1124 Commits

Author	SHA1	Message	Date
Andy Cheng	f7feb7e0fc	strategy/supertrend: output acc. profit report to tsv file	2022-08-16 14:42:04 +08:00
Zenix	2e9f554f9e	Merge pull request #878 from zenixls2/drift_rebase ... Drift rebase	2022-08-16 15:35:42 +09:00
zenix	17d6b2465c	fix: drift add back symbol in InstanceID	2022-08-16 12:50:30 +09:00
zenix	14aa667d59	fix: drift pnl and cumpnl	2022-08-16 12:45:40 +09:00
zenix	9f8b8d97d0	fix: drift empty pnl. exit condition	2022-08-16 12:30:29 +09:00
zenix	71d3b926ec	fix: go1.7	2022-08-15 21:46:13 +09:00
zenix	c1d9df8cdb	feature: export drift1m, remove take profit, add profit report for listing pnl by date	2022-08-15 21:06:46 +09:00
zenix	da28750313	feature: dump parameter to tg, esp series, fix: order tag, position calculation and bp/sp of drift	2022-08-15 21:05:29 +09:00
zenix	2f75dda6ee	fix: highest price and lowest price reset, condition gets crossed	2022-08-15 21:05:08 +09:00
zenix	ba532bd98c	fix: takeProfitFactor NaN	2022-08-15 21:04:48 +09:00
zenix	e34b0c6c30	fix: drift pnl calculation and graph drawing, filter periods other than s.Interval and 1m	2022-08-15 21:04:31 +09:00
zenix	0cc3c5d485	feature: output config to telegram	2022-08-15 21:04:01 +09:00
zenix	6a4eec71d6	feature: create simpleinteract and remove command in notification	2022-08-15 21:03:48 +09:00
zenix	90e596f463	feature: send photo through telegram, register handler dynamically in strategy, fix canvas rendering	2022-08-15 21:03:14 +09:00
zenix	008814992f	fix: date parsing in tradingview, feature: enforce trailingstop in drift, add rebalance prototype	2022-08-15 21:02:59 +09:00
zenix	d11738b6b5	feature: add smart cancel to drift	2022-08-15 21:02:43 +09:00
ankion	65218d8920	pivotshort: trendema add length check	2022-08-12 00:54:40 +08:00
ankion	1b0f653450	pivotshort: trendema add initial date	2022-08-11 16:42:29 +08:00
c9s	3bdc6c7f28	bollmaker: remove unused embedded struct	2022-08-10 23:46:24 +08:00
Yo-An Lin	62aff676da	Revert "feature: add smart cancel to drift"	2022-08-09 16:25:36 +08:00
zenix	5be6e822e9	fix: highest price and lowest price reset, condition gets crossed	2022-08-09 13:26:56 +09:00
zenix	2c4e03a102	fix: takeProfitFactor NaN	2022-08-09 13:26:56 +09:00
zenix	0e3aecb549	fix: drift pnl calculation and graph drawing, filter periods other than s.Interval and 1m	2022-08-09 13:26:56 +09:00
zenix	9704c09a09	feature: output config to telegram	2022-08-09 13:26:56 +09:00
zenix	45e819ebe7	feature: create simpleinteract and remove command in notification	2022-08-09 13:26:56 +09:00
zenix	4117a83cd1	feature: send photo through telegram, register handler dynamically in strategy, fix canvas rendering	2022-08-09 13:26:56 +09:00
zenix	214e7259ed	fix: date parsing in tradingview, feature: enforce trailingstop in drift, add rebalance prototype	2022-08-09 13:26:56 +09:00
zenix	53d4f21c30	feature: add smart cancel to drift	2022-08-09 13:26:56 +09:00
Andy Cheng	ef18791c6a	Merge pull request #865 from andycheng123/fix/protective-stoploss ... fix: protectivestoploss not working on long position	2022-08-09 12:15:33 +08:00
austin362667	bb4db871b2	factorzoo: add comments for strategy ... factorzoo: add comments for strategy	2022-08-09 00:01:34 +08:00
