feat(swiftsdk): swift sdk scaffolding

.github/package.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

.github/package.xcworkspace/xcshareddata/xcschemes/zksyncsso.xcscheme

@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1430"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "ZKsyncSSO"
+               BuildableName = "ZKsyncSSO"
+               BlueprintName = "ZKsyncSSO"
+               ReferencedContainer = "container:../platforms/swift/ZKsyncSSO">
+            </BuildableReference>
+         </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "NO"
+            buildForProfiling = "NO"
+            buildForArchiving = "NO"
+            buildForAnalyzing = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "ZKsyncSSOTests"
+               BuildableName = "ZKsyncSSOTests"
+               BlueprintName = "ZKsyncSSOTests"
+               ReferencedContainer = "container:../platforms/swift/ZKsyncSSO">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "ZKsyncSSOTests"
+               BuildableName = "ZKsyncSSOTests"
+               BlueprintName = "ZKsyncSSOTests"
+               ReferencedContainer = "container:../platforms/swift/ZKsyncSSO">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "ZKsyncSSO"
+            BuildableName = "ZKsyncSSO"
+            BlueprintName = "ZKsyncSSO"
+            ReferencedContainer = "container:../platforms/swift/ZKsyncSSO">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

.github/workflows/ci-swift.yml

@@ -0,0 +1,45 @@
+name: Swift CI
+
+on:
+  push:
+    paths:
+      - 'platforms/**'
+
+jobs:
+  swift-sdk:
+    name: Swift Package - latest
+    runs-on: macos-15
+    strategy:
+      matrix:
+        config:
+          - debug
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Run sccache-cache
+        uses: mozilla-actions/[email protected]
+      - run: rustup update stable && rustup default stable
+      - name: Select Xcode 16.1
+        run: sudo xcode-select -s /Applications/Xcode_16.1.app
+      - name: Select Simulator
+        run: |
+          UDID=$(xcrun simctl list devices | awk '/-- iOS 18.1 --/{flag=1; next} /--/{flag=0} flag' | grep "iPhone 16 Pro" | awk -F '[()]' '{print $2}' | head -1)
+          if [ -z "$UDID" ]; then
+            echo "Simulator not found!" >&2
+            exit 1
+          fi
+          echo "Simulator UDID: $UDID"
+          echo "SIMULATOR_UDID=$UDID" >> $GITHUB_ENV
+      - name: Install swiftformat
+        run: brew install swiftformat
+      - name: Build bindings
+        run: sh platforms/shared/zksync-sso/crates/ffi/build-swift-framework.sh
+      - name: Build & test Swift SDK
+        run: |
+          xcodebuild test \
+            -skipMacroValidation \
+            -configuration debug \
+            -workspace .github/package.xcworkspace \
+            -scheme zksyncsso \
+            -destination "platform=iOS Simulator,id=${{ env.SIMULATOR_UDID }}" || exit 1

.github/workflows/ci.yml

@@ -2,6 +2,8 @@ name: CI
 
 on:
   pull_request:
+    paths-ignore:
+      - 'platforms/**'
   workflow_dispatch:
 
 jobs:
@@ -166,4 +168,3 @@ jobs:
     - name: Run contract test
       run: pnpm test
       working-directory: packages/contracts
-

.gitignore

@@ -31,3 +31,19 @@ playwright/.cache/
 .DS_Store
 
 dist
+
+# Rust
+debug/
+target/
+Cargo.lock
+
+# Swift
+xcuserdata/
+*.hmap
+*.ipa
+*.dSYM.zip
+*.dSYM
+timeline.xctimeline
+playground.xcworkspace
+.build/
+out/

