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authorBrandon Millman <brandon.millman@gmail.com>2018-09-15 20:53:04 +0800
committerBrandon Millman <brandon.millman@gmail.com>2018-09-15 20:53:04 +0800
commit9ec2b5a2d53bad2820b297f90bd16528f87537eb (patch)
tree4e4a9a232aa6abcc0fad01cabfe1ade4e18afc81
parentaf40989f5f6b606172370d8e878c51ce2e7382eb (diff)
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Add factory method on AssetBuyer for specific token address
-rw-r--r--packages/asset-buyer/src/asset_buyer.ts21
1 files changed, 20 insertions, 1 deletions
diff --git a/packages/asset-buyer/src/asset_buyer.ts b/packages/asset-buyer/src/asset_buyer.ts
index a68658d22..bb3d6d77c 100644
--- a/packages/asset-buyer/src/asset_buyer.ts
+++ b/packages/asset-buyer/src/asset_buyer.ts
@@ -7,6 +7,8 @@ import { Provider } from 'ethereum-types';
import * as _ from 'lodash';
import { constants } from './constants';
+import { ProvidedOrderFetcher } from './order_fetchers/provided_order_fetcher';
+import { StandardRelayerAPIOrderFetcher } from './order_fetchers/standard_relayer_api_order_fetcher';
import {
AssetBuyerError,
AssetBuyerOrdersAndFillableAmounts,
@@ -14,7 +16,7 @@ import {
OrderFetcher,
OrderFetcherResponse,
} from './types';
-import { ProvidedOrderFetcher } from './order_fetchers/provided_order_fetcher';
+
import { assert } from './utils/assert';
import { buyQuoteCalculator } from './utils/buy_quote_calculator';
import { orderFetcherResponseProcessor } from './utils/order_fetcher_response_processor';
@@ -53,6 +55,23 @@ export class AssetBuyer {
const assetBuyer = new AssetBuyer(provider, assetData, orderFetcher, networkId, orderRefreshIntervalMs);
return assetBuyer;
}
+ public static getAssetBuyerForERC20TokenAddress(
+ provider: Provider,
+ tokenAddress: string,
+ sraApiUrl: string,
+ networkId: number = constants.MAINNET_NETWORK_ID,
+ orderRefreshIntervalMs: number = DEFAULT_ORDER_REFRESH_INTERVAL_MS,
+ ): AssetBuyer {
+ assert.isWeb3Provider('provider', provider);
+ assert.isETHAddressHex('tokenAddress', tokenAddress);
+ assert.isWebUri('sraApiUrl', sraApiUrl);
+ assert.isNumber('networkId', networkId);
+ assert.isNumber('orderRefreshIntervalMs', orderRefreshIntervalMs);
+ const assetData = assetDataUtils.encodeERC20AssetData(tokenAddress);
+ const orderFetcher = new StandardRelayerAPIOrderFetcher(sraApiUrl);
+ const assetBuyer = new AssetBuyer(provider, assetData, orderFetcher, networkId, orderRefreshIntervalMs);
+ return assetBuyer;
+ }
/**
* Instantiates a new AssetBuyer instance
* @param provider The Provider instance you would like to use for interacting with the Ethereum network.