austin362667	d282568614	factorzoo: add customized indicators	2022-08-08 23:50:42 +08:00
austin362667	bdb04a4322	strategy: factorzoo: refactor to logistic regression ... re-format	2022-08-08 20:09:15 +08:00
Andy Cheng	5455ae810b	strategy/supertrend: only show nterval profit report in backtesting	2022-08-08 17:42:21 +08:00
Andy Cheng	c6407e92c8	strategy/supertrend: supertrend indicator adapted new indicator API	2022-08-08 13:07:59 +08:00
Andy Cheng	9d0eecc5bc	strategy/supertrend: linreg adapted new indicator API	2022-08-08 12:43:38 +08:00
Andy Cheng	737f6e99ba	strategy/supertrend: use CalculateQuoteQuantity() in strategy	2022-08-05 16:28:42 +08:00
Andy Cheng	b564e69f82	strategy/supertrend: add CalculateQuoteQuantity()	2022-08-05 15:59:20 +08:00
Andy Cheng	eb57e80119	strategy/supertrend: different qty calculation for spot and leveraged	2022-08-05 15:11:15 +08:00
Andy Cheng	550f2f3fd7	strategy/supertrend: adapt risk.AccountValueCalculator	2022-08-05 11:47:36 +08:00
Andy Cheng	9369ad3155	strategy/supertrend: adapt SetIntervalProfitCollector	2022-08-04 10:39:52 +08:00
Andy Cheng	5d1bfc6010	strategy/supertrend: add last period accumulated profit report	2022-08-03 15:31:20 +08:00
Andy Cheng	dc9ecdd6ca	strategy/supertrend: add accumulated profit SMA report	2022-08-03 14:04:30 +08:00
c9s	55a128ea90	pivotshort: use bbgo notify instead of just info log	2022-07-30 18:14:53 +08:00
c9s	8873101752	pivotshort: move trendEMA log	2022-07-30 18:02:28 +08:00
c9s	efaf8e9559	pivotshort: add more logs	2022-07-30 13:14:29 +08:00
c9s	bd754e1714	pivotshort: use infof log	2022-07-29 16:13:57 +08:00
Fredrik	b324149db2	added SideEffectTypeAutoRepay to supportTakeProfit	2022-07-29 09:41:35 +02:00
zenix	d46267aff9	feature: use ma for tp coefficient, rewrite trailing stop for drift, export all window param to yaml	2022-07-28 19:34:12 +09:00
c9s	30978ecbd4	pivotshort: check TrendEMA pointer	2022-07-28 11:29:27 +08:00
c9s	d61047cd26	pivotshort: add maxGradient config to trendEMA	2022-07-28 10:27:16 +08:00
c9s	5fa2606357	pivotshort: rename kLineClosedStop to fakeBreakStop	2022-07-28 09:29:10 +08:00
c9s	151d907457	use debug log for trendEMA	2022-07-27 19:22:56 +08:00
c9s	c65456e44b	pivotshort: refactor and add trendEMA to resistance short	2022-07-27 19:22:56 +08:00
c9s	2719c86400	pivotshort: drop unused tail function	2022-07-27 19:22:56 +08:00
c9s	5821dd02cb	pivotshort: fix log format	2022-07-27 19:22:56 +08:00
c9s	9b35c789ee	pivotshort: add total quantity to the notification	2022-07-27 19:22:55 +08:00
c9s	b067c02cf0	pivotshort: fix resistance order quantity calculation	2022-07-27 19:22:55 +08:00
c9s	a9eef3fb93	pivotshort: fix pivot low usage	2022-07-27 19:22:55 +08:00
Yo-An Lin	3aeb6912c9	Merge pull request #846 from c9s/strategy/pivotshort ... strategy/pivotshort: refactor breaklow + add fake break stop	2022-07-27 12:18:50 +08:00
c9s	4c6fe11796	pivotshort: rename ClosedKLineStop to fake break stop	2022-07-27 12:04:54 +08:00
c9s	7438798390	bbgo: add ClosedKLineStop trigger	2022-07-27 11:47:12 +08:00
c9s	f323e91a56	pivotshort: fix resistance short	2022-07-27 11:30:32 +08:00
Yo-An Lin	4fd571d712	Merge pull request #813 from zenixls2/feature/drift_study ... feature: drift study	2022-07-27 11:29:48 +08:00
