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-rw-r--r--packages/asset-buyer/src/asset_buyer.ts3
-rw-r--r--packages/asset-buyer/test/asset_buyer_test.ts30
-rw-r--r--packages/instant/src/index.umd.ts30
3 files changed, 54 insertions, 9 deletions
diff --git a/packages/asset-buyer/src/asset_buyer.ts b/packages/asset-buyer/src/asset_buyer.ts
index 77cf403d7..43b60f928 100644
--- a/packages/asset-buyer/src/asset_buyer.ts
+++ b/packages/asset-buyer/src/asset_buyer.ts
@@ -227,7 +227,8 @@ export class AssetBuyer {
assert.isBoolean('shouldForceOrderRefresh', shouldForceOrderRefresh);
const assetPairs = await this.orderProvider.getAvailableMakerAssetDatasAsync(assetData);
- if (!assetPairs.includes(assetData)) {
+ const etherTokenAssetData = this._getEtherTokenAssetDataOrThrow();
+ if (!assetPairs.includes(etherTokenAssetData)) {
return {
tokensAvailableInBaseUnits: 0,
ethValueAvailableInWei: 0,
diff --git a/packages/asset-buyer/test/asset_buyer_test.ts b/packages/asset-buyer/test/asset_buyer_test.ts
index 5e05d5564..9ed51f5e5 100644
--- a/packages/asset-buyer/test/asset_buyer_test.ts
+++ b/packages/asset-buyer/test/asset_buyer_test.ts
@@ -24,6 +24,8 @@ const expect = chai.expect;
const FAKE_SRA_URL = 'https://fakeurl.com';
const FAKE_ASSET_DATA = '0xf47261b00000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48';
const TOKEN_DECIMALS = 18;
+const DAI_ASSET_DATA = '0xf47261b000000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359"';
+const WETH_ASSET_DATA = '0xf47261b0000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2';
const WETH_DECIMALS = constants.ETHER_TOKEN_DECIMALS;
const baseUnitAmount = (unitAmount: number, decimals = TOKEN_DECIMALS): BigNumber => {
@@ -75,14 +77,26 @@ describe('AssetBuyer', () => {
});
});
- it('should return 0s when asset pair not supported', async () => {
- mockAvailableAssetDatas(mockOrderProvider, FAKE_ASSET_DATA, []);
+ describe('asset pair not supported', () => {
+ it('should return 0s when no asset pair not supported', async () => {
+ mockAvailableAssetDatas(mockOrderProvider, FAKE_ASSET_DATA, []);
- const assetBuyer = new AssetBuyer(mockWeb3Provider.object, mockOrderProvider.object);
- const liquidityResult = await assetBuyer.getLiquidityForAssetDataAsync(FAKE_ASSET_DATA);
- expect(liquidityResult).to.deep.equal({
- tokensAvailableInBaseUnits: 0,
- ethValueAvailableInWei: 0,
+ const assetBuyer = new AssetBuyer(mockWeb3Provider.object, mockOrderProvider.object);
+ const liquidityResult = await assetBuyer.getLiquidityForAssetDataAsync(FAKE_ASSET_DATA);
+ expect(liquidityResult).to.deep.equal({
+ tokensAvailableInBaseUnits: 0,
+ ethValueAvailableInWei: 0,
+ });
+ });
+ it('should return 0s when only other asset pair supported', async () => {
+ mockAvailableAssetDatas(mockOrderProvider, FAKE_ASSET_DATA, [DAI_ASSET_DATA]);
+
+ const assetBuyer = new AssetBuyer(mockWeb3Provider.object, mockOrderProvider.object);
+ const liquidityResult = await assetBuyer.getLiquidityForAssetDataAsync(FAKE_ASSET_DATA);
+ expect(liquidityResult).to.deep.equal({
+ tokensAvailableInBaseUnits: 0,
+ ethValueAvailableInWei: 0,
+ });
});
});
@@ -98,7 +112,7 @@ describe('AssetBuyer', () => {
});
beforeEach(() => {
- mockAvailableAssetDatas(mockOrderProvider, FAKE_ASSET_DATA, [FAKE_ASSET_DATA]);
+ mockAvailableAssetDatas(mockOrderProvider, FAKE_ASSET_DATA, [WETH_ASSET_DATA]);
});
it('should return 0s when no orders available', async () => {
diff --git a/packages/instant/src/index.umd.ts b/packages/instant/src/index.umd.ts
index 5a1eb1608..5c0ab8eae 100644
--- a/packages/instant/src/index.umd.ts
+++ b/packages/instant/src/index.umd.ts
@@ -1,4 +1,6 @@
+import { AssetBuyer } from '@0x/asset-buyer';
import { assetDataUtils } from '@0x/order-utils';
+import { Provider } from 'ethereum-types';
import * as _ from 'lodash';
import * as React from 'react';
import * as ReactDOM from 'react-dom';
@@ -12,8 +14,10 @@ import {
} from './constants';
import { assetMetaDataMap } from './data/asset_meta_data_map';
import { ZeroExInstantOverlay, ZeroExInstantOverlayProps } from './index';
+import { Network, OrderSource } from './types';
import { analytics } from './util/analytics';
import { assert } from './util/assert';
+import { providerFactory } from './util/provider_factory';
import { util } from './util/util';
const isInstantRendered = (): boolean => !!document.getElementById(INJECTED_DIV_ID);
@@ -134,6 +138,32 @@ export const hasMetaDataForAssetData = (assetData: string): boolean => {
return assetMetaDataMap[assetData] !== undefined;
};
+export const getLiquidityForAssetDataAsync = async (
+ assetData: string,
+ orderSource: OrderSource,
+ networkId: Network = Network.Mainnet,
+ provider?: Provider,
+) => {
+ assert.isHexString('assetData', assetData);
+ assert.isValidOrderSource('orderSource', orderSource);
+ assert.isNumber('networkId', networkId);
+
+ if (provider !== undefined) {
+ assert.isWeb3Provider('provider', provider);
+ }
+
+ const bestProvider: Provider = provider || providerFactory.getFallbackNoSigningProvider(networkId);
+
+ const assetBuyerOptions = { networkId };
+
+ const assetBuyer =
+ typeof orderSource === 'string'
+ ? AssetBuyer.getAssetBuyerForStandardRelayerAPIUrl(bestProvider, orderSource, assetBuyerOptions)
+ : AssetBuyer.getAssetBuyerForProvidedOrders(bestProvider, orderSource, assetBuyerOptions);
+
+ return assetBuyer.getLiquidityForAssetDataAsync(assetData);
+};
+
// Write version info to the exported object for debugging
export const GIT_SHA = GIT_SHA_FROM_CONSTANT;
export const NPM_VERSION = NPM_PACKAGE_VERSION;