风险过高的单，放弃

kucoinStrategy3.js

@@ -138,6 +138,15 @@ class BiboxStrategy3 extends Strategy3 {
   _getMinMargin(){
     return 0.08;
   }
+  _giveUpOrder(baseCurrency1, midCurrency, baseCurrency2,totalMarginRate,buyDepth,sellDepth){
+    const sellDepth  = this.collector.getDepth(midCurrency, baseCurrency2, 2);
+    const possibleLoss = (sellDepth[0][1] - sellDepth[1][1])/sellDepth[0][1];
+    if(possibleLoss > totalMarginRate){
+      console.log(`此单风险过高，放弃。损失率${possibleLoss}`);
+      return true;
+    }
+    return super._giveUpOrder(baseCurrency1,midCurrency,baseCurrency2,totalMarginRate,buyDepth,sellDepth);
+  }
 
   _needConsiderDepthCount(){
     return [[2,1],[3,2,1],[2,1]];