zenix	84c7c0596d	fix: fix drift naming style, fix kline Copy -> Set	2022-07-27 12:17:33 +09:00
c9s	ac496e8488	pivotshort: refactor pivot low collector	2022-07-27 01:57:28 +08:00
c9s	b746f801f7	pivotshort: get the correct pivot low value	2022-07-27 01:56:18 +08:00
c9s	854af6b4bd	pivotshort: use new config struct stopEMA and trendEMA	2022-07-27 01:53:53 +08:00
c9s	6f64b6d08e	pivotshort: introduce new config struct	2022-07-27 01:51:47 +08:00
c9s	2822e39e7b	pivotshort: remove the legacy preloadPivot	2022-07-26 19:00:09 +08:00
c9s	3959e288fd	all: refactor standard indicator helper and fix tests	2022-07-26 18:35:50 +08:00
zenix	85f8b9510d	fix: gofmt	2022-07-26 18:00:05 +09:00
zenix	4dd4c5823f	fix: unlock lock to get latest price	2022-07-26 18:00:05 +09:00
zenix	2ceb24ad09	fix: panic on image drawing, reduce fee by smoothing the drift curve	2022-07-26 18:00:05 +09:00
zenix	553a55811c	fix: buyPrice/sellPrice calculation on one order multiple trades	2022-07-26 18:00:05 +09:00
zenix	a8fe20ae3a	fix: drift exit condition, trade_stats serialization in redis	2022-07-26 18:00:05 +09:00
zenix	a5039de6aa	feature: add omega ratio, print sharpe/omega/interval profit from trade_stats, use stdev for high/low diff for drift to estimate the variance and improve profit, add yaml marshal for dnum fixedpoint	2022-07-26 18:00:05 +09:00
zenix	b6fb5e958d	feature: deduct fee from entry, move StopLoss orders cleanup to the begin of close position function	2022-07-26 18:00:05 +09:00
zenix	ac5c7f5773	feature: add pnl / cummulative pnl graph, add continuous graph	2022-07-26 18:00:05 +09:00
zenix	62aac8ecc4	fix: indicator limits	2022-07-26 18:00:05 +09:00
zenix	0d65fe1b8a	feature: trailing stop, print mean and modify normalization function of output graph	2022-07-26 18:00:05 +09:00
zenix	c6563aa9bd	feature: add stoploss from stopPrice	2022-07-26 18:00:05 +09:00
zenix	9c73aa4adb	fix: fine tune drift config. fix atr updating issue	2022-07-26 18:00:05 +09:00
zenix	b52208d7b6	fix: bug in wrong channel subscription in drift	2022-07-26 18:00:05 +09:00
zenix	7368069c7a	fix: add persistence to drift	2022-07-26 18:00:05 +09:00
zenix	f2d37650a5	fix: drift bias on long entry position condition, make cancel faster	2022-07-26 18:00:05 +09:00
zenix	e097421b7b	feature: export canvas path for drift strategy. fix exit/entry order and fix missing columns from json parsing	2022-07-26 18:00:05 +09:00
zenix	7310feb0de	fix: highest price normalization in drift strategy	2022-07-26 18:00:05 +09:00
zenix	c51a99400d	feature: add plot for series. add autocorrelation. add clone for indicators/series	2022-07-26 18:00:05 +09:00
zenix	69b45e90e9	add drift exit condition	2022-07-26 18:00:05 +09:00
zenix	6a9e00ebd4	fix: update drift strategy	2022-07-26 18:00:05 +09:00
zenix	0ae6b6736c	feature: use drift indicator to create basic strategy for study	2022-07-26 18:00:05 +09:00
c9s	44c3e5a6f7	indicator: split pivot low indicator	2022-07-26 16:50:45 +08:00
Yo-An Lin	9bf48e9de4	Merge pull request #822 from c9s/fix/api-upgrade ... refactor: ewoDgtrd: upgrade order executor api	2022-07-26 14:33:06 +08:00
c9s	8986eeb3a4	bollmaker: apply kline filter closure	2022-07-26 12:08:47 +08:00
c9s	c252a7dcf9	bollmaker: fix log format issue	2022-07-26 12:08:47 +08:00
