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4 votes

How do I query wallets for NFT's

NFTs are tokens. When you query token balances from these API's, you are getting a mixture of Fungible and non-Fungible tokens back. Users can have more than 1 of the same NFT, so they also have a ...
Simon McLoughlin's user avatar
  • 1,047
3 votes

How can I get all the transaction from a nft collection?

You can use the TzKT api for this, check it out at https://api.tzkt.io/ As a rough sample you could use something like this: https://api.tzkt.io/v1/accounts/KT1CzVSa18hndYupV9NcXy3Qj7p8YFDZKVQv/...
Simon McLoughlin's user avatar
  • 1,047
3 votes
Accepted

NFTs not being immediately recognized on Testnet

It mostly depends on the IPFS network propagation, which service do you use for pinning, what is the time lag between uploading the metadata and injecting the mint transaction, and if you warm up ...
Michael Zaikin's user avatar
2 votes
Accepted

How to get the owner of an FA2 token on chain

The specification does not enforce an implementation for this. You can only verify if a given address owns the token by calling balance_of callback view. In the case of an NFT, balance 1 would mean ...
Rodrigo Quelhas's user avatar
2 votes
Accepted

I can't import my nft into my temple wallet

The entrypoint balance_of does not respect the specification. Your contract has: (Does not match the specification) (pair %balance_of (contract %callback (list (pair ...
Rodrigo Quelhas's user avatar
2 votes

Invalid Metadata on Smart Contract

Can you share your code? What I can say at the moment: Your metadata bigmap contains the value "https://example.com" which is invalid. Perhaps you forgot to change that or you are ...
Jordan_tez's user avatar
  • 1,065
2 votes
Accepted

What's the meaning of the error proto.014-PtKathma.tez.subtraction_underflow?

At some moment during the application of the operation, an operation A - B on two mutez amounts is performed, but the result is negative. The function that did the subtraction then threw that error. ...
iguerNL's user avatar
  • 1,151
2 votes
Accepted

Is operator support required for standard NFTs?

Setting an Operator allows another wallet / contract address to transfer or make use of the asset that was given to it. This is how all dApps work. If you want to sell something on objkt.com, you have ...
Simon McLoughlin's user avatar
  • 1,047
2 votes

How can I get all the transaction from a nft collection?

I'd recommend you TzKT API: api.tzkt.io, because it's more flexible and has richer functionality. I don't know, how exactly you are going to "study the proportion of fake trades", but in ...
Groxan's user avatar
  • 2,711
2 votes
Accepted

Need a working example to query NFTs and display them (is it even possible?)

Here is a very simple example of fetching and displaying account's NFTs with Vue.js. It's not production-ready, but just for demonstration purposes. https://jsbin.com/faqupezoga/1/edit?html,output. ...
Groxan's user avatar
  • 2,711
2 votes

Creation of a FA2 Token (Fungible) and not an NFT

FA2.0 standard doesn't describe how to distinguish NFT from non-NFT, so there is actually no way to precisely tell what your token is. TzKT uses heuristics to classify tokens. In particular, it ...
Groxan's user avatar
  • 2,711
1 vote
Accepted

Approaches to burning NFT

tz1burnburnburnburnburnburnburjAYjjX is one of the burn addresses used in Tezos, like tz1Ke2h7sDdakHJQh8WX4Z372du1KChsksyU(=0x0000000000000000000000000000000000000000) used in SIRIUS. There is no way ...
Thomas's user avatar
  • 380
1 vote

Unable to import NFT in the Temple wallet as collectible

Same problem here with my first contract. Did you found and fix the problem ? I think my metadata files are correct but cannot see any NFTs in the collectibles tab. Here is the contract https://better-...
Clément's user avatar
1 vote
Accepted

How to mint one token that allows multiple holders?

You already asked nearly the same question here: Minting several Nfts in one operation You are misunderstanding on what you call a NFT. The contract you gave as an example is not technically a NFT ...
Jordan_tez's user avatar
  • 1,065
1 vote

How to mint one token that allows multiple holders?

NFT contracts are single owner. One solution to have multi-owners NFT can be to have its owner an originated address (KT1) which is a multisig.
Thomas's user avatar
  • 380
1 vote
Accepted

Minting several Nfts in one operation

Use the fa2 library instead of fa2_nft_minimal.py which is more an example than production ready. Option A: each minted NFT has different metadata Solution: use the MintNft mixin that accepts batchs. ...
Jordan_tez's user avatar
  • 1,065
1 vote
Accepted

How to mint an NFT collection (single operation) using taquitos?

Minting operation is not part of FA2 standard. Answer is to have a contract that allow you to mint several NFT in only one operation. Note that it wouldn't reduce the gas, but you can pay baker fees ...
Thomas's user avatar
  • 380
1 vote
Accepted

Clarifications on FA2 operator

Is it possible to have more than 1 operator per tokenID? Operators are stored in a big-map, there can be as many entries in it as there needs to be. For example here is the contents of the operators ...
Simon McLoughlin's user avatar
  • 1,047
1 vote

Invalid Metadata on Smart Contract

The metadata is invalid because it points to https://example.com, which has no content. You need to provide a link that points to valid json or store the encoded metadata in the storage. Contract ...
Rodrigo Quelhas's user avatar
1 vote

FA2 view not working correctly

I would guess Temple doesn't recognize the metadata as they don't seem valid. You can get more information about formatting the token metadata here => https://gitlab.com/tezos/tzip/-/blob/master/...
Claude Barde's user avatar
1 vote
Accepted

How to get all NFT(Non Fungible Token) which created on the specific smart contract of the Tezos blockchain?(getNftForContract)

take a look at https://github.com/teia-community/teia-docs/wiki/Tools-made-by-the-community#open-indexers You can also try https://api.tzkt.io/#tag/Tokens
catsoup's user avatar
  • 106
1 vote
Accepted

Technical questions about NFTs

Can we have a token without a smart contract ? No. Tokens are not native constructs to the Tezos protocol. Only Tez is native. Anything else must be created using a smart contract. it still "...
utdrmac's user avatar
  • 3,422
1 vote

How to change the storage to transfer of an NFT?

One more thing, the storage update { s with price = _price; } is misplaced. You should take it out of the make_transfer lambda, which doesn't return a storage. I've reproduced your code and ...
Aharon Lando's user avatar
1 vote

How to change the storage to transfer of an NFT?

Change the commas in let { _price, amount, to_, token_id } = p in to semicolons. It is difficult to tell which line is line 421 that generates the error, but I think this is it.
Aharon Lando's user avatar
1 vote

Browser based wallet (NFT)

Why not Temple Wallet - https://templewallet.com/ I think it is a legit wallet.
Tomasz Waszczyk's user avatar
1 vote

Browser based wallet (NFT)

You don't need to pick a single wallet. You can use a a third party service called Beacon (https://www.walletbeacon.io/) to allow your users to choose which wallet they want to use, with your ...
Simon McLoughlin's user avatar
  • 1,047

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