Orbit improvements

.gitignore

@@ -13,6 +13,7 @@ yarn.lock
 /build
 /src/build
 /app/src/build
+/app/build
 
 # Contract Artifacts
 /app/src/contracts

app/package.json

@@ -11,6 +11,7 @@
     "drizzle": "1.3.3",
     "history": "4.9.0",
     "ipfs": "github:ipfs/js-ipfs#e849dbcab4a313f7ffc1532a389097ee76344067",
+    "lodash.isequal": "4.5.0",
     "orbit-db": "0.19.9",
     "orbit-db-keystore": "0.1.0",
     "prop-types": "15.7.2",

app/src/components/Post.js

@@ -82,7 +82,7 @@ class Post extends Component {
       orbitPostData = orbitDB.postsDB.get(postID);
     } else {
       const fullAddress = `/orbitdb/${postData.value[0]}/posts`;
-      const store = await orbitDB.orbitdb.keyvalue(fullAddress);
+      const store = await orbitDB.orbitdb.open(fullAddress, {type: 'keyvalue'});
       await store.load();
 
       const localOrbitData = store.get(postID);

app/src/components/Topic.js

@@ -54,9 +54,8 @@ class Topic extends Component {
       const orbitData = orbitDB.topicsDB.get(topicID);
       topicSubject = orbitData.subject;
     } else {
-      const fullAddress = `/orbitdb/${topicData.value[0]
-      }/topics`;
-      const store = await orbitDB.orbitdb.keyvalue(fullAddress);
+      const fullAddress = `/orbitdb/${topicData.value[0]}/topics`;
+      const store = await orbitDB.orbitdb.open(fullAddress, {type: 'keyvalue'});
       await store.load();
 
       const localOrbitData = store.get(topicID);

app/src/config/ipfsOptions.js

@@ -13,6 +13,9 @@ const ipfsOptions = {
         '/ip4/127.0.0.1/tcp/9090/ws/p2p-websocket-star'
       ]
     }
+  },
+  preload: {
+    enabled: false
   }
 };
 

app/src/redux/actions/orbitActions.js

@@ -2,6 +2,7 @@ const IPFS_INITIALIZED = 'IPFS_INITIALIZED';
 const DATABASES_CREATED = 'DATABASES_CREATED';
 const DATABASES_LOADED = 'DATABASES_LOADED';
 const DATABASES_NOT_READY = 'DATABASES_NOT_READY';
+const UPDATE_PEERS = 'UPDATE_PEERS';
 
 function updateDatabases(type, orbitdb, topicsDB, postsDB) {
   return {
@@ -17,4 +18,5 @@ export { DATABASES_CREATED,
   DATABASES_LOADED,
   DATABASES_NOT_READY,
   IPFS_INITIALIZED,
+  UPDATE_PEERS,
   updateDatabases };

app/src/redux/reducers/orbitReducer.js

@@ -1,7 +1,9 @@
-import { DATABASES_CREATED,
+import {
+  DATABASES_CREATED,
   DATABASES_LOADED,
   DATABASES_NOT_READY,
-  IPFS_INITIALIZED } from '../actions/orbitActions';
+  IPFS_INITIALIZED, UPDATE_PEERS
+} from '../actions/orbitActions';
 
 const initialState = {
   ipfs: null,
@@ -10,6 +12,8 @@ const initialState = {
   orbitdb: null,
   topicsDB: null,
   postsDB: null,
+  topicsDBPeers: [],
+  postsDBPeers: [],
   id: null
 };
 
@@ -48,6 +52,12 @@ const orbitReducer = (state = initialState, action) => {
         postsDB: null,
         id: null
       };
+    case UPDATE_PEERS:
+      return {
+        ...state,
+        topicsDBPeers: action.topicsDBPeers,
+        postsDBPeers: action.postsDBPeers
+      };
     default:
       return state;
   }

app/src/redux/sagas/orbitSaga.js

@@ -1,8 +1,9 @@
-import { all, call, put, take, takeLatest } from 'redux-saga/effects';
+import { all, call, put, select, take, takeEvery, takeLatest } from 'redux-saga/effects';
+import isEqual from 'lodash.isequal';
 import { contract, getCurrentAccount } from './drizzleUtilsSaga';
 import { loadDatabases } from '../../utils/orbitUtils';
 import { DRIZZLE_UTILS_SAGA_INITIALIZED } from '../actions/drizzleUtilsActions';
-import { DATABASES_NOT_READY, IPFS_INITIALIZED } from '../actions/orbitActions';
+import { DATABASES_NOT_READY, IPFS_INITIALIZED, UPDATE_PEERS } from '../actions/orbitActions';
 
 let latestAccount;
 
@@ -19,8 +20,6 @@ function* getOrbitDBInfo() {
         address: account
       });
       if (callResult) {
-        // console.log("Deleting local storage..");
-        // localStorage.clear();
         const txObj2 = yield call(contract.methods.getOrbitIdentityInfo,
           ...[account]);
         const orbitIdentityInfo = yield call(txObj2.call, {
@@ -51,12 +50,29 @@ function* getOrbitDBInfo() {
   }
 }
 
+function* updatePeersState() {
+  const orbit = yield select(state => state.orbit);
+  if(orbit.ready){
+    const topicsDBAddress = orbit.topicsDB.address.toString();
+    const postsDBAddress = orbit.postsDB.address.toString();
+    const topicsDBPeers = yield call(orbit.ipfs.pubsub.peers, topicsDBAddress);
+    const postsDBPeers = yield call(orbit.ipfs.pubsub.peers, postsDBAddress);
+    if(!isEqual(topicsDBPeers.sort(), orbit.topicsDBPeers.sort()) ||
+        !isEqual(postsDBPeers.sort(), orbit.postsDBPeers.sort())){
+      yield put({
+        type: UPDATE_PEERS, topicsDBPeers, postsDBPeers
+      });
+    }
+  }
+}
+
 function* orbitSaga() {
   yield all([
     take(DRIZZLE_UTILS_SAGA_INITIALIZED),
     take(IPFS_INITIALIZED)
   ]);
   yield takeLatest('ACCOUNT_CHANGED', getOrbitDBInfo);
+  yield takeEvery('ACCOUNTS_FETCHED', updatePeersState);
 }
 
 export default orbitSaga;

app/src/utils/orbitUtils.js

@@ -17,6 +17,8 @@ function initIPFS() {
 }
 
 async function createDatabases() {
+  console.log("Deleting local storage..."); // Else we are in danger of reusing an existing orbit
+  localStorage.clear(); // Perhaps not needed at all when orbit ids are used in Orbit 0.20.x+
   console.log('Creating databases...');
   const ipfs = getIPFS();
   const orbitdb = await new OrbitDB(ipfs);