Have basic network switching working

1 files changed, 21 insertions, 1 deletions

diff --git a/packages/website/ts/blockchain_watcher.ts b/packages/website/ts/blockchain_watcher.ts
index 8ae5e7797..5d029d4f1 100644
--- a/packages/website/ts/blockchain_watcher.ts
+++ b/packages/website/ts/blockchain_watcher.ts
@@ -7,6 +7,7 @@ export class BlockchainWatcher {
     private _dispatcher: Dispatcher;
     private _web3Wrapper: Web3Wrapper;
     private _prevNetworkId: number;
+    private _isWatchingNetworkId: boolean = false;
     private _shouldPollUserAddress: boolean;
     private _watchBalanceIntervalId: NodeJS.Timer;
     private _prevUserEtherBalanceInWei?: BigNumber;
@@ -18,8 +19,8 @@ export class BlockchainWatcher {
         shouldPollUserAddress: boolean,
     ) {
         this._dispatcher = dispatcher;
-        this._prevNetworkId = networkIdIfExists;
         this._shouldPollUserAddress = shouldPollUserAddress;
+        this._prevNetworkId = networkIdIfExists;
         this._web3Wrapper = web3Wrapper;
     }
     public destroy(): void {
@@ -34,6 +35,16 @@ export class BlockchainWatcher {
     public updatePrevUserAddress(userAddress: string): void {
         this._prevUserAddressIfExists = userAddress;
     }
+    // public async startEmittingInjectedProviderNetworkIdAsync(injectedProvider: any): Promise<void> {
+    //     if (this._isWatchingNetworkId) {
+    //         return; // we are already watching the network id
+    //     }
+    //     const observable = injectedProvider.publicConfigStore;
+    //     if (observable && observable.subscribe) {
+    //         observable.subscribe(this._handleInjectedProviderUpdate.bind(this));
+    //         this._isWatchingNetworkId = true;
+    //     }
+    // }
     public async startEmittingUserBalanceStateAsync(): Promise<void> {
         if (!_.isUndefined(this._watchBalanceIntervalId)) {
             return; // we are already emitting the state
@@ -49,6 +60,15 @@ export class BlockchainWatcher {
             },
         );
     }
+    // private _handleInjectedProviderUpdate(update: InjectedProviderUpdate): void {
+    //     const updatedNetworkId = _.parseInt(update.networkVersion);
+    //     if (this._prevNetworkId === updatedNetworkId) {
+    //         return;
+    //     }
+    //     this._prevNetworkId = updatedNetworkId;
+    //     this._dispatcher.updateNetworkId(updatedNetworkId);
+    //     this._updateBalanceAsync();
+    // }
     private async _updateBalanceAsync(): Promise<void> {
         let prevNodeVersion: string;
         // Check for node version changes