diff options
Diffstat (limited to 'packages/website/ts/components/generate_order/generate_order_form.tsx')
| -rw-r--r-- | packages/website/ts/components/generate_order/generate_order_form.tsx | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/packages/website/ts/components/generate_order/generate_order_form.tsx b/packages/website/ts/components/generate_order/generate_order_form.tsx new file mode 100644 index 000000000..e9026d9bc --- /dev/null +++ b/packages/website/ts/components/generate_order/generate_order_form.tsx @@ -0,0 +1,348 @@ +import * as _ from 'lodash'; +import * as React from 'react'; +import {ZeroEx, Order} from '0x.js'; +import BigNumber from 'bignumber.js'; +import {Blockchain} from 'ts/blockchain'; +import Divider from 'material-ui/Divider'; +import Dialog from 'material-ui/Dialog'; +import {colors} from 'material-ui/styles'; +import {Dispatcher} from 'ts/redux/dispatcher'; +import {utils} from 'ts/utils/utils'; +import {SchemaValidator} from 'ts/schemas/validator'; +import {orderSchema} from 'ts/schemas/order_schema'; +import {Alert} from 'ts/components/ui/alert'; +import {OrderJSON} from 'ts/components/order_json'; +import {IdenticonAddressInput} from 'ts/components/inputs/identicon_address_input'; +import {TokenInput} from 'ts/components/inputs/token_input'; +import {TokenAmountInput} from 'ts/components/inputs/token_amount_input'; +import {HashInput} from 'ts/components/inputs/hash_input'; +import {ExpirationInput} from 'ts/components/inputs/expiration_input'; +import {LifeCycleRaisedButton} from 'ts/components/ui/lifecycle_raised_button'; +import {errorReporter} from 'ts/utils/error_reporter'; +import {HelpTooltip} from 'ts/components/ui/help_tooltip'; +import {SwapIcon} from 'ts/components/ui/swap_icon'; +import { + Side, + SideToAssetToken, + SignatureData, + HashData, + TokenByAddress, + TokenStateByAddress, + BlockchainErrs, + Token, + AlertTypes, +} from 'ts/types'; + +enum SigningState { + UNSIGNED, + SIGNING, + SIGNED, +} + +interface GenerateOrderFormProps { + blockchain: Blockchain; + blockchainErr: BlockchainErrs; + blockchainIsLoaded: boolean; + dispatcher: Dispatcher; + hashData: HashData; + orderExpiryTimestamp: BigNumber; + networkId: number; + userAddress: string; + orderSignatureData: SignatureData; + orderTakerAddress: string; + orderSalt: BigNumber; + sideToAssetToken: SideToAssetToken; + tokenByAddress: TokenByAddress; + tokenStateByAddress: TokenStateByAddress; +} + +interface GenerateOrderFormState { + globalErrMsg: string; + shouldShowIncompleteErrs: boolean; + signingState: SigningState; +} + +const style = { + paper: { + display: 'inline-block', + position: 'relative', + textAlign: 'center', + width: '100%', + }, +}; + +export class GenerateOrderForm extends React.Component<GenerateOrderFormProps, any> { + private validator: SchemaValidator; + constructor(props: GenerateOrderFormProps) { + super(props); + this.state = { + globalErrMsg: '', + shouldShowIncompleteErrs: false, + signingState: SigningState.UNSIGNED, + }; + this.validator = new SchemaValidator(); + } + public componentDidMount() { + window.scrollTo(0, 0); + } + public render() { + const dispatcher = this.props.dispatcher; + const depositTokenAddress = this.props.sideToAssetToken[Side.deposit].address; + const depositToken = this.props.tokenByAddress[depositTokenAddress]; + const depositTokenState = this.props.tokenStateByAddress[depositTokenAddress]; + const receiveTokenAddress = this.props.sideToAssetToken[Side.receive].address; + const receiveToken = this.props.tokenByAddress[receiveTokenAddress]; + const receiveTokenState = this.props.tokenStateByAddress[receiveTokenAddress]; + const takerExplanation = 'If a taker is specified, only they are<br> \ + allowed to fill this order. If no taker is<br> \ + specified, anyone is able to fill it.'; + const exchangeContractIfExists = this.props.blockchain.getExchangeContractAddressIfExists(); + return ( + <div className="clearfix mb2 lg-px4 md-px4 sm-px2"> + <h3>Generate an order</h3> + <Divider /> + <div className="mx-auto" style={{maxWidth: 580}}> + <div className="pt3"> + <div className="mx-auto clearfix"> + <div className="lg-col md-col lg-col-5 md-col-5 