Function difference

src/nit.ts:387–414

(assetCid: string, blockchainInfo, fromIndex: number = null, toIndex: number = null)

}

export async function difference(assetCid: string, blockchainInfo, fromIndex: number = null, toIndex: number = null) {
  const commitBlockNumbers = await getCommitBlockNumbers(assetCid, blockchainInfo);
  const commitAmount = commitBlockNumbers.length;

  // show the Commit diff between (latest - 1, latest)
  if (fromIndex == null) {
    toIndex = commitAmount;
    fromIndex = toIndex - 2;
  }

  const commitEvents = await iterateCommitEvents(assetCid, blockchainInfo, fromIndex, fromIndex < toIndex ? toIndex : fromIndex + 1);
  const commits = await getCommits(commitEvents);
  const fromCommit = commits[0];
  const toCommit = commits[commits.length - 1];
  const fromAssetTree = JSON.parse((await ipfs.ipfsCat(fromCommit.commit.assetTreeCid)).toString());
  const toAssetTree = JSON.parse((await ipfs.ipfsCat(toCommit.commit.assetTreeCid)).toString());
  const commitDiff = {
    "fromIndex": fromIndex,
    "fromBlockNumber": fromCommit.blockNumber,
    "fromTransactionHash": fromCommit.transactionHash,
    "toIndex": toIndex,
    "toBlockNumber": toCommit.blockNumber,
    "toTransactionHash": toCommit.transactionHash,
    "commitDiff": diff.diffJson(fromCommit.commit, toCommit.commit),
    "assetTreeDiff": diff.diffJson(fromAssetTree, toAssetTree),
  }
  return commitDiff;
}

export async function getLatestCommitSummary(assetCid, blockchainInfo) {
  const commitBlockNumbers = await getCommitBlockNumbers(assetCid, blockchainInfo);