Add '0x' prefix in encode_calldata

7 years ago · 273deaba79
parent d24531611a
commit 273deaba79
1 changed files with 1 additions and 1 deletions
--- a/mythril/ether/util.py
+++ b/mythril/ether/util.py
@ -33,7 +33,7 @@ def encode_calldata(func_name, arg_types, args):
    mid = method_id(func_name, arg_types)
    function_selector = zpad(encode_int(mid), 4)
    args = encode_abi(arg_types, args)
-    return function_selector + args
+    return "0x" + function_selector + args
 def raw_bytes_to_file(filename, bytestring):
    with open(filename, 'wb') as f: