399 lines
12 KiB
Python
399 lines
12 KiB
Python
import logging
|
|
import threading
|
|
from datetime import date, datetime
|
|
from ipaddress import IPv4Address
|
|
from typing import Dict, Callable, Any
|
|
|
|
from arrow import Arrow
|
|
from flask import Flask, jsonify, request
|
|
from flask.json import JSONEncoder
|
|
from werkzeug.serving import make_server
|
|
|
|
from freqtrade.__init__ import __version__
|
|
from freqtrade.rpc.rpc import RPC, RPCException
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
BASE_URI = "/api/v1"
|
|
|
|
|
|
class ArrowJSONEncoder(JSONEncoder):
|
|
def default(self, obj):
|
|
try:
|
|
if isinstance(obj, Arrow):
|
|
return obj.for_json()
|
|
elif isinstance(obj, date):
|
|
return obj.strftime("%Y-%m-%d")
|
|
elif isinstance(obj, datetime):
|
|
return obj.strftime("%Y-%m-%d %H:%M:%S")
|
|
iterable = iter(obj)
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
return list(iterable)
|
|
return JSONEncoder.default(self, obj)
|
|
|
|
|
|
# Type should really be Callable[[ApiServer, Any], Any], but that will create a circular dependency
|
|
def require_login(func: Callable[[Any, Any], Any]):
|
|
|
|
def func_wrapper(obj, *args, **kwargs):
|
|
|
|
auth = request.authorization
|
|
if auth and obj.check_auth(auth.username, auth.password):
|
|
return func(obj, *args, **kwargs)
|
|
else:
|
|
return jsonify({"error": "Unauthorized"}), 401
|
|
|
|
return func_wrapper
|
|
|
|
|
|
# Type should really be Callable[[ApiServer], Any], but that will create a circular dependency
|
|
def rpc_catch_errors(func: Callable[[Any], Any]):
|
|
|
|
def func_wrapper(obj, *args, **kwargs):
|
|
|
|
try:
|
|
return func(obj, *args, **kwargs)
|
|
except RPCException as e:
|
|
logger.exception("API Error calling %s: %s", func.__name__, e)
|
|
return obj.rest_error(f"Error querying {func.__name__}: {e}")
|
|
|
|
return func_wrapper
|
|
|
|
|
|
class ApiServer(RPC):
|
|
"""
|
|
This class runs api server and provides rpc.rpc functionality to it
|
|
|
|
This class starts a non-blocking thread the api server runs within
|
|
"""
|
|
|
|
def check_auth(self, username, password):
|
|
return (username == self._config['api_server'].get('username') and
|
|
password == self._config['api_server'].get('password'))
|
|
|
|
def __init__(self, freqtrade) -> None:
|
|
"""
|
|
Init the api server, and init the super class RPC
|
|
:param freqtrade: Instance of a freqtrade bot
|
|
:return: None
|
|
"""
|
|
super().__init__(freqtrade)
|
|
|
|
self._config = freqtrade.config
|
|
self.app = Flask(__name__)
|
|
self.app.json_encoder = ArrowJSONEncoder
|
|
|
|
# Register application handling
|
|
self.register_rest_rpc_urls()
|
|
|
|
thread = threading.Thread(target=self.run, daemon=True)
|
|
thread.start()
|
|
|
|
def cleanup(self) -> None:
|
|
logger.info("Stopping API Server")
|
|
self.srv.shutdown()
|
|
|
|
def run(self):
|
|
"""
|
|
Method that runs flask app in its own thread forever.
|
|
Section to handle configuration and running of the Rest server
|
|
also to check and warn if not bound to a loopback, warn on security risk.
|
|
"""
|
|
rest_ip = self._config['api_server']['listen_ip_address']
|
|
rest_port = self._config['api_server']['listen_port']
|
|
|
|
logger.info(f'Starting HTTP Server at {rest_ip}:{rest_port}')
|
|
if not IPv4Address(rest_ip).is_loopback:
|
|
logger.warning("SECURITY WARNING - Local Rest Server listening to external connections")
|
|
logger.warning("SECURITY WARNING - This is insecure please set to your loopback,"
|
|
"e.g 127.0.0.1 in config.json")
|
|
|
|
if not self._config['api_server'].get('password'):
|
|
logger.warning("SECURITY WARNING - No password for local REST Server defined. "
|
|
"Please make sure that this is intentional!")
