lib: start mnemonics wrapper development

lib/android/src/main/cpp/CMakeLists.txt

@@ -48,26 +48,45 @@ set(CMAKE_C_VISIBILITY_PRESET hidden)
 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 set(CMAKE_VISIBILITY_INLINES_HIDDEN true)
 
-# Project library
-add_library(${PROJECT_NAME} SHARED)
+### Project libraries
 
-target_sources(
-    ${PROJECT_NAME}
-    PUBLIC
-      http_client.cc
-      jni_cache.cc
-      jni_loader.cc
-      jvm.cc
-      logging.cc
-      wallet.cc
+set(COMMON_SOURCES
+    common/jvm.cc
 )
 
+set(WALLET_SOURCES
+    wallet/http_client.cc
+    wallet/jni_cache.cc
+    wallet/jni_loader.cc
+    wallet/logging.cc
+    wallet/wallet.cc
+)
+
+add_library(monero_wallet SHARED ${COMMON_SOURCES} ${WALLET_SOURCES})
+
 target_link_libraries(
-    ${PROJECT_NAME}
+    monero_wallet
     PRIVATE
-      Monero::wallet_api
+      Monero::wallet2
       log
 )
 
+set(MNEMONICS_SOURCES
+    mnemonics/jni_loader.cc
+)
+
+add_library(monero_mnemonics SHARED ${COMMON_SOURCES} ${MNEMONICS_SOURCES})
+
+target_link_libraries(
+    monero_mnemonics
+    PRIVATE
+      Monero::electrum_words
+      log
+)
+
+target_include_directories(monero_wallet PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}")
+target_include_directories(monero_mnemonics PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}")
+
 # Hide symbols from statically-linked dependencies
-set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS "-Wl,--exclude-libs,ALL")
+set_target_properties(monero_wallet PROPERTIES LINK_FLAGS "-Wl,--exclude-libs,ALL")
+set_target_properties(monero_mnemonics PROPERTIES LINK_FLAGS "-Wl,--exclude-libs,ALL")

lib/android/src/main/cpp/boost/CMakeLists.txt

@@ -42,7 +42,6 @@ ExternalProject_Add(
       --with-date_time
       --with-filesystem
       --with-iostreams
-      --with-program_options
       --with-regex
       --with-serialization
       --with-system
@@ -53,7 +52,6 @@ ExternalProject_Add(
       "<INSTALL_DIR>/lib/libboost_date_time.a"
       "<INSTALL_DIR>/lib/libboost_filesystem.a"
       "<INSTALL_DIR>/lib/libboost_iostreams.a"
-      "<INSTALL_DIR>/lib/libboost_program_options.a"
       "<INSTALL_DIR>/lib/libboost_regex.a"
       "<INSTALL_DIR>/lib/libboost_serialization.a"
       "<INSTALL_DIR>/lib/libboost_system.a"
@@ -88,7 +86,6 @@ link_boost_library(chrono)
 link_boost_library(date_time)
 link_boost_library(filesystem system)
 link_boost_library(iostreams)
-link_boost_library(program_options)
 link_boost_library(regex)
 link_boost_library(serialization)
 link_boost_library(system)

lib/android/src/main/cpp/common/arraysize.h

@@ -0,0 +1,10 @@
+#ifndef COMMON_ARRAYSIZE_H
+#define COMMON_ARRAYSIZE_H
+
+// The arraysize(arr) macro returns the # of elements in an array arr.
+template <typename T, size_t N>
+char (&ArraySizeHelper(T (&array)[N]))[N];
+
+#define arraysize(array) (sizeof(ArraySizeHelper(array)))
+
+#endif  // COMMON_ARRAYSIZE_H

lib/android/src/main/cpp/common/debug.h

@@ -1,5 +1,5 @@
-#ifndef COMMON_H_
-#define COMMON_H_
+#ifndef COMMON_DEBUG_H_
+#define COMMON_DEBUG_H_
 
