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Philip/ussd demurrage

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This commit is contained in:
Philip Wafula 2021-09-17 11:15:43 +00:00
parent 3c4acd82ff
commit 6019143ba1
16 changed files with 184 additions and 52 deletions
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31
apps/cic-ussd/cic_ussd/account/balance.py
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@ -1,10 +1,12 @@
# standard imports
import json
import logging
from typing import Optional
# third-party imports
from cic_eth.api import Api
from cic_eth_aux.erc20_demurrage_token.api import Api as DemurrageApi
# local imports
from cic_ussd.account.transaction import from_wei
@ -73,6 +75,24 @@ def calculate_available_balance(balances: dict) -> float:
return from_wei(value=available_balance)
def get_adjusted_balance(balance: int, chain_str: str, timestamp: int, token_symbol: str):
"""
:param balance:
:type balance:
:param chain_str:
:type chain_str:
:param timestamp:
:type timestamp:
:param token_symbol:
:type token_symbol:
:return:
:rtype:
"""
logg.debug(f'retrieving adjusted balance on chain: {chain_str}')
demurrage_api = DemurrageApi(chain_str=chain_str)
return demurrage_api.get_adjusted_balance(token_symbol, balance, timestamp).result
def get_cached_available_balance(blockchain_address: str) -> float:
"""This function attempts to retrieve balance data from the redis cache.
:param blockchain_address: Ethereum address of an account.
@ -88,3 +108,14 @@ def get_cached_available_balance(blockchain_address: str) -> float:
return calculate_available_balance(json.loads(cached_balances))
else:
raise CachedDataNotFoundError(f'No cached available balance for address: {blockchain_address}')
def get_cached_adjusted_balance(identifier: bytes):
"""
:param identifier:
:type identifier:
:return:
:rtype:
"""
key = cache_data_key(identifier, ':cic.adjusted_balance')
return get_cached_data(key)

54
apps/cic-ussd/cic_ussd/processor/menu.py
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@ -1,13 +1,17 @@
# standard imports
import json
import logging
from datetime import datetime, timedelta
# external imports
import i18n.config
from sqlalchemy.orm.session import Session
# local imports
from cic_ussd.account.balance import calculate_available_balance, get_balances, get_cached_available_balance
from cic_ussd.account.balance import (calculate_available_balance,
get_adjusted_balance,
get_balances,
get_cached_adjusted_balance,
get_cached_available_balance)
from cic_ussd.account.chain import Chain
from cic_ussd.account.metadata import get_cached_preferred_language
from cic_ussd.account.statement import (
@ -16,14 +20,15 @@ from cic_ussd.account.statement import (
query_statement,
statement_transaction_set
)
from cic_ussd.account.transaction import from_wei, to_wei
from cic_ussd.account.tokens import get_default_token_symbol
from cic_ussd.account.transaction import from_wei, to_wei
from cic_ussd.cache import cache_data_key, cache_data
from cic_ussd.db.models.account import Account
from cic_ussd.metadata import PersonMetadata
from cic_ussd.phone_number import Support
from cic_ussd.processor.util import latest_input, parse_person_metadata
from cic_ussd.processor.util import parse_person_metadata
from cic_ussd.translation import translation_for
from sqlalchemy.orm.session import Session
logg = logging.getLogger(__name__)
@ -43,21 +48,26 @@ class MenuProcessor:
:rtype:
"""
available_balance = get_cached_available_balance(self.account.blockchain_address)
logg.debug('Requires call to retrieve tax and bonus amounts')
tax = ''
bonus = ''
adjusted_balance = get_cached_adjusted_balance(self.identifier)
token_symbol = get_default_token_symbol()
preferred_language = get_cached_preferred_language(self.account.blockchain_address)
if not preferred_language:
preferred_language = i18n.config.get('fallback')
return translation_for(
key=self.display_key,
preferred_language=preferred_language,
available_balance=available_balance,
tax=tax,
bonus=bonus,
token_symbol=token_symbol
)
with_available_balance = f'{self.display_key}.available_balance'
with_fees = f'{self.display_key}.with_fees'
if not adjusted_balance:
return translation_for(key=with_available_balance,
preferred_language=preferred_language,
available_balance=available_balance,
token_symbol=token_symbol)
adjusted_balance = json.loads(adjusted_balance)
tax_wei = to_wei(int(available_balance)) - int(adjusted_balance)
tax = from_wei(int(tax_wei))
return translation_for(key=with_fees,
preferred_language=preferred_language,
available_balance=available_balance,
tax=tax,
token_symbol=token_symbol)
def account_statement(self) -> str:
"""
@ -67,7 +77,7 @@ class MenuProcessor:
cached_statement = get_cached_statement(self.account.blockchain_address)
statement = json.loads(cached_statement)
statement_transactions = parse_statement_transactions(statement)
transaction_sets = [statement_transactions[tx:tx+3] for tx in range(0, len(statement_transactions), 3)]
transaction_sets = [statement_transactions[tx:tx + 3] for tx in range(0, len(statement_transactions), 3)]
preferred_language = get_cached_preferred_language(self.account.blockchain_address)
if not preferred_language:
preferred_language = i18n.config.get('fallback')
@ -149,12 +159,22 @@ class MenuProcessor:
:return:
:rtype:
"""
chain_str = Chain.spec.__str__()
token_symbol = get_default_token_symbol()
blockchain_address = self.account.blockchain_address
balances = get_balances(blockchain_address, Chain.spec.__str__(), token_symbol, False)[0]
balances = get_balances(blockchain_address, chain_str, token_symbol, False)[0]
key = cache_data_key(self.identifier, ':cic.balances')
cache_data(key, json.dumps(balances))
available_balance = calculate_available_balance(balances)
now = datetime.now()
if (now - self.account.created).days >= 30:
if available_balance <= 0:
logg.info(f'Not retrieving adjusted balance, available balance: {available_balance} is insufficient.')
else:
timestamp = int((now - timedelta(30)).timestamp())
adjusted_balance = get_adjusted_balance(to_wei(int(available_balance)), chain_str, timestamp, token_symbol)
key = cache_data_key(self.identifier, ':cic.adjusted_balance')
cache_data(key, json.dumps(adjusted_balance))
query_statement(blockchain_address)