|
|
|
|
# Run the Server
|
|
logger.info('Starting Local Rest Server.')
|
|
try:
|
|
self.srv = make_server(rest_ip, rest_port, self.app)
|
|
self.srv.serve_forever()
|
|
except Exception:
|
|
logger.exception("Api server failed to start.")
|
|
logger.info('Local Rest Server started.')
|
|
|
|
def send_msg(self, msg: Dict[str, str]) -> None:
|
|
"""
|
|
We don't push to endpoints at the moment.
|
|
Take a look at webhooks for that functionality.
|
|
"""
|
|
pass
|
|
|
|
def rest_dump(self, return_value):
|
|
""" Helper function to jsonify object for a webserver """
|
|
return jsonify(return_value)
|
|
|
|
def rest_error(self, error_msg):
|
|
return jsonify({"error": error_msg}), 502
|
|
|
|
def register_rest_rpc_urls(self):
|
|
"""
|
|
Registers flask app URLs that are calls to functonality in rpc.rpc.
|
|
|
|
First two arguments passed are /URL and 'Label'
|
|
Label can be used as a shortcut when refactoring
|
|
:return:
|
|
"""
|
|
self.app.register_error_handler(404, self.page_not_found)
|
|
|
|
# Actions to control the bot
|
|
self.app.add_url_rule(f'{BASE_URI}/start', 'start',
|
|
view_func=self._start, methods=['POST'])
|
|
self.app.add_url_rule(f'{BASE_URI}/stop', 'stop', view_func=self._stop, methods=['POST'])
|
|
self.app.add_url_rule(f'{BASE_URI}/stopbuy', 'stopbuy',
|
|
view_func=self._stopbuy, methods=['POST'])
|
|
self.app.add_url_rule(f'{BASE_URI}/reload_conf', 'reload_conf',
|
|
view_func=self._reload_conf, methods=['POST'])
|
|
# Info commands
|
|
self.app.add_url_rule(f'{BASE_URI}/balance', 'balance',
|
|
view_func=self._balance, methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/count', 'count', view_func=self._count, methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/daily', 'daily', view_func=self._daily, methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/edge', 'edge', view_func=self._edge, methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/profit', 'profit',
|
|
view_func=self._profit, methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/performance', 'performance',
|
|
view_func=self._performance, methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/status', 'status',
|
|
view_func=self._status, methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/version', 'version',
|
|
view_func=self._version, methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/show_config', 'show_config',
|
|
view_func=self._show_config, methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/ping', 'ping',
|
|
view_func=self._ping, methods=['GET'])
|
|
|
|
# Combined actions and infos
|
|
self.app.add_url_rule(f'{BASE_URI}/blacklist', 'blacklist', view_func=self._blacklist,
|
|
methods=['GET', 'POST'])
|
|
self.app.add_url_rule(f'{BASE_URI}/whitelist', 'whitelist', view_func=self._whitelist,
|
|
methods=['GET'])
|
|
self.app.add_url_rule(f'{BASE_URI}/forcebuy', 'forcebuy',
|
|
view_func=self._forcebuy, methods=['POST'])
|
|
self.app.add_url_rule(f'{BASE_URI}/forcesell', 'forcesell', view_func=self._forcesell,
|
|
methods=['POST'])
|
|
|
|
# TODO: Implement the following
|
|
# help (?)
|
|
|
|
@require_login
|
|
def page_not_found(self, error):
|
|
"""
|
|
Return "404 not found", 404.
|
|
"""
|
|
return self.rest_dump({
|
|
'status': 'error',
|
|
'reason': f"There's no API call for {request.base_url}.",
|
|
'code': 404
|
|
}), 404
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _start(self):
|
|
"""
|
|
Handler for /start.
|
|
Starts TradeThread in bot if stopped.
|
|
"""
|
|
msg = self._rpc_start()
|
|
return self.rest_dump(msg)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _stop(self):
|
|
"""
|
|
Handler for /stop.
