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Adds ability to trigger tasks via unsigned transactions (#4075)

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This PR updates the `validate_unsigned` hook for `frame_system` to allow
valid tasks to be submitted as unsigned transactions. It also updates
the task example to be able to submit such transactions via an off-chain
worker.

---------

Co-authored-by: Bastian Köcher <git@kchr.de>
This commit is contained in:
gupnik
2024-04-24 11:25:54 +05:30
committed by GitHub
parent ffbce2a817
commit 0a56d071c7
7 changed files with 126 additions and 5 deletions
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substrate/frame/examples/tasks/src/mock.rs
+21
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@@ -20,6 +20,7 @@
use crate::{self as tasks_example};
use frame_support::derive_impl;
use sp_runtime::testing::TestXt;
pub type AccountId = u32;
pub type Balance = u32;
@@ -32,12 +33,32 @@ frame_support::construct_runtime!(
}
);
pub type Extrinsic = TestXt<RuntimeCall, ()>;
#[derive_impl(frame_system::config_preludes::TestDefaultConfig)]
impl frame_system::Config for Runtime {
type Block = Block;
}
impl<LocalCall> frame_system::offchain::SendTransactionTypes<LocalCall> for Runtime
where
RuntimeCall: From<LocalCall>,
{
type OverarchingCall = RuntimeCall;
type Extrinsic = Extrinsic;
}
impl tasks_example::Config for Runtime {
type RuntimeTask = RuntimeTask;
type WeightInfo = ();
}
pub fn advance_to(b: u64) {
#[cfg(feature = "experimental")]
use frame_support::traits::Hooks;
while System::block_number() < b {
System::set_block_number(System::block_number() + 1);
#[cfg(feature = "experimental")]
TasksExample::offchain_worker(System::block_number());
}
}