diff --git a/.circleci/config.yml b/.circleci/config.yml
index bd733271..5b68e50f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -41,7 +41,7 @@ jobs:
     # This is based on your 1.0 configuration file or project settings
     - run:
         working_directory: ~/orbitdb/ipfs-log
-        command: nvm install 8.2.0 && nvm alias default 8.2.0
+        command: nvm install 10.14.0 && nvm alias default 10.14.0
     # Dependencies
     #   This would typically go in either a build or a build-and-test job when using workflows
     # Restore the dependency cache
diff --git a/circle.yml b/circle.yml
index 39a11139..59c85cd7 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,3 +1,3 @@
 machine:
   node:
-    version: 8.2.0
+    version: 10.14.0
diff --git a/dist/ipfslog.min.js b/dist/ipfslog.min.js
index 48e0d92d..c895e2ce 100644
--- a/dist/ipfslog.min.js
+++ b/dist/ipfslog.min.js
@@ -1,8 +1,8 @@
-var Log=function(t){var r={};function e(n){if(r[n])return r[n].exports;var i=r[n]={i:n,l:!1,exports:{}};return t[n].call(i.exports,i,i.exports,e),i.l=!0,i.exports}return e.m=t,e.c=r,e.d=function(t,r,n){e.o(t,r)||Object.defineProperty(t,r,{configurable:!1,enumerable:!0,get:n})},e.n=function(t){var r=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(r,"a",r),r},e.o=function(t,r){return Object.prototype.hasOwnProperty.call(t,r)},e.p="",e(e.s=7)}([function(t,r,e){"use strict";class n{constructor(t,r){this.id=t,this.time=r||0}tick(){return new n(this.id,++this.time)}merge(t){return this.time=Math.max(this.time,t.time),new n(this.id,this.time)}clone(){return new n(this.id,this.time)}static compare(t,r){var e=t.time-r.time;return 0===e&&t.id!==r.id?t.id<r.id?-1:1:e}}t.exports=n},function(t,r,e){"use strict";(function(r){const n=e(0),{isDefined:i}=e(2),o=()=>new Error("Ipfs instance not defined");class s{static async create(t,r,e,a,h=[],u){if(!i(t))throw o();if(!i(r))throw new Error("Identity is required, cannot create entry");if(!i(e))throw new Error("Entry requires an id");if(!i(a))throw new Error("Entry requires data");if(!i(h)||!Array.isArray(h))throw new Error("'next' argument is not an array");const c={hash:null,id:e,payload:a,next:h.filter(i).map(t=>t.hash?t.hash:t),v:0,clock:u||new n(r.publicKey)},f=await r.provider.sign(r,s.toBuffer(c));return c.key=r.publicKey,c.identity=r.toJSON(),c.sig=f,c.hash=await s.toMultihash(t,c),c}static async verify(t,r){if(!t)throw new Error("Identity-provider is required, cannot verify entry");if(!s.isEntry(r))throw new Error("Invalid Log entry");if(!r.key)throw new Error("Entry doesn't have a key");if(!r.sig)throw new Error("Entry doesn't have a signature");const e=Object.assign({},{hash:null,id:r.id,payload:r.payload,next:r.next,v:r.v,clock:new n(r.clock.id,r.clock.time)});return t.verify(r.sig,r.key,s.toBuffer(e))}static toBuffer(t){return r.from(JSON.stringify(t))}static async toMultihash(t,r){if(!t)throw o();if(!(t=>t.id&&t.clock&&t.next&&t.payload&&t.v>=0)(r))throw new Error("Invalid object format, cannot generate entry multihash");const e={hash:null,id:r.id,payload:r.payload,next:r.next,v:r.v,clock:r.clock};r.key&&Object.assign(e,{key:r.key}),r.identity&&Object.assign(e,{identity:r.identity}),r.sig&&Object.assign(e,{sig:r.sig});const n=s.toBuffer(e);return(await t.object.put(n)).toJSON().multihash}static async fromMultihash(t,r){if(!t)throw o();if(!r)throw new Error(`Invalid hash: ${r}`);const e=await t.object.get(r,{enc:"base58"}),i=JSON.parse(e.toJSON().data);let s={hash:r,id:i.id,payload:i.payload,next:i.next,v:i.v,clock:new n(i.clock.id,i.clock.time)};return i.key&&Object.assign(s,{key:i.key}),i.identity&&Object.assign(s,{identity:i.identity}),i.sig&&Object.assign(s,{sig:i.sig}),s}static isEntry(t){return t&&void 0!==t.id&&void 0!==t.next&&void 0!==t.hash&&void 0!==t.payload&&void 0!==t.v&&void 0!==t.clock}static compare(t,r){var e=n.compare(t.clock,r.clock);return 0===e?t.clock.id<r.clock.id?-1:1:e}static isEqual(t,r){return t.hash===r.hash}static isParent(t,r){return r.next.indexOf(t.hash)>-1}static findChildren(t,r){for(var e=[],n=r.find(r=>s.isParent(t,r)),i=t;n;)e.push(n),i=n,n=r.find(t=>s.isParent(i,t));return e=e.sort((t,r)=>t.clock.time>r.clock.time)}}t.exports=s}).call(r,e(3).Buffer)},function(t,r,e){"use strict";const n=e(13),i=e(14),o=e(15),s=e(16);t.exports={difference:n,findUniques:i,intersection:o,isDefined:s}},function(t,r,e){"use strict";(function(t){
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  * @license  MIT
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s.fromEntryHash(t,n,i,o,h,u);return new E(t,r,e,i,f.values)}static async fromJSON(t,r,e,n,i=-1,o,h){if(!c(t))throw a.IPFSNotDefinedError();const u=await s.fromJSON(t,n,i,o,h);return new E(t,r,e,u.id,u.values)}static async fromEntry(t,r,e,n,i=-1,o,h){if(!c(t))throw a.IPFSNotDefinedError();if(!c(n))throw new Error("'sourceEntries' must be defined");const u=await s.fromEntry(t,n,i,o,h);return new E(t,r,e,u.id,u.values)}static findHeads(t){var r=t.reduce((t,r,e,n)=>{return r.next.forEach(e=>t[e]=r.hash),t},{});return t.filter(t=>void 0===r[t.hash]).sort((t,r)=>t.clock.id>r.clock.id)}static findTails(t){var r={},e=[],n={},i=[];t.forEach(t=>{0===t.next.length&&e.push(t);t.next.forEach(e=>{r[e]||(r[e]=[]),r[e].push(t)}),i=i.concat(t.next),n[t.hash]=!0});const s=i.filter(t=>void 0===n[t]).map(t=>r[t]).reduce((t,r,e,n)=>t.concat(l(r,"hash")),[]).concat(e);return l(s,"hash").sort(o.compare)}static findTailHashes(t){var r={};return t.forEach(t=>r[t.hash]=!0),t.reduce((t,e,n,i)=>{return 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o(c.id)),p=l.slice().sort(n.compare),y=p.filter(t=>c.heads.includes(t.hash));return{id:c.id,values:p,heads:y,clock:d}}static async fromEntryHash(t,r,e,n=-1,o,h){if(!a(t))throw s.IpfsNotDefinedError();if(!a(r))throw new Error("'entryHash' must be defined");const u=Array.isArray(r)?r:[r];n=n>-1?Math.max(n,1):n;const c=o,l=await i.fetchParallel(t,u,n,c,null,null,h);return{values:n>-1?f(l,n):l}}static async fromJSON(t,r,e=-1,o,h){if(!a(t))throw s.IPFSNotDefinedError();const u=r.heads.map(t=>t.hash),f=(await i.fetchParallel(t,u,e,[],16,o,h)).slice().sort(n.compare);return{id:r.id,values:f,heads:r.heads}}static async fromEntry(t,r,e=-1,o,f){if(!a(t))throw s.IPFSNotDefinedError();if(!a(r))throw new Error("'sourceEntries' must be defined");if(!Array.isArray(r)&&!n.isEntry(r))throw new Error("'sourceEntries' argument must be an array of Entry instances or a single Entry");Array.isArray(r)||(r=[r]),e=e>-1?Math.max(e,r.length):e;const c=o?o.map(t=>t.hash?t.hash:t):o,l=r.map(t=>t.hash),d=await 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\ No newline at end of file
diff --git a/lib/es5/default-access-controller.js b/lib/es5/default-access-controller.js
index addb35a3..dc6f4676 100644
--- a/lib/es5/default-access-controller.js
+++ b/lib/es5/default-access-controller.js
@@ -1,40 +1,36 @@
 'use strict';
 
-var _regenerator = require('babel-runtime/regenerator');
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
-var _regenerator2 = _interopRequireDefault(_regenerator);
+var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
 
-var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');
+var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
 
-var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
 
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
-
-var _createClass2 = require('babel-runtime/helpers/createClass');
-
-var _createClass3 = _interopRequireDefault(_createClass2);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-var AccessController = function () {
+var AccessController =
+/*#__PURE__*/
+function () {
   function AccessController() {
-    (0, _classCallCheck3.default)(this, AccessController);
+    (0, _classCallCheck2.default)(this, AccessController);
   }
 
-  (0, _createClass3.default)(AccessController, [{
-    key: 'canAppend',
+  (0, _createClass2.default)(AccessController, [{
+    key: "canAppend",
     value: function () {
-      var _ref = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee(entry, identityProvider) {
-        return _regenerator2.default.wrap(function _callee$(_context) {
+      var _canAppend = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee(entry, identityProvider) {
+        return _regenerator.default.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                return _context.abrupt('return', true);
+                return _context.abrupt("return", true);
 
               case 1:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
@@ -42,7 +38,7 @@ var AccessController = function () {
       }));
 
       function canAppend(_x, _x2) {
-        return _ref.apply(this, arguments);
+        return _canAppend.apply(this, arguments);
       }
 
       return canAppend;
diff --git a/lib/es5/entry-io.js b/lib/es5/entry-io.js
index ce652a6d..11de43a3 100644
--- a/lib/es5/entry-io.js
+++ b/lib/es5/entry-io.js
@@ -1,51 +1,53 @@
 'use strict';
 
-var _promise = require('babel-runtime/core-js/promise');
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
-var _promise2 = _interopRequireDefault(_promise);
+var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
 
-var _regenerator = require('babel-runtime/regenerator');
+var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
 
-var _regenerator2 = _interopRequireDefault(_regenerator);
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');
-
-var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
-
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
-
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
-
-var _createClass2 = require('babel-runtime/helpers/createClass');
-
-var _createClass3 = _interopRequireDefault(_createClass2);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
 
 var pWhilst = require('p-whilst');
+
 var pMap = require('p-map');
+
 var Entry = require('./entry');
 
-var EntryIO = function () {
+var EntryIO =
+/*#__PURE__*/
+function () {
   function EntryIO() {
-    (0, _classCallCheck3.default)(this, EntryIO);
+    (0, _classCallCheck2.default)(this, EntryIO);
   }
 
-  (0, _createClass3.default)(EntryIO, null, [{
-    key: 'fetchParallel',
-
+  (0, _createClass2.default)(EntryIO, null, [{
+    key: "fetchParallel",
     // Fetch log graphs in parallel
     value: function () {
-      var _ref = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee(ipfs, hashes, length) {
-        var exclude = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : [];
-        var concurrency = arguments[4];
-        var timeout = arguments[5];
-        var onProgressCallback = arguments[6];
-        var fetchOne, concatArrays, flatten, entries;
-        return _regenerator2.default.wrap(function _callee$(_context) {
+      var _fetchParallel = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee(ipfs, hashes, length) {
+        var exclude,
+            concurrency,
+            timeout,
+            onProgressCallback,
+            fetchOne,
+            concatArrays,
+            flatten,
+            entries,
+            _args = arguments;
+        return _regenerator.default.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
+                exclude = _args.length > 3 && _args[3] !== undefined ? _args[3] : [];
+                concurrency = _args.length > 4 ? _args[4] : undefined;
+                timeout = _args.length > 5 ? _args[5] : undefined;
+                onProgressCallback = _args.length > 6 ? _args[6] : undefined;
+
                 fetchOne = function fetchOne(hash) {
                   return EntryIO.fetchAll(ipfs, hash, length, exclude, timeout, onProgressCallback);
                 };
@@ -59,28 +61,29 @@ var EntryIO = function () {
                 };
 
                 concurrency = Math.max(concurrency || hashes.length, 1);
-                _context.next = 6;
-                return pMap(hashes, fetchOne, { concurrency: concurrency });
+                _context.next = 10;
+                return pMap(hashes, fetchOne, {
+                  concurrency: concurrency
+                });
 
-              case 6:
+              case 10:
                 entries = _context.sent;
-                return _context.abrupt('return', flatten(entries));
+                return _context.abrupt("return", flatten(entries));
 
-              case 8:
-              case 'end':
+              case 12:
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function fetchParallel(_x2, _x3, _x4) {
-        return _ref.apply(this, arguments);
+      function fetchParallel(_x, _x2, _x3) {
+        return _fetchParallel.apply(this, arguments);
       }
 
       return fetchParallel;
     }()
-
     /**
      * Fetch log entries sequentially
      *
@@ -95,31 +98,36 @@ var EntryIO = function () {
      */
 
   }, {
-    key: 'fetchAll',
+    key: "fetchAll",
     value: function () {
-      var _ref2 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee3(ipfs, hashes, amount) {
-        var exclude = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : [];
-
-        var _this = this;
-
-        var timeout = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
-        var onProgressCallback = arguments[5];
-        var result, cache, loadingQueue, addToLoadingQueue, addToExcludeCache, shouldFetchMore, fetchEntry;
-        return _regenerator2.default.wrap(function _callee3$(_context3) {
+      var _fetchAll = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee3(ipfs, hashes, amount) {
+        var exclude,
+            timeout,
+            onProgressCallback,
+            result,
+            cache,
+            loadingQueue,
+            addToLoadingQueue,
+            addToExcludeCache,
+            shouldFetchMore,
+            fetchEntry,
+            _args3 = arguments;
+        return _regenerator.default.wrap(function _callee3$(_context3) {
           while (1) {
             switch (_context3.prev = _context3.next) {
               case 0:
+                exclude = _args3.length > 3 && _args3[3] !== undefined ? _args3[3] : [];
+                timeout = _args3.length > 4 && _args3[4] !== undefined ? _args3[4] : null;
+                onProgressCallback = _args3.length > 5 ? _args3[5] : undefined;
                 result = [];
                 cache = {};
-                loadingQueue = Array.isArray(hashes) ? hashes.slice() : [hashes];
-
-                // Add a multihash to the loading queue
+                loadingQueue = Array.isArray(hashes) ? hashes.slice() : [hashes]; // Add a multihash to the loading queue
 
                 addToLoadingQueue = function addToLoadingQueue(e) {
                   return loadingQueue.push(e);
-                };
-
-                // Add entries that we don't need to fetch to the "cache"
+                }; // Add entries that we don't need to fetch to the "cache"
 
 
                 exclude = exclude && Array.isArray(exclude) ? exclude : [];
@@ -138,36 +146,40 @@ var EntryIO = function () {
                   var hash = loadingQueue.shift();
 
                   if (cache[hash]) {
-                    return _promise2.default.resolve();
+                    return Promise.resolve();
                   }
 
