first commit

strategies/TMA.js

@@ -0,0 +1,34 @@
+var method = {};
+
+method.init = function() {
+  this.name = 'Triple Moving Average';
+  this.requiredHistory = this.settings.long;
+
+  this.addIndicator('short', 'SMA', this.settings.short)
+  this.addIndicator('medium', 'SMA', this.settings.medium)
+  this.addIndicator('long', 'SMA', this.settings.long)
+}
+
+method.update = function(candle) {
+  this.indicators.short.update(candle.close)
+  this.indicators.medium.update(candle.close)
+  this.indicators.long.update(candle.close)
+}
+
+method.check = function() {
+  const short = this.indicators.short.result;
+  const medium = this.indicators.medium.result;
+  const long = this.indicators.long.result;
+
+  if((short > medium) && (medium > long)) {
+    this.advice('long')
+  } else if((short < medium) && (medium > long)) {
+    this.advice('short')
+  } else if(((short > medium) && (medium < long))) {
+    this.advice('short')
+  } else {
+    this.advice();
+  }
+}
+
+module.exports = method;