Working on Nordnet
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@ -129,12 +129,13 @@ class PbcClient:
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BYOC_ASSETS = {
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'ETH': fin_defs.WELL_KNOWN_SYMBOLS['ETH'],
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'POLYGON_USDC': fin_defs.WELL_KNOWN_SYMBOLS['USDC'],
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'BNB': fin_defs.WELL_KNOWN_SYMBOLS['BNB'],
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'MATIC': fin_defs.WELL_KNOWN_SYMBOLS['MATIC'],
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'ETH': fin_defs.WELL_KNOWN_SYMBOLS['ETH'],
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'POLYGON_USDC': fin_defs.WELL_KNOWN_SYMBOLS['USDC'],
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'BNB': fin_defs.WELL_KNOWN_SYMBOLS['BNB'],
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'MATIC': fin_defs.WELL_KNOWN_SYMBOLS['MATIC'],
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}
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class PartisiaBlockchainAccountDepoFetcher:
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def __init__(self, session, blockchain_address: str):
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assert session is not None, 'missing session'
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@ -146,7 +147,9 @@ class PartisiaBlockchainAccountDepoFetcher:
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def get_depo(self) -> DepoGroup:
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balances = self.client.get_account_balances(self.blockchain_address)
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depo_mpc = DepoSingle('Native', balances.update_time, {fin_defs.MPC: balances.mpc})
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depo_mpc = DepoSingle(
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'Native', balances.update_time, {fin_defs.MPC: balances.mpc}
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)
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depo_byoc = DepoSingle(
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'BYOC',
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balances.update_time,
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102
fin_depo/investbank_nordnet.py
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102
fin_depo/investbank_nordnet.py
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@ -0,0 +1,102 @@
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"""Nordnet Depository fetching for Nordnet, the scandinavian investment bank.
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This fetcher uses the [Nordnet
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API](https://www.nordnet.dk/externalapi/docs/api), which requires a Nordnet
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account.
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Some of the code here is based on [Morten Helmstedt's Nordnet
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utilities](https://github.com/helmstedt/nordnet-utilities/blob/main/nordnet_login.py).
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I am grateful for his pioneering work.
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"""
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import datetime
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import logging
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from decimal import Decimal
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import fin_defs
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from .data import Depo, DepoSingle
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logger = logging.getLogger(__name__)
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API_HOSTNAME = 'public.nordnet.dk'
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API_ROOT = f'https://{API_HOSTNAME}/api/2'
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API_LOGIN_STEP_1 = 'https://www.nordnet.dk/logind'
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API_LOGIN_STEP_2 = API_ROOT + '/authentication/basic/login'
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API_ACCOUNTS = API_ROOT + '/accounts'
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API_ACCOUNT_INFO = API_ROOT + '/accounts/{accid}/info'
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API_ACCOUNT_LEDGERS = API_ROOT + '/accounts/{accid}/ledgers'
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API_ACCOUNT_POSITIONS = API_ROOT + '/accounts/{accid}/positions'
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class NordnetDepoFetcher:
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def __init__(self, session, username: str, password: str):
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assert session is not None, 'missing session'
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self.session = session
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self.username = username
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self.password = password
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self.is_logged_in = False
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def get_json(self, url: str, params: dict[str, str | int] = {}) -> object:
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if not url.startswith(API_ROOT):
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msg = f'Given url must be located below API ROOT: {url}'
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raise ValueError(msg)
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headers = {
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'Accepts': 'application/json',
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}
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response = self.session.get(url, params=params, headers=headers)
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json = response.json()
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response.raise_for_status()
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return json
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def login(self):
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"""Performs authentication with the login server if not already logged
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in. Does not need to be manually called; most methods that require this
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information will do it themselves.
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This method is based on Morten Helmstedt's version:
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<https://github.com/helmstedt/nordnet-utilities/blob/main/nordnet_login.py>
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"""
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if self.is_logged_in:
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return
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self.session.get(API_LOGIN_STEP_1)
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self.session.headers['client-id'] = 'NEXT'
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self.session.headers['sub-client-id'] = 'NEXT'
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response = self.session.post(
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API_LOGIN_STEP_2,
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data={'username': self.username, 'password': self.password},
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)
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response.raise_for_status()
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self.is_logged_in = True
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def get_depo(self) -> Depo:
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self.login()
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accounts = self.get_json(API_ACCOUNTS)
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print(accounts)
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# Old
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now = datetime.datetime.now(tz=datetime.UTC)
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result = self.session.query_private('Balance')
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assets: dict[fin_defs.Asset, Decimal] = {}
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for account, balance_str in result['result'].items():
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account = account.removesuffix('.HOLD')
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asset = fin_defs.WELL_KNOWN_SYMBOLS[account]
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balance = Decimal(balance_str)
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if balance != 0:
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assets[asset] = assets.get(asset, Decimal(0)) + balance
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del account, balance_str, asset, balance
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return DepoSingle(
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name='nordnet',
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_assets=assets,
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updated_time=now,
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)
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