-                  return new _promise2.default(function () {
-                    var _ref3 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee2(resolve, reject) {
+                  return new Promise(
+                  /*#__PURE__*/
+                  function () {
+                    var _ref = (0, _asyncToGenerator2.default)(
+                    /*#__PURE__*/
+                    _regenerator.default.mark(function _callee2(resolve, reject) {
                       var timer, addToResults, entry;
-                      return _regenerator2.default.wrap(function _callee2$(_context2) {
+                      return _regenerator.default.wrap(function _callee2$(_context2) {
                         while (1) {
                           switch (_context2.prev = _context2.next) {
                             case 0:
                               // Resolve the promise after a timeout (if given) in order to
                               // not get stuck loading a block that is unreachable
                               timer = timeout ? setTimeout(function () {
-                                console.warn('Warning: Couldn\'t fetch entry \'' + hash + '\', request timed out (' + timeout + 'ms)');
+                                console.warn("Warning: Couldn't fetch entry '".concat(hash, "', request timed out (").concat(timeout, "ms)"));
                                 resolve();
                               }, timeout) : null;
 
                               addToResults = function addToResults(entry) {
                                 clearTimeout(timer);
+
                                 if (Entry.isEntry(entry)) {
                                   entry.next.forEach(addToLoadingQueue);
                                   result.push(entry);
                                   cache[hash] = entry;
+
                                   if (onProgressCallback) {
                                     onProgressCallback(hash, entry, result.length);
                                   }
                                 }
-                              };
-
-                              // Load the entry
+                              }; // Load the entry
 
 
                               _context2.prev = 2;
@@ -176,7 +188,6 @@ var EntryIO = function () {
 
                             case 5:
                               entry = _context2.sent;
-
                               addToResults(entry);
                               resolve();
                               _context2.next = 13;
@@ -184,40 +195,39 @@ var EntryIO = function () {
 
                             case 10:
                               _context2.prev = 10;
-                              _context2.t0 = _context2['catch'](2);
-
+                              _context2.t0 = _context2["catch"](2);
                               reject(_context2.t0);
 
                             case 13:
-                            case 'end':
+                            case "end":
                               return _context2.stop();
                           }
                         }
-                      }, _callee2, _this, [[2, 10]]);
+                      }, _callee2, this, [[2, 10]]);
                     }));
 
-                    return function (_x10, _x11) {
-                      return _ref3.apply(this, arguments);
+                    return function (_x7, _x8) {
+                      return _ref.apply(this, arguments);
                     };
                   }());
                 };
 
-                _context3.next = 11;
+                _context3.next = 14;
                 return pWhilst(shouldFetchMore, fetchEntry);
 
-              case 11:
-                return _context3.abrupt('return', result);
+              case 14:
+                return _context3.abrupt("return", result);
 
-              case 12:
-              case 'end':
+              case 15:
+              case "end":
                 return _context3.stop();
             }
           }
         }, _callee3, this);
       }));
 
-      function fetchAll(_x7, _x8, _x9) {
-        return _ref2.apply(this, arguments);
+      function fetchAll(_x4, _x5, _x6) {
+        return _fetchAll.apply(this, arguments);
       }
 
       return fetchAll;
diff --git a/lib/es5/entry.js b/lib/es5/entry.js
index 04167576..7b13885c 100644
--- a/lib/es5/entry.js
+++ b/lib/es5/entry.js
@@ -1,30 +1,14 @@
 'use strict';
 
-var _stringify = require('babel-runtime/core-js/json/stringify');
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
-var _stringify2 = _interopRequireDefault(_stringify);
+var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
 
-var _assign = require('babel-runtime/core-js/object/assign');
+var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
 
-var _assign2 = _interopRequireDefault(_assign);
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _regenerator = require('babel-runtime/regenerator');
-
-var _regenerator2 = _interopRequireDefault(_regenerator);
-
-var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');
-
-var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
-
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
-
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
-
-var _createClass2 = require('babel-runtime/helpers/createClass');
-
-var _createClass3 = _interopRequireDefault(_createClass2);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
 
 var Clock = require('./lamport-clock');
 
@@ -35,13 +19,15 @@ var IpfsNotDefinedError = function IpfsNotDefinedError() {
   return new Error('Ipfs instance not defined');
 };
 
-var Entry = function () {
+var Entry =
+/*#__PURE__*/
+function () {
   function Entry() {
-    (0, _classCallCheck3.default)(this, Entry);
+    (0, _classCallCheck2.default)(this, Entry);
   }
 
-  (0, _createClass3.default)(Entry, null, [{
-    key: 'create',
+  (0, _createClass2.default)(Entry, null, [{
+    key: "create",
 
     /**
      * Create an Entry
@@ -54,55 +40,63 @@ var Entry = function () {
      * @returns {Promise<Entry>}
      */
     value: function () {
-      var _ref = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee(ipfs, identity, logId, data) {
-        var next = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [];
-        var clock = arguments[5];
-        var toEntry, nexts, entry, signature;
-        return _regenerator2.default.wrap(function _callee$(_context) {
+      var _create = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee(ipfs, identity, logId, data) {
+        var next,
+            clock,
+            toEntry,
+            nexts,
+            entry,
+            signature,
+            _args = arguments;
+        return _regenerator.default.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
+                next = _args.length > 4 && _args[4] !== undefined ? _args[4] : [];
+                clock = _args.length > 5 ? _args[5] : undefined;
+
                 if (isDefined(ipfs)) {
-                  _context.next = 2;
+                  _context.next = 4;
                   break;
                 }
 
                 throw IpfsNotDefinedError();
 
-              case 2:
+              case 4:
                 if (isDefined(identity)) {
-                  _context.next = 4;
+                  _context.next = 6;
                   break;
                 }
 
                 throw new Error('Identity is required, cannot create entry');
 
-              case 4:
+              case 6:
                 if (isDefined(logId)) {
-                  _context.next = 6;
+                  _context.next = 8;
                   break;
                 }
 
                 throw new Error('Entry requires an id');
 
-              case 6:
+              case 8:
                 if (isDefined(data)) {
-                  _context.next = 8;
+                  _context.next = 10;
                   break;
                 }
 
                 throw new Error('Entry requires data');
 
-              case 8:
+              case 10:
                 if (!(!isDefined(next) || !Array.isArray(next))) {
-                  _context.next = 10;
+                  _context.next = 12;
                   break;
                 }
 
                 throw new Error("'next' argument is not an array");
 
-              case 10:
-
+              case 12:
                 // Clean the next objects and convert to hashes
                 toEntry = function toEntry(e) {
                   return e.hash ? e.hash : e;
@@ -110,44 +104,47 @@ var Entry = function () {
 
                 nexts = next.filter(isDefined).map(toEntry);
                 entry = {
-                  hash: null, // "Qm...Foo", we'll set the hash after persisting the entry
-                  id: logId, // For determining a unique chain
-                  payload: data, // Can be any JSON.stringifyable data
-                  next: nexts, // Array of Multihashes
-                  v: 0, // For future data structure updates, should currently always be 0
+                  hash: null,
+                  // "Qm...Foo", we'll set the hash after persisting the entry
+                  id: logId,
+                  // For determining a unique chain
+                  payload: data,
+                  // Can be any JSON.stringifyable data
+                  next: nexts,
+                  // Array of Multihashes
+                  v: 0,
+                  // For future data structure updates, should currently always be 0
                   clock: clock || new Clock(identity.publicKey)
                 };
-                _context.next = 15;
+                _context.next = 17;
                 return identity.provider.sign(identity, Entry.toBuffer(entry));
 
-              case 15:
+              case 17:
                 signature = _context.sent;
-
                 entry.key = identity.publicKey;
                 entry.identity = identity.toJSON();
                 entry.sig = signature;
-                _context.next = 21;
+                _context.next = 23;
                 return Entry.toMultihash(ipfs, entry);
 
-              case 21:
+              case 23:
                 entry.hash = _context.sent;
-                return _context.abrupt('return', entry);
+                return _context.abrupt("return", entry);
 
-              case 23:
-              case 'end':
+              case 25:
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function create(_x2, _x3, _x4, _x5) {
-        return _ref.apply(this, arguments);
+      function create(_x, _x2, _x3, _x4) {
+        return _create.apply(this, arguments);
       }
 
       return create;
     }()
-
     /**
      * Verifies an entry signature for a given key and sig
      * @param  {Entry}  entry Entry to verify
@@ -156,11 +153,13 @@ var Entry = function () {
      */
 
   }, {
-    key: 'verify',
+    key: "verify",
     value: function () {
-      var _ref2 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee2(identityProvider, entry) {
+      var _verify = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee2(identityProvider, entry) {
         var e;
-        return _regenerator2.default.wrap(function _callee2$(_context2) {
+        return _regenerator.default.wrap(function _callee2$(_context2) {
           while (1) {
             switch (_context2.prev = _context2.next) {
               case 0:
@@ -196,7 +195,7 @@ var Entry = function () {
                 throw new Error("Entry doesn't have a signature");
 
               case 8:
-                e = (0, _assign2.default)({}, {
+                e = Object.assign({}, {
                   hash: null,
                   id: entry.id,
                   payload: entry.payload,
@@ -204,28 +203,27 @@ var Entry = function () {
                   v: entry.v,
                   clock: new Clock(entry.clock.id, entry.clock.time)
                 });
-                return _context2.abrupt('return', identityProvider.verify(entry.sig, entry.key, Entry.toBuffer(e)));
+                return _context2.abrupt("return", identityProvider.verify(entry.sig, entry.key, Entry.toBuffer(e)));
 
               case 10:
-              case 'end':
+              case "end":
                 return _context2.stop();
             }
           }
         }, _callee2, this);
       }));
 
-      function verify(_x6, _x7) {
-        return _ref2.apply(this, arguments);
+      function verify(_x5, _x6) {
+        return _verify.apply(this, arguments);
       }
 
       return verify;
     }()
   }, {
-    key: 'toBuffer',
+    key: "toBuffer",
     value: function toBuffer(entry) {
-      return Buffer.from((0, _stringify2.default)(entry));
+      return Buffer.from(JSON.stringify(entry));
     }
-
     /**
      * Get the multihash of an Entry
      * @param {IPFS} [ipfs] An IPFS instance
@@ -238,11 +236,13 @@ var Entry = function () {
      */
 
   }, {
-    key: 'toMultihash',
+    key: "toMultihash",
     value: function () {
-      var _ref3 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee3(ipfs, entry) {
+      var _toMultihash = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee3(ipfs, entry) {
         var isValidEntryObject, e, data, object;
-        return _regenerator2.default.wrap(function _callee3$(_context3) {
+        return _regenerator.default.wrap(function _callee3$(_context3) {
           while (1) {
             switch (_context3.prev = _context3.next) {
               case 0:
@@ -266,7 +266,6 @@ var Entry = function () {
                 throw new Error('Invalid object format, cannot generate entry multihash');
 
               case 5:
-
                 // Ensure `entry` follows the correct format
                 e = {
                   hash: null,
@@ -276,35 +275,37 @@ var Entry = function () {
                   v: entry.v,
                   clock: entry.clock
                 };
-
-
-                if (entry.key) (0, _assign2.default)(e, { key: entry.key });
-                if (entry.identity) (0, _assign2.default)(e, { identity: entry.identity });
-                if (entry.sig) (0, _assign2.default)(e, { sig: entry.sig });
-
+                if (entry.key) Object.assign(e, {
+                  key: entry.key
+                });
+                if (entry.identity) Object.assign(e, {
+                  identity: entry.identity
+                });
+                if (entry.sig) Object.assign(e, {
+                  sig: entry.sig
+                });
                 data = Entry.toBuffer(e);
                 _context3.next = 12;
-                return ipfs.object.put(data);
+                return ipfs.dag.put(data);
 
               case 12:
                 object = _context3.sent;
-                return _context3.abrupt('return', object.toJSON().multihash);
+                return _context3.abrupt("return", object.toBaseEncodedString());
 
               case 14:
-              case 'end':
+              case "end":
                 return _context3.stop();
             }
           }
         }, _callee3, this);
       }));
 
-      function toMultihash(_x8, _x9) {
-        return _ref3.apply(this, arguments);
+      function toMultihash(_x7, _x8) {
+        return _toMultihash.apply(this, arguments);
       }
 
       return toMultihash;
     }()
-
     /**
      * Create an Entry from a multihash
      * @param {IPFS} [ipfs] An IPFS instance
@@ -317,11 +318,13 @@ var Entry = function () {
      */
 
   }, {
-    key: 'fromMultihash',
+    key: "fromMultihash",
     value: function () {
-      var _ref4 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee4(ipfs, hash) {
+      var _fromMultihash = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee4(ipfs, hash) {
         var obj, data, entry;
-        return _regenerator2.default.wrap(function _callee4$(_context4) {
+        return _regenerator.default.wrap(function _callee4$(_context4) {
           while (1) {
             switch (_context4.prev = _context4.next) {
               case 0:
@@ -338,15 +341,15 @@ var Entry = function () {
                   break;
                 }
 
-                throw new Error('Invalid hash: ' + hash);
+                throw new Error("Invalid hash: ".concat(hash));
 
               case 4:
                 _context4.next = 6;
-                return ipfs.object.get(hash, { enc: 'base58' });
+                return ipfs.dag.get(hash);
 
               case 6:
                 obj = _context4.sent;
-                data = JSON.parse(obj.toJSON().data);
+                data = JSON.parse(obj.value);
                 entry = {
                   hash: hash,
                   id: data.id,
@@ -355,29 +358,31 @@ var Entry = function () {
                   v: data.v,
                   clock: new Clock(data.clock.id, data.clock.time)
                 };
-
-
-                if (data.key) (0, _assign2.default)(entry, { key: data.key });
-                if (data.identity) (0, _assign2.default)(entry, { identity: data.identity });
-                if (data.sig) (0, _assign2.default)(entry, { sig: data.sig });
-
-                return _context4.abrupt('return', entry);
+                if (data.key) Object.assign(entry, {
+                  key: data.key
+                });
+                if (data.identity) Object.assign(entry, {
+                  identity: data.identity
+                });
+                if (data.sig) Object.assign(entry, {
+                  sig: data.sig
+                });
+                return _context4.abrupt("return", entry);
 
               case 13:
-              case 'end':
+              case "end":
                 return _context4.stop();
             }
           }
         }, _callee4, this);
       }));
 
-      function fromMultihash(_x10, _x11) {
-        return _ref4.apply(this, arguments);
+      function fromMultihash(_x9, _x10) {
+        return _fromMultihash.apply(this, arguments);
       }
 
       return fromMultihash;
     }()
-
     /**
      * Check if an object is an Entry
      * @param {Entry} obj
@@ -385,18 +390,17 @@ var Entry = function () {
      */
 
   }, {
-    key: 'isEntry',
+    key: "isEntry",
     value: function isEntry(obj) {
       return obj && obj.id !== undefined && obj.next !== undefined && obj.hash !== undefined && obj.payload !== undefined && obj.v !== undefined && obj.clock !== undefined;
     }
   }, {
-    key: 'compare',
+    key: "compare",
     value: function compare(a, b) {
       var distance = Clock.compare(a.clock, b.clock);
       if (distance === 0) return a.clock.id < b.clock.id ? -1 : 1;
       return distance;
     }
-
     /**
      * Check if an entry equals another entry
      * @param {Entry} a
@@ -405,11 +409,10 @@ var Entry = function () {
      */
 
   }, {
-    key: 'isEqual',
+    key: "isEqual",
     value: function isEqual(a, b) {
       return a.hash === b.hash;
     }
-
     /**
      * Check if an entry is a parent to another entry.
      * @param {Entry} [entry1] Entry to check
@@ -418,11 +421,10 @@ var Entry = function () {
      */
 
   }, {
-    key: 'isParent',
+    key: "isParent",
     value: function isParent(entry1, entry2) {
       return entry2.next.indexOf(entry1.hash) > -1;
     }
-
     /**
      * Find entry's children from an Array of entries
      *
@@ -435,13 +437,14 @@ var Entry = function () {
      */
 
