Uniswap smart contract address. What is the Universal Router? The Universal Router .

Uniswap smart contract address sol Internal Functions sortTokens function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1); 🦄 🦄 Core smart contracts of Uniswap V2. Apr 12, 2023 · Uniswap V2 — Factory Smart Contract Explained If you can’t read this article because of the firewall, go here to read it for free! The main smart contracts in UniswapV2 repository are … View All Internal Transactions Cross-Chain Transactions Cross-Chain Transactions Block Transaction Difficulty Gas Used Reward View All Blocks Produced Validator Index Block Amount View All Withdrawals Transaction Hash Block Value Eth2 PubKey Valid View All Deposits Code Read Contract Write Contract Read as Proxy Write as Proxy Contract Source Code Verified (Exact Match) Compiler Version v0. org to learn more. g. If you are curious about what this is and what this means for the security of your assets. the price is 5), and someone naively adds liquidity at 51. Valid View All Deposits Code Read Contract Write Contract Contract Source Code Verified (Exact Match) UniversalRouter Compiler Version v0. 3338584 transactions and 382997 holders. This A smart contract that adds functionality to the Wrapped Ether smart contract which allows users to interact with other smart contracts that consume WETH transparently as if they are using ETH directly. Contribute to Uniswap/docs development by creating an account on GitHub. While the underlying architecture uses a callback system for swaps, developers can still use the Universal Router to execute swaps on v4 pools, just as you would for v2 or v3. They define the logic of pool generation, the pools themselves, and the interactions involving the respective assets therein. Sep 18, 2020 · Hi, We have used a few smart contracts to interact with the Uniswap v2 router instead of a wallet, and those addresses can claim 400 UNI per contract. Prerequisites Before we begin, ensure you have the following: Remix IDE: For writing and compiling the smart contract. This article will explore the benefits of Permit2 and how it impacts token approvals within the DeFi space, especially on platforms like Uniswap. Rather than trading between a single pool, smart routing may use multiple hops (as many as needed) to ensure that the end result of the swap is the optimal price. Remember that because our contract is a contract itself and not an extension of the caller (us); we must also approve the Uniswap protocol router contract to use the tokens that our contract will be in possession of after they have been withdrawn from the calling May 31, 2023 · Your complete guide to the Uniswap Protocol, an Ethereum-based decentralized exchange built for swapping. Swap crypto on Ethereum, Base, Arbitrum, Polygon, Unichain and more. Contract addresses for the Uniswap V2 Factory and the Uniswap V2Router02. - GitHub - Uniswap/uniswap-first-contract-example: Example code for the smart contract getting started example. js to connect your website to Ethereum. Aug 15, 2024 · Write a smart contract that executes a swap from ETH to USDC on Uniswap V3. Some tools also include workflows for deploying this bytecode to the Ethereum network and testnets. Of course Goerli address is in uniswap doc. Pair Smart contract that has functionality for swapping Sep 19, 2024 · A smart contract originally conceived by Uniswap, Permit2 manages the approval of token transfers via gasless signatures. An up-to-date list of deploy addresses by chain is hosted on GitHub. The PoolManager uses these permissions to determine which hook functions to call for a given pool. address, deployer. The Uniswap V1 Smart ContractsOverview The Uniswap V1 Smart Contracts Uniswap V1 is the first version of the protocol, launched in November 2018 at Devcon 4. We get access to the contract's ABI through the @uniswap/v3-core package, which holds the core smart contracts of the Uniswap V3 protocol: Learn what a token contract address is, how to find it using block explorers or token listing sites, and why it matters before adding tokens in MetaMask. Mar 1, 2024 · How to Integrate Uniswap V4 into Your Contract Let us find out how to do a swap using Uniswap v4. 