670 lines
22 KiB
Python
670 lines
22 KiB
Python
import logging
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import threading
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from copy import deepcopy
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from datetime import date, datetime
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from ipaddress import IPv4Address
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from pathlib import Path
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from typing import Any, Callable, Dict
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from arrow import Arrow
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from flask import Flask, jsonify, request
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from flask.json import JSONEncoder
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from flask_cors import CORS
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from flask_jwt_extended import (JWTManager, create_access_token, create_refresh_token,
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get_jwt_identity, jwt_refresh_token_required,
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verify_jwt_in_request_optional)
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from werkzeug.security import safe_str_cmp
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from werkzeug.serving import make_server
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from freqtrade.__init__ import __version__
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from freqtrade.constants import DATETIME_PRINT_FORMAT, USERPATH_STRATEGIES
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from freqtrade.exceptions import OperationalException
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from freqtrade.persistence import Trade
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from freqtrade.rpc.fiat_convert import CryptoToFiatConverter
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from freqtrade.rpc.rpc import RPC, RPCException
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logger = logging.getLogger(__name__)
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BASE_URI = "/api/v1"
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class FTJSONEncoder(JSONEncoder):
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def default(self, obj):
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try:
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if isinstance(obj, Arrow):
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return obj.for_json()
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elif isinstance(obj, datetime):
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return obj.strftime(DATETIME_PRINT_FORMAT)
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elif isinstance(obj, date):
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return obj.strftime("%Y-%m-%d")
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iterable = iter(obj)
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except TypeError:
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pass
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else:
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return list(iterable)
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return JSONEncoder.default(self, obj)
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# Type should really be Callable[[ApiServer, Any], Any], but that will create a circular dependency
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def require_login(func: Callable[[Any, Any], Any]):
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def func_wrapper(obj, *args, **kwargs):
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verify_jwt_in_request_optional()
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auth = request.authorization
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if get_jwt_identity() or auth and obj.check_auth(auth.username, auth.password):
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return func(obj, *args, **kwargs)
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else:
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return jsonify({"error": "Unauthorized"}), 401
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return func_wrapper
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# Type should really be Callable[[ApiServer], Any], but that will create a circular dependency
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def rpc_catch_errors(func: Callable[..., Any]):
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def func_wrapper(obj, *args, **kwargs):
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try:
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return func(obj, *args, **kwargs)
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except RPCException as e:
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logger.exception("API Error calling %s: %s", func.__name__, e)
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return obj.rest_error(f"Error querying {func.__name__}: {e}")
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return func_wrapper
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def shutdown_session(exception=None):
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# Remove scoped session
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Trade.session.remove()
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class ApiServer(RPC):
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"""
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This class runs api server and provides rpc.rpc functionality to it
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This class starts a non-blocking thread the api server runs within
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"""
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def check_auth(self, username, password):
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return (safe_str_cmp(username, self._config['api_server'].get('username')) and
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safe_str_cmp(password, self._config['api_server'].get('password')))
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def __init__(self, freqtrade) -> None:
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"""
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Init the api server, and init the super class RPC
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:param freqtrade: Instance of a freqtrade bot
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:return: None
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"""
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super().__init__(freqtrade)
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self._config = freqtrade.config
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self.app = Flask(__name__)
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self._cors = CORS(self.app,
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resources={r"/api/*": {
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"supports_credentials": True,
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"origins": self._config['api_server'].get('CORS_origins', [])}}
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)
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# Setup the Flask-JWT-Extended extension
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self.app.config['JWT_SECRET_KEY'] = self._config['api_server'].get(
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'jwt_secret_key', 'super-secret')
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self.jwt = JWTManager(self.app)
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self.app.json_encoder = FTJSONEncoder
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self.app.teardown_appcontext(shutdown_session)
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# Register application handling
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self.register_rest_rpc_urls()
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if self._config.get('fiat_display_currency', None):
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self._fiat_converter = CryptoToFiatConverter()
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thread = threading.Thread(target=self.run, daemon=True)
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thread.start()
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def cleanup(self) -> None:
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logger.info("Stopping API Server")
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self.srv.shutdown()
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def run(self):
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"""
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Method that runs flask app in its own thread forever.