 #include <stddef.h>
 #include <android/log.h>
@@ -47,10 +47,4 @@
 #define __print_assert(cond, tag, fmt...) \
     __android_log_assert(cond, tag, __second(0, ## fmt, NULL) __rest(fmt))
 
-// The arraysize(arr) macro returns the # of elements in an array arr.
-template <typename T, size_t N>
-char (&ArraySizeHelper(T (&array)[N]))[N];
-
-#define arraysize(array) (sizeof(ArraySizeHelper(array)))
-
-#endif  // COMMON_H_
+#endif  // COMMON_DEBUG_H_

lib/android/src/main/cpp/common/eraser.h

@@ -1,5 +1,5 @@
-#ifndef ERASER_H_
-#define ERASER_H_
+#ifndef COMMON_ERASER_H_
+#define COMMON_ERASER_H_
 
 #include <openssl/crypto.h>
 
@@ -35,4 +35,4 @@ class Eraser {
 
 }  // namespace monero
 
-#endif  // ERASER_H_
+#endif  // COMMON_ERASER_H_

lib/android/src/main/cpp/common/jvm.h

@@ -1,5 +1,5 @@
-#ifndef JVM_H_
-#define JVM_H_
+#ifndef COMMON_JVM_H_
+#define COMMON_JVM_H_
 
 #include <jni.h>
 
@@ -7,7 +7,7 @@
 #include <string>
 #include <vector>
 
-#include "common.h"
+#include "common/debug.h"
 
 namespace monero {
 
@@ -323,4 +323,4 @@ std::vector<char> jvmToNativeByteArray(JNIEnv* env,
 
 }  // namespace monero
 
-#endif  // JVM_H_
+#endif  // COMMON_JVM_H_

lib/android/src/main/cpp/mnemonics/jni_loader.cc

@@ -0,0 +1,16 @@
+#include "common/jvm.h"
+
+namespace monero {
+
+extern "C"
+JNIEXPORT jint
+JNI_OnLoad(JavaVM* vm, void* reserved) {
+  JNIEnv* env = initializeJvm(vm, JNI_VERSION_1_6);
+  if (env == nullptr) {
+    return JNI_ERR;
+  }
+
+  return JNI_VERSION_1_6;
+}
+
+}  // namespace monero

lib/android/src/main/cpp/monero/CMakeLists.txt

@@ -25,6 +25,7 @@ macro(monero_find_all_headers headers_found module_root_dir)
 endmacro()
 
 add_subdirectory(easylogging)
-add_subdirectory(randomx)
+add_subdirectory(electrum_words)
 add_subdirectory(lmdb)
-add_subdirectory(wallet_api)
+add_subdirectory(randomx)
+add_subdirectory(wallet2)

lib/android/src/main/cpp/monero/electrum_words/CMakeLists.txt

@@ -0,0 +1,50 @@
+set(ELECTRUM_WORDS_SOURCES
+    src/mnemonics/electrum-words.cpp
+)
+
+set(ELECTRUM_WORDS_OVERRIDES
+    mlog_override.cc
+)
+
+set(ELECTRUM_WORDS_INCLUDES
+    contrib/epee/include
+    src
+    src/mnemonics
+)
+
+list(TRANSFORM ELECTRUM_WORDS_SOURCES  PREPEND "${MONERO_DIR}/")
+list(TRANSFORM ELECTRUM_WORDS_INCLUDES PREPEND "${MONERO_DIR}/")
+
+set(EASYLOGGING_SOURCE_DIR "${MONERO_DIR}/external/easylogging++")
+
+add_library(
+    electrum_words STATIC ${ELECTRUM_WORDS_SOURCES} ${ELECTRUM_WORDS_OVERRIDES}
+)
+
+target_include_directories(
+    electrum_words
+    PUBLIC
+      "${ELECTRUM_WORDS_INCLUDES}"
+)
+
+# Include external project header directories here.  Workaround for:
+# https://gitlab.kitware.com/cmake/cmake/issues/15052
+target_include_directories(
+    electrum_words
+    SYSTEM PUBLIC
+      "${BOOST_INCLUDE_DIR}"
+      "${LIBSODIUM_INCLUDE_DIR}"
+)
+
+target_link_libraries(
+    electrum_words
+    PUBLIC
+    PRIVATE
+      Monero::easylogging
+      Libsodium::libsodium
+)
+
+# Mnemonics depends on boost::crc that is a header-only library
+add_dependencies(electrum_words Boost)
+
+add_library(Monero::electrum_words ALIAS electrum_words)

