Primer paso de la investigacion. Se aportan el .apk, las carpetas con el apk extraido y el apk descompilado. El archivo API_DOCUMENTATION.md es un archivo donde se anotaran los descubrimientos del funcionamiento de la API, y los .py son scripts para probar la funcionalidad de la API con los métodos que vayamos encontrando. Finalmente, los archivos .js son scripts de Frida para extraer informacion de la APP durante la ejecucion.

apk_decompiled/sources/kotlin/time/MeasureTimeKt.java

@@ -0,0 +1,67 @@
+package kotlin.time;
+
+import kotlin.Metadata;
+import kotlin.SinceKotlin;
+import kotlin.Unit;
+import kotlin.WasExperimental;
+import kotlin.jvm.functions.Function0;
+import kotlin.jvm.internal.Intrinsics;
+import kotlin.jvm.internal.SourceDebugExtension;
+import kotlin.time.TimeSource;
+
+@Metadata(d1 = {"\u0000(\n\u0000\n\u0002\u0018\u0002\n\u0000\n\u0002\u0018\u0002\n\u0002\u0010\u0002\n\u0002\b\u0002\n\u0002\u0018\u0002\n\u0000\n\u0002\u0018\u0002\n\u0000\n\u0002\u0018\u0002\n\u0002\b\u0002\u001a,\u0010\u0000\u001a\u00020\u00012\f\u0010\u0002\u001a\b\u0012\u0004\u0012\u00020\u00040\u0003H\u0087\bø\u0001\u0000\u0082\u0002\n\n\b\b\u0001\u0012\u0002\u0010\u0001 \u0001¢\u0006\u0002\u0010\u0005\u001a3\u0010\u0006\u001a\b\u0012\u0004\u0012\u0002H\b0\u0007\"\u0004\b\u0000\u0010\b2\f\u0010\u0002\u001a\b\u0012\u0004\u0012\u0002H\b0\u0003H\u0087\bø\u0001\u0000\u0082\u0002\n\n\b\b\u0001\u0012\u0002\u0010\u0001 \u0001\u001a0\u0010\u0000\u001a\u00020\u0001*\u00020\t2\f\u0010\u0002\u001a\b\u0012\u0004\u0012\u00020\u00040\u0003H\u0087\bø\u0001\u0000\u0082\u0002\n\n\b\b\u0001\u0012\u0002\u0010\u0001 \u0001¢\u0006\u0002\u0010\n\u001a0\u0010\u0000\u001a\u00020\u0001*\u00020\u000b2\f\u0010\u0002\u001a\b\u0012\u0004\u0012\u00020\u00040\u0003H\u0087\bø\u0001\u0000\u0082\u0002\n\n\b\b\u0001\u0012\u0002\u0010\u0001 \u0001¢\u0006\u0002\u0010\f\u001a7\u0010\u0006\u001a\b\u0012\u0004\u0012\u0002H\b0\u0007\"\u0004\b\u0000\u0010\b*\u00020\t2\f\u0010\u0002\u001a\b\u0012\u0004\u0012\u0002H\b0\u0003H\u0087\bø\u0001\u0000\u0082\u0002\n\n\b\b\u0001\u0012\u0002\u0010\u0001 \u0001\u001a7\u0010\u0006\u001a\b\u0012\u0004\u0012\u0002H\b0\u0007\"\u0004\b\u0000\u0010\b*\u00020\u000b2\f\u0010\u0002\u001a\b\u0012\u0004\u0012\u0002H\b0\u0003H\u0087\bø\u0001\u0000\u0082\u0002\n\n\b\b\u0001\u0012\u0002\u0010\u0001 \u0001\u0082\u0002\u0007\n\u0005\b\u009920\u0001¨\u0006\r"}, d2 = {"measureTime", "Lkotlin/time/Duration;", "block", "Lkotlin/Function0;", "", "(Lkotlin/jvm/functions/Function0;)J", "measureTimedValue", "Lkotlin/time/TimedValue;", "T", "Lkotlin/time/TimeSource;", "(Lkotlin/time/TimeSource;Lkotlin/jvm/functions/Function0;)J", "Lkotlin/time/TimeSource$Monotonic;", "(Lkotlin/time/TimeSource$Monotonic;Lkotlin/jvm/functions/Function0;)J", "kotlin-stdlib"}, k = 2, mv = {1, 9, 0}, xi = 48)
+@SourceDebugExtension({"SMAP\nmeasureTime.kt\nKotlin\n*S Kotlin\n*F\n+ 1 measureTime.kt\nkotlin/time/MeasureTimeKt\n*L\n1#1,121:1\n50#1,7:122\n113#1,7:129\n*S KotlinDebug\n*F\n+ 1 measureTime.kt\nkotlin/time/MeasureTimeKt\n*L\n21#1:122,7\n83#1:129,7\n*E\n"})
