initial commit

.gitignore

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+# aar 18M,放在在主目录，拷贝到libs下
+**/android/app/libs/WalletCore.aar

SimpleMultiSig.sol

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+pragma solidity ^0.5.0;
+
+contract SimpleMultiSig {
+
+// EIP712 Precomputed hashes:
+// keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract,bytes32 salt)")
+bytes32 constant EIP712DOMAINTYPE_HASH = 0xd87cd6ef79d4e2b95e15ce8abf732db51ec771f1ca2edccf22a46c729ac56472;
+
+// keccak256("Simple MultiSig")
+bytes32 constant NAME_HASH = 0xb7a0bfa1b79f2443f4d73ebb9259cddbcd510b18be6fc4da7d1aa7b1786e73e6;
+
+// keccak256("1")
+bytes32 constant VERSION_HASH = 0xc89efdaa54c0f20c7adf612882df0950f5a951637e0307cdcb4c672f298b8bc6;
+
+// keccak256("MultiSigTransaction(address destination,uint256 value,bytes data,uint256 nonce,address executor,uint256 gasLimit)")
+bytes32 constant TXTYPE_HASH = 0x3ee892349ae4bbe61dce18f95115b5dc02daf49204cc602458cd4c1f540d56d7;
+
+bytes32 constant SALT = 0x251543af6a222378665a76fe38dbceae4871a070b7fdaf5c6c30cf758dc33cc0;
+
+  event Execute(address[] _confirmAddrs, address _destination, uint _value, bytes data);
+  event Deposit(address indexed _from,uint _value);
+
+  // debug events
+  // event DbgExecuteParam(bytes32 sperator, bytes32 txInputHash, bytes32 totalHash, bytes txInput);
+  // event DbgRecover(address _recovered);
+
+  uint public nonce;                 // (only) mutable state
+  uint public threshold;             // immutable state
+  mapping (address => bool) isOwner; // immutable state
+  address[] public ownersArr;        // immutable state
+
+  bytes32 DOMAIN_SEPARATOR;          // hash for EIP712, computed from contract address
+
+  // Note that owners_ must be strictly increasing, in order to prevent duplicates
+  constructor(uint threshold_, address[] memory owners_, uint chainId) public {
+    require(owners_.length <= 10 && threshold_ <= owners_.length && threshold_ > 0, "0<threshold<owners.length");
+
+    address lastAdd = address(0);
+    for (uint i = 0; i < owners_.length; i++) {
+      require(owners_[i] > lastAdd, "repeated owner or not sorted");
+      isOwner[owners_[i]] = true;
+      lastAdd = owners_[i];
+    }
+    ownersArr = owners_;
+    threshold = threshold_;
+
+    DOMAIN_SEPARATOR = keccak256(abi.encode(EIP712DOMAINTYPE_HASH,
+                                            NAME_HASH,
+                                            VERSION_HASH,
+                                            chainId,
+                                            this,
+                                            SALT));
+  }
+
+  // Note that address recovered from signatures must be strictly increasing, in order to prevent duplicates
+  function execute(uint8[] memory sigV, bytes32[] memory sigR, bytes32[] memory sigS,
+    address destination, uint value, bytes memory data, address executor, uint gasLimit) public {
+
+    require(sigR.length == threshold, "R len not equal to threshold");
+    require(sigR.length == sigS.length && sigR.length == sigV.length, "length of r/s/v not match");
+    require(executor == msg.sender || executor == address(0), "wrong executor");
+
+    // EIP712 scheme: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-712.md
+    bytes32 txInputHash = keccak256(abi.encode(TXTYPE_HASH, destination, value, keccak256(data), nonce, executor, gasLimit));
+    bytes32 totalHash = keccak256(abi.encodePacked("\x19\x01", DOMAIN_SEPARATOR, txInputHash));
+
+    // emit DbgExecuteParam(DOMAIN_SEPARATOR, txInputHash, totalHash, abi.encode(TXTYPE_HASH, destination, value, keccak256(data), nonce, executor, gasLimit));
+
+    address lastAdd = address(0); // cannot have address(0) as an owner
+    address[] memory confirmAddrs = new address[](threshold);
+    for (uint i = 0; i < threshold; i++) {
+      address recovered = ecrecover(totalHash, sigV[i], sigR[i], sigS[i]);
+      require(recovered > lastAdd && isOwner[recovered], "Verify sig failed");
+      // emit DbgRecover(recovered);
+      confirmAddrs[i] = recovered;
+      lastAdd = recovered;
+    }
+
+    // If we make it here all signatures are accounted for.
+    // The address.call() syntax is no longer recommended, see:
+    // https://github.com/ethereum/solidity/issues/2884
+    nonce = nonce + 1;
+    bool success = false;
+    assembly { success := call(gasLimit, destination, value, add(data, 0x20), mload(data), 0, 0) }
+    require(success, "not_success");
+    emit Execute(confirmAddrs, destination, value, data);
+  }
+
+  function getVersion() external pure returns (string memory) {
+    return "2.33"; // 版本号随便写的，无意义，
+  }
+
+  function getOwersLength() external view returns (uint8) {
+    return uint8(ownersArr.length); //owners.length <= 10 (see constructor), so type convert is ok
+  }
+
+  function () external payable {
+    emit Deposit(msg.sender, msg.value);
+  }
+}

