How to use with the Base chain?

I tried adding the data to constants.py in a fork but still get "execution reverted"

Any ideas on how to make it work?

here's my modified constants.py:

from typing import Set, cast
from web3.types import RPCEndpoint  # noqa: F401

# look at web3/middleware/cache.py for reference
# RPC methods that will be cached inside _get_eth_simple_cache_middleware
SIMPLE_CACHE_RPC_WHITELIST = cast(
    Set[RPCEndpoint],
    {
        "eth_chainId",
    },
)

ETH_ADDRESS = "0x0000000000000000000000000000000000000000"
WETH9_ADDRESS = "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"

# see: https://chainid.network/chains/
_netid_to_name = {
    1: "mainnet",
    3: "ropsten",
    4: "rinkeby",
    5: "görli",
    10: "optimism",
    42: "kovan",
    56: "binance",
    97: "binance_testnet",
    137: "polygon",
    100: "xdai",
    250: "fantom",
    42161: "arbitrum",
    421611: "arbitrum_testnet",
    1666600000: "harmony_mainnet",
    1666700000: "harmony_testnet",
    11155111: "sepolia",
    8453: "base",  # Added Base Mainnet
    84532: "base_sepolia",  # Added Base Testnet (Sepolia)
}

_factory_contract_addresses_v1 = {
    "mainnet": "0xc0a47dFe034B400B47bDaD5FecDa2621de6c4d95",
    "ropsten": "0x9c83dCE8CA20E9aAF9D3efc003b2ea62aBC08351",
    "rinkeby": "0xf5D915570BC477f9B8D6C0E980aA81757A3AaC36",
    "kovan": "0xD3E51Ef092B2845f10401a0159B2B96e8B6c3D30",
    "görli": "0x6Ce570d02D73d4c384b46135E87f8C592A8c86dA",
}

# For v2 the address is the same on mainnet, Ropsten, Rinkeby, Görli, and Kovan
# https://uniswap.org/docs/v2/smart-contracts/factory
_factory_contract_addresses_v2 = {
    "mainnet": "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",
    "ropsten": "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",
    "rinkeby": "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",
    "görli": "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f",
    "xdai": "0xA818b4F111Ccac7AA31D0BCc0806d64F2E0737D7",
    "binance": "0xcA143Ce32Fe78f1f7019d7d551a6402fC5350c73",
    "binance_testnet": "0x6725F303b657a9451d8BA641348b6761A6CC7a17",
    "harmony_mainnet": "0xc35DADB65012eC5796536bD9864eD8773aBc74C4",  # SushiSwap on Harmony
    "harmony_testnet": "0xc35DADB65012eC5796536bD9864eD8773aBc74C4",
    "sepolia": "0x7E0987E5b3a30e3f2828572Bb659A548460a3003",
    "base": "0x33128a8fC17869897dcE68Ed026d694621f6FDfD",  # Added Base Mainnet factory address
    "base_sepolia": "0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24",  # Added Base Testnet (Sepolia) factory address
}

_router_contract_addresses_v2 = {
    "mainnet": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
    "ropsten": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
    "rinkeby": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
    "görli": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
    "xdai": "0x1C232F01118CB8B424793ae03F870aa7D0ac7f77",
    "binance": "0x10ED43C718714eb63d5aA57B78B54704E256024E",
    "binance_testnet": "0xD99D1c33F9fC3444f8101754aBC46c52416550D1",
    "harmony_mainnet": "0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506",  # SushiSwap on Harmony
    "harmony_testnet": "0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506",
    "sepolia": "0xC532a74256D3Db42D0Bf7a0400fEFDbad7694008",
    "base": "0x2626664c2603336E57B271c5C0b26F421741e481",  # Added Base Mainnet router address
    "base_sepolia": "0x94cC0AaC535CCDB3C01d6787D6413C739ae12bc4",  # Added Base Testnet (Sepolia) router address
}

MAX_UINT_128 = (2**128) - 1

# Source: https://github.com/Uniswap/v3-core/blob/v1.0.0/contracts/libraries/TickMath.sol#L8-L11
MIN_TICK = -887272
MAX_TICK = -MIN_TICK

# Source: https://github.com/Uniswap/v3-core/blob/v1.0.0/contracts/UniswapV3Factory.sol#L26-L31
_tick_spacing = {100: 1, 500: 10, 3_000: 60, 10_000: 200}

# Derived from (MIN_TICK//tick_spacing) >> 8 and (MAX_TICK//tick_spacing) >> 8
_tick_bitmap_range = {
    100: (-3466, 3465),
    500: (-347, 346),
    3_000: (-58, 57),
    10_000: (-18, 17),
}

If anyone could please add compatibility to base it would be amazing. I've tried but to no avail.

I tried adding the data to constants.py in a fork but still get "execution reverted"

Any ideas on how to make it work?

Hi, do you have the solution already?

I have the same issue of "execution reverted", and the error starts from "self.router.functions". However, I know that Uniswap Base chain uses Universal Router (0x3fc91a3afd70395cd496c647d5a6cc9d4b2b7fad). This router has different functions. Therefore, I think some new logic needs to be added into uniswap.py file.

router: 0x4752ba5dbc23f44d87826276bf6fd6b1c372ad24
factory: 0x8909Dc15e40173Ff4699343b6eB8132c65e18eC6

router: 0x4752ba5dbc23f44d87826276bf6fd6b1c372ad24 factory: 0x8909Dc15e40173Ff4699343b6eB8132c65e18eC6

Thanks! It works on swapping tokens on Uniswap V2, but do you also know the ROUTER of Uniswap V3 compiled with uniswap.py?

