cic-internal-integration/apps/data-seeding/cic_ussd/import_task.py

277 lines
7.4 KiB
Python
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# standard imports
import os
import logging
import urllib.parse
import urllib.error
import urllib.request
import json
# external imports
import celery
import psycopg2
from psycopg2 import extras
from hexathon import (
strip_0x,
add_0x,
)
from chainlib.eth.address import to_checksum_address
from chainlib.eth.tx import (
unpack,
raw,
)
from cic_types.processor import generate_metadata_pointer
from cic_types.models.person import Person
#logg = logging.getLogger().getChild(__name__)
logg = logging.getLogger()
celery_app = celery.current_app
class ImportTask(celery.Task):
balances = None
import_dir = 'out'
count = 0
chain_spec = None
balance_processor = None
max_retries = None
class MetadataTask(ImportTask):
meta_host = None
meta_port = None
meta_path = ''
meta_ssl = False
autoretry_for = (
urllib.error.HTTPError,
OSError,
)
retry_jitter = True
retry_backoff = True
retry_backoff_max = 60
@classmethod
def meta_url(self):
scheme = 'http'
if self.meta_ssl:
scheme += 's'
url = urllib.parse.urlparse('{}://{}:{}/{}'.format(scheme, self.meta_host, self.meta_port, self.meta_path))
return urllib.parse.urlunparse(url)
def old_address_from_phone(base_path, phone):
pidx = generate_metadata_pointer(phone.encode('utf-8'), ':cic.phone')
phone_idx_path = os.path.join('{}/phone/{}/{}/{}'.format(
base_path,
pidx[:2],
pidx[2:4],
pidx,
)
)
f = open(phone_idx_path, 'r')
old_address = f.read()
f.close()
return old_address
@celery_app.task(bind=True, base=MetadataTask)
def resolve_phone(self, phone):
identifier = generate_metadata_pointer(phone.encode('utf-8'), ':cic.phone')
url = urllib.parse.urljoin(self.meta_url(), identifier)
logg.debug('attempt getting phone pointer at {} for phone {}'.format(url, phone))
r = urllib.request.urlopen(url)
address = json.load(r)
address = address.replace('"', '')
logg.debug('address {} for phone {}'.format(address, phone))
return address
@celery_app.task(bind=True, base=MetadataTask)
def generate_metadata(self, address, phone):
old_address = old_address_from_phone(self.import_dir, phone)
logg.debug('address {}'.format(address))
old_address_upper = strip_0x(old_address).upper()
metadata_path = '{}/old/{}/{}/{}.json'.format(
self.import_dir,
old_address_upper[:2],
old_address_upper[2:4],
old_address_upper,
)
f = open(metadata_path, 'r')
o = json.load(f)
f.close()
u = Person.deserialize(o)
if u.identities.get('evm') == None:
u.identities['evm'] = {}
sub_chain_str = '{}:{}'.format(self.chain_spec.common_name(), self.chain_spec.network_id())
u.identities['evm'][sub_chain_str] = [add_0x(address)]
new_address_clean = strip_0x(address)
filepath = os.path.join(
self.import_dir,
'new',
new_address_clean[:2].upper(),
new_address_clean[2:4].upper(),
new_address_clean.upper() + '.json',
)
os.makedirs(os.path.dirname(filepath), exist_ok=True)
o = u.serialize()
f = open(filepath, 'w')
f.write(json.dumps(o))
f.close()
meta_key = generate_metadata_pointer(bytes.fromhex(new_address_clean), ':cic.person')
meta_filepath = os.path.join(
self.import_dir,
'meta',
'{}.json'.format(new_address_clean.upper()),
)
os.symlink(os.path.realpath(filepath), meta_filepath)
logg.debug('found metadata {} for phone {}'.format(o, phone))
return address
@celery_app.task(bind=True, base=MetadataTask)
def opening_balance_tx(self, address, phone, serial):
old_address = old_address_from_phone(self.import_dir, phone)
k = to_checksum_address(strip_0x(old_address))
balance = self.balances[k]
logg.debug('found balance {} for address {} phone {}'.format(balance, old_address, phone))
decimal_balance = self.balance_processor.get_decimal_amount(int(balance))
(tx_hash_hex, o) = self.balance_processor.get_rpc_tx(address, decimal_balance, serial)
tx = unpack(bytes.fromhex(strip_0x(o)), self.chain_spec)
logg.debug('generated tx token value {} to {} tx hash {}'.format(decimal_balance, address, tx_hash_hex))
tx_path = os.path.join(
self.import_dir,
'txs',
strip_0x(tx_hash_hex),
)
f = open(tx_path, 'w')
f.write(strip_0x(o))
f.close()
tx_nonce_path = os.path.join(
self.import_dir,
'txs',
'.' + str(tx['nonce']),
)
os.symlink(os.path.realpath(tx_path), tx_nonce_path)
return tx['hash']
@celery_app.task(bind=True, base=ImportTask, autoretry_for=(FileNotFoundError,), max_retries=None, default_retry_delay=0.1)
def send_txs(self, nonce):
if nonce == self.count + self.balance_processor.nonce_offset:
logg.info('reached nonce {} (offset {} + count {}) exiting'.format(nonce, self.balance_processor.nonce_offset, self.count))
return
logg.debug('attempt to open symlink for nonce {}'.format(nonce))
tx_nonce_path = os.path.join(
self.import_dir,
'txs',
'.' + str(nonce),
)
f = open(tx_nonce_path, 'r')
tx_signed_raw_hex = f.read()
f.close()
os.unlink(tx_nonce_path)
o = raw(add_0x(tx_signed_raw_hex))
tx_hash_hex = self.balance_processor.conn.do(o)
logg.info('sent nonce {} tx hash {}'.format(nonce, tx_hash_hex)) #tx_signed_raw_hex))
nonce += 1
queue = self.request.delivery_info.get('routing_key')
s = celery.signature(
'import_task.send_txs',
[
nonce,
],
queue=queue,
)
s.apply_async()
return nonce
@celery_app.task
def set_pins(config: dict, phone_to_pins: list):
# define db connection
db_conn = psycopg2.connect(
database=config.get('database'),
host=config.get('host'),
port=config.get('port'),
user=config.get('user'),
password=config.get('password')
)
db_cursor = db_conn.cursor()
# update db
for element in phone_to_pins:
sql = 'UPDATE account SET password_hash = %s WHERE phone_number = %s'
db_cursor.execute(sql, (element[1], element[0]))
logg.debug(f'Updating: {element[0]} with: {element[1]}')
# commit changes
db_conn.commit()
# close connections
db_cursor.close()
db_conn.close()
@celery_app.task
def set_ussd_data(config: dict, ussd_data: dict):
# define db connection
db_conn = psycopg2.connect(
database=config.get('database'),
host=config.get('host'),
port=config.get('port'),
user=config.get('user'),
password=config.get('password')
)
db_cursor = db_conn.cursor()
# process ussd_data
account_status = 1
if ussd_data['is_activated'] == 1:
account_status = 2
preferred_language = ussd_data['preferred_language']
phone_number = ussd_data['phone']
sql = 'UPDATE account SET account_status = %s, preferred_language = %s WHERE phone_number = %s'
db_cursor.execute(sql, (account_status, preferred_language, phone_number))
# commit changes
db_conn.commit()
# close connections
db_cursor.close()
db_conn.close()