def test_token_transfer(self):
wallet = self.manager.wallet
tx = create_tokens(self.manager, self.address_b58)
token_uid = tx.tokens[0]
utxo = tx.outputs[0]
parents = self.manager.get_new_tx_parents()
_input1 = TxInput(tx.hash, 0, b'')
script = P2PKH.create_output_script(self.address)
# regular transfer
token_output = TxOutput(utxo.value, script, 1)
tx2 = Transaction(weight=1, inputs=[_input1], outputs=[token_output], parents=parents, tokens=[token_uid],
storage=self.manager.tx_storage, timestamp=int(self.clock.seconds()))
data_to_sign = tx2.get_sighash_all(clear_input_data=True)
public_bytes, signature = wallet.get_input_aux_data(data_to_sign, wallet.get_private_key(self.address_b58))
tx2.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx2.resolve()
tx2.verify()
# missing tokens
token_output = TxOutput(utxo.value - 1, script, 1)
tx3 = Transaction(weight=1, inputs=[_input1], outputs=[token_output], parents=parents, tokens=[token_uid],
storage=self.manager.tx_storage, timestamp=int(self.clock.seconds()))
data_to_sign = tx3.get_sighash_all(clear_input_data=True)
public_bytes, signature = wallet.get_input_aux_data(data_to_sign, wallet.get_private_key(self.address_b58))
tx3.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx3.resolve()
with self.assertRaises(InputOutputMismatch):
tx3.verify()
def test_token_transfer_authority(self):
wallet = self.manager.wallet
tx = create_tokens(self.manager, self.address_b58)
token_uid = tx.tokens[0]
parents = self.manager.get_new_tx_parents()
script = P2PKH.create_output_script(self.address)
# input with mint and output with melt
_input1 = TxInput(tx.hash, 1, b'')
token_output = TxOutput(TxOutput.TOKEN_MELT_MASK, script, 0b10000001)
tx2 = Transaction(weight=1, inputs=[_input1], outputs=[token_output], parents=parents, tokens=[token_uid],
storage=self.manager.tx_storage, timestamp=int(self.clock.seconds()))
data_to_sign = tx2.get_sighash_all(clear_input_data=True)
public_bytes, signature = wallet.get_input_aux_data(data_to_sign, wallet.get_private_key(self.address_b58))
tx2.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx2.resolve()
with self.assertRaises(InvalidToken):
tx2.verify()
# input with melt and output with mint
_input1 = TxInput(tx.hash, 2, b'')
token_output = TxOutput(TxOutput.TOKEN_MINT_MASK, script, 0b10000001)
tx3 = Transaction(weight=1, inputs=[_input1], outputs=[token_output], parents=parents, tokens=[token_uid],
storage=self.manager.tx_storage, timestamp=int(self.clock.seconds()))
data_to_sign = tx3.get_sighash_all(clear_input_data=True)
public_bytes, signature = wallet.get_input_aux_data(data_to_sign, wallet.get_private_key(self.address_b58))
tx3.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx3.resolve()
with self.assertRaises(InvalidToken):
tx3.verify()
def test_sighash_cache(self):
from unittest import mock
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(5, script)
tx = Transaction(outputs=[output], storage=self.tx_storage)
with mock.patch('hathor.transaction.transaction.bytearray') as mocked:
for _ in range(10):
tx.get_sighash_all()
mocked.assert_called_once()
def test_tx_token_outputs(self):
genesis_block = self.genesis_blocks[0]
_input = TxInput(genesis_block.hash, 0, b'')
value = genesis_block.outputs[0].value
script = P2PKH.create_output_script(self.address)
output = TxOutput(value, script, 1)
parents = [tx.hash for tx in self.genesis_txs]
tx = Transaction(weight=1,
inputs=[_input],
outputs=[output],
parents=parents,
storage=self.manager.tx_storage)
# no token uids in list
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.manager.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
tx.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx.resolve()
with self.assertRaises(InvalidToken):
tx.verify()
# with 1 token uid in list
tx.tokens = [
bytes.fromhex(
'0023be91834c973d6a6ddd1a0ae411807b7c8ef2a015afb5177ee64b666ce602'
)
]
output.token_data = 2
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.manager.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
tx.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx.resolve()
with self.assertRaises(InvalidToken):
tx.verify()
# try hathor authority UTXO
output = TxOutput(value, script, 0b10000000)
tx.outputs = [output]
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.manager.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
tx.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx.resolve()
with self.assertRaises(InvalidToken):
tx.verify()
def test_checksig(self):
with self.assertRaises(MissingStackItems):
op_checksig([1], 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])
import hashlib
data_to_sign = tx.get_sighash_all()
hashed_data = hashlib.sha256(data_to_sign).digest()
signature = self.genesis_private_key.sign(hashed_data,
ec.ECDSA(hashes.SHA256()))
pubkey_bytes = get_public_key_bytes_compressed(self.genesis_public_key)
extras = ScriptExtras(tx=tx, txin=None, spent_tx=None)
# wrong signature puts False (0) on stack
stack = [b'aaaaaaaaa', pubkey_bytes]
op_checksig(stack, log=[], extras=extras)
self.assertEqual(0, stack.pop())
stack = [signature, pubkey_bytes]
op_checksig(stack, log=[], extras=extras)
self.assertEqual(1, stack.pop())
def test_checkdatasig_raise_on_uncompressed_pubkey(self):
block = self.genesis_blocks[0]
data = b'some_random_data'
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])
import hashlib
data_to_sign = tx.get_sighash_all()
hashed_data = hashlib.sha256(data_to_sign).digest()
signature = self.genesis_private_key.sign(hashed_data,
ec.ECDSA(hashes.SHA256()))
from cryptography.hazmat.primitives.serialization import Encoding, PublicFormat
pubkey_uncompressed = self.genesis_public_key.public_bytes(