lib/android/src/main/cpp/monero/electrum_words/mlog_override.cc

@@ -0,0 +1,10 @@
+#include <string>
+
+#include "easylogging++.h"
+
+void mlog_configure(const std::string& filename_base,
+                    bool console,
+                    const std::size_t max_log_file_size,
+                    const std::size_t max_log_files) {
+  // No-op.
+}

lib/android/src/main/cpp/monero/wallet2/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(WALLET_API_SOURCES
+set(WALLET2_SOURCES
     contrib/epee/src/abstract_http_client.cpp
     contrib/epee/src/byte_slice.cpp
     contrib/epee/src/byte_stream.cpp
@@ -92,20 +92,20 @@ set(WALLET_API_SOURCES
 )
 
 if(ANDROID_ABI STREQUAL "x86_64")
-  list(APPEND WALLET_API_SOURCES src/crypto/CryptonightR_template.S)
+  list(APPEND WALLET2_SOURCES src/crypto/CryptonightR_template.S)
 endif()
 
-set(WALLET_API_OVERRIDES
+set(WALLET2_OVERRIDES
     mlog_override.cc
     i18n_override.cc
     perf_timer_override.cc
 )
 
-set(WALLET_API_PRECOMPILED_HEADERS
+set(WALLET2_PRECOMPILED_HEADERS
     boringssl_compat.h
 )
 
-set(WALLET_API_INCLUDES
+set(WALLET2_INCLUDES
     contrib/epee/include
     external
     external/rapidjson/include
@@ -117,8 +117,8 @@ set(WALLET_API_INCLUDES
     src/wallet/api
 )
 
-list(TRANSFORM WALLET_API_SOURCES  PREPEND "${MONERO_DIR}/")
-list(TRANSFORM WALLET_API_INCLUDES PREPEND "${MONERO_DIR}/")
+list(TRANSFORM WALLET2_SOURCES  PREPEND "${MONERO_DIR}/")
+list(TRANSFORM WALLET2_INCLUDES PREPEND "${MONERO_DIR}/")
 
 set(GENERATED_HEADERS_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated_include")
 
@@ -129,26 +129,26 @@ configure_file("${MONERO_DIR}/src/crypto/wallet/empty.h.in" "${GENERATED_HEADERS
 add_definitions(-DFORCE_USE_HEAP=1)
 
 add_library(
-    wallet_api STATIC ${WALLET_API_SOURCES} ${WALLET_API_OVERRIDES}
+    wallet2 STATIC ${WALLET2_SOURCES} ${WALLET2_OVERRIDES}
 )
 
 target_precompile_headers(
-    wallet_api
+    wallet2
     PRIVATE
-      "${WALLET_API_PRECOMPILED_HEADERS}"
+      "${WALLET2_PRECOMPILED_HEADERS}"
 )
 
 target_include_directories(
-    wallet_api
+    wallet2
     PUBLIC
-      "${WALLET_API_INCLUDES}"
+      "${WALLET2_INCLUDES}"
       "${GENERATED_HEADERS_DIR}"
 )
 
