Return SignedOrder from signing utils.

Create a helper back in EIP712Utils for code cleanup.
Moved constants in order-utils into the constants object

2 files changed, 22 insertions, 2 deletions

diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index 65dd75101..53e1f3716 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -5,6 +5,10 @@
             {
                 "note": "Added `EIP712Parameter` `EIP712Types` `EIP712TypedData` for EIP712 signing",
                 "pr": 1102
+            },
+            {
+                "note": "Added `ZeroExTransaction` type for Exchange executeTransaction",
+                "pr": 1102
             }
         ]
     },
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index d57bdfb6f..6bc966ba1 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -42,6 +42,15 @@ export interface SignedOrder extends Order {
 }
 
 /**
+ * ZeroExTransaction for use with 0x Exchange executeTransaction
+ */
+export interface ZeroExTransaction {
+    salt: BigNumber;
+    signerAddress: string;
+    data: string;
+}
+
+/**
  * Elliptic Curve signature
  */
 export interface ECSignature {
@@ -598,9 +607,16 @@ export interface EIP712Parameter {
 export interface EIP712Types {
     [key: string]: EIP712Parameter[];
 }
+
+export type EIP712ObjectValue = string | number | EIP712Object;
+
+export interface EIP712Object {
+    [key: string]: EIP712ObjectValue;
+}
+
 export interface EIP712TypedData {
     types: EIP712Types;
-    domain: any;
-    message: any;
+    domain: EIP712Object;
+    message: EIP712Object;
     primaryType: string;
 }