BBGO scaleQuantity, linear scale, exponential scale example on MAXUSDT market

bbgo.yaml

---
notifications:
  slack:
    defaultChannel: "dev-bbgo"
    errorChannel: "bbgo-error"

riskControls:
  # This is the session-based risk controller, which let you configure different risk controller by session.
  sessionBased:
    # "max" is the session name that you want to configure the risk control
    max:
      # orderExecutor is one of the risk control
      orderExecutor:
        # symbol-routed order executor
        bySymbol:
          MAXUSDT:
            # basic risk control order executor
            basic:
              minQuoteBalance: 1000.0
              maxBaseAssetBalance: 200_000
              minBaseAssetBalance: 10_000
              maxOrderAmount: 10_000

persistence:
  json:
    directory: var/data
  redis:
    host: 127.0.0.1
    port: 6379
    db: 0

exchangeStrategies:
- on: max
  grid:
    symbol: MAXUSDT
    scaleQuantity:
      byPrice:
        # replace "linear" with "exp" if you want exponential scale
        linear:
          # x = 價格變動範圍，從價格 0.300 到價格 0.400
          domain: [0.300, 0.400]
          # f(x) = 量從 1000.0 顆掛價格 0.300 到 200.0 顆掛價格 0.400
          range: [1000.0, 200.0]
    gridNumber: 100
    profitSpread: 0.008
    upperPrice: 0.400
    lowerPrice: 0.300
    
    # 作多 MAX, 獲利留在 MAX token
    long: true
    
    # 一開始只掛買單, 適用 v1.14.0
    side: buy
    
    # 啟用追價, 適用 v1.14.0
    catchUp: true
    
    # 把網格掛單存在 redis, 適用 v1.14.0
    persistence:
      type: redis
      store: dev