def test_spend_multisig(self):
# Adding funds to the wallet
# XXX: note further down the test, 20.00 HTR will be used, block_count must yield at least that amount
block_count = 3 # 3 * 8.00 -> 24.00 HTR is enough
blocks = add_new_blocks(self.manager, block_count, advance_clock=15)
add_blocks_unlock_reward(self.manager)
blocks_tokens = [sum(txout.value for txout in blk.outputs) for blk in blocks]
available_tokens = sum(blocks_tokens)
self.assertEqual(self.manager.wallet.balance[settings.HATHOR_TOKEN_UID], WalletBalance(0, available_tokens))
# First we send tokens to a multisig address
block_reward = blocks_tokens[0]
outputs = [WalletOutputInfo(address=self.multisig_address, value=block_reward, timelock=None)]
tx1 = self.manager.wallet.prepare_transaction_compute_inputs(Transaction, outputs, self.manager.tx_storage)
tx1.weight = 10
tx1.parents = self.manager.get_new_tx_parents()
tx1.timestamp = int(self.clock.seconds())
tx1.resolve()
self.manager.propagate_tx(tx1)
self.clock.advance(10)
wallet_balance = WalletBalance(0, available_tokens - block_reward)
self.assertEqual(self.manager.wallet.balance[settings.HATHOR_TOKEN_UID], wallet_balance)
# Then we create a new tx that spends this tokens from multisig wallet
tx = Transaction.create_from_struct(tx1.get_struct())
tx.weight = 10
tx.parents = self.manager.get_new_tx_parents()
tx.timestamp = int(self.clock.seconds())
multisig_script = create_output_script(self.multisig_address)
multisig_output = TxOutput(200, multisig_script)
wallet_output = TxOutput(300, create_output_script(self.address))
outside_output = TxOutput(block_reward - 200 - 300, create_output_script(self.outside_address))
tx.outputs = [multisig_output, wallet_output, outside_output]
tx_input = TxInput(tx1.hash, 0, b'')
tx.inputs = [tx_input]
signatures = []
for private_key_hex in self.private_keys:
signature = generate_signature(tx, bytes.fromhex(private_key_hex), password=b'1234')
signatures.append(signature)
parser = create_parser()
# Generate spend tx
args = parser.parse_args([
tx.get_struct().hex(), '{},{}'.format(signatures[0].hex(), signatures[1].hex()),
self.redeem_script.hex()
])
f = StringIO()
with capture_logs():
with redirect_stdout(f):
execute(args)
# Transforming prints str in array
output = f.getvalue().strip().splitlines()
tx_raw = output[0].split(':')[1].strip()
tx = Transaction.create_from_struct(bytes.fromhex(tx_raw))
self.assertTrue(self.manager.propagate_tx(tx, False))
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_timelock(self):
blocks = add_new_blocks(self.manager, 5, advance_clock=15)
blocks_tokens = [sum(txout.value for txout in blk.outputs) for blk in blocks]
add_blocks_unlock_reward(self.manager)
address = self.manager.wallet.get_unused_address()
outside_address = self.get_address(0)
outputs = [
WalletOutputInfo(
address=decode_address(address), value=500,
timelock=int(self.clock.seconds()) + 10),
WalletOutputInfo(
address=decode_address(address), value=700,
timelock=int(self.clock.seconds()) - 10),
WalletOutputInfo(
address=decode_address(address), value=sum(blocks_tokens[:2]) - 500 - 700,
timelock=None)
]
tx1 = self.manager.wallet.prepare_transaction_compute_inputs(Transaction, outputs)
tx1.weight = 10
tx1.parents = self.manager.get_new_tx_parents()
tx1.timestamp = int(self.clock.seconds())
tx1.resolve()
self.manager.propagate_tx(tx1)
self.assertEqual(self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(500, sum(blocks_tokens) - 500))
self.clock.advance(1)
outputs1 = [
WalletOutputInfo(address=decode_address(outside_address), value=500, timelock=None)
