From 4c9032fedcf9368be37fbda14994ae96f732dd33 Mon Sep 17 00:00:00 2001
From: Jaco <jacogr@gmail.com>
Date: Fri, 21 May 2021 07:58:36 +0300
Subject: [PATCH] Add state_getChildReadProof RPC (#3554)

* Add state_getChildReadProof RPC

* CHANGELOG
---
 CHANGELOG.md                                  |  1 +
 .../types/src/interfaces/state/definitions.ts | 20 +++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e9cf789256..f80796da32 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ Changes:
 - Adjust Westend types for 16 nominators-only
 - Add support for `DisallowSigned` (as per shell runtime) extension
 - Display small hex-slice with u8a decoding failures
+- Add `state_getChildReadProof` RPC
 
 
 ## 4.10.1 May 17, 2021
diff --git a/packages/types/src/interfaces/state/definitions.ts b/packages/types/src/interfaces/state/definitions.ts
index ca34595e56..0c2298b2d6 100644
--- a/packages/types/src/interfaces/state/definitions.ts
+++ b/packages/types/src/interfaces/state/definitions.ts
@@ -310,6 +310,26 @@ export default {
       ],
       type: 'Vec<StorageChangeSet>'
     },
+    getChildReadProof: {
+      description: 'Returns proof of storage for child key entries at a specific block state.',
+      params: [
+        {
+          name: 'childStorageKey',
+          type: 'PrefixedStorageKey'
+        },
+        {
+          name: 'keys',
+          type: 'Vec<StorageKey>'
+        },
+        {
+          name: 'at',
+          type: 'BlockHash',
+          isHistoric: true,
+          isOptional: true
+        }
+      ],
+      type: 'ReadProof'
+    },
     getReadProof: {
       description: 'Returns proof of storage entries at a specific block state',
       params: [