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Commit | Line | Data |
---|---|---|
1 | from datetime import datetime | |
2 | from decimal import Decimal as D, ROUND_DOWN | |
3 | from ccxt import ExchangeError, InsufficientFunds, ExchangeNotAvailable, InvalidOrder, OrderNotCached, OrderNotFound | |
4 | from retry import retry | |
5 | ||
6 | # FIXME: correctly handle web call timeouts | |
7 | ||
8 | class Computation: | |
9 | computations = { | |
10 | "default": lambda x, y: x[y], | |
11 | "average": lambda x, y: x["average"], | |
12 | "bid": lambda x, y: x["bid"], | |
13 | "ask": lambda x, y: x["ask"], | |
14 | } | |
15 | ||
16 | @classmethod | |
17 | def compute_value(cls, ticker, action, compute_value="default"): | |
18 | if action == "buy": | |
19 | action = "ask" | |
20 | if action == "sell": | |
21 | action = "bid" | |
22 | if isinstance(compute_value, str): | |
23 | compute_value = cls.computations[compute_value] | |
24 | return compute_value(ticker, action) | |
25 | ||
26 | class Amount: | |
27 | def __init__(self, currency, value, linked_to=None, ticker=None, rate=None): | |
28 | self.currency = currency | |
29 | self.value = D(value) | |
30 | self.linked_to = linked_to | |
31 | self.ticker = ticker | |
32 | self.rate = rate | |
33 | ||
34 | def in_currency(self, other_currency, market, rate=None, action=None, compute_value="average"): | |
35 | if other_currency == self.currency: | |
36 | return self | |
37 | if rate is not None: | |
38 | return Amount( | |
39 | other_currency, | |
40 | self.value * rate, | |
41 | linked_to=self, | |
42 | rate=rate) | |
43 | asset_ticker = market.get_ticker(self.currency, other_currency) | |
44 | if asset_ticker is not None: | |
45 | rate = Computation.compute_value(asset_ticker, action, compute_value=compute_value) | |
46 | return Amount( | |
47 | other_currency, | |
48 | self.value * rate, | |
49 | linked_to=self, | |
50 | ticker=asset_ticker, | |
51 | rate=rate) | |
52 | else: | |
53 | raise Exception("This asset is not available in the chosen market") | |
54 | ||
55 | def as_json(self): | |
56 | return { | |
57 | "currency": self.currency, | |
58 | "value": round(self).value.normalize(), | |
59 | } | |
60 | ||
61 | def __round__(self, n=8): | |
62 | return Amount(self.currency, self.value.quantize(D(1)/D(10**n), rounding=ROUND_DOWN)) | |
63 | ||
64 | def __abs__(self): | |
65 | return Amount(self.currency, abs(self.value)) | |
66 | ||
67 | def __add__(self, other): | |
68 | if other == 0: | |
69 | return self | |
70 | if other.currency != self.currency and other.value * self.value != 0: | |
71 | raise Exception("Summing amounts must be done with same currencies") | |
72 | return Amount(self.currency, self.value + other.value) | |
73 | ||
74 | def __radd__(self, other): | |
75 | if other == 0: | |
76 | return self | |
77 | else: | |
78 | return self.__add__(other) | |
79 | ||
80 | def __sub__(self, other): | |
81 | if other == 0: | |
82 | return self | |
83 | if other.currency != self.currency and other.value * self.value != 0: | |
84 | raise Exception("Summing amounts must be done with same currencies") | |
85 | return Amount(self.currency, self.value - other.value) | |
86 | ||
87 | def __rsub__(self, other): | |
88 | if other == 0: | |
89 | return -self | |
90 | else: | |
91 | return -self.__sub__(other) | |
92 | ||
93 | def __mul__(self, value): | |
94 | if not isinstance(value, (int, float, D)): | |
95 | raise TypeError("Amount may only be multiplied by numbers") | |
96 | return Amount(self.currency, self.value * value) | |
97 | ||
98 | def __rmul__(self, value): | |
99 | return self.__mul__(value) | |
100 | ||
101 | def __floordiv__(self, value): | |
102 | if not isinstance(value, (int, float, D)): | |
103 | raise TypeError("Amount may only be divided by numbers") | |
104 | return Amount(self.currency, self.value / value) | |
105 | ||
106 | def __truediv__(self, value): | |
107 | return self.__floordiv__(value) | |
108 | ||
109 | def __lt__(self, other): | |
