Handle an edgecase from local host clients (#1550)

* Handle an edgecase from local host clients

* Fix eth-typing

mythril/support/loader.py

@@ -37,9 +37,12 @@ class DynLoader:
         if not self.eth:
             raise ValueError("Cannot load from the storage when eth is None")
 
-        return self.eth.eth_getStorageAt(
+        value = self.eth.eth_getStorageAt(
             contract_address, position=index, block="latest"
         )
+        if value == "0x":
+            value = "0x0000000000000000000000000000000000000000000000000000000000000000"
+        return value
 
     @functools.lru_cache(LRU_CACHE_SIZE)
     def read_balance(self, address: str) -> str:

requirements.txt

@@ -11,7 +11,7 @@ eth-keyfile>=0.5.1
 eth-keys>=0.2.0b3,<0.4.0
 eth-rlp>=0.1.0
 eth-tester
-eth-typing>=2.0.0
+eth-typing<3.0.0,>=2.1.0
 eth-utils<2
 jinja2>=2.9
 mock

setup.py

@@ -41,7 +41,7 @@ REQUIRED = [
     "eth-keys>=0.2.0b3,<0.3.0",
     "eth-rlp>=0.1.0",
     "eth-tester==0.1.0b32",
-    "eth-typing>=2.0.0",
+    "eth-typing<3.0.0,>=2.1.0",
     "eth-utils==1.9.0",
     "coverage",
     "jinja2>=2.9",