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-rw-r--r--packages/instant/src/util/asset.ts55
1 files changed, 50 insertions, 5 deletions
diff --git a/packages/instant/src/util/asset.ts b/packages/instant/src/util/asset.ts
index 630103c7b..fbfbb19f3 100644
--- a/packages/instant/src/util/asset.ts
+++ b/packages/instant/src/util/asset.ts
@@ -5,7 +5,31 @@ import { assetDataNetworkMapping } from '../data/asset_data_network_mapping';
import { Asset, AssetMetaData, ERC20Asset, Network, ZeroExInstantError } from '../types';
export const assetUtils = {
- createAssetFromAssetData: (
+ createAssetsFromAssetDatas: (
+ assetDatas: string[],
+ assetMetaDataMap: ObjectMap<AssetMetaData>,
+ network: Network,
+ ): Asset[] => {
+ const arrayOfAssetOrUndefined = _.map(assetDatas, assetData =>
+ assetUtils.createAssetFromAssetDataIfExists(assetData, assetMetaDataMap, network),
+ );
+ return _.compact(arrayOfAssetOrUndefined);
+ },
+ createAssetFromAssetDataIfExists: (
+ assetData: string,
+ assetMetaDataMap: ObjectMap<AssetMetaData>,
+ network: Network,
+ ): Asset | undefined => {
+ const metaData = assetUtils.getMetaDataIfExists(assetData, assetMetaDataMap, network);
+ if (_.isUndefined(metaData)) {
+ return;
+ }
+ return {
+ assetData,
+ metaData,
+ };
+ },
+ createAssetFromAssetDataOrThrow: (
assetData: string,
assetMetaDataMap: ObjectMap<AssetMetaData>,
network: Network,
@@ -16,19 +40,33 @@ export const assetUtils = {
};
},
getMetaDataOrThrow: (assetData: string, metaDataMap: ObjectMap<AssetMetaData>, network: Network): AssetMetaData => {
+ const metaDataIfExists = assetUtils.getMetaDataIfExists(assetData, metaDataMap, network);
+ if (_.isUndefined(metaDataIfExists)) {
+ throw new Error(ZeroExInstantError.AssetMetaDataNotAvailable);
+ }
+ return metaDataIfExists;
+ },
+ getMetaDataIfExists: (
+ assetData: string,
+ metaDataMap: ObjectMap<AssetMetaData>,
+ network: Network,
+ ): AssetMetaData | undefined => {
let mainnetAssetData: string | undefined = assetData;
if (network !== Network.Mainnet) {
- const mainnetAssetDataIfExists = assetUtils.getAssociatedAssetDataIfExists(assetData, network);
+ const mainnetAssetDataIfExists = assetUtils.getAssociatedAssetDataIfExists(
+ assetData.toLowerCase(),
+ network,
+ );
// Just so we don't fail in the case where we are on a non-mainnet network,
// but pass in a valid mainnet assetData.
mainnetAssetData = mainnetAssetDataIfExists || assetData;
}
if (_.isUndefined(mainnetAssetData)) {
- throw new Error(ZeroExInstantError.AssetMetaDataNotAvailable);
+ return;
}
- const metaData = metaDataMap[mainnetAssetData];
+ const metaData = metaDataMap[mainnetAssetData.toLowerCase()];
if (_.isUndefined(metaData)) {
- throw new Error(ZeroExInstantError.AssetMetaDataNotAvailable);
+ return;
}
return metaData;
},
@@ -63,4 +101,11 @@ export const assetUtils = {
}
return assetDataGroupIfExists[Network.Mainnet];
},
+ getERC20AssetsFromAssets: (assets: Asset[]): ERC20Asset[] => {
+ const erc20sOrUndefined = _.map(
+ assets,
+ asset => (asset.metaData.assetProxyId === AssetProxyId.ERC20 ? (asset as ERC20Asset) : undefined),
+ );
+ return _.compact(erc20sOrUndefined);
+ },
};