   }, {
-    key: 'findChildren',
+    key: "findChildren",
     value: function findChildren(entry, values) {
       var stack = [];
       var parent = values.find(function (e) {
         return Entry.isParent(entry, e);
       });
       var prev = entry;
+
       while (parent) {
         stack.push(parent);
         prev = parent;
@@ -449,6 +452,7 @@ var Entry = function () {
           return Entry.isParent(prev, e);
         });
       }
+
       stack = stack.sort(function (a, b) {
         return a.clock.time > b.clock.time;
       });
diff --git a/lib/es5/g-set.js b/lib/es5/g-set.js
index 43be37cd..de15cb63 100644
--- a/lib/es5/g-set.js
+++ b/lib/es5/g-set.js
@@ -1,5 +1,4 @@
 'use strict';
-
 /**
  * Interface for G-Set CRDT
  *
@@ -8,38 +7,37 @@
  * https://hal.inria.fr/inria-00555588
  */
 
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
-
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
-var _createClass2 = require('babel-runtime/helpers/createClass');
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _createClass3 = _interopRequireDefault(_createClass2);
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
 
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-var GSet = function () {
+var GSet =
+/*#__PURE__*/
+function () {
   function GSet(values) {
-    (0, _classCallCheck3.default)(this, GSet);
-  }
+    (0, _classCallCheck2.default)(this, GSet);
+  } // eslint-disable-line
+
 
-  (0, _createClass3.default)(GSet, [{
-    key: 'append',
+  (0, _createClass2.default)(GSet, [{
+    key: "append",
     value: function append(value) {}
   }, {
-    key: 'merge',
+    key: "merge",
     value: function merge(set) {}
   }, {
-    key: 'get',
+    key: "get",
     value: function get(value) {}
   }, {
-    key: 'has',
+    key: "has",
     value: function has(value) {}
   }, {
-    key: 'values',
+    key: "values",
     get: function get() {}
   }, {
-    key: 'length',
+    key: "length",
     get: function get() {}
   }]);
   return GSet;
diff --git a/lib/es5/lamport-clock.js b/lib/es5/lamport-clock.js
index ed1d81c1..f64116ed 100644
--- a/lib/es5/lamport-clock.js
+++ b/lib/es5/lamport-clock.js
@@ -1,49 +1,44 @@
 'use strict';
 
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _createClass2 = require('babel-runtime/helpers/createClass');
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
 
-var _createClass3 = _interopRequireDefault(_createClass2);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-var LamportClock = function () {
+var LamportClock =
+/*#__PURE__*/
+function () {
   function LamportClock(id, time) {
-    (0, _classCallCheck3.default)(this, LamportClock);
-
+    (0, _classCallCheck2.default)(this, LamportClock);
     this.id = id;
     this.time = time || 0;
   }
 
-  (0, _createClass3.default)(LamportClock, [{
-    key: 'tick',
+  (0, _createClass2.default)(LamportClock, [{
+    key: "tick",
     value: function tick() {
       return new LamportClock(this.id, ++this.time);
     }
   }, {
-    key: 'merge',
+    key: "merge",
     value: function merge(clock) {
       this.time = Math.max(this.time, clock.time);
       return new LamportClock(this.id, this.time);
     }
   }, {
-    key: 'clone',
+    key: "clone",
     value: function clone() {
       return new LamportClock(this.id, this.time);
     }
   }], [{
-    key: 'compare',
+    key: "compare",
     value: function compare(a, b) {
       // Calculate the "distance" based on the clock, ie. lower or greater
-      var dist = a.time - b.time;
-
-      // If the sequence number is the same (concurrent events),
+      var dist = a.time - b.time; // If the sequence number is the same (concurrent events),
       // and the IDs are different, take the one with a "lower" id
-      if (dist === 0 && a.id !== b.id) return a.id < b.id ? -1 : 1;
 
+      if (dist === 0 && a.id !== b.id) return a.id < b.id ? -1 : 1;
       return dist;
     }
   }]);
diff --git a/lib/es5/log-errors.js b/lib/es5/log-errors.js
index 5500a054..76653c1c 100644
--- a/lib/es5/log-errors.js
+++ b/lib/es5/log-errors.js
@@ -3,12 +3,15 @@
 var IPFSNotDefinedError = function IPFSNotDefinedError() {
   return new Error('IPFS instance not defined');
 };
+
 var LogNotDefinedError = function LogNotDefinedError() {
   return new Error('Log instance not defined');
 };
+
 var NotALogError = function NotALogError() {
   return new Error('Given argument is not an instance of Log');
 };
+
 var CannotJoinWithDifferentId = function CannotJoinWithDifferentId() {
   return new Error('Can\'t join logs with different IDs');
 };
diff --git a/lib/es5/log-io.js b/lib/es5/log-io.js
index 177fb3d8..8c18b320 100644
--- a/lib/es5/log-io.js
+++ b/lib/es5/log-io.js
@@ -1,26 +1,21 @@
 'use strict';
 
-var _regenerator = require('babel-runtime/regenerator');
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
-var _regenerator2 = _interopRequireDefault(_regenerator);
+var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
 
-var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');
+var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
 
-var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
-
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
-
-var _createClass2 = require('babel-runtime/helpers/createClass');
-
-var _createClass3 = _interopRequireDefault(_createClass2);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
 
 var Entry = require('./entry');
+
 var EntryIO = require('./entry-io');
+
 var Clock = require('./lamport-clock');
+
 var LogError = require('./log-errors');
 
 var _require = require('./utils'),
@@ -32,17 +27,21 @@ var last = function last(arr, n) {
   return arr.slice(arr.length - n, arr.length);
 };
 
-var LogIO = function () {
+var LogIO =
+/*#__PURE__*/
+function () {
   function LogIO() {
-    (0, _classCallCheck3.default)(this, LogIO);
+    (0, _classCallCheck2.default)(this, LogIO);
   }
 
-  (0, _createClass3.default)(LogIO, null, [{
-    key: 'toMultihash',
+  (0, _createClass2.default)(LogIO, null, [{
+    key: "toMultihash",
     value: function () {
-      var _ref = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee(ipfs, log) {
+      var _toMultihash = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee(ipfs, log) {
         var dagNode;
-        return _regenerator2.default.wrap(function _callee$(_context) {
+        return _regenerator.default.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
@@ -67,18 +66,18 @@ var LogIO = function () {
                   break;
                 }
 
-                throw new Error('Can\'t serialize an empty log');
+                throw new Error("Can't serialize an empty log");
 
               case 6:
                 _context.next = 8;
-                return ipfs.object.put(log.toBuffer());
+                return ipfs.dag.put(log.toBuffer());
 
               case 8:
                 dagNode = _context.sent;
-                return _context.abrupt('return', dagNode.toJSON().multihash);
+                return _context.abrupt("return", dagNode.toBaseEncodedString());
 
               case 10:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
@@ -86,12 +85,11 @@ var LogIO = function () {
       }));
 
       function toMultihash(_x, _x2) {
-        return _ref.apply(this, arguments);
+        return _toMultihash.apply(this, arguments);
       }
 
       return toMultihash;
     }()
-
     /**
      * Create a log from multihash
      * @param {IPFS} ipfs - An IPFS instance
@@ -102,203 +100,227 @@ var LogIO = function () {
      */
 
   }, {
-    key: 'fromMultihash',
+    key: "fromMultihash",
     value: function () {
-      var _ref2 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee2(ipfs, hash) {
-        var length = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : -1;
-        var exclude = arguments[3];
-        var onProgressCallback = arguments[4];
-        var dagNode, logData, entries, clock, finalEntries, heads;
-        return _regenerator2.default.wrap(function _callee2$(_context2) {
+      var _fromMultihash = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee2(ipfs, hash) {
+        var length,
+            exclude,
+            onProgressCallback,
+            dagNode,
+            logData,
+            entries,
+            clock,
+            finalEntries,
+            heads,
+            _args2 = arguments;
+        return _regenerator.default.wrap(function _callee2$(_context2) {
           while (1) {
             switch (_context2.prev = _context2.next) {
               case 0:
+                length = _args2.length > 2 && _args2[2] !== undefined ? _args2[2] : -1;
+                exclude = _args2.length > 3 ? _args2[3] : undefined;
+                onProgressCallback = _args2.length > 4 ? _args2[4] : undefined;
+
                 if (isDefined(ipfs)) {
-                  _context2.next = 2;
+                  _context2.next = 5;
                   break;
                 }
 
                 throw LogError.IPFSNotDefinedError();
 
-              case 2:
+              case 5:
                 if (isDefined(hash)) {
-                  _context2.next = 4;
+                  _context2.next = 7;
                   break;
                 }
 
-                throw new Error('Invalid hash: ' + hash);
+                throw new Error("Invalid hash: ".concat(hash));
 
-              case 4:
-                _context2.next = 6;
-                return ipfs.object.get(hash, { enc: 'base58' });
+              case 7:
+                _context2.next = 9;
+                return ipfs.dag.get(hash);
 
-              case 6:
+              case 9:
                 dagNode = _context2.sent;
-                logData = JSON.parse(dagNode.toJSON().data);
+                logData = JSON.parse(dagNode.value);
 
                 if (!(!logData.heads || !logData.id)) {
-                  _context2.next = 10;
+                  _context2.next = 13;
                   break;
                 }
 
                 throw LogError.NotALogError();
 
-              case 10:
-                _context2.next = 12;
+              case 13:
+                _context2.next = 15;
                 return EntryIO.fetchAll(ipfs, logData.heads, length, exclude, null, onProgressCallback);
 
-              case 12:
+              case 15:
                 entries = _context2.sent;
-
-
                 // Find latest clock
                 clock = entries.reduce(function (clock, entry) {
                   if (entry.clock.time > clock.time) {
                     return new Clock(entry.clock.id, entry.clock.time);
                   }
+
                   return clock;
                 }, new Clock(logData.id));
                 finalEntries = entries.slice().sort(Entry.compare);
                 heads = finalEntries.filter(function (e) {
                   return logData.heads.includes(e.hash);
                 });
-                return _context2.abrupt('return', {
+                return _context2.abrupt("return", {
                   id: logData.id,
                   values: finalEntries,
                   heads: heads,
                   clock: clock
                 });
 
-              case 17:
-              case 'end':
+              case 20:
+              case "end":
                 return _context2.stop();
             }
           }
         }, _callee2, this);
       }));
 
-      function fromMultihash(_x4, _x5) {
-        return _ref2.apply(this, arguments);
+      function fromMultihash(_x3, _x4) {
+        return _fromMultihash.apply(this, arguments);
       }
 
       return fromMultihash;
     }()
   }, {
-    key: 'fromEntryHash',
+    key: "fromEntryHash",
     value: function () {
-      var _ref3 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee3(ipfs, entryHash, id) {
-        var length = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : -1;
-        var exclude = arguments[4];
-        var onProgressCallback = arguments[5];
-        var entryHashes, excludeHashes, entries, sliced;
-        return _regenerator2.default.wrap(function _callee3$(_context3) {
+      var _fromEntryHash = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee3(ipfs, entryHash, id) {
+        var length,
+            exclude,
+            onProgressCallback,
+            entryHashes,
+            excludeHashes,
+            entries,
+            sliced,
+            _args3 = arguments;
+        return _regenerator.default.wrap(function _callee3$(_context3) {
           while (1) {
             switch (_context3.prev = _context3.next) {
               case 0:
+                length = _args3.length > 3 && _args3[3] !== undefined ? _args3[3] : -1;
+                exclude = _args3.length > 4 ? _args3[4] : undefined;
+                onProgressCallback = _args3.length > 5 ? _args3[5] : undefined;
+
                 if (isDefined(ipfs)) {
-                  _context3.next = 2;
+                  _context3.next = 5;
                   break;
                 }
 
                 throw LogError.IpfsNotDefinedError();
 
-              case 2:
+              case 5:
                 if (isDefined(entryHash)) {
-                  _context3.next = 4;
+                  _context3.next = 7;
                   break;
                 }
 
                 throw new Error("'entryHash' must be defined");
 
-              case 4:
-
+              case 7:
                 // Convert input hash(es) to an array
-                entryHashes = Array.isArray(entryHash) ? entryHash : [entryHash];
+                entryHashes = Array.isArray(entryHash) ? entryHash : [entryHash]; // Fetch given length, return size at least the given input entries
 
-                // Fetch given length, return size at least the given input entries
+                length = length > -1 ? Math.max(length, 1) : length; // Make sure we pass hashes instead of objects to the fetcher function
 
-                length = length > -1 ? Math.max(length, 1) : length;
-
-                // Make sure we pass hashes instead of objects to the fetcher function
                 excludeHashes = exclude; // ? exclude.map(e => e.hash ? e.hash : e) : exclude
 
-                _context3.next = 9;
+                _context3.next = 12;
                 return EntryIO.fetchParallel(ipfs, entryHashes, length, excludeHashes, null, null, onProgressCallback);
 
-              case 9:
+              case 12:
                 entries = _context3.sent;
-
                 // Cap the result at the right size by taking the last n entries,
                 // or if given length is -1, then take all
                 sliced = length > -1 ? last(entries, length) : entries;
-                return _context3.abrupt('return', {
+                return _context3.abrupt("return", {
                   values: sliced
                 });
 
-              case 12:
-              case 'end':
+              case 15:
+              case "end":
                 return _context3.stop();
             }
           }
         }, _callee3, this);
       }));
 
-      function fromEntryHash(_x7, _x8, _x9) {
-        return _ref3.apply(this, arguments);
+      function fromEntryHash(_x5, _x6, _x7) {
+        return _fromEntryHash.apply(this, arguments);
       }
 
       return fromEntryHash;
     }()
   }, {
-    key: 'fromJSON',
+    key: "fromJSON",
     value: function () {
-      var _ref4 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee4(ipfs, json) {
-        var length = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : -1;
-        var timeout = arguments[3];
-        var onProgressCallback = arguments[4];
-        var headHashes, entries, finalEntries;
-        return _regenerator2.default.wrap(function _callee4$(_context4) {
+      var _fromJSON = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee4(ipfs, json) {
+        var length,
+            timeout,
+            onProgressCallback,
+            headHashes,
+            entries,
+            finalEntries,
+            _args4 = arguments;
+        return _regenerator.default.wrap(function _callee4$(_context4) {
           while (1) {
             switch (_context4.prev = _context4.next) {
               case 0:
+                length = _args4.length > 2 && _args4[2] !== undefined ? _args4[2] : -1;
+                timeout = _args4.length > 3 ? _args4[3] : undefined;
+                onProgressCallback = _args4.length > 4 ? _args4[4] : undefined;
+
                 if (isDefined(ipfs)) {
-                  _context4.next = 2;
+                  _context4.next = 5;
                   break;
                 }
 
                 throw LogError.IPFSNotDefinedError();
 
-              case 2:
+              case 5:
                 headHashes = json.heads.map(function (e) {
                   return e.hash;
                 });
-                _context4.next = 5;
+                _context4.next = 8;
                 return EntryIO.fetchParallel(ipfs, headHashes, length, [], 16, timeout, onProgressCallback);
 
-              case 5:
+              case 8:
                 entries = _context4.sent;
                 finalEntries = entries.slice().sort(Entry.compare);
-                return _context4.abrupt('return', {
+                return _context4.abrupt("return", {
                   id: json.id,
                   values: finalEntries,
                   heads: json.heads
                 });
 
-              case 8:
-              case 'end':
+              case 11:
+              case "end":
                 return _context4.stop();
             }
           }
         }, _callee4, this);
       }));
 
-      function fromJSON(_x11, _x12) {
-        return _ref4.apply(this, arguments);
+      function fromJSON(_x8, _x9) {
+        return _fromJSON.apply(this, arguments);
       }
 
       return fromJSON;
     }()
-
     /**
      * Create a new log starting from an entry
      * @param {IPFS} ipfs An IPFS instance
@@ -310,75 +332,80 @@ var LogIO = function () {
      */
 
