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Make unsubscribing work

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fragosti
2018-06-26 12:33:38 -07:00
parent 3866154b50
commit 0a0da63ac7
1 changed files with 5 additions and 1 deletions
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6
packages/website/ts/blockchain.ts
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@@ -82,6 +82,7 @@ export class Blockchain {
private _web3Wrapper?: Web3Wrapper;
private _blockchainWatcher?: BlockchainWatcher;
private _injectedProviderObservable?: InjectedProviderObservable;
private _injectedProviderUpdateHandler: (update: InjectedProviderUpdate) => Promise<void>;
private _userAddressIfExists: string;
private _ledgerSubprovider: LedgerSubprovider;
private _defaultGasPrice: BigNumber;
@@ -186,6 +187,8 @@ export class Blockchain {
this._dispatcher = dispatcher;
const defaultGasPrice = GWEI_IN_WEI * 30;
this._defaultGasPrice = new BigNumber(defaultGasPrice);
// We need a unique reference to this function so we can use it to unsubcribe.
this._injectedProviderUpdateHandler = this._handleInjectedProviderUpdateAsync.bind(this);
// tslint:disable-next-line:no-floating-promises
this._updateDefaultGasPriceAsync();
// tslint:disable-next-line:no-floating-promises
@@ -521,6 +524,7 @@ export class Blockchain {
}
public destroy(): void {
this._blockchainWatcher.destroy();
this._injectedProviderObservable.unsubscribe(this._injectedProviderUpdateHandler);
this._stopWatchingExchangeLogFillEvents();
}
public async fetchTokenInformationAsync(): Promise<void> {
@@ -776,7 +780,7 @@ export class Blockchain {
const injectedProviderObservable = injectedWeb3.currentProvider.publicConfigStore;
if (injectedProviderObservable && !this._injectedProviderObservable) {
this._injectedProviderObservable = injectedProviderObservable;
this._injectedProviderObservable.subscribe(this._handleInjectedProviderUpdateAsync.bind(this));
this._injectedProviderObservable.subscribe(this._injectedProviderUpdateHandler);
}
}
this._updateProviderName(injectedWeb3);