Encoding.X962, PublicFormat.UncompressedPoint)
# ScriptError if pubkey is not a valid compressed public key
# with wrong signature
stack = [data, b'123', pubkey_uncompressed]
with self.assertRaises(ScriptError):
op_checkdatasig(stack, log=[], extras=None)
# or with rigth one
# this will make sure the signature is not made when parameters are wrong
stack = [data, signature, pubkey_uncompressed]
with self.assertRaises(ScriptError):
op_checkdatasig(stack, log=[], extras=None)
def test_unknown_authority(self):
wallet = self.manager.wallet
tx = create_tokens(self.manager, self.address_b58, mint_amount=500)
token_uid = tx.tokens[0]
parents = self.manager.get_new_tx_parents()
script = P2PKH.create_output_script(self.address)
# try an unknown authority
input1 = TxInput(tx.hash, 1, b'')
input2 = TxInput(tx.hash, 2, b'')
output = TxOutput((TxOutput.ALL_AUTHORITIES << 1), script, 0b10000001)
tx2 = Transaction(weight=1,
inputs=[input1, input2],
outputs=[output],
parents=parents,
tokens=[token_uid],
storage=self.manager.tx_storage,
timestamp=int(self.clock.seconds()))
data_to_sign = tx2.get_sighash_all()
public_bytes, signature = wallet.get_input_aux_data(
data_to_sign, wallet.get_private_key(self.address_b58))
data = P2PKH.create_input_data(public_bytes, signature)
tx2.inputs[0].data = data
tx2.inputs[1].data = data
tx2.resolve()
with self.assertRaises(InvalidToken):
tx2.verify()
def test_tx_inputs_conflict(self):
# the new tx inputs will try to spend the same output
parents = [tx.hash for tx in self.genesis_txs]
genesis_block = self.genesis_blocks[0]
value = genesis_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
# We can't only duplicate the value because genesis is using the max value possible
outputs = [TxOutput(value, script), TxOutput(value, script)]
_input = TxInput(genesis_block.hash, 0, b'')
tx = Transaction(weight=1,
inputs=[_input, _input],
outputs=outputs,
parents=parents,
storage=self.tx_storage,
timestamp=self.last_block.timestamp + 1)
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
_input.data = P2PKH.create_input_data(public_bytes, signature)
tx.resolve()
with self.assertRaises(ConflictingInputs):
tx.verify()
def test_regular_tx(self):
# this should succeed
parents = [tx.hash for tx in self.genesis_txs]
genesis_block = self.genesis_blocks[0]
value = genesis_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(value, script)
_input = TxInput(genesis_block.hash, 0, b'')
tx = Transaction(weight=1,
inputs=[_input],
outputs=[output],
parents=parents,
storage=self.tx_storage,
timestamp=self.last_block.timestamp + 1)
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
_input.data = P2PKH.create_input_data(public_bytes, signature)
tx.resolve()
tx.verify()
def test_weight_inf(self):
# this should succeed
parents = [tx.hash for tx in self.genesis_txs]
genesis_block = self.genesis_blocks[0]
value = genesis_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(value, script)
_input = TxInput(genesis_block.hash, 0, b'')
tx = Transaction(inputs=[_input],
outputs=[output],
parents=parents,
storage=self.tx_storage)
tx.weight = float('inf')
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
_input.data = P2PKH.create_input_data(public_bytes, signature)
tx.update_hash()
self.assertTrue(isinf(tx.weight))
with self.assertRaises(WeightError):
tx.verify()
def test_tx_duplicated_parents(self):
# the new tx will confirm the same tx twice
parents = [self.genesis_txs[0].hash, self.genesis_txs[0].hash]
genesis_block = self.genesis_blocks[0]
value = genesis_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(value, script)
_input = TxInput(genesis_block.hash, 0, b'')
tx = Transaction(weight=1,
inputs=[_input],
outputs=[output],
parents=parents,
storage=self.tx_storage,
timestamp=self.last_block.timestamp + 1)
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
_input.data = P2PKH.create_input_data(public_bytes, signature)
tx.resolve()
with self.assertRaises(DuplicatedParents):
tx.verify()
def test_script(self):
genesis_block = self.genesis_blocks[0]
# random keys to be used
random_priv = 'MIGEAgEAMBAGByqGSM49AgEGBSuBBAAKBG0wawIBAQQgMnAHVIyj7Hym2yI' \
'w+JcKEfdCHByIp+FHfPoIkcnjqGyhRANCAATX76SGshGeoacUcZDhXEzERt' \
'AHbd30CVpUg8RRnAIhaFcuMY3G+YFr/mReAPRuiLKCnolWz3kCltTtNj36rJyd'
private_key_random = get_private_key_from_bytes(
base64.b64decode(random_priv))
# create input data with incorrect private key
_input = TxInput(genesis_block.hash, 0, b'')
value = genesis_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(value, script)
tx = Transaction(inputs=[_input],
outputs=[output],
storage=self.tx_storage,
timestamp=self.last_block.timestamp + 1)
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, private_key_random)
data_wrong = P2PKH.create_input_data(public_bytes, signature)
_input.data = data_wrong
with self.assertRaises(InvalidInputData):
tx.verify_inputs()
def test_tx_inputs_out_of_range(self):
# we'll try to spend output 3 from genesis transaction, which does not exist
parents = [tx.hash for tx in self.genesis_txs]
genesis_block = self.genesis_blocks[0]
value = genesis_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(value, script)
_input = TxInput(genesis_block.hash,
len(genesis_block.outputs) + 1, b'')
tx = Transaction(weight=1,
inputs=[_input],
outputs=[output],
parents=parents,
storage=self.tx_storage)
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
data = P2PKH.create_input_data(public_bytes, signature)
tx.inputs[0].data = data
# test with an inexistent index
tx.resolve()
with self.assertRaises(InexistentInput):
tx.verify()
# now with index equals of len of outputs
_input = [
TxInput(genesis_block.hash, len(genesis_block.outputs), data)
