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Exchanges: Add in exchange defined tolerance settings (#647)

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* Exchanges: Add in exchange defined tolerance settings to conform to min max amounts/price/notional etc (Initial)

* Add to tests fix linter

* Binance: Implement CMF and usdtMarginFutures fetching of currency information, addr nits

* binance: Add in test for tolerance set up

* exchanges: add in more tolerance settings and add tests

* nits: addr

* fix linter issue

* RPCServer: Use ordermanager instead of going direct to exchange

* Nits: Addr

* nits: glorious addr phase one

* nits: glorious nits phase 2

* exchange: move tolerance -> limits in order package add wrapper function, split binance functions to asset files

* nits: Addr thrasher + also include locking of limits struct when we update via syncer later on

* nits: mdc addr

* nits: glorious nits

* limits: unexport mutex

* limit: revert maths optim. and fix spelling

* limit: Add decimal package

* limit: don't check price on market order

* Orders: Add order execution checks on fake orders so as to always conform to tight specifications even in simulation

* binance: handle case where spot is not enabled but margin is

* backtester: add in amount conforming to back tested events to simulate realistic orders

* rm ln

* order limit: return amount when limit is nil and conformToAmount is requested

* nits: glorious nits + friends

* backtester/orders: fix tests

* nits: glorious nits

* nits: glorious nits

* RMLINE

* nits: more glorious nits!

* nits: pooosh

* binance: fix margin logic

* nits: Add warning, settings log and report item for exchange order execution limits

* backtester: add specific warnings in report output

* backtest: Adjust warnings
This commit is contained in:
Ryan O'Hara-Reid
2021-03-25 15:47:15 +11:00
committed by GitHub
parent 3c72a199f2
commit 881bab2d5a
40 changed files with 1193 additions and 105 deletions
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5
exchanges/interfaces.go
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@@ -75,7 +75,6 @@ type IBotExchange interface {
GetHistoricCandlesExtended(p currency.Pair, a asset.Item, timeStart, timeEnd time.Time, interval kline.Interval) (kline.Item, error)
DisableRateLimiter() error
EnableRateLimiter() error
// Websocket specific wrapper functionality
// GetWebsocket returns a pointer to the websocket
GetWebsocket() (*stream.Websocket, error)
@@ -87,4 +86,8 @@ type IBotExchange interface {
// pair,asset, url/proxy or subscription change
FlushWebsocketChannels() error
AuthenticateWebsocket() error
// Exchange order related execution limits
GetOrderExecutionLimits(a asset.Item, cp currency.Pair) (*order.Limits, error)
CheckOrderExecutionLimits(a asset.Item, cp currency.Pair, price, amount float64, orderType order.Type) error
UpdateOrderExecutionLimits(a asset.Item) error
}