|
|
Stops TradeThread in bot if running
|
|
"""
|
|
msg = self._rpc_stop()
|
|
return self.rest_dump(msg)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _stopbuy(self):
|
|
"""
|
|
Handler for /stopbuy.
|
|
Sets max_open_trades to 0 and gracefully sells all open trades
|
|
"""
|
|
msg = self._rpc_stopbuy()
|
|
return self.rest_dump(msg)
|
|
|
|
@rpc_catch_errors
|
|
def _ping(self):
|
|
"""
|
|
simple poing version
|
|
"""
|
|
return self.rest_dump({"status": "pong"})
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _version(self):
|
|
"""
|
|
Prints the bot's version
|
|
"""
|
|
return self.rest_dump({"version": __version__})
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _show_config(self):
|
|
"""
|
|
Prints the bot's version
|
|
"""
|
|
return self.rest_dump(self._rpc_show_config())
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _reload_conf(self):
|
|
"""
|
|
Handler for /reload_conf.
|
|
Triggers a config file reload
|
|
"""
|
|
msg = self._rpc_reload_conf()
|
|
return self.rest_dump(msg)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _count(self):
|
|
"""
|
|
Handler for /count.
|
|
Returns the number of trades running
|
|
"""
|
|
msg = self._rpc_count()
|
|
return self.rest_dump(msg)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _daily(self):
|
|
"""
|
|
Returns the last X days trading stats summary.
|
|
|
|
:return: stats
|
|
"""
|
|
timescale = request.args.get('timescale', 7)
|
|
timescale = int(timescale)
|
|
|
|
stats = self._rpc_daily_profit(timescale,
|
|
self._config['stake_currency'],
|
|
self._config.get('fiat_display_currency', '')
|
|
)
|
|
|
|
return self.rest_dump(stats)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _edge(self):
|
|
"""
|
|
Returns information related to Edge.
|
|
:return: edge stats
|
|
"""
|
|
stats = self._rpc_edge()
|
|
|
|
return self.rest_dump(stats)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _profit(self):
|
|
"""
|
|
Handler for /profit.
|
|
|
|
Returns a cumulative profit statistics
|
|
:return: stats
|
|
"""
|
|
logger.info("LocalRPC - Profit Command Called")
|
|
|
|
stats = self._rpc_trade_statistics(self._config['stake_currency'],
|
|
self._config['fiat_display_currency']
|
|
)
|
|
|
|
return self.rest_dump(stats)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _performance(self):
|
|
"""
|
|
Handler for /performance.
|
|
|
|
Returns a cumulative performance statistics
|
|
:return: stats
|
|
"""
|
|
logger.info("LocalRPC - performance Command Called")
|
|
|
|
stats = self._rpc_performance()
|
|
|
|
return self.rest_dump(stats)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _status(self):
|
|
"""
|
|
Handler for /status.
|
|
|
|
Returns the current status of the trades in json format
|
|
"""
|
|
results = self._rpc_trade_status()
|
|
return self.rest_dump(results)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _balance(self):
|
|
"""
|
|
Handler for /balance.
|
|
|
|
Returns the current status of the trades in json format
|
|
"""
|
|
results = self._rpc_balance(self._config.get('fiat_display_currency', ''))
|
|
return self.rest_dump(results)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _whitelist(self):
|
|
"""
|
|
Handler for /whitelist.
|
|
"""
|
|
results = self._rpc_whitelist()
|
|
return self.rest_dump(results)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _blacklist(self):
|
|
"""
|
|
Handler for /blacklist.
|
|
"""
|
|
add = request.json.get("blacklist", None) if request.method == 'POST' else None
|
|
results = self._rpc_blacklist(add)
|
|
return self.rest_dump(results)
|
|
|
|
@require_login
|
|
@rpc_catch_errors
|
|
def _forcebuy(self):
|
|
"""
|
|
Handler for /forcebuy.
|
|
"""
|
|
asset = request.json.get("pair")
|
|
price = request.json.get("price", None)
|
|
trade = self._rpc_forcebuy(asset, price)
|
|
if trade:
|
|
return self.rest_dump(trade.to_json())
|
|
else:
|
|
return self.rest_dump({"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 self.rest_dump(results)
|