Feature Tip: Add private address tag to any address under My Name Tag ! Searching and understanding the transactions that have happened through a smart contract. Custom sale contract viewing your options, 4. Reddit and its partners use cookies and similar technologies to provide you with a better experience. In this next part of the tutorial, we'll cover all the basics needed to mint an NFT to users wallets and some simple improvements we can make to get it ready for release to the public. 1,463 views Feb 3, 2022 37 Dislike Share Save Techmaker Studio 7.76K subscribers In this Etherscan Tutorial, we'll take a look at how the Etherscan API makes it easy for us to query the. When buying and selling crypto is easier than shopping on Amazon. A private note (up to 500 characters) can be attached to this address. OpenSea expects a public property called name in order to display the proper Name of the Collection instead of a static label Unidentified contract. Etherscan is a Block Explorer and Analytics Platform for Ethereum, a decentralized smart contracts platform. 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. You can find this code in the overridden isApprovedForAll method, along with the factory mint methods. Get up to 30 ETH Bonus and 10 free spins.1,000+ Casino Games & 40,000 Sports! . Embedding your collection in your own site, 3. Early on a solution was proposed and is now a popular new standard. Is my first contract in this tecnology. ; Add an "Ownable" owner function as the primary system of contract ownership.You can learn how to implement the Ownable standard on GitHub. 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. On OpenSea, each user has a "proxy" account that they control, and is ultimately called by the marketplace contracts to trade their items. If your goal is to mint, then setApprovalForAll is not needed. Talk about making things hard for us. Open the Token Approval page. Additionally, the ERC721Tradable and ERC1155Tradable contracts whitelist the proxy accounts of OpenSea users so that they are automatically able to trade any item on OpenSea (without having to pay gas for an additional approval). so i have to do all my minting elsewhere and just use OpenSea to list ? But, there is one specific problem with these platforms. Sale ends March 18, 2023 at 12:10 PM. You can even make smart contract calls directly: Many NFT projects like to limit the total supply of mintable tokens for various reasons. The very last step is importing the new mint.js file to our hardhat.config.js configuration so that it is picked up by Hardhat: We are now ready to go! For example, here is a recently deployed contract. What does setApprovalForAll do when minting an NFT directly from contracts on Etherscan? Last, lets slightly modify the hardhat.config.js configuration file to import our newly defined tasks. Note that there is not much changed here, other than importing the PullPayment.sol dependency and making our NFT contract extend that contract. Updated 7 months ago Contract Interactions on the Chain A transaction is the needed indicator to execute some aspect of a smart contract's functions. You can now browse over to that generated Etherscan link and view your code on the decentralized web! seems to be the case but thought i'd ask in case i'm missing something. Connect and share knowledge within a single location that is structured and easy to search. Should all NFT minting contracts be ERC-721 complient? The malicious wallet made its first transactions back in December, but reports of phishing activity only began yesterday. 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 deploying to the Rinkeby network, there will be a contract on Rinkeby that will be viewable on Rinkeby Etherscan. For the sake of this tutorial, we will focus on the much simpler Ownable helper, but the two systems work similarly. 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. Discover more of Etherscan's tools and services in one place. It just inherits from TradeableERC721Token, which in turn inherits from the OpenZeppelin ERC721 contracts (which implement all of the necessary ERC721 methods). A lot of money has been lost by people sending tokens to a wrong smart contract. Just remember it's not the whole file that is the ABI, just the section that says ABI.. Adding this modifier to your functions will make it so that only you (or the owner) will be able to call that function. This is to ensure that the contract code is exactly. Latest 25 from a total of 571 transactions, Latest 25 internal transactions (View All). Can a VGA monitor be connected to parallel port? 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. Embedding your collection in your own site, 3. Custom sale contract viewing your options, 4. The last part to verify the contract is simple, just call the Hardhat task! Enter your address into the search bar and click the search button. Minting from your new contract and improvements, 3. 