+/* loaded from: classes3.dex */
+public final class MeasureTimeKt {
+    @SinceKotlin(version = "1.9")
+    @WasExperimental(markerClass = {ExperimentalTime.class})
+    public static final long measureTime(Function0<Unit> block) {
+        Intrinsics.checkNotNullParameter(block, "block");
+        long m1594markNowz9LOYto = TimeSource.Monotonic.INSTANCE.m1594markNowz9LOYto();
+        block.invoke();
+        return TimeSource.Monotonic.ValueTimeMark.m1599elapsedNowUwyO8pc(m1594markNowz9LOYto);
+    }
+
+    @SinceKotlin(version = "1.9")
+    @WasExperimental(markerClass = {ExperimentalTime.class})
+    public static final <T> TimedValue<T> measureTimedValue(Function0<? extends T> block) {
+        Intrinsics.checkNotNullParameter(block, "block");
+        return new TimedValue<>(block.invoke(), TimeSource.Monotonic.ValueTimeMark.m1599elapsedNowUwyO8pc(TimeSource.Monotonic.INSTANCE.m1594markNowz9LOYto()), null);
+    }
+
+    @SinceKotlin(version = "1.9")
+    @WasExperimental(markerClass = {ExperimentalTime.class})
+    public static final long measureTime(TimeSource timeSource, Function0<Unit> block) {
+        Intrinsics.checkNotNullParameter(timeSource, "<this>");
+        Intrinsics.checkNotNullParameter(block, "block");
+        TimeMark markNow = timeSource.markNow();
+        block.invoke();
+        return markNow.mo1445elapsedNowUwyO8pc();
+    }
+
+    @SinceKotlin(version = "1.9")
+    @WasExperimental(markerClass = {ExperimentalTime.class})
+    public static final <T> TimedValue<T> measureTimedValue(TimeSource timeSource, Function0<? extends T> block) {
+        Intrinsics.checkNotNullParameter(timeSource, "<this>");
+        Intrinsics.checkNotNullParameter(block, "block");
+        return new TimedValue<>(block.invoke(), timeSource.markNow().mo1445elapsedNowUwyO8pc(), null);
+    }
+
+    @SinceKotlin(version = "1.9")
+    @WasExperimental(markerClass = {ExperimentalTime.class})
+    public static final long measureTime(TimeSource.Monotonic monotonic, Function0<Unit> block) {
+        Intrinsics.checkNotNullParameter(monotonic, "<this>");
+        Intrinsics.checkNotNullParameter(block, "block");
+        long m1594markNowz9LOYto = monotonic.m1594markNowz9LOYto();
+        block.invoke();
+        return TimeSource.Monotonic.ValueTimeMark.m1599elapsedNowUwyO8pc(m1594markNowz9LOYto);
+    }
+
+    @SinceKotlin(version = "1.9")
+    @WasExperimental(markerClass = {ExperimentalTime.class})
+    public static final <T> TimedValue<T> measureTimedValue(TimeSource.Monotonic monotonic, Function0<? extends T> block) {
+        Intrinsics.checkNotNullParameter(monotonic, "<this>");
+        Intrinsics.checkNotNullParameter(block, "block");
+        return new TimedValue<>(block.invoke(), TimeSource.Monotonic.ValueTimeMark.m1599elapsedNowUwyO8pc(monotonic.m1594markNowz9LOYto()), null);
+    }
+}