def create_transaction():
"""API endpoint to push transactions to the Federation.
Return:
A JSON string containing the data about the transaction.
"""
pool = current_app.config['bigchain_pool']
monitor = current_app.config['monitor']
val = {}
# `force` will try to format the body of the POST request even if the `content-type` header is not
# set to `application/json`
tx = request.get_json(force=True)
with pool() as bigchain:
if tx['transaction']['operation'] == 'CREATE':
tx = util.transform_create(tx)
tx = bigchain.consensus.sign_transaction(tx, private_key=bigchain.me_private)
if not bigchain.consensus.verify_signature(tx):
val['error'] = 'Invalid transaction signature'
with monitor.timer('write_transaction', rate=bigchaindb.config['statsd']['rate']):
val = bigchain.write_transaction(tx)
return flask.jsonify(**tx)
def test_transform_create(b, user_private_key, user_public_key):
tx = util.create_tx(user_public_key, user_public_key, None, 'CREATE')
tx = util.transform_create(tx)
tx = util.sign_tx(tx, b.me_private)
assert tx['transaction']['current_owner'] == b.me
assert tx['transaction']['new_owner'] == user_public_key
assert util.verify_signature(tx)
def test_transform_create(b, user_sk, user_vk):
from bigchaindb import util
tx = util.create_tx(user_vk, user_vk, None, 'CREATE')
tx = util.transform_create(tx)
tx = util.sign_tx(tx, b.me_private)
assert tx['transaction']['fulfillments'][0]['current_owners'][0] == b.me
assert tx['transaction']['conditions'][0]['new_owners'][0] == user_vk
assert util.verify_signature(tx)
def create_transaction():
"""API endpoint to push transactions to the Federation.
Return:
A JSON string containing the data about the transaction.
"""
bigchain = current_app.config['bigchain']
val = {}
# `force` will try to format the body of the POST request even if the `content-type` header is not
# set to `application/json`
tx = request.get_json(force=True)
if tx['transaction']['operation'] == 'CREATE':
tx = util.transform_create(tx)
tx = util.sign_tx(tx, bigchain.me_private)
if not util.verify_signature(tx):
val['error'] = 'Invalid transaction signature'
val = bigchain.write_transaction(tx)
return flask.jsonify(**tx)