Publish new version

// Ethereum account of the subgraph owner
const ethereumAccount = 0xbeb123....

// Network subgraph number - you get it from the id
// if subgraphId is this: 0x87d11bd744b882b7bc5a6b5450cba8c35d90eb10-1
// the networkSubgraphNumber will be the number after the dash, so here number 1
const networkSubgraphNumber = subgraph.id.split('-')[1],

// you need to upload the version metadata object to IPFS
const versionData = {
  label: "v0.0.1",
  description: "can be empty"
}

// IPFS Qm hash of the file with version metadata
const versionHash = uploadToIpfs(versionData)

// call GNS contract to publish a new version
contractGNS.publishNewVersion(
  ethereumAccount,
  networkSubgraphNumber,
  ipfsHexHash(version.deploymentId),
  ipfsHexHash(versionHash)
)
  
// ipfsHexHash is a helper that converts IPFS Qm.. hash into 0x123
export const ipfsHexHash = (ipfsHash: string) => {
  const base58 = base('123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz')
  return '0x' + base58.decode(ipfsHash).slice(2).toString('hex')
}