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import { AssetBuyer, BuyQuote } from '@0xproject/asset-buyer';
import { ObjectMap } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import * as _ from 'lodash';
import { Asset, AssetMetaData, AsyncProcessState } from '../types';
import { assetUtils } from '../util/asset';
import { Action, ActionTypes } from './actions';
export interface State {
assetBuyer?: AssetBuyer;
assetMetaDataMap: ObjectMap<AssetMetaData>;
selectedAsset?: Asset;
selectedAssetAmount?: BigNumber;
selectedAssetBuyState: AsyncProcessState;
ethUsdPrice?: BigNumber;
latestBuyQuote?: BuyQuote;
}
export const INITIAL_STATE: State = {
selectedAssetAmount: undefined,
assetMetaDataMap: {},
selectedAssetBuyState: AsyncProcessState.NONE,
ethUsdPrice: undefined,
latestBuyQuote: undefined,
};
// TODO: Figure out why there is an INITIAL_STATE key in the store...
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,
};
case ActionTypes.UPDATE_SELECTED_ASSET_BUY_STATE:
return {
...state,
selectedAssetBuyState: action.data,
};
case ActionTypes.UPDATE_SELECTED_ASSET:
const newSelectedAssetData = action.data;
let newSelectedAsset: Asset | undefined;
if (!_.isUndefined(newSelectedAssetData)) {
newSelectedAsset = assetUtils.createAssetFromAssetData(newSelectedAssetData, state.assetMetaDataMap);
}
return {
...state,
selectedAsset: newSelectedAsset,
};
default:
return state;
}
};
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