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How to list for sale an NFT on a marketplace

Prerequisites​

Before getting started, make sure you have the following ready:

  1. Create a Ternoa account with Alphanet CAPS
  2. Install and set up your editor of choice (we will use Visual Studio Code [VSC] in this tutorial)
  3. Install NodeJS v.14+ & NPM
  4. Install & initialize Ternoa-JS

List for sale an NFT on a marketplace using Ternoa-JS​

This function lists for sale an existing NFT on an existing marketplace on the Ternoa chain. It returns an object promise containing the NFTListedEvent provided by the Ternoa blockchain.

info

Use your own account by updating the //TernoaTestAccount with your account seed when retrieving the keyring from the example below. Replace the NFT_ID with the existing NFT to list, and the MARKETPLACE_ID by the existing marketplace id you want the NFT to be listed on.

import {
    listNft,
    initializeApi,
    getKeyringFromSeed,
    WaitUntil,
} from "ternoa-js";

const listNftOnMp = async () => {
    try {
        await initializeApi();
        const keyring = await getKeyringFromSeed("//TernoaTestAccount");
        const NFT_ID = // update with the nft id you want to list for sale.
        const MARKETPLACE_ID = // update with the marketplace id you want the NFT to be listed on.
        const res = await listNft(
            NFT_ID,
            MARKETPLACE_ID,
            price,
            keyring,
            WaitUntil.BlockInclusion
        );
        console.log(`NFT id: ${res.nftId} listed on marketplace ${res.marketplaceId} for ${res.priceRounded}CAPS`);
    } catch (e) {
        console.error(e);
    }
};

The expected params​

`nftId`: NFT Id of the NFT to be listed for sale.
`marketplaceId`: Marketplace Id of the marketplace to list the NFT on.
`price`: Price of the NFT. It can be either a number or a Big Number.
`keyring`: The provided keyring (containing the address) will be used to sign the transaction and pay the execution fee.
`waitUntil`: WaitUntil define at which point we want to get the results of the transaction execution: BlockInclusion or BlockFinalization.

Response​

The response provided from the blockchain event includes all the informations below according to the params provided when listing for sale the NFT.

`nftId`: NFT id listed for sale.
`marketplaceId`: Marketplace id where the NFT have been listed for sale.
`price`: The sale price of the NFT as a string corresponding to the value in big number.
`priceRounded`: The sale price of the NFT as number.
`commissionFeeType?`: If included on the marketpace, the commission fee on the NFT sale. If set, it can be either a fixed amount or a percentage.
`commissionFee?`: If included on the marketpace, the commission fee value as a string corresponding to the value in big number.
`commissionFeeRounded?`: If included on the marketpace, the commission fee value as number.

Unlist an NFT on a marketplace using Ternoa-JS​

This function unlist an NFT from a marketplace on the Ternoa chain. It returns an object promise containing the NFTUnlistedEvent provided by the Ternoa blockchain.

info

Use your own account by updating the //TernoaTestAccount with your account seed when retrieving the keyring from the example below. Replace the NFT_ID with the listed NFT to unlist.

import {
    unlistNft,
    initializeApi,
    getKeyringFromSeed,
    WaitUntil,
} from "ternoa-js";

const unlistNft = async () => {
    try {
        await initializeApi();
        const keyring = await getKeyringFromSeed("//TernoaTestAccount");
        const NFT_ID = // update with the nft id you want to unlist from sale.
        const res = await unlistNft(
            NFT_ID,
            keyring,
            WaitUntil.BlockInclusion
        );
        console.log(`NFT id: ${res.nftId} unlisted.`);
    } catch (e) {
        console.error(e);
    }
};

The expected params​

`nftId`: NFT Id of the NFT to unlist from sale.
`keyring`: The provided keyring (containing the address) will be used to sign the transaction and pay the execution fee.
`waitUntil`: WaitUntil define at which point we want to get the results of the transaction execution: BlockInclusion or BlockFinalization.

Response​

The response provided from the blockchain event includes all the informations below according to the params provided when unlisting the NFT.

`nftId`: NFT id unlisted from sale.

Support​

If you face any trouble, feel free to reach out to our community engineers in our Discord.