add calc getting started to main app

packages/react-native-uniffi-russh/.gitignore

@@ -84,3 +84,7 @@ android/generated
 
 # React Native Nitro Modules
 nitrogen/
+
+# From uniffi-bindgen-react-native
+rust_modules/
+*.a

packages/react-native-uniffi-russh/LICENSE

@@ -1,20 +0,0 @@
-MIT License
-
-Copyright (c) 2025 EthanShoeDev
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

packages/react-native-uniffi-russh/android/CMakeLists.txt

@@ -0,0 +1,76 @@
+# Generated by uniffi-bindgen-react-native
+cmake_minimum_required(VERSION 3.9.0)
+project(UniffiRussh)
+
+set (CMAKE_VERBOSE_MAKEFILE ON)
+set (CMAKE_CXX_STANDARD 17)
+
+# Resolve the path to the uniffi-bindgen-react-native package
+execute_process(
+    COMMAND node -p "require.resolve('uniffi-bindgen-react-native/package.json')"
+    OUTPUT_VARIABLE UNIFFI_BINDGEN_PATH
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+# Get the directory; get_filename_component and cmake_path will normalize
+# paths with Windows path separators.
+get_filename_component(UNIFFI_BINDGEN_PATH "${UNIFFI_BINDGEN_PATH}" DIRECTORY)
+
+# Specifies a path to native header files.
+include_directories(
+    ../cpp
+    ../cpp/generated
+
+    ${UNIFFI_BINDGEN_PATH}/cpp/includes
+)
+
+add_library(react-native-uniffi-russh            SHARED
+    ../cpp/react-native-uniffi-russh.cpp
+    ../cpp/generated/foobar.cpp
+    cpp-adapter.cpp
+)
+
+# Set C++ compiler flags
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -frtti")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-protector-all")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
+
+cmake_path(
+  SET MY_RUST_LIB
+  ${CMAKE_SOURCE_DIR}/src/main/jniLibs/${ANDROID_ABI}/libfoobar.a
+  NORMALIZE
+)
+add_library(my_rust_lib STATIC IMPORTED)
+set_target_properties(my_rust_lib PROPERTIES IMPORTED_LOCATION ${MY_RUST_LIB})
+
+# Add ReactAndroid libraries, being careful to account for different versions.
+find_package(ReactAndroid REQUIRED CONFIG)
+find_library(LOGCAT log)
+
+# REACTNATIVE_MERGED_SO seems to be only be set in a build.gradle.kt file,
+# which we don't use. Thus falling back to version number sniffing.
+if (ReactAndroid_VERSION_MINOR GREATER_EQUAL 76)
+  set(REACTNATIVE_MERGED_SO true)
+endif()
+
+# https://github.com/react-native-community/discussions-and-proposals/discussions/816
+# This if-then-else can be removed once this library does not support version below 0.76
+if (REACTNATIVE_MERGED_SO)
+  target_link_libraries(react-native-uniffi-russh ReactAndroid::reactnative)
+else()
+  target_link_libraries(react-native-uniffi-russh
+    ReactAndroid::turbomodulejsijni
+    ReactAndroid::react_nativemodule_core
+  )
+endif()
+
+find_package(fbjni REQUIRED CONFIG)
+target_link_libraries(
+  react-native-uniffi-russh
+  fbjni::fbjni
+  ReactAndroid::jsi
+  ${LOGCAT}
+  my_rust_lib
+)

packages/react-native-uniffi-russh/android/build.gradle

@@ -1,7 +1,8 @@
+// Generated by uniffi-bindgen-react-native
+
 buildscript {
-  ext.getExtOrDefault = {name ->
-    return rootProject.ext.has(name) ? rootProject.ext.get(name) : project.properties['UniffiRussh_' + name]
-  }
+  // Buildscript is evaluated before everything else so we can't use getExtOrDefault
+  def kotlin_version = rootProject.ext.has("kotlinVersion") ? rootProject.ext.get("kotlinVersion") : project.properties["DummyLibForAndroid_kotlinVersion"]
 
   repositories {
     google()
@@ -9,30 +10,83 @@ buildscript {
   }
 
   dependencies {
-    classpath "com.android.tools.build:gradle:8.7.2"
+    classpath "com.android.tools.build:gradle:7.2.1"
     // noinspection DifferentKotlinGradleVersion
-    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${getExtOrDefault('kotlinVersion')}"
+    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
   }
 }
 