]
tx.inputs = _input
# test with an inexistent index
tx.resolve()
with self.assertRaises(InexistentInput):
tx.verify()
# now with inexistent tx hash
random_bytes = bytes.fromhex(
'0000184e64683b966b4268f387c269915cc61f6af5329823a93e3696cb0fe902')
_input = [TxInput(random_bytes, 3, data)]
tx.inputs = _input
tx.resolve()
with self.assertRaises(InexistentInput):
tx.verify()
def test_tokens_balance(self):
# create tokens and check balances
# initial tokens
address_b58 = self.manager.wallet.get_unused_address()
address = decode_address(address_b58)
tx = create_tokens(self.manager, address_b58)
token_id = tx.tokens[0]
amount = tx.outputs[0].value
# initial token balance
self.assertEqual(self.manager.wallet.balance[token_id],
WalletBalance(0, amount))
# initial hathor balance
# we don't consider HTR balance 0 because we transfer genesis tokens to this
# wallet during token creation
hathor_balance = self.manager.wallet.balance[settings.HATHOR_TOKEN_UID]
# transfer token to another wallet and check balance again
parents = self.manager.get_new_tx_parents()
_input1 = TxInput(tx.hash, 0, b'')
script = P2PKH.create_output_script(address)
token_output1 = TxOutput(30, b'', 0b00000001)
token_output2 = TxOutput(amount - 30, script, 0b00000001)
tx2 = Transaction(weight=1,
inputs=[_input1],
outputs=[token_output1, token_output2],
parents=parents,
tokens=[token_id],
storage=self.manager.tx_storage,
timestamp=int(self.manager.reactor.seconds()))
data_to_sign = tx2.get_sighash_all(clear_input_data=True)
public_bytes, signature = self.manager.wallet.get_input_aux_data(
data_to_sign, self.manager.wallet.get_private_key(address_b58))
tx2.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx2.resolve()
tx2.verify()
self.manager.propagate_tx(tx2)
self.run_to_completion()
# verify balance
self.assertEqual(self.manager.wallet.balance[token_id],
WalletBalance(0, amount - 30))
# hathor balance remains the same
self.assertEqual(
self.manager.wallet.balance[settings.HATHOR_TOKEN_UID],
hathor_balance)
def test_input_output_match(self):
genesis_block = self.genesis_blocks[0]
_input = TxInput(genesis_block.hash, 0, b'')
# spend less than what was generated
value = genesis_block.outputs[0].value - 1
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(value, script)
tx = Transaction(inputs=[_input], outputs=[output], storage=self.tx_storage)
data_to_sign = tx.get_sighash_all(clear_input_data=True)
public_bytes, signature = self.wallet.get_input_aux_data(data_to_sign, self.genesis_private_key)
_input.data = P2PKH.create_input_data(public_bytes, signature)
with self.assertRaises(InputOutputMismatch):
tx.verify_sum()
def _gen_tx_spending_genesis_block(self):
parents = [tx.hash for tx in self.genesis_txs]
genesis_block = self.genesis_blocks[0]
_input = TxInput(genesis_block.hash, 0, b'')
value = genesis_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(value, script)
tx = Transaction(nonce=100, inputs=[_input], outputs=[output], parents=parents, storage=self.tx_storage)
data_to_sign = tx.get_sighash_all(clear_input_data=True)
public_bytes, signature = self.wallet.get_input_aux_data(data_to_sign, self.genesis_private_key)
tx.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx.update_hash()
return tx
def _spend_reward_tx(self, manager, reward_block):
value = reward_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
input_ = TxInput(reward_block.hash, 0, b'')
output = TxOutput(value, script)
tx = Transaction(
weight=1,
timestamp=int(manager.reactor.seconds()) + 1,
inputs=[input_],
outputs=[output],
parents=manager.get_new_tx_parents(),
storage=manager.tx_storage,
)
data_to_sign = tx.get_sighash_all(clear_input_data=True)
public_bytes, signature = self.wallet.get_input_aux_data(data_to_sign, self.genesis_private_key)
input_.data = P2PKH.create_input_data(public_bytes, signature)
tx.resolve()
return tx
def test_tx_number_parents(self):
genesis_block = self.genesis_blocks[0]
_input = TxInput(genesis_block.hash, 0, b'')
value = genesis_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(value, script)
parents = [self.genesis_txs[0].hash]
tx = Transaction(weight=1,
inputs=[_input],
outputs=[output],
parents=parents,
storage=self.tx_storage,
timestamp=self.last_block.timestamp + 1)
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
tx.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
# in first test, only with 1 parent
tx.resolve()
with self.assertRaises(IncorrectParents):
tx.verify()
# test with 3 parents
parents = [tx.hash for tx in self.genesis]
tx.parents = parents
tx.resolve()
with self.assertRaises(IncorrectParents):
tx.verify()
# 2 parents, 1 tx and 1 block
parents = [self.genesis_txs[0].hash, self.genesis_blocks[0].hash]
tx.parents = parents
tx.resolve()
with self.assertRaises(IncorrectParents):
tx.verify()
def test_checksig_cache(self):
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])
import hashlib
data_to_sign = tx.get_sighash_all()
hashed_data = hashlib.sha256(data_to_sign).digest()
signature = self.genesis_private_key.sign(hashed_data,
ec.ECDSA(hashes.SHA256()))
pubkey_bytes = get_public_key_bytes_compressed(self.genesis_public_key)
extras = ScriptExtras(tx=tx, txin=None, spent_tx=None)
stack = [signature, pubkey_bytes]
self.assertIsNone(tx._sighash_data_cache)
op_checksig(stack, log=[], extras=extras)
self.assertIsNotNone(tx._sighash_data_cache)
self.assertEqual(1, stack.pop())
def test_token_history(self):
self.manager.wallet.unlock(b'MYPASS')
resource = StubSite(TokenHistoryResource(self.manager))
add_new_blocks(self.manager, 1, advance_clock=1)
add_blocks_unlock_reward(self.manager)
tx = create_tokens(self.manager,
mint_amount=100,
token_name='Teste',
