Merge branch 'philip/sms-cluster-issues' into 'master'

Censors sensitive config values.

See merge request grassrootseconomics/cic-internal-integration!209

apps/cic-notify/cic_notify/runnable/tasker.py

@@ -34,6 +34,8 @@ elif args.v:
 config = confini.Config(args.c, args.env_prefix)
 config.process()
 config.add(args.q, '_CELERY_QUEUE', True)
+config.censor('API_KEY', 'AFRICASTALKING')
+config.censor('API_USERNAME', 'AFRICASTALKING')
 config.censor('PASSWORD', 'DATABASE')
 logg.debug('config loaded from {}:\n{}'.format(args.c, config))
 

apps/cic-notify/scripts/migrate.py

@@ -35,9 +35,10 @@ elif args.v:
 
 config = confini.Config(args.c, args.env_prefix)
 config.process()
+config.censor('API_KEY', 'AFRICASTALKING')
+config.censor('API_USERNAME', 'AFRICASTALKING')
 config.censor('PASSWORD', 'DATABASE')
-#config.censor('PASSWORD', 'SSL')
-logg.debug('config:\n{}'.format(config))
+logg.debug('config loaded from {}:\n{}'.format(args.c, config))
 
 migrations_dir = os.path.join(args.migrations_dir, config.get('DATABASE_ENGINE'))
 if not os.path.isdir(migrations_dir):

apps/cic-ussd/cic_ussd/balance.py

@@ -15,45 +15,47 @@ from cic_ussd.conversions import from_wei
 logg = logging.getLogger()
 
 
-class BalanceManager:
-
-    def __init__(self, address: str, chain_str: str, token_symbol: str):
-        """
-        :param address: Ethereum address of account whose balance is being queried
-        :type address: str, 0x-hex
-        :param chain_str: The chain name and network id.
-        :type chain_str: str
-        :param token_symbol: ERC20 token symbol of whose balance is being queried
-        :type token_symbol: str
-        """
-        self.address = address
-        self.chain_str = chain_str
-        self.token_symbol = token_symbol
-
-    def get_balances(self, asynchronous: bool = False) -> Union[celery.Task, dict]:
-        """
-        This function queries cic-eth for an account's balances, It provides a means to receive the balance either
-        asynchronously or synchronously depending on the provided value for teh asynchronous parameter. It returns a
-        dictionary containing network, outgoing and incoming balances.
-        :param asynchronous: Boolean value checking whether to return balances asynchronously
-        :type asynchronous: bool
-        :return:
-        :rtype:
-        """
-        if asynchronous:
-            cic_eth_api = Api(
-                chain_str=self.chain_str,
-                callback_queue='cic-ussd',
-                callback_task='cic_ussd.tasks.callback_handler.process_balances_callback',
-                callback_param=''
-            )
-            cic_eth_api.balance(address=self.address, token_symbol=self.token_symbol)
-        else:
-            cic_eth_api = Api(chain_str=self.chain_str)
-            balance_request_task = cic_eth_api.balance(
-                address=self.address,
-                token_symbol=self.token_symbol)
-            return balance_request_task.get()[0]
+def get_balances(
+        address: str,
+        chain_str: str,
+        token_symbol: str,
+        asynchronous: bool = False,
+        callback_param: any = None,
+        callback_task='cic_ussd.tasks.callback_handler.process_balances_callback') -> Union[celery.Task, dict]:
+    """
+    This function queries cic-eth for an account's balances, It provides a means to receive the balance either
+    asynchronously or synchronously depending on the provided value for teh asynchronous parameter. It returns a
+    dictionary containing network, outgoing and incoming balances.
+    :param address: Ethereum address of the recipient
+    :type address: str, 0x-hex
+    :param chain_str: The chain name and network id.
+    :type chain_str: str
+    :param callback_param:
+    :type callback_param:
+    :param callback_task:
+    :type callback_task:
+    :param token_symbol: ERC20 token symbol of the account whose balance is being queried.
+    :type token_symbol: str
+    :param asynchronous: Boolean value checking whether to return balances asynchronously.
+    :type asynchronous: bool
+    :return:
+    :rtype:
+    """
+    logg.debug(f'Retrieving balance for address: {address}')
+    if asynchronous:
+        cic_eth_api = Api(
+            chain_str=chain_str,
+            callback_queue='cic-ussd',
+            callback_task=callback_task,
+            callback_param=callback_param
+        )
+        cic_eth_api.balance(address=address, token_symbol=token_symbol)
+    else:
+        cic_eth_api = Api(chain_str=chain_str)
+        balance_request_task = cic_eth_api.balance(
+            address=address,
+            token_symbol=token_symbol)
+        return balance_request_task.get()[0]
 