+def reactNativeArchitectures() {
+  def value = rootProject.getProperties().get("reactNativeArchitectures")
+  return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
+}
+
+def isNewArchitectureEnabled() {
+  return rootProject.hasProperty("newArchEnabled") && rootProject.getProperty("newArchEnabled") == "true"
+}
 
 apply plugin: "com.android.library"
 apply plugin: "kotlin-android"
 
-apply plugin: "com.facebook.react"
+if (isNewArchitectureEnabled()) {
+  apply plugin: "com.facebook.react"
+}
+
+def getExtOrDefault(name) {
+  return rootProject.ext.has(name) ? rootProject.ext.get(name) : project.properties["UniffiRussh_" + name]
+}
 
 def getExtOrIntegerDefault(name) {
   return rootProject.ext.has(name) ? rootProject.ext.get(name) : (project.properties["UniffiRussh_" + name]).toInteger()
 }
 
-android {
-  namespace "com.uniffirussh"
+def supportsNamespace() {
+  def parsed = com.android.Version.ANDROID_GRADLE_PLUGIN_VERSION.tokenize('.')
+  def major = parsed[0].toInteger()
+  def minor = parsed[1].toInteger()
 
+  // Namespace support was added in 7.3.0
+  return (major == 7 && minor >= 3) || major >= 8
+}
+
+android {
+  if (supportsNamespace()) {
+    namespace "com.uniffirussh"
+
+    sourceSets {
+      main {
+        manifest.srcFile "src/main/AndroidManifestNew.xml"
+      }
+    }
+  }
+
+  ndkVersion getExtOrDefault("ndkVersion")
   compileSdkVersion getExtOrIntegerDefault("compileSdkVersion")
 
   defaultConfig {
     minSdkVersion getExtOrIntegerDefault("minSdkVersion")
     targetSdkVersion getExtOrIntegerDefault("targetSdkVersion")
+    buildConfigField "boolean", "IS_NEW_ARCHITECTURE_ENABLED", isNewArchitectureEnabled().toString()
+    consumerProguardFiles 'proguard-rules.pro'
+
+    buildFeatures {
+      prefab true
+    }
+    externalNativeBuild {
+      cmake {
+        arguments '-DANDROID_STL=c++_shared'
+        abiFilters (*reactNativeArchitectures())
+      }
+    }
+    ndk {
+      abiFilters "arm64-v8a", "armeabi-v7a", "x86", "x86_64"
+    }
+  }
+
+  externalNativeBuild {
+    cmake {
+      path "CMakeLists.txt"
+    }
   }
 
   buildFeatures {
@@ -56,10 +110,12 @@ android {
 
   sourceSets {
     main {
-      java.srcDirs += [
-        "generated/java",
-        "generated/jni"
-      ]
+      if (isNewArchitectureEnabled()) {
+          java.srcDirs += [
+            "generated/java",
+            "generated/jni"
+          ]
+      }
     }
   }
 }
@@ -72,6 +128,17 @@ repositories {
 def kotlin_version = getExtOrDefault("kotlinVersion")
 
 dependencies {
-  implementation "com.facebook.react:react-android"
+  // For < 0.71, this will be from the local maven repo
+  // For > 0.71, this will be replaced by `com.facebook.react:react-android:$version` by react gradle plugin
+  //noinspection GradleDynamicVersion
+  implementation "com.facebook.react:react-native:+"
   implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
+
+if (isNewArchitectureEnabled()) {
+  react {
+    jsRootDir = file("../src/")
+    libraryName = "UniffiRussh"
+    codegenJavaPackageName = "com.uniffirussh"
+  }
+}

