager.tx_storage)
return manager
def get_address(self, index: int) -> Optional[str]:
""" Generate a fixed HD Wallet and return an address
"""
from hathor.wallet import HDWallet
words = (
'bind daring above film health blush during tiny neck slight clown salmon '
'wine brown good setup later omit jaguar tourist rescue flip pet salute'
)
hd = HDWallet(words=words)
hd._manually_initialize()
if index >= hd.gap_limit:
return None
return list(hd.keys.keys())[index]
def create_peer(self, network: Optional[str] = None, peer_id: Optional[PeerId] = None,
enable_sync_v1: bool = True, enable_sync_v2: bool = True,
soft_voided_tx_ids: Optional[Set[bytes]] = None) -> HathorManager:
assert self._started
if network is None:
network = self._network
wallet = HDWallet(gap_limit=2)
wallet._manually_initialize()
assert peer_id is not None # XXX: temporary, for checking that tests are using the peer_id
if peer_id is None:
peer_id = PeerId()
tx_storage = TransactionMemoryStorage()
manager = HathorManager(
self._clock,
peer_id=peer_id,
network=network,
wallet=wallet,
enable_sync_v1=enable_sync_v1,
enable_sync_v2=enable_sync_v2,
tx_storage=tx_storage,
rng=Random(self.rng.getrandbits(64)),
soft_voided_tx_ids=soft_voided_tx_ids,
)
manager.reactor = self._clock
manager._full_verification = True
manager.start()
self.run_to_completion()
# Don't use it anywhere else. It is unsafe to generate mnemonic words like this.
# It should be used only for testing purposes.
m = Mnemonic('english')
words = m.to_mnemonic(self.rng.randbytes(32))
self.log.debug('randomized step: generate wallet', words=words)
wallet.unlock(words=words, tx_storage=manager.tx_storage)
return manager
class BaseWalletHDTest(unittest.TestCase):
__test__ = False
def setUp(self):
super().setUp()
self.wallet = HDWallet(gap_limit=2)
self.wallet._manually_initialize()
self.manager = self.create_peer('testnet',
wallet=self.wallet,
unlock_wallet=False)
self.tx_storage = self.manager.tx_storage
self.wallet.unlock(tx_storage=self.tx_storage)
self.BLOCK_TOKENS = self.manager.get_tokens_issued_per_block(1)
self.TOKENS = self.BLOCK_TOKENS
def test_transaction_and_balance(self):
# generate a new block and check if we increase balance
new_address = self.wallet.get_unused_address()
out = WalletOutputInfo(decode_address(new_address),
self.TOKENS,
timelock=None)
block = add_new_block(self.manager)
block.verify()
utxo = self.wallet.unspent_txs[settings.HATHOR_TOKEN_UID].get(
(block.hash, 0))
self.assertIsNotNone(utxo)
self.assertEqual(self.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, self.BLOCK_TOKENS))
# create transaction spending this value, but sending to same wallet
add_blocks_unlock_reward(self.manager)
new_address2 = self.wallet.get_unused_address()
out = WalletOutputInfo(decode_address(new_address2),
self.TOKENS,
timelock=None)
tx1 = self.wallet.prepare_transaction_compute_inputs(
Transaction, [out], self.tx_storage)
tx1.update_hash()
tx1.verify_script(tx1.inputs[0], block)
tx1.storage = self.tx_storage
self.wallet.on_new_tx(tx1)
self.tx_storage.save_transaction(tx1)
self.assertEqual(len(self.wallet.spent_txs), 1)
utxo = self.wallet.unspent_txs[settings.HATHOR_TOKEN_UID].get(
(tx1.hash, 0))
self.assertIsNotNone(utxo)
self.assertEqual(self.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, self.TOKENS))
# pass inputs and outputs to prepare_transaction, but not the input keys
# spend output last transaction
input_info = WalletInputInfo(tx1.hash, 0, None)
new_address3 = self.wallet.get_unused_address()
out = WalletOutputInfo(decode_address(new_address3),
self.TOKENS,
timelock=None)
tx2 = self.wallet.prepare_transaction_incomplete_inputs(
Transaction,
inputs=[input_info],
outputs=[out],
tx_storage=self.tx_storage)
tx2.storage = self.tx_storage
tx2.update_hash()
tx2.storage = self.tx_storage
tx2.verify_script(tx2.inputs[0], tx1)
self.tx_storage.save_transaction(tx2)
self.wallet.on_new_tx(tx2)
self.assertEqual(len(self.wallet.spent_txs), 2)
self.assertEqual(self.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, self.TOKENS))
# Test getting more unused addresses than the gap limit
for i in range(3):
kwargs = {'mark_as_used': True}
if i == 2:
# Last one we dont mark as used
kwargs['mark_as_used'] = False
self.wallet.get_unused_address(**kwargs)
def test_insuficient_funds(self):
add_blocks_unlock_reward(self.manager)
# create transaction spending some value
new_address = self.wallet.get_unused_address()
out = WalletOutputInfo(decode_address(new_address),
