Approximate other gas costs

engine-tests/src/test_utils/standard_precompiles.rs

@@ -49,8 +49,7 @@ impl PrecompilesContract {
             "test_modexp",
             "test_ecadd",
             "test_ecmul",
-            // TODO(#46): ecpair uses up all the gas (by itself) for some reason, need to look into this.
-            // "test_ecpair",
+            "test_ecpair",
             "test_blake2f",
             "test_all",
         ]

engine-tests/src/tests/standard_precompiles.rs

@@ -1,15 +1,21 @@
 use crate::prelude::Wei;
-use crate::test_utils::{
-    self,
-    standard_precompiles::{PrecompilesConstructor, PrecompilesContract},
-    AuroraRunner, Signer,
-};
+use crate::test_utils::{self, standard_precompiles::{PrecompilesConstructor, PrecompilesContract}, AuroraRunner, Signer, ExecutionProfile};
 
 const INITIAL_BALANCE: Wei = Wei::new_u64(1000);
 const INITIAL_NONCE: u64 = 0;
 
+fn precompile_execution_profile(method: &str) -> ExecutionProfile {
+    let (mut runner, mut signer, contract) = initialize();
+    let (_result, profile) = runner
+        .submit_with_signer_profiled(&mut signer, |nonce| {
+            contract.call_method(method, nonce)
+        })
+        .unwrap();
+    profile
+}
+
 #[test]
-fn standard_precompiles() {
+fn test_standard_precompiles() {
     let (mut runner, mut signer, contract) = initialize();
 
     let outcome = runner
@@ -20,16 +26,57 @@ fn standard_precompiles() {
 }
 
 #[test]
-fn ecpair() {
-    let (mut runner, mut signer, contract) = initialize();
+fn profile_ecrecover() {
+    let profile = precompile_execution_profile("test_ecrecover");
+    test_utils::assert_gas_bound(profile.all_gas(), 6);
+}
 
-    let (_result, profile) = runner
-        .submit_with_signer_profiled(&mut signer, |nonce| {
-            contract.call_method("test_ecpair", nonce)
-        })
-        .unwrap();
+#[test]
+fn profile_sha256() {
+    let profile = precompile_execution_profile("test_sha256");
+    test_utils::assert_gas_bound(profile.all_gas(), 5);
+}
+
+#[test]
+fn profile_ripemd160() {
+    let profile = precompile_execution_profile("test_ripemd160");
+    test_utils::assert_gas_bound(profile.all_gas(), 5);
+}
 
-    assert!(profile.all_gas() < 200_000_000_000_000);
+#[test]
+fn profile_identity() {
+    let profile = precompile_execution_profile("test_identity");
+    test_utils::assert_gas_bound(profile.all_gas(), 5);
+}
+
+#[test]
+fn profile_modexp() {
+    let profile = precompile_execution_profile("test_modexp");
+    test_utils::assert_gas_bound(profile.all_gas(), 7);
+}
+
+#[test]
+fn profile_ecadd() {
+    let profile = precompile_execution_profile("test_ecadd");
+    test_utils::assert_gas_bound(profile.all_gas(), 5);
+}
+
+#[test]
+fn profile_ecmul() {
+    let profile = precompile_execution_profile("test_ecmul");
+    test_utils::assert_gas_bound(profile.all_gas(), 6);
+}
+
+#[test]
+fn profile_ecpair() {
+    let profile = precompile_execution_profile("test_ecpair");
+    test_utils::assert_gas_bound(profile.all_gas(), 102);
+}
+
+#[test]
+fn profile_blake2f() {
+    let profile = precompile_execution_profile("test_blake2f");
+    test_utils::assert_gas_bound(profile.all_gas(), 6);
 }
 
 fn initialize() -> (AuroraRunner, Signer, PrecompilesContract) {