Integer comparison of captcha scores

service/src/main/java/org/whispersystems/textsecuregcm/captcha/AssessmentResult.java

@@ -76,7 +76,13 @@ public class AssessmentResult {
     if (!solved) {
       return false;
     }
-    return this.actualScore >= scoreThreshold.orElse(this.defaultScoreThreshold);
+    // Since HCaptcha scores are truncated to 2 decimal places, we can multiply by 100 and round to the nearest int for
+    // comparison instead of floating point comparisons
+    return normalizedIntScore(this.actualScore) >= normalizedIntScore(scoreThreshold.orElse(this.defaultScoreThreshold));
+  }
+
+  private static int normalizedIntScore(final float score) {
+    return Math.round(score * 100);
   }
 
   public String getScoreString() {