self.TOKENS,
timelock=None)
with self.assertRaises(InsufficientFunds):
self.wallet.prepare_transaction_compute_inputs(
Transaction, [out], self.tx_storage)
def test_lock(self):
# Test locking and unlocking wallet
# Initially is unlocked
self.assertFalse(self.wallet.is_locked())
words = self.wallet.words
address = self.wallet.get_unused_address()
# We lock
self.wallet.lock()
# Now it's locked
self.assertTrue(self.wallet.is_locked())
# We unlock
self.wallet.unlock(tx_storage=self.tx_storage, words=words)
self.assertFalse(self.wallet.is_locked())
self.assertEqual(address, self.wallet.get_unused_address())
def test_exceptions(self):
with self.assertRaises(ValueError):
HDWallet(word_count=3)
def test_checkmultisig(self):
with self.assertRaises(MissingStackItems):
op_checkmultisig([], log=[], extras=None)
block = self.genesis_blocks[0]
from hathor.transaction import Transaction, TxInput, TxOutput
txin = TxInput(tx_id=block.hash, index=0, data=b'')
txout = TxOutput(value=block.outputs[0].value, script=b'')
tx = Transaction(inputs=[txin], outputs=[txout])
data_to_sign = tx.get_sighash_all()
extras = ScriptExtras(tx=tx, txin=None, spent_tx=None)
wallet = HDWallet()
wallet._manually_initialize()
wallet.words = wallet.mnemonic.generate()
wallet._manually_initialize()
keys_count = 3
keys = []
for i in range(keys_count):
privkey = list(wallet.keys.values())[i]
keys.append({
'privkey':
privkey,
'pubkey':
privkey.sec(),
'signature':
wallet.get_input_aux_data(data_to_sign, privkey)[1]
})
wrong_privkey = list(wallet.keys.values())[3]
wrong_key = {
'privkey': wrong_privkey,
'pubkey': wrong_privkey.sec(),
'signature': wallet.get_input_aux_data(data_to_sign,
wrong_privkey)[1]
}
# All signatures match
stack = [
keys[0]['signature'], keys[2]['signature'], 2, keys[0]['pubkey'],
keys[1]['pubkey'], keys[2]['pubkey'], 3
]
op_checkmultisig(stack, log=[], extras=extras)
self.assertEqual(1, stack.pop())
# New set of valid signatures
stack = [
keys[0]['signature'], keys[1]['signature'], 2, keys[0]['pubkey'],
keys[1]['pubkey'], keys[2]['pubkey'], 3
]
op_checkmultisig(stack, log=[], extras=extras)
self.assertEqual(1, stack.pop())
# Changing the signatures but they match
stack = [
keys[1]['signature'], keys[2]['signature'], 2, keys[0]['pubkey'],
keys[1]['pubkey'], keys[2]['pubkey'], 3
]
op_checkmultisig(stack, log=[], extras=extras)
self.assertEqual(1, stack.pop())
# Signatures are valid but in wrong order
stack = [
keys[1]['signature'], keys[0]['signature'], 2, keys[0]['pubkey'],
keys[1]['pubkey'], keys[2]['pubkey'], 3
]
op_checkmultisig(stack, log=[], extras=extras)
self.assertEqual(0, stack.pop())
# Adding wrong signature, so we get error
stack = [
keys[0]['signature'], wrong_key['signature'], 2, keys[0]['pubkey'],
keys[1]['pubkey'], keys[2]['pubkey'], 3
]
op_checkmultisig(stack, log=[], extras=extras)
self.assertEqual(0, stack.pop())
# Adding same signature twice, so we get error
stack = [
keys[0]['signature'], keys[0]['signature'], 2, keys[0]['pubkey'],
keys[1]['pubkey'], keys[2]['pubkey'], 3
]
op_checkmultisig(stack, log=[], extras=extras)
self.assertEqual(0, stack.pop())
# Adding less signatures than required, so we get error
stack = [
keys[0]['signature'], 2, keys[0]['pubkey'], keys[1]['pubkey'],
keys[2]['pubkey'], 3
]
with self.assertRaises(MissingStackItems):
op_checkmultisig(stack, log=[], extras=extras)
# Quantity of signatures is more than it should
stack = [
keys[0]['signature'], keys[1]['signature'], 3, keys[0]['pubkey'],
keys[1]['pubkey'], keys[2]['pubkey'], 3
]
with self.assertRaises(MissingStackItems):
op_checkmultisig(stack, log=[], extras=extras)
# Quantity of pubkeys is more than it should
stack = [
keys[0]['signature'], keys[1]['signature'], 2, keys[0]['pubkey'],
keys[1]['pubkey'], keys[2]['pubkey'], 4
]
with self.assertRaises(InvalidStackData):
op_checkmultisig(stack, log=[], extras=extras)
# Exception pubkey_count should be integer
stack = [
keys[0]['signature'], keys[1]['signature'], 2, keys[0]['pubkey'],
keys[1]['pubkey'], keys[2]['pubkey'], '3'
]
with self.assertRaises(InvalidStackData):
op_checkmultisig(stack, log=[], extras=extras)
# Exception not enough pub keys
stack = [keys[0]['pubkey'], keys[1]['pubkey'], 3]
with self.assertRaises(MissingStackItems):
op_checkmultisig(stack, log=[], extras=extras)
# Exception stack empty after pubkeys
stack = [keys[0]['pubkey'], keys[1]['pubkey'], keys[2]['pubkey'], 3]
with self.assertRaises(MissingStackItems):
op_checkmultisig(stack, log=[], extras=extras)