From facf31f77edb582a3b2d56eb233456bb8ab88b01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Silva?= <andre.beat@gmail.com>
Date: Tue, 1 Oct 2019 07:44:33 +0100
Subject: [PATCH] srml: system: add kill_prefix (#3729)
* srml: system: add kill_prefix
* node: bump spec_version
---
substrate/node/runtime/src/lib.rs | 4 ++--
substrate/srml/system/src/lib.rs | 7 +++++++
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/substrate/node/runtime/src/lib.rs b/substrate/node/runtime/src/lib.rs
index c7314270337..b7bb26ee00d 100644
--- a/substrate/node/runtime/src/lib.rs
+++ b/substrate/node/runtime/src/lib.rs
@@ -84,8 +84,8 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
// and set impl_version to equal spec_version. If only runtime
// implementation changes and behavior does not, then leave spec_version as
// is and increment impl_version.
- spec_version: 166,
- impl_version: 166,
+ spec_version: 167,
+ impl_version: 167,
apis: RUNTIME_API_VERSIONS,
};
diff --git a/substrate/srml/system/src/lib.rs b/substrate/srml/system/src/lib.rs
index ecbfb598df7..5a1115b90d7 100644
--- a/substrate/srml/system/src/lib.rs
+++ b/substrate/srml/system/src/lib.rs
@@ -278,6 +278,13 @@ decl_module! {
storage::unhashed::kill(&key);
}
}
+
+ /// Kill all storage items with a key that starts with the given prefix.
+ #[weight = SimpleDispatchInfo::FixedOperational(10_000)]
+ fn kill_prefix(origin, prefix: Key) {
+ ensure_root(origin)?;
+ storage::unhashed::kill_prefix(&prefix);
+ }
}
}
--
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