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change helper method to return a boolean

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This commit is contained in:
Steve Klebanoff
2019-01-16 15:45:01 -08:00
parent 466ec6b22a
commit ff8250cd35
1 changed files with 5 additions and 4 deletions
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9
packages/instant/src/index.umd.ts
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@@ -1,4 +1,4 @@
import { AssetBuyer } from '@0x/asset-buyer'; import { AssetBuyer, BigNumber } from '@0x/asset-buyer';
import { assetDataUtils } from '@0x/order-utils'; import { assetDataUtils } from '@0x/order-utils';
import { Provider } from 'ethereum-types'; import { Provider } from 'ethereum-types';
import * as _ from 'lodash'; import * as _ from 'lodash';
@@ -138,12 +138,12 @@ export const hasMetaDataForAssetData = (assetData: string): boolean => {
return assetMetaDataMap[assetData] !== undefined; return assetMetaDataMap[assetData] !== undefined;
}; };
export const getLiquidityForAssetDataAsync = async ( export const hasLiquidityForAssetDataAsync = async (
assetData: string, assetData: string,
orderSource: OrderSource, orderSource: OrderSource,
networkId: Network = Network.Mainnet, networkId: Network = Network.Mainnet,
provider?: Provider, provider?: Provider,
) => { ): Promise<boolean> => {
assert.isHexString('assetData', assetData); assert.isHexString('assetData', assetData);
assert.isValidOrderSource('orderSource', orderSource); assert.isValidOrderSource('orderSource', orderSource);
assert.isNumber('networkId', networkId); assert.isNumber('networkId', networkId);
@@ -161,7 +161,8 @@ export const getLiquidityForAssetDataAsync = async (
? AssetBuyer.getAssetBuyerForStandardRelayerAPIUrl(bestProvider, orderSource, assetBuyerOptions) ? AssetBuyer.getAssetBuyerForStandardRelayerAPIUrl(bestProvider, orderSource, assetBuyerOptions)
: AssetBuyer.getAssetBuyerForProvidedOrders(bestProvider, orderSource, assetBuyerOptions); : AssetBuyer.getAssetBuyerForProvidedOrders(bestProvider, orderSource, assetBuyerOptions);
return assetBuyer.getLiquidityForAssetDataAsync(assetData); const liquidity = await assetBuyer.getLiquidityForAssetDataAsync(assetData);
return liquidity.ethValueAvailableInWei.gt(new BigNumber(0));
}; };
// Write version info to the exported object for debugging // Write version info to the exported object for debugging