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Section to handle configuration and running of the Rest server
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also to check and warn if not bound to a loopback, warn on security risk.
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"""
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rest_ip = self._config['api_server']['listen_ip_address']
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rest_port = self._config['api_server']['listen_port']
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logger.info(f'Starting HTTP Server at {rest_ip}:{rest_port}')
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if not IPv4Address(rest_ip).is_loopback:
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logger.warning("SECURITY WARNING - Local Rest Server listening to external connections")
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logger.warning("SECURITY WARNING - This is insecure please set to your loopback,"
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"e.g 127.0.0.1 in config.json")
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if not self._config['api_server'].get('password'):
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logger.warning("SECURITY WARNING - No password for local REST Server defined. "
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"Please make sure that this is intentional!")
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# Run the Server
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logger.info('Starting Local Rest Server.')
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try:
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self.srv = make_server(rest_ip, rest_port, self.app)
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self.srv.serve_forever()
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except Exception:
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logger.exception("Api server failed to start.")
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logger.info('Local Rest Server started.')
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def send_msg(self, msg: Dict[str, str]) -> None:
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"""
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We don't push to endpoints at the moment.
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Take a look at webhooks for that functionality.
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"""
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pass
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def rest_error(self, error_msg, error_code=502):
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return jsonify({"error": error_msg}), error_code
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def register_rest_rpc_urls(self):
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"""
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Registers flask app URLs that are calls to functionality in rpc.rpc.
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First two arguments passed are /URL and 'Label'
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Label can be used as a shortcut when refactoring
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:return:
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"""
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self.app.register_error_handler(404, self.page_not_found)
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# Actions to control the bot
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self.app.add_url_rule(f'{BASE_URI}/token/login', 'login',
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view_func=self._token_login, methods=['POST'])
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self.app.add_url_rule(f'{BASE_URI}/token/refresh', 'token_refresh',
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view_func=self._token_refresh, methods=['POST'])
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self.app.add_url_rule(f'{BASE_URI}/start', 'start',
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view_func=self._start, methods=['POST'])
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self.app.add_url_rule(f'{BASE_URI}/stop', 'stop', view_func=self._stop, methods=['POST'])
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self.app.add_url_rule(f'{BASE_URI}/stopbuy', 'stopbuy',
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view_func=self._stopbuy, methods=['POST'])
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self.app.add_url_rule(f'{BASE_URI}/reload_config', 'reload_config',
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view_func=self._reload_config, methods=['POST'])
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# Info commands
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self.app.add_url_rule(f'{BASE_URI}/balance', 'balance',
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view_func=self._balance, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/count', 'count', view_func=self._count, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/locks', 'locks', view_func=self._locks, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/daily', 'daily', view_func=self._daily, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/edge', 'edge', view_func=self._edge, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/logs', 'log', view_func=self._get_logs, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/profit', 'profit',
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view_func=self._profit, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/stats', 'stats',
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view_func=self._stats, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/performance', 'performance',
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view_func=self._performance, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/status', 'status',
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view_func=self._status, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/version', 'version',
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view_func=self._version, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/show_config', 'show_config',
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view_func=self._show_config, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/ping', 'ping',
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view_func=self._ping, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/trades', 'trades',
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view_func=self._trades, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/trades/<int:tradeid>', 'trades_delete',
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view_func=self._trades_delete, methods=['DELETE'])
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self.app.add_url_rule(f'{BASE_URI}/pair_candles', 'pair_candles',
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view_func=self._analysed_candles, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/pair_history', 'pair_history',
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view_func=self._analysed_history, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/plot_config', 'plot_config',
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view_func=self._plot_config, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/strategies', 'strategies',
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view_func=self._list_strategies, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/strategy/<string:strategy>', 'strategy',
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view_func=self._get_strategy, methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/available_pairs', 'pairs',
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view_func=self._list_available_pairs, methods=['GET'])
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# Combined actions and infos
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self.app.add_url_rule(f'{BASE_URI}/blacklist', 'blacklist', view_func=self._blacklist,
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methods=['GET', 'POST'])
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self.app.add_url_rule(f'{BASE_URI}/whitelist', 'whitelist', view_func=self._whitelist,
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methods=['GET'])
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self.app.add_url_rule(f'{BASE_URI}/forcebuy', 'forcebuy',
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view_func=self._forcebuy, methods=['POST'])
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self.app.add_url_rule(f'{BASE_URI}/forcesell', 'forcesell', view_func=self._forcesell,
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methods=['POST'])
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@require_login
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def page_not_found(self, error):
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"""
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Return "404 not found", 404.
