Adds a Share option with NIP-19 nprofile icon on the User Profile screen

Moves to NProfile instead of NPub to cite users.
Adds Npub or NIP-05 to the QR Screen

quartz/src/main/java/com/vitorpamplona/quartz/encoders/Nip19Bech32.kt

@@ -39,7 +39,9 @@ object Nip19Bech32 {
         ADDRESS,
     }
 
-    enum class TlvTypes(val id: Byte) {
+    enum class TlvTypes(
+        val id: Byte,
+    ) {
         SPECIAL(0),
         RELAY(1),
         AUTHOR(2),
@@ -53,33 +55,59 @@ object Nip19Bech32 {
         )
 
     @Immutable
-    data class ParseReturn(val entity: Entity, val additionalChars: String? = null)
+    data class ParseReturn(
+        val entity: Entity,
+        val additionalChars: String? = null,
+    )
 
     interface Entity
 
     @Immutable
-    data class NSec(val hex: String) : Entity
+    data class NSec(
+        val hex: String,
+    ) : Entity
 
     @Immutable
-    data class NPub(val hex: String) : Entity
+    data class NPub(
+        val hex: String,
+    ) : Entity
 
     @Immutable
-    data class Note(val hex: String) : Entity
+    data class Note(
+        val hex: String,
+    ) : Entity
 
     @Immutable
-    data class NProfile(val hex: String, val relay: List<String>) : Entity
+    data class NProfile(
+        val hex: String,
+        val relay: List<String>,
+    ) : Entity
 
     @Immutable
-    data class NEvent(val hex: String, val relay: List<String>, val author: String?, val kind: Int?) : Entity
+    data class NEvent(
+        val hex: String,
+        val relay: List<String>,
+        val author: String?,
+        val kind: Int?,
+    ) : Entity
 
     @Immutable
-    data class NAddress(val atag: String, val relay: List<String>, val author: String, val kind: Int) : Entity
+    data class NAddress(
+        val atag: String,
+        val relay: List<String>,
+        val author: String,
+        val kind: Int,
+    ) : Entity
 
     @Immutable
-    data class NRelay(val relay: List<String>) : Entity
+    data class NRelay(
+        val relay: List<String>,
+    ) : Entity
 
     @Immutable
-    data class NEmbed(val event: Event) : Entity
+    data class NEmbed(
+        val event: Event,
+    ) : Entity
 
     fun uriToRoute(uri: String?): ParseReturn? {
         if (uri == null) return null
@@ -108,8 +136,8 @@ object Nip19Bech32 {
         type: String,
         key: String?,
         additionalChars: String?,
-    ): ParseReturn? {
-        return try {
+    ): ParseReturn? =
+        try {
             val bytes = (type + key).bechToBytes()
 
             when (type.lowercase()) {
@@ -129,7 +157,6 @@ object Nip19Bech32 {
             Log.w("NIP19 Parser", "Issue trying to Decode NIP19 $key: ${e.message}", e)
             null
         }
-    }
 
     private fun nembed(bytes: ByteArray): NEmbed? {
         if (bytes.isEmpty()) return null
@@ -205,21 +232,30 @@ object Nip19Bech32 {
         author: String?,
         kind: Int?,
         relay: String?,
-    ): String {
-        return TlvBuilder()
+    ): String =
+        TlvBuilder()
             .apply {
                 addHex(TlvTypes.SPECIAL, idHex)
                 addStringIfNotNull(TlvTypes.RELAY, relay)
                 addHexIfNotNull(TlvTypes.AUTHOR, author)
                 addIntIfNotNull(TlvTypes.KIND, kind)
-            }
-            .build()
+            }.build()
             .toNEvent()
-    }
 
-    fun createNEmbed(event: Event): String {
-        return gzip(event.toJson()).toNEmbed()
-    }
+    fun createNProfile(
+        authorPubKeyHex: String,
+        relay: List<String>,
+    ): String =
+        TlvBuilder()
+            .apply {
+                addHex(TlvTypes.SPECIAL, authorPubKeyHex)
+                relay.forEach {
+                    addStringIfNotNull(TlvTypes.RELAY, it)
+                }
+            }.build()
+            .toNProfile()
+
+    fun createNEmbed(event: Event): String = gzip(event.toJson()).toNEmbed()
 
     fun gzip(content: String): ByteArray {
         val bos = ByteArrayOutputStream()
@@ -239,23 +275,24 @@ fun ByteArray.toNote() = Bech32.encodeBytes(hrp = "note", this, Bech32.Encoding.
 
 fun ByteArray.toNEvent() = Bech32.encodeBytes(hrp = "nevent", this, Bech32.Encoding.Bech32)
 
+fun ByteArray.toNProfile() = Bech32.encodeBytes(hrp = "nprofile", this, Bech32.Encoding.Bech32)
+
 fun ByteArray.toNAddress() = Bech32.encodeBytes(hrp = "naddr", this, Bech32.Encoding.Bech32)
 
 fun ByteArray.toLnUrl() = Bech32.encodeBytes(hrp = "lnurl", this, Bech32.Encoding.Bech32)
 
 fun ByteArray.toNEmbed() = Bech32.encodeBytes(hrp = "nembed", this, Bech32.Encoding.Bech32)
 
-fun decodePublicKey(key: String): ByteArray {
-    return when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
+fun decodePublicKey(key: String): ByteArray =
+    when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
         is Nip19Bech32.NSec -> KeyPair(privKey = key.bechToBytes()).pubKey
         is Nip19Bech32.NPub -> parsed.hex.hexToByteArray()
         is Nip19Bech32.NProfile -> parsed.hex.hexToByteArray()
         else -> Hex.decode(key) // crashes on purpose
     }
-}
 
-fun decodePrivateKeyAsHexOrNull(key: String): HexKey? {
-    return try {
+fun decodePrivateKeyAsHexOrNull(key: String): HexKey? =
+    try {
         when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
             is Nip19Bech32.NSec -> parsed.hex
             is Nip19Bech32.NPub -> null
@@ -271,10 +308,9 @@ fun decodePrivateKeyAsHexOrNull(key: String): HexKey? {
         if (e is CancellationException) throw e
         null
     }
-}
 
-fun decodePublicKeyAsHexOrNull(key: String): HexKey? {
-    return try {
+fun decodePublicKeyAsHexOrNull(key: String): HexKey? =
+    try {
         when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
             is Nip19Bech32.NSec -> KeyPair(privKey = key.bechToBytes()).pubKey.toHexKey()
             is Nip19Bech32.NPub -> parsed.hex
@@ -290,10 +326,9 @@ fun decodePublicKeyAsHexOrNull(key: String): HexKey? {
         if (e is CancellationException) throw e
         null
     }
-}
 
-fun decodeEventIdAsHexOrNull(key: String): HexKey? {
-    return try {
+fun decodeEventIdAsHexOrNull(key: String): HexKey? =
+    try {
         when (val parsed = Nip19Bech32.uriToRoute(key)?.entity) {
             is Nip19Bech32.NSec -> null
             is Nip19Bech32.NPub -> null
@@ -309,7 +344,6 @@ fun decodeEventIdAsHexOrNull(key: String): HexKey? {
         if (e is CancellationException) throw e
         null
     }
-}
 
 fun TlvBuilder.addString(
     type: Nip19Bech32.TlvTypes,