From 00dbc79ebfddff92eca5a736105bcc3cf5c83644 Mon Sep 17 00:00:00 2001
From: Gavin Wood <gavin@parity.io>
Date: Fri, 16 Apr 2021 12:45:55 +0200
Subject: [PATCH] Two-stage upgrade for parachains (#392)
* Authorised upgrade doesn't pay fee
* Origin not needed
* Fixes
---
cumulus/pallets/parachain-system/src/lib.rs | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/cumulus/pallets/parachain-system/src/lib.rs b/cumulus/pallets/parachain-system/src/lib.rs
index 79b8815b3b5..90c832eb0c6 100644
--- a/cumulus/pallets/parachain-system/src/lib.rs
+++ b/cumulus/pallets/parachain-system/src/lib.rs
@@ -258,7 +258,7 @@ decl_module! {
}
#[weight = 1_000_000]
- fn enact_authorized_upgrade(origin, code: Vec<u8>) {
+ fn enact_authorized_upgrade(_origin, code: Vec<u8>) -> DispatchResultWithPostInfo {
// No ensure origin on purpose. We validate by checking the code vs hash in storage.
let required_hash = AuthorizedUpgrade::<T>::get()
.ok_or(Error::<T>::NothingAuthorized)?;
@@ -266,6 +266,7 @@ decl_module! {
ensure!(actual_hash == required_hash, Error::<T>::Unauthorized);
Self::set_code_impl(code)?;
AuthorizedUpgrade::<T>::kill();
+ Ok(Pays::No.into())
}
fn on_finalize() {
--
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