After reading, let us know if it was helpful in this thread. You can find your MetaMask address under account name (in the format 0x12r456HJ9). I don't see any way to just tell it "Do this swap, charge me whatever it costs". ERC-20 is a blockchain asset. 7. CoinCodex is a cryptocurrency data website that tracks 23389 cryptocurrencies trading on 420 exchanges and provides live crypto prices. With an Ethereum wallet, you can buy, send, receive and swap Ethereum-based tokens. After the successful login, you can see the MetaMask wallets front page. MetaMask has provided some handy presets that will allow you to get your transaction through from slow to fast. However, if I increase slippage to 1%, look what happens to the minimum received amount. Note that this can only be done for cryptocurrency to cryptocurrency exchanges, you can't convert fiat (USD, GBP etc) - if you're looking for that you'll need to set up an exchange account. Its the most commonly used wallet for this purpose and, in my opinion, the best optimized wallet for gas-fee estimation and ease-of-use. You can often use the error code property to determine why the request failed. Once you get the notification from MetaMask, you go inside the wallet and check your balance. Were also going to cover things like stuck transactions in MetaMask and how to easily fix them. // If name isn't enough add verifying contract to make sure you are establishing contracts with the proper entity, '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC'. Please ensure you are on the latest version of MetaMask. /* DO NOT DM with people on ConsenSys Discord, as they are probably scammers. MetaMask is a popular and established browser extension which functions as a cryptocurrency wallet that connects to the Ethereum blockchain. With a 0.1% Slippage Tolerance, lets see how Uniswap estimates the actual amount of tokens I will receive. If any application or extension unexpectedly asks you for your Secret Recovery Phrase, make sure youre in the right place. We recommend using a connect event handler and the ethereum.isConnected() method in order to determine when/if the provider is connected. MetaMask, My Ether Wallet, Ledger, Exodus or whichever wallet it is. You can also use the ethereum.isConnected() method to determine if the provider is disconnected. V4 added the ability to sign Arrays as well. You can try the method out in our interactive API playground (opens new window). Please note: your Secret Recovery Phrase will not recover any loose accounts. When it comes to trading ERC20s on Uniswap, its always important to know what you are swapping into or out of. You may often encounter the word "connected" in reference to whether a web3 site can access the user's accounts. You're once again prompted to take action in MetaMask. The automatic gas estimation by MetaMask is much lower at $39.27 because the estimated Gwei required to complete the transaction is lower at that moment in time simply because fewer people are flooding the Ethereum blockchain with transactions now than they were 20 minutes ago. You can accept signature requests from sites without any value in your account. Step 4: Paste the address into the Wallet Address field on Coinbase. This property is non-standard, and therefore deprecated. Behind the scenes, MetaMask Swaps automatically aggregates available liquidity from leading DEXs and Professional Market Makers. Click Launch App button on the top right corner of the website. Slippage refers to the difference between the expected price of a trade and the price at which the trade is executed. Trust Wallet is not recommended, and we do not provide support for Trust Wallet issues. https://forms.aweber.com/form/95/408624495.htm Interested in reaching audiences with your dapp project? It's available as an app for iOS and Android. Due to the decentralized structure of Uniswap, transactions happen as a direct swap based on the current price of the tokens you are swapping. Others can only identify your transactions on block explorers (such as Etherscan) if they know your accounts public address. However that is not how it works. The Ethereum transaction should take 10 - 15 minutes, and the Avalanche transaction takes a few seconds. Enter the amount that you want to withdraw to your bank account in the "Amount" field. button on the top right corner of the website. Callers are identified by their URL origin, which means that all sites with the same origin share the same permissions. For example, if you create a subscription using eth_subscribe, each subscription update will be emitted as a message event with a type of eth_subscription. Swapping tokens in any Decentralized Exchange involves a few manual steps compared to MetaMasks in-built feature. Recently, developers introduced a new feature to MetaMask which allows users to swap between different Ethereum-based tokens directly within the MetaMask interface. This does not mean it is perfect. After selecting tokens, enter the amount that you want to swap in the first field. Obviously the network would be spammed with millions of transactions and it will eventually get clogged. I checked the price and it should work! Select the token that you want to swap for in the second field. In this example, we will choose to pay a low gas price, since were not in a hurry to get the transaction completed. It's up to you to make sure your contract is as readable as possible to the user. Your email address will not be published. Under the hood, permissions are plain, JSON-compatible objects, with a number of fields that are