Initial refactor of order-utils. Move many utils from contracts into this package.

packages/json-schemas/schemas/order_schemas.ts

@@ -11,6 +11,7 @@ export const orderSchema = {
         makerAssetData: { $ref: '/Hex' },
         takerAssetData: { $ref: '/Hex' },
         salt: { $ref: '/Number' },
+        exchangeAddress: { $ref: '/Address' },
         feeRecipientAddress: { $ref: '/Address' },
         expirationTimeSeconds: { $ref: '/Number' },
     },
@@ -25,6 +26,7 @@ export const orderSchema = {
         'makerAssetData',
         'takerAssetData',
         'salt',
+        'exchangeAddress',
         'feeRecipientAddress',
         'expirationTimeSeconds',
     ],

packages/json-schemas/test/schema_test.ts

@@ -180,6 +180,7 @@ describe('Schema', () => {
             takerAssetData: NULL_ADDRESS,
             salt: '67006738228878699843088602623665307406148487219438534730168799356281242528500',
             feeRecipientAddress: NULL_ADDRESS,
+            exchangeAddress: NULL_ADDRESS,
             expirationTimeSeconds: '42',
         };
         describe('#orderSchema', () => {