diff options
Diffstat (limited to 'packages/instant/src/components/buy_button.tsx')
-rw-r--r-- | packages/instant/src/components/buy_button.tsx | 59 |
1 files changed, 48 insertions, 11 deletions
diff --git a/packages/instant/src/components/buy_button.tsx b/packages/instant/src/components/buy_button.tsx index 5a32b9575..097b8e547 100644 --- a/packages/instant/src/components/buy_button.tsx +++ b/packages/instant/src/components/buy_button.tsx @@ -1,19 +1,56 @@ +import { BuyQuote } from '@0xproject/asset-buyer'; +import * as _ from 'lodash'; import * as React from 'react'; import { ColorOption } from '../style/theme'; +import { assetBuyer } from '../util/asset_buyer'; +import { web3Wrapper } from '../util/web3_wrapper'; import { Button, Container, Text } from './ui'; -export interface BuyButtonProps {} +export interface BuyButtonProps { + buyQuote?: BuyQuote; + onClick: (buyQuote: BuyQuote) => void; + onBuySuccess: (buyQuote: BuyQuote) => void; + onBuyFailure: (buyQuote: BuyQuote) => void; + text: string; +} -export const BuyButton: React.StatelessComponent<BuyButtonProps> = props => ( - <Container padding="20px" width="100%"> - <Button width="100%"> - <Text fontColor={ColorOption.white} fontWeight={600} fontSize="20px"> - Buy - </Text> - </Button> - </Container> -); +const boundNoop = _.noop.bind(_); -BuyButton.displayName = 'BuyButton'; +export class BuyButton extends React.Component<BuyButtonProps> { + public static defaultProps = { + onClick: boundNoop, + onBuySuccess: boundNoop, + onBuyFailure: boundNoop, + }; + public render(): React.ReactNode { + const shouldDisableButton = _.isUndefined(this.props.buyQuote); + return ( + <Container padding="20px" width="100%"> + <Button width="100%" onClick={this._handleClick} isDisabled={shouldDisableButton}> + <Text fontColor={ColorOption.white} fontWeight={600} fontSize="20px"> + {this.props.text} + </Text> + </Button> + </Container> + ); + } + private readonly _handleClick = async () => { + // The button is disabled when there is no buy quote anyway. + if (_.isUndefined(this.props.buyQuote)) { + return; + } + this.props.onClick(this.props.buyQuote); + try { + const txnHash = await assetBuyer.executeBuyQuoteAsync(this.props.buyQuote, { + // HACK: There is a calculation issue in asset-buyer. ETH is refunded anyway so just over-estimate. + ethAmount: this.props.buyQuote.worstCaseQuoteInfo.totalEthAmount.mul(2), + }); + await web3Wrapper.awaitTransactionSuccessAsync(txnHash); + } catch { + this.props.onBuyFailure(this.props.buyQuote); + } + this.props.onBuySuccess(this.props.buyQuote); + }; +} |