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import { StandardRelayerAPIOrderProvider } from '@0x/asset-buyer';
import { getContractAddressesForNetworkOrThrow } from '@0x/contract-addresses';
import { assetDataUtils } from '@0x/order-utils';
import { ObjectMap } from '@0x/types';
import * as _ from 'lodash';
import * as React from 'react';
import { Container } from 'ts/components/ui/container';
import { MultiSelect } from 'ts/components/ui/multi_select';
import { Select, SelectItemConfig } from 'ts/components/ui/select';
import { Spinner } from 'ts/components/ui/spinner';
import { Text } from 'ts/components/ui/text';
import { colors } from 'ts/style/colors';
import { WebsiteBackendTokenInfo } from 'ts/types';
import { backendClient } from 'ts/utils/backend_client';
import { constants } from 'ts/utils/constants';
import { ZeroExInstantBaseConfig } from '../../../../instant/src/types';
export interface ConfigGeneratorProps {
value: ZeroExInstantBaseConfig;
onConfigChange: (config: ZeroExInstantBaseConfig) => void;
}
export interface ConfigGeneratorState {
isLoadingAvailableTokens: boolean;
// Address to token info
allKnownTokens: ObjectMap<WebsiteBackendTokenInfo>;
availableTokens?: WebsiteBackendTokenInfo[];
}
const SRA_ENDPOINTS = ['https://api.radarrelay.com/0x/v2/', 'https://api.openrelay.xyz/v2/'];
export class ConfigGenerator extends React.Component<ConfigGeneratorProps> {
public state: ConfigGeneratorState = {
isLoadingAvailableTokens: true,
allKnownTokens: {},
};
public componentDidMount(): void {
this._setAllKnownTokens(this._setAvailableAssetsFromOrderProvider);
}
public componentDidUpdate(prevProps: ConfigGeneratorProps): void {
if (prevProps.value.orderSource !== this.props.value.orderSource) {
this._setAvailableAssetsFromOrderProvider();
}
}
public render(): React.ReactNode {
const { value } = this.props;
if (!_.isString(value.orderSource)) {
throw new Error('ConfigGenerator component only supports string values as an orderSource.');
}
return (
<Container>
<ConfigGeneratorSection title="Standard Relayer API Endpoint">
<Select value={value.orderSource} items={this._generateItems()} />
</ConfigGeneratorSection>
<ConfigGeneratorSection title="What tokens can users buy?">
{this._renderTokenMultiSelectOrSpinner()}
</ConfigGeneratorSection>
</Container>
);
}
private readonly _generateItems = (): SelectItemConfig[] => {
return _.map(SRA_ENDPOINTS, endpoint => ({
text: endpoint,
onClick: this._handleSRASelection.bind(this, endpoint),
}));
};
private readonly _handleSRASelection = (sraEndpoint: string) => {
const newConfig = {
...this.props.value,
orderSource: sraEndpoint,
};
this.props.onConfigChange(newConfig);
};
private readonly _handleTokenClick = (assetData: string) => {
const { value } = this.props;
let newAvailableAssetDatas = [];
if (_.includes(value.availableAssetDatas, assetData)) {
// Add it
newAvailableAssetDatas = [...value.availableAssetDatas, assetData];
} else {
// Remove it
newAvailableAssetDatas = _.remove(value.availableAssetDatas, assetData);
}
const newConfig = {
...this.props.value,
availableAssetDatas: newAvailableAssetDatas,
};
this.props.onConfigChange(newConfig);
};
private _setAllKnownTokens = async (callback: () => void): Promise<void> => {
const tokenInfos = await backendClient.getTokenInfosAsync();
const allKnownTokens = _.reduce(
tokenInfos,
(acc, tokenInfo) => {
acc[tokenInfo.address] = tokenInfo;
return acc;
},
{} as ObjectMap<WebsiteBackendTokenInfo>,
);
this.setState({ allKnownTokens }, callback);
};
private _setAvailableAssetsFromOrderProvider = async (): Promise<void> => {
const { value } = this.props;
if (!_.isUndefined(value.orderSource) && _.isString(value.orderSource)) {
this.setState({ isLoadingAvailableTokens: true });
const networkId = constants.NETWORK_ID_MAINNET;
const sraOrderProvider = new StandardRelayerAPIOrderProvider(value.orderSource, networkId);
const etherTokenAddress = getContractAddressesForNetworkOrThrow(networkId).etherToken;
const etherTokenAssetData = assetDataUtils.encodeERC20AssetData(etherTokenAddress);
const assetDatas = await sraOrderProvider.getAvailableMakerAssetDatasAsync(etherTokenAssetData);
const availableTokens = _.compact(
_.map(assetDatas, assetData => {
const address = assetDataUtils.decodeAssetDataOrThrow(assetData).tokenAddress;
return this.state.allKnownTokens[address];
}),
);
this.setState({ availableTokens, isLoadingAvailableTokens: false });
}
};
private _renderTokenMultiSelectOrSpinner = (): React.ReactNode => {
const { value } = this.props;
const { availableTokens, isLoadingAvailableTokens } = this.state;
if (isLoadingAvailableTokens) {
return (
<Container className="flex items-center">
<Spinner />
</Container>
);
}
const items = _.map(availableTokens, token => {
const assetData = assetDataUtils.encodeERC20AssetData(token.address);
return {
value: assetDataUtils.encodeERC20AssetData(token.address),
displayText: (
<Text>
<b>{token.symbol}</b> - {token.name}
</Text>
),
onClick: this._handleTokenClick.bind(this, assetData),
};
});
return <MultiSelect items={items} selectedValues={value.availableAssetDatas || []} />;
};
}
export interface ConfigGeneratorSectionProps {
title: string;
actionText?: string;
onActionTextClick?: () => void;
}
export const ConfigGeneratorSection: React.StatelessComponent<ConfigGeneratorSectionProps> = props => (
<Container marginBottom="30px">
<Container marginBottom="10px">
<Text fontColor={colors.white} fontSize="16px" lineHeight="18px">
{props.title}
</Text>
</Container>
{props.children}
</Container>
);
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