Simplifies NIP-05 processing

amethyst/src/main/java/com/vitorpamplona/amethyst/service/Nip05NostrAddressVerifier.kt

@@ -28,15 +28,13 @@ import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.coroutines.executeAsync
 
-class Nip05NostrAddressVerifier {
+object Nip05NostrAddressVerifier {
     suspend fun fetchNip05Json(
         nip05: String,
         okHttpClient: (String) -> OkHttpClient,
         onSuccess: suspend (String) -> Unit,
         onError: (String) -> Unit,
     ) = withContext(Dispatchers.IO) {
-        checkNotInMainThread()
-
         val url = Nip05().assembleUrl(nip05)
 
         if (url == null) {
@@ -73,15 +71,10 @@ class Nip05NostrAddressVerifier {
         onSuccess: suspend (String) -> Unit,
         onError: (String) -> Unit,
     ) {
-        // check fails on tests
-        checkNotInMainThread()
-
         fetchNip05Json(
             nip05,
             okHttpClient,
             onSuccess = {
-                checkNotInMainThread()
-
                 Nip05().parseHexKeyFor(nip05, it.lowercase()).fold(
                     onSuccess = { hexKey ->
                         if (hexKey == null) {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/AccountStateViewModel.kt

@@ -214,7 +214,7 @@ class AccountStateViewModel : ViewModel() {
                     loginSync(newKey, transientAccount, loginWithExternalSigner, packageName, onError)
                 }
             } else if (EMAIL_PATTERN.matcher(key).matches()) {
-                Nip05NostrAddressVerifier().verifyNip05(
+                Nip05NostrAddressVerifier.verifyNip05(
                     key,
                     okHttpClient = { Amethyst.instance.okHttpClients.getHttpClient(false) },
                     onSuccess = { publicKey ->

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/AccountViewModel.kt

@@ -941,7 +941,7 @@ class AccountViewModel(
         val nip05 = userMetadata.nip05?.ifBlank { null } ?: return
 
         viewModelScope.launch(Dispatchers.IO) {
-            Nip05NostrAddressVerifier()
+            Nip05NostrAddressVerifier
                 .verifyNip05(
                     nip05,
                     okHttpClient = httpClientBuilder::okHttpClientForNip05,