initial commit

example/android/test/.gitignore

@@ -0,0 +1,13 @@
+*.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

example/android/test/build.gradle

@@ -0,0 +1,26 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = '1.3.31'
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.4.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

example/android/test/gradle.properties

@@ -0,0 +1,15 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official

example/android/test/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Mon May 27 16:26:41 MSK 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip

example/android/test/gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

example/android/test/gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

example/android/test/settings.gradle

@@ -0,0 +1 @@
+include ':ton'

example/android/test/ton/.gitignore

@@ -0,0 +1 @@
+/build

example/android/test/ton/build.gradle

@@ -0,0 +1,44 @@
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 28
+
+
+    defaultConfig {
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    sourceSets {
+        main {
+            jni.srcDirs = []
+            jniLibs.srcDirs 'src/cpp/prebuilt'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.1.1'
+}

example/android/test/ton/proguard-rules.pro

@@ -0,0 +1,21 @@
+# 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

example/android/test/ton/src/androidTest/java/drinkless/org/ton/TonTest.kt

@@ -0,0 +1,81 @@
+package drinkless.org.ton
+
+import android.content.Context
+import android.support.test.InstrumentationRegistry
+import android.support.test.InstrumentationRegistry.getContext
+import android.support.test.filters.LargeTest
+import android.support.test.filters.SmallTest
+import android.support.test.runner.AndroidJUnit4
+import drinkless.org.ton.Client
+import drinkless.org.ton.TonApi
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
+import kotlin.coroutines.suspendCoroutine
+import kotlinx.coroutines.*;
+
+class ClientKotlin {
+    val client = Client.create(null, null, null);
+    suspend fun send(query: TonApi.Function) : TonApi.Object {
+        return suspendCoroutine<TonApi.Object> {  cont ->
+            client.send(query, {
+                cont.resume(it)
+            },null)
+        }
+    }
+}
+
+@RunWith(AndroidJUnit4::class)
+@SmallTest
+class TonTest {
+    val config = """{
+  "@type": "config.global",
+  "liteclients": [
+    {
+      "@type": "liteclient.config.global",
+      "ip": 1137658550,
+      "port": 4924,
+      "id": {
+        "@type": "pub.ed25519",
+        "key": "peJTw/arlRfssgTuf9BMypJzqOi7SXEqSPSWiEw2U1M="
+      }
+    }
+  ]
+}"""
+    @Test
+    fun createTestWallet() {
+        val client = ClientKotlin()
+        val dir = getContext().getExternalFilesDir(null).toString() + "/";
+        runBlocking {
+            client.send(TonApi.Init(TonApi.Options(config, dir)))
+            val key = client.send(TonApi.CreateNewKey("local password".toByteArray(), "mnemonic password".toByteArray())) as TonApi.Key
+            val walletAddress = client.send(TonApi.TestWalletGetAccountAddress(TonApi.TestWalletInitialAccountState(key.publicKey))) as TonApi.AccountAddress;
+            val testGiverState = client.send(TonApi.TestGiverGetAccountState()) as TonApi.TestGiverAccountState
+
+            client.send(TonApi.TestGiverSendGrams(walletAddress, testGiverState.seqno, 6660000000)) as TonApi.Ok
+
+            while ((client.send(TonApi.GenericGetAccountState(walletAddress)) as TonApi.GenericAccountStateUninited).accountState.balance <= 0L) {
+                delay(1000L)
+            }
+
+            val inputKey = TonApi.InputKey(key, "local password".toByteArray());
+            client.send(TonApi.TestWalletInit(inputKey)) as TonApi.Ok
+
+            while (client.send(TonApi.GenericGetAccountState(walletAddress)) !is TonApi.GenericAccountStateTestWallet) {
+                delay(1000L)
+            }
+
+            val state = client.send(TonApi.GenericGetAccountState(walletAddress)) as TonApi.GenericAccountStateTestWallet
+            val balance = state.accountState.balance
+            client.send(TonApi.GenericSendGrams(inputKey, walletAddress, walletAddress, 10)) as TonApi.Ok
+            while ((client.send(TonApi.GenericGetAccountState(walletAddress)) as TonApi.GenericAccountStateTestWallet).accountState.balance == balance) {
+                delay(1000L)
+            }
+        }
+    }
+}
+