110 | if other == 0: | |
111 | return self.value < 0 | |
112 | if self.currency != other.currency: | |
113 | raise Exception("Comparing amounts must be done with same currencies") | |
114 | return self.value < other.value | |
115 | ||
116 | def __le__(self, other): | |
117 | return self == other or self < other | |
118 | ||
119 | def __gt__(self, other): | |
120 | return not self <= other | |
121 | ||
122 | def __ge__(self, other): | |
123 | return not self < other | |
124 | ||
125 | def __eq__(self, other): | |
126 | if other == 0: | |
127 | return self.value == 0 | |
128 | if self.currency != other.currency: | |
129 | raise Exception("Comparing amounts must be done with same currencies") | |
130 | return self.value == other.value | |
131 | ||
132 | def __ne__(self, other): | |
133 | return not self == other | |
134 | ||
135 | def __neg__(self): | |
136 | return Amount(self.currency, - self.value) | |
137 | ||
138 | def __str__(self): | |
139 | if self.linked_to is None: | |
140 | return "{:.8f} {}".format(self.value, self.currency) | |
141 | else: | |
142 | return "{:.8f} {} [{}]".format(self.value, self.currency, self.linked_to) | |
143 | ||
144 | def __repr__(self): | |
145 | if self.linked_to is None: | |
146 | return "Amount({:.8f} {})".format(self.value, self.currency) | |
147 | else: | |
148 | return "Amount({:.8f} {} -> {})".format(self.value, self.currency, repr(self.linked_to)) | |
149 | ||
150 | class Balance: | |
151 | base_keys = ["total", "exchange_total", "exchange_used", | |
152 | "exchange_free", "margin_total", "margin_in_position", | |
153 | "margin_available", "margin_borrowed", "margin_pending_gain"] | |
154 | ||
155 | def __init__(self, currency, hash_): | |
156 | self.currency = currency | |
157 | for key in self.base_keys: | |
158 | setattr(self, key, Amount(currency, hash_.get(key, 0))) | |
159 | ||
160 | self.margin_position_type = hash_.get("margin_position_type") | |
161 | ||
162 | if hash_.get("margin_borrowed_base_currency") is not None: | |
163 | base_currency = hash_["margin_borrowed_base_currency"] | |
164 | for key in [ | |
165 | "margin_liquidation_price", | |
166 | "margin_lending_fees", | |
167 | "margin_pending_base_gain", | |
168 | "margin_borrowed_base_price" | |
169 | ]: | |
170 | setattr(self, key, Amount(base_currency, hash_.get(key, 0))) | |
171 | ||
172 | def as_json(self): | |
173 | return dict(map(lambda x: (x, getattr(self, x).as_json()["value"]), self.base_keys)) | |
174 | ||
175 | def __repr__(self): | |
176 | if self.exchange_total > 0: | |
177 | if self.exchange_free > 0 and self.exchange_used > 0: | |
178 | exchange = " Exch: [✔{} + ❌{} = {}]".format(str(self.exchange_free), str(self.exchange_used), str(self.exchange_total)) | |
179 | elif self.exchange_free > 0: | |
180 | exchange = " Exch: [✔{}]".format(str(self.exchange_free)) | |
181 | else: | |
182 | exchange = " Exch: [❌{}]".format(str(self.exchange_used)) | |
183 | else: | |
184 | exchange = "" | |
185 | ||
186 | if self.margin_total > 0: | |
187 | if self.margin_available != 0 and self.margin_in_position != 0: | |
188 | margin = " Margin: [✔{} + ❌{} = {}]".format(str(self.margin_available), str(self.margin_in_position), str(self.margin_total)) | |
189 | elif self.margin_available != 0: | |
190 | margin = " Margin: [✔{}]".format(str(self.margin_available)) | |
191 | else: | |
192 | margin = " Margin: [❌{}]".format(str(self.margin_in_position)) | |
193 | elif self.margin_total < 0: | |
194 | margin = " Margin: [{} @@ {}/{}]".format(str(self.margin_total), | |
195 | str(self.margin_borrowed_base_price), | |
196 | str(self.margin_lending_fees)) | |
197 | else: | |
198 | margin = "" | |
199 | ||
200 | if self.margin_total != 0 and self.exchange_total != 0: | |
201 | total = " Total: [{}]".format(str(self.total)) | |
202 | else: | |
203 | total = "" | |
204 | ||
205 | return "Balance({}".format(self.currency) + "".join([exchange, margin, total]) + ")" | |
206 | ||
207 | class Trade: | |