 
 def compute_operational_balance(balances: dict) -> float:

apps/cic-ussd/cic_ussd/error.py

@@ -48,3 +48,6 @@ class InitializationError(Exception):
     pass
 
 
+class UnknownUssdRecipient(Exception):
+    """Raised when a recipient of a transaction is not known to the ussd application."""
+

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

@@ -127,14 +127,19 @@ class MetadataRequestsHandler(Metadata):
         if not isinstance(result_data, dict):
             raise ValueError(f'Invalid result data object: {result_data}.')
 
-        if result.status_code == 200 and self.cic_type == ':cic.person':
-            # validate person metadata
-            person = Person()
-            person_data = person.deserialize(person_data=result_data)
+        if result.status_code == 200:
+            if self.cic_type == ':cic.person':
+                # validate person metadata
+                person = Person()
+                person_data = person.deserialize(person_data=result_data)
 
-            # format new person data for caching
-            data = json.dumps(person_data.serialize())
+                # format new person data for caching
+                serialized_person_data = person_data.serialize()
+                data = json.dumps(serialized_person_data)
+            else:
+                data = json.dumps(result_data)
 
             # cache metadata
             cache_data(key=self.metadata_pointer, data=data)
             logg.debug(f'caching: {data} with key: {self.metadata_pointer}')
+        return result_data

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

@@ -1,6 +1,7 @@
 # standard imports
 
 # external imports
+import celery
 
 # local imports
 from .base import MetadataRequestsHandler

apps/cic-ussd/cic_ussd/processor.py

@@ -12,7 +12,7 @@ from tinydb.table import Document
 
 # local imports
 from cic_ussd.account import define_account_tx_metadata, retrieve_account_statement
-from cic_ussd.balance import BalanceManager, compute_operational_balance, get_cached_operational_balance
+from cic_ussd.balance import compute_operational_balance, get_balances, get_cached_operational_balance
 from cic_ussd.chain import Chain
 from cic_ussd.db.models.account import Account
 from cic_ussd.db.models.base import SessionBase
@@ -182,7 +182,6 @@ def process_transaction_pin_authorization(account: Account, display_key: str, se
     token_symbol = retrieve_token_symbol()
     user_input = ussd_session.get('session_data').get('transaction_amount')
     transaction_amount = to_wei(value=int(user_input))
-    logg.debug('Requires integration to determine user tokens.')
     return process_pin_authorization(
         account=account,
         display_key=display_key,
@@ -380,12 +379,9 @@ def process_start_menu(display_key: str, user: Account):
     token_symbol = retrieve_token_symbol()
     chain_str = Chain.spec.__str__()
     blockchain_address = user.blockchain_address
-    balance_manager = BalanceManager(address=blockchain_address,
-                                     chain_str=chain_str,
-                                     token_symbol=token_symbol)
 
     # get balances synchronously for display on start menu
-    balances_data = balance_manager.get_balances()
+    balances_data = get_balances(address=blockchain_address, chain_str=chain_str, token_symbol=token_symbol)
 
     key = create_cached_data_key(
         identifier=bytes.fromhex(blockchain_address[2:]),

apps/cic-ussd/cic_ussd/runnable/daemons/cic_user_tasker.py

@@ -8,13 +8,16 @@ import tempfile
 import celery
 import i18n
 import redis
+from chainlib.chain import ChainSpec
 from confini import Config
 
