Deletes experimental serializer on NIP-01

Moves classes to the appropriate packages on NIP-01
Adds a PoW miner to quartz.
Adds a PoW commit evaluator as a bytearray of the ID

benchmark/src/androidTest/java/com/vitorpamplona/quartz/benchmark/CacheBenchmark.kt

@@ -26,8 +26,8 @@ import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
 import com.fasterxml.jackson.module.kotlin.readValue
 import com.vitorpamplona.amethyst.commons.data.LargeCache
-import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.jackson.EventMapper
 import org.junit.Assert.assertTrue
 import org.junit.Rule

benchmark/src/androidTest/java/com/vitorpamplona/quartz/benchmark/EventCmdSerializerBenchmark.kt

@@ -25,11 +25,10 @@ import androidx.benchmark.junit4.measureRepeated
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.quartz.nip01Core.core.Event
-import com.vitorpamplona.quartz.nip01Core.experimental.Nip01Serializer
+import com.vitorpamplona.quartz.utils.sha256.Sha256Hasher
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
-import java.security.MessageDigest
 
 /**
  * Benchmark, which will execute on an Android device.
@@ -50,16 +49,6 @@ class EventCmdSerializerBenchmark {
         }
     }
 
-    @Test
-    fun eventSerializerManualTest() {
-        val event = Event.fromJson(largeKind1Event)
-
-        benchmarkRule.measureRepeated {
-            val mapper = Nip01Serializer.StringWriter()
-            Nip01Serializer().serializeEventInto(event, mapper)
-        }
-    }
-
     val specialEncoders =
         "Test\b\bTest\n\nTest\t\tTest\u000c\u000cTest\r\rTest\\Test\\\\Test\"Test/Test//Test"
 
@@ -71,28 +60,12 @@ class EventCmdSerializerBenchmark {
         }
     }
 
-    @Test
-    fun jsonStringEncoderOurs() {
-        val serializer = Nip01Serializer()
-        benchmarkRule.measureRepeated {
-            serializer.escapeStringInto(specialEncoders, Nip01Serializer.StringWriter())
-        }
-    }
-
     @Test
     fun jsonStringEncoderSha256Jackson() {
         val jsonMapper = jacksonObjectMapper()
         benchmarkRule.measureRepeated {
-            val digest = MessageDigest.getInstance("SHA-256")
-            digest.update(jsonMapper.writeValueAsString(specialEncoders).toByteArray())
-        }
-    }
-
-    @Test
-    fun jsonStringEncoderSha256Ours() {
-        val serializer = Nip01Serializer()
-        benchmarkRule.measureRepeated {
-            serializer.escapeStringInto(specialEncoders, Nip01Serializer.BufferedDigestWriter(MessageDigest.getInstance("SHA-256")))
+            val digest = Sha256Hasher()
+            digest.hash(jsonMapper.writeValueAsString(specialEncoders).toByteArray())
         }
     }
 }

benchmark/src/androidTest/java/com/vitorpamplona/quartz/benchmark/GiftWrapReceivingBenchmark.kt

@@ -24,8 +24,8 @@ import androidx.benchmark.junit4.BenchmarkRule
 import androidx.benchmark.junit4.measureRepeated
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip01Core.core.hexToByteArray
 import com.vitorpamplona.quartz.nip01Core.crypto.KeyPair
-import com.vitorpamplona.quartz.nip01Core.hexToByteArray
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSigner
 import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerInternal
 import com.vitorpamplona.quartz.nip01Core.tags.people.PTag

benchmark/src/androidTest/java/com/vitorpamplona/quartz/benchmark/LargeCacheBenchmark.kt

@@ -26,8 +26,8 @@ import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
 import com.fasterxml.jackson.module.kotlin.readValue
 import com.vitorpamplona.amethyst.commons.data.LargeCache
-import com.vitorpamplona.quartz.nip01Core.HexKey
 import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import com.vitorpamplona.quartz.nip01Core.jackson.EventMapper
 import org.junit.Assert.assertTrue
 import org.junit.Rule

benchmark/src/androidTest/java/com/vitorpamplona/quartz/benchmark/PoWBenchmark.kt

