UML

聚合

MarkPrice

Converter

DataProvider

+ futureAssets+ symbol+ marginAsset+ currentLeverage+ currentMarkPrice+ firstBid+ firstAsk+ maxNotionalAtCurrentLeverage

+ getDataFromServer(params): Promise<T)

依赖

BatchAPI

+ marketInfo+ miniTicker+ markPrice

+batchAPI

OrderBookService

- dataProvider- placeOrderManager- calculator

+ init(params):PlaceOrderService+ placeOrder(params)+ change(params)+ getDataFromServer(params): Promise<T)

OrderBook

Calculator

+ roe(params): Decimal+ pnl(params): Decimal+ liquidationPrice(params): Decimal

API

PositionInteractor

- positionService- calculator

+ futureAssets+ symbol+ marginAsset+ currentLeverage+ currentMarkPrice+ orderbook+ maxNotionalAtCurrentLeverage+ futureAssets: [BinanceFutureAsset]+ brackets: [BinanceFutureBracket.FutureRiskBrackets]+ markPriceMap: [String: BinanceFutureRate]+ marketInfoMap: [String: FutureMarketInfo]

PlaceOrderService

- dataProvider- placeOrderManager- calculator- config: PlaceOrderConfig

+ init(params config):PlaceOrderService+ placeOrder(params)+ change(params)+ getDataFromServer(params): Promise<T)

关联

CrossCalculator

+ roe(params): Decimal+ pnl(params): Decimal+ liquidationPrice(params): Decimal+ maxAddMargin: Decimal+ maxRemoveMargin: Decimal

UserListenKey

PlaceOrderInteractor

- placeOrderService- placeOrderManager- calculator

泛化（继承）

实现

组合

UM

- config

PositionModule

+ availableBalance: Decimal

MiniTickers

DataCollector

+ mode+ inputPrice+ amount

+ placeOrder(params)+ change(params)

OnewayCalculator

+ availableBalance: Decimal+ maxBuy: Decimal+ maxSell: Decimal+ cost: Decimal

Header

HedgeCalculator

+ availableBalance: Decimal+ maxOpenShort: Decimal+ openShortCost: Decimal+ maxOpenLong: Decimal+ openLongCost: Decimal

PositoinService

EmegencyService

+ getEmegencyStatus()

可简化

待定

IsolatedCalculator

+ crossMargin(params): Decimal+ roe(params): Decimal+ pnl(params): Decimal+ liquidationPrice(params): Decimal

Switch Symbol

PlaceOrder

BusinessConfiguration?

+ var isOpenAccount+ var positionMode+ var baseUnit

+ refreshIsOpenAccount+ getPositionMode+ getBaseUnit+ changePositionMode+ changeBaseUnit