   }, {
-    key: 'fromEntry',
+    key: "fromEntry",
     value: function () {
-      var _ref5 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee5(ipfs, sourceEntries) {
-        var length = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : -1;
-        var exclude = arguments[3];
-        var onProgressCallback = arguments[4];
-        var excludeHashes, hashes, entries, combined, uniques, sliced, missingSourceEntries, replaceInFront, result;
-        return _regenerator2.default.wrap(function _callee5$(_context5) {
+      var _fromEntry = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee5(ipfs, sourceEntries) {
+        var length,
+            exclude,
+            onProgressCallback,
+            excludeHashes,
+            hashes,
+            entries,
+            combined,
+            uniques,
+            sliced,
+            missingSourceEntries,
+            replaceInFront,
+            result,
+            _args5 = arguments;
+        return _regenerator.default.wrap(function _callee5$(_context5) {
           while (1) {
             switch (_context5.prev = _context5.next) {
               case 0:
+                length = _args5.length > 2 && _args5[2] !== undefined ? _args5[2] : -1;
+                exclude = _args5.length > 3 ? _args5[3] : undefined;
+                onProgressCallback = _args5.length > 4 ? _args5[4] : undefined;
+
                 if (isDefined(ipfs)) {
-                  _context5.next = 2;
+                  _context5.next = 5;
                   break;
                 }
 
                 throw LogError.IPFSNotDefinedError();
 
-              case 2:
+              case 5:
                 if (isDefined(sourceEntries)) {
-                  _context5.next = 4;
+                  _context5.next = 7;
                   break;
                 }
 
                 throw new Error("'sourceEntries' must be defined");
 
-              case 4:
+              case 7:
                 if (!(!Array.isArray(sourceEntries) && !Entry.isEntry(sourceEntries))) {
-                  _context5.next = 6;
+                  _context5.next = 9;
                   break;
                 }
 
-                throw new Error('\'sourceEntries\' argument must be an array of Entry instances or a single Entry');
-
-              case 6:
+                throw new Error("'sourceEntries' argument must be an array of Entry instances or a single Entry");
 
+              case 9:
                 if (!Array.isArray(sourceEntries)) {
                   sourceEntries = [sourceEntries];
-                }
+                } // Fetch given length, return size at least the given input entries
+
 
-                // Fetch given length, return size at least the given input entries
-                length = length > -1 ? Math.max(length, sourceEntries.length) : length;
+                length = length > -1 ? Math.max(length, sourceEntries.length) : length; // Make sure we pass hashes instead of objects to the fetcher function
 
-                // Make sure we pass hashes instead of objects to the fetcher function
                 excludeHashes = exclude ? exclude.map(function (e) {
                   return e.hash ? e.hash : e;
                 }) : exclude;
                 hashes = sourceEntries.map(function (e) {
                   return e.hash;
-                });
-
-                // Fetch the entries
+                }); // Fetch the entries
 
-                _context5.next = 12;
+                _context5.next = 15;
                 return EntryIO.fetchParallel(ipfs, hashes, length, excludeHashes, null, null, onProgressCallback);
 
-              case 12:
+              case 15:
                 entries = _context5.sent;
-
-
                 // Combine the fetches with the source entries and take only uniques
                 combined = sourceEntries.concat(entries);
-                uniques = findUniques(combined, 'hash').sort(Entry.compare);
-
-                // Cap the result at the right size by taking the last n entries
+                uniques = findUniques(combined, 'hash').sort(Entry.compare); // Cap the result at the right size by taking the last n entries
 
-                sliced = uniques.slice(length > -1 ? -length : -uniques.length);
-
-                // Make sure that the given input entries are present in the result
+                sliced = uniques.slice(length > -1 ? -length : -uniques.length); // Make sure that the given input entries are present in the result
                 // in order to not lose references
 
                 missingSourceEntries = difference(sliced, sourceEntries, 'hash');
@@ -386,28 +413,26 @@ var LogIO = function () {
                 replaceInFront = function replaceInFront(a, withEntries) {
                   var sliced = a.slice(withEntries.length, a.length);
                   return withEntries.concat(sliced);
-                };
-
-                // Add the input entries at the beginning of the array and remove
+                }; // Add the input entries at the beginning of the array and remove
                 // as many elements from the array before inserting the original entries
 
 
                 result = replaceInFront(sliced, missingSourceEntries);
-                return _context5.abrupt('return', {
+                return _context5.abrupt("return", {
                   id: result[result.length - 1].id,
                   values: result
                 });
 
-              case 20:
-              case 'end':
+              case 23:
+              case "end":
                 return _context5.stop();
             }
           }
         }, _callee5, this);
       }));
 
-      function fromEntry(_x14, _x15) {
-        return _ref5.apply(this, arguments);
+      function fromEntry(_x10, _x11) {
+        return _fromEntry.apply(this, arguments);
       }
 
       return fromEntry;
diff --git a/lib/es5/log-sorting.js b/lib/es5/log-sorting.js
index 11777ad1..6097a32f 100644
--- a/lib/es5/log-sorting.js
+++ b/lib/es5/log-sorting.js
@@ -1,7 +1,6 @@
 'use strict';
 
 var Clock = require('./lamport-clock');
-
 /**
  * Sort two entries as Last-Write-Wins (LWW)
  * @description  Last Write Wins is a conflict resolution strategy for sorting elements
@@ -10,24 +9,28 @@ var Clock = require('./lamport-clock');
  * @param {Entry} [b] Second entry
  * @returns {int} 1 if a is latest, -1 if b is latest
  */
+
+
 function LastWriteWins(a, b) {
   // Ultimate conflict resolution (take the first/left arg)
   var First = function First(a, b) {
     return a;
-  };
-  // Sort two entries by their clock id, if the same always take the first
+  }; // Sort two entries by their clock id, if the same always take the first
+
+
   var sortById = function sortById(a, b) {
     return SortByClockId(a, b, First);
-  };
-  // Sort two entries by their clock time, if concurrent,
+  }; // Sort two entries by their clock time, if concurrent,
   // determine sorting using provided conflict resolution function
+
+
   var sortByEntryClocks = function sortByEntryClocks(a, b) {
     return SortByClocks(a, b, sortById);
-  };
-  // Sort entries by clock time as the primary sort criteria
+  }; // Sort entries by clock time as the primary sort criteria
+
+
   return sortByEntryClocks(a, b);
 }
-
 /**
  * Sort two entries by their clock time
  * @param {Entry} [a] First entry to compare
@@ -35,14 +38,15 @@ function LastWriteWins(a, b) {
  * @param {function(a, b)} [resolveConflict] A function to call if entries are concurrent (happened at the same time). The function should take in two entries and return 1 if the first entry should be chosen and -1 if the second entry should be chosen.
  * @returns {int} 1 if a is greater, -1 if b is greater
  */
+
+
 function SortByClocks(a, b, resolveConflict) {
   // Compare the clocks
-  var diff = Clock.compare(a.clock, b.clock);
-  // If the clocks are concurrent, use the provided
+  var diff = Clock.compare(a.clock, b.clock); // If the clocks are concurrent, use the provided
   // conflict resolution function to determine which comes first
+
   return diff === 0 ? resolveConflict(a, b) : diff;
 }
-
 /**
  * Sort two entries by their clock id
  * @param {Entry} [a] First entry to compare
@@ -50,6 +54,8 @@ function SortByClocks(a, b, resolveConflict) {
  * @param {function(a, b)} [resolveConflict] A function to call if the clocks ids are the same. The function should take in two entries and return 1 if the first entry should be chosen and -1 if the second entry should be chosen.
  * @returns {int} 1 if a is greater, -1 if b is greater
  */
+
+
 function SortByClockId(a, b, resolveConflict) {
   // Sort by ID if clocks are concurrent,
   // take the entry with a "greater" clock id
diff --git a/lib/es5/log.js b/lib/es5/log.js
index 323583dd..f2e48d5e 100644
--- a/lib/es5/log.js
+++ b/lib/es5/log.js
@@ -1,67 +1,39 @@
 'use strict';
 
-var _stringify = require('babel-runtime/core-js/json/stringify');
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
 
-var _stringify2 = _interopRequireDefault(_stringify);
+var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
 
-var _values = require('babel-runtime/core-js/object/values');
+var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
 
-var _values2 = _interopRequireDefault(_values);
+var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
 
-var _regenerator = require('babel-runtime/regenerator');
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
 
-var _regenerator2 = _interopRequireDefault(_regenerator);
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
 
-var _assign = require('babel-runtime/core-js/object/assign');
+var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
 
-var _assign2 = _interopRequireDefault(_assign);
+var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
 
-var _keys = require('babel-runtime/core-js/object/keys');
-
-var _keys2 = _interopRequireDefault(_keys);
-
-var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');
-
-var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
-
-var _toConsumableArray2 = require('babel-runtime/helpers/toConsumableArray');
-
-var _toConsumableArray3 = _interopRequireDefault(_toConsumableArray2);
-
-var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');
-
-var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
-
-var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
-
-var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
-
-var _createClass2 = require('babel-runtime/helpers/createClass');
-
-var _createClass3 = _interopRequireDefault(_createClass2);
-
-var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
-
-var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
-
-var _inherits2 = require('babel-runtime/helpers/inherits');
-
-var _inherits3 = _interopRequireDefault(_inherits2);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
 
 var pMap = require('p-map');
+
 var GSet = require('./g-set');
+
 var Entry = require('./entry');
+
 var LogIO = require('./log-io');
+
 var LogError = require('./log-errors');
+
 var Clock = require('./lamport-clock');
 
 var _require = require('./log-sorting'),
     LastWriteWins = _require.LastWriteWins;
 
 var AccessController = require('./default-access-controller');
-var IdentityProvider = require('orbit-db-identity-provider');
 
 var _require2 = require('./utils'),
     isDefined = _require2.isDefined,
@@ -70,23 +42,27 @@ var _require2 = require('./utils'),
 var randomId = function randomId() {
   return new Date().getTime().toString();
 };
+
 var getHash = function getHash(e) {
   return e.hash;
 };
+
 var flatMap = function flatMap(res, acc) {
   return res.concat(acc);
 };
+
 var getNextPointers = function getNextPointers(entry) {
   return entry.next;
 };
+
 var maxClockTimeReducer = function maxClockTimeReducer(res, acc) {
   return Math.max(res, acc.clock.time);
 };
+
 var uniqueEntriesReducer = function uniqueEntriesReducer(res, acc) {
   res[acc.hash] = acc;
   return res;
 };
-
 /**
  * Log
  *
@@ -98,8 +74,11 @@ var uniqueEntriesReducer = function uniqueEntriesReducer(res, acc) {
  * https://hal.inria.fr/inria-00555588
  */
 
-var Log = function (_GSet) {
-  (0, _inherits3.default)(Log, _GSet);
+
+var Log =
+/*#__PURE__*/
+function (_GSet) {
+  (0, _inherits2.default)(Log, _GSet);
 
   /**
    * Create a new Log instance
@@ -113,7 +92,9 @@ var Log = function (_GSet) {
    * @return {Log}                            Log
    */
   function Log(ipfs, access, identity, logId, entries, heads, clock) {
-    (0, _classCallCheck3.default)(this, Log);
+    var _this;
+
+    (0, _classCallCheck2.default)(this, Log);
 
     if (!isDefined(ipfs)) {
       throw LogError.IPFSNotDefinedError();
@@ -128,61 +109,54 @@ var Log = function (_GSet) {
     }
 
     if (isDefined(entries) && !Array.isArray(entries)) {
-      throw new Error('\'entries\' argument must be an array of Entry instances');
+      throw new Error("'entries' argument must be an array of Entry instances");
     }
 
     if (isDefined(heads) && !Array.isArray(heads)) {
-      throw new Error('\'heads\' argument must be an array');
+      throw new Error("'heads' argument must be an array");
     }
 
-    var _this = (0, _possibleConstructorReturn3.default)(this, (Log.__proto__ || (0, _getPrototypeOf2.default)(Log)).call(this));
-
+    _this = (0, _possibleConstructorReturn2.default)(this, (0, _getPrototypeOf2.default)(Log).call(this));
     _this._storage = ipfs;
-    _this._id = logId || randomId();
+    _this._id = logId || randomId(); // Access Controller
 
-    // Access Controller
-    _this._access = access;
-    // Identity
-    _this._identity = identity;
+    _this._access = access; // Identity
+
+    _this._identity = identity; // Add entries to the internal cache
 
-    // Add entries to the internal cache
     entries = entries || [];
-    _this._entryIndex = entries.reduce(uniqueEntriesReducer, {});
+    _this._entryIndex = entries.reduce(uniqueEntriesReducer, {}); // Set heads if not passed as an argument
 
-    // Set heads if not passed as an argument
     heads = heads || Log.findHeads(entries);
-    _this._headsIndex = heads.reduce(uniqueEntriesReducer, {});
+    _this._headsIndex = heads.reduce(uniqueEntriesReducer, {}); // Index of all next pointers in this log
 
-    // Index of all next pointers in this log
     _this._nextsIndex = {};
+
     var addToNextsIndex = function addToNextsIndex(e) {
       return e.next.forEach(function (a) {
         return _this._nextsIndex[a] = e.hash;
       });
     };
-    entries.forEach(addToNextsIndex);
 
-    // Set the length, we calculate the length manually internally
-    _this._length = entries ? entries.length : 0;
+    entries.forEach(addToNextsIndex); // Set the length, we calculate the length manually internally
 
-    // Set the clock
-    var maxTime = Math.max(clock ? clock.time : 0, _this.heads.reduce(maxClockTimeReducer, 0));
-    // Take the given key as the clock id is it's a Key instance,
+    _this._length = entries.length; // Set the clock
+
+    var maxTime = Math.max(clock ? clock.time : 0, _this.heads.reduce(maxClockTimeReducer, 0)); // Take the given key as the clock id is it's a Key instance,
     // otherwise if key was given, take whatever it is,
     // and if it was null, take the given id as the clock id
+
     _this._clock = new Clock(_this._identity.publicKey, maxTime);
     return _this;
   }
-
   /**
    * Returns the ID of the log
    * @returns {string}
    */
 
 
-  (0, _createClass3.default)(Log, [{
-    key: 'get',
-
+  (0, _createClass2.default)(Log, [{
+    key: "get",
 
     /**
      * Find an entry
@@ -193,70 +167,59 @@ var Log = function (_GSet) {
       return this._entryIndex[hash];
     }
   }, {
-    key: 'has',
+    key: "has",
     value: function has(entry) {
       return this._entryIndex[entry.hash || entry] !== undefined;
     }
   }, {
-    key: 'traverse',
+    key: "traverse",
     value: function traverse(rootEntries) {
       var _this2 = this;
 
       var amount = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : -1;
-
       // Sort the given given root entries and use as the starting stack
-      var stack = rootEntries.sort(LastWriteWins).reverse();
-      // Cache for checking if we've processed an entry already
-      var traversed = {};
-      // End result
-      var result = {};
-      // We keep a counter to check if we have traversed requested amount of entries
-      var count = 0;
+      var stack = rootEntries.sort(LastWriteWins).reverse(); // Cache for checking if we've processed an entry already
+
+      var traversed = {}; // End result
+
+      var result = {}; // We keep a counter to check if we have traversed requested amount of entries
+
+      var count = 0; // Named function for getting an entry from the log
 
-      // Named function for getting an entry from the log
       var getEntry = function getEntry(e) {
         return _this2.get(e);
-      };
+      }; // Add an entry to the stack and traversed nodes index
+
 
-      // Add an entry to the stack and traversed nodes index
       var addToStack = function addToStack(entry) {
         // If we've already processed the entry, don't add it to the stack
-        if (traversed[entry.hash]) {
+        if (!entry || traversed[entry.hash]) {
           return;
-        }
+        } // Add the entry in front of the stack and sort
 
