def test_transaction_deserialization(user_ffill, user_cond, data, data_id):
from bigchaindb_common.transaction import Transaction, Asset
timestamp = '66666666666'
expected_asset = Asset(data, data_id)
expected = Transaction(Transaction.CREATE, expected_asset, [user_ffill],
[user_cond], None, timestamp, Transaction.VERSION)
tx = {
'version': Transaction.VERSION,
'transaction': {
# NOTE: This test assumes that Fulfillments and Conditions can
# successfully be serialized
'fulfillments': [user_ffill.to_dict()],
'conditions': [user_cond.to_dict()],
'operation': Transaction.CREATE,
'timestamp': timestamp,
'metadata': None,
'asset': {
'id': data_id,
'divisible': False,
'updatable': False,
'refillable': False,
'data': data,
}
}
}
tx_no_signatures = Transaction._remove_signatures(tx)
tx['id'] = Transaction._to_hash(Transaction._to_str(tx_no_signatures))
tx = Transaction.from_dict(tx)
assert tx == expected
def test_validate_fulfillment_with_invalid_parameters(utx):
from bigchaindb_common.transaction import Transaction
input_conditions = [cond.fulfillment.condition_uri for cond
in utx.conditions]
tx_dict = utx.to_dict()
tx_dict = Transaction._remove_signatures(tx_dict)
tx_serialized = Transaction._to_str(tx_dict)
assert utx._fulfillment_valid(utx.fulfillments[0],
tx_serialized,
input_conditions) is False