From 3302c892844e85d3a36460cb381abbb62d5730d4 Mon Sep 17 00:00:00 2001
From: Fabio Berger <me@fabioberger.com>
Date: Wed, 30 May 2018 13:52:27 -0700
Subject: Revivie the ECSignatureSchema

---
 packages/json-schemas/schemas/ec_signature_schema.ts | 20 ++++++++++++++++++++
 packages/json-schemas/src/schemas.ts                 |  2 ++
 2 files changed, 22 insertions(+)
 create mode 100644 packages/json-schemas/schemas/ec_signature_schema.ts

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/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,
-- 
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