Benchmark script verification with 100 nested IFs

Author: sipa

src/bench/verify_script.cpp

@@ -71,4 +71,27 @@ static void VerifyScriptBench(benchmark::State& state)
     }
 }
 
+static void VerifyNestedIfScript(benchmark::State& state) {
+    std::vector<std::vector<unsigned char>> stack;
+    CScript script;
+    for (int i = 0; i < 100; ++i) {
+        script << OP_1 << OP_IF;
+    }
+    for (int i = 0; i < 1000; ++i) {
+        script << OP_1;
+    }
+    for (int i = 0; i < 100; ++i) {
+        script << OP_ENDIF;
+    }
+    while (state.KeepRunning()) {
+        auto stack_copy = stack;
+        ScriptError error;
+        bool ret = EvalScript(stack_copy, script, 0, BaseSignatureChecker(), SigVersion::BASE, &error);
+        assert(ret);
+    }
+}
+
+
 BENCHMARK(VerifyScriptBench, 6300);
+
+BENCHMARK(VerifyNestedIfScript, 100);