save

erigon-lib/commitment/hex_patricia_hashed_fuzz_test.go

@@ -21,7 +21,6 @@ package commitment
 import (
 	"bytes"
 	"context"
-	"encoding/binary"
 	"encoding/hex"
 	"math"
 	"math/rand"
@@ -80,32 +79,23 @@ func Fuzz_ProcessUpdate(f *testing.F) {
 	})
 }
 
-// go test -trimpath -v -fuzz=Fuzz_ProcessUpdates_ArbitraryUpdateCount -fuzztime=300s ./commitment
+// go test -trimpath -v -fuzz=Fuzz_ProcessUpdates_ArbitraryUpdateCount2 -fuzztime=300s ./commitment
 
-func Fuzz_ProcessUpdates_ArbitraryUpdateCount(f *testing.F) {
-	ha, _ := hex.DecodeString("0008852883b2850c7a48f4b0eea3ccc4c04e6cb6025e9e8f7db2589c7dae81517c514790cfd6f668903161349e")
+func Fuzz_ProcessUpdates_ArbitraryUpdateCount2(f *testing.F) {
+	//ha, _ := hex.DecodeString("0008852883b2850c7a48f4b0eea3ccc4c04e6cb6025e9e8f7db2589c7dae81517c514790cfd6f668903161349e")
 	ctx := context.Background()
-	f.Add(ha)
+	f.Add(uint16(10_000), uint32(1), uint32(2))
 
-	f.Fuzz(func(t *testing.T, build []byte) {
-		if len(build) < 12 {
-			t.Skip()
-		}
-		i := 0
-		keysCount := binary.BigEndian.Uint32(build[i : i+4])
-		i += 4
-		ks := binary.BigEndian.Uint32(build[i : i+4])
+	f.Fuzz(func(t *testing.T, keysCount uint16, ks, us uint32) {
 		keysSeed := rand.New(rand.NewSource(int64(ks)))
-		i += 4
-		us := binary.BigEndian.Uint32(build[i : i+4])
 		updateSeed := rand.New(rand.NewSource(int64(us)))
 
 		t.Logf("fuzzing %d keys keysSeed=%d updateSeed=%d", keysCount, ks, us)
 
 		plainKeys := make([][]byte, keysCount)
 		updates := make([]Update, keysCount)
 
-		for k := uint32(0); k < keysCount; k++ {
+		for k := uint16(0); k < keysCount; k++ {
 
 			aux := make([]byte, 32)