RevertString fixed + done!

Author: zigtur

src/RevertCustom.huff

@@ -14,5 +14,6 @@
 #define error OnlyHuff()
 
 #define macro MAIN() = takes(0) returns(0) {
-    
+    __ERROR(OnlyHuff) 0x00 mstore
+    0x20 0x00 revert
 }

src/RevertString.huff

@@ -13,5 +13,7 @@
 
 
 #define macro MAIN() = takes(0) returns(0) {
-    
+    0x4f6e6c7920487566660000000000000000000000000000000000000000000000
+    0x00 mstore
+    0x09 0x00 revert
 }

src/SimpleStore.huff

@@ -16,5 +16,32 @@
 
 
 #define macro MAIN() = takes(0) returns(0) {
-    
+    // get 4 first bytes
+    0x00
+    calldataload
+    0xe0
+    shr
+
+    // read()
+    dup1
+    __FUNC_SIG(read) eq
+    read jumpi
+    // store()
+    __FUNC_SIG(store) eq
+    store jumpi
+    0x00 0x00 revert
+
+    read:
+        pop
+        0x00 sload
+        0x00 mstore
+        retvalue jump
+
+    store:
+        0x04 calldataload
+        0x00 sstore
+        retvalue jump
+
+    retvalue:
+        0x20 0x00 return
 }

test/RevertString.t.sol

@@ -23,7 +23,7 @@ contract RevertStringTest is Test {
         require(!success, "call expected to fail");
         assertEq(
             keccak256(bytes("Only Huff")),
-            keccak256(abi.decode(revertData, (bytes))),
+            keccak256(revertData),
             "Expected the call to revert with custom error 'Only Huff' but it didn't "
         );
     }