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/kotlinx/coroutines/CancellableContinuation.java

@@ -0,0 +1,70 @@
+package kotlinx.coroutines;
+
+import com.google.android.gms.measurement.api.AppMeasurementSdk;
+import kotlin.Metadata;
+import kotlin.Unit;
+import kotlin.coroutines.Continuation;
+import kotlin.jvm.functions.Function1;
+
+@Metadata(d1 = {"\u0000B\n\u0002\u0018\u0002\n\u0000\n\u0002\u0018\u0002\n\u0000\n\u0002\u0010\u000b\n\u0002\b\u0005\n\u0002\u0010\u0003\n\u0000\n\u0002\u0010\u0002\n\u0000\n\u0002\u0010\u0000\n\u0002\b\u0003\n\u0002\u0018\u0002\n\u0002\u0018\u0002\n\u0000\n\u0002\u0018\u0002\n\u0002\b\u000b\n\u0002\u0018\u0002\n\u0002\b\u0003\bf\u0018\u0000*\u0006\b\u0000\u0010\u0001 \u00002\b\u0012\u0004\u0012\u0002H\u00010\u0002J\u0014\u0010\b\u001a\u00020\u00042\n\b\u0002\u0010\t\u001a\u0004\u0018\u00010\nH&J\u0010\u0010\u000b\u001a\u00020\f2\u0006\u0010\r\u001a\u00020\u000eH'J\b\u0010\u000f\u001a\u00020\fH'J1\u0010\u0010\u001a\u00020\f2'\u0010\u0011\u001a#\u0012\u0015\u0012\u0013\u0018\u00010\n¢\u0006\f\b\u0013\u0012\b\b\u0014\u0012\u0004\b\b(\t\u0012\u0004\u0012\u00020\f0\u0012j\u0002`\u0015H&J:\u0010\u0016\u001a\u00020\f2\u0006\u0010\u0017\u001a\u00028\u00002#\u0010\u0018\u001a\u001f\u0012\u0013\u0012\u00110\n¢\u0006\f\b\u0013\u0012\b\b\u0014\u0012\u0004\b\b(\t\u0012\u0004\u0012\u00020\f\u0018\u00010\u0012H'¢\u0006\u0002\u0010\u0019J#\u0010\u001a\u001a\u0004\u0018\u00010\u000e2\u0006\u0010\u0017\u001a\u00028\u00002\n\b\u0002\u0010\u001b\u001a\u0004\u0018\u00010\u000eH'¢\u0006\u0002\u0010\u001cJF\u0010\u001a\u001a\u0004\u0018\u00010\u000e2\u0006\u0010\u0017\u001a\u00028\u00002\b\u0010\u001b\u001a\u0004\u0018\u00010\u000e2#\u0010\u0018\u001a\u001f\u0012\u0013\u0012\u00110\n¢\u0006\f\b\u0013\u0012\b\b\u0014\u0012\u0004\b\b(\t\u0012\u0004\u0012\u00020\f\u0018\u00010\u0012H'¢\u0006\u0002\u0010\u001dJ\u0012\u0010\u001e\u001a\u0004\u0018\u00010\u000e2\u0006\u0010\u001f\u001a\u00020\nH'J\u0019\u0010 \u001a\u00020\f*\u00020!2\u0006\u0010\u0017\u001a\u00028\u0000H'¢\u0006\u0002\u0010\"J\u0014\u0010#\u001a\u00020\f*\u00020!2\u0006\u0010\u001f\u001a\u00020\nH'R\u0012\u0010\u0003\u001a\u00020\u0004X¦\u0004¢\u0006\u0006\u001a\u0004\b\u0003\u0010\u0005R\u0012\u0010\u0006\u001a\u00020\u0004X¦\u0004¢\u0006\u0006\u001a\u0004\b\u0006\u0010\u0005R\u0012\u0010\u0007\u001a\u00020\u0004X¦\u0004¢\u0006\u0006\u001a\u0004\b\u0007\u0010\u0005¨\u0006$"}, d2 = {"Lkotlinx/coroutines/CancellableContinuation;", "T", "Lkotlin/coroutines/Continuation;", "isActive", "", "()Z", "isCancelled", "isCompleted", "cancel", "cause", "", "completeResume", "", "token", "", "initCancellability", "invokeOnCancellation", "handler", "Lkotlin/Function1;", "Lkotlin/ParameterName;", AppMeasurementSdk.ConditionalUserProperty.NAME, "Lkotlinx/coroutines/CompletionHandler;", "resume", "value", "onCancellation", "(Ljava/lang/Object;Lkotlin/jvm/functions/Function1;)V", "tryResume", "idempotent", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", "(Ljava/lang/Object;Ljava/lang/Object;Lkotlin/jvm/functions/Function1;)Ljava/lang/Object;", "tryResumeWithException", "exception", "resumeUndispatched", "Lkotlinx/coroutines/CoroutineDispatcher;", "(Lkotlinx/coroutines/CoroutineDispatcher;Ljava/lang/Object;)V", "resumeUndispatchedWithException", "kotlinx-coroutines-core"}, k = 1, mv = {1, 9, 0}, xi = 48)
+/* loaded from: classes3.dex */
+public interface CancellableContinuation<T> extends Continuation<T> {
+
+    @Metadata(k = 3, mv = {1, 9, 0}, xi = 48)
+    /* loaded from: classes3.dex */
+    public static final class DefaultImpls {
+        public static /* synthetic */ boolean cancel$default(CancellableContinuation cancellableContinuation, Throwable th, int i, Object obj) {
+            if (obj != null) {
+                throw new UnsupportedOperationException("Super calls with default arguments not supported in this target, function: cancel");
+            }
+            if ((i & 1) != 0) {
+                th = null;
+            }
+            return cancellableContinuation.cancel(th);
+        }
+
+        public static /* synthetic */ Object tryResume$default(CancellableContinuation cancellableContinuation, Object obj, Object obj2, int i, Object obj3) {
+            if (obj3 != null) {
+                throw new UnsupportedOperationException("Super calls with default arguments not supported in this target, function: tryResume");
+            }
+            if ((i & 2) != 0) {
+                obj2 = null;
+            }
+            return cancellableContinuation.tryResume(obj, obj2);
+        }
+    }
+
+    boolean cancel(Throwable cause);
+
+    @InternalCoroutinesApi
+    void completeResume(Object token);
+
+    @InternalCoroutinesApi
+    void initCancellability();
+
+    void invokeOnCancellation(Function1<? super Throwable, Unit> handler);
+
+    boolean isActive();
+
+    boolean isCancelled();
+
+    boolean isCompleted();
+
+    @ExperimentalCoroutinesApi
+    void resume(T value, Function1<? super Throwable, Unit> onCancellation);
+
+    @ExperimentalCoroutinesApi
+    void resumeUndispatched(CoroutineDispatcher coroutineDispatcher, T t2);
+
+    @ExperimentalCoroutinesApi
+    void resumeUndispatchedWithException(CoroutineDispatcher coroutineDispatcher, Throwable th);
+
+    @InternalCoroutinesApi
+    Object tryResume(T value, Object idempotent);
+
+    @InternalCoroutinesApi
+    Object tryResume(T value, Object idempotent, Function1<? super Throwable, Unit> onCancellation);
+
+    @InternalCoroutinesApi
+    Object tryResumeWithException(Throwable exception);
+}