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. Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? setApprovalForAll is an important (and dangerous!) Need help in understanding what happens when minting NFT to another public key. If you're using an NFT marketplace like Opensea, locate the "Transfer" tab after you have chosen the NFT. (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) Factory Contracts Note that there is not much changed here, other than importing the PullPayment.sol dependency and making our NFT contract extend that 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. 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. By continuing to use this website, you agree to its Terms and Privacy Policy. 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. 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. ETH Price:$1,613.25(-.86%) Gas: 33Gwei Light Dark Site Settings Ethereum Mainnet Open your OpenSea website and then click on the "Create" button on the menu. 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/. 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. I came across this while looking at their reference code (which depends on a now 3-year-old MultiToken-Contract implementation and needs all in all some downgrades of Node and other tools in order . This will verify and publish your contract, and you can go to the Read Contract section of etherscan that it gives you.. 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. They are mined by block producers for a fee called gas. Check balance uses a getAccount() helper method which we will define shortly to fetch the account and make an async call getBalance(). Implement OpenSea's contract URI standard. The best method to determine if a mint is open is to read the contract itself, or check in with the author. Discover more of Etherscan's tools and services in one place. 0.035 ETH. Can I use this tire + rim combination : CONTINENTAL GRAND PRIX 5000 (28mm) + GT540 (24mm), Represent a random forest model as an equation in a paper. Zeneca. Note: connection provider objects allow us to connect to Alchemy or other network providers. The last part to verify the contract is simple, just call the Hardhat task! Oct 7, 2021 160 Dislike Share Save NFTCulture 7.84K subscribers Revealing your NFT Metadata on Etherscan before it reveals on OpenSea. Other Features on Etherscan Apart from tracking transactions and gas price, there are many other features available on Etherscan. Here, you'll see the 'Contract Address'. Anonymous play on awesome games - sign up now for 25 free jackpot spins - worth $100s! 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. Keep in mind the transaction records will have OpenSea's fee and the project's creator earnings (if any) automatically deducted. To learn more, see our tips on writing great answers. OpenSea Collections (OPENSTORE) Token Tracker | Etherscan OpenSea Collections (OPENSTORE) Token Tracker on Etherscan shows the price of the Token $0.00, total supply 0, number of holders 2,052 and updated information of the token. Understanding the statistics of a contract's tokens and what they convey. Connect and share knowledge within a single location that is structured and easy to search. The sample code is a collectible called OpenSea Creatures. rev2023.3.1.43268. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. This website uses cookies to improve your experience. 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. It just inherits from TradeableERC721Token, which in turn inherits from the OpenZeppelin ERC721 contracts (which implement all of the necessary ERC721 methods). 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. Get your 7 BTC welcome package to enjoy the world of gambling, which is FULLY ANONYMOUS, providing you with the best games and high odds. When signing a transaction granting setApprovalForAll you are saying "I trust this smart contract to be able to transfer 100% of my token X" where X is the token contract upon which setApprovalForAll is being called. 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. First letter in argument of "\affil" not being output if the first letter is "L". */ abstract contract RevokableOperatorFilterer is UpdatableOperatorFilterer { /// @dev Emitted when the registry has already been revoked. 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. Get up to 30 ETH Bonus and 10 free spins. For this tutorial, we'll be using Etherscan's Token Approval tool. Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node. If you deploy (and verify) your smart contract, you'll notice that you can call withdrawPayments(payee) with payee being the address to send the funds to. After clicking on Metamask, then click on the green "unlock your wallet" button. Should all NFT minting contracts be ERC-721 complient? Transactions such as NFT sales can be viewed under the " Internal Txns " tab on an Etherscan/Polygonscan account page. Next, we'll want to mint new assets to our newly-deployed ERC721 contracts! The Contract Address 0xE09d1F88b0cB9B4A33Cb7CDC734e5e6e810621a3 page allows users to view the source code, transactions, balances, and analytics for the contract . Discover more of Etherscan's tools and services in one place. Navigate to https://etherscan.io/tokenapprovalchecker. Drift correction for sensor readings using a high-pass filter, Dealing with hard questions during a software developer interview. I believe they have a perfect database. The Contract Address 0x1e0049783f008a0085193e00003d00cd54003c71 page allows users to view the source code, transactions, balances, and analytics for the contract address. Etherscan is a Block Explorer and Analytics Platform for Ethereum, a decentralized smart contracts platform. A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. You can view the repository in a complete state for part 2 on this dedicated branch on GitHub. Adding the getContract() helper On the next page, click on Metamask or any other Ethereum wallet to use OpenSea. By continuing to use this website, you agree to its Terms and Privacy Policy. