Support XMR Swap

app/build.gradle

@@ -2,13 +2,14 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
+apply plugin: 'kotlinx-serialization'
 
 static def computeVersionCode() {
-    110
+    111
 }
 
 static def computeVersionName() {
-    return "1.1.0"
+    return "2.0.0"
 }
 
 android {
@@ -39,6 +40,11 @@ android {
         }
     }
 
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
     androidExtensions {
         experimental = true
     }
@@ -96,4 +102,9 @@ dependencies {
     implementation 'androidx.biometric:biometric:1.0.1'
 
     implementation 'com.github.ihsg:PatternLocker:2.5.6'
+
+    implementation "com.squareup.retrofit2:retrofit:2.9.0"
+    implementation "com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:0.5.0"
+    implementation 'com.squareup.okhttp3:logging-interceptor:3.12.2'
+
 }

app/proguard-rules.pro

@@ -198,3 +198,43 @@
 -dontwarn androidx.**
 -keep class androidx.** { *; }
 -keep interface androidx.** { *; }
+
+# Retrofit does reflection on generic parameters. InnerClasses is required to use Signature and
+# EnclosingMethod is required to use InnerClasses.
+-keepattributes Signature, InnerClasses, EnclosingMethod
+
+# Retrofit does reflection on method and parameter annotations.
+-keepattributes RuntimeVisibleAnnotations, RuntimeVisibleParameterAnnotations
+
+# Retain service method parameters when optimizing.
+-keepclassmembers,allowshrinking,allowobfuscation interface * {
+    @retrofit2.http.* <methods>;
+}
+
+# Ignore annotation used for build tooling.
+-dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
+
+# Ignore JSR 305 annotations for embedding nullability information.
+-dontwarn javax.annotation.**
+
+# Guarded by a NoClassDefFoundError try/catch and only used when on the classpath.
+-dontwarn kotlin.Unit
+
+# Top-level functions that can only be used by Kotlin.
+-dontwarn retrofit2.KotlinExtensions
+-dontwarn retrofit2.KotlinExtensions$*
+
+# With R8 full mode, it sees no subtypes of Retrofit interfaces since they are created with a Proxy
+# and replaces all potential values with null. Explicitly keeping the interfaces prevents this.
+-if interface * { @retrofit2.http.* <methods>; }
+-keep,allowobfuscation interface <1>
+
+-keepattributes *Annotation*, InnerClasses
+-dontnote kotlinx.serialization.SerializationKt
+-keep,includedescriptorclasses class io.wookey.wallet.**$$serializer { *; } # <-- change package name to your app's
+-keepclassmembers class io.wookey.wallet.** { # <-- change package name to your app's
+    *** Companion;
+}
+-keepclasseswithmembers class io.wookey.wallet.** { # <-- change package name to your app's
+    kotlinx.serialization.KSerializer serializer(...);
+}