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1 | import portfolio | |
2 | import simplejson as json | |
3 | from decimal import Decimal as D, ROUND_DOWN | |
4 | from datetime import date, datetime | |
5 | import inspect | |
6 | ||
7 | __all__ = ["BalanceStore", "ReportStore", "TradeStore"] | |
8 | ||
9 | class ReportStore: | |
10 | def __init__(self, market, verbose_print=True): | |
11 | self.market = market | |
12 | self.verbose_print = verbose_print | |
13 | ||
14 | self.logs = [] | |
15 | ||
16 | def print_log(self, message): | |
17 | message = str(message) | |
18 | if self.verbose_print: | |
19 | print(message) | |
20 | ||
21 | def add_log(self, hash_): | |
22 | hash_["date"] = datetime.now() | |
23 | self.logs.append(hash_) | |
24 | ||
25 | def to_json(self): | |
26 | def default_json_serial(obj): | |
27 | if isinstance(obj, (datetime, date)): | |
28 | return obj.isoformat() | |
29 | return str(obj) | |
30 | return json.dumps(self.logs, default=default_json_serial) | |
31 | ||
32 | def set_verbose(self, verbose_print): | |
33 | self.verbose_print = verbose_print | |
34 | ||
35 | def log_stage(self, stage): | |
36 | self.print_log("-" * (len(stage) + 8)) | |
37 | self.print_log("[Stage] {}".format(stage)) | |
38 | ||
39 | self.add_log({ | |
40 | "type": "stage", | |
41 | "stage": stage, | |
42 | }) | |
43 | ||
44 | def log_balances(self, tag=None): | |
45 | self.print_log("[Balance]") | |
46 | for currency, balance in self.market.balances.all.items(): | |
47 | self.print_log("\t{}".format(balance)) | |
48 | ||
49 | self.add_log({ | |
50 | "type": "balance", | |
51 | "tag": tag, | |
52 | "balances": self.market.balances.as_json() | |
53 | }) | |
54 | ||
55 | def log_tickers(self, amounts, other_currency, | |
56 | compute_value, type): | |
57 | values = {} | |
58 | rates = {} | |
59 | if callable(compute_value): | |
60 | compute_value = inspect.getsource(compute_value).strip() | |
61 | ||
62 | for currency, amount in amounts.items(): | |
63 | values[currency] = amount.as_json()["value"] | |
64 | rates[currency] = amount.rate | |
65 | self.add_log({ | |
66 | "type": "tickers", | |
67 | "compute_value": compute_value, | |
68 | "balance_type": type, | |
69 | "currency": other_currency, | |
70 | "balances": values, | |
71 | "rates": rates, | |
72 | "total": sum(amounts.values()).as_json()["value"] | |
73 | }) | |
74 | ||
75 | def log_dispatch(self, amount, amounts, liquidity, repartition): | |
76 | self.add_log({ | |
77 | "type": "dispatch", | |
78 | "liquidity": liquidity, | |
79 | "repartition_ratio": repartition, | |
80 | "total_amount": amount.as_json(), | |
81 | "repartition": { k: v.as_json()["value"] for k, v in amounts.items() } | |
82 | }) | |
83 | ||
84 | def log_trades(self, matching_and_trades, only): | |
85 | trades = [] | |
86 | for matching, trade in matching_and_trades: | |
87 | trade_json = trade.as_json() | |
88 | trade_json["skipped"] = not matching | |
89 | trades.append(trade_json) | |
90 | ||
91 | self.add_log({ | |
92 | "type": "trades", | |
93 | "only": only, | |
94 | "debug": self.market.debug, | |
95 | "trades": trades | |
96 | }) | |
97 | ||
98 | def log_orders(self, orders, tick=None, only=None, compute_value=None): | |
99 | if callable(compute_value): | |
100 | compute_value = inspect.getsource(compute_value).strip() | |
101 | self.print_log("[Orders]") | |
102 | self.market.trades.print_all_with_order(ind="\t") | |
103 | self.add_log({ | |
104 | "type": "orders", | |
105 | "only": only, | |
106 | "compute_value": compute_value, | |
107 | "tick": tick, | |
108 | "orders": [order.as_json() for order in orders if order is not None] | |
109 | }) | |
110 | ||
111 | def log_order(self, order, tick, finished=False, update=None, | |
