Add a UnsignedEventDeserializer

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/jackson/EventMapper.kt

@@ -60,7 +60,8 @@ class EventMapper {
                         .addSerializer(BunkerRequest::class.java, BunkerRequest.BunkerRequestSerializer())
                         .addDeserializer(BunkerRequest::class.java, BunkerRequest.BunkerRequestDeserializer())
                         .addSerializer(BunkerResponse::class.java, BunkerResponse.BunkerResponseSerializer())
-                        .addDeserializer(BunkerResponse::class.java, BunkerResponse.BunkerResponseDeserializer()),
+                        .addDeserializer(BunkerResponse::class.java, BunkerResponse.BunkerResponseDeserializer())
+                        .addDeserializer(Event::class.java, UnsignedEventDeserializer()),
                 )
 
         fun fromJson(json: String): Event = mapper.readValue(json, Event::class.java)

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/jackson/UnsignedEventDeserializer.kt

@@ -0,0 +1,33 @@
+/**
+ * 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.nip01Core.jackson
+
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer
+import com.vitorpamplona.quartz.nip01Core.core.Event
+
+class UnsignedEventDeserializer : StdDeserializer<Event>(Event::class.java) {
+    override fun deserialize(
+        jp: JsonParser,
+        ctxt: DeserializationContext,
+    ): Event = UnsignedEventManualDeserializer.fromJson(jp.codec.readTree(jp))
+}

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/jackson/UnsignedEventManualDeserializer.kt

@@ -0,0 +1,43 @@
+/**
+ * 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.nip01Core.jackson
+
+import com.fasterxml.jackson.databind.JsonNode
+import com.vitorpamplona.quartz.EventFactory
+import com.vitorpamplona.quartz.nip01Core.core.Event
+
+class UnsignedEventManualDeserializer {
+    companion object {
+        fun fromJson(jsonObject: JsonNode): Event =
+            EventFactory.create(
+                id = jsonObject.get("id")?.asText()?.intern() ?: "",
+                pubKey = jsonObject.get("pubkey")?.asText()?.intern() ?: "",
+                createdAt = jsonObject.get("created_at").asLong(),
+                kind = jsonObject.get("kind").asInt(),
+                tags =
+                    jsonObject.get("tags").toTypedArray {
+                        it.toTypedArray { s -> if (s.isNull) "" else s.asText().intern() }
+                    },
+                content = jsonObject.get("content").asText(),
+                sig = jsonObject.get("sig")?.asText()?.intern() ?: "",
+            )
+    }
+}

quartz/src/test/java/com/vitorpamplona/quartz/nip01Core/jackson/EventDeserializerTest.kt

@@ -0,0 +1,56 @@
+/**
+ * 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.nip01Core.jackson
+
+import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip01Core.crypto.KeyPair
+import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerInternal
+import com.vitorpamplona.quartz.nip01Core.verify
+import com.vitorpamplona.quartz.nip10Notes.TextNoteEvent
+import org.junit.Test
+
+class EventDeserializerTest {
+    @Test
+    fun testUnsignedEvent() {
+        val unsignedEventJson = """{"kind":"1","content":"This is an unsigned event.","created_at":1234,"tags":[]}"""
+        val event = Event.fromJson(unsignedEventJson)
+        assert(event.id.isEmpty())
+        assert(event.pubKey.isEmpty())
+        assert(event.sig.isEmpty())
+        assert(!event.verify())
+    }
+
+    @Test
+    fun testSignedEvent() {
+        val keyPair = KeyPair()
+        val signer = NostrSignerInternal(keyPair)
+
+        val unsignedEvent = TextNoteEvent.build("test")
+        val signedEvent = signer.signerSync.sign(unsignedEvent)!!
+        val eventJson = signedEvent.toJson()
+        val event = Event.fromJson(eventJson)
+
+        assert(event.id.isNotEmpty())
+        assert(event.sig.isNotEmpty())
+        assert(event.pubKey.isNotEmpty())
+        assert(event.verify())
+    }
+}