Questions tagged [opensea]

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How to identify an opensea "collection" minted using the opensea contract?

This is the contract https://polygonscan.com/address/0x2953399124f0cbb46d2cbacd8a89cf0599974963 If you look at the interface https://polygonscan.com/address/0x2953399124f0cbb46d2cbacd8a89cf0599974963#...
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Is there any NFT Price API available to fetch Price of a NFT from Opensea?

I want to retrieve NFT price from OpenSea and LooksRare using contract address and token ID. Is there any such API or SDK available for this purpose ? I am not looking for opinion just a simple API ...
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how to sell for free on opensea without gas fees

I have used the "code STACK r" create-10k-nft-collection you tube instruction to create 10000 images and mint 80 to open-sea. however when i try to sell then. it is asking for gas fees. ...
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Set a minimum price an NFT can be listed on exchanges for

Is it possible to have a minimum price for a ERC721 contract that would prevent the token being traded on exchanges if listed below that set price. (Not the mint price of the token itself) Say an item ...
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Can the supply number of a decentralised immutable ERC-115 token still be modified?

I have minted four 1/1 ERC-115 NFTs on OpenSea, and want to freeze them, sending their metadata to IPFS, in order to 'decentralise' their metadata. I would have preferred to mint these 1/1 NFTs as ERC-...
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It is possible to see NFT attributes (IPFS metadata) on Metamask?

I have developed an ERC-721 Smart Contract, to mint NFTs following the OpenZeppelin guide and ERC721URIStorage.sol extension. In the tokenURI property I'm adding a JSON file stored in IPFS, following ...
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Opensea listing signature arguments issue

We are developing an product where user could list their NFTs on bulk. We want to call Opensea's contract Wyvern Exchange Contract to sign transaction. However there are lots of arguments which we ...
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Opensea error: 'AccountData' object has no attribute '_meta' [closed]

I am trying to put on sale an NFT in Opensea (mainnet or testnet) and it launching next error. Any idea what i am doing bad? Thanks. error Relay request for `OrderCreateActionModalQuery` failed by the ...
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Images on OpenSea not updating correctly after metadata refresh

I've deployed a contract that lets users mint NFTs, which will be revealed the artwork at a later time. This was due to the fact that people could guess rarity from ipfs. The contract was deployed on ...
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Use WETH for NFT MArketplace

I am working on WETH pragma solidity ^0.8.5; import "./Token.sol"; contract WETH { function transferFrom(address recipient, uint256 amount) external { Token token = Token(...
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In Solidity, what are the differences in purpose between overriding isApprovedForAll() and enabling meta-transactions?

When setting up an OpenSea-compatible contract in Solidity for the Polygon network, what are the differences in purpose between overriding isApprovedForAll() and enabling meta-transactions? From ...
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What is the correct way to implement meta-transactions for OpenSea using Polygon?

OpenSea documentation provides differing information on how to implement meta-transactions: The code snippet OpenSea has under "Meta-transactions" shows the contract inheriting ERC721, ...
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Decoding tokens transferred from input

I've been trying to understand how to read tokens transferred in a transaction but I can't. What I'm trying to do is getting the amount of ethers transferred during a sale transaction of OpenSea. Let'...
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openseaJs SDK error TypeError: Cannot read properties of undefined (reading 'target')

I am receiving this error from openseaJs while calling fullfillorder TypeError: Cannot read properties of undefined (reading 'target') at computeOrderParams (/…/node_modules/opensea-js/src/seaport.ts:...
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Linking OpenSea live-price from an auction to personal website

I want to auction on OpenSea. I am building a custom website to promote my NFT. On it, I have currently a listing price, but I would like to link a live-price via OS API. Is there a tutorial / simple ...
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How to text search / filter in web3?

I have created a list of ERC721 NFTs in different contracts using thirdwebsdk, I need a way to text search, for example, nfts with the name as "cat" and get the list of all nfts which has &...
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Get an NFT's last sale price

How can I fetch the last sale price for an NFT? Basically need to do this for all the NFTs in a collection. Finding out the real cost price of all owners in the collection at this moment. What's the ...
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Progressive Property Reveals - are they possible?

I'm currently building an NFT collection and I'm just planning out the release/minting process. I'm looking to basically create an NFT with all but one property revealed, i.e. using all the character ...
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create two nft collections from one smart contract in OpenSea

I want to list two collections on Opensea but instead of creating two smart contracts for that, I want to create only one (to save gas fees of uploading a contract). the only two ways I found to ...
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gnosis-safe I want to create a sell order on opensea using gnosis safe multisignature

How can i create buy/sell orders on opensea using gnosis safe ? Is there any way I can have provider on gnosis safe wallet !
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Making offer on opensea

Trying to write a script to make offers on opensea but get error: Error: Expected amount to be of type BigNumber, encountered: 1 import Web3 from 'web3' import { OpenSeaPort, Network } from 'opensea-...
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Does OpenSea support ERC-1155 (Fungible Token)?

OpenSea says it is a marketplace for NFTs, and it also mentions ERC-1155, as we know, ERC-1155 supports NFT and FT(Fungible Token), so, does OpenSea support ERC-1155 FT(Fungible Token)?
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Is it a problem If I keep my nft meta data ipfs link public?

So I have deployed a nft smart contract. And I kept my ipfs metadata address public. Is it a major issue? Should I verify my samart contract?
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Can't see the image or description on test opensea?

