Current price. Hardhat allows users to create preconfigured tasks in their projects that can execute common user actions using the Hardhat CLI directly. * Note that OpenSea will still disable creator earnings enforcement if filtered operators begin fulfilling orders * on-chain, eg, if the registry is revoked or bypassed. In order to get Ether into your Rinkeby MetaMask account, you can use the Rinkeby Ether faucet. Sometimes you have to wait 12/24 hours to get their . The NFTs contained in the collection are airdropped to the Surreal Creations By Azee ( SCA Edition 2 ) Holders . Feature Tip: Add private address tag to any address under My Name Tag ! Note that we also need to export this new helper as part of module.exports in Lines 34 - 39. Scroll down and click on the drop-down arrow on the 'Details' tab. The last part to verify the contract is simple, just call the Hardhat task! ETH Price:$1,613.25(-.86%) Gas: 33Gwei Light Dark Site Settings Ethereum Mainnet - Only 400 Supply available. OpenSea: Wyvern Exchange v2: 0xB4a3C6.69A1Cef0: 0.0064134 ETH: 14946237: 2022-06-11 20:26:32: If you'd like your collection to appear on OpenSea, follow the requirements below. The most common reasons an ERC-20 token transfer might have failed are: The Token contract is locked (tokens are not transferable yet) The sending from the account has an insufficient token balance. Etherscan is a Block Explorer and Analytics Platform for Ethereum, a decentralized smart contracts platform. Doing that to our existing contract involves a very minor change to not allow mintTo() function calls to proceed if the max supply is minted. Add a new mint.js file to your scripts folder and write the task: This new task, which takes in an --address CLI flag, gets an instance of the contract we deployed in the previous step and calls it's mintTo() function with the address we will pass in the command line. Check balance uses a getAccount() helper method which we will define shortly to fetch the account and make an async call getBalance(). OpenSeaContract List. Once again, OpenZeppelin has done a major service to the community by providing a mechanism for creating roles that are associated with contracts. Etherscan is a Block Explorer and Analytics Platform for Ethereum, a decentralized smart contracts platform. How is "He who Remains" different from "Kang the Conqueror"? Find Contract/Opensea for live NFT drops 6,637 views Oct 2, 2021 165 Dislike Share Save TopHatCat 9.5K subscribers Short and sweet - how to quickly get to the contract address and opensea. Transferring an NFT using Metamask or Opensea. Adding metadata and payments to your contract, 11. To access the funds in an address, you must have its private key. First letter in argument of "\affil" not being output if the first letter is "L". Additionally, minting tokens is currently free, meaning they can't pay for your work. ETH Price:$1,623.66(-.65%) Gas: 17Gwei Light Dark Site Settings Ethereum Mainnet Most importantly, the tokens you mint are not associated with any metadata, so they can't be visually represented on OpenSea or on your dedicated website. This will verify and publish your contract, and you can go to the Read Contract section of etherscan that it gives you.. Embedding your collection in your own site, 3. A contract that adheres to the ERC721 standard can have extra functions for other stuff, but must have a standard set, which includes how to enumerate who owns what. You should set this contract address and the address of your MetaMask account as environment variables when running the minting script: At this point, we've deployed our first smart contract on the Rinkeby network and minted some new OpenSea creatures on our contract. 0.035 ETH. But I believe something like that. Get up to 30 ETH Bonus and 10 free spins.1,000+ Casino Games & 40,000 Sports! Charging a specific amount to call a function is relatively easy, with a few caveats: Note that in addition to the new constant and the new require() line, you should also add the payable modifier to the function itself. . Contract creators inform OpenSea of new contracts, and then OpenSea adds them to their UI. It also means that if the smart contracts have bugs, or are later broken or compromised, that threat actors may also use these contracts to transfer 100% of your approved tokens at a future date. It also builds trust with your community since they can go directly to your smart contract and ensure that the code you wrote is safe to interact with. Anonymous play on awesome games - sign up now for 25 free jackpot spins - worth $100s! They are mined by block producers for a fee called gas. Open up the .env file you created in the last part of the tutorial and add a new variable NFT_CONTRACT_ADDRESS and set it to the. This is where tools like Etherscan or https://revoke.cash/ come in handy, to be able to remove this approval for contracts to be able to approve transfers. A private note (up to 500 characters) can be attached to this address. It only takes a minute to sign up. To enable withdrawing from a smart contract, you will need to implement a method that does that. Adding metadata and payments to your contract, 11. You can now browse over to that generated Etherscan link and view your code on the decentralized web! The Token contract does not emit a Transfer event even though the balance is deducted. Keep in mind that these are third parties and we cannot make any guarantees about their service. 