3 files changed, 25 insertions, 16 deletions
diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index 8abc5bd99..6acfbb98a 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "0.8.0",
+        "changes": [
+            {
+                "note": "Change the order type to v2 format",
+                "pr": 618
+            }
+        ]
+    },
+    {
         "version": "0.7.0",
         "changes": [
             {
diff --git a/packages/types/package.json b/packages/types/package.json
index 0968c6b7a..d9afe5afc 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/types",
-    "version": "0.7.0",
+    "version": "0.7.1",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 055c47e0a..7831f580e 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -282,22 +282,26 @@ export interface RawLogEntry {
 }
 
 export interface Order {
-    maker: string;
-    taker: string;
+    senderAddress: string;
+    makerAddress: string;
+    takerAddress: string;
     makerFee: BigNumber;
     takerFee: BigNumber;
-    makerTokenAmount: BigNumber;
-    takerTokenAmount: BigNumber;
-    makerTokenAddress: string;
-    takerTokenAddress: string;
+    makerAssetAmount: BigNumber;
+    takerAssetAmount: BigNumber;
+    makerAssetData: string;
+    takerAssetData: string;
     salt: BigNumber;
-    exchangeContractAddress: string;
-    feeRecipient: string;
-    expirationUnixTimestampSec: BigNumber;
+    feeRecipientAddress: string;
+    expirationTimeSeconds: BigNumber;
 }
 
-export interface SignedOrder extends Order {
-    ecSignature: ECSignature;
+export interface SignedOrder extends UnsignedOrder {
+    signature: string;
+}
+
+export interface UnsignedOrder extends Order {
+    exchangeAddress: string;
 }
 
 /**
@@ -349,10 +353,6 @@ export interface Artifact {
     };
 }
 
-export type OrderAddresses = [string, string, string, string, string];
-
-export type OrderValues = [BigNumber, BigNumber, BigNumber, BigNumber, BigNumber, BigNumber];
-
 export type DoneCallback = (err?: Error) => void;
 
 export interface OrderRelevantState {