def get_blockchain(self):
"""
:return: The blockchain received from the relay.
"""
print("Getting blockchain")
response = client.get(self.url, "blockchain")
if response.status == 200:
print("Blockchain successfully received")
else:
print("A problem occured while getting the blockchain from %s" %
self.url)
return Blockchain.parse(response.data)
def test_select_payment(client, campaign):
"""
Test if we can select a payment and a perk
"""
perk = campaign.perks.last()
resp = client.get(reverse('select_payment', args=[campaign.key]) + '?perk={}'.format(perk.id))
assert resp.status_code == 200
dom = html.fromstring(resp.content)
# title must be there
perk_title = dom.cssselect('#perk-title')[0].text
assert perk_title == perk.title
# the amount must be high enough
dom_amount = dom.cssselect('#id_amount')[0]
assert Decimal(dom_amount.value) >= perk.amount
def ready(self):
log.debug(
"Initializing relay server by getting blockchain from master")
user = settings.RELAY_CREDENTIALS['username']
pwd = settings.RELAY_CREDENTIALS['password']
server = Relay()
try:
response = client.get(settings.MASTER_IP,
"blockchain",
basic_auth=(user, pwd))
except ConnectionError:
print(
"Error: MasterNode is not running at '%s' (check settings file)."
% settings.MASTER_IP)
sys.exit(1)
server.blockchain = Blockchain.parse(response.data)
def get_transaction(self, excludes_list):
"""
Get transaction from relay.
:param excludes: TX hashes to be excluded on the request.
:return: The transaction received if exist, otherwise None.
"""
response = client.get(self.url, "transactions",
{"exclude_hash": excludes_list})
if response.status == 200:
print("Transaction successfully received")
return Transaction.parse(response.data)
elif response.status == 404:
# print("no request to be received")
return None
else:
print("Unknown error while requesting transaction")
return None
def test_select_payment(client, campaign):
"""
Test if we can select a payment and a perk
"""
perk = campaign.perks.last()
resp = client.get(
reverse('select_payment', args=[campaign.key]) +
'?perk={}'.format(perk.id))
assert resp.status_code == 200
dom = html.fromstring(resp.content)
# title must be there
perk_title = dom.cssselect('#perk-title')[0].text
assert perk_title == perk.title
# the amount must be high enough
dom_amount = dom.cssselect('#id_amount')[0]
assert Decimal(dom_amount.value) >= perk.amount
def post(self, request):
# TODO make sure that only master node can request this
try:
block = Block.parse(request.data)
except ParseException as e:
return Response({'errors': str(e)},
status=status.HTTP_406_NOT_ACCEPTABLE)
logger.debug("Adding block '%s' to blockchain" % block.header)
updated = self.server.update_blockchain(block)
# TODO test when the blockchain is not updated
if not updated:
logger.debug("Blockchain not up to date, requesting part of.")
response = client.get(
settings.MASTER_IP,
'blockchain?start=%d' % (self.server.blockchain_size - 1))
blockchain = Blockchain.parse(response.data)
self.server.add_blocks(blockchain.blocks)
return Response(status=status.HTTP_201_CREATED)