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author | Fabio Berger <me@fabioberger.com> | 2018-01-29 23:38:05 +0800 |
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committer | Fabio Berger <me@fabioberger.com> | 2018-01-29 23:38:05 +0800 |
commit | 72571628dacfca91b936f15ad3832820b0bb159a (patch) | |
tree | c518c96698684b886baf09959c4a4151eb299bb2 /packages | |
parent | fa6130c90787c6ce20a610693b6675e06f93365b (diff) | |
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Fetch default gasPrice from our ethGasStation API mirror and set it for all transactions
Diffstat (limited to 'packages')
-rw-r--r-- | packages/website/ts/blockchain.ts | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/packages/website/ts/blockchain.ts b/packages/website/ts/blockchain.ts index 543d5d8ca..5d71a14c8 100644 --- a/packages/website/ts/blockchain.ts +++ b/packages/website/ts/blockchain.ts @@ -67,6 +67,7 @@ export class Blockchain { private _cachedProvider: Web3.Provider; private _cachedProviderNetworkId: number; private _ledgerSubprovider: LedgerWalletSubprovider; + private _defaultGasPrice: BigNumber; private static async _onPageLoadAsync(): Promise<void> { if (document.readyState === 'complete') { return; // Already loaded @@ -122,6 +123,9 @@ export class Blockchain { constructor(dispatcher: Dispatcher, isSalePage: boolean = false) { this._dispatcher = dispatcher; this._userAddress = ''; + this._defaultGasPrice = new BigNumber(30000000000); + // tslint:disable-next-line:no-floating-promises + this._updateDefaultGasPriceAsync(); // tslint:disable-next-line:no-floating-promises this._onPageLoadInitFireAndForgetAsync(); } @@ -252,6 +256,9 @@ export class Blockchain { token.address, this._userAddress, amountInBaseUnits, + { + gasPrice: this._defaultGasPrice, + }, ); await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash); const allowance = amountInBaseUnits; @@ -263,6 +270,9 @@ export class Blockchain { this._userAddress, toAddress, amountInBaseUnits, + { + gasPrice: this._defaultGasPrice, + }, ); await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash); const etherScanLinkIfExists = utils.getEtherScanLinkIfExists(txHash, this.networkId, EtherscanLinkSuffixes.Tx); @@ -320,6 +330,9 @@ export class Blockchain { fillTakerTokenAmount, shouldThrowOnInsufficientBalanceOrAllowance, this._userAddress, + { + gasPrice: this._defaultGasPrice, + }, ); const receipt = await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash); const logs: Array<LogWithDecodedArgs<ExchangeContractEventArgs>> = receipt.logs as any; @@ -331,7 +344,9 @@ export class Blockchain { } public async cancelOrderAsync(signedOrder: SignedOrder, cancelTakerTokenAmount: BigNumber): Promise<BigNumber> { this._showFlashMessageIfLedger(); - const txHash = await this._zeroEx.exchange.cancelOrderAsync(signedOrder, cancelTakerTokenAmount); + const txHash = await this._zeroEx.exchange.cancelOrderAsync(signedOrder, cancelTakerTokenAmount, { + gasPrice: this._defaultGasPrice, + }); const receipt = await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash); const logs: Array<LogWithDecodedArgs<ExchangeContractEventArgs>> = receipt.logs as any; this._zeroEx.exchange.throwLogErrorsAsErrors(logs); @@ -418,6 +433,7 @@ export class Blockchain { this._showFlashMessageIfLedger(); await mintableContract.mint(constants.MINT_AMOUNT, { from: this._userAddress, + gasPrice: this._defaultGasPrice, }); const balanceDelta = constants.MINT_AMOUNT; } @@ -430,7 +446,9 @@ export class Blockchain { utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses); this._showFlashMessageIfLedger(); - const txHash = await this._zeroEx.etherToken.depositAsync(etherTokenAddress, amount, this._userAddress); + const txHash = await this._zeroEx.etherToken.depositAsync(etherTokenAddress, amount, this._userAddress, { + gasPrice: this._defaultGasPrice, + }); await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash); } public async convertWrappedEthTokensToEthAsync(etherTokenAddress: string, amount: BigNumber): Promise<void> { @@ -438,7 +456,9 @@ export class Blockchain { utils.assert(this._doesUserAddressExist(), BlockchainCallErrs.UserHasNoAssociatedAddresses); this._showFlashMessageIfLedger(); - const txHash = await this._zeroEx.etherToken.withdrawAsync(etherTokenAddress, amount, this._userAddress); + const txHash = await this._zeroEx.etherToken.withdrawAsync(etherTokenAddress, amount, this._userAddress, { + gasPrice: this._defaultGasPrice, + }); await this._showEtherScanLinkAndAwaitTransactionMinedAsync(txHash); } public async doesContractExistAtAddressAsync(address: string) { @@ -779,4 +799,15 @@ export class Blockchain { this._dispatcher.showFlashMessage('Confirm the transaction on your Ledger Nano S'); } } + private async _updateDefaultGasPriceAsync() { + const endpoint = `${configs.BACKEND_BASE_URL}/eth_gas_station`; + const response = await fetch(endpoint); + if (response.status !== 200) { + return; // noop and we keep hard-coded default + } + const gasInfo = await response.json(); + const gasPriceInGwei = new BigNumber(gasInfo.average / 10); + const gasPriceInWei = gasPriceInGwei.mul(1000000000); + this._defaultGasPrice = gasPriceInWei; + } } // tslint:disable:max-file-line-count |