보조지표 소수점 추가, cci 수정

backend/src/main/java/com/goldenchart/service/CciOnSourceIndicator.java

@@ -0,0 +1,45 @@
+package com.goldenchart.service;
+
+import org.ta4j.core.BarSeries;
+import org.ta4j.core.Indicator;
+import org.ta4j.core.indicators.CachedIndicator;
+import org.ta4j.core.indicators.averages.SMAIndicator;
+import org.ta4j.core.indicators.statistics.MeanDeviationIndicator;
+import org.ta4j.core.num.Num;
+
+/**
+ * TradingView/업비트 CCI — 임의 가격 소스에 대해
+ * (src - SMA) / (0.015 × MeanDeviation) 계산.
+ */
+public class CciOnSourceIndicator extends CachedIndicator<Num> {
+
+    private final Indicator<Num> price;
+    private final SMAIndicator sma;
+    private final MeanDeviationIndicator meanDeviation;
+    private final Num factor;
+    private final int barCount;
+
+    public CciOnSourceIndicator(Indicator<Num> price, int barCount) {
+        super(price);
+        this.price = price;
+        this.barCount = barCount;
+        this.factor = getBarSeries().numFactory().numOf(0.015);
+        this.sma = new SMAIndicator(price, barCount);
+        this.meanDeviation = new MeanDeviationIndicator(price, barCount);
+    }
+
+    @Override
+    protected Num calculate(int index) {
+        final Num meanDeviation = this.meanDeviation.getValue(index);
+        if (meanDeviation.isZero()) {
+            return getBarSeries().numFactory().zero();
+        }
+        return price.getValue(index).minus(sma.getValue(index))
+                .dividedBy(meanDeviation.multipliedBy(factor));
+    }
+
+    @Override
+    public int getCountOfUnstableBars() {
+        return barCount - 1;
+    }
+}

backend/src/main/java/com/goldenchart/service/IndicatorService.java

@@ -396,10 +396,10 @@ public class IndicatorService {
      */
     private Map<String, List<PlotPoint>> calcCCI(BarSeries s, Map<String, Object> p) {
         int    len    = intP(p, "length", 13);
-        int    maLen  = intP(p, "maLength", 20);
+        int    maLen  = intP(p, "maLength", 10);
         String maType = p.getOrDefault("maType", "SMA").toString();
 
-        CCIIndicator cci = new CCIIndicator(s, len);
+        CciOnSourceIndicator cci = new CciOnSourceIndicator(src(s, p), len);
 
         Indicator<Num> maInd = switch (maType) {
             case "EMA"  -> new EMAIndicator(cci, maLen);

backend/src/main/java/com/goldenchart/service/StrategyDslToTa4jAdapter.java

@@ -599,10 +599,11 @@ public class StrategyDslToTa4jAdapter {
         // CCI — 기간 접미사(CCI_VALUE_13) 또는 기본 CCI_VALUE
         if (field.startsWith("CCI_VALUE_")) {
             int period = parseTrailingInt(field, "CCI_VALUE_", intP(p, "length", 13));
-            return new CCIIndicator(s, period);
+            return new CciOnSourceIndicator(resolvePriceSource(s, p), period);
         }
         if (field.equals("CCI_VALUE") || indType.equals("CCI"))
-            return new CCIIndicator(s, periodOverride > 0 ? periodOverride : intP(p, "length", 13));
+            return new CciOnSourceIndicator(resolvePriceSource(s, p),
+                    periodOverride > 0 ? periodOverride : intP(p, "length", 13));
         // RSI — 기간 접미사(RSI_VALUE_9) 또는 기본 RSI_VALUE
         if (field.startsWith("RSI_VALUE_")) {
             int period = parseTrailingInt(field, "RSI_VALUE_", intP(p, "length", 14));
@@ -865,6 +866,17 @@ public class StrategyDslToTa4jAdapter {
 
     // ── TRIX 헬퍼 ─────────────────────────────────────────────────────────────
 
+    private Indicator<Num> resolvePriceSource(BarSeries s, Map<String, Object> p) {
+        return switch (p.getOrDefault("src", "close").toString()) {
+            case "open"  -> new OpenPriceIndicator(s);
+            case "high"  -> new HighPriceIndicator(s);
+            case "low"   -> new LowPriceIndicator(s);
+            case "hl2"   -> new MedianPriceIndicator(s);
+            case "hlc3"  -> new TypicalPriceIndicator(s);
+            default      -> new ClosePriceIndicator(s);
+        };
+    }
+
     private EMAIndicator tripleEma(ClosePriceIndicator close, int len) {
         return new EMAIndicator(new EMAIndicator(new EMAIndicator(close, len), len), len);
     }