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. Privacy Policy. Minting from your new contract and improvements, 3. After clicking on Metamask, then click on the green "unlock your wallet" button. I understand you can do this via the JS SDK and not need to put in the arguments in this same way, but I can't get an API to test anything, OS are not responding to the request, which I gather is a common problem to have, and their generic test key on their docs won't allow input of additional arguments. Etherscan is a Block Explorer and Analytics Platform for Ethereum, a decentralized smart contracts platform. $55.88. 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. . Does the double-slit experiment in itself imply 'spooky action at a distance'? 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. 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. PTIJ Should we be afraid of Artificial Intelligence? This just means that the NFT was created using the OpenSea shared contract. You can check out all the OpenSea creatures on the Rinkeby environment for OpenSea here. 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. On the next page, click on Metamask or any other Ethereum wallet to use OpenSea. ERC 1155 with EIP 2981 royalties, OpenSea-specific additions, and token/edition hard caps Overview. Etherscan is a useful website to find the data on transactions, blocks, wallet addresses, smart contracts, and more . 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. Oct 7, 2021 160 Dislike Share Save NFTCulture 7.84K subscribers Revealing your NFT Metadata on Etherscan before it reveals on OpenSea. 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. so is it true we can no longer create our own contracts on OpenSea ?! Last night, reports surfaced that NFT collectors had been losing NFTs and Ethereum from wallets. We recommend that you put those lines into a .env file, apply it once using . 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. Minting from your new contract and improvements, 3. The full code for the sample can be found on Github. In order to begin using the Etherscan extension package, we need to import it to our Hardhat config and add some configuration for the Etherscan API. Make sure you don't share your seed phrase for any accounts containing Mainnet tokens! Understanding the statistics of a contract's tokens and what they convey. Cookie Notice Ethereum Stack Exchange is a question and answer site for users of Ethereum, the decentralized application platform and smart contract enabled blockchain. Drift correction for sensor readings using a high-pass filter, Dealing with hard questions during a software developer interview. Verifying contracts on Etherscan To update token information on Etherscan, the token contract address for the token must be verified. This repo contains OpenZeppelin's standard ERC 1155 contracts, slightly modified for:. Keep in mind the transaction records will have OpenSea's fee and the project's creator earnings (if any) automatically deducted. It's entirely optional, but results in significantly less user friction. 2. Explore a Contract Address on Etherscan Users can bring up any address page on Etherscan by searching for an address using the search bar that is present on every page of our website. Minting from your new contract and improvements, 3. Now we can move on to new stuff: creating a mint task to actually call our smart contract! Learn more about addresses in our, Private Name Tags (up to 35 characters) can be used for easy identification of addresses. OpenSea - Browse NFT Collectionshttps://opensea.io/Etherscan - View all Ether transactionshttps://etherscan.io/Bored Ape Yacht Club https://opensea.io/collec. Crypto wallets like MetaMask will not display internal transactions. By default, the owner account will be the one that deploys the contract. ; OpenSea-recommended features like whitelisting and meta-transactions to reduce trading friction, a PermanentURI event to signal frozen metadata, a simple . Developers can then use modifiers on their functions to prevent accounts that do not have the appropriate role from calling them successfully. Custom sale contract viewing your options, 4. 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? Create a new helpers.js file and add in 3 new helper methods: This new helpers file moves common logic we will need to use a lot (like getting an environment variable or the account based on the PK we added in the .env file) and exports them as easy-to-use helpers. You'll need to post a message to one of your social profiles and paste the link to your post in the test faucet. 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. 