def test_input_deserialization_with_invalid_input(user_pub):
from bigchaindb.common.transaction import Input
ffill = {
'owners_before': [user_pub],
'fulfillment': None,
'fulfills': None,
}
with raises(TypeError):
Input.from_dict(ffill)
def test_input_deserialization_with_invalid_fulfillment_uri(user_pub):
from bigchaindb.common.exceptions import InvalidSignature
from bigchaindb.common.transaction import Input
ffill = {
'owners_before': [user_pub],
'fulfillment': 'an invalid fulfillment',
'fulfills': None,
}
with raises(InvalidSignature):
Input.from_dict(ffill)
def test_input_deserialization_with_unsigned_fulfillment(ffill_uri, user_pub):
from bigchaindb.common.transaction import Input
from cryptoconditions import Fulfillment
expected = Input(Fulfillment.from_uri(ffill_uri), [user_pub])
ffill = {
'owners_before': [user_pub],
'fulfillment': Fulfillment.from_uri(ffill_uri),
'fulfills': None,
}
input = Input.from_dict(ffill)
assert input == expected
def transfer(inputs, outputs, asset, metadata):
"""
Generate a TRANSFER transaction.
The TRANSFER transaction transfers ownership of a given asset.
"""
inputs = [Input.from_dict(i) for i in listify(inputs)]
outputs = [Output.from_dict(i) for i in listify(outputs)]
tx = Transaction(Transaction.TRANSFER,
asset=asset,
inputs=inputs,
outputs=outputs,
metadata=metadata)
click.echo(Transaction._to_str(tx.to_dict()))
