For any sale of these tokens the UI is reporting: The transaction cannot succeed due to error: UniswapV2: K. This is probably an issue with one of the tokens you are swapping. Where X and Y represent the respective reserve balances of two ERC-20 tokens, and "K" represents the product of the reserves. Then, it sells that UniFi for BUIDL via Uniswap's UniFi-BUIDL pool. The Address 0x93a2d8f93fc11976b3cc50ec15f4e95c07500aa2 page allows users to view transactions, balances, token holdings and transfers of both BEP-20 and ERC-721 (NFT . I know now that I have sent coins directly to the uniswap v3 router address. Here, because of Uniswap's exclusionary routing mechanism, the price of UniFi is lagging. . Uniswap is a protocol for the decentralized exchange of tokens on the Ethereum blockchain. PROTOCOL. 11 11 13 15 17 20 22 25 27 01 03 06 08. The protocol is non-upgradable and designed to be censorship resistant. The attacker then proceeded in depositing 19,900,000,000,000 rAXZZ into the . Uniswap V2 is an upgrade on V1 Uniswap V2 provides ERC20 to ERC20 token swaps, where ETH is no longer required to be an intermediary token to facilitate the swap process. Uniswap V2: Router 2 (3.88 Eth) 1.15% (123.04 Eth) 2.04%: 12: Centre: USD Coin (3.49 Eth) 1.11% (79.57 Eth) 1.67%: 13: 1inch v4: Router (3.85 Eth) 1.00% (82.33 Eth) . Introducing UNI. It has a formalized model for pooling liquidity reserves. Create the contract and deploy it to the blockchain then pass it the required parameters and it will perform a token swap. For fellow builders out there, let us share more details on these unstated assumptions on the Uniswap V2 Router contract that allows MEV bots to take an unfair advantage as well as the mitigations you can do if you are in a similar situation. Connect to Web3. When I first start the cli and call the function I get 'runtime error: revert' and on any subsequent calls with varying parameters I also get 'revert reason: UniswapV2: LOCKED'. This is prior to any confirmation popup from metamask, no confirmation ever pops. * UniswapV2Library.sol -> UniswapV2Periphery.sol, and make the library a real library * Call the library directly wherever possible * Remove periphery inheritance and just use the V2 library * Remove duplicate library * Remove some unnecessary lines from periphery * Drop the periphery contract and interface * Address comments Peripheral smart contracts for interacting with Uniswap V2 - GitHub - Uniswap/v2-periphery: Peripheral smart contracts for interacting with Uniswap V2. It was launched on November 2, 2018. Deposit. Token Approvals. Because its API is a bit easier to follow than Uniswap V3's API. This is probably an issue with one of the tokens you are swapping. The Uniswap constant product formula is "X * Y = K". Staked Uniswap V2 (STKD-UNI-V2) Token Tracker on FtmScan shows the price of the Token $0.0000, total supply 3,122.062229185965524787, number of holders 2 and updated information of the token. Find out the most actively traded coin on Uniswap (v2). 最近在研究uniswap v2版本逻辑和代码，接下来我们以一篇uniswap v2版本的部署，开启uniswap的学习之路。 部署步骤如下： 1、准备合约. Launch App. Uniswap describes itself as a simple smart contract interface for swapping ERC20 tokens. getAmountsIn Uniswap V2 and Uniswap V3 are both in use. Uniswap （V2） ROUTE/USDC: $2.76: $43,323.61 . About Us; Contact Us; For this reason, routers have release numbers, starting at 01. Trade Volume. The Address 0x905b3da313b3070e04a037ac7e2cad28468b375f page allows users to view transactions, balances, token holdings and transfers of ERC-20, ERC-721 and ERC-1155 . deputy governor danforth motivation. If you look at the internal transactions with the "advanced" setting on etherscan, you'll see that this transaction did interact with the uniswap contract. Uniswap V2 (UNI-V2) Token Tracker on Etherscan shows the price of the Token $0.0000, total supply 0.597220399002117509, number of holders 123 and updated information of the token. uniswap前端; uniswap sdk. [Reset] Filter by: No Filter (PoS) Dai Stablecoin (PoS) Tether USD 50 Cent Aave (PoS) Adamant Balancer Balancer Polygon DeFi Index Bounty Pet BullRun Token Chain Games ChainLink Token CZDiamond Darkcoin DinoX Coin Firebird.Finance GammaBountyToken IRON . 