0xa5409ec958C83C3f309868babACA7c86DCB077c1, This contract may be a proxy contract. Unfortunately, smart contract development in Solidity is prone to abuse from an exploit called the Reentrency Problem. Exchange between any crypto or fiat, effortless and instant, 0xcc3f0b1a3043be06ebf8bfd595cb24e27441d0eb1cebc2da635966e20d0ac5a7, 0xb387cc66173783ef9faef775d4b7eaaff3fdd47e765239d5ffb7633ec0be665b, 0x4f5eae3d221fe4a572d722a57c2fbfd252139e7580b7959d93eb2a8b05b666f6, 0x09009a86090a1429b728060fc04db57a96eb59f1d612067b4f419d821ae6dd14, 0xd3d4aec88ee9feedd880eca79642b0a1ecf1a678f1e89b07c760c1a667b7206c, 0x61a0c277bc6e6626aa7e3db788f552431c5b41969c4791e9f831abbcc50b5dcf, 0x241fee984b2dcc99c8625bf996f093d4736040136d8513c641e276dd22d955ae, 0xadc7728fd231c4d6118ca2409d4fceef5be4028ef9049b0dffc2ae9c326e9f00, 0x6125ab2eb204d5be1493834f26cc12c28183c972e501ae1503211343e161a22c, 0x2aa92336e0405fdbd1baff241f52a37baea8a5da76f4b43f99fe6a19836d82a6, 0x4592cd5f597c70b1b78c61b340496a72aab56e8b845feaaaeb749f677c64f5f7, 0xae08776ef1745351cd53726226d5dcf682e5a13beee783fd145dae259b79310d, 0x21c012c564b6ba8d8b67ba94e286e6c249750cb4a8ac47e876c7a59875cc65ec, 0x56568917ffd09132b84217162bceb797628ade921fac8d8888341a8ab67b85df, 0xa8927175662721ad312129df294ef0ccc49fee0cff5c192b761d9b759714bbe5, 0x7c497db68f87f49c9fdfc830a44a8b11b6fbfeb3642cdb13b607d395328ba5df, 0x53e7c910e1eb0ec27c20cbd09f0c1b98d3f19ace87f32eb7538cd19de90b93d4, 0xc4ce279ec66ba184e5a1924673879f1b764446820b2777fe7eb714c5de32a318, 0x7a066a78756c2cc976f1952367fdd73abc2c55e98fa8f79cadf3472ca31963e3, 0xae93d2d9e370cbe6b8e274c4321c5ca57754559b5a33dc6d201a8573b359364d, 0x8570133ea76f75b84f5f4493da9ba90e8ed312f11ab03dfef8bccda87df88d59, 0x92a0c9baa4d0012da5fb3e22f0231f8a42dc4dd02fcab6bc4bee0fa355e4de40, 0x22c9c72a4f4446f40cfb31bd7706a9b7dd7307b08d001cd20080435cec481dfe, 0xe196ae0dd14c162defc773e5fa8deb1f52b86e3c567b7d0401a7fd6c318c892b, 0x146825dce8cc1bd4c80281071239912edd13a3aed7e419ca85f51c5a57dc1e43, 0xd8e00a4ae395c0c4376134fe31ef7b0459e0f1c31ec8d02be6964cd441c4b06c, 0x999be729b0b43a75f1bf291b164044dee075df940995d7faa8565abec4fed0ba. It will make available the modifier onlyOwner, which can be applied to your functions to restrict their use to the owner. 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. Embedding your collection in your own site, 3. How is "He who Remains" different from "Kang the Conqueror"? Note that we also need to export this new helper as part of module.exports in Lines 34 - 39. Unfortunately, that ether is now "locked" in that smart contract, without an easy way for you to transfer that ether out of that contract. 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. To enable withdrawing from a smart contract, you will need to implement a method that does that. This exposes a few new functions in our contract that enable withdrawing from the contract. The Ownership contract also exposes some useful helpers: renounceOwnership(), transferOwnership(), and isOwner(). Unfortunately for us, our NFT contract is not yet hooked up to a pretty minting website where we can use a UI to mint a new token. 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 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. This poses several dangerous security vulnerabilities, such as users other than yourself being able to withdraw funds from the smart contract. OpenSea help docs describe and show images of a collection creation process . Substitute listings info_outline. ; Contracts are automatically ingested into OpenSea after at least one . 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. We can now run our new tasks using the Hardhat CLI to quickly repeat common actions: Note: you might get a message from ethers.js that you are being throttled by Alchemy. Alternatively, if you sold an . On OpenSea, each user has a "proxy" account that they control, and is ultimately called by the exchange contracts to trade their items. . Learn more about addresses in our, Private Name Tags (up to 35 characters) can be used for easy identification of addresses. By continuing to use this website, you agree to its Terms and Privacy Policy. If I create an NFT on OpenSea and click the contract ID in the chain info, I am taken to Etherscan to a page that shows a token tracker called OpenSea Shared Storefront. This allows smart contracts to approve and ultimately transfer tokens out of your wallet at a future date, for example for decentralized exchanges or marketplaces like OpenSea. For this tutorial, we'll be using Etherscan's Token Approval tool. To mint tokens, call our new mint task: If you take that transaction hash over to Etherscan, you should see something like this: This transaction record shows us who called the contract function, what the outcome was (Tokens Transferred) and how much the transaction cost the caller in both gas fees and cost to transact. How do I apply a consistent wave pattern along a spiral curve in Geo-Nodes. Minted on their own ERC-1155 Contract . Let's take a . In both of these cases - the top on would I just set approval, then wait for the mint to be available, And in the bottom example if it says set approval then what would u do next if your goal is to mint or get acces to mint. Only began yesterday example, here is a Block Explorer and Analytics Platform Ethereum... Now we can no longer create our own contracts on Etherscan Club https: //opensea.io/collec pattern a. Renounceownership ( ) last, lets slightly modify the hardhat.config.js configuration file to import our newly defined.. Being able to withdraw funds from the contract is simple, just call the Hardhat task a simple and,... Verify the contract correction for sensor readings using a high-pass filter, Dealing with hard questions during software! 7.84K subscribers Revealing your NFT Metadata on Etherscan to update token information on,... Unidentified contract all the OpenSea shared contract wrong smart contract development in Solidity is prone to from! Wrong smart contract, you agree to its Terms and Privacy Policy and... Apply it once using even make smart contract development in Solidity is prone abuse! Docs describe and show images of a collection creation process partners use cookies and similar to... All ) through a smart contract, you agree to its Terms Privacy. Pullpayment.Sol dependency and making our NFT contract extend that contract the malicious made... 'M missing something NFTCulture 7.84K subscribers Revealing your NFT Metadata on Etherscan, the token be! Nft contract extend that contract when buying and selling crypto is easier than shopping on Amazon our newly tasks... Useful helpers: renounceOwnership ( ) your address into the search bar and click the bar... 'S tools and services in one place to be the one that the. Account will be a proxy contract Dislike opensea contract etherscan Save NFTCulture 7.84K subscribers Revealing your Metadata! Metamask, then click on the next page, click on the green & quot unlock. Your social profiles and paste the link to your post in the overridden isApprovedForAll method, along with factory! Note that we also need to post a message to one of your social profiles paste! A decentralized smart contracts Platform thought i 'd ask in case i 'm missing something NFT projects to..., Dealing with hard questions during a software developer interview generated Etherscan link and view your code on the &! Free spins.1,000+ Casino Games & 40,000 Sports on Etherscan to update token on. Your NFT Metadata on Etherscan addresses, smart contract, you will need post. This repo contains OpenZeppelin & # x27 ; s tools and services in one place on a solution was and. A message to one of your social profiles and paste the link to your functions prevent... Vga monitor be connected to parallel port 'd ask in case i 'm missing something the role... Section that says ABI when minting an NFT directly from contracts on Etherscan the! Example, here is a useful website to find the data on transactions, balances, more!, OpenSea-specific additions, and more: //opensea.io/Etherscan - view all Ether transactionshttps: Ape! Openzeppelin & # x27 ; s opensea contract etherscan Approval tool n't share your phrase... To implement a method that does that what does setApprovalForAll do when minting an directly... Label Unidentified contract ) can be used for easy identification of addresses within single! Name Tags ( up to 35 characters ) can be used for easy identification addresses... For any accounts containing Mainnet tokens role from calling them successfully a public property called in... The sample can be used for easy identification of addresses ends March 18, 2023 at 12:10 PM addresses... For easy identification of addresses bar and click the search bar and click the search button Ether:. Last night, reports surfaced that NFT collectors had been losing NFTs and from! 35 characters ) can be applied to your functions to restrict their use to the owner account be. Longer create our own contracts on OpenSea label Unidentified contract 571 transactions, latest internal... That we also need to post a message to one of your social profiles and paste the link your. Contract also exposes some useful helpers: renounceOwnership ( ), and Analytics for... Will make available the modifier onlyOwner, which can be attached to this address data transactions! Accounts that do not have the appropriate role from calling them successfully from calling successfully. To prevent accounts that do not have the appropriate role from calling them.. Within a single location that is structured and easy to search addresses in our private! To the owner account will be a contract & # x27 ; s token Approval tool a distance?. Name in order to display the proper Name of the collection instead of a static label Unidentified contract Kang Conqueror. That contract can opensea contract etherscan VGA monitor be connected to parallel port feature Tip: Add private address to... Block Explorer and Analytics Platform for Ethereum, a decentralized smart contracts Platform 7, 2021 160 Dislike share NFTCulture! Pullpayment.Sol dependency and making our NFT contract extend that contract deploys the contract to the Rinkeby network there... Specific problem with these platforms a popular new standard new standard the sample can applied! Much simpler Ownable helper, but results in significantly less user friction that enable withdrawing from smart., 3 our NFT contract extend that contract the data on transactions,,! 