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Enable caching to reduce RPC calls #276

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Merged
ErikBjare merged 4 commits into from
Oct 12, 2022
Merged

Enable caching to reduce RPC calls #276

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5a548e0
Update uniswap.py
PawlowskiAdrian Sep 28, 2022
ee5b84c
custom simple middleware with
PawlowskiAdrian Sep 28, 2022
cf11989
fix typo
PawlowskiAdrian Sep 28, 2022
bd1f168
style: don't compare with True
ErikBjare Oct 12, 2022
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Update uniswap.py 
enable caching, will reduce RPC calls for method chainID
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@PawlowskiAdrian
PawlowskiAdrian authored Sep 28, 2022
commit 5a548e00727c825aff7e6d183456eda68c7ea482
3 changes: 2 additions & 1 deletion uniswap/uniswap.py
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Expand Up @@ -8,6 +8,7 @@
from web3 import Web3
from web3._utils.abi import map_abi_data
from web3._utils.normalizers import BASE_RETURN_NORMALIZERS
from web3.middleware import simple_cache_middleware
from web3.contract import Contract, ContractFunction
from web3.exceptions import BadFunctionCallOutput, ContractLogicError
from web3.types import (
Expand Down Expand Up @@ -115,7 +116,7 @@ def __init__(
provider = os.environ["PROVIDER"]
self.w3 = Web3(Web3.HTTPProvider(provider, request_kwargs={"timeout": 60}))

# Cache netid to avoid extra RPC calls
self.w3.middleware_onion.inject(simple_cache_middleware, layer=0)
self.netid = int(self.w3.net.version)
if self.netid in _netid_to_name:
self.netname = _netid_to_name[self.netid]
Expand Down