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Benjamin Kampmann
c78c2892a4
* mark template and utils as non-publish * switch to development version for testing * activate unleash check * maybe if I disable all rules... * Fix isolated compilation of `max-encoded-len-derive` with `syn` error[E0369]: binary operation `==` cannot be applied to type `syn::Path` --> src/lib.rs:88:29 | 88 | .filter(|attr| attr.path == parse_quote!(max_encoded_len_crate)) | --------- ^^ ----------------------------------- _ | | | syn::Path error: aborting due to previous error For more information about this error, try `rustc --explain E0369`. Error: could not compile `max-encoded-len-derive` * WIP: bump changes crates since v3 tag to next breaking cargo unleash version bump-breaking --changed-since v3.0.0 cargo unleash version set-pre dev --changed-since v3.0.0 FIXME: Don't modify crates that are not yet released, e.g. `max-encoded-len-derive` * Update lockfile * WIP: Bump sp-transaction-pool as well * WIP: Bump sp-offchain as well * WIP: Bump frame-system-rpc-runtime-api as well * WIP: Bump sp-authority-discovery as well * Manually deactivate dev-deps before `cargo unleash check` Otherwise we run into `Cycle detected` error. * Bump sp-consensus-slots * Add missing Cargo.lock change * Bump sp-consensus-vrf as well * Bump sp-keyring as well * Bump sp-consensus-pow as well * Try to speed up the `unleash-check` job Previously, the job took 106 minutes - let's see if explicitly specifying a `CARGO_TARGET_DIR` will help * fixup: Ensure the temp target dir exists for unleash check * Bump pallet-transaction-payment-rpc-runtime-api as well Needed for Polkadot * Bump pallet-transaction-payment-rpc as well Needed for Polkadot * Try updating crates after patching in the Polkadot CI job * Use another approach to update patched Substrate crates * Try to update all sp-core versions in Polkadot CI job * Simplify sp-core version checking * Apply another shellcheck lint * Just do the simplest thing I guess * Welp don't do --offline then * Clean up `unleash-check` job triggers Co-authored-by: Denis Pisarev <denis.pisarev@parity.io> * Fix a note in unleash-check cache step * Add a note about temporary optimization in cargo-unleash * Pin a newer version of cargo-unleash Co-authored-by: Igor Matuszewski <xanewok@gmail.com> Co-authored-by: Denis Pisarev <denis.pisarev@parity.io>
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 frame_support::{decl_module, dispatch};
use frame_system::ensure_signed;
use pallet_im_online::{self as im_online};
pub trait Config: im_online::Config {}
decl_module! {
pub struct Module<T: Config> for enum Call where origin: T::Origin {
#[weight = 0]
pub fn is_online(origin, authority_index: u32) -> dispatch::DispatchResult {
let _sender = ensure_signed(origin)?;
let _is_online = <im_online::Module<T>>::is_online(authority_index);
Ok(())
}
}
}
Dependencies
This module depends on the Session module.
License: Apache-2.0