c9s	d26dd2f1da	bollmaker: remove status change setter	2022-07-26 12:08:47 +08:00
c9s	83c8bc819a	all: drop the legacy smart stops	2022-07-26 12:08:47 +08:00
c9s	c3b6cb80c3	bollmaker: upgrade bollmaker exits methods	2022-07-26 12:08:47 +08:00
c9s	6ae0620730	bollmaker: integrate exits method to bollmaker	2022-07-26 12:08:47 +08:00
c9s	549e28079b	autoborrow: call Debt() for repay	2022-07-26 11:49:04 +08:00
Yo-An Lin	2e7ed9f583	Merge pull request #840 from andycheng123/fix/supertrend-strategy ... strategy/supertrend: fix exit methods problem	2022-07-25 15:14:22 +08:00
c9s	0d5d92b26d	pivotshort: fix tail function	2022-07-25 15:02:59 +08:00
Andy Cheng	07959c8862	strategy/supertrend: fix exit methods problem	2022-07-25 14:11:55 +08:00
c9s	36cfaa924d	risk: move leverage quantity calculation to the risk package	2022-07-22 11:55:24 +08:00
c9s	54affd2f99	pivotshort: quantity calculation -- sub debt	2022-07-22 11:47:48 +08:00
c9s	76def2fe9d	pull out AccountValueCalculator	2022-07-21 19:46:58 +08:00
c9s	15879adf3b	pivotshort: fix trade loss ratio	2022-07-21 13:17:46 +08:00
c9s	88c0f31e87	pivotshort: add trade loss to the quantity calculating	2022-07-21 13:05:46 +08:00
c9s	756fcb4807	pivotshort: fix min leverage protection	2022-07-21 13:04:19 +08:00
c9s	b6d0482517	pivotshort: add more logs and check	2022-07-21 12:05:05 +08:00
c9s	ea4efccd89	schedule: use general order executor and fix notification message format	2022-07-19 17:38:32 +08:00
c9s	f72cf9bfff	pivotshort: fix quantity check	2022-07-19 11:25:27 +08:00
c9s	29fc58cb18	autoborrow: fix repay amount	2022-07-18 19:14:31 +08:00
c9s	6e4c28ed1b	disable marketTrade stop	2022-07-17 00:59:35 +08:00
c9s	a370a5e489	pivotshort: fix on start handler	2022-07-14 18:36:28 +08:00
c9s	89ffd94d98	update pivotlow on start	2022-07-14 18:35:58 +08:00
Yo-An Lin	191e00adeb	Merge pull request #827 from c9s/strategy/pivotshort ... strategy/pivotshort: improve quantity calculation for margin and futures	2022-07-14 18:16:48 +08:00
c9s	c4332fcac2	pivotshort: add leverage settings	2022-07-14 17:44:33 +08:00
c9s	adb96cac39	pivotshort: check maximum margin leverage	2022-07-14 17:38:11 +08:00
c9s	6c91af2392	pivotshort: improve useQuantityOrBaseBalance	2022-07-14 17:36:03 +08:00
c9s	0ba529cb45	pivotshort: replace orders if the active orders is empty	2022-07-14 16:34:03 +08:00
c9s	8fb216ce52	pivotshort: when resistance order is filled, reset the current resistance price	2022-07-14 16:28:30 +08:00
c9s	2ef8ecf3d9	indicator: clean up bollinger band indicator api usage	2022-07-14 14:26:08 +08:00
c9s	a5715c6aee	indicator: rewrite boll indicator with stddev indicator	2022-07-14 14:26:08 +08:00
c9s	cb481c660f	fix all indicators for KLineCalculateUpdater interface	2022-07-14 10:28:53 +08:00
c9s	2a3118a086	indicator: clean up and update calculator method names	2022-07-14 09:18:42 +08:00
c9s	c27f416dbc	indicator: canonicalize the CalculateAndUpdate method call ... also fix the xmaker boll indicator preloading	2022-07-14 09:18:42 +08:00
c9s	1152fae346	ewoDgtrd: upgrade order executor api	2022-07-14 01:36:02 +08:00
c9s	cecb278aa1	autoborrow: use info logger for the margin level info	2022-07-13 13:34:59 +08:00
c9s	ee163eb441	pivotshort: add trendEMA protection	2022-07-13 11:09:57 +08:00