6
apps/cic-ussd/cic_ussd/runnable/client.py
View File

@ -63,7 +63,7 @@ elif ssl == 0:
else:
ssl = True
valid_service_codes = config.get('USSD_SERVICE_CODE').split(",")
def main():
# TODO: improve url building
@ -79,9 +79,9 @@ def main():
session = uuid.uuid4().hex
data = {
'sessionId': session,
'serviceCode': config.get('APP_SERVICE_CODE'),
'serviceCode': valid_service_codes[0],
'phoneNumber': args.phone,
'text': config.get('APP_SERVICE_CODE'),
'text': "",
}
state = "_BEGIN"

7
apps/cic-ussd/docker/Dockerfile
View File

@ -10,6 +10,13 @@ RUN mkdir -vp data
ARG EXTRA_INDEX_URL="https://pip.grassrootseconomics.net:8433"
ARG GITLAB_PYTHON_REGISTRY="https://gitlab.com/api/v4/projects/27624814/packages/pypi/simple"
RUN --mount=type=cache,mode=0755,target=/root/.cache/pip \
pip install --index-url https://pypi.org/simple \
--extra-index-url $GITLAB_PYTHON_REGISTRY \
--extra-index-url $EXTRA_INDEX_URL \
cic-eth-aux-erc20-demurrage-token~=0.0.2a6
COPY requirements.txt .
RUN --mount=type=cache,mode=0755,target=/root/.cache/pip \

3
apps/cic-ussd/requirements.txt
View File

@ -1,6 +1,9 @@
alembic==1.4.2
attrs==21.2.0
billiard==3.6.4.0
bcrypt==3.2.0
celery==4.4.7
cffi==1.14.6
cic-eth[services]~=0.12.4a7
cic-notify~=0.4.0a10
cic-types~=0.1.0a14

