From 7bac9659efa29b6555d701bcaf73cdaf3da89165 Mon Sep 17 00:00:00 2001
From: Yan Chen <48968912+chenyan-dfinity@users.noreply.github.com>
Date: Wed, 25 Oct 2023 14:18:40 -0700
Subject: [PATCH] add 1 cost for wasm function (#49)

---
 src/instrumentation.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/instrumentation.rs b/src/instrumentation.rs
index 02f50aa..569a033 100644
--- a/src/instrumentation.rs
+++ b/src/instrumentation.rs
@@ -160,6 +160,10 @@ fn inject_metering(
         // Finding injection points
         let mut injection_points = vec![];
         let mut curr = InjectionPoint::new();
+        // each function has at least a unit cost
+        if seq_id == start && use_new_metering {
+            curr.cost += 1;
+        }
         for (pos, (instr, _)) in seq.instrs.iter().enumerate() {
             curr.position = pos;
             match instr {