Adjust consensus telemetry (#2198)

* Send high-level consensus telemetry by default

* Notify telemetry on finalized

* Send used authority set to telemetry

* Do not send commit message telemetry by default

* Fix typo

* Allow for notifications on telemetry connect

...and send the current authority set on each connect.

* Send authority set to telemetry on change

* Revert "Send used authority set to telemetry"

This reverts commit 1deceead52bb7443a02879ac8138afad9a6ca5ff.

* Merge branch 'master' into 'cmichi-send-high-level-consensus-telemetry-by-default'

Squashed commit of the following:

commit 19d77cbc23
Author: Xiliang Chen <xlchen1291@gmail.com>
Date:   Wed Apr 10 20:26:29 2019 +1200

    update authers for rest of the node-template cargo.toml files (#2242)

commit 0afc357a97
Author: Bastian Köcher <bkchr@users.noreply.github.com>
Date:   Tue Apr 9 10:31:18 2019 +0200

    Throw a compile error for `on_finalise` and `on_initialise` (#2236)

commit e57e54ab9c
Author: Pierre Krieger <pierre.krieger1708@gmail.com>
Date:   Tue Apr 9 05:30:43 2019 -0300

    Add warning when using default protocol ID (#2234)

    * Add warning when using default protocol ID

    * Update core/service/src/lib.rs

commit cb766e5f5d
Author: Xiliang Chen <xlchen1291@gmail.com>
Date:   Tue Apr 9 17:22:20 2019 +1200

    update name and authors to placeholder text for node-template (#2222)

    * update name and authors to placeholder text

    * revert package name change

commit a1e15ae55a
Author: André Silva <andre.beat@gmail.com>
Date:   Mon Apr 8 12:50:34 2019 +0100

    grandpa: Voter persistence and upgrade to finality-grandpa v0.7 (#2139)

    * core: grandpa: migrate to grandpa 0.7

    * core: grandpa: store current round votes and load them on startup

    * core: grandpa: resend old persisted votes for the current round

    * core: grandpa: store base and votes for last completed round

    * core: grandpa: fix latest grandpa 0.7 changes

    * core: grandpa: update to grandpa 0.7.1

    * core: grandpa: persist votes for last two completed rounds

    * core: grandpa: simplify VoterSetState usage

    * core: grandpa: use Environment::update_voter_set_state

    * core: grandpa: fix aux_schema test

    * core: grandpa: add docs

    * core: grandpa: add note about environment assumption

    * core: grandpa: don't update voter set state on ignored votes

    * core: grandpa: add test for v1 -> v2 aux_schema migration

    * core: grandpa: add test for voter vote persistence

    * core: grandpa: use grandpa 0.7.1 from crates.io

    * core: grandpa: use try_init in test

    * core: grandpa: add comment about block_import in test

    * core: grandpa: avoid cloning HasVoted

    * core: grandpa: add missing docs

    * core: grandpa: cleanup up can_propose/prevote/precommit

commit ed3ae4ac39
Author: Gregory Terzian <2792687+gterzian@users.noreply.github.com>
Date:   Mon Apr 8 13:17:00 2019 +0200

    remove clone bound on specialization in testnet factory (#2157)

commit 03f3fb1442
Author: Andrew Jones <ascjones@gmail.com>
Date:   Sat Apr 6 12:23:56 2019 +0100

    Contract import/export validation (#2203)

    * Reject validation of contract with unknown exports

    * Validate imports eagerly

    * Increment spec version

commit decddaab0f
Author: Pierre Krieger <pierre.krieger1708@gmail.com>
Date:   Fri Apr 5 14:07:09 2019 -0300

    Fix state inconsistency between handler and behaviour (#2220)

    * Fix state inconsistency between handler and behaviour

    * Fix the error! being in the wrong place

commit dce0b4ea49
Author: Bastian Köcher <bkchr@users.noreply.github.com>
Date:   Fri Apr 5 18:50:38 2019 +0200

    Use `storage_root` of newly calculated header (#2216)

    Instead of calculating the `storage_root` a second time, we just can
    take the `storage_root` from the new header.

commit b01136c90d
Author: Marek Kotewicz <marek.kotewicz@gmail.com>
Date:   Fri Apr 5 14:44:46 2019 +0200