-        // Add the entry in front of the stack and sort
-        stack = [entry].concat((0, _toConsumableArray3.default)(stack)).sort(LastWriteWins).reverse();
 
-        // Add to the cache of processed entries
-        traversed[entry.hash] = true;
-      };
+        stack = [entry].concat((0, _toConsumableArray2.default)(stack)).sort(LastWriteWins).reverse(); // Add to the cache of processed entries
 
-      // Start traversal
+        traversed[entry.hash] = true;
+      }; // Start traversal
       // Process stack until it's empty (traversed the full log)
       // or when we have the requested amount of entries
       // If requested entry amount is -1, traverse all
+
+
       while (stack.length > 0 && (amount === -1 || count < amount)) {
         // eslint-disable-line no-unmodified-loop-condition
         // Get the next element from the stack
-        var entry = stack.shift();
-
-        // Is the stack empty?
-        if (!entry) {
-          return;
-        }
+        var entry = stack.shift(); // Add to the result
 
-        // Add to the result
         count++;
-        result[entry.hash] = entry;
+        result[entry.hash] = entry; // Add entry's next references to the stack
 
-        // Add entry's next references to the stack
         entry.next.map(getEntry).filter(isDefined).forEach(addToStack);
       }
 
       return result;
     }
-
     /**
      * Append an entry to the log
      * @param  {Entry} entry Entry to add
@@ -264,74 +227,76 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'append',
+    key: "append",
     value: function () {
-      var _ref = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee(data) {
+      var _append = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee(data) {
         var _this3 = this;
 
-        var pointerCount = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
-        var newTime, references, nexts, entry, canAppend;
-        return _regenerator2.default.wrap(function _callee$(_context) {
+        var pointerCount,
+            newTime,
+            references,
+            nexts,
+            entry,
+            canAppend,
+            _args = arguments;
+        return _regenerator.default.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
+                pointerCount = _args.length > 1 && _args[1] !== undefined ? _args[1] : 1;
                 // Update the clock (find the latest clock)
                 newTime = Math.max(this.clock.time, this.heads.reduce(maxClockTimeReducer, 0)) + 1;
+                this._clock = new Clock(this.clock.id, newTime); // Get the required amount of hashes to next entries (as per current state of the log)
 
-                this._clock = new Clock(this.clock.id, newTime);
-
-                // Get the required amount of hashes to next entries (as per current state of the log)
                 references = this.traverse(this.heads, Math.max(pointerCount, this.heads.length));
-                nexts = (0, _keys2.default)((0, _assign2.default)({}, this._headsIndex, references));
-
-                // @TODO: Split Entry.create into creating object, checking permission, signing and then posting to IPFS
+                nexts = Object.keys(Object.assign({}, this._headsIndex, references)); // @TODO: Split Entry.create into creating object, checking permission, signing and then posting to IPFS
                 // Create the entry and add it to the internal cache
 
-                _context.next = 6;
+                _context.next = 7;
                 return Entry.create(this._storage, this._identity, this.id, data, nexts, this.clock);
 
-              case 6:
+              case 7:
                 entry = _context.sent;
-                _context.next = 9;
+                _context.next = 10;
                 return this._access.canAppend(entry, this._identity.provider);
 
-              case 9:
+              case 10:
                 canAppend = _context.sent;
 
                 if (canAppend) {
-                  _context.next = 12;
+                  _context.next = 13;
                   break;
                 }
 
-                throw new Error('Could not append entry, key "' + this._identity.id + '" is not allowed to write to the log');
-
-              case 12:
+                throw new Error("Could not append entry, key \"".concat(this._identity.id, "\" is not allowed to write to the log"));
 
+              case 13:
                 this._entryIndex[entry.hash] = entry;
                 nexts.forEach(function (e) {
                   return _this3._nextsIndex[e] = entry.hash;
                 });
                 this._headsIndex = {};
-                this._headsIndex[entry.hash] = entry;
-                // Update the length
+                this._headsIndex[entry.hash] = entry; // Update the length
+
                 this._length++;
-                return _context.abrupt('return', entry);
+                return _context.abrupt("return", entry);
 
-              case 18:
-              case 'end':
+              case 19:
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function append(_x3) {
-        return _ref.apply(this, arguments);
+      function append(_x) {
+        return _append.apply(this, arguments);
       }
 
       return append;
     }()
-
     /**
      * Join two logs
      *
@@ -349,52 +314,70 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'join',
+    key: "join",
     value: function () {
-      var _ref2 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee4(log) {
+      var _join = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee4(log) {
         var _this4 = this;
 
-        var size = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : -1;
-        var newItems, identityProvider, permitted, verify, entriesToJoin, addToNextsIndex, notReferencedByNewItems, notInCurrentNexts, nextsFromNewItems, mergedHeads, tmp, maxClock;
-        return _regenerator2.default.wrap(function _callee4$(_context4) {
+        var size,
+            newItems,
+            identityProvider,
+            permitted,
+            verify,
+            entriesToJoin,
+            addToNextsIndex,
+            notReferencedByNewItems,
+            notInCurrentNexts,
+            nextsFromNewItems,
+            mergedHeads,
+            tmp,
+            maxClock,
+            _args4 = arguments;
+        return _regenerator.default.wrap(function _callee4$(_context4) {
           while (1) {
             switch (_context4.prev = _context4.next) {
               case 0:
+                size = _args4.length > 1 && _args4[1] !== undefined ? _args4[1] : -1;
+
                 if (isDefined(log)) {
-                  _context4.next = 2;
+                  _context4.next = 3;
                   break;
                 }
 
                 throw LogError.LogNotDefinedError();
 
-              case 2:
+              case 3:
                 if (Log.isLog(log)) {
-                  _context4.next = 4;
+                  _context4.next = 5;
                   break;
                 }
 
                 throw LogError.NotALogError();
 
-              case 4:
+              case 5:
                 if (!(this.id !== log.id)) {
-                  _context4.next = 6;
+                  _context4.next = 7;
                   break;
                 }
 
-                return _context4.abrupt('return');
-
-              case 6:
+                return _context4.abrupt("return");
 
+              case 7:
                 // Get the difference of the logs
                 newItems = Log.difference(log, this);
-                identityProvider = this._identity.provider;
-                // Verify if entries are allowed to be added to the log and throws if
+                identityProvider = this._identity.provider; // Verify if entries are allowed to be added to the log and throws if
                 // there's an invalid entry
 
-                permitted = function () {
-                  var _ref3 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee2(entry) {
+                permitted =
+                /*#__PURE__*/
+                function () {
+                  var _ref = (0, _asyncToGenerator2.default)(
+                  /*#__PURE__*/
+                  _regenerator.default.mark(function _callee2(entry) {
                     var canAppend;
-                    return _regenerator2.default.wrap(function _callee2$(_context2) {
+                    return _regenerator.default.wrap(function _callee2$(_context2) {
                       while (1) {
                         switch (_context2.prev = _context2.next) {
                           case 0:
@@ -409,28 +392,30 @@ var Log = function (_GSet) {
                               break;
                             }
 
-                            throw new Error('Append not permitted');
+                            throw new Error("Could not append entry, key \"".concat(entry.identity.id, "\" is not allowed to write to the log"));
 
                           case 5:
-                          case 'end':
+                          case "end":
                             return _context2.stop();
                         }
                       }
-                    }, _callee2, _this4);
+                    }, _callee2, this);
                   }));
 
-                  return function permitted(_x6) {
-                    return _ref3.apply(this, arguments);
+                  return function permitted(_x3) {
+                    return _ref.apply(this, arguments);
                   };
-                }();
+                }(); // Verify signature for each entry and throws if there's an invalid signature
 
-                // Verify signature for each entry and throws if there's an invalid signature
 
-
-                verify = function () {
-                  var _ref4 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee3(entry) {
+                verify =
+                /*#__PURE__*/
+                function () {
+                  var _ref2 = (0, _asyncToGenerator2.default)(
+                  /*#__PURE__*/
+                  _regenerator.default.mark(function _callee3(entry) {
                     var isValid, publicKey;
-                    return _regenerator2.default.wrap(function _callee3$(_context3) {
+                    return _regenerator.default.wrap(function _callee3$(_context3) {
                       while (1) {
                         switch (_context3.prev = _context3.next) {
                           case 0:
@@ -446,46 +431,49 @@ var Log = function (_GSet) {
                               break;
                             }
 
-                            throw new Error('Could not validate signature "' + entry.sig + '" for entry "' + entry.hash + '" and key "' + publicKey + '"');
+                            throw new Error("Could not validate signature \"".concat(entry.sig, "\" for entry \"").concat(entry.hash, "\" and key \"").concat(publicKey, "\""));
 
                           case 6:
-                          case 'end':
+                          case "end":
                             return _context3.stop();
                         }
                       }
-                    }, _callee3, _this4);
+                    }, _callee3, this);
                   }));
 
-                  return function verify(_x7) {
-                    return _ref4.apply(this, arguments);
+                  return function verify(_x4) {
+                    return _ref2.apply(this, arguments);
                   };
                 }();
 
-                entriesToJoin = (0, _values2.default)(newItems);
-                _context4.next = 13;
-                return pMap(entriesToJoin, permitted, { concurrency: 1 });
-
-              case 13:
-                _context4.next = 15;
-                return pMap(entriesToJoin, verify, { concurrency: 1 });
+                entriesToJoin = Object.values(newItems);
+                _context4.next = 14;
+                return pMap(entriesToJoin, permitted, {
+                  concurrency: 1
+                });
 
-              case 15:
+              case 14:
+                _context4.next = 16;
+                return pMap(entriesToJoin, verify, {
+                  concurrency: 1
+                });
 
+              case 16:
                 // Update the internal next pointers index
                 addToNextsIndex = function addToNextsIndex(e) {
                   var entry = _this4.get(e.hash);
+
                   if (!entry) _this4._length++;
+                  /* istanbul ignore else */
+
                   e.next.forEach(function (a) {
                     return _this4._nextsIndex[a] = e.hash;
                   });
                 };
 
-                (0, _values2.default)(newItems).forEach(addToNextsIndex);
-
-                // Update the internal entry index
-                this._entryIndex = (0, _assign2.default)(this._entryIndex, newItems);
+                Object.values(newItems).forEach(addToNextsIndex); // Update the internal entry index
 
-                // Merge the heads
+                this._entryIndex = Object.assign(this._entryIndex, newItems); // Merge the heads
 
                 notReferencedByNewItems = function notReferencedByNewItems(e) {
                   return !nextsFromNewItems.find(function (a) {
@@ -497,60 +485,55 @@ var Log = function (_GSet) {
                   return !_this4._nextsIndex[e.hash];
                 };
 
-                nextsFromNewItems = (0, _values2.default)(newItems).map(getNextPointers).reduce(flatMap, []);
-                mergedHeads = Log.findHeads((0, _values2.default)((0, _assign2.default)({}, this._headsIndex, log._headsIndex))).filter(notReferencedByNewItems).filter(notInCurrentNexts).reduce(uniqueEntriesReducer, {});
+                nextsFromNewItems = Object.values(newItems).map(getNextPointers).reduce(flatMap, []);
+                mergedHeads = Log.findHeads(Object.values(Object.assign({}, this._headsIndex, log._headsIndex))).filter(notReferencedByNewItems).filter(notInCurrentNexts).reduce(uniqueEntriesReducer, {});
+                this._headsIndex = mergedHeads; // Slice to the requested size
 
-
-                this._headsIndex = mergedHeads;
-
-                // Slice to the requested size
                 if (size > -1) {
                   tmp = this.values;
-
                   tmp = tmp.slice(-size);
                   this._entryIndex = tmp.reduce(uniqueEntriesReducer, {});
                   this._headsIndex = Log.findHeads(tmp);
-                  this._length = (0, _values2.default)(this._entryIndex).length;
-                }
+                  this._length = Object.values(this._entryIndex).length;
+                } // Find the latest clock from the heads
 
-                // Find the latest clock from the heads
-                maxClock = (0, _values2.default)(this._headsIndex).reduce(maxClockTimeReducer, 0);
 
+                maxClock = Object.values(this._headsIndex).reduce(maxClockTimeReducer, 0);
                 this._clock = new Clock(this.clock.id, Math.max(this.clock.time, maxClock));
-                return _context4.abrupt('return', this);
+                return _context4.abrupt("return", this);
 
-              case 27:
-              case 'end':
+              case 28:
+              case "end":
                 return _context4.stop();
             }
           }
         }, _callee4, this);
       }));
 
-      function join(_x5) {
-        return _ref2.apply(this, arguments);
+      function join(_x2) {
+        return _join.apply(this, arguments);
       }
 
       return join;
     }()
-
     /**
      * Get the log in JSON format
      * @returns {Object<{heads}>}
      */
 
   }, {
-    key: 'toJSON',
+    key: "toJSON",
     value: function toJSON() {
       return {
         id: this.id,
         heads: this.heads.sort(LastWriteWins) // default sorting
         .reverse() // we want the latest as the first element
         .map(getHash) // return only the head hashes
+
       };
     }
   }, {
-    key: 'toSnapshot',
+    key: "toSnapshot",
     value: function toSnapshot() {
       return {
         id: this.id,
@@ -564,11 +547,10 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'toBuffer',
+    key: "toBuffer",
     value: function toBuffer() {
-      return Buffer.from((0, _stringify2.default)(this.toJSON()));
+      return Buffer.from(JSON.stringify(this.toJSON()));
     }
-
     /**
      * Returns the log entries as a formatted string
      * @example
@@ -579,7 +561,7 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'toString',
+    key: "toString",
     value: function toString(payloadMapper) {
       var _this5 = this;
 
@@ -589,10 +571,11 @@ var Log = function (_GSet) {
         var padding = new Array(Math.max(len - 1, 0));
         padding = len > 1 ? padding.fill('  ') : padding;
         padding = len > 0 ? padding.concat(['└─']) : padding;
+        /* istanbul ignore next */
+
         return padding.join('') + (payloadMapper ? payloadMapper(e.payload) : e.payload);
       }).join('\n');
     }
-
     /**
      * Check whether an object is a Log instance
      * @param {Object} log An object to check
@@ -600,8 +583,7 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'toMultihash',
-
+    key: "toMultihash",
 
     /**
      * Get the log's multihash
@@ -610,7 +592,6 @@ var Log = function (_GSet) {
     value: function toMultihash() {
       return LogIO.toMultihash(this._storage, this);
     }
-
     /**
      * Create a log from multihash
      * @param {IPFS}   ipfs        An IPFS instance
@@ -621,55 +602,50 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'id',
+    key: "id",
     get: function get() {
       return this._id;
     }
-
     /**
      * Returns the clock of the log
      * @returns {string}
      */
 
   }, {
-    key: 'clock',
+    key: "clock",
     get: function get() {
       return this._clock;
     }
-
     /**
      * Returns the length of the log
      * @return {Number} Length
      */
 
   }, {
-    key: 'length',
+    key: "length",
     get: function get() {
       return this._length;
     }
-
     /**
      * Returns the values in the log
      * @returns {Array<Entry>}
      */
 
   }, {
-    key: 'values',
+    key: "values",
     get: function get() {
-      return (0, _values2.default)(this.traverse(this.heads)).reverse();
+      return Object.values(this.traverse(this.heads)).reverse();
     }
-
     /**
      * Returns an array of heads as multihashes
      * @returns {Array<string>}
      */
 