sm-col sm-col-5 sm-pb2"> + <TokenInput + userAddress={this.props.userAddress} + blockchain={this.props.blockchain} + blockchainErr={this.props.blockchainErr} + dispatcher={this.props.dispatcher} + label="Selling" + side={Side.deposit} + networkId={this.props.networkId} + assetToken={this.props.sideToAssetToken[Side.deposit]} + updateChosenAssetToken={dispatcher.updateChosenAssetToken.bind(dispatcher)} + tokenByAddress={this.props.tokenByAddress} + /> + <TokenAmountInput + label="Sell amount" + token={depositToken} + tokenState={depositTokenState} + amount={this.props.sideToAssetToken[Side.deposit].amount} + onChange={this.onTokenAmountChange.bind(this, depositToken, Side.deposit)} + shouldShowIncompleteErrs={this.state.shouldShowIncompleteErrs} + shouldCheckBalance={true} + shouldCheckAllowance={true} + /> + </div> + <div className="lg-col md-col lg-col-2 md-col-2 sm-col sm-col-2 xs-hide"> + <div className="p1"> + <SwapIcon + swapTokensFn={dispatcher.swapAssetTokenSymbols.bind(dispatcher)} + /> + </div> + </div> + <div className="lg-col md-col lg-col-5 md-col-5 sm-col sm-col-5 sm-pb2"> + <TokenInput + userAddress={this.props.userAddress} + blockchain={this.props.blockchain} + blockchainErr={this.props.blockchainErr} + dispatcher={this.props.dispatcher} + label="Buying" + side={Side.receive} + networkId={this.props.networkId} + assetToken={this.props.sideToAssetToken[Side.receive]} + updateChosenAssetToken={dispatcher.updateChosenAssetToken.bind(dispatcher)} + tokenByAddress={this.props.tokenByAddress} + /> + <TokenAmountInput + label="Receive amount" + token={receiveToken} + tokenState={receiveTokenState} + amount={this.props.sideToAssetToken[Side.receive].amount} + onChange={this.onTokenAmountChange.bind(this, receiveToken, Side.receive)} + shouldShowIncompleteErrs={this.state.shouldShowIncompleteErrs} + shouldCheckBalance={false} + shouldCheckAllowance={false} + /> + </div> + </div> + </div> + <div className="pt1 sm-pb2 lg-px4 md-px4"> + <div className="lg-px3 md-px3"> + <div style={{fontSize: 12, color: colors.grey500}}>Expiration</div> + <ExpirationInput + orderExpiryTimestamp={this.props.orderExpiryTimestamp} + updateOrderExpiry={dispatcher.updateOrderExpiry.bind(dispatcher)} + /> + </div> + </div> + <div className="pt1 flex mx-auto"> + <IdenticonAddressInput + label="Taker" + initialAddress={this.props.orderTakerAddress} + updateOrderAddress={this.updateOrderAddress.bind(this)} + /> + <div className="pt3"> + <div className="pl1"> + <HelpTooltip + explanation={takerExplanation} + /> + </div> + </div> + </div> + <div> + <HashInput + blockchain={this.props.blockchain} + blockchainIsLoaded={this.props.blockchainIsLoaded} + hashData={this.props.hashData} + label="Order Hash" + /> + </div> + <div className="pt2"> + <div className="center"> + <LifeCycleRaisedButton + labelReady="Sign hash" + labelLoading="Signing..." + labelComplete="Hash signed!" + onClickAsyncFn={this.onSignClickedAsync.bind(this)} + /> + </div> + {this.state.globalErrMsg !== '' && + <Alert type={AlertTypes.ERROR} message={this.state.globalErrMsg} /> + } + </div> + </div> + <Dialog + title="Order JSON" + titleStyle={{fontWeight: 100}} + modal={false} + open={this.state.signingState === SigningState.SIGNED} + onRequestClose={this.onCloseOrderJSONDialog.bind(this)} + > + <OrderJSON + exchangeContractIfExists={exchangeContractIfExists} + orderExpiryTimestamp={this.props.orderExpiryTimestamp} + orderSignatureData={this.props.orderSignatureData} + orderTakerAddress={this.props.orderTakerAddress} + orderMakerAddress={this.props.userAddress} + orderSalt={this.props.orderSalt} + orderMakerFee={this.props.hashData.makerFee} + orderTakerFee={this.props.hashData.takerFee} + orderFeeRecipient={this.props.hashData.feeRecipientAddress} + networkId={this.props.networkId} + sideToAssetToken={this.props.sideToAssetToken} + tokenByAddress={this.props.tokenByAddress} + /> + </Dialog> + </div> + ); + } + private onTokenAmountChange(token: Token, side: Side, isValid: boolean, amount?: BigNumber) { + this.props.dispatcher.updateChosenAssetToken(side, {address: token.address, amount}); + } + private onCloseOrderJSONDialog() { + // Upon closing the order JSON dialog, we update the orderSalt stored in the Redux store + // with a new value so that if a user signs the identical order again, the newly signed + // orderHash will not collide with the previously generated orderHash. + this.props.dispatcher.updateOrderSalt(ZeroEx.generatePseudoRandomSalt()); + this.setState({ + signingState: SigningState.UNSIGNED, + }); + } + private async onSignClickedAsync(): Promise<boolean> { + if (this.props.blockchainErr !