packages/react-native-uniffi-russh/android/cpp-adapter.cpp

@@ -0,0 +1,63 @@
+// Generated by uniffi-bindgen-react-native
+#include <jni.h>
+#include <jsi/jsi.h>
+#include <ReactCommon/CallInvokerHolder.h>
+#include "react-native-uniffi-russh.h"
+
+namespace jsi = facebook::jsi;
+namespace react = facebook::react;
+
+// Automated testing checks Java_com_uniffirussh_UniffiRusshModule and uniffirussh
+// by comparing the whole line here.
+/*
+Java_com_uniffirussh_UniffiRusshModule_nativeMultiply(JNIEnv *env, jclass type, jdouble a, jdouble b) {
+    return uniffirussh::multiply(a, b);
+}
+*/
+
+// Installer coming from UniffiRusshModule
+extern "C"
+JNIEXPORT jboolean JNICALL
+Java_com_uniffirussh_UniffiRusshModule_nativeInstallRustCrate(
+    JNIEnv *env,
+    jclass type,
+    jlong rtPtr,
+    jobject callInvokerHolderJavaObj
+) {
+    // https://github.com/realm/realm-js/blob/main/packages/realm/binding/android/src/main/cpp/io_realm_react_RealmReactModule.cpp#L122-L145
+    // React Native uses the fbjni library for handling JNI, which has the concept of "hybrid objects",
+    // which are Java objects containing a pointer to a C++ object. The CallInvokerHolder, which has the
+    // invokeAsync method we want access to, is one such hybrid object.
+    // Rather than reworking our code to use fbjni throughout, this code unpacks the C++ object from the Java
+    // object `callInvokerHolderJavaObj` manually, based on reverse engineering the fbjni code.
+
+    // 1. Get the Java object referred to by the mHybridData field of the Java holder object
+    auto callInvokerHolderClass = env->GetObjectClass(callInvokerHolderJavaObj);
+    auto hybridDataField = env->GetFieldID(callInvokerHolderClass, "mHybridData", "Lcom/facebook/jni/HybridData;");
+    auto hybridDataObj = env->GetObjectField(callInvokerHolderJavaObj, hybridDataField);
+
+    // 2. Get the destructor Java object referred to by the mDestructor field from the myHybridData Java object
+    auto hybridDataClass = env->FindClass("com/facebook/jni/HybridData");
+    auto destructorField =
+        env->GetFieldID(hybridDataClass, "mDestructor", "Lcom/facebook/jni/HybridData$Destructor;");
+    auto destructorObj = env->GetObjectField(hybridDataObj, destructorField);
+
+    // 3. Get the mNativePointer field from the mDestructor Java object
+    auto destructorClass = env->FindClass("com/facebook/jni/HybridData$Destructor");
+    auto nativePointerField = env->GetFieldID(destructorClass, "mNativePointer", "J");
+    auto nativePointerValue = env->GetLongField(destructorObj, nativePointerField);
+
+    // 4. Cast the mNativePointer back to its C++ type
+    auto nativePointer = reinterpret_cast<facebook::react::CallInvokerHolder*>(nativePointerValue);
+    auto jsCallInvoker = nativePointer->getCallInvoker();
+
+    auto runtime = reinterpret_cast<jsi::Runtime *>(rtPtr);
+    return uniffirussh::installRustCrate(*runtime, jsCallInvoker);
+}
+
+extern "C"
+JNIEXPORT jboolean JNICALL
+Java_com_uniffirussh_UniffiRusshModule_nativeCleanupRustCrate(JNIEnv *env, jclass type, jlong rtPtr) {
+    auto runtime = reinterpret_cast<jsi::Runtime *>(rtPtr);
+    return uniffirussh::cleanupRustCrate(*runtime);
+}

packages/react-native-uniffi-russh/android/src/main/AndroidManifest.xml

@@ -1,2 +1,5 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
-</manifest>
+
+<!-- Generated by uniffi-bindgen-react-native -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.uniffirussh">
+</manifest>

packages/react-native-uniffi-russh/android/src/main/java/com/uniffirussh/UniffiRusshModule.kt

@@ -0,0 +1,43 @@
+// Generated by uniffi-bindgen-react-native
+package com.uniffirussh
+
+import com.facebook.react.bridge.ReactApplicationContext
+import com.facebook.react.module.annotations.ReactModule
+import com.facebook.react.turbomodule.core.interfaces.CallInvokerHolder
+
+@ReactModule(name = UniffiRusshModule.NAME)
+class UniffiRusshModule(reactContext: ReactApplicationContext) :
+  NativeUniffiRusshSpec(reactContext) {
+
+  override fun getName(): String {
+    return NAME
+  }
+
+  // Two native methods implemented in cpp-adapter.cpp, and ultimately
+  // react-native-uniffi-russh.cpp
+
+  external fun nativeInstallRustCrate(runtimePointer: Long, callInvoker: CallInvokerHolder): Boolean
+  external fun nativeCleanupRustCrate(runtimePointer: Long): Boolean
+
+  override fun installRustCrate(): Boolean {
+    val context = this.reactApplicationContext
+    return nativeInstallRustCrate(
+      context.javaScriptContextHolder!!.get(),
+      context.jsCallInvokerHolder!!
+    )
+  }
+
+  override fun cleanupRustCrate(): Boolean {
+    return nativeCleanupRustCrate(
+      this.reactApplicationContext.javaScriptContextHolder!!.get()
+    )
+  }
+
+  companion object {
+    const val NAME = "UniffiRussh"
+
+    init {
+      System.loadLibrary("react-native-uniffi-russh")
+    }
+  }
+}

packages/react-native-uniffi-russh/android/src/main/java/com/uniffirussh/UniffiRusshPackage.kt