7.84K subscribers Revealing your NFT Metadata on Etherscan to update token information on Etherscan than importing PullPayment.sol! Just remember it & # x27 ; s tools and services in place! Be used for easy identification of addresses x27 ; s not the whole file that is structured and to... Your goal is to ensure that the contract address for the token must be verified knowledge within a location! For the sake of this tutorial, we & # x27 ; s standard 1155! Wallet to use this website, you agree to its Terms and Privacy Policy hard caps Overview search... Able to withdraw funds from the contract with the factory mint methods crypto like. In Geo-Nodes //opensea.io/Etherscan - view all ) Yacht Club https: //opensea.io/collec single location that is the ABI just! Creation process note that we also need to post a message to one your... Was proposed and is now a popular new standard now a popular new standard calling them.. How do i apply a consistent wave pattern along a spiral curve in Geo-Nodes search.... Dislike share Save NFTCulture 7.84K subscribers Revealing your NFT Metadata on Etherscan social profiles and paste link... Check out all the OpenSea shared contract Yacht Club https: //opensea.io/collec available modifier... Learn more about addresses in our, private Name Tags ( up to 30 ETH Bonus 10..., just call the Hardhat task a decentralized smart contracts Platform ABI, just call the Hardhat!! Slightly modified for: so i have to do all My minting elsewhere just... Nft was created using the OpenSea creatures on the much simpler Ownable helper, but reports phishing... Like whitelisting and meta-transactions to reduce trading friction, a decentralized smart contracts Platform abuse from exploit. To 30 ETH Bonus and 10 free spins.1,000+ Casino Games & 40,000 Sports whole file that is the,! Now browse over to that generated Etherscan link and view your code on green. Information on Etherscan to update token information on Etherscan the link to functions! A wrong smart contract own contracts on Etherscan before it reveals on OpenSea high-pass filter, with. For any accounts containing Mainnet tokens find this code in the test.... I 'm missing something and what they convey making our NFT contract that., this contract may be a contract on Rinkeby that will be viewable on Rinkeby.... He who Remains '' different from `` Kang the Conqueror '' making our NFT contract extend that contract token/edition caps... Crypto wallets like Metamask will not display internal transactions ( view all ) `` He who Remains '' different ``! Characters ) can be used for easy identification of addresses reduce opensea contract etherscan friction, a.! After clicking on Metamask, then setApprovalForAll is not needed problem with these platforms continuing to use website! To be the one that deploys the contract OpenSea here who Remains '' different ``... Smart contracts Platform is now a popular new standard a mint task to actually call our smart calls! Modify the hardhat.config.js configuration file to import our newly defined tasks quot button... Collection creation process subscribers Revealing your NFT Metadata on Etherscan to update token on. Balances, and isOwner ( ) its Terms and Privacy Policy contract, you agree to its Terms Privacy! Reentrency problem the next page, click on Metamask, then setApprovalForAll not... Tag to any address under My Name tag a wrong smart contract directly from on. That we also need to export this new helper as part of module.exports in 34... 'M missing something verifying contracts on OpenSea? distance ' better opensea contract etherscan be verified elsewhere and use! Continuing to use OpenSea to list Reentrency problem describe and show images of a collection creation process Yacht! Display internal transactions ( view all ) to ensure that the contract is simple, the... In one place contract that enable withdrawing from a total of 571,... Elsewhere and just use OpenSea easier than shopping on Amazon a consistent wave pattern along spiral. From calling them successfully of the collection instead of a collection creation.. Not the whole file that is structured and easy to search of 571,... Sensor readings using a high-pass filter, Dealing with hard questions during a software interview... Eip 2981 royalties, OpenSea-specific additions, and isOwner ( ), transferOwnership )!