c9s	f5f6fabe07	pivotshort: add trendEMA and add stopEMA subscribe	2022-07-13 10:49:52 +08:00
Yo-An Lin	8119afbb44	Merge branch 'main' into strategy/pivotshort	2022-07-12 23:38:23 +08:00
c9s	6ce9f6a2b7	fix FilterSimpleArgs	2022-07-12 17:55:15 +08:00
c9s	b521a7cf70	pivotshort: fix resistance price update algo	2022-07-12 17:45:47 +08:00
c9s	da4b35bd31	pivotshort: add 1m subscribe	2022-07-12 17:45:47 +08:00
Yo-An Lin	1ef2c1d668	Merge pull request #811 from andycheng123/fix/supertrend-strategy ... strategy/supertrend: fix double dema initialization problem	2022-07-12 13:13:19 +08:00
c9s	28d9aa6820	autoborrow: show margin level when check	2022-07-11 16:26:25 +08:00
c9s	3f15df4c0e	autoborrow: fix repay balance check	2022-07-11 16:22:21 +08:00
c9s	98aaa6ce43	autoborrow: fix repay mech	2022-07-11 16:20:45 +08:00
Andy Cheng	1b5dc309f0	strategy/supertrend: fix double dema initialization problem	2022-07-11 13:37:01 +08:00
Yo-An Lin	eacbd13e6b	Merge pull request #810 from andycheng123/fix/supertrend-strategy	2022-07-08 21:03:01 +08:00
c9s	59fcef0b6d	supertrend: avoid using embedded struct on DoubleDema	2022-07-08 17:13:12 +08:00
Andy Cheng	574e142cf9	strategy/supertrend: use types.IntervalWindow instead of types.Interval	2022-07-08 16:42:31 +08:00
c9s	79b70d4a31	supertrend: fix interval window for exit methods	2022-07-08 16:31:28 +08:00
c9s	46d6ecc663	fix types.TradeStats usage	2022-07-08 15:44:32 +08:00
c9s	581e4be218	supertrend: clean up and update	2022-07-08 15:41:28 +08:00
Andy Cheng	f8777752a0	Merge branch 'main' into improve/supertrend-strategy	2022-07-07 10:33:30 +08:00
c9s	81560746bd	all: reformat code	2022-07-07 02:26:39 +08:00
c9s	74593720a7	add ExitMethodSet.Bind method	2022-07-07 02:26:39 +08:00
Andy Cheng	c43d4e0b24	strategy/supertrend: func to get order side	2022-07-06 18:11:09 +08:00
Andy Cheng	8aa5b706b6	strategy/supertrend: fix double dema missing interval	2022-07-06 17:05:38 +08:00
Andy Cheng	6c93c42ef6	strategy/supertrend: pull double dema into a single file	2022-07-06 16:45:19 +08:00
Andy Cheng	c62e7bbb58	strategy/supertrend: refactor to smaller functions	2022-07-06 16:26:30 +08:00
c9s	2bc12c0522	add trailing stop and it's test cases with gomock ... Signed-off-by: c9s <yoanlin93@gmail.com>	2022-07-06 03:04:01 +08:00
Andy Cheng	2de16ac7d1	strategy/supertrend: fix missing Bind() of DEMA	2022-07-05 17:11:58 +08:00
Andy Cheng	91077ce61d	strategy/supertrend: add ExitMethod	2022-07-05 16:55:48 +08:00
Andy Cheng	f0dc9d6147	strategy/supertrend: add TradeStats	2022-07-05 16:30:13 +08:00
Andy Cheng	5b3ba03042	strategy/supertrend: preload indicators	2022-07-05 16:25:02 +08:00
Andy Cheng	0a0e5ac4d8	strategy/supertrend: config switch for stop by different signals	2022-07-05 15:59:35 +08:00
c9s	193703a9a0	all: use tradeStats constructor	2022-07-05 11:14:50 +08:00
c9s	3a37154737	pivotshort: fix supportTakeProfit binding	2022-07-04 02:20:15 +08:00
c9s	81f9639c85	pivotshort: bind supportTakeProfit method	2022-07-03 17:22:29 +08:00
c9s	278fbb7b51	pivotshort: fix support take profit method	2022-07-03 17:13:01 +08:00
c9s	74cac6e977	pivotshort: adjust layer price calculation	2022-07-03 15:44:37 +08:00
c9s	a408b20eda	fix resistance price calculation	2022-07-03 15:26:05 +08:00
