IPFS helpers

ipfs.js

import base from 'base-x'
const ipfsClient = require('ipfs-http-client')


const ENDPOINT = new URL('api/v0', 'http://ipfs.network.thegraph.com/').href
const ipfs = new ipfsClient(ENDPOINT)

// convert ipfsHash to Hex string
export const ipfsHexHash = (ipfsHash: string) => {
  const base58 = base('123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz')
  return '0x' + base58.decode(ipfsHash).slice(2).toString('hex')
}

// upload files to IPFS
export const uploadToIpfs = async (data: any): Promise<string> => {
  let result
  try {
    result = await ipfs.add(data)
  } catch (e) {
    console.error(`Failed to upload to IPFS: ${e}`)
    return
  }

  return result.path
}