def check_tx_requirements(self, transactions):
""" check if given transactions contain required fields """
valid = True
valid_txs, invalid_txs = [], []
for tx in transactions:
tx_header = tx['header']
if not tx_header['transaction_type']:
valid = False
elif not tx_header['transaction_id']:
valid = False
elif not tx_header['transaction_ts']:
valid = False
elif not tx_header['owner']:
valid = False
elif not self.check_tx_sig_existence(tx):
valid = False
elif not valid_transaction_sig(tx):
valid = False
if valid:
valid_txs.append(tx)
else:
invalid_txs.append(tx)
valid = True
return valid_txs, invalid_txs
def check_tx_requirements(self, transactions):
""" check if given transactions contain required fields """
valid = True
valid_txs, invalid_txs = [], []
for tx in transactions:
tx_header = tx['header']
if not tx_header['transaction_type']:
valid = False
elif not tx_header['transaction_id']:
valid = False
elif not tx_header['transaction_ts']:
valid = False
elif not tx_header['owner']:
valid = False
elif not self.check_tx_sig_existence(tx):
valid = False
elif not valid_transaction_sig(tx):
valid = False
if valid:
valid_txs.append(tx)
else:
invalid_txs.append(tx)
valid = True
return valid_txs, invalid_txs
def test_valid_transaction_sig(self):
""" testing crypto valid_transaction_sig """
transaction = TRANSACTION.copy()
# sign transaction (tested prior to this call)
test_transaction = crypto.sign_transaction(SIGNATORY, PRIVATE_KEY, PUBLIC_KEY, transaction)
# testing signature validation
sig_validation = crypto.valid_transaction_sig(test_transaction)
# check if valid_transaction_sig returned true
self.assertTrue(sig_validation, True)
def test_valid_transaction_sig(self):
""" testing crypto valid_transaction_sig """
transaction = TRANSACTION.copy()
# sign transaction (tested prior to this call)
test_transaction = crypto.sign_transaction(SIGNATORY, PRIVATE_KEY,
PUBLIC_KEY, transaction)
# testing signature validation
sig_validation = crypto.valid_transaction_sig(test_transaction)
# check if valid_transaction_sig returned true
self.assertTrue(sig_validation, True)
def post(self):
txn = self.request.body
log = self.application.log
log.debug("Parsing JSON")
try:
txn = tornado.escape.json_decode(txn)
txn["header"]["transaction_id"] = str(uuid.uuid4())
txn["header"]["transaction_ts"] = int(time.time())
except:
log.error("Failed to parse JSON. Details: " +
str(sys.exc_info()[1]))
self.clear()
self.set_txn_status(log, 400)
self.write(
format_error("invalid input",
"ERROR: Failed to parse JSON\n"))
return
try:
log.info("Validating the transaction")
if not valid_vestal_transaction(txn):
return False
if valid_transaction_sig(txn):
log.info("Signing the transaction")
txn = sign_transaction("transaction-service",
self.application.private_key,
self.application.public_key, txn)
tx_dao.insert_transaction(txn)
self.set_header("Content-Type", "application/json")
self.set_txn_status(log, 201)
self.write(
json.dumps(
{"transaction_id": txn["header"]["transaction_id"]}))
return
else: # TODO: add status function accepts status code number and status string
self.set_txn_status(log, 400)
return
except:
log.error(str(sys.exc_info()))
self.clear()
self.set_txn_status(log, 500)
self.write(format_error("validation", str(sys.exc_info()[1])))
def post(self):
txn = self.request.body
log = self.application.log
log.debug("Parsing JSON")
try:
txn = tornado.escape.json_decode(txn)
txn["header"]["transaction_id"] = str(uuid.uuid4())
txn["header"]["transaction_ts"] = int(time.time())
except:
log.error("Failed to parse JSON. Details: " + str(sys.exc_info()[1]))
self.clear()
self.set_txn_status(log, 400)
self.write(format_error("invalid input", "ERROR: malformed json\nDocumentation for transaction format can be found at \nhttps://github.com/dragonchain/dragonchain/blob/master/docs/transaction.md"))
return
try:
log.info("Validating the transaction")
if not valid_vestal_transaction(txn):
return False
if valid_transaction_sig(txn):
log.info("Signing the transaction")
txn = sign_transaction("transaction-service",
self.application.private_key,
self.application.public_key, txn)
tx_dao.insert_transaction(txn)
self.set_header("Content-Type", "application/json")
self.set_txn_status(log, 201)
self.write(json.dumps({
"transaction_id": txn["header"]["transaction_id"]
}))
return
else: # TODO: add status function accepts status code number and status string
self.set_txn_status(log, 400)
return
except:
log.error(str(sys.exc_info()))
self.clear()
self.set_txn_status(log, 500)
self.write(format_error("validation", str(sys.exc_info()[1])))