208 | def __init__(self, value_from, value_to, currency, market): | |
209 | # We have value_from of currency, and want to finish with value_to of | |
210 | # that currency. value_* may not be in currency's terms | |
211 | self.currency = currency | |
212 | self.value_from = value_from | |
213 | self.value_to = value_to | |
214 | self.orders = [] | |
215 | self.market = market | |
216 | self.closed = False | |
217 | self.inverted = None | |
218 | assert self.value_from.value * self.value_to.value >= 0 | |
219 | assert self.value_from.currency == self.value_to.currency | |
220 | if self.value_from != 0: | |
221 | assert self.value_from.linked_to is not None and self.value_from.linked_to.currency == self.currency | |
222 | elif self.value_from.linked_to is None: | |
223 | self.value_from.linked_to = Amount(self.currency, 0) | |
224 | self.base_currency = self.value_from.currency | |
225 | ||
226 | @property | |
227 | def delta(self): | |
228 | return self.value_to - self.value_from | |
229 | ||
230 | @property | |
231 | def action(self): | |
232 | if self.value_from == self.value_to: | |
233 | return None | |
234 | if self.base_currency == self.currency: | |
235 | return None | |
236 | ||
237 | if abs(self.value_from) < abs(self.value_to): | |
238 | return "acquire" | |
239 | else: | |
240 | return "dispose" | |
241 | ||
242 | def order_action(self): | |
243 | if (self.value_from < self.value_to) != self.inverted: | |
244 | return "buy" | |
245 | else: | |
246 | return "sell" | |
247 | ||
248 | @property | |
249 | def trade_type(self): | |
250 | if self.value_from + self.value_to < 0: | |
251 | return "short" | |
252 | else: | |
253 | return "long" | |
254 | ||
255 | @property | |
256 | def pending(self): | |
257 | return not (self.is_fullfiled or self.closed) | |
258 | ||
259 | def close(self): | |
260 | for order in self.orders: | |
261 | order.cancel() | |
262 | self.closed = True | |
263 | ||
264 | @property | |
265 | def is_fullfiled(self): | |
266 | return abs(self.filled_amount(in_base_currency=(not self.inverted))) >= abs(self.delta) | |
267 | ||
268 | def filled_amount(self, in_base_currency=False): | |
269 | filled_amount = 0 | |
270 | for order in self.orders: | |
271 | filled_amount += order.filled_amount(in_base_currency=in_base_currency) | |
272 | return filled_amount | |
273 | ||
274 | def update_order(self, order, tick): | |
275 | actions = { | |
276 | 0: ["waiting", None], | |
277 | 1: ["waiting", None], | |
278 | 2: ["adjusting", lambda x, y: (x[y] + x["average"]) / 2], | |
279 | 3: ["waiting", None], | |
280 | 4: ["waiting", None], | |
281 | 5: ["adjusting", lambda x, y: (x[y]*2 + x["average"]) / 3], | |
282 | 6: ["waiting", None], | |
283 | 7: ["market_fallback", "default"], | |
284 | } | |
285 | ||
286 | if tick in actions: | |
287 | update, compute_value = actions[tick] | |
288 | elif tick % 3 == 1: | |
289 | update = "market_adjust" | |
290 | compute_value = "default" | |
291 | else: | |
292 | update = "waiting" | |
293 | compute_value = None | |
294 | ||
295 | if compute_value is not None: | |
296 | order.cancel() | |
297 | new_order = self.prepare_order(compute_value=compute_value) | |
298 | else: | |
299 | new_order = None | |
300 | ||
301 | self.market.report.log_order(order, tick, update=update, | |
302 | compute_value=compute_value, new_order=new_order) | |
303 | ||
304 | if new_order is not None: | |
305 | new_order.run() | |
306 | self.market.report.log_order(order, tick, new_order=new_order) | |
307 | ||
308 | def prepare_order(self, close_if_possible=None, compute_value="default"): | |
309 | if self.action is None: | |
310 | return None | |
311 | ticker = self.market.get_ticker(self.currency, self.base_currency) | |
312 | self.inverted = ticker["inverted"] | |
313 | if self.inverted: | |
314 | ticker = ticker["original"] | |
315 | rate = Computation.compute_value(ticker, self.order_action(), compute_value=compute_value) | |
316 | ||
317 | # FIXME: Dust amount should be removed from there if they werent | |
