Utilities – Nextra

Utility Functions

Merkle Tree

buildWhitelistMerkleTree : Generate an merkle tree with input Whitelist (both FCFS or FixedUri campaign)

import { utils } from "@darenft-labs/nft2-client";
 
const data = utils.buildWhitelistMerkleTree([
  {
    address: "0x...",       // user wallet in whitelist
    tokenIdOrAmount: 5,     // FCFS: maximum NFT amount of user, FixedUri: NFT token ID
    tokenUri: 'ipfs://XXX', // tokenUri, only for FixedUri
  },
  ...
]);
 
console.log('data: ', data);

createWhitelistLeaf : Generate an leaf of merkle tree with input Whitelist (both FCFS or FixedUri campaign)

import { utils } from "@darenft-labs/nft2-client";
 
const data = utils.createWhitelistLeaf(
  "0x...",      // user wallet address
  5,            // tokenIdOrAmount
  'ipfs://XXX', // tokenUri, only for FixedUri
);
 
console.log('data: ', data);

IPFS URL Converter

convertIPFSToUri : Convert url ipfs:// to ipfs public endpoint

import { utils } from "@darenft-labs/nft2-client";
 
const accessableUrl = utils.convertIPFSToUri("ipfs://XXX"); // XXX is CID on IPFS
 
console.log('url: ', accessableUrl);

convertUrlToIPFS : Convert url of an ipfs endpoint to ipfs:// format

import { utils } from "@darenft-labs/nft2-client";
 
const ipfsUrl = utils.convertUrlToIPFS("http://abc/ipfs/XXX"); // XXX is CID on IPFS
 
console.log('url: ', ipfsUrl);

Multichain Util

getNetworkKey : Get network type (mainnet | testnet) of chain id

import { utils } from "@darenft-labs/nft2-client";
 
const netWorkType = utils.getNetworkKey(43113);
 
console.log('url: ', netWorkType);

Generate Presigned Url To Upload Image