工厂合约; weth合约; 路由合约; multicall合约; 2、前端. It is this "K" to which the "K" error refers. Feb 4, 2020.prettierrc. For a full description of v3 ' s features, please refer to our announcement blog pos t. Review and revoke your token approvals for any dApp. Filtered by Token Holder (Impermax: Router . This is prior to any confirmation popup from metamask, no confirmation ever pops. Check Ethereum (ETH) account 0x14ad5831d8767692d38e25aa0a8fb48e2cd1ba0e, its balance and transactions create .yarnrc to fix #37. What is Uniswap Protocol? It was built from commit 8160750. . TVL. To swap tokens on Uniswap using a smart contract copy the code below. Improved Uniswap v2 TWAP oracle mechanism where a single on-chain call can retrieve the TWAP price with the the last 9 days. Double check the fee Metamask is offering, it said ~$140 for me. Uniswap Info. Optimism Testnet. The Uniswap Protocol is an open-source protocol for providing liquidity and trading ERC20 tokens on Ethereum. For any sale of these tokens the UI is reporting: The transaction cannot succeed due to error: UniswapV2: K. This is probably an issue with one of the tokens you are swapping. We are going to learn how to swap on Uniswap V2 with Rust, so I recommend having some familiarity with Web3, Smart contracts, and . Where address = [WETH address, MEME token address], sender = unlocked account, uniRouter is the json abstraction of the router contract. We will be using Uniswap V2 in this article. function getAmountsIn(address factory, uint amountOut, address[] memory path) internal view returns (uint[] memory amounts); Copy. I dont really understand etherscan but I feel like my coins havent been lost, theyre just waiting for me to do something. https://kovan-optimistic.etherscan.io/ > address > 0xe592427a0aece92de3edee1f18e0157c05861564 . upgrade to latest v2, router mvp. After you deploy the contract you can use Remix or Etherscan to perform a swap or build a simple program in web3.py. The Uniswap Protocol supports trading of ERC20 tokens. Jul 22, 2020.yarnrc. No Filter 1INCH Token Aave Interest bearing LINK Aave Token Altitude Ampleforth Ankr Network Antiample Askobar Network Autonio Axie Balancer Balancer Pool Token Balancer Pool Token Balancer Pool Token Balancer Pool Token Balancer Pool Token BaoToken Binance USD Catnip Celsius ChainLink Token Compound CornDog Token CreedToken Curve DAO Token . Uniswap v3 is the most powerful version of the protocol yet, with Concentrated Liquidity offering unprecedented capital efficiency for liquidity providers, better execution for traders, and superior infrastructure at the heart of decentralized finance. Start using @uniswap/v2-core in your project by running `npm i @uniswap/v2-core`. The Address 0x9795a9baac2f17e7c7f11686bc6bc2afc3d84612 page allows users to view transactions, balances, token holdings and transfers of both ERC-20 and ERC-721 (NFT . You need to enable JavaScript to run this app. 如果您使用 以太坊网络，可以使用Etherscan区块浏览器中的gas查询工具查看gas . . What happened. UniswapV2Factory.sol Address UniswapV2Factory is deployed at 0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f on the Ethereum mainnet, and the Ropsten, Rinkeby, Görli, and Kovan testnets. You need to enable JavaScript to run this app. If the ~$25m was concentrated into the 0.999 - 1.001 range it would provide the same depth as $50b in Uniswap v2. It appears as a private transaction and although the contract is not the uniswap router, the operation is described as a uniswap v2 swap. Create swap contract. UNI, the Uniswap Protocol token, is live! This was also known as "ETH bridging". UniswapV2: K This is an error that is frequently encountered, and requires a bit of context to understand it. 60% of the UNI genesis supply is allocated to Uniswap community members, a quarter of which (15% of total supply) has already been distributed to past users. An attacker created a Fake ERC-20 token named rAXZZ and an associated with it an Uniswap V2 Liquidity Pool paired it with GRO (GRO/rAXZZ).. 