4 files changed, 47 insertions, 2 deletions
diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index f1cd2f18e..754cd29dc 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -1,5 +1,15 @@
 [
     {
+        "version": "1.5.0",
+        "changes": [
+            {
+                "note": "Added types for Dutch Auction contract",
+                "pr": 1465
+            }
+        ],
+        "timestamp": 1547040760
+    },
+    {
         "version": "1.4.1",
         "changes": [
             {
@@ -18,6 +28,10 @@
             {
                 "note": "Add RevertReasons for DutchAuction contract",
                 "pr": 1225
+            },
+            {
+                "note": "Add MultiAsset types",
+                "pr": 1363
             }
         ],
         "timestamp": 1544570656
diff --git a/packages/types/CHANGELOG.md b/packages/types/CHANGELOG.md
index 5170eb4db..a1745cf94 100644
--- a/packages/types/CHANGELOG.md
+++ b/packages/types/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.5.0 - _January 9, 2019_
+
+    * Added types for Dutch Auction contract (#1465)
+
 ## v1.4.1 - _December 13, 2018_
 
     * Dependencies updated
@@ -13,6 +17,7 @@ CHANGELOG
 
     * Add `LengthMismatch` and `LengthGreaterThan3Required` revert reasons (#1224)
     * Add RevertReasons for DutchAuction contract (#1225)
+    * Add MultiAsset types (#1363)
 
 ## v1.3.0 - _November 21, 2018_
 
diff --git a/packages/types/package.json b/packages/types/package.json
index 3c4bb6fe6..75c3b7c63 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/types",
-    "version": "1.4.1",
+    "version": "1.5.0",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 4470dd501..49f788fb0 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -110,7 +110,9 @@ export type DoneCallback = (err?: Error) => void;
 
 export interface OrderRelevantState {
     makerBalance: BigNumber;
+    makerIndividualBalances: ObjectMap<BigNumber>;
     makerProxyAllowance: BigNumber;
+    makerIndividualProxyAllowances: ObjectMap<BigNumber>;
     makerFeeBalance: BigNumber;
     makerFeeProxyAllowance: BigNumber;
     filledTakerAssetAmount: BigNumber;
@@ -155,6 +157,7 @@ export enum SignatureType {
 export enum AssetProxyId {
     ERC20 = '0xf47261b0',
     ERC721 = '0x02571792',
+    MultiAsset = '0x94cfcdd7',
 }
 
 export interface ERC20AssetData {
@@ -168,7 +171,21 @@ export interface ERC721AssetData {
     tokenId: BigNumber;
 }
 
-export type AssetData = ERC20AssetData | ERC721AssetData;
+export type SingleAssetData = ERC20AssetData | ERC721AssetData;
+
+export interface MultiAssetData {
+    assetProxyId: string;
+    amounts: BigNumber[];
+    nestedAssetData: string[];
+}
+
+export interface MultiAssetDataWithRecursiveDecoding {
+    assetProxyId: string;
+    amounts: BigNumber[];
+    nestedAssetData: SingleAssetData[];
+}
+
+export type AssetData = SingleAssetData | MultiAssetData | MultiAssetDataWithRecursiveDecoding;
 
 // TODO: DRY. These should be extracted from contract code.
 export enum RevertReason {
@@ -659,3 +676,12 @@ export interface SimpleEvmOutput {
 export interface SimpleEvmBytecodeOutput {
     object: string;
 }
+
+export interface DutchAuctionDetails {
+    beginTimeSeconds: BigNumber;
+    endTimeSeconds: BigNumber;
+    beginAmount: BigNumber;
+    endAmount: BigNumber;
+    currentAmount: BigNumber;
+    currentTimeSeconds: BigNumber;
+}