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import { BuyQuote } from '@0xproject/asset-buyer';
import { BigNumber } from '@0xproject/utils';
import * as _ from 'lodash';
import { zrxAssetData } from '../constants';
import { AsyncProcessState } from '../types';
import { Action, ActionTypes } from './actions';
export enum LatestErrorDisplay {
Present,
Hidden,
}
export interface State {
selectedAssetData?: string;
selectedAssetAmount?: BigNumber;
buyOrderState: AsyncProcessState;
ethUsdPrice?: BigNumber;
latestBuyQuote?: BuyQuote;
quoteState: AsyncProcessState;
latestError?: any;
latestErrorDisplay: LatestErrorDisplay;
}
export const INITIAL_STATE: State = {
// TODO: Remove hardcoded zrxAssetData
selectedAssetData: zrxAssetData,
selectedAssetAmount: undefined,
buyOrderState: AsyncProcessState.NONE,
ethUsdPrice: undefined,
latestBuyQuote: undefined,
latestError: undefined,
latestErrorDisplay: LatestErrorDisplay.Hidden,
quoteState: AsyncProcessState.NONE,
};
export const reducer = (state: State = INITIAL_STATE, action: Action): State => {
switch (action.type) {
case ActionTypes.UPDATE_ETH_USD_PRICE:
return {
...state,
ethUsdPrice: action.data,
};
case ActionTypes.UPDATE_SELECTED_ASSET_AMOUNT:
return {
...state,
selectedAssetAmount: action.data,
};
case ActionTypes.UPDATE_LATEST_BUY_QUOTE:
return {
...state,
latestBuyQuote: action.data,
quoteState: AsyncProcessState.SUCCESS,
};
case ActionTypes.UPDATE_BUY_QUOTE_STATE_PENDING:
return {
...state,
latestBuyQuote: undefined,
quoteState: AsyncProcessState.PENDING,
};
case ActionTypes.UPDATE_BUY_QUOTE_STATE_FAILURE:
return {
...state,
latestBuyQuote: undefined,
quoteState: AsyncProcessState.FAILURE,
};
case ActionTypes.UPDATE_SELECTED_ASSET_BUY_STATE:
return {
...state,
buyOrderState: action.data,
};
case ActionTypes.SET_ERROR:
return {
...state,
latestError: action.data,
latestErrorDisplay: LatestErrorDisplay.Present,
};
case ActionTypes.HIDE_ERROR:
return {
...state,
latestErrorDisplay: LatestErrorDisplay.Hidden,
};
case ActionTypes.CLEAR_ERROR:
return {
...state,
latestError: undefined,
latestErrorDisplay: LatestErrorDisplay.Hidden,
};
default:
return state;
}
};
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