 # local imports
+from cic_ussd.chain import Chain
 from cic_ussd.db import dsn_from_config
 from cic_ussd.db.models.base import SessionBase
 from cic_ussd.metadata.signer import Signer
 from cic_ussd.metadata.base import Metadata
+from cic_ussd.phone_number import Support
 from cic_ussd.redis import InMemoryStore
 from cic_ussd.session.ussd_session import UssdSession as InMemoryUssdSession
 from cic_ussd.validator import validate_presence
@@ -82,6 +85,15 @@ Signer.key_file_path = key_file_path
 i18n.load_path.append(config.get('APP_LOCALE_PATH'))
 i18n.set('fallback', config.get('APP_LOCALE_FALLBACK'))
 
+chain_spec = ChainSpec(
+    common_name=config.get('CIC_COMMON_NAME'),
+    engine=config.get('CIC_ENGINE'),
+    network_id=config.get('CIC_NETWORK_ID')
+)
+
+Chain.spec = chain_spec
+Support.phone_number = config.get('APP_SUPPORT_PHONE_NUMBER')
+
 # set up celery
 current_app = celery.Celery(__name__)
 

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

@@ -1,8 +1,4 @@
 # standard import
-import os
-import logging
-import urllib
-import json
 
 # third-party imports
 # this must be included for the package to be recognized as a tasks package
@@ -14,3 +10,5 @@ from .logger import *
 from .ussd_session import *
 from .callback_handler import *
 from .metadata import *
+from .notifications import *
+from .processor import *

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

@@ -7,14 +7,14 @@ from datetime import datetime, timedelta
 import celery
 
 # local imports
+from cic_ussd.balance import compute_operational_balance, get_balances
+from cic_ussd.chain import Chain
 from cic_ussd.conversions import from_wei
 from cic_ussd.db.models.base import SessionBase
 from cic_ussd.db.models.account import Account
-from cic_ussd.account import define_account_tx_metadata
 from cic_ussd.error import ActionDataNotFoundError
-from cic_ussd.redis import InMemoryStore, cache_data, create_cached_data_key
+from cic_ussd.redis import InMemoryStore, cache_data, create_cached_data_key, get_cached_data
 from cic_ussd.tasks.base import CriticalSQLAlchemyTask
-from cic_ussd.transactions import IncomingTransactionProcessor
 
 logg = logging.getLogger(__file__)
 celery_app = celery.current_app
@@ -58,9 +58,9 @@ def process_account_creation_callback(self, result: str, url: str, status_code:
 
             # add phone number metadata lookup
             s_phone_pointer = celery.signature(
-                    'cic_ussd.tasks.metadata.add_phone_pointer',
-                    [result, phone_number]
-                    )
+                'cic_ussd.tasks.metadata.add_phone_pointer',
+                [result, phone_number]
+            )
             s_phone_pointer.apply_async(queue=queue)
 
             # add custom metadata tags
@@ -87,59 +87,106 @@ def process_account_creation_callback(self, result: str, url: str, status_code:
     session.close()
 
 
-@celery_app.task
-def process_incoming_transfer_callback(result: dict, param: str, status_code: int):
-    session = SessionBase.create_session()
+@celery_app.task(bind=True)
+def process_transaction_callback(self, result: dict, param: str, status_code: int):
     if status_code == 0:
+        chain_str = Chain.spec.__str__()
 
-        # collect result data
+        # collect transaction metadata
+        destination_token_symbol = result.get('destination_token_symbol')
+        destination_token_value = result.get('destination_token_value')
         recipient_blockchain_address = result.get('recipient')
         sender_blockchain_address = result.get('sender')
-        token_symbol = result.get('destination_token_symbol')
-        value = result.get('destination_token_value')
+        source_token_symbol = result.get('source_token_symbol')
+        source_token_value = result.get('source_token_value')
 