c9s	1e8ac0d08a	pivotshort: improve price grouping	2022-07-02 18:51:17 +08:00
c9s	f940bb8e0a	implement SupportTakeProfit method	2022-07-02 13:21:27 +08:00
c9s	004e6b0e0b	pivotshort: fix findNextResistancePriceAndPlaceOrders	2022-07-02 00:28:41 +08:00
c9s	f1867b02c3	pivotshort: fix message	2022-07-01 18:10:39 +08:00
c9s	9a11fd59ed	pivotshort: fix open close price compare	2022-07-01 17:43:51 +08:00
c9s	53204f47ea	bollmaker: remove legacy state loading	2022-07-01 17:28:48 +08:00
c9s	04df515aea	pivotshort: clean up and force kline direction	2022-07-01 17:26:45 +08:00
c9s	9374125712	pivotshort: pull out break low logics ... Signed-off-by: c9s <yoanlin93@gmail.com>	2022-07-01 17:22:09 +08:00
c9s	7f5e92d1b5	cancel order when shutdown	2022-07-01 16:29:03 +08:00
c9s	c792da2164	pivotshort: improve balance check for margin	2022-07-01 15:41:50 +08:00
c9s	09ba2d31c3	pivortshort: run placeResistanceOrders with margin borrow buy	2022-07-01 15:34:21 +08:00
c9s	1af18a5fac	pivotshort: fix breakLow handle event	2022-07-01 15:30:06 +08:00
c9s	503d851c9d	pivotshort: move resistance short to a single file	2022-07-01 01:24:34 +08:00
c9s	454036b166	use types.KLineWith to wrap callbacks	2022-07-01 01:06:10 +08:00
c9s	a4af4776d2	pivotshort: use active orderbook to maintain the resistance orders	2022-07-01 00:57:19 +08:00
c9s	3e6b975c2c	pivotshort: refactor ResistanceShort entry method	2022-06-30 18:29:02 +08:00
Andy Cheng	1573a9acf3	strategy/supertrend: add linear regression as filter	2022-06-30 16:35:00 +08:00
c9s	b15e8d0ce4	all: refactor exit method set and fix dynamic call/merge ... Signed-off-by: c9s <yoanlin93@gmail.com>	2022-06-30 15:49:18 +08:00
c9s	527070d13d	all: rewrite and clean up graceful shutdown api	2022-06-30 15:49:18 +08:00
c9s	7d5474e3dd	pivotshort: call MergeStructValues to update the field value	2022-06-30 15:49:18 +08:00
c9s	ab3341d5ae	pivotshort: make preload pivot as a pure function	2022-06-30 15:49:17 +08:00
c9s	9733eec280	pivotshort: move pure funcs to the bottom	2022-06-30 15:49:17 +08:00
c9s	38767cd2df	move private methods to the bottom	2022-06-30 15:49:17 +08:00
c9s	ee45f154a1	pivotshort: rename bounce short to resistance short	2022-06-30 15:49:17 +08:00
zenix	0141f81086	refactor: ewo use SeriesExtend	2022-06-29 22:02:50 +09:00
zenix	70f4676340	feature: extend indicators, extend seriesbase methods	2022-06-29 21:49:02 +09:00
Yo-An Lin	ccfaf0e070	Merge pull request #784 from c9s/strategy/pivotshort ... strategy: pivotshort: fix stopEMA	2022-06-29 17:04:24 +08:00
c9s	4bb2e4a25f	fix stopEMA range check	2022-06-29 16:59:50 +08:00
c9s	cb1c5634a2	pivotshort: remove redundant notification	2022-06-29 15:14:24 +08:00
Zenix	6b6686caa8	Merge pull request #778 from zenixls2/feature/series_extend ... feature: add seriesExtend	2022-06-29 12:35:48 +09:00
c9s	38920dfc7a	pivotshort: fix kline history loading	2022-06-29 11:23:05 +08:00
zenix	0b8441f4a2	rename: ToArray -> Array, ToReverseArray -> Reverse	2022-06-29 11:13:43 +09:00
c9s	16f2a06b1f	all: move exit methods to the bbgo core ... Signed-off-by: c9s <yoanlin93@gmail.com>	2022-06-29 01:58:15 +08:00
c9s	cfc4fd1f81	add doc for CumulatedVolumeTakeProfit	2022-06-29 01:39:33 +08:00
c9s	3d4f765678	rename protectionStopLoss to protectiveStopLoss	2022-06-29 01:31:56 +08:00