change op gas cost to match cosmwasm & change version

Author: colmazia

packages/vm/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "owasm-vm"
-version = "0.1.12"
+version = "0.2.0"
 authors = ["Band Protocol <[email protected]>"]
 edition = "2021"
 license = "Apache-2.0"

packages/vm/src/calls.rs

@@ -144,7 +144,7 @@ mod test {
         let mut cache = Cache::new(CacheOptions { cache_size: 10000 });
         let env = MockEnv {};
         let gas_used = run(&mut cache, &code, u64::MAX, true, env).unwrap();
-        assert_eq!(gas_used, 800013 as u64);
+        assert_eq!(gas_used, 2000032500000 as u64);
     }
 
     #[test]
@@ -182,7 +182,7 @@ mod test {
         let mut cache = Cache::new(CacheOptions { cache_size: 10000 });
         let env = MockEnv {};
         let gas_used = run(&mut cache, &code, u64::MAX, true, env).unwrap();
-        assert_eq!(gas_used, 800018 as u64);
+        assert_eq!(gas_used, 2000045000000 as u64);
     }
 
     #[test]

packages/vm/src/store.rs

@@ -6,7 +6,8 @@ use wasmer_middlewares::Metering;
 
 fn cost(_operator: &Operator) -> u64 {
     // A flat fee for each operation
-    1
+    // The target is 1 Teragas per millisecond
+    2_500_000
 }
 
 pub fn make_store() -> Store {