Scaffolding

.github/workflows/kotlin.yml

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+---
+name: Build Android
+
+on:
+  release:
+    types: [created]
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build_kotlin:
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        settings:
+          - target: aarch64-linux-android
+          - target: armv7-linux-androideabi
+          - target: x86_64-linux-android
+          - target: i686-linux-android
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+
+      - name: Set up Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+
+      - name: Cache cargo registry
+        uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43 # v2.7.0
+        with:
+          key: ${{ matrix.settings.target }}-cargo
+
+      - name: Install Cross
+        run: cargo install cross --git https://github.com/cross-rs/cross
+
+      - name: Clean
+        env:
+          TARGET: ${{ matrix.settings.target }}
+        run: cargo clean
+
+      - name: Build
+        env:
+          TARGET: ${{ matrix.settings.target }}
+        run: cross build -p walletkit --release --target=${{ matrix.settings.target }}
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+        with:
+          name: android-${{ matrix.settings.target }}
+          path: ./target/${{ matrix.settings.target }}/release/libwalletkit.so
+          if-no-files-found: error
+
+  combine:
+    runs-on: ubuntu-22.04
+    needs: build_kotlin
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+        with:
+          fetch-depth: 0
+
+      - name: Install rust
+        uses: dtolnay/rust-toolchain@439cf607258077187679211f12aa6f19af4a0af7 # stable
+        with:
+          toolchain: stable
+
+      - name: Cache cargo registry
+        uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43 # v2.7.0
+        with:
+          key: cargo-combine-cache
+
+      - name: Setup Java
+        uses: actions/setup-java@0ab4596768b603586c0de567f2430c30f5b0d2b0 # v3.13.0
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Download Artifacts
+        uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a # v3.0.2
+
+      - name: Move artifacts
+        working-directory: kotlin/sdk/src/main/jniLibs
+        run: |
+          tree -L 3 /home/runner/work
+          mkdir armeabi-v7a arm64-v8a x86 x86_64
+          mv /home/runner/work/walletkit/walletkit/android-armv7-linux-androideabi/libwalletkit.so ./armeabi-v7a/libwalletkit.so
+          mv /home/runner/work/walletkit/walletkit/android-aarch64-linux-android/libwalletkit.so ./arm64-v8a/libwalletkit.so
+          mv /home/runner/work/walletkit/walletkit/android-i686-linux-android/libwalletkit.so ./x86/libwalletkit.so
+          mv /home/runner/work/walletkit/walletkit/android-x86_64-linux-android/libwalletkit.so ./x86_64/libwalletkit.so
+
+      - name: Generate bindings
+        working-directory: kotlin
+        run: cargo run -p uniffi-bindgen generate ./sdk/src/main/jniLibs/arm64-v8a/libwalletkit.so --library --language kotlin --no-format --out-dir sdk/src/main/java
+
+      - name: Publish
+        working-directory: kotlin
+        run: ./gradlew sdk:publish
+        env:
+          GITHUB_ACTOR: ${{ github.actor }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/swift.yml

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+name: Build iOS and Push Changes
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build_swift:
+    runs-on: macos-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+
+      - name: Install Rust targets
+        run: |
+          rustup target install aarch64-apple-ios-sim
+          rustup target install aarch64-apple-ios
+          rustup target install x86_64-apple-ios
+
+      - name: Run build script
+        run: |
+          chmod +x ./build_ios.sh
+          ./build_ios.sh
+
+      - name: Update Package.swift
+        run: |
+          sed -i.bak 's|// Release version: .*|// Release version: '"${GITHUB_REF#refs/tags/}"'|' Package.swift && rm Package.swift.bak
+
+      - name: Commit and push changes
+        run: |
+          git config --local user.email "[email protected]"
+          git config --local user.name "GitHub Action"
+          git add .
+          git commit -m "Increment version tag and push changes" -a
+          git push origin HEAD:main
+        env:
+          GITHUB_TOKEN: ${{ secrets.GIT_HUB_TOKEN }}

.vscode/settings.json

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+{
+    "cSpell.words": [
+        "Keypair",
+        "Merkle",
+        "xsalsa"
+    ]
+}

examples/android/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

examples/android/app/.gitignore

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+/build

examples/android/app/build.gradle.kts

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+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "com.example.wallet_kit_sample"
+    compileSdk = 33
+
+    defaultConfig {
+        applicationId = "com.example.wallet_kit_sample"
+        minSdk = 23
+        targetSdk = 33
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary = true
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    buildFeatures {
+        compose = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.4.3"
+    }
+    packaging {
+        resources {
+            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}
+
+dependencies {
+
+    implementation("androidx.core:core-ktx:1.9.0")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2")
+    implementation("androidx.activity:activity-compose:1.7.0")
+    implementation(platform("androidx.compose:compose-bom:2023.03.00"))
+    implementation("androidx.compose.ui:ui")
+    implementation("androidx.compose.ui:ui-graphics")
+    implementation("androidx.compose.ui:ui-tooling-preview")
+    implementation("androidx.compose.material3:material3")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    androidTestImplementation(platform("androidx.compose:compose-bom:2023.03.00"))
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4")
+    debugImplementation("androidx.compose.ui:ui-tooling")
+    debugImplementation("androidx.compose.ui:ui-test-manifest")
+    implementation("com.worldcoin:walletkit-android:v0.0.1-SNAPSHOT")
+}

examples/android/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

examples/android/app/src/androidTest/java/com/example/wallet_kit_sample/ExampleInstrumentedTest.kt

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+package com.example.wallet_kit_sample
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.example.wallet_kit_sample", appContext.packageName)
+    }
+}