token_symbol='TST')
token_uid = tx.tokens[0]
response = yield resource.get('thin_wallet/token_history', {
b'id': token_uid.hex().encode(),
b'count': 3
})
data = response.json_value()
# Success returning the token creation tx
self.assertTrue(data['success'])
self.assertFalse(data['has_more'])
self.assertEqual(1, len(data['transactions']))
self.assertEqual(tx.hash.hex(), data['transactions'][0]['tx_id'])
response = yield resource.get('thin_wallet/token_history', {
b'id': b'123',
b'count': 3
})
data = response.json_value()
# Fail because token is unknown
self.assertFalse(data['success'])
# Create a tx with this token, so we can have more tx in the history
output = tx.outputs[0]
script_type_out = parse_address_script(output.script)
address = script_type_out.address
private_key = self.manager.wallet.get_private_key(address)
output_address = decode_address(self.get_address(0))
o = TxOutput(100, create_output_script(output_address, None), 1)
i = TxInput(tx.hash, 0, b'')
tx2 = Transaction(inputs=[i], outputs=[o], tokens=[token_uid])
data_to_sign = tx2.get_sighash_all()
public_key_bytes, signature_bytes = self.manager.wallet.get_input_aux_data(
data_to_sign, private_key)
i.data = P2PKH.create_input_data(public_key_bytes, signature_bytes)
tx2.inputs = [i]
tx2.timestamp = int(self.clock.seconds())
tx2.weight = self.manager.minimum_tx_weight(tx2)
tx2.parents = self.manager.get_new_tx_parents()
tx2.resolve()
self.manager.propagate_tx(tx2)
# Now we have 2 txs with this token
response = yield resource.get('thin_wallet/token_history', {
b'id': token_uid.hex().encode(),
b'count': 3
})
data = response.json_value()
# Success returning the token creation tx and newly created tx
self.assertTrue(data['success'])
self.assertFalse(data['has_more'])
self.assertEqual(2, len(data['transactions']))
self.assertEqual(tx2.hash.hex(), data['transactions'][0]['tx_id'])
self.assertEqual(tx.hash.hex(), data['transactions'][1]['tx_id'])
response = yield resource.get('thin_wallet/token_history', {
b'id': token_uid.hex().encode(),
b'count': 1
})
data = response.json_value()
# Testing has_more
self.assertTrue(data['success'])
self.assertTrue(data['has_more'])
self.assertEqual(1, len(data['transactions']))
response = yield resource.get(
'thin_wallet/token_history', {
b'id': token_uid.hex().encode(),
b'count': 10,
b'page': b'next',
b'hash': tx2.hash.hex().encode(),
b'timestamp': str(tx2.timestamp).encode(),
})
data = response.json_value()
# Testing next
self.assertTrue(data['success'])
self.assertFalse(data['has_more'])
self.assertEqual(1, len(data['transactions']))
self.assertEqual(tx.hash.hex(), data['transactions'][0]['tx_id'])
response = yield resource.get(
'thin_wallet/token_history', {
b'id': token_uid.hex().encode(),
b'count': 10,
b'page': b'previous',
b'hash': tx.hash.hex().encode(),
b'timestamp': str(tx.timestamp).encode(),
})
data = response.json_value()
# Testing previous
self.assertTrue(data['success'])
self.assertFalse(data['has_more'])
self.assertEqual(1, len(data['transactions']))
self.assertEqual(tx2.hash.hex(), data['transactions'][0]['tx_id'])
response = yield resource.get(
'thin_wallet/token_history', {
b'id': token_uid.hex().encode(),
b'count': 10,
b'page': b'previous',
b'hash': tx2.hash.hex().encode(),
b'timestamp': str(tx2.timestamp).encode(),
})
data = response.json_value()
# Testing previous from first
self.assertTrue(data['success'])
self.assertFalse(data['has_more'])
self.assertEqual(0, len(data['transactions']))
def test_wallet_index(self):
# First transaction: send tokens to output with address=address_b58
parents = [tx.hash for tx in self.genesis_txs]
genesis_block = self.genesis_blocks[0]
value = genesis_block.outputs[0].value
address = get_address_from_public_key(self.genesis_public_key)
script = P2PKH.create_output_script(address)
output = TxOutput(value, script)
address_b58 = parse_address_script(script).address
# Get how many transactions wallet index already has for this address
wallet_index_count = len(
self.tx_storage.wallet_index.index[address_b58])
_input = TxInput(genesis_block.hash, 0, b'')
tx = Transaction(weight=1,
inputs=[_input],
outputs=[output],
parents=parents,
storage=self.tx_storage,
timestamp=self.last_block.timestamp + 1)
data_to_sign = tx.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
_input.data = P2PKH.create_input_data(public_bytes, signature)
tx.resolve()
self.manager.propagate_tx(tx)
# This transaction has an output to address_b58, so we need one more element on the index
self.assertEqual(len(self.tx_storage.wallet_index.index[address_b58]),
wallet_index_count + 1)
# Second transaction: spend tokens from output with address=address_b58 and
# send tokens to 2 outputs, one with address=address_b58 and another one
# with address=new_address_b58, which is an address of a random wallet
new_address_b58 = self.get_address(0)
new_address = decode_address(new_address_b58)
output1 = TxOutput(value - 100, script)
script2 = P2PKH.create_output_script(new_address)
output2 = TxOutput(100, script2)
input1 = TxInput(tx.hash, 0, b'')
tx2 = Transaction(weight=1,
inputs=[input1],
outputs=[output1, output2],
parents=parents,
storage=self.tx_storage,
timestamp=self.last_block.timestamp + 2)
data_to_sign = tx2.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
input1.data = P2PKH.create_input_data(public_bytes, signature)
tx2.resolve()
self.manager.propagate_tx(tx2)
# tx2 has two outputs, for address_b58 and new_address_b58
# So we must have one more element on address_b58 index and only one on new_address_b58
self.assertEqual(len(self.tx_storage.wallet_index.index[address_b58]),
wallet_index_count + 2)
self.assertEqual(
