Merge branch 'main' of https://github.com/trustwallet/trust-web3-prov…

…ider

.gitignore

@@ -173,5 +173,8 @@ dist
 
 # Finder (MacOS) folder config
 .DS_Store
-
-
+android/build
+android/app/build/*
+android/lib/build/*
+android/.gradle
+local.properties

android/app/build.gradle

@@ -0,0 +1,49 @@
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "com.trust.web3.demo"
+        minSdkVersion 23
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.2.0'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.1.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+
+    implementation "com.louiscad.splitties:splitties-alertdialog-material:3.0.0"
+    implementation "com.trustwallet:wallet-core:2.9.7"
+
+    implementation 'com.github.trustwallet:trust-web3-provider:2.0.0-alpha'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}

android/app/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

android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.trust.web3.demo">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:name=".App"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.MyApplication">
+        <activity android:name=".MainActivity">
+            <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" />
+</manifest>

android/app/src/main/java/com/trust/web3/demo/App.kt

@@ -0,0 +1,9 @@
+package com.trust.web3.demo
+
+import android.app.Application
+
+class App: Application() {
+    init {
+        System.loadLibrary("TrustWalletCore")
+    }
+}

android/app/src/main/java/com/trust/web3/demo/DAppMethod.kt

@@ -0,0 +1,29 @@
+package com.trust.web3.demo
+
+enum class DAppMethod {
+    SIGNTRANSACTION,
+    SIGNPERSONALMESSAGE,
+    SIGNMESSAGE,
+    SIGNTYPEDMESSAGE,
+    ECRECOVER,
+    REQUESTACCOUNTS,
+    WATCHASSET,
+    ADDETHEREUMCHAIN,
+    UNKNOWN;
+
+    companion object {
+        fun fromValue(value: String): DAppMethod {
+            return when (value) {
+                "signTransaction" -> SIGNTRANSACTION
+                "signPersonalMessage" -> SIGNPERSONALMESSAGE
+                "signMessage" -> SIGNMESSAGE
+                "signTypedMessage" -> SIGNTYPEDMESSAGE
+                "ecRecover" -> ECRECOVER
+                "requestAccounts" -> REQUESTACCOUNTS
+                "watchAsset" -> WATCHASSET
+                "addEthereumChain" -> ADDETHEREUMCHAIN
+                else -> UNKNOWN
+            }
+        }
+    }
+}

android/app/src/main/java/com/trust/web3/demo/MainActivity.kt

@@ -0,0 +1,86 @@
+package com.trust.web3.demo
+
+import android.graphics.Bitmap
+import android.net.http.SslError
+import android.os.Bundle
+import android.webkit.SslErrorHandler
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.appcompat.app.AppCompatActivity
+
+class MainActivity : AppCompatActivity() {
+    companion object {
+        private const val DAPP_URL = "https://www.magiceden.io/me"
+        private const val CHAIN_ID = 56
+        private const val RPC_URL = "https://bsc-dataseed2.binance.org"
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContentView(R.layout.activity_main)
+
+        val provderJs = loadProviderJs()
+        val initJs = loadInitJs(
+            CHAIN_ID,
+            RPC_URL
+        )
+        WebView.setWebContentsDebuggingEnabled(true)
+        val webview: WebView = findViewById(R.id.webview)
+        webview.settings.run {
+            javaScriptEnabled = true
+            domStorageEnabled = true
+        }
+        WebAppInterface(this, webview, DAPP_URL).run {
+            webview.addJavascriptInterface(this, "_tw_")
+
+            val webViewClient = object : WebViewClient() {
+                override fun onPageStarted(view: WebView?, url: String?, favicon: Bitmap?) {
+                    super.onPageStarted(view, url, favicon)
+                    view?.evaluateJavascript(provderJs, null)
+                    view?.evaluateJavascript(initJs, null)
+                }
+
+                override fun onReceivedSslError(
+                    view: WebView?,
+                    handler: SslErrorHandler?,
+                    error: SslError?
+                ) {
+                    // Ignore SSL certificate errors
+                    handler?.proceed()
+                    println(error.toString())
+                }
+            }
+            webview.webViewClient = webViewClient
+            webview.loadUrl(DAPP_URL)
+        }
+    }
+
+    private fun loadProviderJs(): String {
+        return resources.openRawResource(R.raw.trust_min).bufferedReader().use { it.readText() }
+    }
+
+    private fun loadInitJs(chainId: Int, rpcUrl: String): String {
+        val source = """
+        (function() {
+            var config = {                
+                ethereum: {
+                    chainId: $chainId,
+                    rpcUrl: "$rpcUrl"
+                },
+                solana: {
+                    cluster: "mainnet-beta",
+                },
+                isDebug: true
+            };
+            trustwallet.ethereum = new trustwallet.Provider(config);
+            trustwallet.solana = new trustwallet.SolanaProvider(config);
+            trustwallet.postMessage = (json) => {
+                window._tw_.postMessage(JSON.stringify(json));
+            }
+            window.ethereum = trustwallet.ethereum;
+        })();
+        """
+        return  source
+    }
+}

android/app/src/main/java/com/trust/web3/demo/Numeric.kt

@@ -0,0 +1,65 @@
+package com.trust.web3.demo
+
+import kotlin.experimental.and
+
+object Numeric {
+    fun containsHexPrefix(input: String): Boolean {
+        return input.length > 1 && input[0] == '0' && input[1] == 'x'
+    }
+
+    fun cleanHexPrefix(input: String): String {
+        return if (containsHexPrefix(input)) {
+            input.substring(2)
+        } else {
+            input
+        }
+    }
+
+    fun hexStringToByteArray(input: String): ByteArray {
+        val cleanInput = cleanHexPrefix(input)
+
+        val len = cleanInput.length
+
+        if (len == 0) {
+            return byteArrayOf()
+        }
+
+        val data: ByteArray
+        val startIdx: Int
+        if (len % 2 != 0) {
+            data = ByteArray(len / 2 + 1)
+            data[0] = Character.digit(cleanInput[0], 16).toByte()
+            startIdx = 1
+        } else {
+            data = ByteArray(len / 2)
+            startIdx = 0
+        }
+
+        var i = startIdx
+        while (i < len) {
+            data[(i + 1) / 2] =
+                ((Character.digit(cleanInput[i], 16) shl 4) + Character.digit(
+                    cleanInput[i + 1],
+                    16
+                )).toByte()
+            i += 2
+        }
+        return data
+    }
+
+    fun toHexString(input: ByteArray?, offset: Int, length: Int, withPrefix: Boolean): String {
+        val stringBuilder = StringBuilder()
+        if (withPrefix) {
+            stringBuilder.append("0x")
+        }
+        for (i in offset until offset + length) {
+            stringBuilder.append(String.format("%02x", input!![i] and 0xFF.toByte()))
+        }
+
+        return stringBuilder.toString()
+    }
+
+    fun toHexString(input: ByteArray?): String {
+        return toHexString(input, 0, input!!.size, true)
+    }
+}