class Payload:
def __init__(self, payload):
self._payload = SCPayload()
self._payload.ParseFromString(payload)
@staticmethod
def from_bytes(payload):
return Payload(payload=payload)
@property
def action(self):
return self._payload.action
@property
def timestamp(self):
return self._payload.timestamp
@property
def data(self):
if self.action == SCPayload.CREATE_AGENT:
return self._payload.create_agent
if self.action == SCPayload.CREATE_PACKAGE:
return self._payload.create_package
if self.action == SCPayload.UPDATE_PACKAGE:
return self._payload.update_package
if self.action == SCPayload.CREATE_REPLANTATION:
return self._payload.create_replantation
def get_blockchain_details(self, obj):
if obj.blockchain_batch_id:
request = self.context['request']
http = 'https' if request.is_secure() else 'http'
r = requests.get(
f"{http}://{os.environ.get('API_HOST')}:{os.environ.get('API_PORT')}/batches/{obj.blockchain_batch_id}"
)
try:
transaction = r.json()['data']['transactions'][0]
payload = base64.b64decode(transaction['payload'])
try:
t = SCPayload()
t.ParseFromString(payload)
payload = str(t).replace('\n', '</br>')
if t.timestamp:
readable_timestamp = self.parse_timestamp_to_str_datetime(
t.timestamp)
payload = payload.replace(str(t.timestamp),
readable_timestamp)
transaction['payload'] = payload
except DecodeError:
transaction['payload'] = 'System transaction'
except (KeyError, IndexError):
transaction = {}
return transaction
return {}