@@ -0,0 +1,97 @@
+/**
+ * Copyright (c) 2024 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.benchmark
+
+import androidx.benchmark.junit4.BenchmarkRule
+import androidx.benchmark.junit4.measureRepeated
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.vitorpamplona.quartz.nip01Core.core.hexToByteArray
+import com.vitorpamplona.quartz.nip01Core.crypto.KeyPair
+import com.vitorpamplona.quartz.nip01Core.signers.EventTemplate
+import com.vitorpamplona.quartz.nip01Core.signers.NostrSignerSync
+import com.vitorpamplona.quartz.nip10Notes.TextNoteEvent
+import com.vitorpamplona.quartz.nip13Pow.miner.PoWMiner
+import com.vitorpamplona.quartz.nip13Pow.miner.PoWRankEvaluator
+import com.vitorpamplona.quartz.nip13Pow.pow
+import com.vitorpamplona.quartz.nip13Pow.powNonce
+import org.junit.Assert.assertEquals
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * Benchmark, which will execute on an Android device.
+ *
+ * The body of [BenchmarkRule.measureRepeated] is measured in a loop, and Studio will output the
+ * result. Modify your code to see how it affects performance.
+ */
+@RunWith(AndroidJUnit4::class)
+class PoWBenchmark {
+    @get:Rule
+    val benchmarkRule = BenchmarkRule()
+
+    val baseTemplate =
+        EventTemplate<TextNoteEvent>(
+            1683596206,
+            TextNoteEvent.KIND,
+            arrayOf(
+                arrayOf("e", "27ac621d7dc4a932e1a79f984308e7d20656dd6fddb2ce9cdfcb6a67b9a7bcc3", "", "root"),
+                arrayOf("e", "be7245af96210a0dd048cab4ad38e52dbd6c09a53ea21a7edb6be8898e5727cc", "", "reply"),
+                arrayOf("p", "22aa81510ee63fe2b16cae16e0921f78e9ba9882e2868e7e63ad6d08ae9b5954"),
+                arrayOf("p", "22aa81510ee63fe2b16cae16e0921f78e9ba9882e2868e7e63ad6d08ae9b5954"),
+                arrayOf("p", "3f770d65d3a764a9c5cb503ae123e62ec7598ad035d836e2a810f3877a745b24"),
+                arrayOf("p", "ec4d241c334311b3a304433ee3442be29d0e88e7ec19b85edf2bba29b93565e2"),
+                arrayOf("p", "0fe0b18b4dbf0e0aa40fcd47209b2a49b3431fc453b460efcf45ca0bd16bd6ac"),
+                arrayOf("p", "8c0da4862130283ff9e67d889df264177a508974e2feb96de139804ea66d6168"),
+                arrayOf("p", "63fe6318dc58583cfe16810f86dd09e18bfd76aabc24a0081ce2856f330504ed"),
+                arrayOf("p", "4523be58d395b1b196a9b8c82b038b6895cb02b683d0c253a955068dba1facd0"),
+                arrayOf("p", "460c25e682fda7832b52d1f22d3d22b3176d972f60dcdc3212ed8c92ef85065c"),
+            ),
+            "Astral:\n\nhttps://void.cat/d/A5Fba5B1bcxwEmeyoD9nBs.webp\n\nIris:\n\nhttps://void.cat/d/44hTcVvhRps6xYYs99QsqA.webp\n\nSnort:\n\nhttps://void.cat/d/4nJD5TRePuQChM5tzteYbU.webp\n\nAmethyst agrees with Astral which I suspect are both wrong. nostr:npub13sx6fp3pxq5rl70x0kyfmunyzaa9pzt5utltjm0p8xqyafndv95q3saapa nostr:npub1v0lxxxxutpvrelsksy8cdhgfux9l6a42hsj2qzquu2zk7vc9qnkszrqj49 nostr:npub1g53mukxnjkcmr94fhryzkqutdz2ukq4ks0gvy5af25rgmwsl4ngq43drvk nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z ",
+        )
+
+    @Test
+    fun generatePow() {
+        val signer = NostrSignerSync(KeyPair())
+        var template: EventTemplate<TextNoteEvent>? = null
+        benchmarkRule.measureRepeated {
+            template = PoWMiner.run(baseTemplate, signer.pubKey, 5)
+        }
+        val event = signer.sign(template!!)
+        assertEquals(5, event?.pow())
+        println("POW: " + event?.powNonce()?.nonce)
+    }
+
+    @Test
+    fun setPoWCalculationHex() {
+        benchmarkRule.measureRepeated {
+            assertEquals(26, PoWRankEvaluator.calculatePowRankOf("00000026c91e9fc75fdb95b367776e2594b931cebda6d5ca3622501006669c9e"))
+        }
+    }
+
+    @Test
+    fun setPoWCalculationBytes() {
+        val bytes = "00000026c91e9fc75fdb95b367776e2594b931cebda6d5ca3622501006669c9e".hexToByteArray()
+        benchmarkRule.measureRepeated {
+            assertEquals(26, PoWRankEvaluator.calculatePowRankOf(bytes))
+        }
+    }
+}

benchmark/src/androidTest/java/com/vitorpamplona/quartz/benchmark/Sha256Benchmark.kt

@@ -23,8 +23,8 @@ package com.vitorpamplona.quartz.benchmark
 import androidx.benchmark.junit4.BenchmarkRule
 import androidx.benchmark.junit4.measureRepeated
 import androidx.test.ext.junit.runners.AndroidJUnit4
-import com.vitorpamplona.quartz.nip01Core.EventHasher
 import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip01Core.crypto.EventHasher
 import com.vitorpamplona.quartz.utils.sha256.sha256
 import junit.framework.TestCase.assertNotNull
 import org.junit.Rule