example/android/test/ton/src/androidTest/java/drinkless/org/ton/TonTestJava.java

@@ -0,0 +1,161 @@
+package drinkless.org.ton;
+
+
+import java.util.concurrent.CountDownLatch;
+
+import android.support.test.runner.AndroidJUnit4;
+import android.util.Log;
+import drinkless.org.ton.Client;
+import drinkless.org.ton.TonApi;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static android.support.test.InstrumentationRegistry.getContext;
+
+@RunWith(AndroidJUnit4.class)
+public class TonTestJava {
+    class JavaClient {
+        Client client = Client.create(null, null, null);
+
+        public Object send(TonApi.Function query) {
+            Object[] result = new Object[1];
+            CountDownLatch countDownLatch = new CountDownLatch(1);
+
+            class Callback implements Client.ResultHandler {
+                Object[] result;
+                CountDownLatch countDownLatch;
+
+                Callback(Object[] result, CountDownLatch countDownLatch) {
+                    this.result = result;
+                    this.countDownLatch = countDownLatch;
+                }
+
+                public void onResult(TonApi.Object object) {
+                    if (object instanceof TonApi.Error) {
+                        appendLog(((TonApi.Error) object).message);
+                    } else {
+                        result[0] = object;
+                    }
+                    if (countDownLatch != null) {
+                        countDownLatch.countDown();
+                    }
+                }
+            }
+
+            client.send(query, new Callback(result, countDownLatch) , null);
+            if (countDownLatch != null) {
+                try {
+                    countDownLatch.await();
+                } catch (Throwable e) {
+                    appendLog(e.toString());
+                }
+            }
+            return result[0];
+        }
+    }
+
+    String config =
+            "{" +
+                    "\"@type\": \"config.global\"," +
+                    "\"liteclients\": [" +
+                    "{" +
+                    "\"@type\": \"liteclient.config.global\"," +
+                    "\"ip\": 1137658550," +
+                    "\"port\": 4924," +
+                    "\"id\": {" +
+                    "\"@type\": \"pub.ed25519\"," +
+                    "\"key\": \"peJTw/arlRfssgTuf9BMypJzqOi7SXEqSPSWiEw2U1M=\"" +
+                    "}" +
+                    "}" +
+                    "]" +
+                    "}";
+
+    private void appendLog(String log) {
+        Log.w("XX", log);
+    }
+
+    @Test
+    public void createTestWallet() {
+        appendLog("start...");
+
+            JavaClient client = new JavaClient();
+            Object result = client.send(new TonApi.Init(new TonApi.Options(config, getContext().getExternalFilesDir(null) + "/")));
+            if (!(result instanceof TonApi.Ok)) {
+                appendLog("failed to set config");
+                return;
+            }
+            appendLog("config set ok");
+            TonApi.Key key = (TonApi.Key) client.send(new TonApi.CreateNewKey("local password".getBytes(), "mnemonic password".getBytes()));
+            appendLog("got private key");
+            TonApi.AccountAddress walletAddress = (TonApi.AccountAddress) client.send(new TonApi.TestWalletGetAccountAddress(new TonApi.TestWalletInitialAccountState(key.publicKey)));