Here are all the Uniswap Base deployed contracts for V3: https://docs.uniswap.org/contracts/v3/reference/deployments/base-deployments

Here are all the Uniswap Base deployed contracts for V3: https://docs.uniswap.org/contracts/v3/reference/deployments/base-deployments

I have set up all the contracts as below, but still getting 'execution reverted' error.

elif self.version == 3:
            # https://github.com/Uniswap/uniswap-v3-periphery/blob/main/deploys.md
            # factory_contract_address = _str_to_addr(
            #     "0x1F98431c8aD98523631AE4a59f267346ea31F984"
            # )
            factory_contract_address = _str_to_addr(
                "0x33128a8fC17869897dcE68Ed026d694621f6FDfD"
            )
            self.factory_contract = _load_contract(
                self.w3, abi_name="uniswap-v3/factory", address=factory_contract_address
            )
            # quoter_addr = _str_to_addr("0xb27308f9F90D607463bb33eA1BeBb41C27CE5AB6")
            quoter_addr = _str_to_addr("0x3d4e44Eb1374240CE5F1B871ab261CD16335B76a")
            # self.router_address = _str_to_addr(
            #     "0xE592427A0AEce92De3Edee1F18E0157C05861564"
            # )
            self.router_address = _str_to_addr(
                "0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD"
            )
            self.quoter = _load_contract(
                self.w3, abi_name="uniswap-v3/quoter", address=quoter_addr
            )
            self.router = _load_contract(
                self.w3, abi_name="uniswap-v3/router", address=self.router_address
            )
            # self.positionManager_addr = _str_to_addr(
            #     "0xC36442b4a4522E871399CD717aBDD847Ab11FE88"
            # )
            self.positionManager_addr = _str_to_addr(
                "0x03a520b32C04BF3bEEf7BEb72E919cf822Ed34f1"
            )
            self.nonFungiblePositionManager = _load_contract(
                self.w3,
                abi_name="uniswap-v3/nonFungiblePositionManager",
                address=self.positionManager_addr,
            )
            if self.netname == "arbitrum":
                multicall2_addr = _str_to_addr(
                    "0x50075F151ABC5B6B448b1272A0a1cFb5CFA25828"
                )
            else:
                # multicall2_addr = _str_to_addr(
                #     "0x5BA1e12693Dc8F9c48aAD8770482f4739bEeD696"
                # )
                multicall2_addr = _str_to_addr(
                    "0x091e99cb1C49331a94dD62755D168E941AbD0693"
                )
            self.multicall2 = _load_contract(
                self.w3, abi_name="uniswap-v3/multicall", address=multicall2_addr
            )
        else:
            raise Exception(
                f"Invalid version '{self.version}', only 1, 2 or 3 supported"
            )

        if hasattr(self, "factory_contract"):
            logger.info(f"Using factory contract: {self.factory_contract}")

Interesting. I am trying to do something similar with the official Typescript SDK, but I am running into a similar error.
In my case I am testing trying to get a quote. Does anyone know if the Universal Router is involved in quoting? At a glance, it does not appear to be involved.

Uniswap/examples#79

Not sure if it will help, but I resolved the issue I was running into after I learned the contract I was targeting was a different version.

I discovered it my downloading the ABI directly from Etherscan and running a diff.

Here is what I changed just in case it helps you:
Uniswap/examples#79

FYI I found some updated examples from Uniswap here: https://discord.com/channels/597638925346930701/607978109089611786/948847107744333844

Hope it helps!

router: 0x4752ba5dbc23f44d87826276bf6fd6b1c372ad24 factory: 0x8909Dc15e40173Ff4699343b6eB8132c65e18eC6

Thanks! It works on swapping tokens on Uniswap V2, but do you also know the ROUTER of Uniswap V3 compiled with uniswap.py?

How did you get this to work? Besides changing the constants.py I still get a execution reverted.

router: 0x4752ba5dbc23f44d87826276bf6fd6b1c372ad24 factory: 0x8909Dc15e40173Ff4699343b6eB8132c65e18eC6

Thanks! It works on swapping tokens on Uniswap V2, but do you also know the ROUTER of Uniswap V3 compiled with uniswap.py?

How did you get this to work? Besides changing the constants.py I still get a execution reverted.

The guy invert addresses :
check here :
https://docs.uniswap.org/contracts/v2/reference/smart-contracts/v2-deployments

and should work for V2

I tried adding the data to constants.py in a fork but still get "execution reverted"

Any ideas on how to make it work?

my research is showing this:

SwapRouter02 and QuoterV2 | 0x3d4e44Eb1374240CE5F1B871ab261CD16335B76a
on Base uses a single-struct approach for exactInputSingle, not the older multi-argument signature. By default, uniswap-python cannot call that function. You either:

Patch uniswap-python to handle the single struct.
Use a router contract that’s fully compatible with the old signature.
Write your own direct Web3.py calls to SwapRouter02.
Without one of these steps, you’ll see errors about “Could not transact with/call contract function” or “InsufficientDataBytes.”QuoterV2 0x3d4e44Eb1374240CE5F1B871ab261CD16335B76a

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