def test_eos_transaction_serializer():
authorizations = [
types.EosPermissionLevel(actor='eosio', permission='active'),
types.EosPermissionLevel(actor='cryptobakery', permission='active')
]
action = types.EosAction(
account='eosio',
name='newaccount',
authorization=authorizations,
data=b'\x00\x21\x37\x00'
)
transaction = types.EosTransaction(
expiration=datetime(
year=2019,
month=10,
day=5,
hour=3,
minute=30,
second=25,
tzinfo=timezone.utc
),
ref_block_num=3,
ref_block_prefix=3,
actions=[action]
)
encoded = serializer.serialize(transaction)
assert encoded == (
b'Q\x0e\x98]\x03\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00'
b'\x00\x00\xea0U\x00@\x9e\x9a"d\xb8\x9a\x02\x00\x00\x00\x00\x00\xea0U'
b'\x00\x00\x00\x00\xa8\xed22\xe0\xaf\x82\xe6\xd0\\\xfdE\x00\x00\x00'
b'\x00\xa8\xed22\x04\x00!7\x00\x00'
)
length, decoded = serializer.deserialize(encoded, types.EosTransaction)
assert decoded == transaction
assert len(encoded) == length
def test_eos_authorization_serializer():
value = types.EosPermissionLevel(actor='eosio', permission='active')
encoded = serializer.serialize(value)
assert encoded == b'\x00\x00\x00\x00\x00\xea0U\x00\x00\x00\x00\xa8\xed22'
length, decoded = serializer.deserialize(encoded, types.EosPermissionLevel)
assert decoded == value
assert len(encoded) == length
def test_eos_action_serializer():
authorizations = [
types.EosPermissionLevel(actor='eosio', permission='active'),
types.EosPermissionLevel(actor='cryptobakery', permission='active')
]
action = types.EosAction(
account='eosio',
name='newaccount',
authorization=authorizations,
data=b'\x00\x21\x37\x00'
)
encoded = serializer.serialize(action)
assert encoded == (
b'\x00\x00\x00\x00\x00\xea0U\x00@\x9e\x9a"d\xb8\x9a\x02\x00\x00\x00'
b'\x00\x00\xea0U\x00\x00\x00\x00\xa8\xed22\xe0\xaf\x82\xe6\xd0\\\xfd'
b'E\x00\x00\x00\x00\xa8\xed22\x04\x00!7\x00'
)
length, decoded = serializer.deserialize(encoded, types.EosAction)
assert decoded == action
assert len(encoded) == length
async def sign_and_push_transaction(self,
transaction: EosTransaction,
*,
context_free_bytes: bytes = bytes(32),
keys: List[EosKey] = []):
for action in transaction.actions:
if isinstance(action.data, dict):
abi_bin = await self.abi_json_to_bin(action.account,
action.name, action.data)
action.data = binascii.unhexlify(abi_bin['binargs'])
chain_id = await self.get_chain_id()
serialized_transaction = serializer.serialize(transaction)
digest = hashlib.sha256(b''.join(
(chain_id, serialized_transaction, context_free_bytes))).digest()
return await self.push_transaction(
signatures=[key.sign(digest) for key in keys],
serialized_transaction=(
binascii.hexlify(serialized_transaction).decode()))
def test_eos_transaction_deserialize():
"""
Test deserialization logic on a known valid TX from EOS blockchain.