318 | # honored in other sales | |
319 | delta_in_base = abs(self.delta) | |
320 | # 9 BTC's worth of move (10 - 1 or 1 - 10 depending on case) | |
321 | ||
322 | if not self.inverted: | |
323 | base_currency = self.base_currency | |
324 | # BTC | |
325 | if self.action == "dispose": | |
326 | filled = self.filled_amount(in_base_currency=False) | |
327 | delta = delta_in_base.in_currency(self.currency, self.market, rate=1/self.value_from.rate) | |
328 | # I have 10 BTC worth of FOO, and I want to sell 9 BTC | |
329 | # worth of it, computed first with rate 10 FOO = 1 BTC. | |
330 | # -> I "sell" "90" FOO at proposed rate "rate". | |
331 | ||
332 | delta = delta - filled | |
333 | # I already sold 60 FOO, 30 left | |
334 | else: | |
335 | filled = self.filled_amount(in_base_currency=True) | |
336 | delta = (delta_in_base - filled).in_currency(self.currency, self.market, rate=1/rate) | |
337 | # I want to buy 9 BTC worth of FOO, computed with rate | |
338 | # 10 FOO = 1 BTC | |
339 | # -> I "buy" "9 / rate" FOO at proposed rate "rate" | |
340 | ||
341 | # I already bought 3 / rate FOO, 6 / rate left | |
342 | else: | |
343 | base_currency = self.currency | |
344 | # FOO | |
345 | if self.action == "dispose": | |
346 | filled = self.filled_amount(in_base_currency=True) | |
347 | # Base is FOO | |
348 | ||
349 | delta = (delta_in_base.in_currency(self.currency, self.market, rate=1/self.value_from.rate) | |
350 | - filled).in_currency(self.base_currency, self.market, rate=1/rate) | |
351 | # I have 10 BTC worth of FOO, and I want to sell 9 BTC worth of it | |
352 | # computed at rate 1 Foo = 0.01 BTC | |
353 | # Computation says I should sell it at 125 FOO / BTC | |
354 | # -> delta_in_base = 9 BTC | |
355 | # -> delta = (9 * 1/0.01 FOO) * 1/125 = 7.2 BTC | |
356 | # Action: "buy" "7.2 BTC" at rate "125" "FOO" on market | |
357 | ||
358 | # I already bought 300/125 BTC, only 600/125 left | |
359 | else: | |
360 | filled = self.filled_amount(in_base_currency=False) | |
361 | # Base is FOO | |
362 | ||
363 | delta = delta_in_base | |
364 | # I have 1 BTC worth of FOO, and I want to buy 9 BTC worth of it | |
365 | # At rate 100 Foo / BTC | |
366 | # Computation says I should buy it at 125 FOO / BTC | |
367 | # -> delta_in_base = 9 BTC | |
368 | # Action: "sell" "9 BTC" at rate "125" "FOO" on market | |
369 | ||
370 | delta = delta - filled | |
371 | # I already sold 4 BTC, only 5 left | |
372 | ||
373 | if close_if_possible is None: | |
374 | close_if_possible = (self.value_to == 0) | |
375 | ||
376 | if delta <= 0: | |
377 | self.market.report.log_error("prepare_order", message="Less to do than already filled: {}".format(delta)) | |
378 | return None | |
379 | ||
380 | order = Order(self.order_action(), | |
381 | delta, rate, base_currency, self.trade_type, | |
382 | self.market, self, close_if_possible=close_if_possible) | |
383 | self.orders.append(order) | |
384 | return order | |
385 | ||
386 | def as_json(self): | |
387 | return { | |
388 | "action": self.action, | |
389 | "from": self.value_from.as_json()["value"], | |
390 | "to": self.value_to.as_json()["value"], | |
391 | "currency": self.currency, | |
392 | "base_currency": self.base_currency, | |
393 | } | |
394 | ||
395 | def __repr__(self): | |
396 | if self.closed and not self.is_fullfiled: | |
397 | closed = " ❌" | |
398 | elif self.is_fullfiled: | |
399 | closed = " ✔" | |
400 | else: | |
401 | closed = "" | |
402 | ||
403 | return "Trade({} -> {} in {}, {}{})".format( | |
404 | self.value_from, | |
405 | self.value_to, | |
406 | self.currency, | |
407 | self.action, | |
408 | closed) | |
409 | ||
410 | def print_with_order(self, ind=""): | |
411 | self.market.report.print_log("{}{}".format(ind, self)) | |
412 | for order in self.orders: | |
413 | self.market.report.print_log("{}\t{}".format(ind, order)) | |
414 | for mouvement in order.mouvements: | |
415 | self.market.report.print_log("{}\t\t{}".format(ind, mouvement)) | |