.prettierignore

@@ -28,3 +28,6 @@ deployments-zk
 **/*.tsx
 **/*.mjs
 **/*.cjs
+
+# Ignore Swift/Rust files
+platforms/*

platforms/shared/zksync-sso/Cargo.toml

@@ -0,0 +1,11 @@
+[workspace]
+members = ["crates/*"]
+resolver = "2"
+
+[workspace.package]
+version = "0.1.0"
+edition = "2021"
+rust-version = "1.83"
+license = "Apache-2.0"
+
+[workspace.dependencies]

platforms/shared/zksync-sso/crates/cli/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "cli"
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+
+[dependencies]
+sdk = { path = "../sdk" }

platforms/shared/zksync-sso/crates/cli/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("{}", format!("{}", sdk::add(1, 1)));
+}

platforms/shared/zksync-sso/crates/ffi/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "ffi"
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+
+[lib]
+crate-type = ["staticlib"]
+
+[dependencies]
+uniffi = { version = "0.28.3", features = ["cli"] }
+sdk = { path = "../sdk" }
+
+[build-dependencies]
+uniffi = { version = "0.28.3", features = ["build", "cli"] }

platforms/shared/zksync-sso/crates/ffi/build-swift-framework.sh

@@ -0,0 +1,136 @@
+#!/bin/sh
+
+set -eo pipefail
+
+pushd `dirname $0`
+trap popd EXIT
+
+NAME="ffi"
+VERSION=${1:-"1.0"} # first arg or "1.0"
+REVERSE_DOMAIN="dev.matterlabs"
+BUNDLE_IDENTIFIER="$REVERSE_DOMAIN.$NAME"
+LIBRARY_NAME="lib$NAME.a"
+FRAMEWORK_LIBRARY_NAME=${NAME}FFI
+FRAMEWORK_NAME="$FRAMEWORK_LIBRARY_NAME.framework"
+XC_FRAMEWORK_NAME="$FRAMEWORK_LIBRARY_NAME.xcframework"
+HEADER_NAME="${NAME}FFI.h"
+OUT_PATH="out"
+MIN_IOS_VERSION="18.0"
+WRAPPER_PATH="../../../../swift/ZKsyncSSO/Sources/ZKsyncSSOFFI"
+TARGET_PATH="../../target"
+BUILD_TYPE="debug" # use debug during development
+
+AARCH64_APPLE_IOS_PATH="$TARGET_PATH/aarch64-apple-ios/$BUILD_TYPE"
+AARCH64_APPLE_IOS_SIM_PATH="$TARGET_PATH/aarch64-apple-ios-sim/$BUILD_TYPE"
+X86_64_APPLE_IOS_PATH="$TARGET_PATH/x86_64-apple-ios/$BUILD_TYPE"
+AARCH64_APPLE_DARWIN_PATH="$TARGET_PATH/aarch64-apple-darwin/$BUILD_TYPE"
+X86_64_APPLE_DARWIN_PATH="$TARGET_PATH/x86_64-apple-darwin/$BUILD_TYPE"
+
+targets=("aarch64-apple-ios" "aarch64-apple-ios-sim" "x86_64-apple-ios" "aarch64-apple-darwin" "x86_64-apple-darwin")
+
+# Build for all targets
+for target in "${targets[@]}"; do
+  echo "Building for $target..."
+  rustup target add $target
+
+  if [ "$BUILD_TYPE" = "debug" ]; then
+    echo "Building debug for $target"
+    cargo build --target $target
+  else
+	echo "Building release for $target"
+    cargo build --release --target $target
+  fi
+done
+
+# Generate swift wrapper
+echo "Generating swift wrapper..."
+mkdir -p $OUT_PATH
+mkdir -p $WRAPPER_PATH
+CURRENT_ARCH=$(rustc --version --verbose | grep host | cut -f2 -d' ')
+cargo run --features=uniffi/cli --bin uniffi-bindgen generate --library $TARGET_PATH/$CURRENT_ARCH/$BUILD_TYPE/$LIBRARY_NAME --language swift --out-dir $OUT_PATH
+