"""
bin_tx = (
b'\xa8\xaa\xca]\x86\xadwB\x7f\xb8\x00\x00\x00\x00\x01\x10T\xd4~\x1a'
b'\x17\xa7{\x00\x00\x00\x00\xa8l\xd4E\x01\x10T\xd4~\x1a\x17\xa7{\x00'
b'\x00\x00\x00\xa8\xed22\xac\x02\x10T\xd4~\x1a\x17\xa7{O(\xe9\xaa\x8c'
b'\xe8\xaf\x81\xe5\xaf\x86\xe9\x92\xa5):6a3167056a9df5a039ef441b6159d'
b'2bef8e9b7337120c43c8140b9ee1f085adf\x1b(\xe6\xb8\xb8\xe6\x88\x8f\xe5'
b'\x90\x8d\xe7\xa7\xb0):\xe4\xb8\x80\xe9\xa3\x9e\xe5\x86\xb2\xe5\xa4'
b'\xa9\x11(\xe6\x88\xbf\xe9\x97\xb4ID):230005"(\xe5\xbc\x80\xe5\xa7'
b'\x8b\xe6\x97\xb6\xe9\x97\xb4):2019-11-12 20:42:15"(\xe7\xbb\x93\xe6'
b'\x9d\x9f\xe6\x97\xb6\xe9\x97\xb4):2019-11-12 20:42:29\xe8\xb3\x01'
b'\x00\x00\x00\x00\x00"(\xe5\xbd\x93\xe5\xb1\x80\xe5\xb1\x80\xe5\x8f'
b'\xb7):1194233921144421632\x15(\xe5\xbd\x93\xe5\xb1\x80\xe5\xbc\x80'
b'\xe7\x89\x8c\xe7\xbb\x93\xe6\x9e\x9c):\x16(\xe6\xb8\xb8\xe6\x88\x8f'
b'\xe7\xbb\x93\xe6\x9e\x9c):2.3 \xe5\x80\x8d\xc8 \xaa_n\x01\x00\x00'
b'\x00'
)
expected = types.EosTransaction(
expiration=datetime.fromisoformat('2019-11-12T12:50:48.000+00:00'),
ref_block_num=44422,
ref_block_prefix=3095347831,
max_net_usage_words=0,
max_cpu_usage_ms=0,
delay_sec=0,
context_free_actions=[],
actions=[
types.EosAction(
account='jinlianyule1',
name='create',
authorization=[
types.EosPermissionLevel(
actor='jinlianyule1',
permission='active'
)
],
data=(
b'\x10T\xd4~\x1a\x17\xa7{O(\xe9\xaa\x8c\xe8\xaf\x81\xe5'
b'\xaf\x86\xe9\x92\xa5):6a3167056a9df5a039ef441b6159d2b'
b'ef8e9b7337120c43c8140b9ee1f085adf\x1b(\xe6\xb8\xb8\xe6'
b'\x88\x8f\xe5\x90\x8d\xe7\xa7\xb0):\xe4\xb8\x80\xe9\xa3'
b'\x9e\xe5\x86\xb2\xe5\xa4\xa9\x11(\xe6\x88\xbf\xe9\x97'
b'\xb4ID):230005"(\xe5\xbc\x80\xe5\xa7\x8b\xe6\x97\xb6'
b'\xe9\x97\xb4):2019-11-12 20:42:15"(\xe7\xbb\x93\xe6'
b'\x9d\x9f\xe6\x97\xb6\xe9\x97\xb4):2019-11-12 20:42:29'
b'\xe8\xb3\x01\x00\x00\x00\x00\x00"(\xe5\xbd\x93\xe5\xb1'
b'\x80\xe5\xb1\x80\xe5\x8f\xb7):1194233921144421632\x15'
b'(\xe5\xbd\x93\xe5\xb1\x80\xe5\xbc\x80\xe7\x89\x8c\xe7'
b'\xbb\x93\xe6\x9e\x9c):\x16(\xe6\xb8\xb8\xe6\x88\x8f\xe7'
b'\xbb\x93\xe6\x9e\x9c):2.3 \xe5\x80\x8d\xc8 \xaa_n\x01'
b'\x00\x00'
)
)
],
transaction_extensions=[]
)
encoded = serializer.serialize(expected)
length, decoded = serializer.deserialize(bin_tx, types.EosTransaction)
assert encoded == bin_tx
assert decoded == expected
assert len(bin_tx) == length