XYOracleNetwork/sdk-archivist-nodejs

import {
  XyoBoundWitness,
  XyoHumanHeuristicResolver,
  XyoSha256,
  XyoStructure,
} from '@xyo-network/sdk-core-nodejs'
import bs58 from 'bs58'

const hasher = new XyoSha256()

export function bufferToGraphQlBlock(buffer: Buffer): any {
  const boundWitness = new XyoBoundWitness(buffer)
  return {
    bytes: buffer.toString('base64'),

    heuristics: boundWitness
      .getHeuristics()
      .map((heuristics: XyoStructure[]) => {
        return {
          array: heuristics.map((heuristic: XyoStructure) => {
            return {
              value: heuristic.getAll().getContentsCopy().toString('base64'),
            }
          }),
        }
      }),
    // todo get human readable
    humanReadable: XyoHumanHeuristicResolver.resolve(buffer).value,
    publicKeys: boundWitness.getPublicKeys().map((keyset: XyoStructure[]) => {
      return {
        array: keyset.map((key: XyoStructure) => {
          return {
            value: bs58.encode(key.getAll().getContentsCopy()),
          }
        }),
      }
    }),
    signatures: boundWitness.getSignatures().map((sigset: XyoStructure[]) => {
      return {
        array: sigset.map((sig: XyoStructure) => {
          return {
            value: sig.getAll().getContentsCopy().toString('base64'),
          }
        }),
      }
    }),
    signedHash: bs58.encode(
      hasher.hash(boundWitness.getSigningData()).getAll().getContentsCopy()
    ),
  }
}