1. Given an output asset amount and an array of token addresses, calculates all preceding minimum input token amounts by calling getReserves for each pair of token addresses in the path in turn, and using these to call . Volume 24H. About Uniswap (V2) Uniswap is a protocol for automated token exchange on Ethereum. If they are like above, you are fine and you will be approving Uniswap v2 router and not Etherscan. Useful for calculating optimal token amounts before calling swap. $489B+. Etherscan is a Block Explorer and Analytics Platform for Ethereum, a decentralized smart contracts platform. -. Preferences Company. Start using @uniswap/v2-core in your project by running `npm i @uniswap/v2-core`. Swap, earn, and build on the leading decentralized crypto trading protocol. The Address 0xf9a98037b5ccd0185161d762278fc009c8056c4e page allows users to view transactions, balances, token holdings and transfers of ERC-20, ERC-721 and ERC-1155 . First, it uses ETH to buy UniFi via Uniswap's ETH-UniFi pool. Arbiscan Rinkeby Testnet Core contracts for the UniswapV2 protocol. The Address 0x88e0a61798a3ced52f7654a5d79a90737f346631 page allows users to view transactions, balances, token holdings and transfers of both ERC-20 and ERC-721 (NFT . The token tracker page also shows the analytics and historical data. If they are like above, you are fine and you will be approving Uniswap v2 router and not Etherscan. Aug 5, 2020 . In this pool, the price of 1 UniFi = ~0.00114 ETH. We will get to Uniswap V3 in a later article. Edit this page Previous V3Migrator Next Error Codes The protocol uses the following WETH9 addresses on Ethereum and WMATIC addresses on Polygon. Router02 Version: V2 Router02 Because routers are stateless and do not hold token balances, they can be replaced safely and trustlessly, if necessary. Latest version: 1.0.1, last published: 2 years ago. Uniswap Info. The Address 0x88e0a61798a3ced52f7654a5d79a90737f346631 page allows users to view transactions, balances, token holdings and transfers of both ERC-20 and ERC-721 (NFT . The token tracker page also shows the analytics and historical data. Get Uniswap (v2) total trading volume, trading fees, pair list, fee structure, and other cryptocurrency exchange info. Events PairCreated event PairCreated(address indexed token0, address indexed token1, address pair, uint); If the ~$25m currently held in the Uniswap v2 DAI/USDC pair was instead concentrated between 0.99 — 1.01 in v3, it would provide the same depth as $5bn in Uniswap v2 as long as the price stayed within that range. This article explains the GRO/rAAVE exploit that happened on February 08, 2021 at 06:17PM UTC in one of the rAAVE staking pools (stkGRO/rAAVE).. A. 以上二者从uniswap历史提交记录里面找，可以避免很多版本 . It eliminates trusted intermediaries and unnecessary forms of rent extraction, allowing for safe, accessible, and efficient exchange activity. In order to swap a native asset like ETH (or MATIC on Polygon), the Uniswap protocol wraps these assets in an ERC20 wrapped native token contract. Trying to swap a shitcoin on uniswap v2 and keep getting no response when clicking confirm swap. First, we noticed that etherscan had marked the block with Flashbots and Private Transaction tags. how many homes lost in almeda fire; cqc interview questions for nominated individual; envelope stuffing jobs from home near me Uniswap Overview. * UniswapV2Library.sol -> UniswapV2Periphery.sol, and make the library a real library * Call the library directly wherever possible * Remove periphery inheritance and just use the V2 library * Remove duplicate library * Remove some unnecessary lines from periphery * Drop the periphery contract and interface * Address comments
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