-        # try to find users in system
-        recipient_user = session.query(Account).filter_by(blockchain_address=recipient_blockchain_address).first()
-        sender_user = session.query(Account).filter_by(blockchain_address=sender_blockchain_address).first()
+        # build stakeholder callback params
+        recipient_metadata = {
+            "token_symbol": destination_token_symbol,
+            "token_value": destination_token_value,
+            "blockchain_address": recipient_blockchain_address,
+            "tag": "recipient",
+            "tx_param": param
+        }
 
-        # check whether recipient is in the system
-        if not recipient_user:
-            session.close()
-            raise ValueError(
-                f'Tx for recipient: {recipient_blockchain_address} was received but has no matching user in the system.'
-            )
+        # retrieve account balances
+        get_balances(
+            address=recipient_blockchain_address,
+            callback_param=recipient_metadata,
+            chain_str=chain_str,
+            callback_task='cic_ussd.tasks.callback_handler.process_transaction_balances_callback',
+            token_symbol=destination_token_symbol,
+            asynchronous=True)
 
-        # process incoming transactions
-        incoming_tx_processor = IncomingTransactionProcessor(phone_number=recipient_user.phone_number,
-                                                             preferred_language=recipient_user.preferred_language,
-                                                             token_symbol=token_symbol,
-                                                             value=value)
+        # only retrieve sender if transaction is a transfer
+        if param == 'transfer':
+            sender_metadata = {
+                "blockchain_address": sender_blockchain_address,
+                "token_symbol": source_token_symbol,
+                "token_value": source_token_value,
+                "tag": "sender",
+                "tx_param": param
+            }
 
-        if param == 'tokengift':
-            incoming_tx_processor.process_token_gift_incoming_transactions()
-        elif param == 'transfer':
-            if sender_user:
-                sender_information = define_account_tx_metadata(user=sender_user)
-                incoming_tx_processor.process_transfer_incoming_transaction(
-                    sender_information=sender_information,
-                    recipient_blockchain_address=recipient_blockchain_address
-                )
-            else:
-                logg.warning(
-                    f'Tx with sender: {sender_blockchain_address} was received but has no matching user in the system.'
-                )
-                incoming_tx_processor.process_transfer_incoming_transaction(
-                    sender_information='GRASSROOTS ECONOMICS',
-                    recipient_blockchain_address=recipient_blockchain_address
-                )
-        else:
-            session.close()
-            raise ValueError(f'Unexpected transaction param: {param}.')
+            get_balances(
+                address=sender_blockchain_address,
+                callback_param=sender_metadata,
+                chain_str=chain_str,
+                callback_task='cic_ussd.tasks.callback_handler.process_transaction_balances_callback',
+                token_symbol=source_token_symbol,
+                asynchronous=True)
+    else:
+        raise ValueError(f'Unexpected status code: {status_code}.')
+
+
+@celery_app.task(bind=True)
+def process_transaction_balances_callback(self, result: list, param: dict, status_code: int):
+    queue = self.request.delivery_info.get('routing_key')
+    if status_code == 0:
+        # retrieve balance data
+        balances_data = result[0]
+        operational_balance = compute_operational_balance(balances=balances_data)
+
+        # retrieve account's address
+        blockchain_address = param.get('blockchain_address')
+
+        # append balance to transaction metadata
+        transaction_metadata = param
+        transaction_metadata['operational_balance'] = operational_balance
+
+        # retrieve account's preferences
+        s_preferences_metadata = celery.signature(
+            'cic_ussd.tasks.metadata.query_preferences_metadata',
+            [blockchain_address],
+            queue=queue
+        )
+
+        # parse metadata and run validations
+        s_process_account_metadata = celery.signature(
+            'cic_ussd.tasks.processor.process_tx_metadata_for_notification',
+            [transaction_metadata],
+            queue=queue
+        )
+
+        # issue notification of transaction
+        s_notify_account = celery.signature(
+            'cic_ussd.tasks.notifications.notify_account_of_transaction',
+            queue=queue
+        )
+
+        if param.get('tx_param') == 'transfer':
+            celery.chain(s_preferences_metadata, s_process_account_metadata, s_notify_account).apply_async()
+
+        if param.get('tx_param') == 'tokengift':
+            s_process_account_metadata = celery.signature(
+                'cic_ussd.tasks.processor.process_tx_metadata_for_notification',
+                [{}, transaction_metadata],
+                queue=queue
+            )
+            celery.chain(s_process_account_metadata, s_notify_account).apply_async()
     else:
-        session.close()
         raise ValueError(f'Unexpected status code: {status_code}.')
 