@@ -0,0 +1,34 @@
+// Generated by uniffi-bindgen-react-native
+package com.uniffirussh
+
+import com.facebook.react.TurboReactPackage
+import com.facebook.react.bridge.NativeModule
+import com.facebook.react.bridge.ReactApplicationContext
+import com.facebook.react.module.model.ReactModuleInfo
+import com.facebook.react.module.model.ReactModuleInfoProvider
+import java.util.HashMap
+
+class UniffiRusshPackage : TurboReactPackage() {
+  override fun getModule(name: String, reactContext: ReactApplicationContext): NativeModule? {
+    return if (name == UniffiRusshModule.NAME) {
+      UniffiRusshModule(reactContext)
+    } else {
+      null
+    }
+  }
+
+  override fun getReactModuleInfoProvider(): ReactModuleInfoProvider {
+    return ReactModuleInfoProvider {
+      val moduleInfos: MutableMap<String, ReactModuleInfo> = HashMap()
+      moduleInfos[UniffiRusshModule.NAME] = ReactModuleInfo(
+        UniffiRusshModule.NAME,
+        UniffiRusshModule.NAME,
+        false,  // canOverrideExistingModule
+        false,  // needsEagerInit
+        false,  // isCxxModule
+        true // isTurboModule
+      )
+      moduleInfos
+    }
+  }
+}

packages/react-native-uniffi-russh/cpp/generated/foobar.hpp

@@ -0,0 +1,85 @@
+// This file was autogenerated by some hot garbage in the `uniffi-bindgen-react-native` crate.
+// Trust me, you don't want to mess with it!
+#pragma once
+#include <jsi/jsi.h>
+#include <iostream>
+#include <map>
+#include <memory>
+#include <ReactCommon/CallInvoker.h>
+#include "UniffiCallInvoker.h"
+
+namespace react = facebook::react;
+namespace jsi = facebook::jsi;
+
+class NativeFoobar : public jsi::HostObject {
+  private:
+    // For calling back into JS from Rust.
+    std::shared_ptr<uniffi_runtime::UniffiCallInvoker> callInvoker;
+
+  protected:
+    std::map<std::string,jsi::Value> props;
+    jsi::Value cpp_uniffi_internal_fn_func_ffi__string_to_byte_length(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_internal_fn_func_ffi__string_to_arraybuffer(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_internal_fn_func_ffi__arraybuffer_to_string(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_clone_binaryoperator(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_free_binaryoperator(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_init_callback_vtable_binaryoperator(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_method_binaryoperator_perform(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_clone_calculator(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_free_calculator(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_constructor_calculator_new(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_method_calculator_calculate(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_method_calculator_calculate_more(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_method_calculator_last_result(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_clone_safeaddition(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_free_safeaddition(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_constructor_safeaddition_new(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_method_safeaddition_perform(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_clone_safedivision(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_free_safedivision(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_constructor_safedivision_new(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_method_safedivision_perform(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_func_safe_addition_operator(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_fn_func_safe_division_operator(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_func_safe_addition_operator(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_func_safe_division_operator(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_method_binaryoperator_perform(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_method_calculator_calculate(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_method_calculator_calculate_more(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_method_calculator_last_result(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_method_safeaddition_perform(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_method_safedivision_perform(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_constructor_calculator_new(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_constructor_safeaddition_new(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_foobar_checksum_constructor_safedivision_new(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_ffi_foobar_uniffi_contract_version(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_internal_fn_method_binaryoperator_ffi__bless_pointer(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_internal_fn_method_calculator_ffi__bless_pointer(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_internal_fn_method_safeaddition_ffi__bless_pointer(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+    jsi::Value cpp_uniffi_internal_fn_method_safedivision_ffi__bless_pointer(jsi::Runtime& rt, const jsi::Value& thisVal, const jsi::Value* args, size_t count);
+
+  public:
+    NativeFoobar(jsi::Runtime &rt, std::shared_ptr<uniffi_runtime::UniffiCallInvoker> callInvoker);
+    virtual ~NativeFoobar();
+
+    /**
+     * The entry point into the crate.
+     *
+     * React Native must call `NativeFoobar.registerModule(rt, callInvoker)` before using
+     * the Javascript interface.
+     */
+    static void registerModule(jsi::Runtime &rt, std::shared_ptr<react::CallInvoker> callInvoker);
+
+    /**
+     * Some cleanup into the crate goes here.
+     *
+     * Current implementation is empty, however, this is not guaranteed to always be the case.
+     *
+     * Clients should call `NativeFoobar.unregisterModule(rt)` after final use where possible.
+     */
+    static void unregisterModule(jsi::Runtime &rt);
+
+    virtual jsi::Value get(jsi::Runtime& rt, const jsi::PropNameID& name);
+    virtual void set(jsi::Runtime& rt,const jsi::PropNameID& name,const jsi::Value& value);
+    virtual std::vector<jsi::PropNameID> getPropertyNames(jsi::Runtime& rt);
+};

