def test_create_create_transaction_multiple_io(user_output, user2_output,
user_pub, user2_pub,
asset_definition):
from bigchaindb.common.transaction import Transaction, Input
# a fulfillment for a create transaction with multiple `owners_before`
# is a fulfillment for an implicit threshold condition with
# weight = len(owners_before)
input = Input.generate([user_pub, user2_pub]).to_dict()
expected = {
'outputs': [user_output.to_dict(),
user2_output.to_dict()],
'metadata': {
'message': 'hello'
},
'inputs': [input],
'operation': 'CREATE',
'version': Transaction.VERSION
}
tx = Transaction.create([user_pub, user2_pub], [([user_pub], 1),
([user2_pub], 1)],
metadata={
'message': 'hello'
}).to_dict()
tx.pop('id')
tx.pop('asset')
assert tx == expected
def create(owner_before, outputs, metadata, asset_data):
"""
Generate a CREATE transaction.
The CREATE transaction creates a new asset.
"""
input_ = Input.generate([owner_before])
outputs = [Output.from_dict(c) for c in listify(outputs)]
tx = Transaction(Transaction.CREATE, {'data': asset_data}, [input_],
outputs, metadata)
tx = Transaction._to_str(tx.to_dict())
click.echo(tx)