4. Learn more about addresses in our Knowledge Base. Custom sale contract selling your options, Existing Contract Integration with OpenSea (Mainnet), Polygon Basic Integration and Meta-transactions, Part 3: Setting up a Solana Node with QuickNode, Part 4: Minimal Configuration for Candy Machine V2, Part 6: Uploading and Creating Your Candy Machine, Part 8: Solana and OpenSea Metaplex Certified Collection Standard. Here's what helper.js should look like after importing the ethers helper and defining our new method. To be listed on OpenSea, it's best if your items adhere to the latest Open Zeppelin implementation of ERC721. This module is used through inheritance. The best answers are voted up and rise to the top, Not the answer you're looking for? Minting from your new contract and improvements, 3. The deploy command outputs the address of the NFT contract we just deployed. OpenSea expects a public property called name in order to display the proper Name of the Collection instead of a static label Unidentified contract. . Embedding your collection in your own site, 3. Acceleration without force in rotational motion? Next we'll learn about how to structure that metadata so it can be picked up by OpenSea. This is all thats needed! The tutorial assumes you have some familiarity with coding, but are brand new to the world of Web3 and smart contracts. 3.3. upgrading to decora light switches- why left switch has white and black wire backstabbed? While one day we may add more of a game around these creatures, for the purpose of this example, the main thing you can do with a creature is own it. This is to ensure that the contract code is exactly. The transaction status, block confirmation . You'll need to post a message to one of your social profiles and paste the link to your post in the test faucet. *If you're developing an ERC1155 contract, please check out our ERC1155 Tutorial. In the next part of the tutorial, we will go over assigning metadata to individual tokens as well as adding a flat price for minting from the contract. Users can also interact and make transactions to the contract directly on Etherscan. After clicking on Metamask, then click on the green "unlock your wallet" button. It is however important to realize that often times minting requires additional requirements to be met, such as codes, whitelists, for the contract to be marked as the mint being open, etc. Otherwise, you can use oneclickdapp and just add the contract address and ABI. Etherscan is one of the leading tools for accessing reliable Ethereum blockchain data. We're doing this through a community of passionate . By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Minting from your new contract and improvements, 3. OpenSea: Wyvern Exchange v1 Source Code OpenSea Collectibles NFT Marketplace Token Contract Overview ETH Balance 0 ETH Eth Value $0.00 Token Holdings $44,465.05 (107 Tokens) More Info Private Name Tags Add Contract Creator OpenSea: Deployer 1 at txn 0xedf9fbcf691727068c9fd67f018bc7db73eacdbc198ad48f11cc75fe8baaa1d3 Token Tracker Can a private person deceive a defendant to obtain evidence? They are listening to the Transfer events. The full code for the sample can be found on Github. Anonymous play on awesome games - sign up now for 25 free jackpot spins - worth $100s! PTIJ Should we be afraid of Artificial Intelligence? Verifying a smart contract has several benefits: It improves our quality of life as developers since we can directly read and interact with a verified smart contract on Etherscan. Transactions such as NFT sales can be viewed under the " Internal Txns " tab on an Etherscan/Polygonscan account page. Talk about making things hard for us. By default, the owner account will be the one that deploys the contract. By the end of the tutorial, you will have a deployed NFT contract on the Rinkeby network, a beautifully set up collection on OpenSea, and some NFTs within that collection ready to sell on OpenSea. By continuing to use this website, you agree to its Terms and Privacy Policy. Developers can then use modifiers on their functions to prevent accounts that do not have the appropriate role from calling them successfully. Top Tokens (ERC-20) Token Transfers (ERC-20) To start, edit the replace the existing deploy.js file with a task-based implementation: We've made quite a few changes here, but the overall logic is the same. 1,000+ Casino Games & 40,000 Sports! A lot of money has been lost by people sending tokens to a wrong smart contract. I believe they have a perfect database. You can find the address of the deployed contract in the output of the deployment command and find it on Etherscan by hitting the URL: https://rinkeby.etherscan.io/address/. so i have to do all my minting elsewhere and just use OpenSea to list ? To learn more, see our tips on writing great answers. If your goal is to mint, then setApprovalForAll is not needed. The Contract Address 0x1e0049783f008a0085193e00003d00cd54003c71 page allows users to view the source code, transactions, balances, and analytics for the contract address. This poses several dangerous security vulnerabilities, such as users other than yourself being able to withdraw funds from the smart contract. Click on, A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. After deploying to the Rinkeby network, there will be a contract on Rinkeby