len(self.tx_storage.wallet_index.index[new_address_b58]), 1)
# Third transaction: spend tokens from output with address=address_b58 and send
# tokens to a new address = output3_address_b58, which is from a random wallet
output3_address_b58 = self.get_address(1)
output3_address = decode_address(output3_address_b58)
script3 = P2PKH.create_output_script(output3_address)
output3 = TxOutput(value - 100, script3)
input2 = TxInput(tx2.hash, 0, b'')
tx3 = Transaction(weight=1,
inputs=[input2],
outputs=[output3],
parents=parents,
storage=self.tx_storage,
timestamp=self.last_block.timestamp + 3)
data_to_sign = tx3.get_sighash_all()
public_bytes, signature = self.wallet.get_input_aux_data(
data_to_sign, self.genesis_private_key)
input2.data = P2PKH.create_input_data(public_bytes, signature)
tx3.resolve()
self.manager.propagate_tx(tx3)
# tx3 has one output, for another new address (output3_address_b58) and it's spending an output of address_b58
# So address_b58 index must have one more element and output3_address_b58 should have one element also
# new_address_b58 was not spent neither received tokens, so didn't change
self.assertEqual(len(self.tx_storage.wallet_index.index[address_b58]),
wallet_index_count + 3)
self.assertEqual(
len(self.tx_storage.wallet_index.index[output3_address_b58]), 1)
self.assertEqual(
len(self.tx_storage.wallet_index.index[new_address_b58]), 1)
def test_token_mint(self):
wallet = self.manager.wallet
tx = create_tokens(self.manager, self.address_b58, mint_amount=500)
token_uid = tx.tokens[0]
parents = self.manager.get_new_tx_parents()
script = P2PKH.create_output_script(self.address)
# mint tokens and transfer mint authority
mint_amount = 10000000
deposit_amount = get_deposit_amount(mint_amount)
_input1 = TxInput(tx.hash, 1, b'')
_input2 = TxInput(tx.hash, 3, b'')
token_output1 = TxOutput(mint_amount, script, 1)
token_output2 = TxOutput(TxOutput.TOKEN_MINT_MASK, script, 0b10000001)
deposit_output = TxOutput(tx.outputs[3].value - deposit_amount, script,
0)
tx2 = Transaction(
weight=1,
inputs=[_input1, _input2],
outputs=[token_output1, token_output2, deposit_output],
parents=parents,
tokens=[token_uid],
storage=self.manager.tx_storage,
timestamp=int(self.clock.seconds()))
data_to_sign = tx2.get_sighash_all()
public_bytes, signature = wallet.get_input_aux_data(
data_to_sign, wallet.get_private_key(self.address_b58))
data = P2PKH.create_input_data(public_bytes, signature)
tx2.inputs[0].data = data
tx2.inputs[1].data = data
tx2.resolve()
tx2.verify()
self.manager.propagate_tx(tx2)
self.run_to_completion()
# check tokens index
tokens_index = self.manager.tx_storage.tokens_index.tokens[token_uid]
self.assertIn((tx2.hash, 1), tokens_index.mint)
self.assertIn((tx.hash, 2), tokens_index.melt)
# there should only be one element on the indexes for the token
self.assertEqual(1, len(tokens_index.mint))
self.assertEqual(1, len(tokens_index.melt))
# check total amount of tokens
self.assertEqual(500 + mint_amount, tokens_index.total)
# try to mint 1 token unit without deposit
mint_amount = 1
_input1 = TxInput(tx.hash, 1, b'')
token_output1 = TxOutput(mint_amount, script, 1)
token_output2 = TxOutput(TxOutput.TOKEN_MINT_MASK, script, 0b10000001)
tx3 = Transaction(weight=1,
inputs=[_input1],
outputs=[token_output1, token_output2],
parents=parents,
tokens=[token_uid],
storage=self.manager.tx_storage,
timestamp=int(self.clock.seconds()))
data_to_sign = tx3.get_sighash_all()
public_bytes, signature = wallet.get_input_aux_data(
data_to_sign, wallet.get_private_key(self.address_b58))
data = P2PKH.create_input_data(public_bytes, signature)
tx3.inputs[0].data = data
tx3.resolve()
with self.assertRaises(InputOutputMismatch):
tx3.verify()
# try to mint and deposit less tokens than necessary
mint_amount = 10000000
deposit_amount = get_deposit_amount(mint_amount) - 1
_input1 = TxInput(tx.hash, 1, b'')
_input2 = TxInput(tx.hash, 3, b'')
token_output1 = TxOutput(mint_amount, script, 1)
token_output2 = TxOutput(TxOutput.TOKEN_MINT_MASK, script, 0b10000001)
deposit_output = TxOutput(tx.outputs[3].value - deposit_amount, script,
0)
tx4 = Transaction(
weight=1,
inputs=[_input1, _input2],
outputs=[token_output1, token_output2, deposit_output],
parents=parents,
tokens=[token_uid],
storage=self.manager.tx_storage,
timestamp=int(self.clock.seconds()))
data_to_sign = tx4.get_sighash_all()
public_bytes, signature = wallet.get_input_aux_data(
data_to_sign, wallet.get_private_key(self.address_b58))
data = P2PKH.create_input_data(public_bytes, signature)
tx4.inputs[0].data = data
tx4.inputs[1].data = data
tx4.resolve()
with self.assertRaises(InputOutputMismatch):
tx4.verify()
# try to mint using melt authority UTXO
_input1 = TxInput(tx.hash, 2, b'')
token_output = TxOutput(10000000, script, 1)
tx5 = Transaction(weight=1,
inputs=[_input1],
outputs=[token_output],
parents=parents,
tokens=[token_uid],
storage=self.manager.tx_storage,
timestamp=int(self.clock.seconds()))
data_to_sign = tx5.get_sighash_all()
public_bytes, signature = wallet.get_input_aux_data(
data_to_sign, wallet.get_private_key(self.address_b58))
tx5.inputs[0].data = P2PKH.create_input_data(public_bytes, signature)
tx5.resolve()
with self.assertRaises(InputOutputMismatch):
tx5.verify()
def test_token_melt(self):
wallet = self.manager.wallet
tx = create_tokens(self.manager, self.address_b58)
token_uid = tx.tokens[0]
parents = self.manager.get_new_tx_parents()
script = P2PKH.create_output_script(self.address)
# melt tokens and transfer melt authority
melt_amount = 100
new_amount = tx.outputs[0].value - melt_amount
withdraw_amount = get_withdraw_amount(melt_amount)
_input1 = TxInput(tx.hash, 0, b'')
_input2 = TxInput(tx.hash, 2, b'')