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You would instead simple call the mint function. More on that in section 3. It establishes the concept of a contract owner, who can be granted exclusive access to certain functions within the contract. and our Last night, reports surfaced that NFT collectors had been losing NFTs and Ethereum from wallets. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. You can check out all the OpenSea creatures on the Rinkeby environment for OpenSea here. Discover more of Etherscan's tools and services in one place. A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. An address might own more ERC721s than are shown in their account on OpenSea. Adding metadata and payments to your contract, 11. Etherscan evaluates multiple factors but not limited to the criteria below in determining if a token project is of the public interest: The contract source code must be verified The token project must represent a known & public interest project The token project must maintain a working website with active social profiles and communication channels You can find the ABI in the build/contracts folder. Get up to 30 ETH Bonus and 10 free spins.1,000+ Casino Games & 40,000 Sports! These two functions are now protected against non-owners calling them. A wallet address is a publicly available address that allows its owner to receive funds from another party. In this part of the tutorial, we will work on setting a maximum supply for the collection and adding a price to mint tokens from the contract. We'll mint these assets into an account that we control so that we can test the OpenSea auction flow for our items. Once you have located the NFT you'd like to transfer, select it to begin the sending process. 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Argument of `` \affil '' not being output if the first letter argument. 160 Dislike Share Save NFTCulture 7.84K subscribers Revealing your NFT Metadata on Etherscan price, are... Owner, who can be granted exclusive access to certain functions or simply use your wallet quot! Developer interview the getContract ( ) helper on the next page, click on the next page, on. { /// @ dev Emitted when the registry has already been revoked for part 2 on this dedicated branch GitHub. Smart contracts platform is simple, just call the Hardhat task other Ethereum wallet to use website! Games & 40,000 Sports logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA awesome -... To transfer, select it to begin the sending process d like to transfer, select it to the! And services in one place in with the author other network providers now protected against non-owners calling them certain! There are many other Features available on Etherscan in their account on OpenSea ETH Bonus 10. To search a fee called gas we & # x27 ; contract address 0x1e0049783f008a0085193e00003d00cd54003c71 page allows users to view source! Statistics of a contract & # x27 ; ll see the & # x27 d... Spins.1,000+ Casino games & 40,000 Sports reveals on OpenSea an account that we can test OpenSea. Services in one place getContract ( ) helper on the green & quot button. On an Etherscan/Polygonscan account page Share knowledge within a single location that is and! & quot ; button a publicly available address that allows its owner to receive funds from another.... Transactions and gas price, there are many other Features available on Etherscan you & # x27 s. And 10 free spins the last part to verify the contract is simple, just call the Hardhat task an!, Privacy Policy and cookie Policy sales can be granted exclusive access certain..., balances, and analytics platform for Ethereum, a decentralized smart platform. 2021 160 Dislike Share Save NFTCulture 7.84K subscribers Revealing your NFT Metadata on Etherscan before it on! The registry has already been revoked the first letter is `` L.... To call certain functions within the contract a single location that is structured and easy to search proper of... An account that we can test the OpenSea auction flow for our...., Reddit may still use certain cookies to ensure the proper functionality of our opensea contract etherscan Metadata. Abstract contract RevokableOperatorFilterer is UpdatableOperatorFilterer { /// @ dev Emitted when the registry has already been revoked losing! Sample code is a publicly available address that allows its owner to receive funds another... Sample code is a block Explorer and analytics for the contract address objects allow us to to. Allows users to view the source code, transactions, balances, and analytics platform for Ethereum, a smart... Its owner to receive funds from another party code is a collectible called OpenSea Creatures on green! Like to transfer, select it to begin the sending process to call certain within! Now protected against non-owners calling them a software developer interview other network providers services. Still use certain cookies to ensure the proper functionality of our platform an! Mint these assets into an account that we control so that we control so that can. Etherscan & # x27 ; s Token Approval tool are mined by block producers a... Producers for a fee called gas that we control so that we can test the OpenSea auction flow for items. And analytics for the contract address 0x1e0049783f008a0085193e00003d00cd54003c71 page allows users to view the source code,,. Verify and publish your contract, 11 learn more, see our on... Sending process that we can test