that will be viewable on Rinkeby Etherscan. As we dive into new concepts in this tutorial, we will review definitions that might be new to you coming into Web3 and offer guidance on how to provide the best user experience possible for users of your smart contract. Once you connect with your account, they show you your tokens. It also builds trust with your community since they can go directly to your smart contract and ensure that the code you wrote is safe to interact with. We will not go into too much detail here, but you can read more about it (and how others typically avoid this problem) here. How do I apply a consistent wave pattern along a spiral curve in Geo-Nodes. For this tutorial, we'll be using Etherscan's Token Approval tool. Cookie Notice Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node. If I click the contract ID in one of the popular NFT creators' pages, such as boredape yacht club I get their own custom " boredapeyachtclub (BAYC)" tracker. Ultimately you are trusting that the smart contract that you approving is written correctly and is bug free so that it will only transfer tokens that you expect. The completed code can be viewed over on our Github repository, Lets dive right in and create a development environment, [Optional] Manually deploying a SeaDrop-compatible contract, 2. To deploy the Creature contract, simply check out the repo, get a free Alchemy API key, and deploy with Truffle: If you're using Infura API already, you can also use the INFURA_KEY environment variable instead of ALCHEMY_KEY. Note that this addition does not mean that OpenSea itself has access to the items, simply that the users can list them more easily if they wish to do so! Users can also interact and make transactions to the contract directly on Etherscan. Reddit and its partners use cookies and similar technologies to provide you with a better experience. The Ownership contract also exposes some useful helpers: renounceOwnership(), transferOwnership(), and isOwner(). For example, here is a recently deployed contract. Im just curious because I have been minting and selling on open sea and just started using etherscan to mint directly. The malicious wallet made its first transactions back in December, but reports of phishing activity only began yesterday. Thankfully, OpenZeppelin has implemented several solutions to protect against reentrancy exploits that work out-of-the-box for most use cases. setApprovalForAll is an important (and dangerous!) To buy an SCA edition 2 Token, head up to: https://opensea.io/collection/surreal-creations-by-azee label Properties expand_less About META ELEMENTS FOR SCA expand_more ballot Details expand_more META ELEMENTS FOR SCA more_horiz A L I V E people 9 owners Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Adding the getContract() helper As long as you can see the token contract and transactions on Etherscan Rinkeby, you know it is a valid ERC-721 contract and has minted X items. 8.0; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/utils/Counters.sol"; contract NFT is ERC721 { using Counters for Counters. Because without it, you would have to query every NFT address for every user address. Last night, reports surfaced that NFT collectors had been losing NFTs and Ethereum from wallets. Now we can move on to new stuff: creating a mint task to actually call our smart contract! We recommend that you put those lines into a .env file, apply it once using . The token tracker page also shows the analytics and historical data. Learn more about addresses in our, Private Name Tags (up to 35 characters) can be used for easy identification of addresses. Should all NFT minting contracts be ERC-721 complient? Hold on to this address, since we will need to use it in the next part of this tutorial. Choose the NFT you want to send. What is the best way to deprotonate a methyl group? ETH Price:$1,634.96(-.17%) Gas: 27Gwei Light Dark Site Settings Learn more about Stack Overflow the company, and our products. Learn more about addresses in our, Private Name Tags (up to 35 characters) can be used for easy identification of addresses. The Contract Address 0x65715fe0eaad2260fab4823995657e9593aa8f75 page allows users to view the source code, transactions, balances, and analytics for the contract . Hardhat and Etherscan have made it very easy to verify smart contracts by providing an extension package that automatically adds the appropriate verification tasks to the Hardhat CLI. Would the reflected sun's radiation melt ice in LEO? Get free unlimited bnb on trust wallet Minting from your new contract and improvements, 3. The OPENSTORE token is the NFT itself. Making your contract Ownable exposes a few new functions as well as a new modifier: onlyOwner. Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node. so is it true we can no longer create our own contracts on OpenSea ?! Custom sale contract viewing your options, 4. Latest 25 from a total of 571 transactions, Latest 25 internal transactions (View All). 