   }, {
-    key: 'heads',
+    key: "heads",
     get: function get() {
-      return (0, _values2.default)(this._headsIndex).sort(LastWriteWins).reverse() || [];
+      return Object.values(this._headsIndex).sort(LastWriteWins).reverse();
     }
-
     /**
      * Returns an array of Entry objects that reference entries which
      * are not in the log currently
@@ -677,11 +653,10 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'tails',
+    key: "tails",
     get: function get() {
       return Log.findTails(this.values);
     }
-
     /**
      * Returns an array of multihashes that are referenced by entries which
      * are not in the log currently
@@ -689,65 +664,71 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'tailHashes',
+    key: "tailHashes",
     get: function get() {
       return Log.findTailHashes(this.values);
     }
   }], [{
-    key: 'isLog',
+    key: "isLog",
     value: function isLog(log) {
       return log.id !== undefined && log.heads !== undefined && log._entryIndex !== undefined;
     }
   }, {
-    key: 'fromMultihash',
+    key: "fromMultihash",
     value: function () {
-      var _ref5 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee5(ipfs, access, identity, hash) {
-        var length = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : -1;
-        var exclude = arguments[5];
-        var onProgressCallback = arguments[6];
-        var data;
-        return _regenerator2.default.wrap(function _callee5$(_context5) {
+      var _fromMultihash = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee5(ipfs, access, identity, hash) {
+        var length,
+            exclude,
+            onProgressCallback,
+            data,
+            _args5 = arguments;
+        return _regenerator.default.wrap(function _callee5$(_context5) {
           while (1) {
             switch (_context5.prev = _context5.next) {
               case 0:
+                length = _args5.length > 4 && _args5[4] !== undefined ? _args5[4] : -1;
+                exclude = _args5.length > 5 ? _args5[5] : undefined;
+                onProgressCallback = _args5.length > 6 ? _args5[6] : undefined;
+
                 if (isDefined(ipfs)) {
-                  _context5.next = 2;
+                  _context5.next = 5;
                   break;
                 }
 
                 throw LogError.IPFSNotDefinedError();
 
-              case 2:
+              case 5:
                 if (isDefined(hash)) {
-                  _context5.next = 4;
+                  _context5.next = 7;
                   break;
                 }
 
-                throw new Error('Invalid hash: ' + hash);
+                throw new Error("Invalid hash: ".concat(hash));
 
-              case 4:
-                _context5.next = 6;
+              case 7:
+                _context5.next = 9;
                 return LogIO.fromMultihash(ipfs, hash, length, exclude, onProgressCallback);
 
-              case 6:
+              case 9:
                 data = _context5.sent;
-                return _context5.abrupt('return', new Log(ipfs, access, identity, data.id, data.values, data.heads, data.clock));
+                return _context5.abrupt("return", new Log(ipfs, access, identity, data.id, data.values, data.heads, data.clock));
 
-              case 8:
-              case 'end':
+              case 11:
+              case "end":
                 return _context5.stop();
             }
           }
         }, _callee5, this);
       }));
 
-      function fromMultihash(_x9, _x10, _x11, _x12) {
-        return _ref5.apply(this, arguments);
+      function fromMultihash(_x5, _x6, _x7, _x8) {
+        return _fromMultihash.apply(this, arguments);
       }
 
       return fromMultihash;
     }()
-
     /**
      * Create a log from a single entry's multihash
      * @param {IPFS}   ipfs        An IPFS instance
@@ -758,55 +739,61 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'fromEntryHash',
+    key: "fromEntryHash",
     value: function () {
-      var _ref6 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee6(ipfs, access, identity, hash, id) {
-        var length = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : -1;
-        var exclude = arguments[6];
-        var onProgressCallback = arguments[7];
-        var data;
-        return _regenerator2.default.wrap(function _callee6$(_context6) {
+      var _fromEntryHash = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee6(ipfs, access, identity, hash, id) {
+        var length,
+            exclude,
+            onProgressCallback,
+            data,
+            _args6 = arguments;
+        return _regenerator.default.wrap(function _callee6$(_context6) {
           while (1) {
             switch (_context6.prev = _context6.next) {
               case 0:
+                length = _args6.length > 5 && _args6[5] !== undefined ? _args6[5] : -1;
+                exclude = _args6.length > 6 ? _args6[6] : undefined;
+                onProgressCallback = _args6.length > 7 ? _args6[7] : undefined;
+
                 if (isDefined(ipfs)) {
-                  _context6.next = 2;
+                  _context6.next = 5;
                   break;
                 }
 
                 throw LogError.IPFSNotDefinedError();
 
-              case 2:
+              case 5:
                 if (isDefined(hash)) {
-                  _context6.next = 4;
+                  _context6.next = 7;
                   break;
                 }
 
                 throw new Error("'hash' must be defined");
 
-              case 4:
-                _context6.next = 6;
+              case 7:
+                _context6.next = 9;
                 return LogIO.fromEntryHash(ipfs, hash, id, length, exclude, onProgressCallback);
 
-              case 6:
+              case 9:
                 data = _context6.sent;
-                return _context6.abrupt('return', new Log(ipfs, access, identity, id, data.values));
+                return _context6.abrupt("return", new Log(ipfs, access, identity, id, data.values));
 
-              case 8:
-              case 'end':
+              case 11:
+              case "end":
                 return _context6.stop();
             }
           }
         }, _callee6, this);
       }));
 
-      function fromEntryHash(_x14, _x15, _x16, _x17, _x18) {
-        return _ref6.apply(this, arguments);
+      function fromEntryHash(_x9, _x10, _x11, _x12, _x13) {
+        return _fromEntryHash.apply(this, arguments);
       }
 
       return fromEntryHash;
     }()
-
     /**
      * Create a log from a Log Snapshot JSON
      * @param {IPFS} ipfs          An IPFS instance
@@ -817,47 +804,53 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'fromJSON',
+    key: "fromJSON",
     value: function () {
-      var _ref7 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee7(ipfs, access, identity, json) {
-        var length = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : -1;
-        var timeout = arguments[5];
-        var onProgressCallback = arguments[6];
-        var data;
-        return _regenerator2.default.wrap(function _callee7$(_context7) {
+      var _fromJSON = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee7(ipfs, access, identity, json) {
+        var length,
+            timeout,
+            onProgressCallback,
+            data,
+            _args7 = arguments;
+        return _regenerator.default.wrap(function _callee7$(_context7) {
           while (1) {
             switch (_context7.prev = _context7.next) {
               case 0:
+                length = _args7.length > 4 && _args7[4] !== undefined ? _args7[4] : -1;
+                timeout = _args7.length > 5 ? _args7[5] : undefined;
+                onProgressCallback = _args7.length > 6 ? _args7[6] : undefined;
+
                 if (isDefined(ipfs)) {
-                  _context7.next = 2;
+                  _context7.next = 5;
                   break;
                 }
 
                 throw LogError.IPFSNotDefinedError();
 
-              case 2:
-                _context7.next = 4;
+              case 5:
+                _context7.next = 7;
                 return LogIO.fromJSON(ipfs, json, length, timeout, onProgressCallback);
 
-              case 4:
+              case 7:
                 data = _context7.sent;
-                return _context7.abrupt('return', new Log(ipfs, access, identity, data.id, data.values));
+                return _context7.abrupt("return", new Log(ipfs, access, identity, data.id, data.values));
 
-              case 6:
-              case 'end':
+              case 9:
+              case "end":
                 return _context7.stop();
             }
           }
         }, _callee7, this);
       }));
 
-      function fromJSON(_x20, _x21, _x22, _x23) {
-        return _ref7.apply(this, arguments);
+      function fromJSON(_x14, _x15, _x16, _x17) {
+        return _fromJSON.apply(this, arguments);
       }
 
       return fromJSON;
     }()
-
     /**
      * Create a new log from an Entry instance
      * @param {IPFS}                ipfs          An IPFS instance
@@ -869,55 +862,61 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'fromEntry',
+    key: "fromEntry",
     value: function () {
-      var _ref8 = (0, _asyncToGenerator3.default)( /*#__PURE__*/_regenerator2.default.mark(function _callee8(ipfs, access, identity, sourceEntries) {
-        var length = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : -1;
-        var exclude = arguments[5];
-        var onProgressCallback = arguments[6];
-        var data;
-        return _regenerator2.default.wrap(function _callee8$(_context8) {
+      var _fromEntry = (0, _asyncToGenerator2.default)(
+      /*#__PURE__*/
+      _regenerator.default.mark(function _callee8(ipfs, access, identity, sourceEntries) {
+        var length,
+            exclude,
+            onProgressCallback,
+            data,
+            _args8 = arguments;
+        return _regenerator.default.wrap(function _callee8$(_context8) {
           while (1) {
             switch (_context8.prev = _context8.next) {
               case 0:
+                length = _args8.length > 4 && _args8[4] !== undefined ? _args8[4] : -1;
+                exclude = _args8.length > 5 ? _args8[5] : undefined;
+                onProgressCallback = _args8.length > 6 ? _args8[6] : undefined;
+
                 if (isDefined(ipfs)) {
-                  _context8.next = 2;
+                  _context8.next = 5;
                   break;
                 }
 
                 throw LogError.IPFSNotDefinedError();
 
-              case 2:
+              case 5:
                 if (isDefined(sourceEntries)) {
-                  _context8.next = 4;
+                  _context8.next = 7;
                   break;
                 }
 
                 throw new Error("'sourceEntries' must be defined");
 
-              case 4:
-                _context8.next = 6;
+              case 7:
+                _context8.next = 9;
                 return LogIO.fromEntry(ipfs, sourceEntries, length, exclude, onProgressCallback);
 
-              case 6:
+              case 9:
                 data = _context8.sent;
-                return _context8.abrupt('return', new Log(ipfs, access, identity, data.id, data.values));
+                return _context8.abrupt("return", new Log(ipfs, access, identity, data.id, data.values));
 
-              case 8:
-              case 'end':
+              case 11:
+              case "end":
                 return _context8.stop();
             }
           }
         }, _callee8, this);
       }));
 
-      function fromEntry(_x25, _x26, _x27, _x28) {
-        return _ref8.apply(this, arguments);
+      function fromEntry(_x18, _x19, _x20, _x21) {
+        return _fromEntry.apply(this, arguments);
       }
 
       return fromEntry;
     }()
-
     /**
      * Find heads from a collection of entries
      *
@@ -930,12 +929,13 @@ var Log = function (_GSet) {
      */
 
   }, {
-    key: 'findHeads',
+    key: "findHeads",
     value: function findHeads(entries) {
       var indexReducer = function indexReducer(res, entry, idx, arr) {
         var addToResult = function addToResult(e) {
           return res[e] = entry.hash;
         };
+
         entry.next.forEach(addToResult);
         return res;
       };
@@ -945,60 +945,62 @@ var Log = function (_GSet) {
       var exists = function exists(e) {
         return items[e.hash] === undefined;
       };
+
       var compareIds = function compareIds(a, b) {
         return a.clock.id > b.clock.id;
       };
 
       return entries.filter(exists).sort(compareIds);
-    }
-
-    // Find entries that point to another entry that is not in the
+    } // Find entries that point to another entry that is not in the
     // input array
 
   }, {
-    key: 'findTails',
+    key: "findTails",
     value: function findTails(entries) {
       // Reverse index { next -> entry }
-      var reverseIndex = {};
-      // Null index containing entries that have no parents (nexts)
-      var nullIndex = [];
-      // Hashes for all entries for quick lookups
-      var hashes = {};
-      // Hashes of all next entries
+      var reverseIndex = {}; // Null index containing entries that have no parents (nexts)
+
+      var nullIndex = []; // Hashes for all entries for quick lookups
+
+      var hashes = {}; // Hashes of all next entries
+
       var nexts = [];
 
       var addToIndex = function addToIndex(e) {
         if (e.next.length === 0) {
           nullIndex.push(e);
         }
+
         var addToReverseIndex = function addToReverseIndex(a) {
           /* istanbul ignore else */
           if (!reverseIndex[a]) reverseIndex[a] = [];
           reverseIndex[a].push(e);
-        };
+        }; // Add all entries and their parents to the reverse index
+
+
+        e.next.forEach(addToReverseIndex); // Get all next references
+
+        nexts = nexts.concat(e.next); // Get the hashes of input entries
 
-        // Add all entries and their parents to the reverse index
-        e.next.forEach(addToReverseIndex);
-        // Get all next references
-        nexts = nexts.concat(e.next);
-        // Get the hashes of input entries
         hashes[e.hash] = true;
-      };
+      }; // Create our indices
+
 
-      // Create our indices
       entries.forEach(addToIndex);
 
       var addUniques = function addUniques(res, entries, idx, arr) {
         return res.concat(findUniques(entries, 'hash'));
       };
+
       var exists = function exists(e) {
         return hashes[e] === undefined;
       };
+
       var findFromReverseIndex = function findFromReverseIndex(e) {
         return reverseIndex[e];
-      };
+      }; // Drop hashes that are not in the input entries
+
 
-      // Drop hashes that are not in the input entries
       var tails = nexts // For every multihash in nexts:
       .filter(exists) // Remove undefineds and nulls
       .map(findFromReverseIndex) // Get the Entry from the reverse index
@@ -1006,18 +1008,18 @@ var Log = function (_GSet) {
       .concat(nullIndex); // Combine with tails the have no next refs (ie. first-in-their-chain)
 
       return findUniques(tails, 'hash').sort(Entry.compare);
-    }
-
-    // Find the hashes to entries that are not in a collection
+    } // Find the hashes to entries that are not in a collection
     // but referenced by other entries
 
   }, {
-    key: 'findTailHashes',
+    key: "findTailHashes",
     value: function findTailHashes(entries) {
       var hashes = {};
+
       var addToIndex = function addToIndex(e) {
         return hashes[e.hash] = true;
       };
+
       var reduceTailHashes = function reduceTailHashes(res, entry, idx, arr) {
         var addToResult = function addToResult(e) {
           /* istanbul ignore else */
@@ -1025,6 +1027,7 @@ var Log = function (_GSet) {
             res.splice(0, 0, e);
           }
         };
+
         entry.next.reverse().forEach(addToResult);
         return res;
       };
@@ -1033,9 +1036,9 @@ var Log = function (_GSet) {
       return entries.reduce(reduceTailHashes, []);
     }
   }, {
-    key: 'difference',
+    key: "difference",
     value: function difference(a, b) {
-      var stack = (0, _keys2.default)(a._headsIndex);
+      var stack = Object.keys(a._headsIndex);
       var traversed = {};
       var res = {};
 
@@ -1049,12 +1052,14 @@ var Log = function (_GSet) {
       while (stack.length > 0) {
         var hash = stack.shift();
         var entry = a.get(hash);
+
         if (entry && !b.get(hash) && entry.id === b.id) {
           res[entry.hash] = entry;
           traversed[entry.hash] = true;
           entry.next.forEach(pushToStack);
         }
       }
+
       return res;
     }
   }]);
@@ -1062,5 +1067,4 @@ var Log = function (_GSet) {
 }(GSet);
 
 module.exports = Log;
-module.exports.AccessController = AccessController;
-module.exports.IdentityProvider = IdentityProvider;
\ No newline at end of file
+module.exports.AccessController = AccessController;
\ No newline at end of file
diff --git a/lib/es5/utils/difference.js b/lib/es5/utils/difference.js
index a47b1152..150dd815 100644
--- a/lib/es5/utils/difference.js
+++ b/lib/es5/utils/difference.js
@@ -3,22 +3,23 @@
 function difference(a, b, key) {
   // Indices for quick lookups
   var processed = {};
-  var existing = {};
+  var existing = {}; // Create an index of the first collection
 
-  // Create an index of the first collection
   var addToIndex = function addToIndex(e) {
     return existing[key ? e[key] : e] = true;
   };
-  a.forEach(addToIndex);
 