token_output1 = TxOutput(new_amount, script, 1)
token_output2 = TxOutput(TxOutput.TOKEN_MELT_MASK, script, 0b10000001)
withdraw_output = TxOutput(withdraw_amount, script, 0)
tx2 = Transaction(
weight=1,
inputs=[_input1, _input2],
outputs=[token_output1, token_output2, withdraw_output],
parents=parents,
tokens=[token_uid],
storage=self.manager.tx_storage,
timestamp=int(self.clock.seconds()))
data_to_sign = tx2.get_sighash_all()
public_bytes, signature = wallet.get_input_aux_data(
data_to_sign, wallet.get_private_key(self.address_b58))
data = P2PKH.create_input_data(public_bytes, signature)
tx2.inputs[0].data = data
tx2.inputs[1].data = data
tx2.resolve()
tx2.verify()
self.manager.propagate_tx(tx2)
self.run_to_completion()
# check tokens index
tokens_index = self.manager.tx_storage.indexes.tokens.get_token_info(
token_uid)
mint = list(tokens_index.iter_mint_utxos())
melt = list(tokens_index.iter_melt_utxos())
self.assertIn(TokenUtxoInfo(tx.hash, 1), mint)
self.assertIn(TokenUtxoInfo(tx2.hash, 1), melt)
# there should only be one element on the indexes for the token
self.assertEqual(1, len(mint))
self.assertEqual(1, len(melt))
# check total amount of tokens
self.assertEqual(new_amount, tokens_index.get_total())
# melt tokens and withdraw more than what's allowed
melt_amount = 100
withdraw_amount = get_withdraw_amount(melt_amount)
_input1 = TxInput(tx.hash, 0, b'')
_input2 = TxInput(tx.hash, 2, b'')
token_output1 = TxOutput(tx.outputs[0].value - melt_amount, script, 1)
token_output2 = TxOutput(TxOutput.TOKEN_MELT_MASK, script, 0b10000001)
withdraw_output = TxOutput(withdraw_amount + 1, script, 0)
tx3 = Transaction(
weight=1,
inputs=[_input1, _input2],
outputs=[token_output1, token_output2, withdraw_output],
parents=parents,
tokens=[token_uid],
storage=self.manager.tx_storage,
timestamp=int(self.clock.seconds()))
data_to_sign = tx3.get_sighash_all()
public_bytes, signature = wallet.get_input_aux_data(
data_to_sign, wallet.get_private_key(self.address_b58))
data = P2PKH.create_input_data(public_bytes, signature)
tx3.inputs[0].data = data
tx3.inputs[1].data = data
tx3.resolve()
with self.assertRaises(InputOutputMismatch):
tx3.verify()
# try to melt using mint authority UTXO
_input1 = TxInput(tx.hash, 0, b'')
_input2 = TxInput(tx.hash, 1, b'')
token_output = TxOutput(tx.outputs[0].value - 1, script, 1)
tx4 = Transaction(weight=1,
inputs=[_input1, _input2],
outputs=[token_output],
parents=parents,
tokens=[token_uid],
storage=self.manager.tx_storage,
timestamp=int(self.clock.seconds()))
data_to_sign = tx4.get_sighash_all()
public_bytes, signature = wallet.get_input_aux_data(
data_to_sign, wallet.get_private_key(self.address_b58))
data = P2PKH.create_input_data(public_bytes, signature)
tx4.inputs[0].data = data
tx4.inputs[1].data = data
tx4.resolve()
with self.assertRaises(InputOutputMismatch):
tx4.verify()
def test_token_index_with_conflict(self, mint_amount=0):
# create a new token and have a mint operation done. The tx that mints the
# tokens has the following outputs:
# 0. minted tokens
# 1. mint authority;
# 2. melt authority
# 3. HTR deposit change
tx = create_tokens(self.manager, self.address_b58, mint_amount=100)
token_uid = tx.tokens[0]
tokens_index = self.manager.tx_storage.indexes.tokens.get_token_info(
tx.tokens[0])
mint = list(tokens_index.iter_mint_utxos())
melt = list(tokens_index.iter_melt_utxos())
self.assertIn(TokenUtxoInfo(tx.hash, 1), mint)
self.assertIn(TokenUtxoInfo(tx.hash, 2), melt)
# there should only be one element on the indexes for the token
self.assertEqual(1, len(mint))
self.assertEqual(1, len(melt))
# check total amount of tokens
self.assertEqual(100, tokens_index.get_total())
# new tx minting tokens
mint_amount = 300
deposit_amount = get_deposit_amount(mint_amount)
script = P2PKH.create_output_script(self.address)
# inputs
mint_input = TxInput(tx.hash, 1, b'')
melt_input = TxInput(tx.hash, 2, b'')
deposit_input = TxInput(tx.hash, 3, b'')
# outputs
mint_output = TxOutput(mint_amount, script, 1)
authority_output1 = TxOutput(TxOutput.TOKEN_MINT_MASK, script,
0b10000001)
authority_output2 = TxOutput(TxOutput.TOKEN_MELT_MASK, script,
0b10000001)
deposit_output = TxOutput(tx.outputs[3].value - deposit_amount, script,
0)
tx2 = Transaction(weight=1,
inputs=[mint_input, melt_input, deposit_input],
outputs=[
authority_output1, authority_output2,
mint_output, deposit_output
],
parents=self.manager.get_new_tx_parents(),
tokens=[token_uid],
storage=self.manager.tx_storage,
timestamp=int(self.clock.seconds()))
# sign inputs
wallet = self.manager.wallet
data_to_sign = tx2.get_sighash_all()
public_bytes, signature = wallet.get_input_aux_data(
data_to_sign, wallet.get_private_key(self.address_b58))
data = P2PKH.create_input_data(public_bytes, signature)
tx2.inputs[0].data = data
tx2.inputs[1].data = data
tx2.inputs[2].data = data
tx2.resolve()
tx2.verify()
self.manager.propagate_tx(tx2)
self.run_to_completion()
# there should only be one element on the indexes for the token
tokens_index = self.manager.tx_storage.indexes.tokens.get_token_info(
tx.tokens[0])
mint = list(tokens_index.iter_mint_utxos())
melt = list(tokens_index.iter_melt_utxos())
self.assertEqual(1, len(mint))
self.assertEqual(1, len(melt))
self.assertIn(TokenUtxoInfo(tx2.hash, 0), mint)
self.assertIn(TokenUtxoInfo(tx2.hash, 1), melt)
# check total amount of tokens has been updated
self.assertEqual(400, tokens_index.get_total())
# create conflicting tx by changing parents
tx3 = Transaction.create_from_struct(tx2.get_struct())
tx3.parents = [tx.parents[1], tx.parents[0]]
tx3.weight = 3
tx3.resolve()
self.assertNotEqual(tx3.hash, tx2.hash)
self.assertTrue(tx3.weight > tx2.weight)
self.manager.propagate_tx(tx3)