-    session.close()
 
 @celery_app.task
 def process_balances_callback(result: list, param: str, status_code: int):
@@ -151,6 +198,7 @@ def process_balances_callback(result: list, param: str, status_code: int):
             salt=':cic.balances_data'
         )
         cache_data(key=key, data=json.dumps(balances_data))
+        logg.debug(f'caching: {balances_data} with key: {key}')
     else:
         raise ValueError(f'Unexpected status code: {status_code}.')
 

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

@@ -26,6 +26,7 @@ def query_person_metadata(blockchain_address: str):
     :rtype:
     """
     identifier = blockchain_address_to_metadata_pointer(blockchain_address=blockchain_address)
+    logg.debug(f'Retrieving person metadata for address: {blockchain_address}.')
     person_metadata_client = PersonMetadata(identifier=identifier)
     person_metadata_client.query()
 
@@ -72,3 +73,15 @@ def add_preferences_metadata(blockchain_address: str, data: dict):
     identifier = blockchain_address_to_metadata_pointer(blockchain_address=blockchain_address)
     custom_metadata_client = PreferencesMetadata(identifier=identifier)
     custom_metadata_client.create(data=data)
+
+
+@celery_app.task()
+def query_preferences_metadata(blockchain_address: str):
+    """This method retrieves preferences metadata based on an account's blockchain address.
+    :param blockchain_address: Blockchain address of an account.
+    :type blockchain_address: str | Ox-hex
+    """
+    identifier = blockchain_address_to_metadata_pointer(blockchain_address=blockchain_address)
+    logg.debug(f'Retrieving preferences metadata for address: {blockchain_address}.')
+    person_metadata_client = PreferencesMetadata(identifier=identifier)
+    return person_metadata_client.query()

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

@@ -0,0 +1,70 @@
+# standard imports
+import datetime
+import logging
+
+# third-party imports
+import celery
+
+# local imports
+from cic_ussd.notifications import Notifier
+from cic_ussd.phone_number import Support
+
+celery_app = celery.current_app
+logg = logging.getLogger(__file__)
+notifier = Notifier()
+
+
+@celery_app.task
+def notify_account_of_transaction(notification_data: dict):
+    """
+    :param notification_data:
+    :type notification_data:
+    :return:
+    :rtype:
+    """
+
+    account_tx_role = notification_data.get('account_tx_role')
+    amount = notification_data.get('amount')
+    balance = notification_data.get('balance')
+    phone_number = notification_data.get('phone_number')
+    preferred_language = notification_data.get('preferred_language')
+    token_symbol = notification_data.get('token_symbol')
+    transaction_account_metadata = notification_data.get('transaction_account_metadata')
+    transaction_type = notification_data.get('transaction_type')
+
+    timestamp = datetime.datetime.now().strftime('%d-%m-%y, %H:%M %p')
+
+    if transaction_type == 'tokengift':
+        support_phone = Support.phone_number
+        notifier.send_sms_notification(
+            key='sms.account_successfully_created',
+            phone_number=phone_number,
+            preferred_language=preferred_language,
+            balance=balance,
+            support_phone=support_phone,
+            token_symbol=token_symbol
+        )
+
+    if transaction_type == 'transfer':
+        if account_tx_role == 'recipient':
+            notifier.send_sms_notification(
+                key='sms.received_tokens',
+                phone_number=phone_number,
+                preferred_language=preferred_language,
+                amount=amount,
+                token_symbol=token_symbol,
+                tx_sender_information=transaction_account_metadata,
+                timestamp=timestamp,
+                balance=balance
+            )
+        else:
+            notifier.send_sms_notification(
+                key='sms.sent_tokens',
+                phone_number=phone_number,
+                preferred_language=preferred_language,
+                amount=amount,
+                token_symbol=token_symbol,
+                tx_recipient_information=transaction_account_metadata,
+                timestamp=timestamp,
+                balance=balance
+            )