🦄 🦄 Core smart contracts of Uniswap V2. To get started, Explore the key functionalities in the smart contract. The DeFi platform trusted by millions. js or web3. tokenToEthTransferInput Smart Contract tokenToEthTransferInput( tokens_sold: uint256, min_eth: uint256, deadline: uint256, recipient: address ): uint256 Jul 7, 2023 · I'm finding contract address of SwapRouter and Quoter which is the contract of uniswap version 3. This protocol is a suite of persistent, non-upgradable smart contracts that together create an automated market maker. Example Contract Analytics Cards New Find OVERVIEW Market Exchange Data Source: Coingecko # Exchange Pair Price 24H Volume % Volume Contract Source Code Verified (Exact Match) Contract Name: Uni Compiler Version v0. What is the Universal Router? The Universal Router Aug 9, 2022 · In my understanding, smart contracts on Ethereum are immutable once they are pushed onto chain. The UNI coin price is 7 USD, total supply is 1000000000. What Is Permit2? Permit2 is a smart Set Up Your Contract Setting up the Contract This guide is an example of a custodial contract Uniswap V3 positions, which allows interaction with the Uniswap V3 Periphery by minting a position, adding liquidity to a position, decreasing liquidity, and collecting fees. But how does the Uniswap smart … 🦄 🦄 🦄 🦄 Core smart contracts of Uniswap v4. Deploy and call smart contract function via SDK to perform token swap. sol Address See Pair Addresses. But how does the Uniswap smart … When providing liquidity from a smart contract, the most important thing to keep in mind is that tokens deposited into a pool at any rate other than the current reserve ratio are vulnerable to being arbitraged. For simplicity, we will refer to these EOAs as users and these remote smart contracts as implementations. Learn what is new and how to integrate it in your contracts for trading or developments. Integrators should no longer assume that they are deployed to the same addresses across chains and be extremely careful to confirm mappings below. Computing the Pool's deployment address To interact with the USDC - WETH Pool contract, we first need to compute its deployment address. e. By eliminating unnecessary The Uniswap smart contracts exist on the Ethereum blockchain. Formalized Specification Lightweight Verification Create Exchange The createExchange function is used to deploy exchange contracts for ERC20 tokens that do not yet Check out the top pools on Uniswap info. Nov 12, 2025 · Some users (or entities) trade programmatically via a smart contract or server-side scripts. Learn more about addresses in our Knowledge Base. With Jan 8, 2025 · The Uniswap decentralized exchange is an Automated Market Maker (AMM) that relies on smart contracts to swap tokens. However, once when 400 UNI has been sent to the contract, we don’t have the option to move that tokens, so they will stay locked in the contract. Feb 18, 2025 · The Uniswap Protocol is made up of multiple contracts on many networks. Everyone is invited to mine and submit potential contract addresses for the v4 core contract. This obviates the need for a blocking approve transaction before programmatic interactions with pool tokens can occur. So, what exactly is Uniswap, and how can you use it? A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. It is the second and currently the most common generation of smart contracts for decentralized asset exchange, developed by Uniswap and eventually adopted by most popular decentralized exchanges, such as Pancakeswap, SushiSwap and others. ERC-712 In vanilla ERC-20 token contracts, owners may only register approvals by directly calling a function which uses msg. Contribute to Uniswap/v2-core development by creating an account on GitHub. The term Smart Wallet will refer to the The new Uniswap v3 is available on the mainnet. In March 2021, Uniswap released its new v3 architecture, which includes updates to both smart contracts and the front end. EVM Address The standard smart contract EVM address is the address that is compatible with EVM. Router v2 PancakeSwap is based on Uniswap v2. They are deployed at the same address on Ethereum mainnet, Optimism, Arbitrum, Polygon, and all testnets. They use Flash swaps are an integral feature of Uniswap V2. For more in-depth information on the core contract logic, read the Uniswap v2 Core whitepaper. Uniswap v4 inherits all of the capital efficiency gains of Uniswap v3, but provides flexibility via hooks and gas optimizations across the entire lifecycle. Curious about the name? Introducing Calibur, a derivation of Excalibur and a For this guide, the following Uniswap packages are used: @uniswap/v3-sdk @uniswap/sdk-core @uniswap/smart-order-router The core code of this guide can be found in mintPosition() Giving approval to transfer our tokens We want to use the NonfungiblePositionManager contract to create our liqudity position. Each Uniswap v1 pair stores pooled reserves of two assets, and provides liquidity for those two assets, maintaining the invariant that the product of the reserves cannot decrease. Uniswap is a decentralized exchange running on the Ethereum blockchain. This model was formalized and the smart contract implementation passed a lightweight formal verification. beforeSwap - corresponds to a certain flag. 26+commit. Designed with simplicity in mind, the Uniswap protocol provides an interface for seamless exchange of ERC20 