Moved PbcClient into own package
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@ -1,17 +1,10 @@
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"""See `PartisiaBlockchainAccountDepoFetcher` for documentation."""
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import dataclasses
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import datetime
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import email.utils
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import json
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import logging
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from collections.abc import Mapping
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from decimal import Decimal
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from typing import Any
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import fin_defs
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import pbc_client
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import requests
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from frozendict import frozendict
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from .data import (
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DepoFetcher,
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@ -25,121 +18,6 @@ from .data import (
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logger = logging.getLogger(__name__)
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# mainnet: https://reader.partisiablockchain.com
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# testnet: https://node1.testnet.partisiablockchain.com
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HOSTNAME = 'reader.partisiablockchain.com'
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URL_ACCOUNT_PLUGIN = 'https://{hostname}/{shard}blockchain/accountPlugin/local'
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URL_ACCOUNT_PLUGIN_GLOBAL = 'https://{hostname}/{shard}blockchain/accountPlugin/global'
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URL_CONTRACT_STATE = 'https://{hostname}/{shard}blockchain/contracts/{address}?requireContractState=false'
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MPC_DECIMALS = 10000
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def shard_id_for_address(address: str) -> str:
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# Very rough implementation
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if address is None:
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msg = 'Address must not be None'
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raise TypeError(msg)
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if address.endswith('a'):
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return 'shards/Shard0/'
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if address.endswith('2'):
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return 'shards/Shard1/'
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return 'shards/Shard2/'
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@dataclasses.dataclass(frozen=True)
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class Balances:
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update_time: datetime.datetime
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mpc: Decimal
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byoc: Mapping[str, Decimal]
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@dataclasses.dataclass(frozen=True)
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class PbcClient:
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session: requests.Session
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def get_json(
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self,
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url: str,
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data: Mapping[str, Any] = frozendict(),
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method='POST',
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) -> tuple[Any, datetime.datetime]:
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headers = {
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'Content-Type': 'application/json',
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'Accept': 'application/json',
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}
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response = self.session.request(
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method,
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url,
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headers=headers,
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data=json.dumps(data),
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)
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response.raise_for_status()
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date_text = response.headers.get('last-modified') or response.headers.get(
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'date',
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)
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date = email.utils.parsedate_to_datetime(date_text)
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json_data = response.json()
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if json_data is None:
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msg = 'No result data for ' + url
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raise Exception(msg)
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return (json_data, date)
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def determine_coins(self) -> list[dict[str, Any]]:
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data: dict = {'path': []}
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url: str = URL_ACCOUNT_PLUGIN_GLOBAL.format(
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hostname=HOSTNAME,
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shard='',
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)
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json_data, date = self.get_json(url, data=data)
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return json_data['coins']['coins']
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def get_account_balances(self, address: str) -> Balances:
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coins = self.determine_coins()
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url = URL_ACCOUNT_PLUGIN.format(
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hostname=HOSTNAME,
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shard=shard_id_for_address(address),
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)
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data: dict = {
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'path': [
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{'type': 'field', 'name': 'accounts'},
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{'type': 'avl', 'keyType': 'BLOCKCHAIN_ADDRESS', 'key': address},
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],
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}
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account_data, date = self.get_json(url, data=data)
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byoc: dict[str, Decimal] = {}
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mpc = Decimal(account_data['mpcTokens']) / MPC_DECIMALS
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for coin_idx, amount_data in enumerate(account_data['accountCoins']):
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coin_data = coins[coin_idx]
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byoc_balance = Decimal(amount_data['balance'])
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denominator = Decimal(coin_data['conversionRate']['denominator'])
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native_balance = byoc_balance / denominator
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byoc[coin_data['symbol']] = native_balance
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del coin_idx, coin_data
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return Balances(date, mpc, byoc)
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def get_contract_state(self, address: str) -> tuple[dict, datetime.datetime]:
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url = URL_CONTRACT_STATE.format(
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hostname=HOSTNAME,
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shard=shard_id_for_address(address),
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address=address,
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)
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data: dict = {'path': []}
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return self.get_json(url, data=data)
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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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@ -164,7 +42,7 @@ class PartisiaBlockchainAccountDepoFetcher(DepoFetcher):
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self.assert_param('session', requests.Session, session)
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self.assert_param('blockchain_address', str, blockchain_address)
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self.client = PbcClient(session)
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self.client = pbc_client.PbcClient(session)
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self.blockchain_address = blockchain_address
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def get_depo(self) -> DepoGroup:
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@ -188,10 +66,12 @@ class PartisiaBlockchainAccountDepoFetcher(DepoFetcher):
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)
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def _get_withdrawals(self) -> list[WithdrawalDetails]:
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raise UnsupportedOperationException("TODO")
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msg = 'TODO'
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raise UnsupportedOperationException(msg)
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def _get_deposits(self) -> list[DepositDetails]:
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raise UnsupportedOperationException("TODO")
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msg = 'TODO'
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raise UnsupportedOperationException(msg)
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def _get_double_registers(self) -> list[DoubleRegister]:
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double_registers: list[DoubleRegister] = []
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@ -3,4 +3,5 @@ python-kucoin
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krakenex
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frozendict
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fin-defs @ git+https://gitfub.space/Jmaa/fin-defs.git
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pbc-client @ git+https://gitfub.space/Jmaa/pbc-client.git
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dataclassabc
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