 # Include external project header directories here.  Workaround for:
 # https://gitlab.kitware.com/cmake/cmake/issues/15052
 target_include_directories(
-    wallet_api
+    wallet2
     SYSTEM PUBLIC
       "${BOOST_INCLUDE_DIR}"
       "${LIBSODIUM_INCLUDE_DIR}"
@@ -157,21 +157,19 @@ target_include_directories(
 )
 
 target_link_libraries(
-    wallet_api
+    wallet2
     PUBLIC
       Monero::easylogging
     PRIVATE
       Monero::lmdb
       Monero::randomx
       OpenSSL::SSL
-#      Boost::chrono
       Boost::filesystem
       Boost::iostreams
-#      Boost::program_options
       Boost::serialization
       Boost::thread
       Libsodium::libsodium
       Unbound::unbound
 )
 
-add_library(Monero::wallet_api ALIAS wallet_api)
+add_library(Monero::wallet2 ALIAS wallet2)

lib/android/src/main/cpp/wallet/fd.h

@@ -1,5 +1,5 @@
-#ifndef FD_H_
-#define FD_H_
+#ifndef WALLET_FD_H_
+#define WALLET_FD_H_
 
 #include <unistd.h>
 
@@ -8,8 +8,9 @@
 #include <boost/iostreams/device/file_descriptor.hpp>
 #include <boost/iostreams/stream.hpp>
 
+#include "common/jvm.h"
+
 #include "jni_cache.h"
-#include "jvm.h"
 
 namespace monero {
 
@@ -27,8 +28,7 @@ class ScopedFd {
 
   ScopedFd(JNIEnv* env, const JvmRef<jobject>& parcel_file_descriptor) : m_fd(-1) {
     if (!parcel_file_descriptor.is_null()) {
-      m_fd = parcel_file_descriptor.callIntMethod(env,
-                                                  ParcelFileDescriptor_detachFd);
+      m_fd = parcel_file_descriptor.callIntMethod(env, ParcelFileDescriptor_detachFd);
     }
   }
 
@@ -67,4 +67,4 @@ class ScopedFd {
 
 }  // namespace monero
 
-#endif  // FD_H_
+#endif  // WALLET_FD_H_

lib/android/src/main/cpp/wallet/http_client.cc

@@ -1,7 +1,6 @@
 #include "http_client.h"
 
 #include "jni_cache.h"
-#include "fd.h"
 
 namespace monero {
 

lib/android/src/main/cpp/wallet/http_client.h

@@ -1,7 +1,8 @@
-#ifndef HTTP_CLIENT_H_
-#define HTTP_CLIENT_H_
+#ifndef WALLET_HTTP_CLIENT_H_
+#define WALLET_HTTP_CLIENT_H_
+
+#include "common/jvm.h"
 
-#include "jvm.h"
 #include "fd.h"
 
 #include "net/abstract_http_client.h"
@@ -77,4 +78,4 @@ class RemoteNodeClientFactory : public HttpClientFactory {
 
 }  // namespace monero
 
-#endif  // HTTP_CLIENT_H_
+#endif  // WALLET_HTTP_CLIENT_H_

lib/android/src/main/cpp/wallet/jni_cache.h

@@ -1,7 +1,7 @@
-#ifndef JNI_CACHE_H_
-#define JNI_CACHE_H_
+#ifndef WALLET_JNI_CACHE_H__
+#define WALLET_JNI_CACHE_H__
 
-#include "jvm.h"
+#include "common/jvm.h"
 
 namespace monero {
 
@@ -24,4 +24,4 @@ extern jmethodID ParcelFileDescriptor_detachFd;
 
 }  // namespace monero
 
-#endif  // JNI_CACHE_H_
+#endif  // WALLET_JNI_CACHE_H__

lib/android/src/main/cpp/wallet/jni_loader.cc

@@ -1,5 +1,7 @@
 #include "jni_cache.h"
-#include "jvm.h"
+
+#include "common/jvm.h"
+
 #include "logging.h"
 
 namespace monero {

lib/android/src/main/cpp/wallet/logging.cc

@@ -82,7 +82,7 @@ void JvmLogSink::set_logger(JNIEnv* env, const JvmRef<jobject>& logger) {
 
 extern "C"
 JNIEXPORT void JNICALL
-Java_im_molly_monero_NativeKt_nativeSetLogger(
+Java_im_molly_monero_NativeLoaderKt_nativeSetLogger(
     JNIEnv* env,
     jclass clazz,
     jobject j_logger) {

lib/android/src/main/cpp/wallet/logging.h

@@ -1,11 +1,11 @@
-#ifndef LOGGING_H_
-#define LOGGING_H_
+#ifndef WALLET_LOGGING_H_
+#define WALLET_LOGGING_H_
 
