5 files changed, 29 insertions, 1 deletions
diff --git a/packages/json-schemas/package.json b/packages/json-schemas/package.json
index 60a79d165..603e5ab73 100644
--- a/packages/json-schemas/package.json
+++ b/packages/json-schemas/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/json-schemas",
-    "version": "0.7.24",
+    "version": "1.0.0",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/packages/json-schemas/schemas/ec_signature_schema.ts b/packages/json-schemas/schemas/ec_signature_schema.ts
new file mode 100644
index 000000000..71b840dd8
--- /dev/null
+++ b/packages/json-schemas/schemas/ec_signature_schema.ts
@@ -0,0 +1,20 @@
+export const ecSignatureParameterSchema = {
+    id: '/ECSignatureParameter',
+    type: 'string',
+    pattern: '^0[xX][0-9A-Fa-f]{64}$',
+};
+
+export const ecSignatureSchema = {
+    id: '/ECSignature',
+    properties: {
+        v: {
+            type: 'number',
+            minimum: 27,
+            maximum: 28,
+        },
+        r: { $ref: '/ECSignatureParameter' },
+        s: { $ref: '/ECSignatureParameter' },
+    },
+    required: ['v', 'r', 's'],
+    type: 'object',
+};
diff --git a/packages/json-schemas/schemas/order_schemas.ts b/packages/json-schemas/schemas/order_schemas.ts
index 183118c23..dcbfde6e0 100644
--- a/packages/json-schemas/schemas/order_schemas.ts
+++ b/packages/json-schemas/schemas/order_schemas.ts
@@ -5,11 +5,13 @@ export const orderSchema = {
         takerAddress: { $ref: '/Address' },
         makerFee: { $ref: '/Number' },
         takerFee: { $ref: '/Number' },
+        senderAddress: { $ref: '/Address' },
         makerAssetAmount: { $ref: '/Number' },
         takerAssetAmount: { $ref: '/Number' },
         makerAssetData: { $ref: '/Hex' },
         takerAssetData: { $ref: '/Hex' },
         salt: { $ref: '/Number' },
+        exchangeAddress: { $ref: '/Address' },
         feeRecipientAddress: { $ref: '/Address' },
         expirationTimeSeconds: { $ref: '/Number' },
     },
@@ -18,11 +20,13 @@ export const orderSchema = {
         'takerAddress',
         'makerFee',
         'takerFee',
+        'senderAddress',
         'makerAssetAmount',
         'takerAssetAmount',
         'makerAssetData',
         'takerAssetData',
         'salt',
+        'exchangeAddress',
         'feeRecipientAddress',
         'expirationTimeSeconds',
     ],
diff --git a/packages/json-schemas/src/schemas.ts b/packages/json-schemas/src/schemas.ts
index 26d6e6cf1..77ea88f5c 100644
--- a/packages/json-schemas/src/schemas.ts
+++ b/packages/json-schemas/src/schemas.ts
@@ -1,5 +1,6 @@
 import { addressSchema, hexSchema, numberSchema } from '../schemas/basic_type_schemas';
 import { blockParamSchema, blockRangeSchema } from '../schemas/block_range_schema';
+import { ecSignatureSchema } from '../schemas/ec_signature_schema';
 import { indexFilterValuesSchema } from '../schemas/index_filter_values_schema';
 import { orderCancellationRequestsSchema } from '../schemas/order_cancel_schema';
 import { orderFillOrKillRequestsSchema } from '../schemas/order_fill_or_kill_requests_schema';
@@ -31,6 +32,7 @@ export const schemas = {
     numberSchema,
     addressSchema,
     hexSchema,
+    ecSignatureSchema,
     indexFilterValuesSchema,
     orderCancellationRequestsSchema,
     orderFillOrKillRequestsSchema,
diff --git a/packages/json-schemas/test/schema_test.ts b/packages/json-schemas/test/schema_test.ts
index 379f92442..3858c7fa7 100644
--- a/packages/json-schemas/test/schema_test.ts
+++ b/packages/json-schemas/test/schema_test.ts
@@ -171,6 +171,7 @@ describe('Schema', () => {
         const order = {
             makerAddress: NULL_ADDRESS,
             takerAddress: NULL_ADDRESS,
+            senderAddress: NULL_ADDRESS,
             makerFee: '1',
             takerFee: '2',
             makerAssetAmount: '1',
@@ -179,6 +180,7 @@ describe('Schema', () => {
             takerAssetData: NULL_ADDRESS,
             salt: '67006738228878699843088602623665307406148487219438534730168799356281242528500',
             feeRecipientAddress: NULL_ADDRESS,
+            exchangeAddress: NULL_ADDRESS,
             expirationTimeSeconds: '42',
         };
         describe('#orderSchema', () => {