mostly used internally by MetaMask. Choose your slow/fast/average gas, and then hit Next and set the Nonce to the same Nonce as the stuck transaction: The above example is if I had a stuck transaction with a Nonce of 62. For most people, it's best to find the most reputable crypto exchange, like Coinbase or Binance, which will offer a way to buy crypto with cash. The MetaMask provider emits this event when it first becomes able to submit RPC requests to a chain. The transaction on Matic network takes less than 3 seconds and it costs as low as 0.00002 MATIC (less than $0.00001 USD). Here, let us understand the need of Ether to transfer tokens. If your Swap fails more than once, please contact Support so we can investigate the underlying cause. Don't use this method to display binary data, or the user will not be able to understand what they're agreeing to. Use KuCoin exchange to swap USDT to BNB that's what I did since it's a pain anywhere because I live in the states. Otherwise, leave it as such. Optimizing your slippage and calculating it effectively will help to optimize your profits and not get rekt needlessly when trading on Uniswap. If you have multiple MetaMask accounts, select the one you want. I personally use this wallet over other wallets when swapping tokens around with Uniswap. Whatever the network state change is; Whether you are transferring Ether, transferring tokens, deploying a smart contract or executing smart contract functions you need to pay fees in Ether. 3. Different networks and payment methods are available, though your options will depend on your region. MetaMask is a bridge that allows you to visit the distributed web of tomorrow in your browser today. This section documents our legacy provider API. Conversely, you could copy your address and send it to them by text or Airdrop. Keep track of your holdings and explore over 10,000 cryptocurrencies. For example, if you create a subscription using eth_subscribe, each subscription update will be emitted as a message event with a type of eth_subscription. // For backwards compatibility reasons, if no accounts are available. MetaMask Support will NEVER DM to help you. // eth_accounts will return an empty array. Most of the time. Non-MetaMask providers may also set this property to true. For example, you cannot attempt to cancel a transaction . Then I added some more ETH but the issue is still there and it seem to be a larger gap . Once, you are okay with the fee, click Confirm Swap. MetaMask is a web browser extension that can be used both as an Ethereum wallet and as a way of interacting with decentralized applications (Dapps) built on Ethereum. Unlike other crypto wallets out there, MetaMask is built to be privacy-first. In practice, if a method has any params, they are almost always of type Array
. MetaMask is my ERC20 wallet of choice. Why should I choose MetaMask to swap tokens over other DEX platforms in the market? In particular, the method eth_sign is an open-ended signing method that allows signing an arbitrary hash, which means it can be used to sign transactions, or any other data, making it a dangerous phishing risk. // For example, this method will return a transaction hash hexadecimal string on success. Simply perform the same steps above but choose WETH as the first asset and ETH as the second asset. ERC-20 tokens are deployed with functionality that allows other smart contracts to move tokens. A hexadecimal string representing the current chain ID. You can leave the Max slippage setting at 1%. And MetaMask is a wallet for the most diverse blockchain in existence-Ethereum. The main take away from this is that its all a balancing act. The most common method is to write your 12-word phrase on a piece of paper and store it safely in a place where only you have access. Most of the time, it wont give time to think to take a certain decision. eth_accounts returns an array that is either empty or contains a single account address. supported by other wallets. For this to work, Uniswap has implemented a slippage tolerance that you can adjust. On Mobile, tap the Send button on the homepage, or tap Receive to show your QR code, copy your address, or request payment. Once the MATIC has been transferred, go to balances but choose "Withdraw" this time. This is to cover the transaction fees. MetaMask does its best to optimize each transaction before the swap is submitted. High Roller. Transactions made using MetaMask are recorded on the blockchain and are publicly available. V2 was some minor improvements, and is not available on MetaMask. All you need is an account with one of these exchanges which many people already have, hold some Ethereum in that account and choose the staking option. Are you trying to transfer tokens but receiving an error message stating Not enough ETH to send? However, the text-prefix made those signatures expensive to verify on-chain, and so with the help of the 0xProtocol (opens new window) team and SpankChain (opens new window), the EIP-712 (opens new window) spec was written. Always calculate/preview the transaction fees (see the end of . (We would never ever, or very rarely use 10% slippage these days, this is just for examples sake). We can see Gwei hit very high numbers when there is, for example, a massive pump in the trading volume and Ethereum has either rapidly increased or decreased in price. TIP: This will change how your MetaMask transactions look, so please already make sure youre used to using custom Gwei and Gas Limits before you attempt this as estimations might be wildly different at first.