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author | fragosti <francesco.agosti93@gmail.com> | 2018-07-06 06:37:35 +0800 |
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committer | fragosti <francesco.agosti93@gmail.com> | 2018-07-06 06:37:35 +0800 |
commit | f894ffc0ccccca8e94ea37dda6184168f126839d (patch) | |
tree | 8815bca7eeac39f293fdcb246383825c18622db0 /packages/website | |
parent | 127fbc6e943d23cf1202f403a5b402226963d947 (diff) | |
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Poll for gas prices and use fast instead of average for better UX
Diffstat (limited to 'packages/website')
-rw-r--r-- | packages/website/ts/blockchain.ts | 30 | ||||
-rw-r--r-- | packages/website/ts/types.ts | 3 |
2 files changed, 29 insertions, 4 deletions
diff --git a/packages/website/ts/blockchain.ts b/packages/website/ts/blockchain.ts index cc2afa28a..efeeafe32 100644 --- a/packages/website/ts/blockchain.ts +++ b/packages/website/ts/blockchain.ts @@ -89,6 +89,7 @@ export class Blockchain { private _userAddressIfExists: string; private _ledgerSubprovider: LedgerSubprovider; private _defaultGasPrice: BigNumber; + private _watchGasPriceIntervalId: NodeJS.Timer; private static _getNameGivenProvider(provider: Provider): string { const providerType = utils.getProviderType(provider); const providerNameIfExists = providerToName[providerType]; @@ -196,13 +197,11 @@ export class Blockchain { } constructor(dispatcher: Dispatcher) { this._dispatcher = dispatcher; - const defaultGasPrice = GWEI_IN_WEI * 30; + const defaultGasPrice = GWEI_IN_WEI * 40; 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 this._onPageLoadInitFireAndForgetAsync(); } public async networkIdUpdatedFireAndForgetAsync(newNetworkId: number): Promise<void> { @@ -537,6 +536,7 @@ export class Blockchain { this._blockchainWatcher.destroy(); this._injectedProviderObservable.unsubscribe(this._injectedProviderUpdateHandler); this._stopWatchingExchangeLogFillEvents(); + this._stopWatchingGasPrice(); } public async fetchTokenInformationAsync(): Promise<void> { utils.assert( @@ -798,8 +798,30 @@ export class Blockchain { this._updateProviderName(injectedWeb3IfExists); const shouldPollUserAddress = true; const shouldUseLedgerProvider = false; + this._startWatchingGasPrice(); await this._resetOrInitializeAsync(this.networkId, shouldPollUserAddress, shouldUseLedgerProvider); } + private _startWatchingGasPrice(): void { + if (!_.isUndefined(this._watchGasPriceIntervalId)) { + return; // we are already watching + } + // tslint:disable-next-line:no-floating-promises + this._updateDefaultGasPriceAsync(); + this._watchGasPriceIntervalId = intervalUtils.setAsyncExcludingInterval( + this._updateDefaultGasPriceAsync.bind(this), + // 1 minute + 60000, + (err: Error) => { + logUtils.log(`Watching gas price failed: ${err.stack}`); + this._stopWatchingGasPrice(); + }, + ); + } + private _stopWatchingGasPrice(): void { + if (!_.isUndefined(this._watchGasPriceIntervalId)) { + intervalUtils.clearAsyncExcludingInterval(this._watchGasPriceIntervalId); + } + } private async _resetOrInitializeAsync( networkId: number, shouldPollUserAddress: boolean = false, @@ -895,7 +917,7 @@ export class Blockchain { private async _updateDefaultGasPriceAsync(): Promise<void> { try { const gasInfo = await backendClient.getGasInfoAsync(); - const gasPriceInGwei = new BigNumber(gasInfo.average / 10); + const gasPriceInGwei = new BigNumber(gasInfo.fast / 10); const gasPriceInWei = gasPriceInGwei.mul(1000000000); this._defaultGasPrice = gasPriceInWei; } catch (err) { diff --git a/packages/website/ts/types.ts b/packages/website/ts/types.ts index 93d029325..a13853052 100644 --- a/packages/website/ts/types.ts +++ b/packages/website/ts/types.ts @@ -551,7 +551,10 @@ export interface WebsiteBackendTokenInfo { } export interface WebsiteBackendGasInfo { + safeSlow: number; average: number; + fast: number; + fastest: number; } export interface WebsiteBackendJobInfo { |