self.run_to_completion()
# new tx should be on tokens index. Old tx should not be present
tokens_index = self.manager.tx_storage.indexes.tokens.get_token_info(
tx.tokens[0])
mint = list(tokens_index.iter_mint_utxos())
melt = list(tokens_index.iter_melt_utxos())
self.assertIn(TokenUtxoInfo(tx3.hash, 0), mint)
self.assertIn(TokenUtxoInfo(tx3.hash, 1), melt)
# there should only be one element on the indexes for the token
self.assertEqual(1, len(mint))
self.assertEqual(1, len(melt))
# should have same amount of tokens
self.assertEqual(400, tokens_index.get_total())
def test_get(self):
# Mining new block
response_mining = yield self.web_mining.get('mining')
data_mining = response_mining.json_value()
block_bytes = resolve_block_bytes(
block_bytes=data_mining['block_bytes'])
yield self.web_mining.post(
'mining',
{'block_bytes': base64.b64encode(block_bytes).decode('utf-8')})
# Unlocking wallet
self.manager.wallet.unlock(b'MYPASS')
# Creating a valid transaction to be pushed to the network
blocks = add_new_blocks(self.manager, 3, advance_clock=2)
add_blocks_unlock_reward(self.manager)
tx_id = blocks[0].hash
output = blocks[0].outputs[0]
script_type_out = parse_address_script(output.script)
address = script_type_out.address
private_key = self.manager.wallet.get_private_key(address)
output_address = decode_address(self.get_address(0))
value = self.manager.get_tokens_issued_per_block(1)
o = TxOutput(value, create_output_script(output_address, None))
i = TxInput(tx_id, 0, b'')
tx = Transaction(inputs=[i], outputs=[o])
data_to_sign = tx.get_sighash_all()
public_key_bytes, signature_bytes = self.manager.wallet.get_input_aux_data(
data_to_sign, private_key)
i.data = P2PKH.create_input_data(public_key_bytes, signature_bytes)
tx.inputs = [i]
tx.timestamp = int(self.clock.seconds())
tx.weight = self.manager.minimum_tx_weight(tx)
tx.parents = self.manager.get_new_tx_parents(tx.timestamp)
tx.resolve()
response = yield self.web.get(
'push_tx', {b'hex_tx': bytes(tx.get_struct().hex(), 'utf-8')})
data = response.json_value()
self.assertTrue(data['success'])
# Sending token to random address without input
data_json = {
'outputs': [{
'address': self.get_address(0),
'value': 5
}],
'inputs': []
}
yield self.web_tokens.post('wallet/send_tokens', {'data': data_json})
# modify tx so it will be a double spending, then rejected
tx.weight += 0.1
tx.resolve()
response_success = yield self.web.get(
'push_tx', {b'hex_tx': bytes(tx.get_struct().hex(), 'utf-8')})
data_success = response_success.json_value()
self.assertFalse(data_success['success'])
# Invalid tx (don't have inputs)
genesis_tx = get_genesis_transactions(self.manager.tx_storage)[1]
response_genesis = yield self.web.get(
'push_tx',
{b'hex_tx': bytes(genesis_tx.get_struct().hex(), 'utf-8')})
data_genesis = response_genesis.json_value()
self.assertFalse(data_genesis['success'])
# Invalid hex
response_error1 = yield self.web.get('push_tx', {b'hex_tx': b'XXXX'})
data_error1 = response_error1.json_value()
self.assertFalse(data_error1['success'])
# Invalid tx hex
response_error2 = yield self.web.get('push_tx', {b'hex_tx': b'a12c'})
data_error2 = response_error2.json_value()
self.assertFalse(data_error2['success'])
# Token creation tx
tx2 = create_tokens(self.manager,
address,
mint_amount=100,
propagate=False)
response = yield self.web.get(
'push_tx', {b'hex_tx': bytes(tx2.get_struct().hex(), 'utf-8')})
data = response.json_value()
self.assertTrue(data['success'])
def _run_push_tx_test(self, is_post: bool) -> Generator:
# Mining new block
response_mining = yield self.web_mining.get('mining')
data_mining = response_mining.json_value()
block_bytes = resolve_block_bytes(block_bytes=data_mining['block_bytes'])
yield self.web_mining.post('mining', {'block_bytes': base64.b64encode(block_bytes).decode('utf-8')})
# Unlocking wallet
self.manager.wallet.unlock(b'MYPASS')
# Creating a valid transaction to be pushed to the network
blocks = add_new_blocks(self.manager, 3, advance_clock=2)
add_blocks_unlock_reward(self.manager)
tx_id = blocks[0].hash
output = blocks[0].outputs[0]
script_type_out = parse_address_script(output.script)
assert script_type_out is not None
address = script_type_out.address
private_key = self.manager.wallet.get_private_key(address)
script_out_addr = self.get_address(0)
assert script_out_addr is not None
output_address = decode_address(script_out_addr)
value = self.manager.get_tokens_issued_per_block(1)
o = TxOutput(value, create_output_script(output_address, None))
i = TxInput(tx_id, 0, b'')
tx = Transaction(inputs=[i], outputs=[o])
data_to_sign = tx.get_sighash_all()
public_key_bytes, signature_bytes = self.manager.wallet.get_input_aux_data(data_to_sign, private_key)
i.data = P2PKH.create_input_data(public_key_bytes, signature_bytes)
tx.inputs = [i]
tx.timestamp = int(self.clock.seconds())
tx.weight = self.manager.minimum_tx_weight(tx)
tx.parents = self.manager.get_new_tx_parents(tx.timestamp)
tx.resolve()
push_tx_fn = self.web.post if is_post else self.web.get
hex_param = 'hex_tx' if is_post else b'hex_tx'
force_param = 'force' if is_post else b'force'
tx_hex = tx.get_struct().hex()
hex_data = tx_hex if is_post else bytes(tx_hex, 'utf-8')
response = yield push_tx_fn('push_tx', {hex_param: hex_data})
data = response.json_value()
self.assertTrue(data['success'])
# Sending token to random address without input
data_json = {'outputs': [{'address': self.get_address(0), 'value': 5}], 'inputs': []}
yield self.web_tokens.post('wallet/send_tokens', {'data': data_json})
# modify tx so it will be a double spending, then rejected
tx.weight += 0.1
tx.resolve()
tx_hex = tx.get_struct().hex()
hex_data = tx_hex if is_post else bytes(tx_hex, 'utf-8')