+            appendLog("got account address");
+            appendLog("sending grams...");
+            TonApi.TestGiverAccountState testGiverState = (TonApi.TestGiverAccountState) client.send(new TonApi.TestGiverGetAccountState());
+            result = client.send(new TonApi.TestGiverSendGrams(walletAddress, testGiverState.seqno, 6660000000L));
+            if (!(result instanceof TonApi.Ok)) {
+                appendLog("failed to send grams");
+                return;
+            }
+            appendLog("grams sent, getting balance");
+
+            while (true) {
+                TonApi.GenericAccountStateUninited accountStateUninited = (TonApi.GenericAccountStateUninited) client.send(new TonApi.GenericGetAccountState(walletAddress));
+                if (accountStateUninited == null || accountStateUninited.accountState.balance <= 0L) {
+                    try {
+                        Thread.sleep(1000);
+                    } catch (Throwable e) {
+                        appendLog(e.toString());
+                    }
+                } else {
+                    appendLog(String.format("balance = %d", accountStateUninited.accountState.balance));
+                    break;
+                }
+            }
+
+            TonApi.InputKey inputKey = new TonApi.InputKey(key, "local password".getBytes());
+            result = client.send(new TonApi.TestWalletInit(inputKey));
+            if (!(result instanceof TonApi.Ok)) {
+                return;
+            }
+            appendLog("init test wallet ok, getting state...");
+
+            while (true) {
+                TonApi.GenericAccountState accountState = (TonApi.GenericAccountState) client.send(new TonApi.GenericGetAccountState(walletAddress));
+                if (!(accountState instanceof TonApi.GenericAccountStateTestWallet)) {
+                    try {
+                        Thread.sleep(1000);
+                    } catch (Throwable e) {
+                        appendLog(e.toString());
+                    }
+                } else {
+                    appendLog("got account state");
+                    break;
+                }
+            }
+
+            appendLog("sending grams...");
+            TonApi.GenericAccountStateTestWallet state = (TonApi.GenericAccountStateTestWallet) client.send(new TonApi.GenericGetAccountState(walletAddress));
+            long balance = state.accountState.balance;
+            result = client.send(new TonApi.GenericSendGrams(inputKey, walletAddress, walletAddress, 10));
+            if (!(result instanceof TonApi.Ok)) {
+                return;
+            }
+            appendLog(String.format("grams sent, current balance %d, receving...", balance));
+
+            while (true) {
+                TonApi.GenericAccountStateTestWallet wallet = (TonApi.GenericAccountStateTestWallet) client.send(new TonApi.GenericGetAccountState(walletAddress));
+                if (wallet == null || wallet.accountState.balance == balance) {
+                    try {
+                        Thread.sleep(1000);
+                    } catch (Throwable e) {
+                        appendLog(e.toString());
+                    }
+                } else {
+                    appendLog(String.format("grams received, balance = %d", balance));
+                    break;
+                }
+            }
+        appendLog("OK");
+
+    }
+}

