Create NostrSignerRemote

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip46RemoteSigner/signer/NostrSignerRemote.kt

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+/**
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.quartz.nip46RemoteSigner.signer
+
+import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip01Core.core.HexKey
+import com.vitorpamplona.quartz.nip01Core.relay.client.INostrClient
+import com.vitorpamplona.quartz.nip01Core.relay.client.reqs.req
+import com.vitorpamplona.quartz.nip01Core.relay.filters.Filter
+import com.vitorpamplona.quartz.nip01Core.relay.normalizer.NormalizedRelayUrl
+import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
+import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerInternal
+import com.vitorpamplona.quartz.nip46RemoteSigner.NostrConnectEvent
+import com.vitorpamplona.quartz.nip57Zaps.LnZapPrivateEvent
+import com.vitorpamplona.quartz.nip57Zaps.LnZapRequestEvent
+
+class NostrSignerRemote(
+    signer: NostrSignerInternal,
+    val remotePubkey: HexKey,
+    val relays: List<NormalizedRelayUrl>,
+    val client: INostrClient,
+) : NostrSigner(signer.pubKey) {
+    val subscription =
+        client.req(
+            relays = relays,
+            filter =
+                Filter(
+                    kinds = listOf(NostrConnectEvent.KIND),
+                    tags = mapOf("p" to listOf(remotePubkey)),
+                ),
+        ) { event ->
+        }
+
+    fun openSubscription() {
+        subscription.updateFilter()
+    }
+
+    fun closeSubscription() {
+        subscription.close()
+    }
+
+    override fun isWriteable(): Boolean = true
+
+    override suspend fun <T : Event> sign(
+        createdAt: Long,
+        kind: Int,
+        tags: Array<Array<String>>,
+        content: String,
+    ): T {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun nip04Encrypt(
+        plaintext: String,
+        toPublicKey: HexKey,
+    ): String {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun nip04Decrypt(
+        ciphertext: String,
+        fromPublicKey: HexKey,
+    ): String {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun nip44Encrypt(
+        plaintext: String,
+        toPublicKey: HexKey,
+    ): String {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun nip44Decrypt(
+        ciphertext: String,
+        fromPublicKey: HexKey,
+    ): String {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun decryptZapEvent(event: LnZapRequestEvent): LnZapPrivateEvent {
+        TODO("Not yet implemented")
+    }
+
+    override suspend fun deriveKey(nonce: HexKey): HexKey {
+        TODO("Not yet implemented")
+    }
+
+    override fun hasForegroundSupport(): Boolean = true
+}