fix: drop web3, use eth-utils and eth-account

py_order_utils/builders/base_builder.py

@@ -1,8 +1,7 @@
-from web3 import Web3
 from ..signer import Signer
 from ..utils import normalize_address
 from eip712_structs import make_domain, EIP712Struct
-
+from eth_utils import keccak
 
 class BaseBuilder:
     def __init__(
@@ -30,7 +29,7 @@ def _create_struct_hash(self, order: EIP712Struct):
         """
         Creates an EIP712 compliant struct hash for the Order
         """
-        return Web3.keccak(order.signable_bytes(domain=self.domain_separator))
+        return "0x" + keccak(order.signable_bytes(domain=self.domain_separator)).hex()
 
     def sign(self, struct_hash):
         """

py_order_utils/builders/order_builder.py

@@ -59,7 +59,7 @@ def build_order_signature(self, _order: Order) -> str:
         """
         Signs the order
         """
-        return self.sign(self._create_struct_hash(_order))
+        return "0x" + self.sign(self._create_struct_hash(_order))
 
     def build_signed_order(self, data: OrderData) -> SignedOrder:
         """

py_order_utils/utils.py

@@ -1,5 +1,5 @@
 import math
-import web3
+from eth_utils import to_checksum_address
 from string import punctuation
 from random import random
 from datetime import datetime, timezone
@@ -15,7 +15,7 @@ def normalize(s: str) -> str:
 
 
 def normalize_address(address: str) -> str:
-    return web3.Web3.to_checksum_address(address)
+    return to_checksum_address(address)
 
 
 def generate_seed() -> int:
@@ -25,17 +25,3 @@ def generate_seed() -> int:
     now = datetime.now().replace(tzinfo=timezone.utc).timestamp()
     return round(now * random())
 
-
-def hash_string(s: str):
-    return solidity_keccak("string", s)
-
-
-def hash_bytes(b):
-    return solidity_keccak("bytes", b)
-
-
-def solidity_keccak(typ, val):
-    return web3.Web3.solidityKeccak(
-        abi_types=[typ],
-        values=[val],
-    )

requirements.txt

@@ -1,3 +1,4 @@
 eip712-structs==1.1.0
-pytest==8.2.2
-web3==6.20.0
+eth-account===0.13.0
+eth-utils===4.1.1
+pytest==8.2.2

setup.py

@@ -15,7 +15,8 @@
     long_description_content_type="text/markdown",
     url="https://github.com/polymarket/python-order-utils",
     install_requires=[
-        "web3>=6.20.0",
+        "eth-utils>=4.1.1",
+        "eth-account>=0.13.0",
         "eip712-structs",
         "pytest"
     ],

tests/test_order_builder.py

@@ -200,7 +200,7 @@ def test_build_order_signature(self):
             "0x02ca1d1aa31103804173ad1acd70066cb6c1258a4be6dada055111f9a7ea4e55"
         )
         struct_hash = builder._create_struct_hash(_order)
-        self.assertEqual(expected_struct_hash, struct_hash.hex())
+        self.assertEqual(expected_struct_hash, struct_hash)
 
         expected_signature = "0x302cd9abd0b5fcaa202a344437ec0b6660da984e24ae9ad915a592a90facf5a51bb8a873cd8d270f070217fea1986531d5eec66f1162a81f66e026db653bf7ce1c"
         sig = builder.build_order_signature(_order)
@@ -218,7 +218,7 @@ def test_build_order_signature_neg_risk(self):
             "0xf15790d3edc4b5aed427b0b543a9206fcf4b1a13dfed016d33bfb313076263b8"
         )
         struct_hash = builder._create_struct_hash(_order)
-        self.assertEqual(expected_struct_hash, struct_hash.hex())
+        self.assertEqual(expected_struct_hash, struct_hash)
 
         expected_signature = "0x1b3646ef347e5bd144c65bd3357ba19c12c12abaeedae733cf8579bc51a2752c0454c3bc6b236957e393637982c769b8dc0706c0f5c399983d933850afd1cbcd1c"
         sig = builder.build_order_signature(_order)