From ddf6f574f616d28cc0c59354baaf58208a776274 Mon Sep 17 00:00:00 2001
From: Jaco <jacogr@gmail.com>
Date: Fri, 18 Jun 2021 16:39:48 +0300
Subject: [PATCH] XcmOrigin definition (#3675)

* XcmOrigin definition

* CHANGELOG
---
 CHANGELOG.md                                     | 1 +
 packages/metadata/src/v13/toLatest.ts            | 5 ++++-
 packages/types/src/interfaces/xcm/definitions.ts | 5 +++++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c3d8bab48..68853ec886 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ Changes:
 
 - Allow for type decoding of nested fixed vectors, tuples and structs
 - Added `childstate_getKeysPaged` RPC
+- Add `XcmOrigin` mapping for `OriginCaller` generation
 - Align static metadata with latest Substrate
 - Adjust error message for contracts V3 (extrinsic from runtime)
 - Correct module optionality in `api.derive.balances.account`
diff --git a/packages/metadata/src/v13/toLatest.ts b/packages/metadata/src/v13/toLatest.ts
index eeaee9a82d..cee9043785 100644
--- a/packages/metadata/src/v13/toLatest.ts
+++ b/packages/metadata/src/v13/toLatest.ts
@@ -13,10 +13,13 @@ import { stringCamelCase } from '@polkadot/util';
 // in a pure Substrate/Polkadot implementation, any other custom origins won't be handled at all
 const KNOWN_ORIGINS: Record<string, string> = {
   /* eslint-disable sort-keys */
-  // Substrate/Polkadot
+  // Substrate
   Council: 'CollectiveOrigin',
   System: 'SystemOrigin',
   TechnicalCommittee: 'CollectiveOrigin',
+  // Polkadot
+  Xcm: 'XcmOrigin',
+  XcmPallet: 'XcmOrigin',
   // Acala
   Authority: 'AuthorityOrigin',
   GeneralCouncil: 'CollectiveOrigin'
diff --git a/packages/types/src/interfaces/xcm/definitions.ts b/packages/types/src/interfaces/xcm/definitions.ts
index 074ae3b058..e1a7ed160e 100644
--- a/packages/types/src/interfaces/xcm/definitions.ts
+++ b/packages/types/src/interfaces/xcm/definitions.ts
@@ -22,6 +22,11 @@ const xcm = {
   XcmHrmpChannelAccepted: { recipient: 'Compact<u32>' },
   XcmHrmpChannelClosing: { initiator: 'Compact<u32>', sender: 'Compact<u32>', recipient: 'Compact<u32>' },
   XcmRelayedFrom: { who: 'MultiLocation', message: 'Xcm' },
+  XcmOrigin: {
+    _enum: {
+      Xcm: 'MultiLocation'
+    }
+  },
   Xcm: {
     _enum: {
       WithdrawAsset: 'XcmWithdrawAsset',