packages/react-native-uniffi-russh/cpp/react-native-uniffi-russh.cpp

@@ -0,0 +1,16 @@
+// Generated by uniffi-bindgen-react-native
+#include "react-native-uniffi-russh.h"
+#include "generated/foobar.hpp"
+
+namespace uniffirussh {
+	using namespace facebook;
+
+	uint8_t installRustCrate(jsi::Runtime &runtime, std::shared_ptr<react::CallInvoker> callInvoker) {
+		NativeFoobar::registerModule(runtime, callInvoker);
+		return true;
+	}
+
+	uint8_t cleanupRustCrate(jsi::Runtime &runtime) {
+		return false;
+	}
+}

packages/react-native-uniffi-russh/cpp/react-native-uniffi-russh.h

@@ -0,0 +1,15 @@
+#ifndef UNIFFIRUSSH_H
+#define UNIFFIRUSSH_H
+// Generated by uniffi-bindgen-react-native
+#include <cstdint>
+#include <jsi/jsi.h>
+#include <ReactCommon/CallInvoker.h>
+
+namespace uniffirussh {
+  using namespace facebook;
+
+  uint8_t installRustCrate(jsi::Runtime &runtime, std::shared_ptr<react::CallInvoker> callInvoker);
+  uint8_t cleanupRustCrate(jsi::Runtime &runtime);
+}
+
+#endif /* UNIFFIRUSSH_H */

packages/react-native-uniffi-russh/eslint.config.mjs

@@ -24,6 +24,6 @@ export default defineConfig([
     },
   },
   {
-    ignores: ['node_modules/', 'lib/'],
+    ignores: ['node_modules/', 'lib/', 'src/generated/'],
   },
 ]);

packages/react-native-uniffi-russh/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "react-native-uniffi-russh",
-  "version": "0.1.0",
+  "name": "@fressh/react-native-uniffi-russh",
   "description": "Uniffi bindings for russh",
+  "version": "0.0.1",
   "main": "./lib/module/index.js",
   "types": "./lib/typescript/src/index.d.ts",
   "exports": {
@@ -33,7 +33,7 @@
   ],
   "scripts": {
     "ubrn:ios": "ubrn build ios --and-generate && (cd example/ios && pod install)",
-    "ubrn:android": "ubrn build android --and-generate",
+    "ubrn:android": "ubrn build android --and-generate --release",
     "ubrn:web": "ubrn build web",
     "ubrn:checkout": "ubrn checkout",
     "ubrn:clean": "rm -rfv cpp/ android/CMakeLists.txt android/src/main/java android/*.cpp ios/ src/Native* src/index.*ts* src/generated/",
@@ -54,16 +54,10 @@
     "url": "git+https://github.com/EthanShoeDev/fressh.git"
   },
   "author": "EthanShoeDev <13422990+EthanShoeDev@users.noreply.github.com> (https://github.com/EthanShoeDev)",
-  "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/EthanShoeDev/fressh/issues"
-  },
-  "homepage": "https://github.com/EthanShoeDev/fressh#readme",
   "publishConfig": {
     "registry": "https://registry.npmjs.org/"
   },
   "devDependencies": {
-    "@commitlint/config-conventional": "^19.8.1",
     "@eslint/compat": "^1.3.2",
     "@eslint/eslintrc": "^3.3.1",
     "@eslint/js": "^9.35.0",
@@ -73,7 +67,6 @@
     "@release-it/conventional-changelog": "^10.0.1",
     "@types/jest": "^29.5.14",
     "@types/react": "^19.1.0",
-    "commitlint": "^19.8.1",
     "del-cli": "^6.0.0",
     "eslint": "^9.35.0",
     "eslint-config-prettier": "^10.1.8",
@@ -91,9 +84,6 @@
     "react": "*",
     "react-native": "*"
   },
-  "workspaces": [
-    "example"
-  ],
   "packageManager": "pnpm@10.15.1",
   "jest": {
     "preset": "react-native",
@@ -102,30 +92,6 @@
       "<rootDir>/lib/"
     ]
   },
-  "commitlint": {
-    "extends": [
-      "@commitlint/config-conventional"
-    ]
-  },
-  "release-it": {
-    "git": {
-      "commitMessage": "chore: release ${version}",
-      "tagName": "v${version}"
-    },
-    "npm": {
-      "publish": true
-    },
-    "github": {
-      "release": true
-    },
-    "plugins": {
-      "@release-it/conventional-changelog": {
-        "preset": {
-          "name": "angular"
-        }
-      }
-    }
-  },
   "prettier": {
     "quoteProps": "consistent",
     "singleQuote": true,