11
apps/cic-ussd/tests/cic_ussd/account/test_balance.py
View File

@ -43,10 +43,13 @@ def test_sync_get_balances(activated_account,
(5000000, 89000000, 67000000, 27.00)
])
def test_calculate_available_balance(activated_account,
available_balance,
balance_incoming,
balance_network,
balance_outgoing,
available_balance):
cache_balances,
cache_default_token_data,
load_chain_spec):
balances = {
'address': activated_account.blockchain_address,
'converters': [],
@ -57,7 +60,11 @@ def test_calculate_available_balance(activated_account,
assert calculate_available_balance(balances) == available_balance
def test_get_cached_available_balance(activated_account, cache_balances, balances):
def test_get_cached_available_balance(activated_account,
balances,
cache_balances,
cache_default_token_data,
load_chain_spec):
cached_available_balance = get_cached_available_balance(activated_account.blockchain_address)
available_balance = calculate_available_balance(balances[0])
assert cached_available_balance == available_balance

6
apps/cic-ussd/tests/cic_ussd/account/test_statement.py
View File

@ -27,6 +27,8 @@ def test_filter_statement_transactions(transactions_list):
def test_generate(activated_account,
cache_default_token_data,
cache_statement,
cache_preferences,
celery_session_worker,
init_cache,
@ -60,7 +62,7 @@ def test_get_cached_statement(activated_account, cache_statement, statement):
assert cached_statement[0].get('blockchain_address') == statement[0].get('blockchain_address')
def test_parse_statement_transactions(statement):
def test_parse_statement_transactions(cache_default_token_data, statement):
parsed_transactions = parse_statement_transactions(statement)
parsed_transaction = parsed_transactions[0]
parsed_transaction.startswith('Sent')
@ -76,7 +78,7 @@ def test_query_statement(blockchain_address, limit, load_chain_spec, activated_a
assert mock_transaction_list_query.get('limit') == limit
def test_statement_transaction_set(preferences, set_locale_files, statement):
def test_statement_transaction_set(cache_default_token_data, load_chain_spec, preferences, set_locale_files, statement):
parsed_transactions = parse_statement_transactions(statement)
preferred_language = preferences.get('preferred_language')
transaction_set = statement_transaction_set(preferred_language, parsed_transactions)

9
apps/cic-ussd/tests/cic_ussd/account/test_transaction.py
View File

@ -36,19 +36,19 @@ def test_aux_transaction_data(preferences, set_locale_files, transactions_list):
check_aux_data('helpers.sent', 'helpers.to', preferred_language, sender_tx_aux_data)
@pytest.mark.parametrize("wei, expected_result", [
@pytest.mark.parametrize("value, expected_result", [
(50000000, Decimal('50.00')),
(100000, Decimal('0.10'))
])
def test_from_wei(wei, expected_result):
assert from_wei(wei) == expected_result
def test_from_wei(cache_default_token_data, expected_result, value):
assert from_wei(value) == expected_result
@pytest.mark.parametrize("value, expected_result", [
(50, 50000000),
(0.10, 100000)
])
def test_to_wei(value, expected_result):
def test_to_wei(cache_default_token_data, expected_result, value):
assert to_wei(value) == expected_result
@ -96,6 +96,7 @@ def test_validate_transaction_account(activated_account, init_database, transact
@pytest.mark.parametrize("amount", [50, 0.10])
def test_outgoing_transaction_processor(activated_account,
amount,
cache_default_token_data,
celery_session_worker,
load_config,
load_chain_spec,

