Fix slow balances (#6471)

* Update token updates

* Update token info fetching

* Update logger

* Minor fixes to updates and notifications for balances

* Use Pubsub

* Fix timeout.

* Use pubsub for status.

* Fix signer subscription.

* Process tokens in chunks.

* Fix tokens loaded by chunks

* Linting

* Dispatch tokens asap

* Fix chunks processing.

* Better filter options

* Parallel log fetching.

* Fix signer polling.

* Fix initial block query.

* Token balances updates : the right(er) way

* Better tokens info fetching

* Fixes in token data fetching

* Only fetch what's needed (tokens)

* Fix linting issues

* Revert "Transaction permissioning (#6441)"

This reverts commit eed0e8b03a.

* Revert "Revert "Transaction permissioning (#6441)""

This reverts commit 8f96415e58dde652e5828706eb2639d43416f448.

* Update wasm-tests.

* Fixing balances fetching

* Fix requests tracking in UI

* Fix request watching

* Update the Logger

* PR Grumbles Fixes

* PR Grumbles fixes

* Linting...

js/src/mobx/hardwareStore.js

@@ -31,6 +31,10 @@ export default class HardwareStore {
     this._pollId = null;
 
     this._pollScan();
+    this._subscribeParity();
+    this._api.transport.on('close', () => {
+      this._subscribeParity();
+    });
   }
 
   isConnected (address) {
@@ -78,26 +82,30 @@ export default class HardwareStore {
       });
   }
 
-  scanParity () {
-    return this._api.parity
-      .hardwareAccountsInfo()
-      .then((hwInfo) => {
-        Object
-          .keys(hwInfo)
-          .forEach((address) => {
-            const info = hwInfo[address];
+  _subscribeParity () {
+    const onError = error => {
+      console.warn('HardwareStore::scanParity', error);
 
-            info.address = address;
-            info.via = 'parity';
-          });
+      return {};
+    };
 
-        return hwInfo;
-      })
-      .catch((error) => {
-        console.warn('HardwareStore::scanParity', error);
+    return this._api.pubsub
+      .subscribeAndGetResult(
+        callback => this._api.pubsub.parity.hardwareAccountsInfo(callback),
+        hwInfo => {
+          Object
+            .keys(hwInfo)
+            .forEach((address) => {
+              const info = hwInfo[address];
 
-        return {};
-      });
+              info.address = address;
+              info.via = 'parity';
+            });
+          this.setWallets(hwInfo);
+          return hwInfo;
+        },
+        onError
+      ).catch(onError);
   }
 
   scan () {
@@ -107,14 +115,10 @@ export default class HardwareStore {
     // is done, different results will be retrieved via Parity vs. the browser APIs
     // (latter is Chrome-only, needs the browser app enabled on a Ledger, former is
     // not intended as a network call, i.e. hw wallet is with the user)
-    return Promise
-      .all([
-        this.scanParity(),
-        this.scanLedger()
-      ])
-      .then(([hwAccounts, ledgerAccounts]) => {
+    return this.scanLedger()
+      .then((ledgerAccounts) => {
         transaction(() => {
-          this.setWallets(Object.assign({}, hwAccounts, ledgerAccounts));
+          this.setWallets(Object.assign({}, ledgerAccounts));
           this.setScanning(false);
         });
       });