112 | new_order=None, compute_value=None): | |
113 | if callable(compute_value): | |
114 | compute_value = inspect.getsource(compute_value).strip() | |
115 | if finished: | |
116 | self.print_log("[Order] Finished {}".format(order)) | |
117 | elif update == "waiting": | |
118 | self.print_log("[Order] {}, tick {}, waiting".format(order, tick)) | |
119 | elif update == "adjusting": | |
120 | self.print_log("[Order] {}, tick {}, cancelling and adjusting to {}".format(order, tick, new_order)) | |
121 | elif update == "market_fallback": | |
122 | self.print_log("[Order] {}, tick {}, fallbacking to market value".format(order, tick)) | |
123 | elif update == "market_adjust": | |
124 | self.print_log("[Order] {}, tick {}, market value, cancelling and adjusting to {}".format(order, tick, new_order)) | |
125 | ||
126 | self.add_log({ | |
127 | "type": "order", | |
128 | "tick": tick, | |
129 | "update": update, | |
130 | "order": order.as_json(), | |
131 | "compute_value": compute_value, | |
132 | "new_order": new_order.as_json() if new_order is not None else None | |
133 | }) | |
134 | ||
135 | def log_move_balances(self, needed, moving): | |
136 | self.add_log({ | |
137 | "type": "move_balances", | |
138 | "debug": self.market.debug, | |
139 | "needed": { k: v.as_json()["value"] if isinstance(v, portfolio.Amount) else v for k, v in needed.items() }, | |
140 | "moving": { k: v.as_json()["value"] if isinstance(v, portfolio.Amount) else v for k, v in moving.items() }, | |
141 | }) | |
142 | ||
143 | def log_http_request(self, method, url, body, headers, response): | |
144 | self.add_log({ | |
145 | "type": "http_request", | |
146 | "method": method, | |
147 | "url": url, | |
148 | "body": body, | |
149 | "headers": headers, | |
150 | "status": response.status_code, | |
151 | "response": response.text | |
152 | }) | |
153 | ||
154 | def log_error(self, action, message=None, exception=None): | |
155 | self.print_log("[Error] {}".format(action)) | |
156 | if exception is not None: | |
157 | self.print_log(str("\t{}: {}".format(exception.__class__.__name__, exception))) | |
158 | if message is not None: | |
159 | self.print_log("\t{}".format(message)) | |
160 | ||
161 | self.add_log({ | |
162 | "type": "error", | |
163 | "action": action, | |
164 | "exception_class": exception.__class__.__name__ if exception is not None else None, | |
165 | "exception_message": str(exception) if exception is not None else None, | |
166 | "message": message, | |
167 | }) | |
168 | ||
169 | def log_debug_action(self, action): | |
170 | self.print_log("[Debug] {}".format(action)) | |
171 | ||
172 | self.add_log({ | |
173 | "type": "debug_action", | |
174 | "action": action, | |
175 | }) | |
176 | ||
177 | class BalanceStore: | |
178 | def __init__(self, market): | |
179 | self.market = market | |
180 | self.all = {} | |
181 | ||
182 | def currencies(self): | |
183 | return self.all.keys() | |
184 | ||
185 | def in_currency(self, other_currency, compute_value="average", type="total"): | |
186 | amounts = {} | |
187 | for currency, balance in self.all.items(): | |
188 | other_currency_amount = getattr(balance, type)\ | |
189 | .in_currency(other_currency, self.market, compute_value=compute_value) | |
190 | amounts[currency] = other_currency_amount | |
191 | self.market.report.log_tickers(amounts, other_currency, | |
192 | compute_value, type) | |
193 | return amounts | |
194 | ||
195 | def fetch_balances(self, tag=None): | |
196 | all_balances = self.market.ccxt.fetch_all_balances() | |
197 | for currency, balance in all_balances.items(): | |
198 | if balance["exchange_total"] != 0 or balance["margin_total"] != 0 or \ | |
199 | currency in self.all: | |
