abc

.gitignore

node_modules

index.js

'use strict';

const async = require('async');
const jsigs = require('jsonld-signatures');

const doc = {
  "@context": "https://w3id.org/webledger/v1",
  "type": "ContinuityMergeEvent",
  "parentHash": [
    "ni:///sha-256;Xk0ruJlbQTpFOyzbsl_KL8vKQiahMj7t9h-v70BMwAQ"
  ]
};

const publicKey = {
  '@context': 'https://w3id.org/security/v2',
  "id": "https://bedrock.local:18443/consensus/continuity2017/voters/F4rr5sgJztzZdVNFiWWAJS3rsudfuZTC7qcL2wuJmoZd",
  "owner": "https://bedrock.local:18443/consensus/continuity2017/voters/F4rr5sgJztzZdVNFiWWAJS3rsudfuZTC7qcL2wuJmoZd",
  "publicKeyBase58": "F4rr5sgJztzZdVNFiWWAJS3rsudfuZTC7qcL2wuJmoZd",
  "privateKey": {
      "privateKeyBase58": "5spKh9FymFFasSnzAgR6sZvcTmE9qb6H8ewhaNa8bjMVypjfsFqeTRFoAGKvDyuYN664ydrKEsBLpNJmcsPwkxHR"
  },
  type: "CryptographicKey"
};

async.auto({
  sign: callback => jsigs.sign(doc, {
    algorithm: 'Ed25519Signature2018',
    privateKeyBase58: publicKey.privateKey.privateKeyBase58,
    creator: publicKey.id
  }, (err, result) => {
    console.log('SIGNED', result);
    callback(null, result);
  }),
  verify: ['sign', (results, callback) => jsigs.verify(results.sign, {
    getPublicKey: _getPublicKey,
    getPublicKeyOwner: _getPublicKeyOwner,
    // checkTimestamp: false
  }, (err, result) => {
    console.log('VERIFY', JSON.stringify(result, null, 2));
    callback();
  })],
});

function _getPublicKey(publicKeyId, options, callback) {
  callback(null, publicKey);
}

function _getPublicKeyOwner(owner, options, callback) {
  const keyOwner = {
    '@context': 'https://w3id.org/webledger/v1',
    type: 'Identity',
    id: owner,
    publicKey
  };
  return callback(null, keyOwner);
}

package.json

{
  "name": "a",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "async": "^2.6.0",
    "jsonld-signatures": "digitalbazaar/jsonld-signatures#master"
  }
}