I deployed my nft contract on rinkeby testnet and tested it. It was working flawlessly until today. The nft that I minted today is visible on my profile but the image is not visible. The name and ...
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Suggestion to automate the process of selling a collection at Opensea

I mint a collection of nft at opensea for myself (5000 nft). now i want to sell the minted collection form Opensea - and for each nft i have to click "sell" and enter the price and period. ...
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Which function calls `AtomicMatch` is called by in opensea source code

I am trying to figure out how to call the function AtomicMatch in opensea. Currently I found it is related to function executeCall (https://github.com/wyvernprotocol/wyvern-v3/blob/master/contracts/...
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how can I put a URL in the image section of the metadata?

I have this sandbox character(https://www.sandbox.game/model-viewer-light/?assetId=9894bf84-cc8e-455b-a4aa-e3a3f2955045), and I want to create an nft meatdata and use this link for the image part ...
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ERC721 Royalties - how to determine what token sale the royalty payment came from

Whenever a royalty amount is paid out for the sale of an NFT is it possible to determine which token was sold to cause the royalty payment? I have a smart contract as the recipient address of ...
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How to change the smart contract of a collection in Opensea

Although I have contacted the Opensea help center their response time is usually very long. I have therefore decided to debut on their forum with this question. I have a contract deployed and ...
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Opensea source code

for (i = 0; i < words; i++) { /* Conceptually: array[i] = (!mask[i] && array[i]) || (mask[i] && desired[i]), bitwise in word chunks. */ assembly { let commonIndex := ...
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Splitting royalties from NFT sales to NFT holders using opensea

I have a smart contract for NFT airdrop and whitelisting written in erc 1155 I've been researching for about a week and couldn't find an answer since OpenSea does not enforce EIP 2981 yet I have ...
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Opensea API Trait Query

I am planning on designing an interface that can query the floor price of a particular trait of an NFT token on the Opeansea Ethereum network. Is it possible to integrate this interaction with the ...
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How does opensea scans and lists NFTs?

I would like to understand the process of "How opensea list minted NFT?"
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What's the most efficient way to generate metadata for lots of non-generative NFTs?

I know that there are tutorials to generate metadata as part of generative art (i.e. layered art for example using the Hashlips Engine), but what about for art that isn't generated by layering traits ...
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Why isn't the following ERC721 contract detected on OpenSea?

After implementing the following simple ERC721 contact, then deploying to Rinkby: // SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import "@openzeppelin/contracts/token/ERC721/ERC721.sol&...
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Why get OpenSea 1020 error?

I am using cURL to access the OpenSea API. But all my requests are getting blocked with error message 1020. How to fix this?
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Solidity get event when NFT is sold on Opensea and distribute across token holders

I'm very new to solidity, blockchain and smart contracts and the whole crypto ecosystem and I can't get my head around how to approach this problem. I'm planning to publish a NFT collection on Opensea ...
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OpenSea - change your 'Content-Type' header from 'text/html' to 'application/json'"

I have deployed my test contract on the rinkeby network: However I get: My contract looks like the following. I am using openzeppelins standard contracts for Ownable etc. I deployed a single file via ...
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Opensea testnet not showing metadata [closed]

Whenever I try to mint something on testnet(rinkeby) Opensea does not show my metadata. I use their API and I get validated https://testnets-api.opensea.io/api/v1/asset/...
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How to make minted NFT NOT show up on any marketplace?

I'm curious if its possible to mint an NFT and make it NOT automatically show up on OpeanSea/Rarible/etc. Tried googling a lot, but to no avail
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nft images not showing on opensea

I created 13 images and corresponding JSON files uploaded the images to pinata then changed the file_url in the JSON file to cid of the image "ipfs://cid/image.png" uploaded the json file as ...
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How to set price for all NFTs in a collection on opensea?

If I mint a collection of n items on my own address (via smart contract) , it'll be publicly visible on my account under the collected / created section like this . The problem is that , in order to ...
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How opensea auction smart contract work without storing the ether

Trying to understand how opensea "Make the bid" work. Whenever any interested buyer wants to buy an NFT, they have to create an offer,in which they basically sign a message(commitment)(which ...
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Opensea isApprovedForAll / ProxyRegistry for Ethereum (Rinkeby) and Polygon (Mumbai)

Can somebody explain why there are different implementations suggested by OpenSea for the isApprovedForAll for Ethereum (Rinkeby) and Polygon (Mumbai). The Ethereum (Rinkeby) version from ...
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How to find all transactions regarding a NFT token?

I'm trying to link Opensea with Etherscan and find all transaction details for a token. However, I found that some sales/transactions listed on Opensea were not reflected on Etherscan. Can anybody ...
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Mint nft on Testnet

If we can use testnets while verifying your wallet address with smart contract, e.g. Rinkeby Robsten vs. can we use testnet to confirmed opensea account?
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What's the best way to create an API that returns NFTs data

I'm curious web3 developer. I've been researching several NFTs marketplace and I'm wondering how are they returning all the NFTs based on Contract Address. For example, LOOKSRARE has an API that ...
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Mint nft on Rinkeby testnet, and can't see it on testnet opensea

Yesterday I deployed this contract: 0x561110d50B4625DE6d5Fa14E0c35608555E934cc on rinkeby testnet I mint 4 nft on this account: 0x749C89F7F6054C8CD4a982c93E3E05e996BD5C19 And everything was ok because ...
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ERC721 NFT to Allow Transfer Only in Opensea And Stop All Private Transfer

as I am distributing all the royalties from opensea to my NFT holders, I want my NFT holders to only make transfer in Opensea. How do I limit or only allow the transaction to Opensea? function ...
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OpenSea - get sale price within safeTransferFrom function of NFT contract

Imagine that NFT get's sold on OpenSea. Opensea contract within single transaction calls transfer of funds from buyer to seller and calls safeTransferFrom function in contract of NFT-collection (used ...
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