test(ledger): naive serde and determine tx type benchmarks (#1249)

Signed-off-by: Chris Gianelloni <wolf31o2@blinklabs.io>

Author: wolf31o2

ledger/tx_test.go

@@ -21,6 +21,11 @@ import (
 	"github.com/blinklabs-io/gouroboros/ledger"
 )
 
+const (
+	byronTxCborHex = "839f8200d8185824825820a12a839c25a01fa5d118167db5acdbd9e38172ae8f00e5ac0a4997ef792a200700ff9f8282d818584283581c6c9982e7f2b6dcc5eaa880e8014568913c8868d9f0f86eb687b2633ca101581e581c010d876783fb2b4d0d17c86df29af8d35356ed3d1827bf4744f06700001a8dc672c11a000f4240ffa0"
+	conwayTxCborHex = "84a500d9010281825820279184037d249e397d97293738370756da559718fcdefae9924834840046b37b01018282583900923d4b64e1d730a4baf3e6dc433a9686983940f458363f37aad7a1a9568b72f85522e4a17d44a45cd021b9741b55d7cbc635c911625b015e1a00a9867082583900923d4b64e1d730a4baf3e6dc433a9686983940f458363f37aad7a1a9568b72f85522e4a17d44a45cd021b9741b55d7cbc635c911625b015e1b00000001267d7b04021a0002938d031a04e304e70800a100d9010281825820b829480e5d5827d2e1bd7c89176a5ca125c30812e54be7dbdf5c47c835a17f3d5840b13a76e7f2b19cde216fcad55ceeeb489ebab3dcf63ef1539ac4f535dece00411ee55c9b8188ef04b4aa3c72586e4a0ec9b89949367d7270fdddad3b18731403f5f6"
+)
+
 func TestDetermineTransactionType(t *testing.T) {
 	testDefs := []struct {
 		name           string
@@ -29,12 +34,12 @@ func TestDetermineTransactionType(t *testing.T) {
 	}{
 		{
 			name:           "ConwayTx",
-			txCborHex:      "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",
+			txCborHex:      conwayTxCborHex,
 			expectedTxType: 6,
 		},
 		{
 			name:           "ByronTx",
-			txCborHex:      "839f8200d8185824825820a12a839c25a01fa5d118167db5acdbd9e38172ae8f00e5ac0a4997ef792a200700ff9f8282d818584283581c6c9982e7f2b6dcc5eaa880e8014568913c8868d9f0f86eb687b2633ca101581e581c010d876783fb2b4d0d17c86df29af8d35356ed3d1827bf4744f06700001a8dc672c11a000f4240ffa0",
+			txCborHex:      byronTxCborHex,
 			expectedTxType: 0,
 		},
 	}
@@ -47,15 +52,87 @@ func TestDetermineTransactionType(t *testing.T) {
 		if err != nil {
 			t.Fatalf(
 				"DetermineTransactionType failed with an unexpected error: %s",
-				err,
-			)
+				err)
 		}
 		if tmpTxType != testDef.expectedTxType {
 			t.Fatalf(
 				"did not get expected TX type: got %d, wanted %d",
 				tmpTxType,
-				testDef.expectedTxType,
-			)
+				testDef.expectedTxType)
+		}
+	}
+
+}
+
+func BenchmarkDetermineTransactionType_Conway(b *testing.B) {
+	txCbor, _ := hex.DecodeString(conwayTxCborHex)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_, err := ledger.DetermineTransactionType(txCbor)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+// Benchmarks for type determination, deserialization, and serialization across Cardano ledger eras.
+// Note: Conway type determination benchmark covers attempts on Shelley, Allegra, Mary, Alonzo, Babbage eras.
+// Specific deserialization/serialization benchmarks are provided for Byron era.
+// Additional era-specific benchmarks can be added when valid transaction hex strings are available.
+
+func BenchmarkDetermineTransactionType_Byron(b *testing.B) {
+	txCbor, _ := hex.DecodeString(byronTxCborHex)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_, err := ledger.DetermineTransactionType(txCbor)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkTransactionDeserialization_Byron(b *testing.B) {
+	txCbor, _ := hex.DecodeString(byronTxCborHex)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_, err := ledger.NewByronTransactionFromCbor(txCbor)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkTransactionSerialization_Byron(b *testing.B) {
+	txCbor, _ := hex.DecodeString(byronTxCborHex)
+	tx, err := ledger.NewByronTransactionFromCbor(txCbor)
+	if err != nil {
+		b.Fatal(err)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_ = tx.Cbor()
+	}
+}
+
+func BenchmarkTransactionDeserialization_Conway(b *testing.B) {
+	txCbor, _ := hex.DecodeString(conwayTxCborHex)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_, err := ledger.NewConwayTransactionFromCbor(txCbor)
+		if err != nil {
+			b.Fatal(err)
 		}
 	}
 }
+
+func BenchmarkTransactionSerialization_Conway(b *testing.B) {
+	txCbor, _ := hex.DecodeString(conwayTxCborHex)
+	tx, err := ledger.NewConwayTransactionFromCbor(txCbor)
+	if err != nil {
+		b.Fatal(err)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_ = tx.Cbor()
+	}
+}