tokens on Ethereum. Apr 11, 2023 · Uniswap is a decentralised exchange protocol. Calibur is a singular contract which has been deployed to the same address across all supported networks. For more details, see the Deployments page below. You can use the smart contract EVM address to reference smart contracts in Ethereum Ecosystem tools like Hardhat and MetaMask. Smart Contract Quick start Developing smart contracts for Ethereum involves a variety of off-chain tools used for producing and testing bytecode that runs on the Ethereum Virtual Machine (EVM). To run Nov 9, 2024 · The Uniswap v4 Address Mining Challenge starts today and will be open until December 1st, 2024. Dec 31, 2021 · It was my issue too. Namely, Uniswap bears the technical risk that comes with any smart contract-based project, i. The Uniswap ecosystem consists IntroductionThe Uniswap Protocol Introduction The Uniswap protocol is a peer-to-peer 1 system designed for exchanging cryptocurrencies (ERC-20 Tokens) on the Ethereum blockchain. However, the swap may shift the balance of the pool and thus change the optimal ratio. sender to permission itself. Jul 30, 2023 · This takes the PermitSingle, the address off the Permit2 contract on the chain, and the chain ID and returns typed data that you can pass directly to a library like ethers to request the user's signature. 8a97fa7a Optimization Enabled: Yes with 44444444 runs Other Settings: cancun EvmVersion Contract Source Code (Solidity Standard Json-Input format) File 1 of 93 : UniversalRouter. But I want to know the address in sepolia. A liquidity provider migration portal will be available at launch, allowing v2 LPs to seamlessly transfer their liquidity to the new protocol. Just how end-users can interact with the Uniswap protocol through the Interface (which in turn interacts with the underlying contracts), developers can interact directly with the smart contracts and integrate Uniswap functionality into their own applications without relying on intermediaries or needing permission. However, because Ethereum transactions are Swap routing Introduction to Universal Router for Uniswap v4 Swaps Uniswap v4 introduces a new architecture where all pools are managed by a single PoolManager contract. Explore Ethereum blockchain data, transactions, and smart contracts with Etherscan, the leading Ethereum block explorer. 1 INTRODUCTION Automated market makers (AMMs) are agents that pool liquidity and make it available to traders according to an algorithm [5]. Take a look at first paragraph: The latest version of @uniswap/v3-core, @uniswap/v3-periphery, @uniswap/swap-router-contracts, and @uniswap/v3-staker are deployed at the addresses listed below. Circle Web3 Services Account: For managing the smart . Explore how it works to swap via the Uniswap Web App or Wallet. easily insert transactions before and after the swap (a "sandwich" attack) causing the smart contract to trade at a much worse price, profit from this at the trader's expense Pair This documentation covers Uniswap-specific functionality. The latest version of @uniswap/v3-core, @uniswap/v3-periphery, and @uniswap/swap-router-contracts are deployed at the addresses listed below. Hooks Uniswap v4 introduces Hooks, a system that allows developers to customize and extend the behavior of liquidity pools. ” — Hayden Adams. Set Up Your Contract Setting up the Contract This guide is an example of a custodial contract Uniswap V3 positions, which allows interaction with the Uniswap V3 Periphery by minting a position, adding liquidity to a position, decreasing liquidity, and collecting fees. To avoid donating to arbitrageurs, it is imperative to add liquidity at the current Router v2 PancakeSwap is based on Uniswap v2. Every pool can have one hook but a hook can serve an infinite amount of pools to intercept and modify the execution flow at specific points during pool-related actions. py This article is a guide on how to fetch real-time token prices and compute swap prices for Uniswap v3 1 INTRODUCTION Automated market makers (AMMs) are agents that pool liquidity and make it available to traders according to an algorithm [5]. Because of its permissionless nature, it will exist for as long as Ethereum does. Feb 3, 2025 · Learn how to find and use Uniswap contract address for trading tokens easily. The protocol is implemented as a set of persistent, non-upgradable smart contracts; designed to prioritize censorship resistance, security, self-custody, and to function without any trusted intermediaries who may Jul 16, 2023 · Launching UniswapX on the Uniswap Labs’ interface UniswapX brings ideas and models from across DeFi and digital markets to a new system, built with the same principles of security, self-custody, and community that have made Uniswap the most trusted brand in DeFi. If you haven't worked