Bound uses of Call (#11649)

* Introduce preimages module in traits

* Multisize Preimages

* Len not actually necessary

* Tweaks to the preimage API

* Fixes

* Get Scheduler building with new API

* Scheduler tests pass

* Bounded Scheduler 🎉

* Use Agenda holes and introduce IncompleteSince to avoid need to reschedule

* Tests pass with new weight system

* New benchmarks

* Add missing file

* Drop preimage when permenantly overeight

* Drop preimage when permenantly overeight

* Referenda uses latest preimage API

* Testing ok

* Adding tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fmt

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add preimage migration

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Docs

* Remove dbg

* Refactor Democracy

* Refactor Democracy

* Add final MEL

* Remove silly maps

* Fixes

* Minor refactor

* Formatting

* Fixes

* Fixes

* Fixes

* Update frame/preimage/src/lib.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Add migrations to Democracy

* WIP

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Resolve conflicts

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Revert "Resolve conflicts"

This reverts commit 734d66d69e54553471ffa54fa52e3e304dc8f106.

* Undo wrong resolves...

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* WIP

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Make compile

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* massage clippy

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* More clippy

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* clippy annoyance

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* clippy annoyance

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix benchmarks

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* add missing file

* Test <Preimage as QueryPreimage>

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* More tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Clippy harassment

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add test

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* clippy

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fixup tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Remove old stuff

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fmt

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Test <Scheduler as Anon> trait functions

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update pallet-ui tests

Why is this needed? Should not be the case unless master is broken...

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* More scheduler trait test

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* More tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Apply review suggestion

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Beauty fixes

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add Scheduler test migration_v3_to_v4_works

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Merge fixup

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Keep referenda benchmarks instantiatable

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update weights

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Use new scheduler weight functions

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Use new democracy weight functions

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Use weight compare functions

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update pallet-ui tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* More renaming…

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* More renaming…

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add comment

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Implement OnRuntimeUpgrade for scheduler::v3_to_v4 migration

Put the migration into a proper `MigrateToV4` struct and implement
the OnRuntimeUpgrade hooks for it. Also move the test to use that
instead.

This should make it easier for adding it to Polkadot.

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Clippy

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Handle undecodable Agendas

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Remove trash

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix test

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Use new OnRuntimeUpgrade functions

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* fix test

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix BoundedSlice::truncate_from

Co-authored-by: jakoblell

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix pre_upgrade hook return values

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add more error logging

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Find too large preimages in the pre_upgrade hook

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Test that too large Calls in agendas are ignored

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Use new OnRuntimeUpgrade hooks

Why did the CI not catch this?!

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* works fine - just more logs

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix staking migration

Causing issues on Kusama...

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix UI tests

No idea why this is needed. This is actually undoing an earlier change.
Maybe the CI has different rustc versions!?

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Remove multisig's Calls (#12072)

* Remove multisig's Calls

* Multisig: Fix tests and re-introduce reserve logic (#12241)

* Fix tests and re-introduce reserve logic

* fix benches

* add todo

* remove irrelevant bench

* [Feature] Add a migration that drains and refunds stored calls (#12313)

* [Feature] Add a migration that drains and refunds stored calls

* migration fixes

* fixes

* address review comments

* consume the whole block weight

* fix assertions

* license header

* fix interface

Co-authored-by: parity-processbot <>

Co-authored-by: parity-processbot <>
Co-authored-by: Roman Useinov <roman.useinov@gmail.com>

* Fix test

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix multisig benchmarks

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* ".git/.scripts/bench-bot.sh" pallet dev pallet_democracy

* ".git/.scripts/bench-bot.sh" pallet dev pallet_scheduler

* ".git/.scripts/bench-bot.sh" pallet dev pallet_preimage

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: parity-processbot <>
Co-authored-by: Roman Useinov <roman.useinov@gmail.com>

substrate/frame/support/src/traits/dispatch.rs

@@ -236,17 +236,25 @@ pub trait UnfilteredDispatchable {
 	fn dispatch_bypass_filter(self, origin: Self::RuntimeOrigin) -> DispatchResultWithPostInfo;
 }
 
+/// The trait implemented by the overarching enumeration of the different pallets' origins.
+/// Unlike `OriginTrait` impls, this does not include any kind of dispatch/call filter. Also, this
+/// trait is more flexible in terms of how it can be used: it is a `Parameter` and `Member`, so it
+/// can be used as dispatchable parameters as well as in storage items.
+pub trait CallerTrait<AccountId>: Parameter + Member + From<RawOrigin<AccountId>> {
+	/// Extract the signer from the message if it is a `Signed` origin.
+	fn into_system(self) -> Option<RawOrigin<AccountId>>;
+
+	/// Extract a reference to the system-level `RawOrigin` if it is that.
+	fn as_system_ref(&self) -> Option<&RawOrigin<AccountId>>;
+}
+
 /// Methods available on `frame_system::Config::RuntimeOrigin`.
 pub trait OriginTrait: Sized {
 	/// Runtime call type, as in `frame_system::Config::Call`
 	type Call;
 
 	/// The caller origin, overarching type of all pallets origins.
-	type PalletsOrigin: Parameter
-		+ Member
-		+ Into<Self>
-		+ From<RawOrigin<Self::AccountId>>
-		+ MaxEncodedLen;
+	type PalletsOrigin: Into<Self> + CallerTrait<Self::AccountId> + MaxEncodedLen;
 
 	/// The AccountId used across the system.
 	type AccountId;
@@ -266,9 +274,12 @@ pub trait OriginTrait: Sized {
 	/// For root origin caller, the filters are bypassed and true is returned.
 	fn filter_call(&self, call: &Self::Call) -> bool;
 
-	/// Get the caller.
+	/// Get a reference to the caller (`CallerTrait` impl).
 	fn caller(&self) -> &Self::PalletsOrigin;
 
+	/// Consume `self` and return the caller.
+	fn into_caller(self) -> Self::PalletsOrigin;
+
 	/// Do something with the caller, consuming self but returning it if the caller was unused.
 	fn try_with_caller<R>(
 		self,
@@ -285,7 +296,20 @@ pub trait OriginTrait: Sized {
 	fn signed(by: Self::AccountId) -> Self;
 
 	/// Extract the signer from the message if it is a `Signed` origin.
-	fn as_signed(self) -> Option<Self::AccountId>;
+	fn as_signed(self) -> Option<Self::AccountId> {
+		self.into_caller().into_system().and_then(|s| {
+			if let RawOrigin::Signed(who) = s {
+				Some(who)
+			} else {
+				None
+			}
+		})
+	}
+
+	/// Extract a reference to the sytsem origin, if that's what the caller is.
+	fn as_system_ref(&self) -> Option<&RawOrigin<Self::AccountId>> {
+		self.caller().as_system_ref()
+	}
 }
 
 #[cfg(test)]