ErikBjare · Oct 14, 2026 · Oct 14, 2026 · Oct 14, 2026 · Oct 14, 2026
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -9,7 +9,8 @@ on:
 env:
   # The repo secret still points at a rate-limited Infura URL, so CI must use
   # the public endpoint directly instead of preferring the secret on push runs.
-  PROVIDER_MAINNET: 'https://ethereum.publicnode.com'
+  #PROVIDER_MAINNET: 'https://ethereum.publicnode.com'
+  PROVIDER_MAINNET: 'https://eth.drpc.org'
   PROVIDER_ARBITRUM: 'https://arb1.arbitrum.io/rpc'
   PROVIDER_XDAI: 'https://rpc.ankr.com/gnosis'
 
@@ -20,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        uniswap-version: [1, 2, 3, 4]
+        uniswap-version: [2, 3, 4]
         network: ["mainnet"]
         # include:
         #   - network: arbitrum

diff --git a/README.md b/README.md
@@ -89,6 +89,12 @@ Contributors also earn this beautiful [GitPOAP](https://gitpoap.notion.site/What
 
 ## Changelog
 
+_0.9.0_
+* Added: Async versions of Uniswap V2-V4
+* Added: V2 and V3 custom routes (untested)
+* Added: Async pool cache service for Uniswap V4
+* Removed: V1 support
+
 _0.8.0_
 
 * Added: Uniswap V4 support

diff --git a/examples/price_impact.py b/examples/price_impact.py
@@ -1,14 +1,12 @@
-from typing import List
-
 from web3 import Web3
 
 from uniswap import Uniswap
 from uniswap.types import AddressLike
 
-eth = Web3.toChecksumAddress("0x0000000000000000000000000000000000000000")
-weth = Web3.toChecksumAddress("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2")
-usdt = Web3.toChecksumAddress("0xdac17f958d2ee523a2206206994597c13d831ec7")
-vxv = Web3.toChecksumAddress("0x7d29a64504629172a429e64183d6673b9dacbfce")
+eth = Web3.to_checksum_address("0x0000000000000000000000000000000000000000")
+weth = Web3.to_checksum_address("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2")
+usdt = Web3.to_checksum_address("0xdac17f958d2ee523a2206206994597c13d831ec7")
+vxv = Web3.to_checksum_address("0x7d29a64504629172a429e64183d6673b9dacbfce")
 
 
 def _perc(f: float) -> str:
@@ -23,7 +21,7 @@ def usdt_to_vxv_v2():
     """
     uniswap = Uniswap(address=None, private_key=None, version=2)
 
-    route: List[AddressLike] = [usdt, weth, vxv]
+    route: list[AddressLike] = [usdt, weth, vxv]
 
     # Compare the results with the output of:
     # https://app.uniswap.org/#/swap?use=v2&inputCurrency=0xdac17f958d2ee523a2206206994597c13d831ec7&outputCurrency=0x7d29a64504629172a429e64183d6673b9dacbfce
@@ -32,14 +30,14 @@ def usdt_to_vxv_v2():
     # price = uniswap.get_price_input(usdt, vxv, qty, route=route) / 10 ** 18
     # print(price)
 
-    impact = uniswap.estimate_price_impact(usdt, vxv, qty, route=route)
+    impact = uniswap.estimate_price_impact(usdt, vxv, qty, fee=3000, route=route)
     # NOTE: Not sure why this differs from the quote in the UI?
     #       Getting -27% in the UI for 10 USDT, but this returns >95%
     #       The slippage for v3 (in example below) returns correct results.
     print(f"Impact for buying VXV on v2 with {qty / 10**8} USDT:  {_perc(impact)}")
 
     qty = 13900 * 10**8
-    impact = uniswap.estimate_price_impact(usdt, vxv, qty, route=route)
+    impact = uniswap.estimate_price_impact(usdt, vxv, qty, fee=3000, route=route)
     print(f"Impact for buying VXV on v2 with {qty / 10**8} USDT:  {_perc(impact)}")
 
 

diff --git a/examples/v4_examples.py b/examples/v4_examples.py
@@ -13,7 +13,7 @@ def pool_tests():
     first_block = 21688329
     print("Testing fetch_poolkey_data()...")
     try:
-        v4pools_test.fetch_poolkey_data(first_block, chunk_size=500, clear_list=False)
+        v4pools_test.fetch_poolkey_data(first_block, chunk_size=5, clear_list=False)
         print("Test passed.")
     except Exception as e:
         print(f"Test failed. {e}")
@@ -90,9 +90,9 @@ def quoter_tests():
         test_pool2_tick_spacing,
         default_test_hooks,
     )
-    test_path_1hop = list()
+    test_path_1hop: list = []
     test_path_1hop.append(test_pool_key1)
-    test_path_2hop = list()
+    test_path_2hop: list = []
     test_path_2hop.append(test_pool_key1)
     test_path_2hop.append(test_pool_key2)
 
@@ -592,9 +592,9 @@ def swap_tests():
         test_pool2_tick_spacing,
         default_test_hooks,
     )
-    test_path_1hop = list()
+    test_path_1hop: list = []
     test_path_1hop.append(test_pool_key1)
-    test_path_2hop = list()
+    test_path_2hop: list = []
     test_path_2hop.append(test_pool_key1)
     test_path_2hop.append(test_pool_key2)
 
@@ -923,7 +923,7 @@ def reserves_lens_tests():
     print()
     print()
 
-    # pool_tests()
+    pool_tests()
     quoter_tests()
     price_impact_tests()
     state_view_tests()

diff --git a/poetry.lock b/poetry.lock
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "uniswap-python"
-version = "0.8.0"  # this is automatically set in CI on tagged releases (before pushed to PyPI)
+version = "0.9.0"  # this is automatically set in CI on tagged releases (before pushed to PyPI)
 description = "An unofficial Python wrapper for the decentralized exchange Uniswap"
 repository = "https://github.com/shanefontaine/uniswap-python"
 readme = "README.md"
@@ -24,7 +24,7 @@ unipy = "uniswap:main"
 
 [tool.poetry.dependencies]
 python = "^3.12"
-web3 = ">=6.20.0,<7"
+web3 = "^8.0.0"
 cytoolz = ">=0.12.3"
 frozenlist = ">=1.5.0"
 multidict = ">=6.0.5"
@@ -41,9 +41,11 @@ setuptools = "<82"
 [tool.poetry.dev-dependencies]
 mypy = "*"
 pre-commit = "*"
-pytest = "^8"
+pytest = "^8.4"
 pytest-cov = "*"
 pytest-dotenv = "*"
+pytest-asyncio = "^1.4"
+
 ruff = ">=0.9"
 Sphinx = "^9"
 sphinx-book-theme = "^1.1"