-  // Reduce to entries that are not in the first collection
+  a.forEach(addToIndex); // Reduce to entries that are not in the first collection
+
   var reducer = function reducer(res, entry) {
     var isInFirst = existing[key ? entry[key] : entry] !== undefined;
     var hasBeenProcessed = processed[key ? entry[key] : entry] !== undefined;
+
     if (!isInFirst && !hasBeenProcessed) {
       res.push(entry);
       processed[key ? entry[key] : entry] = true;
     }
+
     return res;
   };
 
diff --git a/lib/es5/utils/find-uniques.js b/lib/es5/utils/find-uniques.js
index 917e3004..9b0ae35f 100644
--- a/lib/es5/utils/find-uniques.js
+++ b/lib/es5/utils/find-uniques.js
@@ -1,22 +1,19 @@
 'use strict';
 
-var _keys = require('babel-runtime/core-js/object/keys');
-
-var _keys2 = _interopRequireDefault(_keys);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
 function findUniques(value, key) {
   // Create an index of the collection
   var uniques = {};
+
   var get = function get(e) {
     return uniques[e];
   };
+
   var addToIndex = function addToIndex(e) {
     return uniques[key ? e[key] : e] = e;
   };
+
   value.forEach(addToIndex);
-  return (0, _keys2.default)(uniques).map(get);
+  return Object.keys(uniques).map(get);
 }
 
 module.exports = findUniques;
\ No newline at end of file
diff --git a/lib/es5/utils/index.js b/lib/es5/utils/index.js
index 742f33b1..e524fbc3 100644
--- a/lib/es5/utils/index.js
+++ b/lib/es5/utils/index.js
@@ -1,13 +1,13 @@
 'use strict';
 
 var difference = require('./difference');
+
 var findUniques = require('./find-uniques');
-var intersection = require('./intersection');
+
 var isDefined = require('./is-defined');
 
 module.exports = {
   difference: difference,
   findUniques: findUniques,
-  intersection: intersection,
   isDefined: isDefined
 };
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index ad0a9b1e..738142f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,1178 +4,1445 @@
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   "requires": true,
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-      "integrity": "sha1-uxEk3I184LxdodZorOWBSSWO8gs=",
+    "@babel/cli": {
+      "version": "7.2.3",
+      "resolved": "https://registry.npmjs.org/@babel/cli/-/cli-7.2.3.tgz",
+      "integrity": "sha512-bfna97nmJV6nDJhXNPeEfxyMjWnt6+IjUAaDPiYRTBlm8L41n8nvw6UAqUCbvpFfU246gHPxW7sfWwqtF4FcYA==",
       "dev": true,
       "requires": {
-        "lodash": "^4.15.0"
+        "chokidar": "^2.0.3",
+        "commander": "^2.8.1",
+        "convert-source-map": "^1.1.0",
+        "fs-readdir-recursive": "^1.1.0",
+        "glob": "^7.0.0",
+        "lodash": "^4.17.10",
+        "mkdirp": "^0.5.1",
+        "output-file-sync": "^2.0.0",
+        "slash": "^2.0.0",
+        "source-map": "^0.5.0"
       }
     },
-    "@orbitdb/eslint-config-orbitdb": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/@orbitdb/eslint-config-orbitdb/-/eslint-config-orbitdb-0.0.2.tgz",
-      "integrity": "sha512-D1wSyvxSX6Ksw1j6FtO1/7x0XZ9NIkBIGzG8wCxkI/t2xS+eX9S8V9x3HKV764fETTCBOmccg8dZfz4fBKT5Fw==",
-      "dev": true
-    },
-    "File": {
-      "version": "0.10.2",
-      "resolved": "https://registry.npmjs.org/File/-/File-0.10.2.tgz",
-      "integrity": "sha1-6Jn3dtJz4iQ7qGEFuzsFbQ+5VgQ=",
+    "@babel/code-frame": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
+      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
       "dev": true,
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-        "mime": ">= 0.0.0"
+        "@babel/highlight": "^7.0.0"
       }
     },
-    "FileList": {
-      "version": "0.10.2",
-      "resolved": "https://registry.npmjs.org/FileList/-/FileList-0.10.2.tgz",
-      "integrity": "sha1-YAOxqXFZNBZLZ8Q0rWqHQaHNFHo=",
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       "dev": true,
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+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.2.2",
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+    "@babel/helper-builder-binary-assignment-operator-visitor": {
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-            "pify": "^2.0.0"
-          }
-        },
-        "pify": {
-          "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
-          "dev": true
-        },
-        "read-pkg": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
-          "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
-          "dev": true,
-          "requires": {
-            "load-json-file": "^2.0.0",
-            "normalize-package-data": "^2.3.2",
-            "path-type": "^2.0.0"
-          }
-        },
-        "read-pkg-up": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-2.0.0.tgz",
-          "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
-          "dev": true,
-          "requires": {
-            "find-up": "^2.0.0",
-            "read-pkg": "^2.0.0"
-          }
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          },
-          "dependencies": {
-            "is-fullwidth-code-point": {
-              "version": "2.0.0",
-              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-              "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
-              "dev": true
-            },
-            "strip-ansi": {
-              "version": "4.0.0",
-              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-              "dev": true,
-              "requires": {
-                "ansi-regex": "^3.0.0"
-              }
-            }
-          }
-        },
-        "supports-color": {
-          "version": "4.5.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
-          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
-          "dev": true,
-          "requires": {
-            "has-flag": "^2.0.0"
-          }
-        },
-        "uglify-js": {
-          "version": "2.8.29",
-          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
-          "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
-          "dev": true,
-          "requires": {
-            "source-map": "~0.5.1",
-            "uglify-to-browserify": "~1.0.0",
-            "yargs": "~3.10.0"
-          },
-          "dependencies": {
-            "yargs": {
-              "version": "3.10.0",
-              "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
-              "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
-              "dev": true,
-              "requires": {
-                "camelcase": "^1.0.2",
-                "cliui": "^2.1.0",
-                "decamelize": "^1.0.0",
-                "window-size": "0.1.0"
-              }
-            }
-          }
-        },
-        "uglifyjs-webpack-plugin": {
-          "version": "0.4.6",
-          "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-0.4.6.tgz",
-          "integrity": "sha1-uVH0q7a9YX5m9j64kUmOORdj4wk=",
-          "dev": true,
-          "requires": {
-            "source-map": "^0.5.6",
-            "uglify-js": "^2.8.29",
-            "webpack-sources": "^1.0.1"
-          }
-        },
-        "wordwrap": {
-          "version": "0.0.2",
-          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
-          "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8=",
-          "dev": true
-        },
-        "y18n": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-          "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
-          "dev": true
-        },
-        "yargs": {
-          "version": "8.0.2",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-8.0.2.tgz",
-          "integrity": "sha1-YpmpBVsc78lp/355wdkY3Osiw2A=",
-          "dev": true,
-          "requires": {
-            "camelcase": "^4.1.0",
-            "cliui": "^3.2.0",
-            "decamelize": "^1.1.1",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^2.0.0",
-            "read-pkg-up": "^2.0.0",
-            "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
-            "set-blocking": "^2.0.0",
-            "string-width": "^2.0.0",
-            "which-module": "^2.0.0",
-            "y18n": "^3.2.1",
-            "yargs-parser": "^7.0.0"
-          },
-          "dependencies": {
-            "camelcase": {
-              "version": "4.1.0",
-              "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
-              "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
-              "dev": true
-            },
-            "cliui": {
-              "version": "3.2.0",
-              "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
-              "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
-              "dev": true,
-              "requires": {
-                "string-width": "^1.0.1",
-                "strip-ansi": "^3.0.1",
-                "wrap-ansi": "^2.0.0"
-              },
-              "dependencies": {
-                "string-width": {
-                  "version": "1.0.2",
-                  "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-                  "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-                  "dev": true,
-                  "requires": {
-                    "code-point-at": "^1.0.0",
-                    "is-fullwidth-code-point": "^1.0.0",
-                    "strip-ansi": "^3.0.0"
-                  }
-                }
-              }
-            }
-          }
-        },
-        "yargs-parser": {
-          "version": "7.0.0",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-7.0.0.tgz",
-          "integrity": "sha1-jQrELxbqVd69MyyvTEA4s+P139k=",
-          "dev": true,
-          "requires": {
-            "camelcase": "^4.1.0"
-          },
-          "dependencies": {
-            "camelcase": {
-              "version": "4.1.0",
-              "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
-              "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
-              "dev": true
-            }
-          }
         }
       }
     },
+    "webpack-cli": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.1.2.tgz",
+      "integrity": "sha512-Cnqo7CeqeSvC6PTdts+dywNi5CRlIPbLx1AoUPK2T6vC1YAugMG3IOoO9DmEscd+Dghw7uRlnzV1KwOe5IrtgQ==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.4.1",
+        "cross-spawn": "^6.0.5",
+        "enhanced-resolve": "^4.1.0",
+        "global-modules-path": "^2.3.0",
+        "import-local": "^2.0.0",
+        "interpret": "^1.1.0",
+        "loader-utils": "^1.1.0",
+        "supports-color": "^5.5.0",
+        "v8-compile-cache": "^2.0.2",
+        "yargs": "^12.0.2"
+      }
+    },
     "webpack-sources": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.3.0.tgz",
@@ -15190,12 +14344,6 @@
         "bs58check": "<3.0.0"
       }
     },
-    "window-size": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
-      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=",
-      "dev": true
-    },
     "wordwrap": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
@@ -15346,12 +14494,6 @@
           "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
           "dev": true
         },
-        "camelcase": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.0.0.tgz",
-          "integrity": "sha512-faqwZqnWxbxn+F1d399ygeamQNy3lPp/H9H6rNrqYh4FSVCtcY+3cub1MxA8o9mDd55mM8Aghuu/kuyYA6VTsA==",
-          "dev": true
-        },
         "find-up": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
@@ -15419,26 +14561,17 @@
           "requires": {
             "ansi-regex": "^3.0.0"
           }
-        },
-        "yargs-parser": {
-          "version": "11.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-          "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
-          "dev": true,
-          "requires": {
-            "camelcase": "^5.0.0",
-            "decamelize": "^1.2.0"
-          }
         }
       }
     },
     "yargs-parser": {
-      "version": "10.1.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
-      "integrity": "sha512-VCIyR1wJoEBZUqk5PA+oOBF6ypbwh5aNB3I50guxAL/quggdfs4TtNHQrSazFA3fYZ+tEqfs0zIGlv0c/rgjbQ==",
+      "version": "11.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
+      "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
       "dev": true,
       "requires": {
-        "camelcase": "^4.1.0"
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
       }
     },
     "yargs-promise": {
diff --git a/package.json b/package.json
index e37d27f1..ef91e3b1 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "url": "https://github.com/orbitdb/ipfs-log"
   },
   "engines": {
-    "node": ">=8.0.0"
+    "node": ">=10.0.0"
   },
   "dependencies": {
     "orbit-db-identity-provider": "github:orbitdb/orbit-db-identity-provider",
@@ -18,26 +18,30 @@
     "p-whilst": "^1.0.0"
   },
   "devDependencies": {
+    "@babel/cli": "^7.2.3",
+    "@babel/core": "^7.2.2",
+    "@babel/plugin-syntax-object-rest-spread": "^7.2.0",
+    "@babel/plugin-transform-modules-commonjs": "^7.2.0",
+    "@babel/plugin-transform-runtime": "^7.2.0",
+    "@babel/preset-env": "^7.2.0",
+    "@babel/runtime": "^7.2.0",
     "@orbitdb/eslint-config-orbitdb": "0.0.2",
-    "babel-cli": "^6.26.0",
-    "babel-core": "^6.26.0",
-    "babel-loader": "^8.0.2",
-    "babel-plugin-transform-runtime": "^6.23.0",
-    "babel-preset-env": "^1.6.1",
-    "datastore-level": "~0.8.0",
-    "go-ipfs-dep": "~0.4.17",
-    "ipfs": "~0.31.4",
-    "ipfs-repo": "~0.23.1",
-    "ipfsd-ctl": "~0.39.1",
+    "babel-loader": "^8.0.4",
+    "datastore-level": "^0.10.0",
+    "go-ipfs-dep": "^0.4.18",
+    "ipfs": "^0.33.1",
+    "ipfs-repo": "^0.26.0",
+    "ipfsd-ctl": "^0.40.2",
     "is-node": "^1.0.2",
     "istanbul": "^0.4.5",
+    "json-loader": "^0.5.7",
     "mocha": "^5.2.0",
-    "mocha-headless-chrome": "~2.0.1",
+    "mocha-headless-chrome": "^2.0.1",
     "orbit-db-keystore": "github:orbitdb/orbit-db-keystore",
     "rimraf": "^2.6.1",
     "standard": "^12.0.1",
-    "uglifyjs-webpack-plugin": "~1.3.0",
-    "webpack": "^3.10.0"
+    "webpack": "^4.28.0",
+    "webpack-cli": "^3.1.2"
   },
   "standard": {
     "env": "mocha",
@@ -48,10 +52,10 @@
     "test:coverage": "istanbul cover -x src/g-set.js _mocha",
     "test:browser": "npm run build:tests && mocha-headless-chrome -f ./test/browser/index.html",
     "build": "npm run build:es5 && npm run build:examples && npm run build:dist",
-    "build:tests": "webpack --config webpack.tests.config.js",
-    "build:examples": "webpack --config webpack.example.config.js --sort-modules-by size --define process.env.NODE_ENV=production",
-    "build:dist": "webpack --config webpack.config.js --display-modules --sort-modules-by size --define process.env.NODE_ENV=production",
-    "build:es5": "babel src --out-dir ./lib/es5/ --presets babel-preset-env --plugins babel-plugin-transform-runtime",
+    "build:tests": "webpack --config webpack.tests.config.js --mode production",
+    "build:examples": "webpack --config webpack.example.config.js --sort-modules-by size --mode production",
+    "build:dist": "webpack --config webpack.config.js --display-modules --sort-modules-by size --mode production",
+    "build:es5": "babel src --out-dir ./lib/es5/ --presets @babel/preset-env --plugins @babel/plugin-transform-runtime",
     "lint": "standard"
   }
 }
diff --git a/src/entry.js b/src/entry.js
index 0e7a34aa..536d8cda 100644
--- a/src/entry.js
+++ b/src/entry.js
@@ -2,7 +2,6 @@
 
 const Clock = require('./lamport-clock')
 const { isDefined } = require('./utils')
-
 const IpfsNotDefinedError = () => new Error('Ipfs instance not defined')
 
 class Entry {
@@ -104,8 +103,8 @@ class Entry {
     if (entry.sig) Object.assign(e, { sig: entry.sig })
 
     const data = Entry.toBuffer(e)
-    const object = await ipfs.object.put(data)
-    return object.toJSON().multihash
+    const object = await ipfs.dag.put(data)
+    return object.toBaseEncodedString()
   }
 
   /**
@@ -122,9 +121,8 @@ class Entry {
     if (!ipfs) throw IpfsNotDefinedError()
     if (!hash) throw new Error(`Invalid hash: ${hash}`)
 
-    const obj = await ipfs.object.get(hash, { enc: 'base58' })
-
-    const data = JSON.parse(obj.toJSON().data)
+    const obj = await ipfs.dag.get(hash)
+    const data = JSON.parse(obj.value)
     let entry = {
       hash: hash,
       id: data.id,
diff --git a/src/log-io.js b/src/log-io.js
index 26292554..86986727 100644
--- a/src/log-io.js
+++ b/src/log-io.js
@@ -13,8 +13,8 @@ class LogIO {
     if (!isDefined(ipfs)) throw LogError.IPFSNotDefinedError()
     if (!isDefined(log)) throw LogError.LogNotDefinedError()
     if (log.values.length < 1) throw new Error(`Can't serialize an empty log`)
-    const dagNode = await ipfs.object.put(log.toBuffer())
-    return dagNode.toJSON().multihash
+    const dagNode = await ipfs.dag.put(log.toBuffer())
+    return dagNode.toBaseEncodedString()
   }
 