416 | ||
417 | class Order: | |
418 | def __init__(self, action, amount, rate, base_currency, trade_type, market, | |
419 | trade, close_if_possible=False): | |
420 | self.action = action | |
421 | self.amount = amount | |
422 | self.rate = rate | |
423 | self.base_currency = base_currency | |
424 | self.market = market | |
425 | self.trade_type = trade_type | |
426 | self.results = [] | |
427 | self.mouvements = [] | |
428 | self.status = "pending" | |
429 | self.trade = trade | |
430 | self.close_if_possible = close_if_possible | |
431 | self.id = None | |
432 | self.tries = 0 | |
433 | ||
434 | def as_json(self): | |
435 | return { | |
436 | "action": self.action, | |
437 | "trade_type": self.trade_type, | |
438 | "amount": self.amount.as_json()["value"], | |
439 | "currency": self.amount.as_json()["currency"], | |
440 | "base_currency": self.base_currency, | |
441 | "rate": self.rate, | |
442 | "status": self.status, | |
443 | "close_if_possible": self.close_if_possible, | |
444 | "id": self.id, | |
445 | "mouvements": list(map(lambda x: x.as_json(), self.mouvements)) | |
446 | } | |
447 | ||
448 | def __repr__(self): | |
449 | return "Order({} {} {} at {} {} [{}]{})".format( | |
450 | self.action, | |
451 | self.trade_type, | |
452 | self.amount, | |
453 | self.rate, | |
454 | self.base_currency, | |
455 | self.status, | |
456 | " ✂" if self.close_if_possible else "", | |
457 | ) | |
458 | ||
459 | @property | |
460 | def account(self): | |
461 | if self.trade_type == "long": | |
462 | return "exchange" | |
463 | else: | |
464 | return "margin" | |
465 | ||
466 | @property | |
467 | def open(self): | |
468 | return self.status == "open" | |
469 | ||
470 | @property | |
471 | def pending(self): | |
472 | return self.status == "pending" | |
473 | ||
474 | @property | |
475 | def finished(self): | |
476 | return self.status.startswith("closed") or self.status == "canceled" or self.status == "error" | |
477 | ||
478 | @retry(InsufficientFunds) | |
479 | def run(self): | |
480 | self.tries += 1 | |
481 | symbol = "{}/{}".format(self.amount.currency, self.base_currency) | |
482 | amount = round(self.amount, self.market.ccxt.order_precision(symbol)).value | |
483 | ||
484 | if self.market.debug: | |
485 | self.market.report.log_debug_action("market.ccxt.create_order('{}', 'limit', '{}', {}, price={}, account={})".format( | |
486 | symbol, self.action, amount, self.rate, self.account)) | |
487 | self.results.append({"debug": True, "id": -1}) | |
488 | else: | |
489 | action = "market.ccxt.create_order('{}', 'limit', '{}', {}, price={}, account={})".format(symbol, self.action, amount, self.rate, self.account) | |
490 | try: | |
491 | self.results.append(self.market.ccxt.create_order(symbol, 'limit', self.action, amount, price=self.rate, account=self.account)) | |
492 | except InvalidOrder: | |
493 | # Impossible to honor the order (dust amount) | |
494 | self.status = "closed" | |
495 | self.mark_finished_order() | |
496 | return | |
497 | except InsufficientFunds as e: | |
498 | if self.tries < 5: | |
499 | self.market.report.log_error(action, message="Retrying with reduced amount", exception=e) | |
500 | self.amount = self.amount * D("0.99") | |
501 | raise e | |
502 | else: | |
503 | self.market.report.log_error(action, message="Giving up {}".format(self), exception=e) | |
504 | self.status = "error" | |
505 | return | |
506 | except Exception as e: | |
507 | self.status = "error" | |
508 | self.market.report.log_error(action, exception=e) | |
509 | return | |
510 | self.id = self.results[0]["id"] | |
511 | self.status = "open" | |
512 | ||
513 | def get_status(self): | |
514 | if self.market.debug: | |
515 | self.market.report.log_debug_action("Getting {} status".format(self)) | |
516 | return self.status | |
517 | # other states are "closed" and "canceled" | |
518 | if not self.finished: | |
519 | self.fetch() | |
520 | return self.status | |
521 | ||
522 | def mark_finished_order(self): | |