== '') { + this.props.dispatcher.updateShouldBlockchainErrDialogBeOpen(true); + return false; + } + + // Check if all required inputs were supplied + const debitToken = this.props.sideToAssetToken[Side.deposit]; + const debitBalance = this.props.tokenStateByAddress[debitToken.address].balance; + const debitAllowance = this.props.tokenStateByAddress[debitToken.address].allowance; + const receiveAmount = this.props.sideToAssetToken[Side.receive].amount; + if (!_.isUndefined(debitToken.amount) && !_.isUndefined(receiveAmount) && + debitToken.amount.gt(0) && receiveAmount.gt(0) && + this.props.userAddress !== '' && + debitBalance.gte(debitToken.amount) && debitAllowance.gte(debitToken.amount)) { + const didSignSuccessfully = await this.signTransactionAsync(); + if (didSignSuccessfully) { + this.setState({ + globalErrMsg: '', + shouldShowIncompleteErrs: false, + }); + } + return didSignSuccessfully; + } else { + let globalErrMsg = 'You must fix the above errors in order to generate a valid order'; + if (this.props.userAddress === '') { + globalErrMsg = 'You must enable wallet communication'; + this.props.dispatcher.updateShouldBlockchainErrDialogBeOpen(true); + } + this.setState({ + globalErrMsg, + shouldShowIncompleteErrs: true, + }); + return false; + } + } + private async signTransactionAsync(): Promise<boolean> { + this.setState({ + signingState: SigningState.SIGNING, + }); + const exchangeContractAddr = this.props.blockchain.getExchangeContractAddressIfExists(); + if (_.isUndefined(exchangeContractAddr)) { + this.props.dispatcher.updateShouldBlockchainErrDialogBeOpen(true); + this.setState({ + isSigning: false, + }); + return false; + } + const hashData = this.props.hashData; + + const zeroExOrder: Order = { + exchangeContractAddress: exchangeContractAddr, + expirationUnixTimestampSec: hashData.orderExpiryTimestamp, + feeRecipient: hashData.feeRecipientAddress, + maker: hashData.orderMakerAddress, + makerFee: hashData.makerFee, + makerTokenAddress: hashData.depositTokenContractAddr, + makerTokenAmount: hashData.depositAmount, + salt: hashData.orderSalt, + taker: hashData.orderTakerAddress, + takerFee: hashData.takerFee, + takerTokenAddress: hashData.receiveTokenContractAddr, + takerTokenAmount: hashData.receiveAmount, + }; + const orderHash = ZeroEx.getOrderHashHex(zeroExOrder); + + let globalErrMsg = ''; + try { + const signatureData = await this.props.blockchain.signOrderHashAsync(orderHash); + const order = utils.generateOrder(this.props.networkId, exchangeContractAddr, this.props.sideToAssetToken, + hashData.orderExpiryTimestamp, this.props.orderTakerAddress, + this.props.userAddress, hashData.makerFee, hashData.takerFee, + hashData.feeRecipientAddress, signatureData, this.props.tokenByAddress, + hashData.orderSalt); + const validationResult = this.validator.validate(order, orderSchema); + if (validationResult.errors.length > 0) { + globalErrMsg = 'Order signing failed. Please refresh and try again'; + utils.consoleLog(`Unexpected error occured: Order validation failed: + ${validationResult.errors}`); + } + } catch (err) { + const errMsg = '' + err; + if (utils.didUserDenyWeb3Request(errMsg)) { + globalErrMsg = 'User denied sign request'; + } else { + globalErrMsg = 'An unexpected error occured. Please try refreshing the page'; + utils.consoleLog(`Unexpected error occured: ${err}`); + utils.consoleLog(err.stack); + await errorReporter.reportAsync(err); + } + } + this.setState({ + signingState: globalErrMsg === '' ? SigningState.SIGNED : SigningState.UNSIGNED, + globalErrMsg, + }); + return globalErrMsg === ''; + } + private updateOrderAddress(address?: string): void { + if (!_.isUndefined(address)) { + this.props.dispatcher.updateOrderTakerAddress(address); + } + } +} |