]
inputs1 = [WalletInputInfo(tx_id=tx1.hash, index=0, private_key=None)]
tx2 = self.manager.wallet.prepare_transaction_incomplete_inputs(Transaction, inputs1,
outputs1, self.manager.tx_storage)
tx2.weight = 10
tx2.parents = self.manager.get_new_tx_parents()
tx2.timestamp = int(self.clock.seconds())
tx2.resolve()
propagated = self.manager.propagate_tx(tx2)
self.assertEqual(self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(500, sum(blocks_tokens) - 500))
self.assertFalse(propagated)
self.clock.advance(1)
outputs2 = [
WalletOutputInfo(address=decode_address(outside_address), value=700, timelock=None)
]
inputs2 = [WalletInputInfo(tx_id=tx1.hash, index=1, private_key=None)]
tx3 = self.manager.wallet.prepare_transaction_incomplete_inputs(Transaction, inputs2,
outputs2, self.manager.tx_storage)
tx3.weight = 10
tx3.parents = self.manager.get_new_tx_parents()
tx3.timestamp = int(self.clock.seconds())
tx3.resolve()
propagated = self.manager.propagate_tx(tx3, False)
self.assertEqual(self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(500, sum(blocks_tokens) - 500 - 700))
self.assertTrue(propagated)
self.clock.advance(1)
outputs3 = [
WalletOutputInfo(
address=decode_address(outside_address), value=sum(blocks_tokens[:2]) - 500 - 700,
timelock=None)
]
inputs3 = [WalletInputInfo(tx_id=tx1.hash, index=2, private_key=None)]
tx4 = self.manager.wallet.prepare_transaction_incomplete_inputs(Transaction, inputs3,
outputs3, self.manager.tx_storage)
tx4.weight = 10
tx4.parents = self.manager.get_new_tx_parents()
tx4.timestamp = int(self.clock.seconds())
tx4.resolve()
propagated = self.manager.propagate_tx(tx4, False)
self.assertEqual(self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(500, sum(blocks_tokens[:3])))
self.assertTrue(propagated)
self.clock.advance(8)
tx2.timestamp = int(self.clock.seconds())
tx2.resolve()
propagated = self.manager.propagate_tx(tx2, False)
self.assertEqual(self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, sum(blocks_tokens[:3])))
self.assertTrue(propagated)
def test_balance_update_twin_tx(self):
# Start balance
self.assertEqual(
self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, self.initial_balance))
wallet_address = self.manager.wallet.get_unused_address()
outputs2 = [
WalletOutputInfo(address=decode_address(wallet_address),
value=500,
timelock=None)
]
tx2 = self.manager.wallet.prepare_transaction_compute_inputs(
Transaction, outputs2, self.manager.tx_storage)
tx2.weight = 10
tx2.parents = self.manager.get_new_tx_parents()
tx2.timestamp = int(self.clock.seconds())
tx2.resolve()
self.manager.propagate_tx(tx2)
self.run_to_completion()
outputs3 = [
WalletOutputInfo(address=decode_address(wallet_address),
value=self.blocks_tokens[0],
timelock=None)
]
tx3 = self.manager.wallet.prepare_transaction_compute_inputs(
Transaction, outputs3, self.manager.tx_storage)
tx3.weight = 10
tx3.parents = self.manager.get_new_tx_parents()
tx3.timestamp = int(self.clock.seconds())
tx3.resolve()
self.manager.propagate_tx(tx3)
self.run_to_completion()
self.clock.advance(1)
new_address = self.manager.wallet.get_unused_address_bytes()
inputs = [WalletInputInfo(tx_id=tx3.hash, index=0, private_key=None)]
outputs = [
WalletOutputInfo(address=new_address,
value=self.blocks_tokens[0],
timelock=None)
]
tx4 = self.manager.wallet.prepare_transaction_incomplete_inputs(
Transaction, inputs, outputs, self.manager.tx_storage)
tx4.weight = 10
tx4.parents = [tx3.hash, tx3.parents[0]]
tx4.timestamp = int(self.clock.seconds())
tx4.resolve()
self.manager.propagate_tx(tx4)
self.run_to_completion()