packages/react-native-uniffi-russh/src/NativeUniffiRussh.ts

@@ -0,0 +1,10 @@
+// Generated by uniffi-bindgen-react-native
+import type { TurboModule } from 'react-native';
+import { TurboModuleRegistry } from 'react-native';
+
+export interface Spec extends TurboModule {
+  installRustCrate(): boolean;
+  cleanupRustCrate(): boolean;
+}
+
+export default TurboModuleRegistry.getEnforcing<Spec>('UniffiRussh');

packages/react-native-uniffi-russh/src/generated/foobar-ffi.ts

@@ -0,0 +1,306 @@
+// This file was autogenerated by some hot garbage in the `uniffi-bindgen-react-native` crate.
+// Trust me, you don't want to mess with it!
+
+import {
+  type StructuralEquality as UniffiStructuralEquality,
+  type UniffiForeignFuture as RuntimeUniffiForeignFuture,
+  type UniffiRustCallStatus,
+  type UniffiRustArcPtr,
+  type UniffiRustFutureContinuationCallback as RuntimeUniffiRustFutureContinuationCallback,
+  type UniffiResult,
+} from 'uniffi-bindgen-react-native';
+
+interface NativeModuleInterface {
+  ubrn_uniffi_internal_fn_func_ffi__string_to_byte_length(
+    string: string,
+    uniffi_out_err: UniffiRustCallStatus
+  ): number;
+  ubrn_uniffi_internal_fn_func_ffi__string_to_arraybuffer(
+    string: string,
+    uniffi_out_err: UniffiRustCallStatus
+  ): Uint8Array;
+  ubrn_uniffi_internal_fn_func_ffi__arraybuffer_to_string(
+    buffer: Uint8Array,
+    uniffi_out_err: UniffiRustCallStatus
+  ): string;
+  ubrn_uniffi_foobar_fn_clone_binaryoperator(
+    ptr: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_free_binaryoperator(
+    ptr: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): void;
+  ubrn_uniffi_foobar_fn_init_callback_vtable_binaryoperator(
+    vtable: UniffiVTableCallbackInterfaceBinaryOperator
+  ): void;
+  ubrn_uniffi_foobar_fn_method_binaryoperator_perform(
+    ptr: bigint,
+    lhs: bigint,
+    rhs: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_clone_calculator(
+    ptr: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_free_calculator(
+    ptr: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): void;
+  ubrn_uniffi_foobar_fn_constructor_calculator_new(
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_method_calculator_calculate(
+    ptr: bigint,
+    op: bigint,
+    lhs: bigint,
+    rhs: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_method_calculator_calculate_more(
+    ptr: bigint,
+    op: bigint,
+    rhs: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_method_calculator_last_result(
+    ptr: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): Uint8Array;
+  ubrn_uniffi_foobar_fn_clone_safeaddition(
+    ptr: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_free_safeaddition(
+    ptr: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): void;
+  ubrn_uniffi_foobar_fn_constructor_safeaddition_new(
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_method_safeaddition_perform(
+    ptr: bigint,
+    lhs: bigint,
+    rhs: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_clone_safedivision(
+    ptr: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_free_safedivision(
+    ptr: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): void;
+  ubrn_uniffi_foobar_fn_constructor_safedivision_new(
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_method_safedivision_perform(
+    ptr: bigint,
+    lhs: bigint,
+    rhs: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_func_safe_addition_operator(
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_fn_func_safe_division_operator(
+    uniffi_out_err: UniffiRustCallStatus
+  ): bigint;
+  ubrn_uniffi_foobar_checksum_func_safe_addition_operator(): number;
+  ubrn_uniffi_foobar_checksum_func_safe_division_operator(): number;
+  ubrn_uniffi_foobar_checksum_method_binaryoperator_perform(): number;
+  ubrn_uniffi_foobar_checksum_method_calculator_calculate(): number;
+  ubrn_uniffi_foobar_checksum_method_calculator_calculate_more(): number;
+  ubrn_uniffi_foobar_checksum_method_calculator_last_result(): number;
+  ubrn_uniffi_foobar_checksum_method_safeaddition_perform(): number;
+  ubrn_uniffi_foobar_checksum_method_safedivision_perform(): number;
+  ubrn_uniffi_foobar_checksum_constructor_calculator_new(): number;
+  ubrn_uniffi_foobar_checksum_constructor_safeaddition_new(): number;
+  ubrn_uniffi_foobar_checksum_constructor_safedivision_new(): number;
+  ubrn_ffi_foobar_uniffi_contract_version(): number;
+  ubrn_uniffi_internal_fn_method_binaryoperator_ffi__bless_pointer(
+    pointer: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): UniffiRustArcPtr;
+  ubrn_uniffi_internal_fn_method_calculator_ffi__bless_pointer(
+    pointer: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): UniffiRustArcPtr;
+  ubrn_uniffi_internal_fn_method_safeaddition_ffi__bless_pointer(
+    pointer: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): UniffiRustArcPtr;
+  ubrn_uniffi_internal_fn_method_safedivision_ffi__bless_pointer(
+    pointer: bigint,
+    uniffi_out_err: UniffiRustCallStatus
+  ): UniffiRustArcPtr;
+}
+
+// Casting globalThis to any allows us to look for `NativeFoobar`
+// if it was added via JSI.
+//
+// We use a getter here rather than simply `globalThis.NativeFoobar` so that