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"""
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return jsonify({
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'status': 'error',
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'reason': f"There's no API call for {request.base_url}.",
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'code': 404
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}), 404
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@require_login
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@rpc_catch_errors
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def _token_login(self):
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"""
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Handler for /token/login
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Returns a JWT token
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"""
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auth = request.authorization
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if auth and self.check_auth(auth.username, auth.password):
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keystuff = {'u': auth.username}
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ret = {
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'access_token': create_access_token(identity=keystuff),
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'refresh_token': create_refresh_token(identity=keystuff),
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}
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return jsonify(ret)
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return jsonify({"error": "Unauthorized"}), 401
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@jwt_refresh_token_required
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@rpc_catch_errors
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def _token_refresh(self):
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"""
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Handler for /token/refresh
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Returns a JWT token based on a JWT refresh token
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"""
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current_user = get_jwt_identity()
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new_token = create_access_token(identity=current_user, fresh=False)
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ret = {'access_token': new_token}
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return jsonify(ret)
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@require_login
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@rpc_catch_errors
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def _start(self):
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"""
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Handler for /start.
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Starts TradeThread in bot if stopped.
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"""
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msg = self._rpc_start()
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return jsonify(msg)
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@require_login
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@rpc_catch_errors
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def _stop(self):
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"""
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Handler for /stop.
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Stops TradeThread in bot if running
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"""
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msg = self._rpc_stop()
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return jsonify(msg)
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@require_login
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@rpc_catch_errors
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def _stopbuy(self):
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"""
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Handler for /stopbuy.
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Sets max_open_trades to 0 and gracefully sells all open trades
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"""
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msg = self._rpc_stopbuy()
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return jsonify(msg)
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@rpc_catch_errors
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def _ping(self):
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"""
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simple ping version
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"""
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return jsonify({"status": "pong"})
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@require_login
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@rpc_catch_errors
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def _version(self):
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"""
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Prints the bot's version
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"""
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return jsonify({"version": __version__})
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@require_login
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@rpc_catch_errors
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def _show_config(self):
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"""
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Prints the bot's version
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"""
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return jsonify(RPC._rpc_show_config(self._config, self._freqtrade.state))
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@require_login
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@rpc_catch_errors
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def _reload_config(self):
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"""
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Handler for /reload_config.
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Triggers a config file reload
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"""
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msg = self._rpc_reload_config()
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return jsonify(msg)
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@require_login
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@rpc_catch_errors
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def _count(self):
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"""
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Handler for /count.
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Returns the number of trades running
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"""
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msg = self._rpc_count()
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return jsonify(msg)
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@require_login
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@rpc_catch_errors
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def _locks(self):
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"""
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Handler for /locks.
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Returns the currently active locks.
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"""
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return jsonify(self._rpc_locks())
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@require_login
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@rpc_catch_errors
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def _daily(self):
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"""
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Returns the last X days trading stats summary.
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:return: stats
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"""
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timescale = request.args.get('timescale', 7)
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timescale = int(timescale)
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stats = self._rpc_daily_profit(timescale,
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self._config['stake_currency'],
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self._config.get('fiat_display_currency', '')
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)
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return jsonify(stats)
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@require_login
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@rpc_catch_errors
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def _get_logs(self):
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"""
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Returns latest logs
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get:
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param:
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limit: Only get a certain number of records
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"""
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limit = int(request.args.get('limit', 0)) or None
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return jsonify(RPC._rpc_get_logs(limit))
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@require_login
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@rpc_catch_errors
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def _edge(self):
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"""
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Returns information related to Edge.
