cw_decred: add libdcrwallet dependency and link library for android, …

…ios and macos (cake-tech#1240)

* change cw_decred from package to plugin

* add libdcrwallet dependency and link library for android, ios and macos

* remove spvwallet, make some libdcrwallet fns async, light refactor

* libdcrwallet: use json payload returns

* use specific libwallet commit hash

* decred: fix Rename wallet.

---------

Co-authored-by: JoeGruff <joegruffins@gmail.com>

cw_decred/.gitignore

@@ -0,0 +1,39 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# 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
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+.packages
+build/
+
+android/.externalNativeBuild/
+android/.cxx/
+android/libs
+ios/External/
+macos/External/
+
+libdcrwallet.h
+libdcrwallet_bindings.dart

cw_decred/.metadata

@@ -1,10 +1,36 @@
 # 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.
+# This file should be version controlled.
 
 version:
-  revision: b1395592de68cc8ac4522094ae59956dd21a91db
-  channel: stable
+  revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+  channel: unknown
 
-project_type: package
+project_type: plugin
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+      base_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+    - platform: android
+      create_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+      base_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+    - platform: ios
+      create_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+      base_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+    - platform: macos
+      create_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+      base_revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

cw_decred/analysis_options.yaml

@@ -0,0 +1,4 @@
+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

cw_decred/android/.gitignore

@@ -0,0 +1,9 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.cxx

cw_decred/android/build.gradle

@@ -0,0 +1,66 @@
+group 'com.cakewallet.cw_decred'
+version '1.0-SNAPSHOT'
+
+buildscript {
+    ext.kotlin_version = '1.7.10'
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion 31
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
+    sourceSets {
+        main {
+            java.srcDirs += 'src/main/kotlin'
+            jniLibs.srcDirs 'libs' // contains libdcrwallet.so shared libraries
+        }
+    }
+
+    defaultConfig {
+        minSdkVersion 16
+    }
+
+    dependencies {
+        testImplementation 'org.jetbrains.kotlin:kotlin-test'
+        testImplementation 'org.mockito:mockito-core:5.0.0'
+    }
+
+    testOptions {
+        unitTests.all {
+            useJUnitPlatform()
+
+            testLogging {
+               events "passed", "skipped", "failed", "standardOut", "standardError"
+               outputs.upToDateWhen {false}
+               showStandardStreams = true
+            }
+        }
+    }
+}

cw_decred/android/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'cw_decred'

cw_decred/android/src/main/AndroidManifest.xml

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

cw_decred/android/src/main/kotlin/com/cakewallet/cw_decred/CwDecredPlugin.kt

@@ -0,0 +1,35 @@
+package com.cakewallet.cw_decred
+
+import androidx.annotation.NonNull
+
+import io.flutter.embedding.engine.plugins.FlutterPlugin
+import io.flutter.plugin.common.MethodCall
+import io.flutter.plugin.common.MethodChannel
+import io.flutter.plugin.common.MethodChannel.MethodCallHandler
+import io.flutter.plugin.common.MethodChannel.Result
+
+/** CwDecredPlugin */
+class CwDecredPlugin: FlutterPlugin, MethodCallHandler {
+  /// The MethodChannel that will the communication between Flutter and native Android
+  ///
+  /// This local reference serves to register the plugin with the Flutter Engine and unregister it
+  /// when the Flutter Engine is detached from the Activity
+  private lateinit var channel : MethodChannel
+
+  override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
+    channel = MethodChannel(flutterPluginBinding.binaryMessenger, "cw_decred")
+    channel.setMethodCallHandler(this)
+  }
+
+  override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) {
+    if (call.method == "getPlatformVersion") {
+      result.success("Android ${android.os.Build.VERSION.RELEASE}")
+    } else {
+      result.notImplemented()
+    }
+  }
+
+  override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) {
+    channel.setMethodCallHandler(null)
+  }
+}

cw_decred/ios/.gitignore

@@ -0,0 +1,38 @@
+.idea/
+.vagrant/
+.sconsign.dblite
+.svn/
+
+.DS_Store
+*.swp
+profile
+
+DerivedData/
+build/
+GeneratedPluginRegistrant.h
+GeneratedPluginRegistrant.m
+
+.generated/
+
+*.pbxuser
+*.mode1v3
+*.mode2v3
+*.perspectivev3
+
+!default.pbxuser
+!default.mode1v3
+!default.mode2v3
+!default.perspectivev3
+
+xcuserdata
+
+*.moved-aside
+
+*.pyc
+*sync/
+Icon?
+.tags*
+
+/Flutter/Generated.xcconfig
+/Flutter/ephemeral/
+/Flutter/flutter_export_environment.sh

cw_decred/ios/Classes/CwDecredPlugin.swift

@@ -0,0 +1,19 @@
+import Flutter
+import UIKit
+
+public class CwDecredPlugin: NSObject, FlutterPlugin {
+  public static func register(with registrar: FlutterPluginRegistrar) {
+    let channel = FlutterMethodChannel(name: "cw_decred", binaryMessenger: registrar.messenger())
+    let instance = CwDecredPlugin()
+    registrar.addMethodCallDelegate(instance, channel: channel)
+  }
+
+  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+    switch call.method {
+    case "getPlatformVersion":
+      result("iOS " + UIDevice.current.systemVersion)
+    default:
+      result(FlutterMethodNotImplemented)
+    }
+  }
+}

cw_decred/ios/cw_decred.podspec

@@ -0,0 +1,22 @@
+#
+# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html.
+# Run `pod lib lint cw_decred.podspec` to validate before publishing.
+#
+Pod::Spec.new do |s|
+  s.name             = 'cw_decred'
+  s.version          = '0.0.1'
+  s.summary          = 'Cake Wallet Decred'
+  s.description      = 'Cake Wallet wrapper over Decred project'
+  s.homepage         = 'http://cakewallet.com'
+  s.license          = { :file => '../LICENSE' }
+  s.author           = { 'Cake Wallet' => 'support@cakewallet.com' }
+  s.source           = { :path => '.' }
+  s.source_files = 'Classes/**/*'
+  s.dependency 'Flutter'
+  s.platform = :ios, '11.0'
+
+  s.vendored_libraries = 'External/lib/libdcrwallet.a'
+  # Flutter.framework does not contain a i386 slice.
+  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386', "OTHER_LDFLAGS" => "-force_load $(PODS_TARGET_SRCROOT)/External/lib/libdcrwallet.a -lstdc++" }
+  s.swift_version = '5.0'
+end