Category "nft"

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 th

Find Floor Of Opensea NFT

Is there a way to get the floor price thats displayed on the main page of an NFT collection? Here you see the floor price is 5.75 but if I query the contract u

How to get the listed NFT of a collection on OPENSEA

Hey Im trying to get the listed nfts of a collection on opensea but its not working im using the API but for some reason all im getting a cloudflare block is th

This version of µWS is not compatible with your Node.js build: Error: node-loader. while running "truffle console"

I'm working on a Blockchain project where I use Truffle. when I run the Truffle Console command I face this issue. Complete Log: This version of µWS is no

Error: VM Exception while processing transaction: reverted with reason string 'ERC721: transfer caller is not owner nor approved'

i try to write NFT marketplace and i have problem with reselling items from user that buy item from owner and new, third user. I use next.js + openzeppelin + ha

Do I need to use approve method in ERC721?

I am practicing the smart contract and NFT looks interested to me. ERC721 written in Vyper What is the mechanic of approve in it? What is isApprovedForAll does?

Is it possible to set the banner image on OpenSea through contract metadata?

I know it is possible to set the smaller collection image using the contract metadata, but is there a way to set the larger banner image? https://docs.opensea.i

How can I implement a lazy-minting smart contract that doesn't actually mint NFTs?

This is my first experience writing a smart contract, so I am still trying to navigate how this all works. I have a smart contract on the Rinkeby test network t

ERC1155 Sell/Buy NFT Solidity

My contract for ERC1155 marketplace to mint buy and sell the NFT. The nft is getting minted , However the NFT is not showing in market place and not able to pur

NFT List Prices

OpenSea allows users to buy and sell NFTs. From OpenSea, you can view the prices of listed NFTs within a project. When an NFT is listed, is the listed price sto

unable to upload nfts using metaplex

while am uploading Nft asset to Solana network and have this error : Beginning the upload for 22 (img+json) pairs started at: 1646166389888 initializing candy

How to connect solana wallet in android?

I want to make nft marketplace with solana in android. There are many examples connecting solana wallet(ex. solflare, phantom ...) in web client. But i don't kn

trying to run an generate art configuration in metaplex and it keeps returning this. I have tried changing up just about everything

desktop % ts-node ./metaplex/js/packages/cli/src/candy-machine-v2-cli.ts generate_art_configuration traits /usr/local/lib/node_modules/ts-node/src/index.ts:820

Phantom wallet: Solana transactions debug

I need to know which instuctions list is used for a transaction in order to use it in my application. For example: There is an unknown NFT marketplace, I can bu

Phantom wallet: Solana transactions debug

I need to know which instuctions list is used for a transaction in order to use it in my application. For example: There is an unknown NFT marketplace, I can bu

Metaplex sign command metadata parameter

After creating an NFT via candy machine v2 I'm trying to execute a sign command (link to the docs) This is the command from the documentation: ts-node ~/metaple

Why do sender and minter should be same on minting NFT?

I am developing NFT marketplace with terra and I use CW721. And I noticed on mint function if the sender and minter is not equal it returns "Unauthorized" error

How to transfer a NFT from one account to another using ERC721?

I'm writing an NFT smart contract using the OpenZeppelin ERC721Full contract. I'm able to mint NFTs, but I want to have a button that enables them to be bought.

Why do openSea fetching data from IPFS all of a sudden?

This the validation json I got for my nft toke 34 HTTP 200 OK Allow: GET, OPTIONS Content-Type: application/json Vary: Accept { "valid": true, "token_u

create two nft collections from one smart contract (erc1155) 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 contr