txscript: Add benchmark for isAnyKindOfScriptHash.

txscript/bench_test.go

@@ -223,3 +223,18 @@ func BenchmarkGetSigOpCount(b *testing.B) {
 		_ = GetSigOpCount(script)
 	}
 }
+
+// BenchmarkIsAnyKindOfScriptHash benchmarks how long it takes to
+// isAnyKindOfScriptHash to analyze operations of a very large script.
+func BenchmarkIsAnyKindOfScriptHash(b *testing.B) {
+	script, err := genComplexScript()
+	if err != nil {
+		b.Fatalf("failed to create benchmark script: %v", err)
+	}
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		pops, _ := parseScript(script)
+		_ = isAnyKindOfScriptHash(pops)
+	}
+}