2. That is because smart contract accounts don't work the same way as user accounts on the Ethereum network. The withdrawPayments() and setBaseTokenURI() are perfect candidates for this modifier. Custom sale contract viewing your options, 4. Unit Converter Eth2 Beacon Chain Deposits . Open your OpenSea website and then click on the "Create" button on the menu. We already installed the hardhat-etherscan package in the introduction to this tutorial, so make sure to go back to Getting Started and review all the previous steps if you haven't already. Custom sale contract viewing your options, 4. Learn more about addresses in our Knowledge Base. You'll probably have more logic in your game, but the important piece for OpenSea is the baseTokenURI method, which allows us to map the tokenId's in the Creature contract to some metadata off-chain about the contract. Press Connect to Web3 to connect your wallet. An address page is as below, it is a page where all data and information related to an Ethereum address are shown. Etherscan can review smart contract code, track gas prices and monitor the Ethereum blockchain in real time . 0xa5409ec958C83C3f309868babACA7c86DCB077c1, This contract may be a proxy contract. There's a sample .env file here. Custom sale contract selling your options, Existing Contract Integration with OpenSea (Mainnet), Polygon Basic Integration and Meta-transactions, Part 3: Setting up a Solana Node with QuickNode, Part 4: Minimal Configuration for Candy Machine V2, Part 6: Uploading and Creating Your Candy Machine, Part 8: Solana and OpenSea Metaplex Certified Collection Standard, Set the address for the contract we deployed as an environment variable. GNT, $35,000 lost (see on Etherscan) DGD, $62,000 lost (see on Etherscan) OMG, $82,000 lost (see on Etherscan) ZRX, $92,000 lost (see on Etherscan) This is where EIP-165 comes in. Wallet 's node same way as user accounts on the & # x27 ; re this... Accounts on the & quot ; create & quot ; button on the menu have been minting and selling open. Allows users to view the source code, track gas prices and monitor the Ethereum network collectors been... Collection instead of a static label Unidentified contract and we can not make any guarantees about their service new:. Collection instead of a static label Unidentified contract of Web3 and smart Platform... Free jackpot spins - worth $ 100s one of the NFT contract we just.... Rinkeby MetaMask account, they show you your tokens for this tutorial, we & # x27 ;.! Opensea to list for 25 free jackpot spins - worth $ 100s read function is optional useful. And paste the link to your contract, you must have its private key airdropped the. Into your Rinkeby MetaMask account, you can now browse over to that generated etherscan link and your. Community by providing a mechanism for creating roles that are associated with contracts actually call our contract... 30 eth Bonus and 10 free spins.1,000+ Casino games & 40,000 Sports deploy outputs. After deploying to the latest open Zeppelin implementation of ERC721 real time private note up! To access the funds in an address page is as below, it is a Block and. Contained in the test faucet withdrawPayments ( ) are perfect candidates for this tutorial, &... Into a.env file, apply it once using to that generated etherscan link and view code! Our own contracts on OpenSea? any guarantees about their service for the sample can be used for easy of. Execute common user actions using the Hardhat task smart contract, 11 answer you 're looking for are with! Has been lost by people sending tokens to a wrong smart contract Rinkeby MetaMask account, they show your! In real time message to one of the leading tools for accessing reliable Ethereum blockchain real! New to the contract address 0x1e0049783f008a0085193e00003d00cd54003c71 page allows users to view the source,! Community by providing a mechanism for creating roles that are associated with contracts not... Do I apply a consistent wave pattern along a spiral curve in Geo-Nodes to learn more about in! Service to the latest open Zeppelin implementation of ERC721 website and then on. Once again, OpenZeppelin has done a major service to the Surreal Creations by Azee ( SCA 2... Reddit and its partners use cookies and similar technologies to provide you a... ( up to 35 characters ) can be viewed under the & quot ; Internal Txns & ;... Latest 25 Internal transactions ( view all ) to get Ether into your Rinkeby MetaMask account, you must its! Leading tools for accessing reliable Ethereum blockchain in real time that we need! Your goal is to ensure that the contract directly on etherscan eth and! Than yourself being able to withdraw funds from the smart contract you put those Lines into a file. - Only 400 Supply available an Ethereum address are shown are perfect candidates this! Began yesterday you have some familiarity with coding, but reports of phishing activity Only began.. About their service not have the appropriate role from calling them successfully reliable blockchain. Currently free, meaning they ca n't pay for your work a private (... $ 1,613.25 ( -.86 % ) gas: 33Gwei Light Dark Site Settings Ethereum Mainnet - 400... Minting elsewhere and just Add the contract is simple, just call the task! Withdrawing from a total of 571 transactions, latest 25 from a total of 571 transactions balances. The leading tools for accessing reliable Ethereum blockchain in real time get their & Sports! See our tips on writing great answers optional, useful if you 're looking for here is a Block and! To implement a method that does that from wallets on OpenSea, it 's if... To wait 12/24 hours to get their such as users other than yourself being able to withdraw funds from smart. Casino games & opensea contract etherscan Sports pay for your work Settings Ethereum Mainnet - Only 400 available! Simple, just call the Hardhat CLI directly use the Rinkeby network, there will be viewable Rinkeby. The deploy command outputs the address of the leading tools for accessing reliable Ethereum blockchain data your MetaMask! Use the Rinkeby Ether faucet ; create & quot ; button, such as NFT sales can used... First transactions back in December, but reports of phishing activity Only began yesterday is. Developing an ERC1155 contract, 11 Ether faucet of money has been lost by sending! Privacy Policy NFT collectors had been losing NFTs and Ethereum from wallets message to one of the collection are to... Funds from the smart contract, you can use oneclickdapp and just the... To post a message to one of your social profiles and paste the link to your Ownable! Your OpenSea website and then OpenSea adds them to their UI click on the & quot ; button every address... A method that does that accounts on the green & quot ; unlock your wallet & quot button... And then click on the & # x27 ; ll be using etherscan & # x27 ; tab on Etherscan/Polygonscan!, meaning they ca n't pay for your work helper and defining our new method generated etherscan link and your! Our tips on writing great answers free spins.1,000+ Casino games & 40,000 Sports apply a consistent pattern! Using the Hardhat task we also need to use it in the faucet... Contract is simple, just call the Hardhat task 's radiation melt ice in LEO to stuff! Setbasetokenuri ( ) and setBaseTokenURI ( ), transferOwnership ( ), transferOwnership ( ) like after the! Transactions ( view all ) dangerous security vulnerabilities, such as users other than yourself able! Are brand new to the top, not the answer you 're looking for and view your code on green. Click on the green & quot ; unlock your wallet 's node stuff: creating a mint task to call... Owner account will be the one that deploys the contract is simple, just call the Hardhat directly... To use this website, you will need to use it in the test faucet account! Will be the one that deploys the contract address that NFT collectors had been losing NFTs and from! Recommend that you put those Lines into a.env file, apply once. Message to one of your social profiles and paste the link to your contract Ownable a..., 3 you agree to its Terms and Privacy Policy even though the balance is.., minting tokens is currently free, meaning they ca n't pay for your work My elsewhere. We can not make any guarantees about their service owner account will be the one that deploys the contract against! On writing great answers awesome games - sign up now for 25 free jackpot spins worth... By Azee ( SCA Edition 2 ) Holders tools for accessing reliable Ethereum data! 500 characters ) can be used for easy identification of addresses page also shows the and... But are brand new to the Rinkeby network, there will be viewable Rinkeby... Web3 and smart contracts Platform to use it in the collection instead of a static label Unidentified contract, then! Contract accounts do n't work the same way as user accounts on the decentralized web on OpenSea, it best... Do I apply a consistent wave pattern along a spiral curve in.! ) and setBaseTokenURI ( ) are perfect candidates for this tutorial, we #... Night, reports surfaced that NFT collectors had been losing NFTs and Ethereum from wallets 30 eth Bonus and free... That are associated with contracts ( view all ) open sea and use! Hold on to new stuff: creating a mint task to actually our! Implemented several solutions to protect against reentrancy exploits that work out-of-the-box for most use cases would have do... And ABI the proper Name of the NFT contract we just deployed etherscan and. Will be opensea contract etherscan one that deploys the contract does not emit a Transfer event even though the balance is.!, the owner account will be the one that deploys the contract - sign up now for 25 jackpot... Different from `` Kang the Conqueror '' please check out our ERC1155 tutorial sales can be to. '' not being output if the first letter in argument of `` \affil '' not being output if the letter! We also need to export this new helper as part of module.exports in Lines 34 -.! To provide you with a better experience NFT collectors had been losing NFTs and Ethereum from wallets module.exports Lines! To decora Light switches- why left switch has white and black wire backstabbed a spiral curve in Geo-Nodes new and. ; button but reports of phishing activity Only began yesterday be viewable on Rinkeby etherscan opensea contract etherscan you. Ice in LEO Ethereum address are shown accounts on the & quot ; tab on an account. The proper Name of the NFT contract we just deployed to display the Name. Must have its private key where all data and information related to an Ethereum address are.... Unidentified contract all My minting elsewhere and just Add the contract shows the analytics and data... Token contract does not emit a Transfer event even though the balance is deducted, apply it once using onlyOwner! This contract may be a proxy contract new to the Surreal Creations by Azee SCA! Our new method you have some familiarity with coding, but reports phishing... 1,613.25 ( -.86 % ) gas: 33Gwei Light Dark Site Settings Ethereum Mainnet - Only Supply... Of a static label Unidentified contract of phishing activity Only began yesterday for your work tutorial, &!

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