personal-data/personal_data/fetchers/defi_kucoin.py

import dataclasses
import datetime
import logging
from collections.abc import Iterator, Mapping

import kucoin.client
from frozendict import frozendict

from personal_data.data import DeduplicateMode, Scraper

from .. import secrets

logger = logging.getLogger(__name__)

def get_client():
    assert secrets.KUCOIN_KEY, 'Missing secret: KUCOIN_KEY'
    assert secrets.KUCOIN_SECRET, 'Missing secret: KUCOIN_SECRET'
    assert secrets.KUCOIN_PASS, 'Missing secret: KUCOIN_PASS'
    return kucoin.client.Client(
        secrets.KUCOIN_KEY,
        secrets.KUCOIN_SECRET,
        secrets.KUCOIN_PASS,
    )


def addresses_to_data_points(addresses: list[dict[str, str]]) -> frozendict:
    data_point = {}
    data_point['account.update_time'] = datetime.datetime.now(tz=datetime.UTC)
    data_point['account.num_deposit_addresses'] = len(addresses)

    if len(addresses) > 0:
        for k, v in addresses[-1].items():
            data_point[f'deposit.{k}'] = v

    return frozendict(data_point)


@dataclasses.dataclass(frozen=True)
class KucoinDepositAddresses(Scraper):
    dataset_name = 'defi_kucoin_deposit_address'
    deduplicate_mode = DeduplicateMode.ONLY_LATEST
    deduplicate_ignore_columns = ['account.update_time']

    def scrape(self) -> Iterator[Mapping[str, object]]:
        addresses = get_client().get_deposit_address('MPC')
        yield addresses_to_data_points(addresses)