Add Uniswap V3 Oracle

- Add Uniswap V3 ABIs
- Add Uniswap V3 to a new file (other oracles should be refactored to 1 oracle per file)
- Remove unlimited caches for Oracles
- Refactor cache and cached_property decorator logic

gnosis/eth/contracts/__init__.py

@@ -30,12 +30,7 @@
 from web3 import Web3
 from web3.contract import Contract
 
-try:
-    from functools import cache
-except ImportError:
-    from functools import lru_cache
-
-    cache = lru_cache(maxsize=None)
+from gnosis.util import cache
 
 
 def load_contract_interface(file_name):

gnosis/eth/ethereum_client.py

@@ -59,7 +59,7 @@
     fast_to_checksum_address,
     mk_contract_address,
 )
-from gnosis.util import chunks
+from gnosis.util import cache, cached_property, chunks
 
 from .constants import (
     ERC20_721_TRANSFER_TOPIC,
@@ -91,20 +91,6 @@
 from .typing import BalanceDict, EthereumData, EthereumHash
 from .utils import decode_string_or_bytes32
 
-try:
-    from functools import cached_property
-except ImportError:
-    from cached_property import cached_property
-
-
-try:
-    from functools import cache
-except ImportError:
-    from functools import lru_cache
-
-    cache = lru_cache(maxsize=None)
-
-
 logger = getLogger(__name__)
 
 

gnosis/eth/oracles/__init__.py

@@ -22,6 +22,7 @@
     YearnOracle,
     ZerionComposedOracle,
 )
+from .uniswap_v3 import UniswapV3Oracle
 
 __all__ = [
     "AaveOracle",
@@ -42,6 +43,7 @@
     "UnderlyingToken",
     "UniswapOracle",
     "UniswapV2Oracle",
+    "UniswapV3Oracle",
     "UsdPricePoolOracle",
     "YearnOracle",
     "ZerionComposedOracle",