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

@@ -0,0 +1,88 @@
+# standard imports
+import logging
+
+# third-party imports
+import celery
+from i18n import config
+
+# local imports
+from cic_ussd.account import define_account_tx_metadata
+from cic_ussd.db.models.account import Account
+from cic_ussd.db.models.base import SessionBase
+from cic_ussd.error import UnknownUssdRecipient
+from cic_ussd.transactions import from_wei
+
+
+celery_app = celery.current_app
+logg = logging.getLogger(__file__)
+
+
+@celery_app.task
+def process_tx_metadata_for_notification(result: celery.Task, transaction_metadata: dict):
+    """
+    :param result:
+    :type result:
+    :param transaction_metadata:
+    :type transaction_metadata:
+    :return:
+    :rtype:
+    """
+    notification_data = {}
+
+    # get preferred language
+    preferred_language = result.get('preferred_language')
+    if not preferred_language:
+        preferred_language = config.get('fallback')
+    notification_data['preferred_language'] = preferred_language
+
+    # validate account information against present ussd storage data.
+    session = SessionBase.create_session()
+    blockchain_address = transaction_metadata.get('blockchain_address')
+    tag = transaction_metadata.get('tag')
+    account = session.query(Account).filter_by(blockchain_address=blockchain_address).first()
+    if not account and tag == 'recipient':
+        session.close()
+        raise UnknownUssdRecipient(
+            f'Tx for recipient: {blockchain_address} was received but has no matching user in the system.'
+        )
+
+    # get phone number associated with account
+    phone_number = account.phone_number
+    notification_data['phone_number'] = phone_number
+
+    # get account's role in transaction i.e sender / recipient
+    tx_param = transaction_metadata.get('tx_param')
+    notification_data['transaction_type'] = tx_param
+
+    # get token amount and symbol
+    if tag == 'recipient':
+        account_tx_role = tag
+        amount = transaction_metadata.get('token_value')
+        amount = from_wei(value=amount)
+        token_symbol = transaction_metadata.get('token_symbol')
+    else:
+        account_tx_role = tag
+        amount = transaction_metadata.get('token_value')
+        amount = from_wei(value=amount)
+        token_symbol = transaction_metadata.get('token_symbol')
+    notification_data['account_tx_role'] = account_tx_role
+    notification_data['amount'] = amount
+    notification_data['token_symbol'] = token_symbol
+
+    # get account's standard ussd identification pattern
+    if tx_param == 'transfer':
+        tx_account_metadata = define_account_tx_metadata(user=account)
+        notification_data['transaction_account_metadata'] = tx_account_metadata
+
+        if tag == 'recipient':
+            notification_data['notification_key'] = 'sms.received_tokens'
+        else:
+            notification_data['notification_key'] = 'sms.sent_tokens'
+
+    if tx_param == 'tokengift':
+        notification_data['notification_key'] = 'sms.account_successfully_created'
+
+    # get account's balance
+    notification_data['balance'] = transaction_metadata.get('operational_balance')
+
+    return notification_data

apps/cic-ussd/cic_ussd/transactions.py

@@ -7,9 +7,9 @@ from datetime import datetime
 from cic_eth.api import Api
 
 # local imports
-from cic_ussd.balance import get_cached_operational_balance
+from cic_ussd.balance import get_balances, get_cached_operational_balance
 from cic_ussd.notifications import Notifier
-
+from cic_ussd.phone_number import Support
 
 logg = logging.getLogger()
 notifier = Notifier()
@@ -50,61 +50,6 @@ def to_wei(value: int) -> int:
     return int(value * 1e+6)
 
 
-class IncomingTransactionProcessor:
-
-    def __init__(self, phone_number: str, preferred_language: str, token_symbol: str, value: int):
-        """
-        :param phone_number: The recipient's phone number.
-        :type phone_number: str
-        :param preferred_language: The user's preferred language.
-        :type preferred_language: str
-        :param token_symbol: The symbol for the token the recipient receives.
-        :type token_symbol: str
-        :param value: The amount of tokens received in the transactions.
-        :type value: int
-        """
-        self.phone_number = phone_number
-        self.preferred_language = preferred_language
-        self.token_symbol = token_symbol
-        self.value = value
-
-    def process_token_gift_incoming_transactions(self):
-        """This function processes incoming transactions with a "tokengift" param, it collects all appropriate data to
-        send out notifications to users when their accounts are successfully created.
-
-        """
-        balance = from_wei(value=self.value)
-        key = 'sms.account_successfully_created'
-        notifier.send_sms_notification(key=key,
-                                       phone_number=self.phone_number,
-                                       preferred_language=self.preferred_language,
-                                       balance=balance,
-                                       token_symbol=self.token_symbol)
-
-    def process_transfer_incoming_transaction(self, sender_information: str, recipient_blockchain_address: str):
-        """This function processes incoming transactions with the "transfer" param and issues notifications to users
-        about reception of funds into their accounts.
-        :param sender_information: A string with a user's full name and phone number.
-        :type sender_information: str
-        :param recipient_blockchain_address:
-        type recipient_blockchain_address: str
-        """
-        key = 'sms.received_tokens'
-        amount = from_wei(value=self.value)
-        timestamp = datetime.now().strftime('%d-%m-%y, %H:%M %p')
-
-        operational_balance = get_cached_operational_balance(blockchain_address=recipient_blockchain_address)
-
-        notifier.send_sms_notification(key=key,
-                                       phone_number=self.phone_number,
-                                       preferred_language=self.preferred_language,
-                                       amount=amount,
-                                       token_symbol=self.token_symbol,
-                                       tx_sender_information=sender_information,
-                                       timestamp=timestamp,
-                                       balance=operational_balance)
-
-
 class OutgoingTransactionProcessor:
 
     def __init__(self, chain_str: str, from_address: str, to_address: str):
@@ -116,6 +61,7 @@ class OutgoingTransactionProcessor:
         :param to_address: Ethereum address of the recipient
         :type to_address: str, 0x-hex
         """
+        self.chain_str = chain_str
         self.cic_eth_api = Api(chain_str=chain_str)
         self.from_address = from_address
         self.to_address = to_address

apps/cic-ussd/var/lib/locale/sms.en.yml

@@ -3,5 +3,7 @@ en:
     You have been registered on Sarafu Network! To use dial *384*96# on Safaricom and *483*96# on other networks. For help %{support_phone}.
   received_tokens: |-
     Successfully received %{amount} %{token_symbol} from %{tx_sender_information} %{timestamp}. New balance is %{balance} %{token_symbol}.
+  sent_tokens: |-
+    Successfully sent %{amount} %{token_symbol} to %{tx_recipient_information} %{timestamp}. New balance is %{balance} %{token_symbol}.
   terms: |-
     By using the service, you agree to the terms and conditions at http://grassecon.org/tos

apps/cic-ussd/var/lib/locale/sms.sw.yml

@@ -2,6 +2,8 @@ sw:
   account_successfully_created: |-
     Umesajiliwa kwa huduma ya Sarafu! Kutumia bonyeza *384*96# Safaricom ama *483*46# kwa utandao tofauti. Kwa Usaidizi %{support_phone}.
   received_tokens: |-
-    Umepokea %{amount} %{token_symbol} kutoka kwa %{tx_sender_information} %{timestamp}. Salio la %{token_symbol} ni %{balance}.
+    Umepokea %{amount} %{token_symbol} kutoka kwa %{tx_sender_information} %{timestamp}. Salio lako ni %{balance} %{token_symbol}.
+  sent_tokens: |-
+    Umetuma %{amount} %{token_symbol} kwa %{tx_recipient_information} %{timestamp}. Salio lako ni %{balance} %{token_symbol}.
   terms: |-
     Kwa kutumia hii huduma, umekubali sheria na masharti yafuatayo http://grassecon.org/tos