example/android/test/ton/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="drinkless.org.ton">
+    <uses-permission android:name="android.permission.INTERNET" />
+</manifest>

example/android/test/ton/src/main/java/drinkless/org/ton/Client.java

@@ -0,0 +1,290 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+package drinkless.org.ton;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+/**
+ * Main class for interaction with the TDLib.
+ */
+public final class Client implements Runnable {
+    static {
+        System.loadLibrary("native-lib");
+    }
+    /**
+     * Interface for handler for results of queries to TDLib and incoming updates from TDLib.
+     */
+    public interface ResultHandler {
+        /**
+         * Callback called on result of query to TDLib or incoming update from TDLib.
+         *
+         * @param object Result of query or update of type TonApi.Update about new events.
+         */
+        void onResult(TonApi.Object object);
+    }
+
+    /**
+     * Interface for handler of exceptions thrown while invoking ResultHandler.
+     * By default, all such exceptions are ignored.
+     * All exceptions thrown from ExceptionHandler are ignored.
+     */
+    public interface ExceptionHandler {
+        /**
+         * Callback called on exceptions thrown while invoking ResultHandler.
+         *
+         * @param e Exception thrown by ResultHandler.
+         */
+        void onException(Throwable e);
+    }
+
+    /**
+     * Sends a request to the TDLib.
+     *
+     * @param query            Object representing a query to the TDLib.
+     * @param resultHandler    Result handler with onResult method which will be called with result
+     *                         of the query or with TonApi.Error as parameter. If it is null, nothing
+     *                         will be called.
+     * @param exceptionHandler Exception handler with onException method which will be called on
+     *                         exception thrown from resultHandler. If it is null, then
+     *                         defaultExceptionHandler will be called.
+     * @throws NullPointerException if query is null.
+     */
+    public void send(TonApi.Function query, ResultHandler resultHandler, ExceptionHandler exceptionHandler) {
+        if (query == null) {
+            throw new NullPointerException("query is null");
+        }
+
+        readLock.lock();
+        try {
+            if (isClientDestroyed) {
+                if (resultHandler != null) {
+                    handleResult(new TonApi.Error(500, "Client is closed"), resultHandler, exceptionHandler);
+                }
+                return;
+            }
+
+            long queryId = currentQueryId.incrementAndGet();
+            handlers.put(queryId, new Handler(resultHandler, exceptionHandler));
+            nativeClientSend(nativeClientId, queryId, query);
+        } finally {
+            readLock.unlock();
+        }
+    }
+
+    /**
+     * Sends a request to the TDLib with an empty ExceptionHandler.
+     *
+     * @param query         Object representing a query to the TDLib.
+     * @param resultHandler Result handler with onResult method which will be called with result
+     *                      of the query or with TonApi.Error as parameter. If it is null, then
+     *                      defaultExceptionHandler will be called.
+     * @throws NullPointerException if query is null.
+     */
+    public void send(TonApi.Function query, ResultHandler resultHandler) {
+        send(query, resultHandler, null);
+    }
+
+    /**
+     * Synchronously executes a TDLib request. Only a few marked accordingly requests can be executed synchronously.
+     *
+     * @param query Object representing a query to the TDLib.
+     * @return request result.
+     * @throws NullPointerException if query is null.
+     */
+    public static TonApi.Object execute(TonApi.Function query) {
+        if (query == null) {
+            throw new NullPointerException("query is null");
+        }
+        return nativeClientExecute(query);
+    }
+
+    /**
+     * Replaces handler for incoming updates from the TDLib.
+     *
+     * @param updatesHandler   Handler with onResult method which will be called for every incoming
+     *                         update from the TDLib.
+     * @param exceptionHandler Exception handler with onException method which will be called on
+     *                         exception thrown from updatesHandler, if it is null, defaultExceptionHandler will be invoked.
+     */
+    public void setUpdatesHandler(ResultHandler updatesHandler, ExceptionHandler exceptionHandler) {
+        handlers.put(0L, new Handler(updatesHandler, exceptionHandler));
+    }
+
+    /**
+     * Replaces handler for incoming updates from the TDLib. Sets empty ExceptionHandler.
+     *
+     * @param updatesHandler Handler with onResult method which will be called for every incoming
+     *                       update from the TDLib.
+     */
+    public void setUpdatesHandler(ResultHandler updatesHandler) {
+        setUpdatesHandler(updatesHandler, null);
+    }
+
+    /**
+     * Replaces default exception handler to be invoked on exceptions thrown from updatesHandler and all other ResultHandler.
+     *
+     * @param defaultExceptionHandler Default exception handler. If null Exceptions are ignored.
+     */
+    public void setDefaultExceptionHandler(Client.ExceptionHandler defaultExceptionHandler) {
+        this.defaultExceptionHandler = defaultExceptionHandler;
+    }
+
+    /**