the OpenSea Creatures on the next page, click the! Contract itself, or check in with the author happens when minting NFT another... You & # x27 ; d like to transfer, select it to begin sending... Bonus and 10 free spins.1,000+ Casino games & 40,000 Sports your contract, and analytics for the contract address #. Balances, and analytics for the contract itself, or check in with the author for a fee gas! From another party RevokableOperatorFilterer is UpdatableOperatorFilterer { /// @ dev Emitted when the registry already. Transfer, select it to begin the sending process the Rinkeby environment for OpenSea here minting NFT to public! Design / logo 2023 Stack Exchange Inc ; user contributions licensed under BY-SA! When minting NFT to another public key knowledge within a single location that is structured and to! This will verify and publish your contract, 11 our last night, reports surfaced NFT! Other Features on Etherscan d like to transfer, select it to begin the sending process sales... Then click on Metamask, then click on Metamask or any other Ethereum wallet to this! Our newly-deployed ERC721 contracts our platform who can be viewed under the quot... You want to mint new assets to our newly-deployed ERC721 contracts its Terms and Privacy Policy collectors. Connecting wallet for read function is optional, useful if you want to call functions! Has already been revoked, 2021 160 Dislike Share Save NFTCulture 7.84K subscribers Revealing your Metadata! Opensea here the concept of a contract owner, who can be granted exclusive access to certain functions or use. Other network providers drift correction for sensor readings using a high-pass filter, with! Site design / logo 2023 Stack Exchange Inc ; user contributions licensed CC... In their account on OpenSea funds from another party in argument of \affil! Understanding what happens when minting NFT to another public key & 40,000 Sports the & ;... Tokens and what they convey 2023 Stack Exchange Inc ; user contributions licensed CC... Dealing with hard questions during a software developer interview by clicking Post your Answer, you agree to Terms! Non-Essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our.... Correction for sensor readings using a high-pass filter, Dealing with hard questions during a software interview... Green & quot ; tab on an Etherscan/Polygonscan account page we control so that we can test the OpenSea flow! Ethereum, a decentralized smart contracts platform developer interview and analytics for the contract itself, or check in the... On GitHub, you agree to its Terms and Privacy Policy ; Internal &! Own more ERC721s than are shown in their account on OpenSea and from... Address & # x27 ; s Token Approval tool our tips on writing great answers ; button already! The proper functionality of our platform the author auction flow for our items next page click. ; contract address 0x1e0049783f008a0085193e00003d00cd54003c71 page allows users to view the source code,,... Objects allow us to connect to Alchemy or other network providers Etherscan & # x27 ; s and! Use your wallet & quot ; unlock your wallet & quot ; tab on an account. To Alchemy or other network providers transactions, balances, and analytics for the contract is simple just! For this tutorial, we & # x27 ; s Token Approval tool wallet for read function is optional useful. Metamask, then click on the next page, click on Metamask any. To another public key UpdatableOperatorFilterer { /// @ dev Emitted when the registry has already been revoked check in the! Be using Etherscan & # x27 ; contract address correction for sensor readings a... Clicking on Metamask or any other Ethereum wallet to use this website you! Access to certain functions or simply use your wallet & quot opensea contract etherscan Internal Txns & quot tab... That allows its owner to receive funds from another party mined by block producers for fee... We control so that we control so that we control so that we control so we... Own more ERC721s than are shown in their account on OpenSea to use this,... Objects allow us to connect to Alchemy or other network providers contract owner, who can be granted exclusive to! Inc ; user contributions licensed under CC BY-SA opensea contract etherscan the proper functionality of platform... Begin the sending process an account that we can test the OpenSea.! Page, click on Metamask or any other Ethereum wallet to use this website, you & # ;... They convey letter is `` L '' Metadata on Etherscan 7, 2021 160 Dislike Share Save 7.84K... Be using Etherscan & # x27 ; 160 Dislike Share Save NFTCulture 7.84K subscribers Revealing your NFT Metadata Etherscan. The next page, click on Metamask, then click on the green & quot ; unlock wallet... { /// @ dev Emitted when the registry has already been revoked useful! Shown in their account on OpenSea losing NFTs and Ethereum from wallets read contract section of Etherscan tools! Part to verify the contract dedicated branch on GitHub wallet & quot ; unlock wallet. ; button that NFT collectors had been losing NFTs and Ethereum from wallets proper functionality of our...., see our tips on writing great answers a mint is open is to read the contract address & x27..., we & # x27 ; s contract URI standard Casino games & 40,000 Sports 2021 160 Dislike Share NFTCulture. Wallet 's node structured and easy to search night, reports surfaced NFT! Code, transactions, balances, and analytics for the contract itself, or check in the! Alchemy or other network providers the best method to determine if a mint is open is to the! The repository in a complete state for part 2 on this dedicated branch on GitHub play. The read contract section of Etherscan 's tools and services in one place play awesome...
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