+// if/when the startup sequence isn't just so, an empty value isn't inadvertantly cached.
+const getter: () => NativeModuleInterface = () =>
+  (globalThis as any).NativeFoobar;
+export default getter;
+
+// Structs and function types for calling back into Typescript from Rust.
+export type UniffiRustFutureContinuationCallback = (
+  data: bigint,
+  pollResult: number
+) => void;
+type UniffiForeignFutureFree = (handle: bigint) => void;
+type UniffiCallbackInterfaceFree = (handle: bigint) => void;
+export type UniffiForeignFuture = {
+  handle: bigint;
+  free: UniffiForeignFutureFree;
+};
+export type UniffiForeignFutureStructU8 = {
+  returnValue: number;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteU8 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructU8
+) => void;
+export type UniffiForeignFutureStructI8 = {
+  returnValue: number;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteI8 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructI8
+) => void;
+export type UniffiForeignFutureStructU16 = {
+  returnValue: number;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteU16 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructU16
+) => void;
+export type UniffiForeignFutureStructI16 = {
+  returnValue: number;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteI16 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructI16
+) => void;
+export type UniffiForeignFutureStructU32 = {
+  returnValue: number;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteU32 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructU32
+) => void;
+export type UniffiForeignFutureStructI32 = {
+  returnValue: number;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteI32 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructI32
+) => void;
+export type UniffiForeignFutureStructU64 = {
+  returnValue: bigint;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteU64 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructU64
+) => void;
+export type UniffiForeignFutureStructI64 = {
+  returnValue: bigint;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteI64 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructI64
+) => void;
+export type UniffiForeignFutureStructF32 = {
+  returnValue: number;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteF32 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructF32
+) => void;
+export type UniffiForeignFutureStructF64 = {
+  returnValue: number;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteF64 = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructF64
+) => void;
+export type UniffiForeignFutureStructPointer = {
+  returnValue: bigint;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompletePointer = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructPointer
+) => void;
+export type UniffiForeignFutureStructRustBuffer = {
+  returnValue: Uint8Array;
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteRustBuffer = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructRustBuffer
+) => void;
+export type UniffiForeignFutureStructVoid = {
+  callStatus: UniffiRustCallStatus;
+};
+export type UniffiForeignFutureCompleteVoid = (
+  callbackData: bigint,
+  result: UniffiForeignFutureStructVoid
+) => void;
+type UniffiCallbackInterfaceBinaryOperatorMethod0 = (
+  uniffiHandle: bigint,
+  lhs: bigint,
+  rhs: bigint
+) => UniffiResult<bigint>;
+export type UniffiVTableCallbackInterfaceBinaryOperator = {
+  perform: UniffiCallbackInterfaceBinaryOperatorMethod0;
+  uniffiFree: UniffiCallbackInterfaceFree;
+};
+
+// UniffiRustFutureContinuationCallback is generated as part of the component interface's
+// ffi_definitions. However, we need it in the runtime.
+// We could:
+// (a) do some complicated template logic to ensure the declaration is not generated here (possible)
+// (b) import the generated declaration into the runtime (m a y b e) or…
+// (c) generate the declaration anyway, and use a different declaration in the runtime.
+//
+// We chose (c) here as the simplest. In addition, we perform a compile time check that
+// the two versions of `UniffiRustFutureContinuationCallback` are structurally equivalent.
+//
+// If you see the error:
+// ```
+// Type 'true' is not assignable to type 'false'.(2322)
+// ```
+// Then a new version of uniffi has changed the signature of the callback. Most likely, code in
+// `typescript/src/async-rust-call.ts` will need to be changed.
+//
+// If you see the error:
+// ```
+// Cannot find name 'UniffiRustFutureContinuationCallback'. Did you mean 'RuntimeUniffiRustFutureContinuationCallback'?(2552)
+// ```
+// then you may not be using callbacks or promises, and uniffi is now not generating Futures and callbacks.
+// You should not generate this if that is the case.
+//
+// ('You' being the bindings generator maintainer).
+const isRustFutureContinuationCallbackTypeCompatible: UniffiStructuralEquality<
+  RuntimeUniffiRustFutureContinuationCallback,
+  UniffiRustFutureContinuationCallback
+> = true;
+const isUniffiForeignFutureTypeCompatible: UniffiStructuralEquality<
+  RuntimeUniffiForeignFuture,
+  UniffiForeignFuture
+> = true;