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:return: edge stats
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"""
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stats = self._rpc_edge()
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return jsonify(stats)
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@require_login
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@rpc_catch_errors
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def _profit(self):
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"""
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Handler for /profit.
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Returns a cumulative profit statistics
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:return: stats
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"""
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stats = self._rpc_trade_statistics(self._config['stake_currency'],
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self._config.get('fiat_display_currency')
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)
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return jsonify(stats)
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@require_login
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@rpc_catch_errors
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def _stats(self):
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"""
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Handler for /stats.
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Returns a Object with "durations" and "sell_reasons" as keys.
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"""
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stats = self._rpc_stats()
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return jsonify(stats)
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@require_login
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@rpc_catch_errors
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def _performance(self):
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"""
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Handler for /performance.
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Returns a cumulative performance statistics
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:return: stats
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"""
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stats = self._rpc_performance()
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return jsonify(stats)
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@require_login
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@rpc_catch_errors
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def _status(self):
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"""
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Handler for /status.
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Returns the current status of the trades in json format
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"""
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try:
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results = self._rpc_trade_status()
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return jsonify(results)
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except RPCException:
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return jsonify([])
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@require_login
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@rpc_catch_errors
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def _balance(self):
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"""
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Handler for /balance.
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Returns the current status of the trades in json format
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"""
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results = self._rpc_balance(self._config['stake_currency'],
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self._config.get('fiat_display_currency', ''))
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return jsonify(results)
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@require_login
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@rpc_catch_errors
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def _trades(self):
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"""
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Handler for /trades.
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Returns the X last trades in json format
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"""
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limit = int(request.args.get('limit', 0))
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results = self._rpc_trade_history(limit)
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return jsonify(results)
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@require_login
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@rpc_catch_errors
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def _trades_delete(self, tradeid: int):
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"""
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Handler for DELETE /trades/<tradeid> endpoint.
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Removes the trade from the database (tries to cancel open orders first!)
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get:
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param:
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tradeid: Numeric trade-id assigned to the trade.
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"""
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result = self._rpc_delete(tradeid)
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return jsonify(result)
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@require_login
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@rpc_catch_errors
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def _whitelist(self):
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"""
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Handler for /whitelist.
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"""
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results = self._rpc_whitelist()
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return jsonify(results)
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@require_login
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@rpc_catch_errors
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def _blacklist(self):
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"""
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Handler for /blacklist.
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"""
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add = request.json.get("blacklist", None) if request.method == 'POST' else None
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results = self._rpc_blacklist(add)
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return jsonify(results)
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@require_login
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@rpc_catch_errors
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def _forcebuy(self):
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"""
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Handler for /forcebuy.
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"""
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asset = request.json.get("pair")
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price = request.json.get("price", None)
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|
price = float(price) if price is not None else price
|
|
|
|
trade = self._rpc_forcebuy(asset, price)
|
|
if trade:
|
|
return jsonify(trade.to_json())
|
|
else:
|
|
return jsonify({"status": f"Error buying pair {asset}."})
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _forcesell(self):
|
|
"""
|
|
Handler for /forcesell.
|
|
"""
|
|
tradeid = request.json.get("tradeid")
|
|
results = self._rpc_forcesell(tradeid)
|
|
return jsonify(results)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _analysed_candles(self):
|
|
"""
|
|
Handler for /pair_candles.
|
|
Returns the dataframe the bot is using during live/dry operations.
|
|
Takes the following get arguments:
|
|
get:
|
|
parameters:
|
|
- pair: Pair
|
|
- timeframe: Timeframe to get data for (should be aligned to strategy.timeframe)
|
|
- limit: Limit return length to the latest X candles
|
|
"""
|
|
pair = request.args.get("pair")
|
|
timeframe = request.args.get("timeframe")
|
|
limit = request.args.get("limit", type=int)
|
|
if not pair or not timeframe:
|
|
return self.rest_error("Mandatory parameter missing.", 400)
|
|
|
|
results = self._rpc_analysed_dataframe(pair, timeframe, limit)
|
|
return jsonify(results)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _analysed_history(self):
|
|
"""
|
|
Handler for /pair_history.