200 | self.all[currency] = portfolio.Balance(currency, balance) | |
201 | self.market.report.log_balances(tag=tag) | |
202 | ||
203 | def dispatch_assets(self, amount, liquidity="medium", repartition=None): | |
204 | if repartition is None: | |
205 | repartition = portfolio.Portfolio.repartition(self.market, liquidity=liquidity) | |
206 | sum_ratio = sum([v[0] for k, v in repartition.items()]) | |
207 | amounts = {} | |
208 | for currency, (ptt, trade_type) in repartition.items(): | |
209 | amounts[currency] = ptt * amount / sum_ratio | |
210 | if trade_type == "short": | |
211 | amounts[currency] = - amounts[currency] | |
212 | self.all.setdefault(currency, portfolio.Balance(currency, {})) | |
213 | self.market.report.log_dispatch(amount, amounts, liquidity, repartition) | |
214 | return amounts | |
215 | ||
216 | def as_json(self): | |
217 | return { k: v.as_json() for k, v in self.all.items() } | |
218 | ||
219 | class TradeStore: | |
220 | def __init__(self, market): | |
221 | self.market = market | |
222 | self.all = [] | |
223 | ||
224 | @property | |
225 | def pending(self): | |
226 | return list(filter(lambda t: not t.is_fullfiled, self.all)) | |
227 | ||
228 | def compute_trades(self, values_in_base, new_repartition, only=None): | |
229 | computed_trades = [] | |
230 | base_currency = sum(values_in_base.values()).currency | |
231 | for currency in self.market.balances.currencies(): | |
232 | if currency == base_currency: | |
233 | continue | |
234 | value_from = values_in_base.get(currency, portfolio.Amount(base_currency, 0)) | |
235 | value_to = new_repartition.get(currency, portfolio.Amount(base_currency, 0)) | |
236 | ||
237 | if value_from.value * value_to.value < 0: | |
238 | computed_trades.append(self.trade_if_matching( | |
239 | value_from, portfolio.Amount(base_currency, 0), | |
240 | currency, only=only)) | |
241 | computed_trades.append(self.trade_if_matching( | |
242 | portfolio.Amount(base_currency, 0), value_to, | |
243 | currency, only=only)) | |
244 | else: | |
245 | computed_trades.append(self.trade_if_matching( | |
246 | value_from, value_to, | |
247 | currency, only=only)) | |
248 | for matching, trade in computed_trades: | |
249 | if matching: | |
250 | self.all.append(trade) | |
251 | self.market.report.log_trades(computed_trades, only) | |
252 | ||
253 | def trade_if_matching(self, value_from, value_to, currency, | |
254 | only=None): | |
255 | trade = portfolio.Trade(value_from, value_to, currency, | |
256 | self.market) | |
257 | matching = only is None or trade.action == only | |
258 | return [matching, trade] | |
259 | ||
260 | def prepare_orders(self, only=None, compute_value="default"): | |
261 | orders = [] | |
262 | for trade in self.pending: | |
263 | if only is None or trade.action == only: | |
264 | orders.append(trade.prepare_order(compute_value=compute_value)) | |
265 | self.market.report.log_orders(orders, only, compute_value) | |
266 | ||
267 | def print_all_with_order(self, ind=""): | |
268 | for trade in self.all: | |
269 | trade.print_with_order(ind=ind) | |
270 | ||
271 | def run_orders(self): | |
272 | orders = self.all_orders(state="pending") | |
273 | for order in orders: | |
274 | order.run() | |
275 | self.market.report.log_stage("run_orders") | |
276 | self.market.report.log_orders(orders) | |
277 | ||
278 | def all_orders(self, state=None): | |
279 | all_orders = sum(map(lambda v: v.orders, self.all), []) | |
280 | if state is None: | |
281 | return all_orders | |
282 | else: | |
283 | return list(filter(lambda o: o.status == state, all_orders)) | |
284 | ||
285 | def update_all_orders_status(self): | |
286 | for order in self.all_orders(state="open"): | |
287 | order.get_status() | |
288 | ||
289 |