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