class RFAIEventConsumer(EventConsumer):
def __init__(self, net_id, ws_provider, ipfs_url, ipfs_port):
self._ipfs_util = IPFSUtil(ipfs_url, ipfs_port)
self._blockchain_util = BlockChainUtil("WS_PROVIDER", ws_provider)
self._net_id = net_id
def on_event(self, event):
pass
def _get_rfai_contract(self):
base_contract_path = os.path.abspath(
os.path.join(os.path.dirname(__file__), '..', '..', 'node_modules',
'singularitynet-rfai-contracts'))
rfai_contract = self._blockchain_util.get_contract_instance(
base_contract_path, "RFAI", self._net_id)
return rfai_contract
def _get_rfai_metadata_from_ipfs(self, ipfs_hash):
return self._ipfs_util.read_file_from_ipfs(ipfs_hash)
def _get_event_data(self, event):
return eval(event['data']['json_str'])
def _get_metadata_hash(self, metadata_uri):
return metadata_uri.decode("utf-8")
def _get_rfai_service_request_by_id(self, request_id):
rfai_contract = self._get_rfai_contract()
result = self._blockchain_util.call_contract_function(
rfai_contract, "getServiceRequestById", request_id)
return result
class OrganizationEventConsumer(EventConsumer):
_connection = Repository(NETWORK_ID, NETWORKS=NETWORKS)
_organization_repository = OrganizationRepository(_connection)
_service_repository = ServiceRepository(_connection)
def __init__(self, ws_provider, ipfs_url, ipfs_port):
self._ipfs_util = IPFSUtil(ipfs_url, ipfs_port)
self._blockchain_util = BlockChainUtil("WS_PROVIDER", ws_provider)
self._s3_util = S3Util(S3_BUCKET_ACCESS_KEY, S3_BUCKET_SECRET_KEY)
def on_event(self, event):
pass
def _push_asset_to_s3_using_hash(self, hash, org_id, service_id):
io_bytes = self._ipfs_util.read_bytesio_from_ipfs(
hash.lstrip("ipfs://"))
filename = hash.split("/")[1]
if service_id:
s3_filename = ASSETS_PREFIX + "/" + org_id + "/" + service_id + "/" + filename
else:
s3_filename = ASSETS_PREFIX + "/" + org_id + "/" + filename
new_url = self._s3_util.push_io_bytes_to_s3(s3_filename,
ASSETS_BUCKET_NAME,
io_bytes)
return new_url
def _get_new_assets_url(self, org_id, new_ipfs_data):
new_assets_hash = new_ipfs_data.get('assets', {})
existing_assets_hash = {}
existing_assets_url = {}
existing_organization = self._organization_repository.get_organization(
org_id)
if existing_organization:
existing_assets_hash = json.loads(
existing_organization["assets_hash"])
existing_assets_url = json.loads(
existing_organization["org_assets_url"])
new_assets_url_mapping = self._comapre_assets_and_push_to_s3(
existing_assets_hash, new_assets_hash, existing_assets_url, org_id,
"")
return new_assets_url_mapping
def _get_org_id_from_event(self, event):
event_org_data = eval(event['data']['json_str'])
org_id_bytes = event_org_data['orgId']
org_id = Web3.toText(org_id_bytes).rstrip("\x00")
return org_id
def _get_registry_contract(self):
net_id = NETWORK_ID
base_contract_path = os.path.abspath(
os.path.join(os.path.dirname(__file__), '..', '..', 'node_modules',
'singularitynet-platform-contracts'))
registry_contract = self._blockchain_util.get_contract_instance(
base_contract_path, "REGISTRY", net_id)
return registry_contract
def _get_org_details_from_blockchain(self, event):
logger.info(f"processing org event {event}")
registry_contract = self._get_registry_contract()
org_id = self._get_org_id_from_event(event)
blockchain_org_data = registry_contract.functions.getOrganizationById(
org_id.encode('utf-8')).call()
org_metadata_uri = Web3.toText(
blockchain_org_data[2]).rstrip("\x00").lstrip("ipfs://")
ipfs_org_metadata = self._ipfs_util.read_file_from_ipfs(
org_metadata_uri)
return org_id, blockchain_org_data, ipfs_org_metadata, org_metadata_uri