fix: prepend_zx to struct hashes and sigs if they are missing

py_clob_client/signing/eip712.py

@@ -1,5 +1,6 @@
 from poly_eip712_structs import make_domain
 from eth_utils import keccak
+from py_order_utils.utils import prepend_zx
 
 from .model import ClobAuth
 from ..signer import Signer
@@ -21,8 +22,7 @@ def sign_clob_auth_message(signer: Signer, timestamp: int, nonce: int) -> str:
         message=MSG_TO_SIGN,
     )
     chain_id = signer.get_chain_id()
-    auth_struct_hash = (
-        "0x"
-        + keccak(clob_auth_msg.signable_bytes(get_clob_auth_domain(chain_id))).hex()
+    auth_struct_hash = prepend_zx(
+        keccak(clob_auth_msg.signable_bytes(get_clob_auth_domain(chain_id))).hex()
     )
-    return "0x" + signer.sign(auth_struct_hash)
+    return prepend_zx(signer.sign(auth_struct_hash))

requirements.txt

@@ -2,7 +2,7 @@ black==24.4.2
 eth-account===0.13.0
 eth-utils===4.1.1
 poly_eip712_structs==0.0.1
-py_order_utils==0.3.1
+py_order_utils==0.3.2
 pytest==8.2.2
 python-dotenv==0.19.2
 requests==2.32.3

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="py_clob_client",
-    version="0.17.4",
+    version="0.17.5",
     author="Polymarket Engineering",
     author_email="[email protected]",
     maintainer="Polymarket Engineering",
@@ -18,7 +18,7 @@
         "eth-account>=0.13.0",
         "eth-utils>=4.1.1",
         "poly_eip712_structs>=0.0.1",
-        "py-order-utils>=0.3.1",
+        "py-order-utils>=0.3.2",
         "python-dotenv",
         "requests",
     ],