35
apps/cic-ussd/tests/cic_ussd/processor/test_menu.py
View File

@ -1,5 +1,6 @@
# standard imports
import json
import datetime
# external imports
from chainlib.hash import strip_0x
@ -14,6 +15,7 @@ from cic_ussd.account.statement import (
)
from cic_ussd.account.tokens import get_default_token_symbol
from cic_ussd.account.transaction import from_wei, to_wei
from cic_ussd.cache import cache_data, cache_data_key
from cic_ussd.menu.ussd_menu import UssdMenu
from cic_ussd.metadata import PersonMetadata
from cic_ussd.phone_number import Support
@ -38,24 +40,34 @@ def test_menu_processor(activated_account,
load_chain_spec,
load_support_phone,
load_ussd_menu,
mock_get_adjusted_balance,
mock_sync_balance_api_query,
mock_transaction_list_query,
valid_recipient):
preferred_language = get_cached_preferred_language(activated_account.blockchain_address)
available_balance = get_cached_available_balance(activated_account.blockchain_address)
token_symbol = get_default_token_symbol()
tax = ''
bonus = ''
display_key = 'ussd.kenya.account_balances'
with_available_balance = 'ussd.kenya.account_balances.available_balance'
with_fees = 'ussd.kenya.account_balances.with_fees'
ussd_menu = UssdMenu.find_by_name('account_balances')
name = ussd_menu.get('name')
resp = response(activated_account, display_key, name, init_database, generic_ussd_session)
assert resp == translation_for(display_key,
resp = response(activated_account, 'ussd.kenya.account_balances', name, init_database, generic_ussd_session)
assert resp == translation_for(with_available_balance,
preferred_language,
available_balance=available_balance,
token_symbol=token_symbol)
identifier = bytes.fromhex(strip_0x(activated_account.blockchain_address))
key = cache_data_key(identifier, ':cic.adjusted_balance')
adjusted_balance = 45931650.64654012
cache_data(key, json.dumps(adjusted_balance))
resp = response(activated_account, 'ussd.kenya.account_balances', name, init_database, generic_ussd_session)
tax_wei = to_wei(int(available_balance)) - int(adjusted_balance)
tax = from_wei(int(tax_wei))
assert resp == translation_for(key=with_fees,
preferred_language=preferred_language,
available_balance=available_balance,
tax=tax,
bonus=bonus,
token_symbol=token_symbol)
cached_statement = get_cached_statement(activated_account.blockchain_address)
@ -123,6 +135,15 @@ def test_menu_processor(activated_account,
account_balance=available_balance,
account_token_name=token_symbol)
display_key = 'ussd.kenya.start'
ussd_menu = UssdMenu.find_by_name('start')
name = ussd_menu.get('name')
older_timestamp = (activated_account.created - datetime.timedelta(days=35))
activated_account.created = older_timestamp
init_database.flush()
response(activated_account, display_key, name, init_database, generic_ussd_session)
assert mock_get_adjusted_balance['timestamp'] == int((datetime.datetime.now() - datetime.timedelta(days=30)).timestamp())
display_key = 'ussd.kenya.transaction_pin_authorization'
ussd_menu = UssdMenu.find_by_name('transaction_pin_authorization')
name = ussd_menu.get('name')

1
apps/cic-ussd/tests/cic_ussd/state_machine/logic/test_transaction_logic.py
View File

@ -49,6 +49,7 @@ def test_is_valid_transaction_amount(activated_account, amount, expected_result,
])
def test_has_sufficient_balance(activated_account,
cache_balances,
cache_default_token_data,
expected_result,
generic_ussd_session,
init_database,

1
apps/cic-ussd/tests/cic_ussd/tasks/test_callback_handler.py
View File

@ -121,6 +121,7 @@ def test_statement_callback(activated_account, mocker, transactions_list):
def test_transaction_balances_callback(activated_account,
balances,
cache_balances,
cache_default_token_data,
cache_person_metadata,
cache_preferences,
load_chain_spec,

3
apps/cic-ussd/tests/cic_ussd/tasks/test_notifications_tasks.py
View File

@ -13,7 +13,8 @@ from cic_ussd.translation import translation_for
# tests imports
def test_transaction(celery_session_worker,
def test_transaction(cache_default_token_data,
celery_session_worker,
load_support_phone,
mock_notifier_api,
notification_data,