523 | if self.status.startswith("closed") and self.market.debug: | |
524 | self.market.report.log_debug_action("Mark {} as finished".format(self)) | |
525 | return | |
526 | if self.status.startswith("closed"): | |
527 | if self.trade_type == "short" and self.action == "buy" and self.close_if_possible: | |
528 | self.market.ccxt.close_margin_position(self.amount.currency, self.base_currency) | |
529 | ||
530 | def fetch(self): | |
531 | if self.market.debug: | |
532 | self.market.report.log_debug_action("Fetching {}".format(self)) | |
533 | return | |
534 | try: | |
535 | result = self.market.ccxt.fetch_order(self.id) | |
536 | self.results.append(result) | |
537 | self.status = result["status"] | |
538 | # Time at which the order started | |
539 | self.timestamp = result["datetime"] | |
540 | except OrderNotCached: | |
541 | self.status = "closed_unknown" | |
542 | ||
543 | self.fetch_mouvements() | |
544 | ||
545 | self.mark_finished_order() | |
546 | # FIXME: consider open order with dust remaining as closed | |
547 | ||
548 | def dust_amount_remaining(self): | |
549 | return self.remaining_amount() < Amount(self.amount.currency, D("0.001")) | |
550 | ||
551 | def remaining_amount(self): | |
552 | return self.amount - self.filled_amount() | |
553 | ||
554 | def filled_amount(self, in_base_currency=False): | |
555 | if self.status == "open": | |
556 | self.fetch() | |
557 | filled_amount = 0 | |
558 | for mouvement in self.mouvements: | |
559 | if in_base_currency: | |
560 | filled_amount += mouvement.total_in_base | |
561 | else: | |
562 | filled_amount += mouvement.total | |
563 | return filled_amount | |
564 | ||
565 | def fetch_mouvements(self): | |
566 | try: | |
567 | mouvements = self.market.ccxt.privatePostReturnOrderTrades({"orderNumber": self.id}) | |
568 | except ExchangeError: | |
569 | mouvements = [] | |
570 | self.mouvements = [] | |
571 | ||
572 | for mouvement_hash in mouvements: | |
573 | self.mouvements.append(Mouvement(self.amount.currency, | |
574 | self.base_currency, mouvement_hash)) | |
575 | ||
576 | def cancel(self): | |
577 | if self.market.debug: | |
578 | self.market.report.log_debug_action("Mark {} as cancelled".format(self)) | |
579 | self.status = "canceled" | |
580 | return | |
581 | if self.open and self.id is not None: | |
582 | try: | |
583 | self.market.ccxt.cancel_order(self.id) | |
584 | except OrderNotFound as e: # Closed inbetween | |
585 | self.market.report.log_error("cancel_order", message="Already cancelled order", exception=e) | |
586 | self.fetch() | |
587 | ||
588 | class Mouvement: | |
589 | def __init__(self, currency, base_currency, hash_): | |
590 | self.currency = currency | |
591 | self.base_currency = base_currency | |
592 | self.id = hash_.get("tradeID") | |
593 | self.action = hash_.get("type") | |
594 | self.fee_rate = D(hash_.get("fee", -1)) | |
595 | try: | |
596 | self.date = datetime.strptime(hash_.get("date", ""), '%Y-%m-%d %H:%M:%S') | |
597 | except ValueError: | |
598 | self.date = None | |
599 | self.rate = D(hash_.get("rate", 0)) | |
600 | self.total = Amount(currency, hash_.get("amount", 0)) | |
601 | # rate * total = total_in_base | |
602 | self.total_in_base = Amount(base_currency, hash_.get("total", 0)) | |
603 | ||
604 | def as_json(self): | |
605 | return { | |
606 | "fee_rate": self.fee_rate, | |
607 | "date": self.date, | |
608 | "action": self.action, | |
609 | "total": self.total.value, | |
610 | "currency": self.currency, | |
611 | "total_in_base": self.total_in_base.value, | |
612 | "base_currency": self.base_currency | |
613 | } | |
614 | ||
615 | def __repr__(self): | |
616 | if self.fee_rate > 0: | |
617 | fee_rate = " fee: {}%".format(self.fee_rate * 100) | |
618 | else: | |
619 | fee_rate = "" | |
620 | if self.date is None: | |
621 | date = "No date" | |
622 | else: | |
623 | date = self.date | |
624 | return "Mouvement({} ; {} {} ({}){})".format( | |
625 | date, self.action, self.total, self.total_in_base, | |
626 | fee_rate) | |
627 |