Consolidated ussd dataseeding script

apps/cic-ussd/cic_ussd/account/transaction.py

@@ -1,5 +1,6 @@
 # standard import
 import decimal
+import json
 import logging
 from typing import Dict, Tuple
 
@@ -8,6 +9,8 @@ from cic_eth.api import Api
 from sqlalchemy.orm.session import Session
 
 # local import
+from cic_ussd.account.chain import Chain
+from cic_ussd.account.tokens import get_cached_default_token
 from cic_ussd.db.models.account import Account
 from cic_ussd.db.models.base import SessionBase
 from cic_ussd.error import UnknownUssdRecipient
@@ -59,7 +62,9 @@ def from_wei(value: int) -> float:
     :return: SRF equivalent of value in Wei
     :rtype: float
     """
-    value = float(value) / 1e+6
+    cached_token_data = json.loads(get_cached_default_token(Chain.spec.__str__()))
+    token_decimals: int = cached_token_data.get('decimals')
+    value = float(value) / (10**token_decimals)
     return truncate(value=value, decimals=2)
 
 
@@ -70,7 +75,9 @@ def to_wei(value: int) -> int:
     :return: Wei equivalent of value in SRF
     :rtype: int
     """
-    return int(value * 1e+6)
+    cached_token_data = json.loads(get_cached_default_token(Chain.spec.__str__()))
+    token_decimals: int = cached_token_data.get('decimals')
+    return int(value * (10**token_decimals))
 
 
 def truncate(value: float, decimals: int):

apps/cic-ussd/cic_ussd/metadata/base.py

@@ -44,7 +44,7 @@ class MetadataRequestsHandler(Metadata):
 
     def create(self, data: Union[Dict, str]):
         """"""
-        data = json.dumps(data)
+        data = json.dumps(data).encode('utf-8')
         result = make_request(method='POST', url=self.url, data=data, headers=self.headers)
 
         error_handler(result=result)

apps/cic-ussd/cic_ussd/session/ussd_session.py

@@ -146,7 +146,7 @@ def create_ussd_session(
                        )
 
 
-def update_ussd_session(ussd_session: UssdSession,
+def update_ussd_session(ussd_session: DbUssdSession,
                         user_input: str,
                         state: str,
                         data: Optional[dict] = None) -> UssdSession:

apps/cic-ussd/cic_ussd/tasks/callback_handler.py

@@ -138,26 +138,14 @@ def transaction_balances_callback(self, result: list, param: dict, status_code:
     balances_data = result[0]
     available_balance = calculate_available_balance(balances_data)
     transaction = param
-    blockchain_address = transaction.get('blockchain_address')
     transaction['available_balance'] = available_balance
     queue = self.request.delivery_info.get('routing_key')
 
-    s_preferences_metadata = celery.signature(
-        'cic_ussd.tasks.metadata.query_preferences_metadata', [blockchain_address], queue=queue
-    )
     s_process_account_metadata = celery.signature(
         'cic_ussd.tasks.processor.parse_transaction', [transaction], queue=queue
     )
     s_notify_account = celery.signature('cic_ussd.tasks.notifications.transaction', queue=queue)
-
-    if transaction.get('transaction_type') == 'transfer':
-        celery.chain(s_preferences_metadata, s_process_account_metadata, s_notify_account).apply_async()
-
-    if transaction.get('transaction_type') == 'tokengift':
-        s_process_account_metadata = celery.signature(
-            'cic_ussd.tasks.processor.parse_transaction', [{}, transaction], queue=queue
-        )
-        celery.chain(s_process_account_metadata, s_notify_account).apply_async()
+    celery.chain(s_process_account_metadata, s_notify_account).apply_async()
 
 
 @celery_app.task

apps/cic-ussd/cic_ussd/tasks/processor.py

@@ -8,6 +8,7 @@ import i18n
 from chainlib.hash import strip_0x
 
 # local imports
+from cic_ussd.account.metadata import get_cached_preferred_language
 from cic_ussd.account.statement import get_cached_statement
 from cic_ussd.account.transaction import aux_transaction_data, validate_transaction_account
 from cic_ussd.cache import cache_data, cache_data_key
@@ -58,19 +59,17 @@ def cache_statement(parsed_transaction: dict, querying_party: str):
 
 
 @celery_app.task
-def parse_transaction(preferences: dict, transaction: dict) -> dict:
+def parse_transaction(transaction: dict) -> dict:
     """This function parses transaction objects and collates all relevant data for system use i.e:
     - An account's set preferred language.
     - Account identifier that facilitates notification.
     - Contextual tags i.e action and direction tags.
-    :param preferences: An account's set preferences.
-    :type preferences: dict
     :param transaction: Transaction object.
     :type transaction: dict
     :return: Transaction object with contextual data for use in the system.
     :rtype: dict
     """
-    preferred_language = preferences.get('preferred_language')
+    preferred_language = get_cached_preferred_language(transaction.get('blockchain_address'))
     if not preferred_language:
         preferred_language = i18n.config.get('fallback')
     transaction['preferred_language'] = preferred_language
@@ -83,6 +82,8 @@ def parse_transaction(preferences: dict, transaction: dict) -> dict:
     alt_account = session.query(Account).filter_by(blockchain_address=alt_blockchain_address).first()
     if alt_account:
         transaction['alt_metadata_id'] = alt_account.standard_metadata_id()
+    else:
+        transaction['alt_metadata_id'] = 'GRASSROOTS ECONOMICS'
     transaction['metadata_id'] = account.standard_metadata_id()
     transaction['phone_number'] = account.phone_number
     session.close()