Move wallet in MusicDAO to separate file

app/src/main/java/nl/tudelft/trustchain/app/ui/dashboard/DashboardActivity.kt

@@ -66,19 +66,19 @@ class DashboardActivity : AppCompatActivity() {
     }
 
     private fun hasBluetoothPermissions(): Boolean {
-        return checkSelfPermission(Companion.BLUETOOTH_PERMISSIONS_ADVERTISE) == PackageManager.PERMISSION_GRANTED &&
-            checkSelfPermission(Companion.BLUETOOTH_PERMISSIONS_CONNECT) == PackageManager.PERMISSION_GRANTED &&
-            checkSelfPermission(Companion.BLUETOOTH_PERMISSIONS_SCAN) == PackageManager.PERMISSION_GRANTED
+        return checkSelfPermission(BLUETOOTH_PERMISSIONS_ADVERTISE) == PackageManager.PERMISSION_GRANTED &&
+            checkSelfPermission(BLUETOOTH_PERMISSIONS_CONNECT) == PackageManager.PERMISSION_GRANTED &&
+            checkSelfPermission(BLUETOOTH_PERMISSIONS_SCAN) == PackageManager.PERMISSION_GRANTED
     }
 
     private fun requestBluetoothPermissions() {
         requestPermissions(
             arrayOf(
-                Companion.BLUETOOTH_PERMISSIONS_ADVERTISE,
-                Companion.BLUETOOTH_PERMISSIONS_CONNECT,
-                Companion.BLUETOOTH_PERMISSIONS_SCAN
+                BLUETOOTH_PERMISSIONS_ADVERTISE,
+                BLUETOOTH_PERMISSIONS_CONNECT,
+                BLUETOOTH_PERMISSIONS_SCAN
             ),
-            Companion.BLUETOOTH_PERMISSIONS_REQUEST_CODE
+            BLUETOOTH_PERMISSIONS_REQUEST_CODE
         )
     }
 
@@ -88,7 +88,7 @@ class DashboardActivity : AppCompatActivity() {
         grantResults: IntArray
     ) {
         when (requestCode) {
-            Companion.BLUETOOTH_PERMISSIONS_REQUEST_CODE -> {
+            BLUETOOTH_PERMISSIONS_REQUEST_CODE -> {
                 if (hasBluetoothPermissions()) {
                     (application as TrustChainApplication).initIPv8()
                 } else {
@@ -106,7 +106,7 @@ class DashboardActivity : AppCompatActivity() {
         data: Intent?
     ) {
         when (requestCode) {
-            Companion.SETTINGS_INTENT_CODE -> {
+            SETTINGS_INTENT_CODE -> {
                 if (hasBluetoothPermissions()) {
                     (application as TrustChainApplication).initIPv8()
                 } else {
@@ -132,8 +132,7 @@ class DashboardActivity : AppCompatActivity() {
                             Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
                         val uri: Uri = Uri.fromParts("package", packageName, null)
                         intent.data = uri
-                        @Suppress("DEPRECATION") // TODO: Fix deprecation issue.
-                        startActivityForResult(intent, Companion.SETTINGS_INTENT_CODE)
+                        startActivityForResult(intent, SETTINGS_INTENT_CODE)
                     }
                 }.create()
             }

musicdao/src/main/java/nl/tudelft/trustchain/musicdao/core/coin/WalletManager.kt

@@ -59,7 +59,6 @@ var minBlockchainPeers = MIN_BLOCKCHAIN_PEERS_TEST_NET
  * In these location you can find all information to run the regtest and python server.
  * Make sure to also change the IP's (and URLs) in the kotlin code when swapping to a different server.
  */
-@Suppress("DEPRECATION", "NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
 class WalletManager(
     walletManagerConfiguration: WalletManagerConfiguration,
     walletDir: File,
@@ -91,6 +90,8 @@ class WalletManager(
                 BitcoinNetworkOptions.REG_TEST -> RegTestParams.get()
             }
 
+        val customPrefix = MUSIC_DAO_PREFIX
+
         val filePrefix =
             when (walletManagerConfiguration.network) {
                 BitcoinNetworkOptions.TEST_NET -> TEST_NET_WALLET_NAME
@@ -99,7 +100,7 @@ class WalletManager(
             }
 
         kit =
-            object : WalletAppKit(params, walletDir, filePrefix) {
+            object : WalletAppKit(params, walletDir, customPrefix + filePrefix) {
                 override fun onSetupCompleted() {
                     // Make a fresh new key if no keys in stored wallet.
                     if (wallet().keyChainGroupSize < 1) {
@@ -731,6 +732,8 @@ class WalletManager(
             val creationTime = seed.creationTimeSeconds
             return SerializedDeterministicKey(words, creationTime)
         }
+
+        const val MUSIC_DAO_PREFIX = "musicdao-"
     }
 
     fun toSeed(): SerializedDeterministicKey {

musicdao/src/main/java/nl/tudelft/trustchain/musicdao/core/coin/WalletManagerAndroid.kt

@@ -7,7 +7,6 @@ import android.content.Context
  */
 object WalletManagerAndroid { // TODO: Clean up Thread usage.
     private var walletManager: WalletManager? = null
-    private var context: Context? = null
     var isRunning: Boolean = false
 
     fun getInstance(): WalletManager {
@@ -31,8 +30,6 @@ object WalletManagerAndroid { // TODO: Clean up Thread usage.
                 configuration
                     ?: throw IllegalStateException("Configuration is not set")
 
-            WalletManagerAndroid.context = context
-
             val walletManager =
                 WalletManager(
                     configuration,