directly with smart contracts yet, check out this guide from Alchemy. Library Code UniswapV2Library. This documentation covers ERC-20 functionality for denominating pool tokens. In fact, under the hood, all swaps are actually flash swaps! This simply means that pair contracts send output tokens to the recipient before enforcing that enough input tokens have been received. Feb 25, 2022 · Uniswap Smart Contract Breakdown Explaining its functionality by grouping lines of code You probably know the constant product formula (x*y=k) that powers Uniswap. Wallet Security Use a secure wallet and keep your private keys safe. While this approach provided flexibility, it also led to increased gas costs for pool creation and multi-hop swaps. 7. Con-stant function market makers (CFMMs), a broad class of AMMs of which Uniswap is a member, have seen widespread use in the con-text of decentralized finance, where they are typically implemented as smart contracts that trade tokens on a permissionless Mar 22, 2021 · The Uniswap v3 Periphery repository contains a collection of smart contracts designed to ease user interaction with core contracts. The Uniswap smart contracts Learn about the architecture of the Uniswap Protocol smart contracts through guided examples. It is non upgradeable and has no owner. The SDK provides a utility method for that: Use a Solidity smart contract to swap tokens on Uniswap. Our technical demonstration will include a code walk-through and an example of a token swap from ETH to DAI on Ethereum mainnet. For ERC-20 functionality, see Pair (ERC-20). Users will need a web3-enabled browser. This article was originally published at BuildBear Tutorials. Events Mint Feb 3, 2025 · Learn how to find and use Uniswap contract address for trading tokens easily. This is the address format that is commonly used in the Ethereum ecosystem. A bad actor could e. It will continue functioning for as long as Ethereum exists. Can anyone tell me how to get the full list of these addresses? Oct 12, 2022 · In this Uniswap tutorial create a smart contract that implements a simple ERC20 token swap (Uniswap single swap) using the Uniswap V3 protocol. Contract name: PancakeRouter Contract address Jun 23, 2022 · Architecture of Uniswap Repository Core Core is for storing funds and managing them. Con-stant function market makers (CFMMs), a broad class of AMMs of which Uniswap is a member, have seen widespread use in the con-text of decentralized finance, where they are typically implemented as smart contracts that trade tokens on a permissionless The official documentation for OpenZeppelin Libraries and Tools Mar 22, 2021 · The Uniswap v3 Periphery repository contains a collection of smart contracts designed to ease user interaction with core contracts. On desktop this means using the MetaMask extension or something similar. 6 days ago · Unlike a personal wallet, a smart contract address represents code that runs autonomously once deployed. 38 across 5 Chains | Transactions: 344,538 | As at Nov-03-2025 06:32:03 AM (UTC) Pool Liquidity Formalized Model Uniswap liquidity pools are autonomous and use the Constant Product Market Maker (x * y = k). The official deployment address will be determined based on the number of leading zeros and the prominence of the number 4 in its structure. This is slightly atypical, as one might expect a pair to ensure it's received payment before delivery. Core contracts provide fundamental safety guarantees for all parties interacting with Uniswap. Integrated with Permit2, users can swap multiple tokens and NFTs in one swap while saving on gas fees. Feb 16, 2022 · Uniswap Smart Contract Breakdown Explaining its functionality by grouping lines of code You probably know the constant product formula (x*y=k) that powers Uniswap. Integrating UniSwap v3 Nov 4, 2025 · Smart Contract Risks While Uniswap’s core contracts are audited and considered secure, interacting with third-party smart contracts on the platform can introduce additional risks. As an example, if the ratio of x2 (i. Contribute to Uniswap/v4-core development by creating an account on GitHub. CREATE2 uses a custom salt to generate a contract address. Routing a Swap Introduction This guide will cover how to use Uniswap's smart order router to compute optimal routes and execute swaps. When adding liquidity to a Uniswap v3 pool, you must provide two assets in a particular ratio. In this guide, we will write a smart contract that calls flash on a V3 pool and swaps the full amount withdrawn of token0 and token1 in the corresponding pools with the same token pair - but different fee tiers. 