|
|
Returns the dataframe of a given timerange
|
|
Takes the following get arguments:
|
|
get:
|
|
parameters:
|
|
- pair: Pair
|
|
- timeframe: Timeframe to get data for (should be aligned to strategy.timeframe)
|
|
- strategy: Strategy to use - Must exist in configured strategy-path!
|
|
- timerange: timerange in the format YYYYMMDD-YYYYMMDD (YYYYMMDD- or (-YYYYMMDD))
|
|
are als possible. If omitted uses all available data.
|
|
"""
|
|
pair = request.args.get("pair")
|
|
timeframe = request.args.get("timeframe")
|
|
timerange = request.args.get("timerange")
|
|
strategy = request.args.get("strategy")
|
|
|
|
if not pair or not timeframe or not timerange or not strategy:
|
|
return self.rest_error("Mandatory parameter missing.", 400)
|
|
|
|
config = deepcopy(self._config)
|
|
config.update({
|
|
'strategy': strategy,
|
|
})
|
|
results = RPC._rpc_analysed_history_full(config, pair, timeframe, timerange)
|
|
return jsonify(results)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _plot_config(self):
|
|
"""
|
|
Handler for /plot_config.
|
|
"""
|
|
return jsonify(self._rpc_plot_config())
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _list_strategies(self):
|
|
directory = Path(self._config.get(
|
|
'strategy_path', self._config['user_data_dir'] / USERPATH_STRATEGIES))
|
|
from freqtrade.resolvers.strategy_resolver import StrategyResolver
|
|
strategy_objs = StrategyResolver.search_all_objects(directory, False)
|
|
strategy_objs = sorted(strategy_objs, key=lambda x: x['name'])
|
|
|
|
return jsonify({'strategies': [x['name'] for x in strategy_objs]})
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _get_strategy(self, strategy: str):
|
|
"""
|
|
Get a single strategy
|
|
get:
|
|
parameters:
|
|
- strategy: Only get this strategy
|
|
"""
|
|
config = deepcopy(self._config)
|
|
from freqtrade.resolvers.strategy_resolver import StrategyResolver
|
|
try:
|
|
strategy_obj = StrategyResolver._load_strategy(strategy, config,
|
|
extra_dir=config.get('strategy_path'))
|
|
except OperationalException:
|
|
return self.rest_error("Strategy not found.", 404)
|
|
|
|
return jsonify({
|
|
'strategy': strategy_obj.get_strategy_name(),
|
|
'code': strategy_obj.__source__,
|
|
})
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _list_available_pairs(self):
|
|
"""
|
|
Handler for /available_pairs.
|
|
Returns an object, with pairs, available pair length and pair_interval combinations
|
|
Takes the following get arguments:
|
|
get:
|
|
parameters:
|
|
- stake_currency: Filter on this stake currency
|
|
- timeframe: Timeframe to get data for Filter elements to this timeframe
|
|
"""
|
|
timeframe = request.args.get("timeframe")
|
|
stake_currency = request.args.get("stake_currency")
|
|
|
|
from freqtrade.data.history import get_datahandler
|
|
dh = get_datahandler(self._config['datadir'], self._config.get('dataformat_ohlcv', None))
|
|
|
|
pair_interval = dh.ohlcv_get_available_data(self._config['datadir'])
|
|
|
|
if timeframe:
|
|
pair_interval = [pair for pair in pair_interval if pair[1] == timeframe]
|
|
if stake_currency:
|
|
pair_interval = [pair for pair in pair_interval if pair[0].endswith(stake_currency)]
|
|
pair_interval = sorted(pair_interval, key=lambda x: x[0])
|
|
|
|
pairs = list({x[0] for x in pair_interval})
|
|
|
|
result = {
|
|
'length': len(pairs),
|
|
'pairs': pairs,
|
|
'pair_interval': pair_interval,
|
|
}
|
|
return jsonify(result)
|