Update Build config

.gitignore

@@ -14,6 +14,7 @@
 app/mapping.txt
 app/seeds.txt
 app/unused.txt
+app/full-r8-config.txt
 
 # Files for the Dalvik VM
 *.dex
@@ -29,6 +30,7 @@ gen/
 .gradle/
 /build
 app/release
+app/debug
 
 # Fastlane
 fastlane/report.xml

app/build.gradle

@@ -43,18 +43,20 @@ android {
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
         buildConfigField 'int', 'DB_VERSION', '4'
+
+        ndk {
+            abiFilters "armeabi-v7a", "x86"
+        }
     }
     buildTypes {
         debug {
             minifyEnabled false
-            useProguard false
 //            proguardFiles getDefaultProguardFile('proguard-android.txt'),
 //                    'proguard-rules.pro'
         }
         release {
             minifyEnabled false
-            useProguard true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
     packagingOptions {
@@ -156,7 +158,7 @@ dependencies {
 
     implementation 'com.crashlytics.sdk.android:crashlytics:2.10.1'
 
-    implementation 'com.trustwallet.walletcore:walletcore:0.12.1'
+    implementation 'com.trustwallet.walletcore:walletcore:0.12.8'
 
     implementation 'com.github.florent37:tutoshowcase:1.0.1'
 

app/proguard-android-optimize.txt

@@ -0,0 +1,115 @@
+# This is a configuration file for ProGuard.
+# http://proguard.sourceforge.net/index.html#manual/usage.html
+#
+# Starting with version 2.2 of the Android plugin for Gradle, this file is distributed together with
+# the plugin and unpacked at build-time. The files in $ANDROID_HOME are no longer maintained and
+# will be ignored by new version of the Android plugin for Gradle.
+
+# Optimizations: If you don't want to optimize, use the proguard-android.txt configuration file
+# instead of this one, which turns off the optimization flags.
+# Adding optimization introduces certain risks, since for example not all optimizations performed by
+# ProGuard works on all versions of Dalvik.  The following flags turn off various optimizations
+# known to have issues, but the list may not be complete or up to date. (The "arithmetic"
+# optimization can be used if you are only targeting Android 2.0 or later.)  Make sure you test
+# thoroughly if you go this route.
+-optimizations !code/simplification/arithmetic,!code/simplification/cast,!field/*,!class/merging/*
+-optimizationpasses 5
+-allowaccessmodification
+
+-dontusemixedcaseclassnames
+-dontskipnonpubliclibraryclasses
+-verbose
+
+# Preserve some attributes that may be required for reflection.
+-keepattributes *Annotation*,Signature,InnerClasses,EnclosingMethod
+
+-keep public class com.google.vending.licensing.ILicensingService
+-keep public class com.android.vending.licensing.ILicensingService
+-keep public class com.google.android.vending.licensing.ILicensingService
+-dontnote com.android.vending.licensing.ILicensingService
+-dontnote com.google.vending.licensing.ILicensingService
+-dontnote com.google.android.vending.licensing.ILicensingService
+
+# For native methods, see http://proguard.sourceforge.net/manual/examples.html#native
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+# Keep setters in Views so that animations can still work.
+-keepclassmembers public class * extends android.view.View {
+    void set*(***);
+    *** get*();
+}
+
+# We want to keep methods in Activity that could be used in the XML attribute onClick.
+-keepclassmembers class * extends android.app.Activity {
+    public void *(android.view.View);
+}
+
+# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+-keepclassmembers class * implements android.os.Parcelable {
+    public static final ** CREATOR;
+}
+
+-keepclassmembers class **.R$* {
+    public static <fields>;
+}
+
+# Preserve annotated Javascript interface methods.
+-keepclassmembers class * {
+    @android.webkit.JavascriptInterface <methods>;
+}
+
+# The support libraries contains references to newer platform versions.
+# Don't warn about those in case this app is linking against an older
+# platform version. We know about them, and they are safe.
+-dontnote android.support.**
+-dontnote androidx.**
+-dontwarn android.support.**
+-dontwarn androidx.**
+
+# This class is deprecated, but remains for backward compatibility.
+-dontwarn android.util.FloatMath
+
+# Understand the @Keep support annotation.
+-keep class android.support.annotation.Keep
+-keep class androidx.annotation.Keep
+
+-keep @android.support.annotation.Keep class * {*;}
+-keep @androidx.annotation.Keep class * {*;}
+
+-keepclasseswithmembers class * {
+    @android.support.annotation.Keep <methods>;
+}
+
+-keepclasseswithmembers class * {
+    @androidx.annotation.Keep <methods>;
+}
+
+-keepclasseswithmembers class * {
+    @android.support.annotation.Keep <fields>;
+}
+
+-keepclasseswithmembers class * {
+    @androidx.annotation.Keep <fields>;
+}
+
+-keepclasseswithmembers class * {
+    @android.support.annotation.Keep <init>(...);
+}
+
+-keepclasseswithmembers class * {
+    @androidx.annotation.Keep <init>(...);
+}
+
+# These classes are duplicated between android.jar and org.apache.http.legacy.jar.
+-dontnote org.apache.http.**
+-dontnote android.net.http.**
+
+# These classes are duplicated between android.jar and core-lambda-stubs.jar.
+-dontnote java.lang.invoke.**

app/proguard-rules.pro

@@ -30,7 +30,6 @@
 -dontskipnonpubliclibraryclassmembers
 -dontpreverify
 -verbose
--dump class_files.txt
 -printseeds seeds.txt
 -printusage unused.txt
 -printmapping mapping.txt
@@ -38,4 +37,5 @@
 
 #---------------Begin: proguard configuration for support library  ----------
 -keep class android.support.v4.app.** { *; }
--keep interface android.support.v4.app.** { *; }
+-keep interface android.support.v4.app.** { *; }
+-keep class wallet.core {*;}

gradle.properties

@@ -17,3 +17,4 @@ org.gradle.jvmargs=-Xmx2536m
 org.gradle.parallel=true
 org.gradle.configureondemand=true
 org.gradle.daemon=true
+android.enableR8=true