9
apps/cic-ussd/tests/cic_ussd/tasks/test_processor_tasks.py
View File

@ -30,10 +30,11 @@ def test_generate_statement(activated_account,
def test_cache_statement(activated_account,
cache_default_token_data,
cache_person_metadata,
cache_preferences,
celery_session_worker,
init_database,
preferences,
transaction_result):
recipient_transaction, sender_transaction = transaction_actors(transaction_result)
identifier = bytes.fromhex(strip_0x(activated_account.blockchain_address))
@ -41,7 +42,7 @@ def test_cache_statement(activated_account,
cached_statement = get_cached_data(key)
assert cached_statement is None
s_parse_transaction = celery.signature(
'cic_ussd.tasks.processor.parse_transaction', [preferences, sender_transaction])
'cic_ussd.tasks.processor.parse_transaction', [sender_transaction])
result = s_parse_transaction.apply_async().get()
s_cache_statement = celery.signature(
'cic_ussd.tasks.processor.cache_statement', [result, activated_account.blockchain_address]
@ -61,15 +62,15 @@ def test_cache_statement(activated_account,
def test_parse_transaction(activated_account,
cache_person_metadata,
cache_preferences,
celery_session_worker,
init_database,
preferences,
transaction_result):
recipient_transaction, sender_transaction = transaction_actors(transaction_result)
assert sender_transaction.get('metadata_id') is None
assert sender_transaction.get('phone_number') is None
s_parse_transaction = celery.signature(
'cic_ussd.tasks.processor.parse_transaction', [preferences, sender_transaction])
'cic_ussd.tasks.processor.parse_transaction', [sender_transaction])
result = s_parse_transaction.apply_async().get()
assert result.get('metadata_id') == activated_account.standard_metadata_id()
assert result.get('phone_number') == activated_account.phone_number

16
apps/cic-ussd/tests/fixtures/patches/account.py vendored
View File

@ -41,6 +41,22 @@ def mock_async_balance_api_query(mocker):
return query_args
@pytest.fixture(scope='function')
def mock_get_adjusted_balance(mocker, task_uuid):
query_args = {}
def get_adjusted_balance(self, token_symbol, balance, timestamp):
sync_res = mocker.patch('celery.result.AsyncResult')
sync_res.id = task_uuid
sync_res.result = 45931650.64654012
query_args['balance'] = balance
query_args['timestamp'] = timestamp
query_args['token_symbol'] = token_symbol
return sync_res
mocker.patch('cic_eth_aux.erc20_demurrage_token.api.Api.get_adjusted_balance', get_adjusted_balance)
return query_args
@pytest.fixture(scope='function')
def mock_notifier_api(mocker):
sms = {}

22
apps/cic-ussd/var/lib/locale/ussd.en.yml
View File

@ -141,12 +141,22 @@ en:
0. Back
retry: |-
%{retry_pin_entry}
account_balances: |-
CON Your balances are as follows:
balance: %{available_balance} %{token_symbol}
fees: %{tax} %{token_symbol}
rewards: %{bonus} %{token_symbol}
0. Back
account_balances:
available_balance: |-
CON Your balances are as follows:
balance: %{available_balance} %{token_symbol}
0. Back
with_fees: |-
CON Your balances are as follows:
balances: %{available_balance} %{token_symbol}
fees: %{tax} %{token_symbol}
0. Back
with_rewards: |-
CON Your balances are as follows:
balance: %{available_balance} %{token_symbol}
fees: %{tax} %{token_symbol}
rewards: %{bonus} %{token_symbol}
0. Back
first_transaction_set: |-
CON %{first_transaction_set}
1. Next

22
apps/cic-ussd/var/lib/locale/ussd.sw.yml
View File

@ -140,12 +140,22 @@ sw:
0. Nyuma
retry: |-
%{retry_pin_entry}
account_balances: |-
CON Salio zako ni zifuatazo:
salio: %{available_balance} %{token_symbol}
ushuru: %{tax} %{token_symbol}
tuzo: %{bonus} %{token_symbol}
0. Nyuma
account_balances:
available_balance: |-
CON Salio zako ni zifuatazo:
salio: %{available_balance} %{token_symbol}
0. Nyuma
with_fees: |-
CON Salio zako ni zifuatazo:
salio: %{available_balance} %{token_symbol}
ushuru: %{tax} %{token_symbol}
0. Nyuma
with_rewards: |-
CON Salio zako ni zifuatazo:
salio: %{available_balance} %{token_symbol}
ushuru: %{tax} %{token_symbol}
tuzo: %{bonus} %{token_symbol}
0. Nyuma
first_transaction_set: |-
CON %{first_transaction_set}
1. Mbele