response_success = yield push_tx_fn('push_tx', {hex_param: hex_data})
data_success = response_success.json_value()
self.assertFalse(data_success['success'])
# invalid transaction, without forcing
tx.timestamp = 5
tx.inputs = [TxInput(blocks[1].hash, 0, b'')]
script_type_out = parse_address_script(blocks[1].outputs[0].script)
assert script_type_out is not None
private_key = self.manager.wallet.get_private_key(script_type_out.address)
data_to_sign = tx.get_sighash_all()
public_key_bytes, signature_bytes = self.manager.wallet.get_input_aux_data(data_to_sign, private_key)
tx.inputs[0].data = P2PKH.create_input_data(public_key_bytes, signature_bytes)
tx_hex = tx.get_struct().hex()
hex_data = tx_hex if is_post else bytes(tx_hex, 'utf-8')
response = yield push_tx_fn('push_tx', {hex_param: hex_data})
data = response.json_value()
self.assertFalse(data['success'])
# force
tx_hex = tx.get_struct().hex()
hex_data = tx_hex if is_post else bytes(tx_hex, 'utf-8')
response = yield push_tx_fn('push_tx', {hex_param: hex_data, force_param: True if is_post else b'true'})
data = response.json_value()
self.assertFalse(data['success'])
# Invalid tx (don't have inputs)
genesis_tx = next(x for x in self.manager.tx_storage.get_all_genesis() if x.is_transaction)
genesis_hex = genesis_tx.get_struct().hex()
hex_data = genesis_hex if is_post else bytes(genesis_hex, 'utf-8')
response_genesis = yield push_tx_fn('push_tx', {hex_param: hex_data})
data_genesis = response_genesis.json_value()
self.assertFalse(data_genesis['success'])
# Invalid tx hex
invalid_hex_data = 'a12c' if is_post else b'a12c'
response_error2 = yield push_tx_fn('push_tx', {hex_param: invalid_hex_data})
data_error2 = response_error2.json_value()
self.assertFalse(data_error2['success'])
# Token creation tx
tx2 = create_tokens(self.manager, address, mint_amount=100, propagate=False)
tx2_hex = tx2.get_struct().hex()
hex_data = tx2_hex if is_post else bytes(tx2_hex, 'utf-8')
response = yield push_tx_fn('push_tx', {hex_param: hex_data})
data = response.json_value()
self.assertTrue(data['success'])
def test_post(self):
# Unlocking wallet
self.manager.wallet.unlock(b'MYPASS')
blocks = add_new_blocks(self.manager, 3, advance_clock=1)
add_blocks_unlock_reward(self.manager)
blocks_tokens = [
sum(txout.value for txout in blk.outputs) for blk in blocks
]
self.assertEqual(
self.manager.wallet.balance[settings.HATHOR_TOKEN_UID].available,
sum(blocks_tokens))
# Options
yield self.web.options('thin_wallet/send_tokens')
tx_id = blocks[0].hash
output = blocks[0].outputs[0]
script_type_out = parse_address_script(output.script)
address = script_type_out.address
private_key = self.manager.wallet.get_private_key(address)
output_address = decode_address(self.get_address(0))
value = blocks_tokens[0]
o = TxOutput(value, create_output_script(output_address, None))
o_invalid_amount = TxOutput(value - 1,
create_output_script(output_address, None))
i = TxInput(tx_id, 0, b'')
# wrong weight
tx = Transaction(inputs=[i], outputs=[o])
data_to_sign = tx.get_sighash_all()
public_key_bytes, signature_bytes = self.manager.wallet.get_input_aux_data(
data_to_sign, private_key)
i.data = P2PKH.create_input_data(public_key_bytes, signature_bytes)
tx.inputs = [i]
tx.timestamp = int(self.clock.seconds())
tx.weight = 0
response = yield self.web.post('thin_wallet/send_tokens',
{'tx_hex': tx.get_struct().hex()})
data = response.json_value()
self.assertFalse(data['success'])
# Error wrong amount
tx2 = Transaction(inputs=[i], outputs=[o_invalid_amount])
data_to_sign = tx2.get_sighash_all()
public_key_bytes, signature_bytes = self.manager.wallet.get_input_aux_data(
data_to_sign, private_key)
i.data = P2PKH.create_input_data(public_key_bytes, signature_bytes)
tx2.inputs = [i]
tx2.timestamp = int(self.clock.seconds())
tx2.weight = self.manager.minimum_tx_weight(tx2)
response_wrong_amount = yield self.web.post(
'thin_wallet/send_tokens', {'tx_hex': tx2.get_struct().hex()})
data_wrong_amount = response_wrong_amount.json_value()
self.assertFalse(data_wrong_amount['success'])
# successful tx
tx3 = Transaction(inputs=[i], outputs=[o])
data_to_sign = tx3.get_sighash_all()
public_key_bytes, signature_bytes = self.manager.wallet.get_input_aux_data(
data_to_sign, private_key)
i.data = P2PKH.create_input_data(public_key_bytes, signature_bytes)
tx3.inputs = [i]
tx3.timestamp = int(self.clock.seconds())
tx3.weight = self.manager.minimum_tx_weight(tx3)
# Then send tokens
response = yield self.web.post('thin_wallet/send_tokens',
{'tx_hex': tx3.get_struct().hex()})
data = response.json_value()
self.assertTrue(data['success'])
# Trying to send a double spending will not have success
self.clock.advance(5)
tx3.timestamp = int(self.clock.seconds())
response = yield self.web.post('thin_wallet/send_tokens',
{'tx_hex': tx3.get_struct().hex()})
data_error = response.json_value()
self.assertFalse(data_error['success'])
self.clock.advance(5)
# Check if tokens were really sent
self.assertEqual(
self.manager.wallet.balance[settings.HATHOR_TOKEN_UID].available,
sum(blocks_tokens[:-1]))
response_history = yield self.web_address_history.get(
'thin_wallet/address_history', {
b'addresses[]': address.encode(),
})
response_data = response_history.json_value()['history']
self.assertIn(data['tx']['hash'], [x['tx_id'] for x in response_data])
# Create token tx
tx4 = create_tokens(self.manager,
address,
mint_amount=100,
propagate=False)
tx4.nonce = 0
tx4.timestamp = int(self.clock.seconds())
response = yield self.web.post('thin_wallet/send_tokens',
{'tx_hex': tx4.get_struct().hex()})
data = response.json_value()
self.assertTrue(data['success'])
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)