 #include <android/log.h>
 
 #include <string>
 
-#include "jvm.h"
+#include "common/jvm.h"
 
 namespace monero {
 
@@ -47,4 +47,4 @@ class JvmLogSink {
 
 }  // namespace monero
 
-#endif  // LOGGING_H_
+#endif  // WALLET_LOGGING_H_

lib/android/src/main/cpp/wallet/wallet.cc

@@ -6,9 +6,10 @@
 #include <boost/iostreams/device/file_descriptor.hpp>
 #include <boost/iostreams/stream.hpp>
 
-#include "common.h"
+#include "common/debug.h"
+#include "common/eraser.h"
+
 #include "jni_cache.h"
-#include "eraser.h"
 #include "fd.h"
 
 #include "string_tools.h"

lib/android/src/main/cpp/wallet/wallet.h

@@ -1,10 +1,11 @@
-#ifndef WALLET_H_
-#define WALLET_H_
+#ifndef WALLET_WALLET_H_
+#define WALLET_WALLET_H_
 
 #include <ostream>
 
+#include "common/jvm.h"
+
 #include "http_client.h"
-#include "jvm.h"
 
 #include "wallet2.h"
 
@@ -187,4 +188,4 @@ class Wallet : tools::i_wallet2_callback {
 
 }  // namespace monero
 
-#endif  // WALLET_H_
+#endif  // WALLET_WALLET_H_

lib/android/src/main/kotlin/im/molly/monero/Native.kt

@@ -1,17 +0,0 @@
-package im.molly.monero
-
-import java.util.concurrent.atomic.AtomicBoolean
-
-internal object MoneroJni {
-    private val initialized = AtomicBoolean()
-
-    fun loadLibrary(logger: Logger) {
-        if (initialized.getAndSet(true)) {
-            return
-        }
-        System.loadLibrary("monero_jni")
-        nativeSetLogger(logger)
-    }
-}
-
-private external fun nativeSetLogger(logger: Logger)

lib/android/src/main/kotlin/im/molly/monero/NativeLoader.kt

@@ -0,0 +1,25 @@
+package im.molly.monero
+
+import java.util.concurrent.atomic.AtomicBoolean
+
+internal object NativeLoader {
+    private val wallet = AtomicBoolean()
+    private val mnemonics = AtomicBoolean()
+
+    fun loadWalletLibrary(logger: Logger) {
+        if (wallet.getAndSet(true)) {
+            return
+        }
+        System.loadLibrary("monero_wallet")
+        nativeSetLogger(logger)
+    }
+
+    fun loadMnemonicsLibrary() {
+        if (mnemonics.getAndSet(true)) {
+            return
+        }
+        System.loadLibrary("monero_mnemonics")
+    }
+}
+
+private external fun nativeSetLogger(logger: Logger)

lib/android/src/main/kotlin/im/molly/monero/WalletNative.kt

@@ -55,7 +55,7 @@ class WalletNative private constructor(
     private val logger = loggerFor<WalletNative>()
 
     init {
-        MoneroJni.loadLibrary(logger = logger)
+        NativeLoader.loadWalletLibrary(logger = logger)
     }
 
     private val handle: Long = nativeCreate(network.id)

lib/android/src/main/kotlin/im/molly/monero/WalletService.kt

@@ -31,7 +31,7 @@ internal class WalletServiceImpl(
         if (isIsolated) {
             setLoggingAdapter(this)
         }
-        MoneroJni.loadLibrary(logger = logger)
+        NativeLoader.loadWalletLibrary(logger = logger)
     }
 
     private var listener: IWalletServiceListener? = null