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author | Fabio Berger <me@fabioberger.com> | 2018-11-12 05:11:10 +0800 |
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committer | Fabio Berger <me@fabioberger.com> | 2018-11-12 05:11:10 +0800 |
commit | 0391f93490cffdc69f6cb32f11762d174ed04e37 (patch) | |
tree | 3a8b30a04de1193aa21e5b84bd572db24979a8bf /packages/instant/src/util/asset.ts | |
parent | 399a7d5fec9af4f3491a77f0c2d46738f3d8ffa7 (diff) | |
parent | 397b4e289015f9bb0831c1a0ce6fee601670b487 (diff) | |
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merge development
Diffstat (limited to 'packages/instant/src/util/asset.ts')
-rw-r--r-- | packages/instant/src/util/asset.ts | 70 |
1 files changed, 64 insertions, 6 deletions
diff --git a/packages/instant/src/util/asset.ts b/packages/instant/src/util/asset.ts index 4e3b2b946..fbfbb19f3 100644 --- a/packages/instant/src/util/asset.ts +++ b/packages/instant/src/util/asset.ts @@ -2,10 +2,34 @@ import { AssetProxyId, ObjectMap } from '@0x/types'; import * as _ from 'lodash'; import { assetDataNetworkMapping } from '../data/asset_data_network_mapping'; -import { Asset, AssetMetaData, Network, ZeroExInstantError } from '../types'; +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, @@ -16,16 +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) { - mainnetAssetData = 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; }, @@ -43,6 +84,16 @@ export const assetUtils = { return defaultName; } }, + formattedSymbolForAsset: (asset?: ERC20Asset, defaultName: string = '???'): string => { + if (_.isUndefined(asset)) { + return defaultName; + } + const symbol = asset.metaData.symbol; + if (symbol.length <= 5) { + return symbol; + } + return `${symbol.slice(0, 3)}…`; + }, getAssociatedAssetDataIfExists: (assetData: string, network: Network): string | undefined => { const assetDataGroupIfExists = _.find(assetDataNetworkMapping, value => value[network] === assetData); if (_.isUndefined(assetDataGroupIfExists)) { @@ -50,4 +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); + }, }; |