+# Merge libraries with lipo
+echo "Merging libraries with lipo..."
+lipo -create $AARCH64_APPLE_IOS_SIM_PATH/$LIBRARY_NAME \
+             $X86_64_APPLE_IOS_PATH/$LIBRARY_NAME \
+     -output $OUT_PATH/sim-$LIBRARY_NAME
+lipo -create $AARCH64_APPLE_DARWIN_PATH/$LIBRARY_NAME \
+             $X86_64_APPLE_DARWIN_PATH/$LIBRARY_NAME \
+     -output $OUT_PATH/macos-$LIBRARY_NAME
+
+# Create framework template
+rm -rf $OUT_PATH/$FRAMEWORK_NAME
+mkdir -p $OUT_PATH/$FRAMEWORK_NAME/Headers
+mkdir -p $OUT_PATH/$FRAMEWORK_NAME/Modules
+cp $OUT_PATH/$HEADER_NAME $OUT_PATH/$FRAMEWORK_NAME/Headers
+cat <<EOT > $OUT_PATH/$FRAMEWORK_NAME/Modules/module.modulemap
+framework module $FRAMEWORK_LIBRARY_NAME {
+  umbrella header "$HEADER_NAME"
+
+  export *
+  module * { export * }
+}
+EOT
+
+cat <<EOT > $OUT_PATH/$FRAMEWORK_NAME/Info.plist
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$FRAMEWORK_LIBRARY_NAME</string>
+	<key>CFBundleIdentifier</key>
+	<string>$BUNDLE_IDENTIFIER</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$FRAMEWORK_LIBRARY_NAME</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>$VERSION</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
+	<key>MinimumOSVersion</key>
+	<string>$MIN_IOS_VERSION</string>
+</dict>
+</plist>
+EOT
+
+# Prepare frameworks for each platform
+rm -rf $OUT_PATH/frameworks
+mkdir -p $OUT_PATH/frameworks/sim
+mkdir -p $OUT_PATH/frameworks/ios
+mkdir -p $OUT_PATH/frameworks/macos
+cp -r $OUT_PATH/$FRAMEWORK_NAME $OUT_PATH/frameworks/sim/
+cp -r $OUT_PATH/$FRAMEWORK_NAME $OUT_PATH/frameworks/ios/
+cp -r $OUT_PATH/$FRAMEWORK_NAME $OUT_PATH/frameworks/macos/
+mv $OUT_PATH/sim-$LIBRARY_NAME $OUT_PATH/frameworks/sim/$FRAMEWORK_NAME/$FRAMEWORK_LIBRARY_NAME
+mv $OUT_PATH/macos-$LIBRARY_NAME $OUT_PATH/frameworks/macos/$FRAMEWORK_NAME/$FRAMEWORK_LIBRARY_NAME
+cp $AARCH64_APPLE_IOS_PATH/$LIBRARY_NAME $OUT_PATH/frameworks/ios/$FRAMEWORK_NAME/$FRAMEWORK_LIBRARY_NAME
+
+# Create xcframework
+echo "Creating xcframework..."
+rm -rf $OUT_PATH/$XC_FRAMEWORK_NAME
+xcodebuild -create-xcframework \
+    -framework $OUT_PATH/frameworks/sim/$FRAMEWORK_NAME \
+    -framework $OUT_PATH/frameworks/ios/$FRAMEWORK_NAME \
+    -framework $OUT_PATH/frameworks/macos/$FRAMEWORK_NAME \
+    -output $OUT_PATH/$XC_FRAMEWORK_NAME
+
+# Copy swift wrapper
+# Need some temporary workarounds to compile swift wrapper
+# https://github.com/rust-lang/cargo/issues/11953
+cat <<EOT > $OUT_PATH/import.txt
+#if os(macOS)
+import SystemConfiguration
+#endif
+EOT
+cat $OUT_PATH/import.txt $OUT_PATH/$NAME.swift > $WRAPPER_PATH/$NAME.swift
+
+# Fix initializationResult compilation error
+sed -i '' 's/private var initializationResult: InitializationResult = {/private let initializationResult: InitializationResult = {/' "$WRAPPER_PATH/$NAME.swift"

platforms/shared/zksync-sso/crates/ffi/src/bin/uniffi-bindgen.rs

@@ -0,0 +1,3 @@
+fn main() {
+    uniffi::uniffi_bindgen_main()
+}