+     * Overridden method from Runnable, do not call it directly.
+     */
+    @Override
+    public void run() {
+        while (!stopFlag) {
+            receiveQueries(300.0 /*seconds*/);
+        }
+    }
+
+    /**
+     * Creates new Client.
+     *
+     * @param updatesHandler          Handler for incoming updates.
+     * @param updatesExceptionHandler Handler for exceptions thrown from updatesHandler. If it is null, exceptions will be iggnored.
+     * @param defaultExceptionHandler Default handler for exceptions thrown from all ResultHandler. If it is null, exceptions will be iggnored.
+     * @return created Client
+     */
+    public static Client create(ResultHandler updatesHandler, ExceptionHandler updatesExceptionHandler, ExceptionHandler defaultExceptionHandler) {
+        Client client = new Client(updatesHandler, updatesExceptionHandler, defaultExceptionHandler);
+        new Thread(client, "TDLib thread").start();
+        return client;
+    }
+
+    /**
+     * Closes Client.
+     */
+    public void close() {
+        writeLock.lock();
+        try {
+            if (isClientDestroyed) {
+                return;
+            }
+            if (!stopFlag) {
+                //send(new TonApi.Close(), null);
+            }
+            isClientDestroyed = true;
+            while (!stopFlag) {
+                Thread.yield();
+            }
+            while (handlers.size() != 1) {
+                receiveQueries(300.0);
+            }
+            destroyNativeClient(nativeClientId);
+        } finally {
+            writeLock.unlock();
+        }
+    }
+
+    private final ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
+    private final Lock readLock = readWriteLock.readLock();
+    private final Lock writeLock = readWriteLock.writeLock();
+
+    private volatile boolean stopFlag = false;
+    private volatile boolean isClientDestroyed = false;
+    private final long nativeClientId;
+
+    private final ConcurrentHashMap<Long, Handler> handlers = new ConcurrentHashMap<Long, Handler>();
+    private final AtomicLong currentQueryId = new AtomicLong();
+
+    private volatile ExceptionHandler defaultExceptionHandler = null;
+
+    private static final int MAX_EVENTS = 1000;
+    private final long[] eventIds = new long[MAX_EVENTS];
+    private final TonApi.Object[] events = new TonApi.Object[MAX_EVENTS];
+
+    private static class Handler {
+        final ResultHandler resultHandler;
+        final ExceptionHandler exceptionHandler;
+
+        Handler(ResultHandler resultHandler, ExceptionHandler exceptionHandler) {
+            this.resultHandler = resultHandler;
+            this.exceptionHandler = exceptionHandler;
+        }
+    }
+
+    private Client(ResultHandler updatesHandler, ExceptionHandler updateExceptionHandler, ExceptionHandler defaultExceptionHandler) {
+        nativeClientId = createNativeClient();
+        handlers.put(0L, new Handler(updatesHandler, updateExceptionHandler));
+        this.defaultExceptionHandler = defaultExceptionHandler;
+    }
+
+    @Override
+    protected void finalize() throws Throwable {
+        try {
+            close();
+        } finally {
+            super.finalize();
+        }
+    }
+
+    private void processResult(long id, TonApi.Object object) {
+        /*
+        if (object instanceof TonApi.UpdateAuthorizationState) {
+            if (((TonApi.UpdateAuthorizationState) object).authorizationState instanceof TonApi.AuthorizationStateClosed) {
+                stopFlag = true;
+            }
+        }
+        */
+        Handler handler;
+        if (id == 0) {
+            // update handler stays forever
+            handler = handlers.get(id);
+        } else {
+            handler = handlers.remove(id);
+        }
+        if (handler == null) {
+            return;
+        }
+
+        handleResult(object, handler.resultHandler, handler.exceptionHandler);
+    }
+
+    private void handleResult(TonApi.Object object, ResultHandler resultHandler, ExceptionHandler exceptionHandler) {
+        if (resultHandler == null) {
+            return;
+        }
+
+        try {
+            resultHandler.onResult(object);
+        } catch (Throwable cause) {
+            if (exceptionHandler == null) {
+                exceptionHandler = defaultExceptionHandler;
+            }
+            if (exceptionHandler != null) {
+                try {
+                    exceptionHandler.onException(cause);
+                } catch (Throwable ignored) {
+                }
+            }
+        }
+    }
+
+    private void receiveQueries(double timeout) {
+        int resultN = nativeClientReceive(nativeClientId, eventIds, events, timeout);
+        for (int i = 0; i < resultN; i++) {
+            processResult(eventIds[i], events[i]);
+            events[i] = null;
+        }
+    }
+
+    private static native long createNativeClient();
+
+    private static native void nativeClientSend(long nativeClientId, long eventId, TonApi.Function function);
+
+    private static native int nativeClientReceive(long nativeClientId, long[] eventIds, TonApi.Object[] events, double timeout);
+
+    private static native TonApi.Object nativeClientExecute(TonApi.Function function);
+
+    private static native void destroyNativeClient(long nativeClientId);
+}

example/android/test/ton/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">tonlib</string>
+</resources>

example/android/test/ton/src/test/java/drinkless/org/ton/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package drinkless.org.tonlib;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}