9c3226ce Optimization Enabled: Yes with 999999 runs Other Settings: default evmVersion, None license [ Download: CSV Export The Uniswap smart contracts Learn about the architecture of the Uniswap Protocol smart contracts through guided examples. See ethereum. However, because Ethereum transactions are A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. For example, the Contract: Verified | Balance: $133,795. A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Then how does uniswap keeps upgrading itself from v1 to v2 to v3? How can they modify their smart contract code? "They" here apparently refer to Uniswap Labs. No-maintenance option It is possible to avoid regularly storing this cumulative price at the start of the period by utilizing storage proofs. Trade cryptocurrencies on Uniswap's trusted DeFi platform across Ethereum, Base, Arbitrum, Polygon, and more. The new Uniswap v2 is available on the mainnet. Nov 2, 2023 · Learn How to integrate UniswapV3 into your smart contracts. In order to deposit 100% of your assets, you must first swap your assets to the optimal ratio and then add liquidity. As we learned in Protocol Overview, each pair on Uniswap is actually underpinned by a liquidity pool. The UniversalRouter contract is the current preferred entrypoint for ERC20 and NFT swaps, replacing, among other contracts, SwapRouter02. contracts being attacked or otherwise obstructed. What Is Permit2? Permit2 is a smart Instead, consider building this functionality directly into the critical calls of your own smart contracts, or incentivize oracle maintenance calls by other parties. Because Ethereum transactions occur in an adversarial environment, naively written smart contracts can, and will, be exploited for profit. See PoolManager deployment addresses here. 16+commit. Each hook function e. On mobile, web3-compatible browsers include Trust Wallet and Coinbase Wallet. What You Will Do Flash swaps are an integral feature of Uniswap V2. Hooks are external smart contracts that can be attached to individual pools. Contract name: PancakeRouter Contract address Nov 12, 2025 · Overview With Uniswap constantly improving its users' experience, whether on the front end or via smart contracts, developers need to stay up to date with the newest versions. Nov 10, 2023 · Uniswap v2 router code walkthrough The Router contracts provide a user-facing smart contract for safely minting and burning LP tokens (adding and removing liquidity) safely swapping pair tokens They add the ability to swap Ether by integrating with the wrapped Ether (WETH) ERC20 contract. May 26, 2023 · No, you cannot use it because if we want to test our smart contract by deploying on Goerli then we use uniswap V2 Router address 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D but as we know Goerli faucet requires a minimum mainnet balance of 0. To 🦄 🦄 🦄 Core smart contracts of Uniswap v3. In Uniswap v3, each liquidity pool was represented by a separate smart contract deployed through the Uniswapv3Factory contract. These identifiers serve as bridges between users and the program logic that controls their funds. This process is called delegation. Using nonce in new contract address generation makes it hard to compute an address in other contracts or off-chain apps, mainly because, to find the nonce a contract was deployed at, one needs to scan historical account transactions. Avoid sharing them with anyone and be wary of phishing attacks that may Example code for the smart contract getting started example. sol File 2 of 93 Mar 2, 2023 · Everything you need to know about Uniswap's two brand new smart contracts — Permit2 and Universal Router — as well as their effect on DeFi. Liquidity pools are smart contracts that hold balances of two unique tokens and enforces rules around depositing and withdrawing them. Jun 23, 2022 · Architecture of Uniswap Repository Core Core is for storing funds and managing them. After the swap, the contract will pay back the first pool and transfer profits to the original calling address. Universal Router unifies ERC20 and NFT swapping into a single swap router. Overview Uniswap v3 is a binary smart contract system comprised of many libraries, which together make the Core and Periphery. Because Delegation This contract is meant to be used with EIP-7702: Set Code for EOAs. Why do we Returns the address of the n th pair (0 -indexed) created through the factory, or address(0) (0x0000000000000000000000000000000000000000) if not enough pairs have been created yet. KECCAK256(deployer. 