From db086de84ae7a238b91b5ce79fcc1a8e4c830ac5 Mon Sep 17 00:00:00 2001
From: Greg Hysen <greg.hysen@gmail.com>
Date: Wed, 6 Jun 2018 17:14:13 -0700
Subject: Union types for generalized decodeAssetData

---
 packages/contracts/test/asset_proxy/decoder.ts |  4 ++--
 packages/order-utils/src/asset_proxy_utils.ts  | 17 ++++-------------
 packages/types/src/index.ts                    |  6 ------
 3 files changed, 6 insertions(+), 21 deletions(-)

(limited to 'packages')

diff --git a/packages/contracts/test/asset_proxy/decoder.ts b/packages/contracts/test/asset_proxy/decoder.ts
index 6a60c07bb..2577dbba5 100644
--- a/packages/contracts/test/asset_proxy/decoder.ts
+++ b/packages/contracts/test/asset_proxy/decoder.ts
@@ -1,6 +1,6 @@
 import { BlockchainLifecycle, devConstants, web3Factory } from '@0xproject/dev-utils';
 import { assetProxyUtils, generatePseudoRandomSalt } from '@0xproject/order-utils';
-import { AssetData, AssetProxyId, ERC20AssetData, ERC721AssetData } from '@0xproject/types';
+import { AssetProxyId, ERC20AssetData, ERC721AssetData } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import BN = require('bn.js');
@@ -19,7 +19,7 @@ chaiSetup.configure();
 const expect = chai.expect;
 const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
 
-describe('TestAssetDataDecoders', () => {
+describe.only('TestAssetDataDecoders', () => {
     let owner: string;
     let testAssetProxyDecoder: TestAssetDataDecodersContract;
     let testAddress: string;
diff --git a/packages/order-utils/src/asset_proxy_utils.ts b/packages/order-utils/src/asset_proxy_utils.ts
index c7b301c1a..1d34172c7 100644
--- a/packages/order-utils/src/asset_proxy_utils.ts
+++ b/packages/order-utils/src/asset_proxy_utils.ts
@@ -1,4 +1,4 @@
-import { AssetData, AssetProxyId, ERC20AssetData, ERC721AssetData } from '@0xproject/types';
+import { AssetProxyId, ERC20AssetData, ERC721AssetData } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import BN = require('bn.js');
 import ethUtil = require('ethereumjs-util');
@@ -157,24 +157,15 @@ export const assetProxyUtils = {
         const assetProxyId = assetProxyUtils.decodeAssetProxyId(encodedAssetProxyId);
         return assetProxyId;
     },
-    decodeAssetData(assetData: string): AssetData {
+    decodeAssetData(assetData: string): ERC20AssetData | ERC721AssetData {
         const assetProxyId = assetProxyUtils.decodeAssetDataId(assetData);
         switch (assetProxyId) {
             case AssetProxyId.ERC20:
                 const erc20AssetData = assetProxyUtils.decodeERC20AssetData(assetData);
-                const generalizedERC20AssetData = {
-                    assetProxyId,
-                    tokenAddress: erc20AssetData.tokenAddress,
-                };
-                return generalizedERC20AssetData;
+                return erc20AssetData;
             case AssetProxyId.ERC721:
                 const erc721AssetData = assetProxyUtils.decodeERC721AssetData(assetData);
-                const generalizedERC721AssetData = {
-                    assetProxyId,
-                    tokenAddress: erc721AssetData.tokenAddress,
-                    data: erc721AssetData.tokenId,
-                };
-                return generalizedERC721AssetData;
+                return erc721AssetData;
             default:
                 throw new Error(`Unrecognized asset proxy id: ${assetProxyId}`);
         }
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 0f7bb73be..a5da947e1 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -167,9 +167,3 @@ export interface ERC721AssetData {
     tokenId: BigNumber;
     receiverData: string;
 }
-
-export interface AssetData {
-    assetProxyId: AssetProxyId;
-    tokenAddress?: string;
-    data?: any;
-}
-- 
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