Optimization: Remove Less-performant Mutators (#447)

* remove dbg

* optimizations

* fmt

* ooops

src/evm/input.rs

@@ -46,6 +46,8 @@ pub enum EVMInputTy {
     Liquidate,
 }
 
+const CALL_VALUE_MAX_BYTES: usize = 21; // 309M ether
+
 /// EVM Input Trait
 pub trait EVMInputT {
     /// Set the contract and ABI
@@ -854,7 +856,7 @@ impl EVMInput {
             return res;
         }
         // make set first 16 bytes to 0
-        (0..16).for_each(|i| {
+        (0..CALL_VALUE_MAX_BYTES).for_each(|i| {
             input_vec[i] = 0;
         });
         input.set_txn_value(EVMU256::try_from_be_slice(input_vec.as_slice()).unwrap());

src/evm/middlewares/coverage.rs

@@ -325,9 +325,10 @@ where
                 SourceCodeResult::SourceCode(source_code) => {
                     self.pc_info.insert((address, *pc), source_code.clone());
                 }
-                _ => {
+                SourceCodeResult::SourceCodeNoPcMatch(_) => {
                     skip_pcs.insert(*pc);
                 }
+                _ => {}
             },
         );
 

src/evm/tokens/uniswap.rs

@@ -93,7 +93,6 @@ pub fn fetch_uniswap_path(onchain: &mut OnChainConfig, token_address: EVMAddress
 
             macro_rules! gen_v3_pair_context {
                 ($pair: expr) => {{
-                    println!("pair: {:?}", $pair);
                     let pair_address = EVMAddress::from_str($pair.pair.as_str()).expect("failed to parse pair");
                     let fee = onchain.get_v3_fee(pair_address);
                     let inner = _gen_v2_pair_context!($pair);
@@ -137,10 +136,10 @@ pub fn fetch_uniswap_path(onchain: &mut OnChainConfig, token_address: EVMAddress
             });
             for pair in &path_parsed.route {
                 if let super::PairContextTy::UniswapV3(inner) = pair {
-                    println!(
-                        "registering code for v3 pair: {:?}",
-                        inner.borrow().inner.uniswap_info.router.unwrap()
-                    );
+                    // println!(
+                    //     "registering code for v3 pair: {:?}",
+                    //     inner.borrow().inner.uniswap_info.router.unwrap()
+                    // );
                     register_code!(inner.borrow().inner.uniswap_info.router.unwrap());
                 }
             }
@@ -235,8 +234,8 @@ fn get_pair(onchain: &mut OnChainConfig, token: &str, network: &str, is_pegged:
         weth,
     );
 
-    println!("original pairs: {:?}", pairs,);
-    println!("token: {:?}", token,);
+    // println!("original pairs: {:?}", pairs,);
+    // println!("token: {:?}", token,);
 
     for pair in &mut pairs {
         add_reserve_info(onchain, pair);
@@ -250,7 +249,7 @@ fn get_pair(onchain: &mut OnChainConfig, token: &str, network: &str, is_pegged:
     if pairs.len() > 3 {
         pairs = pairs[0..3].to_vec();
     }
-    println!("pairs: {:?}", pairs);
+    // println!("pairs: {:?}", pairs);
     pairs
 }
 

src/mutation_utils.rs

@@ -174,21 +174,9 @@ where
 {
     let mutations = tuple_list!(
         BitFlipMutator::new(),
-        ByteFlipMutator::new(),
-        ByteIncMutator::new(),
-        ByteDecMutator::new(),
-        ByteNegMutator::new(),
-        ByteRandMutator::new(),
-        ByteAddMutator::new(),
-        WordAddMutator::new(),
-        DwordAddMutator::new(),
-        QwordAddMutator::new(),
         ByteInterestingMutator::new(),
         WordInterestingMutator::new(),
         DwordInterestingMutator::new(),
-        BytesSetMutator::new(),
-        BytesRandSetMutator::new(),
-        BytesSwapMutator::new(),
         ConstantHintedMutator::new(),
     );
 
@@ -210,30 +198,17 @@ pub fn byte_mutator_with_expansion<I, S>(
     vm_slots: Option<HashMap<EVMU256, EVMU256>>,
 ) -> MutationResult
 where
-    S: State + HasRand + HasMaxSize,
+    S: State + HasRand + HasMaxSize + HasMetadata,
     I: HasBytesVec + Input,
 {
     let mutations = tuple_list!(
         BitFlipMutator::new(),
-        ByteFlipMutator::new(),
-        ByteIncMutator::new(),
-        ByteDecMutator::new(),
-        ByteNegMutator::new(),
-        ByteRandMutator::new(),
-        ByteAddMutator::new(),
-        WordAddMutator::new(),
-        DwordAddMutator::new(),
-        QwordAddMutator::new(),
         ByteInterestingMutator::new(),
         WordInterestingMutator::new(),
         DwordInterestingMutator::new(),
         BytesExpandMutator::new(),
         BytesInsertMutator::new(),
-        BytesRandInsertMutator::new(),
-        BytesSetMutator::new(),
-        BytesRandSetMutator::new(),
-        BytesCopyMutator::new(),
-        BytesSwapMutator::new(),
+        ConstantHintedMutator::new(),
     );
 
     if let Some(vm_slots) = vm_slots {