6 Hook Deployment Hook Flags As mentioned in Concept of Hooks, hook contracts indicate their implemented functions by encoding its behavior in the address of the contract. If anybody k Exact Input Swaps The caller must approve the contract to withdraw the tokens from the calling address's account to execute a swap. It is a set of Solidity smart contracts that work together to create an automated market marker environment that requires no human intervention. Developer resources Sep 24, 2021 · I need Uniswap liquidity pool addresses to develop my project. Requires a single approval from the user for the AdvancedWETH contract to spend any amount of their WETH, and thus benefits from widespread use of a canonical advanced WETH contract. Compile smart contract and extract ABI JSON and bytecode using Remix IDE. To avoid donating to arbitrageurs, it is imperative to add liquidity at the current Uniswap v1 is an on-chain system of smart contracts on the Ethereum blockchain, imple-menting an automated liquidity protocol based on a \constant product formula" [1]. Mar 28, 2025 · Interacting with Uniswap v3 Smart Contracts for Real-Time Price Discovery Using Web3. This guide will demonstrate how to swap tokens on Uniswap using Javascript and the Ethers. 5. It is based on the routing code example, found in the Uniswap code examples repository. import { AllowanceTransfer, PERMIT2_ADDRESS } from '@uniswap/Permit2-sdk' Uniswap (UNI) token information and price tracker. What is Uniswap? Uniswap was the first protocol to take DEX to the next Aug 10, 2020 · Uniswap Risks Uniswap’s design is simple, elegant, and self-contained, meaning the protocol doesn’t have a wide attack surface. UniswapX is an immutable smart contract built to be fully permissionless. Nov 6, 2024 · Smart contracts can be created by other contracts and regular accounts using the CREATE opcode: Contract addresses for the Uniswap V2 Factory and the Uniswap V2Router02. Key Concepts Pool-Specific Address UniswapV2Router01 is deployed at 0xf164fC0Ec4E93095b804a4795bBe1e041497b92a on the Ethereum mainnet, and the Ropsten, Rinkeby, Görli, and Kovan testnets. Factory initializeFactory Smart Contract initializeFactory(template: address) A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Automated market maker exchanges allow digital assets to be traded without permission and automatically. However, Uniswap isn’t totally free from risk, either. After the Ethereum Pectra fork, Externally Owned Accounts (EOAs) can now internalize code at a remotely deployed smart contract address. 001 ETH on the wallet address being used. If a smart contract assumes that the current price on Uniswap is a "fair" price without performing safety checks, it is vulnerable to manipulation. SwapRouter Router for stateless execution of swaps against Uniswap V3 Input parameters are viewable on the Swap Router Interface Functions constructor Jun 9, 2024 · A comprehensive guide for developing smart contract to swap on Uniswap V3 protocol. 8. 📓 Uniswap docs website. Code UniswapV2Pair. Learn how to integrate it in your contracts. For Uniswap-specific functionality, see Pair. Please do not assume contracts are deployed to the same addresses across chains, and be extremely careful to confirm addres Apr 8, 2023 · Router V2 is a smart contract of decentralized exchanges that provides a set of functions for adding liquidity, its management, and token trading. Essential guide for beginners. We originally Uniswap uses an automated market maker mechanism to provide instant feedback on rates and slippage. This guide walks you through writing and testing a simple A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Read the Uniswap v2 documentation. Supporting meta transactions All Uniswap V2 pool tokens support meta-transaction approvals via the permit function. Overview Uniswap smart wallet features are powered by the Calibur contract which is meant to be used alongside EIP-7702. To construct the Contract we need to provide the address of the contract, its ABI and a provider connected to an RPC endpoint. There are many options for these tools. The EVM contract address is returned by the system once the contract is deployed. Nov 16, 2022 · Today, Uniswap Labs has released two new smart contracts: Permit2 allows token approvals to be shared and managed across different applications creating a more unified, cost-efficient, and safer UX. js library. nonce) nonce is an account-specific counter of transactions. It contains two smart contracts, Pair and Factory. For example, suppose a smart contract checks the asset ratio in a Uniswap pool at runtime and trades against it, assuming that the ratio represents the "fair" or "market" price of these assets. Contribute to Uniswap/v3-core development by creating an account on GitHub. Can you please pass those claimable UNI tokens to the contract owners instead if we provide Swap crypto on Ethereum, Base, Arbitrum, Polygon, Unichain and more. In many cases, your contract or the user's wallet hold a different ratio of those two assets. Exercise caution and research any contract before interacting with it. Nov 6, 2022 · What happens to UniSwap v2? “Uniswap is an automated, decentralized set of smart contracts. Use ethers. fxel udj jwm vlazp jeojisd gahh enpbjkn mhadeyo gtf umsn nubd uak vfka rkhp mowaqhd