demo_cold/.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+.dart_tool/
+.flutter-plugins
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Android related
+**/android/**/gradle-wrapper.jar
+**/android/.gradle
+**/android/captures/
+**/android/gradlew
+**/android/gradlew.bat
+**/android/local.properties
+**/android/**/GeneratedPluginRegistrant.java
+
+# iOS/XCode related
+**/ios/**/*.mode1v3
+**/ios/**/*.mode2v3
+**/ios/**/*.moved-aside
+**/ios/**/*.pbxuser
+**/ios/**/*.perspectivev3
+**/ios/**/*sync/
+**/ios/**/.sconsign.dblite
+**/ios/**/.tags*
+**/ios/**/.vagrant/
+**/ios/**/DerivedData/
+**/ios/**/Icon?
+**/ios/**/Pods/
+**/ios/**/.symlinks/
+**/ios/**/profile
+**/ios/**/xcuserdata
+**/ios/.generated/
+**/ios/Flutter/App.framework
+**/ios/Flutter/Flutter.framework
+**/ios/Flutter/Generated.xcconfig
+**/ios/Flutter/app.flx
+**/ios/Flutter/app.zip
+**/ios/Flutter/flutter_assets/
+**/ios/ServiceDefinitions.json
+**/ios/Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!**/ios/**/default.mode1v3
+!**/ios/**/default.mode2v3
+!**/ios/**/default.pbxuser
+!**/ios/**/default.perspectivev3
+!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
+
+
+#
+**/android/**/.project
+**/android/**/.classpath
+**/android/**/.settings/
+
+
+# local files
+local_*
+

demo_cold/.metadata

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+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 20e59316b8b8474554b38493b8ca888794b0234a
+  channel: stable
+
+project_type: app

demo_cold/.vscode/settings.json

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+{
+    "files.exclude": {
+        "**/.classpath": true,
+        "**/.project": true,
+        "**/.settings": true,
+        "**/.factorypath": true
+    }
+}

demo_cold/Makefile

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+fmt:
+	flutter format lib/* -l 120
+buildApk:
+	flutter build apk --target-platform android-arm --split-per-abi
+
+macCleanGradleCache:
+	rm -rf ~/.gradle/caches
+	cd android && gradle cleanBuildCache

demo_cold/README.md

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+# demo_cold
+
+A new Flutter project.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
+
+For help getting started with Flutter, view our
+[online documentation](https://flutter.dev/docs), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.

demo_cold/android/app/build.gradle

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+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+repositories{
+    flatDir{
+        dirs 'libs'
+    }
+}
+android {
+    compileSdkVersion 28
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "io.dabank.sdkdemo.cold.demo_cold"
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    implementation (name:'WalletCore',ext:'aar')
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}

demo_cold/android/app/src/debug/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.dabank.sdkdemo.cold.demo_cold">
+    <!-- Flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

demo_cold/android/app/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.dabank.sdkdemo.cold.demo_cold">
+
+    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
+         calls FlutterMain.startInitialization(this); in its onCreate method.
+         In most cases you can leave this as-is, but you if you want to provide
+         additional functionality it is fine to subclass or reimplement
+         FlutterApplication and put your custom class here. -->
+    <application
+        android:name="io.flutter.app.FlutterApplication"
+        android:label="Demo冷钱包"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- This keeps the window background of the activity showing
+                 until Flutter renders its first frame. It can be removed if
+                 there is no splash screen (such as the default splash screen
+                 defined in @style/LaunchTheme). -->
+            <meta-data
+                android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
+                android:value="true" />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.CAMERA" />
+</manifest>