   /**
@@ -29,8 +29,8 @@ class LogIO {
     if (!isDefined(ipfs)) throw LogError.IPFSNotDefinedError()
     if (!isDefined(hash)) throw new Error(`Invalid hash: ${hash}`)
 
-    const dagNode = await ipfs.object.get(hash, { enc: 'base58' })
-    const logData = JSON.parse(dagNode.toJSON().data)
+    const dagNode = await ipfs.dag.get(hash)
+    const logData = JSON.parse(dagNode.value)
     if (!logData.heads || !logData.id) throw LogError.NotALogError()
 
     const entries = await EntryIO.fetchAll(ipfs, logData.heads, length, exclude, null, onProgressCallback)
diff --git a/test/entry.spec.js b/test/entry.spec.js
index 7193c42c..9f69a34e 100644
--- a/test/entry.spec.js
+++ b/test/entry.spec.js
@@ -40,7 +40,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
 
     describe('create', () => {
       it('creates a an empty entry', async () => {
-        const expectedHash = 'QmV5NpvViHHouBfo7CSnfX2iB4t5PVWNJG8doKt5cwwnxY'
+        const expectedHash = 'zdpuAnaYBmydja6Suh9AeB8uo79YVocEpYE18Jex1erhZo9GY'
         const entry = await Entry.create(ipfs, testIdentity, 'A', 'hello')
         assert.strictEqual(entry.hash, expectedHash)
         assert.strictEqual(entry.id, 'A')
@@ -52,7 +52,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
       })
 
       it('creates a entry with payload', async () => {
-        const expectedHash = 'QmderYccue9XqB7V4EYf71ZygWELdzdbVqo1oxR4nMRrCh'
+        const expectedHash = 'zdpuAr5xeRwB9GTe8HF9anWrHs3DixhNa6eMm9h769REozoKe'
         const payload = 'hello world'
         const entry = await Entry.create(ipfs, testIdentity, 'A', payload, [])
         assert.strictEqual(entry.payload, payload)
@@ -65,7 +65,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
       })
 
       it('creates a entry with payload and next', async () => {
-        const expectedHash = 'QmQDYaVgVpR7uMG1ao9D1sioYHvAHeuLgUxKBuX1tQtKTY'
+        const expectedHash = 'zdpuAyb1YydfzunrxK9SDA5KZASuETubhBdWKHYCpcZMcpKai'
         const payload1 = 'hello world'
         const payload2 = 'hello again'
         const entry1 = await Entry.create(ipfs, testIdentity, 'A', payload1, [])
@@ -149,7 +149,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
 
     describe('toMultihash', () => {
       it('returns an ipfs hash', async () => {
-        const expectedHash = 'QmV5NpvViHHouBfo7CSnfX2iB4t5PVWNJG8doKt5cwwnxY'
+        const expectedHash = 'zdpuAnaYBmydja6Suh9AeB8uo79YVocEpYE18Jex1erhZo9GY'
         const entry = await Entry.create(ipfs, testIdentity, 'A', 'hello', [])
         const hash = await Entry.toMultihash(ipfs, entry)
         assert.strictEqual(entry.hash, expectedHash)
@@ -189,7 +189,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
 
     describe('fromMultihash', () => {
       it('creates a entry from ipfs hash', async () => {
-        const expectedHash = 'QmTLLKuNVXC95rGcnrL1M3xKf4dWYuu3MeAM3LUh3YNDJ7'
+        const expectedHash = 'zdpuAkSjJjsto7uvePWTHv9J9PkChzpnXP1Xeurjd7W6y2BiP'
         const payload1 = 'hello world'
         const payload2 = 'hello again'
         const entry1 = await Entry.create(ipfs, testIdentity, 'A', payload1, [])
diff --git a/test/log.spec.js b/test/log.spec.js
index 76c096ae..4acf2461 100644
--- a/test/log.spec.js
+++ b/test/log.spec.js
@@ -188,7 +188,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
 
       it('returns an Entry', () => {
         const entry = log.get(log.values[0].hash)
-        assert.deepStrictEqual(entry.hash, 'QmXmmR8f9zYbAQouvLJYhvoffb7c31FC7DV6nSfkv5iJKG')
+        assert.deepStrictEqual(entry.hash, 'zdpuB1TxcmqeDRcka6vAuKBGGDoL5Lt8YHfr6JXnvvXFfXvAa')
       })
 
       it('returns undefined when Entry is not in the log', () => {
@@ -202,7 +202,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
 
       before(async () => {
         expectedData = {
-          hash: 'QmXmmR8f9zYbAQouvLJYhvoffb7c31FC7DV6nSfkv5iJKG',
+          hash: 'zdpuB1TxcmqeDRcka6vAuKBGGDoL5Lt8YHfr6JXnvvXFfXvAa',
           id: 'AAA',
           payload: 'one',
           next: [],
@@ -236,7 +236,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
       let log//, testIdentity2, testIdentity3, testIdentity4
       const expectedData = {
         id: 'AAA',
-        heads: ['QmRk7Cborp5kyvAr6ty8Qhxs9PtvdBojG9uWUopqUN3c4z']
+        heads: ['zdpuB1Zk2eJHmw1ENgFvq9jp7oTRtAEnkRMzxcFgp9XSYkAHr']
       }
 
       beforeEach(async () => {
@@ -255,11 +255,11 @@ Object.keys(testAPIs).forEach((IPFS) => {
       describe('toSnapshot', () => {
         const expectedData = {
           id: 'AAA',
-          heads: ['QmRk7Cborp5kyvAr6ty8Qhxs9PtvdBojG9uWUopqUN3c4z'],
+          heads: ['zdpuB1Zk2eJHmw1ENgFvq9jp7oTRtAEnkRMzxcFgp9XSYkAHr'],
           values: [
-            'QmXmmR8f9zYbAQouvLJYhvoffb7c31FC7DV6nSfkv5iJKG',
-            'QmbxyqTACVkkGkkBryEsUP7ff2trezXy4eK67izyxjmu4X',
-            'QmRk7Cborp5kyvAr6ty8Qhxs9PtvdBojG9uWUopqUN3c4z'
+            'zdpuB1TxcmqeDRcka6vAuKBGGDoL5Lt8YHfr6JXnvvXFfXvAa',
+            'zdpuAuftJ9deM3FompFexiRMU5UoBTMd7G4ivmwgWyc8RoAvF',
+            'zdpuB1Zk2eJHmw1ENgFvq9jp7oTRtAEnkRMzxcFgp9XSYkAHr'
           ]
         }
 
@@ -283,7 +283,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
 
       describe('toMultihash', async () => {
         it('returns the log as ipfs hash', async () => {
-          const expectedHash = 'QmbxZPQsFdj3qA3gvtHV7fJvb48ZoScNWb2zJpKyR3A5BF'
+          const expectedHash = 'zdpuArWGgoYSkBasQqmMnWgobYpVpbwHajkTthdXrDo4s4gvT'
           let log = new Log(ipfs, testACL, testIdentity, 'A')
           await log.append('one')
           const hash = await log.toMultihash()
@@ -293,15 +293,15 @@ Object.keys(testAPIs).forEach((IPFS) => {
         it('log serialized to ipfs contains the correct data', async () => {
           const expectedData = {
             id: 'A',
-            heads: ['QmNPsBXD1ieznbsMEgPZdSgxB25vCC6vRge9XfynaFtgxs']
+            heads: ['zdpuAmQnqT6iSbGiLv2jsuNkvRKJhydvfdJFvAgMfv9FN6w1R']
           }
-          const expectedHash = 'QmbxZPQsFdj3qA3gvtHV7fJvb48ZoScNWb2zJpKyR3A5BF'
+          const expectedHash = 'zdpuArWGgoYSkBasQqmMnWgobYpVpbwHajkTthdXrDo4s4gvT'
           let log = new Log(ipfs, testACL, testIdentity, 'A')
           await log.append('one')
           const hash = await log.toMultihash()
           assert.strictEqual(hash, expectedHash)
-          const result = await ipfs.object.get(hash)
-          const res = JSON.parse(result.toJSON().data.toString())
+          const result = await ipfs.dag.get(hash)
+          const res = JSON.parse(result.value)
           assert.deepStrictEqual(res.heads, expectedData.heads)
         })
 
@@ -322,7 +322,7 @@ Object.keys(testAPIs).forEach((IPFS) => {
         it('creates a log from ipfs hash - one entry', async () => {
           const expectedData = {
             id: 'X',
-            heads: ['QmRRGWJ8PzhHTp3zgdx2fS4adXF1q4HVGZ9MtbLgZ8QFfL']
+            heads: ['zdpuAywKpTghf1VL7itki8XuNdK416cCqMxDrzWYikFdM7f9j']
           }
           let log = new Log(ipfs, testACL, testIdentity, 'X')
           await log.append('one')
@@ -421,10 +421,10 @@ Object.keys(testAPIs).forEach((IPFS) => {
         })
 
         it('throws an error when data from hash is not instance of Log', async () => {
-          const res = await ipfs.object.put(Buffer.from('{}'))
+          const res = await ipfs.dag.put(Buffer.from('{}'))
           let err
           try {
-            await Log.fromMultihash(ipfs, testACL, testIdentity, res.toJSON().multihash)
+            await Log.fromMultihash(ipfs, testACL, testIdentity, res.toBaseEncodedString())
           } catch (e) {
             err = e
           }
@@ -432,10 +432,10 @@ Object.keys(testAPIs).forEach((IPFS) => {
         })
 
         it('throws an error if data from hash is not valid JSON', async () => {
-          const res = await ipfs.object.put(Buffer.from('hello'))
+          const res = await ipfs.dag.put(Buffer.from('hello'))
           let err
           try {
-            await Log.fromMultihash(ipfs, testACL, testIdentity, res.toJSON().multihash)
+            await Log.fromMultihash(ipfs, testACL, testIdentity, res.toBaseEncodedString())
           } catch (e) {
             err = e
           }
diff --git a/test/replicate.spec.js b/test/replicate.spec.js
index b6131579..1f20c172 100644
--- a/test/replicate.spec.js
+++ b/test/replicate.spec.js
@@ -46,10 +46,10 @@ Object.keys(testAPIs).forEach((IPFS) => {
 
       // Use mem-store for faster testing (no disk IO)
       const memstore = new MemStore()
-      ipfs1.object.put = memstore.put.bind(memstore)
-      ipfs1.object.get = memstore.get.bind(memstore)
-      ipfs2.object.put = memstore.put.bind(memstore)
-      ipfs2.object.get = memstore.get.bind(memstore)
+      ipfs1.dag.put = memstore.put.bind(memstore)
+      ipfs1.dag.get = memstore.get.bind(memstore)
+      ipfs2.dag.put = memstore.put.bind(memstore)
+      ipfs2.dag.get = memstore.get.bind(memstore)
 
       // Create an identity for each peers
       testIdentity = await IdentityProvider.createIdentity({ id: 'userA', identityKeysPath, signingKeysPath })
diff --git a/test/utils/mem-store.js b/test/utils/mem-store.js
index 81488307..6d20f150 100644
--- a/test/utils/mem-store.js
+++ b/test/utils/mem-store.js
@@ -1,8 +1,6 @@
 'use strict'
-
 const multihashing = require('multihashing-async')
 const mh = require('multihashes')
-
 const defaultHashAlg = 'sha2-256'
 
 const createMultihash = (data, hashAlg) => {
@@ -11,50 +9,33 @@ const createMultihash = (data, hashAlg) => {
       if (err) {
         return reject(err)
       }
-
       resolve(mh.toB58String(multihash))
     })
   })
 }
 
-// const LRU = require('lru')
-// const ImmutableDB = require('./immutabledb-interface')
-// const createMultihash = require('./create-multihash')
-
 /* Memory store using an LRU cache */
 class MemStore {
-  constructor () {
+  constructor (ipfs) {
     this._store = {}// new LRU(1000)
+    this._ipfs = ipfs
   }
 
   async put (value) {
     const data = value// new Buffer(JSON.stringify(value))
     const hash = await createMultihash(data)
-    // console.log(this._store)
-    // this._store.set(hash, data)
+
     if (!this._store) this._store = {}
-    // console.log(this._store)
-    // console.log(hash, data)
     this._store[hash] = data
-    // return hash
+
     return {
-      toJSON: () => {
-        return {
-          data: value,
-          multihash: hash
-        }
-      }
+      toBaseEncodedString: () => hash
     }
   }
 
   async get (key) {
     return {
-      toJSON: () => {
-        return {
-          data: this._store[key],
-          multihash: key
-        }
-      }
+      value: this._store[key]
     }
   }
 }
diff --git a/webpack.config.js b/webpack.config.js
index ce3e9442..af1efd34 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,14 +1,13 @@
 'use strict'
 
 const path = require('path')
-const Uglify = require('uglifyjs-webpack-plugin')
 
 module.exports = {
   entry: './src/log.js',
   output: {
     libraryTarget: 'var',
     library: 'Log',
-    filename: './dist/ipfslog.min.js'
+    filename: 'ipfslog.min.js'
   },
   target: 'web',
   devtool: 'sourcemap',
@@ -17,7 +16,6 @@ module.exports = {
     Buffer: true
   },
   plugins: [
-    new Uglify()
   ],
   resolve: {
     modules: [
diff --git a/webpack.example.config.js b/webpack.example.config.js
index d5121610..16f3958c 100644
--- a/webpack.example.config.js
+++ b/webpack.example.config.js
@@ -1,19 +1,11 @@
 'use strict'
 
-const Uglify = require('uglifyjs-webpack-plugin')
 const path = require('path')
 
-const uglifyOptions = {
-  uglifyOptions: {
-    mangle: false,
-    compress: false
-  }
-}
-
 module.exports = {
   entry: './examples/browser/index.js',
   output: {
-    filename: './examples/browser/bundle.js'
+    filename: '../examples/browser/bundle.js'
   },
   target: 'web',
   devtool: 'none',
@@ -23,7 +15,6 @@ module.exports = {
     Buffer: true
   },
   plugins: [
-    new Uglify(uglifyOptions)
   ],
   externals: {
     fs: '{}'
@@ -40,11 +31,5 @@ module.exports = {
       path.resolve(__dirname, '../node_modules')
     ],
     moduleExtensions: ['-loader']
-  },
-  module: {
-    rules: [{
-      test: /\.json$/,
-      loader: 'json-loader'
-    }]
   }
 }
diff --git a/webpack.tests.config.js b/webpack.tests.config.js
index 5852263b..daaf8229 100644
--- a/webpack.tests.config.js
+++ b/webpack.tests.config.js
@@ -8,7 +8,7 @@ module.exports = {
   // TODO: put all tests in a .js file that webpack can use as entry point
   entry: glob.sync('./test/*.spec.js', { 'ignore': ['./test/replicate.spec.js'] }),
   output: {
-    filename: './test/browser/bundle.js'
+    filename: '../test/browser/bundle.js'
   },
   target: 'web',
   devtool: 'source-map',
@@ -45,8 +45,17 @@ module.exports = {
   module: {
     rules: [
       {
-        test: /\.json$/,
-        loader: 'json-loader'
+        test: /\.js$/,
+        exclude: /node_modules/,
+        use: {
+          loader: 'babel-loader',
+          options: {
+            presets: [
+              ['@babel/preset-env', { modules: false }]
+            ],
+            plugins: ['@babel/syntax-object-rest-spread', '@babel/transform-runtime', '@babel/plugin-transform-modules-commonjs']
+          }
+        }
       },
       // For inlining the fixture keys in browsers tests
       {