![]() Then they combined the tool with Uniswap’s core tools, bringing more value to users. In June of 2022, Uniswap Labs acquired Genie, a startup NFT aggregator. You can even buy property NFTs for the Decentraland metaverse. Uniswap aggregates NFTs from several marketplaces, including Opensea, the leading NFT marketplace. For example, I saw this message when searching for stETH (staked ETH). Uniswap displays a warning if the token is unavailable on leading exchanges. You can find more obscure tokens using the search box in the swap screen if some industrious traders have funded a liquidity pool. The top token lists don’t show every token on Uniswap, however. The top tokens list serves as a handy way to gauge trading activity. The Celo network displays only eight tokens. Uniswap offers a list of top tokens by blockchain, showing 100 popular tokens under Ethereum Mainnet, but just 82 under Polygon. Uniswap displays both the token quantity and the value in fiat, but fiat prices can take a while to load. Waiting to trade for a few seconds could result in a higher or lower output. A drop-down box details the expected output from the trade (how much of Token B you’ll get for Token A). Instead, the app displays the best price for you. When making swaps, however, Uniswap doesn’t make these numbers obvious. MoonPay’s available assets vary by blockchain, however. In the US, Uniswap partners with MoonPay, a provider that supports a number of tokens, including ETH, MATIC, and USDC. You can add crypto assets to your Uniswap-connected wallet in two primary ways: Send it from an exchange (or another wallet) or buy assets on Uniswap’s platform using a third-party provider. It also costs less than the Ethereum network and provides near-instant transactions. However, some actions require the Ethereum Mainnet, as I discovered when shopping for NFTs on Uniswap.įor swaps and funding liquidity pools, Polygon works well on Uniswap. ![]() Uniswap supports Ethereum, Polygon, Optimism, Arbitrum, and Celo networks, all of which are also supported by MetaMask. ![]() Fees can get pricey on Ethereum Mainnet, so I used the Polygon network. I put Uniswap to the test and found most features of the app easy to use.įor this Uniswap exchange review I used the MetaMask wallet, a multi-blockchain wallet that can automatically detect new tokens. The code below, which we use in our development process, has been implemented in an NPM package for easy use in your project: The Uniswap Gas Snapshot Test. For V3, we used a snippet in combination with the mocha-chai-jest-snapshot plugin to record gas costs in hundreds of situations. The single biggest tool in our arsenal of gas optimization is the snapshot test borrowed from Jest snapshot testing. If there’s one lesson to learn from this post, it’s that all optimization starts with measurement. While much of the discourse around gas optimization takes the form of specific implementation techniques, which can be quite fun to read and experiment with, we think a more helpful thing to write about is the development of a process in pursuit of gas optimization, rather than a collection of specific optimizations which may become dated as Ethereum progresses. Considerable effort goes into this work, which frequently continues right up to deployment. Multiples of that still are spent on the many protocol forks deployed across Ethereum and other environments.ĭue to the protocol’s significant use, and reuse in the form of forks, a change in the gas optimization of a piece of protocol code that saves 1% in gas translates to millions of dollars saved by the DeFi community over the lifetime of the contracts.Īs a result, it is difficult to overstate the significance of these optimizations. Tens of thousands of ETH are spent every month by users interacting with the Uniswap Protocol contracts. To help devs get their contracts into tip-top shape before deployment, we reconfigured our most used gas snapshot tool as a simple npm package: The Uniswap Gas Snapshot TestĪt Uniswap Labs, many of the smart contracts we’ve written have gone on to become the most frequently called smart contracts on the Ethereum blockchain. ![]()
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