Moves Sha256 to a pool of digests to double the hashing performance

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

@@ -26,6 +26,8 @@ import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.vitorpamplona.quartz.EventFactory
 import com.vitorpamplona.quartz.nip01Core.jackson.EventMapper
 import com.vitorpamplona.quartz.nip01Core.verify
+import com.vitorpamplona.quartz.nip01Core.verifyId
+import com.vitorpamplona.quartz.nip01Core.verifySignature
 import com.vitorpamplona.quartz.utils.TimeUtils
 import junit.framework.TestCase.assertTrue
 import org.junit.Rule
@@ -42,6 +44,15 @@ import org.junit.runner.RunWith
 class EventBenchmark {
     @get:Rule val benchmarkRule = BenchmarkRule()
 
+    @Test
+    fun parseComplete() {
+        benchmarkRule.measureRepeated {
+            val tree = EventMapper.mapper.readTree(reqResponseEvent)
+            val event = EventMapper.fromJson(tree[2])
+            assertTrue(event.verify())
+        }
+    }
+
     @Test
     fun parseREQString() {
         benchmarkRule.measureRepeated { EventMapper.mapper.readTree(reqResponseEvent) }
@@ -54,13 +65,23 @@ class EventBenchmark {
         benchmarkRule.measureRepeated { EventMapper.fromJson(msg[2]) }
     }
 
+    @Test
+    fun checkId() {
+        val msg = EventMapper.mapper.readTree(reqResponseEvent)
+        val event = EventMapper.fromJson(msg[2])
+        benchmarkRule.measureRepeated {
+            // Should pass
+            assertTrue(event.verifyId())
+        }
+    }
+
     @Test
     fun checkSignature() {
         val msg = EventMapper.mapper.readTree(reqResponseEvent)
         val event = EventMapper.fromJson(msg[2])
         benchmarkRule.measureRepeated {
             // Should pass
-            assertTrue(event.verify())
+            assertTrue(event.verifySignature())
         }
     }
 

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

@@ -25,11 +25,12 @@ 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.utils.sha256
+import com.vitorpamplona.quartz.utils.sha256.sha256
 import junit.framework.TestCase.assertNotNull
 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.
@@ -43,7 +44,7 @@ class Sha256Benchmark {
     val benchmarkRule = BenchmarkRule()
 
     @Test
-    fun sha256() {
+    fun sha256Pool() {
         val event = Event.fromJson(largeKind1Event)
         val byteArray = EventHasher.makeJsonForId(event.pubKey, event.createdAt, event.kind, event.tags, event.content).toByteArray()
 
@@ -52,4 +53,28 @@ class Sha256Benchmark {
             assertNotNull(sha256(byteArray))
         }
     }
+
+    @Test
+    fun sha256NewEachTime() {
+        val event = Event.fromJson(largeKind1Event)
+        val byteArray = EventHasher.makeJsonForId(event.pubKey, event.createdAt, event.kind, event.tags, event.content).toByteArray()
+
+        benchmarkRule.measureRepeated {
+            val digest = MessageDigest.getInstance("SHA-256")
+            assertNotNull(digest.digest(byteArray))
+        }
+    }
+
+    @Test
+    fun sha256Reuse() {
+        val event = Event.fromJson(largeKind1Event)
+        val byteArray = EventHasher.makeJsonForId(event.pubKey, event.createdAt, event.kind, event.tags, event.content).toByteArray()
+
+        val digest = MessageDigest.getInstance("SHA-256")
+
+        benchmarkRule.measureRepeated {
+            assertNotNull(digest.digest(byteArray))
+            digest.reset()
+        }
+    }
 }

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

@@ -26,7 +26,7 @@ import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.vitorpamplona.quartz.nip01Core.crypto.KeyPair
 import com.vitorpamplona.quartz.nip01Core.crypto.Nip01
 import com.vitorpamplona.quartz.utils.RandomInstance
-import com.vitorpamplona.quartz.utils.sha256
+import com.vitorpamplona.quartz.utils.sha256.sha256
 import junit.framework.TestCase.assertNotNull
 import org.junit.Rule
 import org.junit.Test