# Change of parents only, so it's a twin.
tx5 = Transaction.create_from_struct(tx4.get_struct())
tx5.parents = [tx4.parents[1], tx4.parents[0]]
tx5.weight = 10
tx5.resolve()
# Propagate a conflicting twin transaction
self.manager.propagate_tx(tx5)
self.run_to_completion()
meta4 = tx4.get_metadata(force_reload=True)
self.assertEqual(meta4.twins, [tx5.hash])
meta5 = tx5.get_metadata(force_reload=True)
self.assertEqual(meta5.voided_by, {tx5.hash})
# Balance is the same
self.assertEqual(
self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, self.initial_balance))
def test_balance_update4(self):
# Tx2 spends Tx1 output
# Tx3 is twin of Tx2 with same acc weight, so both will get voided
self.manager.reactor.advance(1)
# Start balance
self.assertEqual(
self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, self.initial_balance))
address = self.manager.wallet.get_unused_address_bytes()
value = self.blocks_tokens[0] - 100
inputs = [
WalletInputInfo(tx_id=self.tx1.hash, index=0, private_key=None)
]
outputs = [
WalletOutputInfo(address=address, value=int(value), timelock=None)
]
tx2 = self.manager.wallet.prepare_transaction_incomplete_inputs(
Transaction, inputs, outputs, self.manager.tx_storage)
tx2.weight = 10
tx2.parents = [self.tx1.hash, self.tx1.parents[0]]
tx2.timestamp = int(self.clock.seconds())
tx2.resolve()
self.manager.propagate_tx(tx2)
self.run_to_completion()
# Test create same tx with allow double spending
with self.assertRaises(PrivateKeyNotFound):
self.manager.wallet.prepare_transaction_incomplete_inputs(
Transaction,
inputs=inputs,
outputs=outputs,
tx_storage=self.manager.tx_storage)
self.manager.wallet.prepare_transaction_incomplete_inputs(
Transaction,
inputs=inputs,
outputs=outputs,
force=True,
tx_storage=self.manager.tx_storage)
# Change of parents only, so it's a twin.
tx3 = Transaction.create_from_struct(tx2.get_struct())
tx3.parents = [tx2.parents[1], tx2.parents[0]]
tx3.resolve()
# Propagate a conflicting twin transaction
self.manager.propagate_tx(tx3)
self.run_to_completion()
meta2 = tx2.get_metadata(force_reload=True)
self.assertEqual(meta2.twins, [tx3.hash])
self.assertEqual(meta2.voided_by, {tx2.hash})
meta3 = tx3.get_metadata()
self.assertEqual(meta3.voided_by, {tx3.hash})
# Balance is the same
self.assertEqual(
self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, self.initial_balance))
def test_wallet_create_transaction(self):
genesis_private_key_bytes = get_private_key_bytes(
self.genesis_private_key,
encryption_algorithm=serialization.BestAvailableEncryption(
PASSWORD))
genesis_address = get_address_b58_from_public_key(
self.genesis_public_key)
# create wallet with genesis block key
key_pair = KeyPair(private_key_bytes=genesis_private_key_bytes,
address=genesis_address,
used=True)
keys = {}
keys[key_pair.address] = key_pair
w = Wallet(keys=keys, directory=self.directory)
w.unlock(PASSWORD)
genesis_blocks = [
tx for tx in self.storage.get_all_genesis() if tx.is_block
]
genesis_block = genesis_blocks[0]
genesis_value = sum([output.value for output in genesis_block.outputs])
# wallet will receive genesis block and store in unspent_tx
w.on_new_tx(genesis_block)
for index in range(len(genesis_block.outputs)):
utxo = w.unspent_txs[settings.HATHOR_TOKEN_UID].get(
(genesis_block.hash, index))
self.assertIsNotNone(utxo)
self.assertEqual(w.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, genesis_value))
# create transaction spending this value, but sending to same wallet
add_blocks_unlock_reward(self.manager)
new_address = w.get_unused_address()
out = WalletOutputInfo(decode_address(new_address), 100, timelock=None)
tx1 = w.prepare_transaction_compute_inputs(Transaction, [out],
self.storage)
tx1.storage = self.storage
tx1.update_hash()
self.storage.save_transaction(tx1)
w.on_new_tx(tx1)
self.assertEqual(len(w.spent_txs), 1)
self.assertEqual(w.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, genesis_value))
# pass inputs and outputs to prepare_transaction, but not the input keys
# spend output last transaction
input_info = WalletInputInfo(tx1.hash, 1, None)
new_address = w.get_unused_address()
key2 = w.keys[new_address]
out = WalletOutputInfo(decode_address(key2.address),
100,
timelock=None)
tx2 = w.prepare_transaction_incomplete_inputs(Transaction,
inputs=[input_info],
outputs=[out],
tx_storage=self.storage)
tx2.storage = self.storage
tx2.update_hash()
self.storage.save_transaction(tx2)
w.on_new_tx(tx2)
self.assertEqual(len(w.spent_txs), 2)
self.assertEqual(w.balance[settings.HATHOR_TOKEN_UID],
WalletBalance(0, genesis_value))
# test keypair exception
with self.assertRaises(WalletLocked):
key_pair.get_private_key(None)