From ab53e286693216d28d3011032cfcecdf497f1383 Mon Sep 17 00:00:00 2001
From: Jaco Greeff <jacogr@gmail.com>
Date: Tue, 15 Jun 2021 08:22:02 +0300
Subject: [PATCH 1/2] Add support for childstate_getKeysPaged RPC

---
 CHANGELOG.md                                  |  7 +++++
 .../src/interfaces/childstate/definitions.ts  | 31 +++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3e0bd0d5e3a..a543e53b552c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # CHANGELOG
 
+## master
+
+Changes:
+
+- Added `childstate_getKeysPaged` RPC
+
+
 ## 4.14.1 Jun 14, 2021
 
 Upgrade priority: Low. Internal adjustment only, no major external usage changes.
diff --git a/packages/types/src/interfaces/childstate/definitions.ts b/packages/types/src/interfaces/childstate/definitions.ts
index 7d7dc7b305e4..4899d17a8069 100644
--- a/packages/types/src/interfaces/childstate/definitions.ts
+++ b/packages/types/src/interfaces/childstate/definitions.ts
@@ -28,6 +28,37 @@ export default {
       ],
       type: 'Vec<StorageKey>'
     },
+    getKeysPaged: {
+      alias: ['childstate_getKeysPagedAt'],
+      description: 'Returns the keys with prefix from a child storage with pagination support',
+      params: [
+        {
+          name: 'childKey',
+          type: 'PrefixedStorageKey'
+        },
+        {
+          name: 'prefix',
+          type: 'StorageKey',
+          isOptional: true
+        },
+        {
+          name: 'count',
+          type: 'u32'
+        },
+        {
+          name: 'startKey',
+          type: 'StorageKey',
+          isOptional: true
+        },
+        {
+          name: 'at',
+          type: 'Hash',
+          isHistoric: true,
+          isOptional: true
+        }
+      ],
+      type: 'Vec<StorageKey>'
+    },
     getStorage: {
       description: 'Returns a child storage entry at a specific block state',
       params: [

From 07f0141f207ec69645ce186ba8b8a80f7d595203 Mon Sep 17 00:00:00 2001
From: Jaco Greeff <jacogr@gmail.com>
Date: Tue, 15 Jun 2021 09:01:34 +0300
Subject: [PATCH 2/2] Optional last

---
 packages/types/src/interfaces/childstate/definitions.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/packages/types/src/interfaces/childstate/definitions.ts b/packages/types/src/interfaces/childstate/definitions.ts
index 4899d17a8069..36d10287407c 100644
--- a/packages/types/src/interfaces/childstate/definitions.ts
+++ b/packages/types/src/interfaces/childstate/definitions.ts
@@ -38,8 +38,7 @@ export default {
         },
         {
           name: 'prefix',
-          type: 'StorageKey',
-          isOptional: true
+          type: 'StorageKey'
         },
         {
           name: 'count',