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Files

T

PG Herveou d38f6e6728 Update benchmarking macros (#3934 )

Current benchmarking macro returns a closure with the captured
benchmarked code.
This can cause issues when the benchmarked code has complex lifetime
requirements.

This PR updates the existing macro by injecting the recording parameter
and invoking the start / stop method around the benchmarked block
instead of returning a closure

One other added benefit is that you can write this kind of code now as
well:

```rust
let v;
#[block]
{ v = func.call(); }
dbg!(v); // or assert something on v
```


[Weights compare
link](https://weights.tasty.limo/compare?unit=weight&ignore_errors=true&threshold=10&method=asymptotic&repo=polkadot-sdk&old=pg/fix-weights&new=pg/bench_update&path_pattern=substrate/frame/**/src/weights.rs,polkadot/runtime/*/src/weights/**/*.rs,polkadot/bridges/modules/*/src/weights.rs,cumulus/**/weights/*.rs,cumulus/**/weights/xcm/*.rs,cumulus/**/src/weights.rs)

---------

Co-authored-by: command-bot <>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Alexander Theißen <alex.theissen@me.com>

2024-04-10 06:44:46 +00:00

src

Update benchmarking macros (#3934 )

2024-04-10 06:44:46 +00:00

Cargo.toml

Align dependencies with parity-bridges-common (#3937 )

2024-04-02 13:41:01 +00:00

README.md

Migrate all doc to new pallet macro (#10187 )

2021-11-18 22:08:17 +00:00

README.md

I'm online Module

If the local node is a validator (i.e. contains an authority key), this module gossips a heartbeat transaction with each new session. The heartbeat functions as a simple mechanism to signal that the node is online in the current era.

Received heartbeats are tracked for one era and reset with each new era. The module exposes two public functions to query if a heartbeat has been received in the current era or session.

The heartbeat is a signed transaction, which was signed using the session key and includes the recent best block number of the local validators chain as well as the NetworkState. It is submitted as an Unsigned Transaction via off-chain workers.

Interface

Public Functions

is_online - True if the validator sent a heartbeat in the current session.

Usage

use pallet_im_online::{self as im_online};

#[frame_support::pallet]
pub mod pallet {
    use super::*;
    use frame_support::pallet_prelude::*;
    use frame_system::pallet_prelude::*;

    #[pallet::pallet]
    pub struct Pallet<T>(_);

    #[pallet::config]
    pub trait Config: frame_system::Config + im_online::Config {}

    #[pallet::call]
    impl<T: Config> Pallet<T> {
        #[pallet::weight(0)]
        pub fn is_online(origin: OriginFor<T>, authority_index: u32) -> DispatchResult {
            let _sender = ensure_signed(origin)?;
            let _is_online = <im_online::Pallet<T>>::is_online(authority_index);
            Ok(())
        }
    }
}

Dependencies

This module depends on the Session module.

License: Apache-2.0