packages/react-native-uniffi-russh/src/index.tsx

@@ -0,0 +1,41 @@
+// Generated by uniffi-bindgen-react-native
+import installer from './NativeUniffiRussh';
+
+// Register the rust crate with Hermes
+// - the boolean flag ensures this loads exactly once, even if the JS
+//   code is reloaded (e.g. during development with metro).
+let rustInstalled = false;
+if (!rustInstalled) {
+  installer.installRustCrate();
+  rustInstalled = true;
+}
+
+// Export the generated bindings to the app.
+export * from './generated/foobar';
+
+// Now import the bindings so we can:
+// - intialize them
+// - export them as namespaced objects as the default export.
+import * as foobar from './generated/foobar';
+
+// Initialize the generated bindings: mostly checksums, but also callbacks.
+// - the boolean flag ensures this loads exactly once, even if the JS code
+//   is reloaded (e.g. during development with metro).
+let initialized = false;
+if (!initialized) {
+  foobar.default.initialize();
+  initialized = true;
+}
+
+// This provides parity with the index.web.ts version of this file.
+// The web version relies on an asynchronous fetch, which this doesn't
+// need, so we just no-op.
+export async function uniffiInitAsync() {
+  // NOOP.
+}
+
+// Export the crates as individually namespaced objects.
+export default {
+  foobar,
+};
+

packages/react-native-uniffi-russh/tsconfig.build.json

@@ -1,4 +1,8 @@
 {
   "extends": "./tsconfig",
-  "exclude": ["example", "lib"]
+  "exclude": ["example", "lib"],
+  "compilerOptions": {
+    "noUnusedParameters": false,
+    "noUnusedLocals": false
+  }
 }

packages/react-native-uniffi-russh/ubrn.config.yaml

@@ -0,0 +1,4 @@
+rust:
+  repo: https://github.com/jhugman/uniffi-starter.git
+  branch: jhugman/bump-uniffi-to-0.29
+  manifestPath: rust/foobar/Cargo.toml