    Peerset::discovered accepts many peer ids (#2213)

    * Peerset::discovered accepts many peer ids

    * Improve tracing in peerset

commit 1142bcde97
Author: Marek Kotewicz <marek.kotewicz@gmail.com>
Date:   Thu Apr 4 19:40:40 2019 +0200

    simplification of peerset api (#2123)

    * Introduction of PeersetHandle

    * integrate PeersetHandle with the rest of the codebase

    * fix compilation errors

    * more tests for peerset, fixed overwriting bug in add_reserved_peer

    * Slots data structure and bugfixes for peerset

    * bend to pressure

    * updated lru-cache to 0.1.2 and updated linked-hash-map to 0.5.2

    * peerset discovered list is now a LinkedHashMap

    * fix review suggestions

    * split back Peerset and PeersetHandle

    * test for Peerset::discovered

    * applied review suggestions

    * fixes to peerset::incoming

    * peerset disconnects are all instantaneous

    * instantaneous drop in peerset finished

    * Peerset::set_reserved_only can also reconnect nodes

    * Peerset scores cache uses lru-cache

    * remove redundant function call and comment from Peerset::on_set_reserved_only

    * add_peer returns SlotState enum

    * apply review suggestions

    * is_reserved -> is_connected_and_reserved

commit 301844dd56
Author: Arkadiy Paronyan <arkady.paronyan@gmail.com>
Date:   Thu Apr 4 18:01:28 2019 +0200

    Disconnect on protocol timeout (#2212)

commit cb3c912b1a
Author: André Silva <andre.beat@gmail.com>
Date:   Thu Apr 4 15:56:49 2019 +0100

    core: grandpa: verify commit target in justification (#2201)

commit 6920b169cd
Author: Bastian Köcher <bkchr@users.noreply.github.com>
Date:   Thu Apr 4 16:56:16 2019 +0200

    Introduce `original_storage` and `original_storage_hash` (#2211)

    Both functions will ignore any overlayed changes and access the backend
    directly.

commit cb7a8161f5
Author: Xiliang Chen <xlchen1291@gmail.com>
Date:   Fri Apr 5 03:55:55 2019 +1300

    code cleanup (#2206)

commit acaf1fe625
Author: Arkadiy Paronyan <arkady.paronyan@gmail.com>
Date:   Wed Apr 3 15:52:46 2019 +0200

    Emberic elm testnet (#2197)

* Make telemetry onconnect hoook optional

* Merge branch 'master' into 'cmichi-send-high-level-consensus-telemetry-by-default'

* Introduce GrandpaParams struct to condense parameters

* Remove debug statement

* Fix tests

* Rename parameter

* Fix tests

* Rename struct

* Do not send verbosity level

* Combine imports

* Implement comments

* Run cargo build --all

* Remove noisy telemetry

* Add docs for public items

* Unbox and support Clone trait

* Fix merge

* Fix merge

* Update core/finality-grandpa/src/lib.rs

Co-Authored-By: cmichi <mich@elmueller.net>

substrate/core/telemetry/src/lib.rs

@@ -24,14 +24,12 @@
 use std::{io, time, thread};
 use std::sync::Arc;
 use parking_lot::Mutex;
-use slog::{Drain, o};
+use slog::{Drain, o, OwnedKVList, Record};
 use log::trace;
 use rand::{thread_rng, Rng};
 pub use slog_scope::with_logger;
 pub use slog;
 use serde_derive::{Serialize, Deserialize};
-use slog::OwnedKVList;
-use slog::Record;
 use core::result;
 
 /// Configuration for telemetry.
@@ -56,7 +54,7 @@ pub const SUBSTRATE_INFO: &str = "0";
 pub const CONSENSUS_TRACE: &str = "9";
 pub const CONSENSUS_DEBUG: &str = "5";
 pub const CONSENSUS_WARN: &str = "4";
-pub const CONSENSUS_INFO: &str = "3";
+pub const CONSENSUS_INFO: &str = "0";
 
 /// Multiply logging to all drains. This is similar to `slog::Duplicate`, which is
 /// limited to two drains though and doesn't support dynamic nesting at runtime.
@@ -166,7 +164,7 @@ pub fn init_telemetry(config: TelemetryConfig) -> slog_scope::GlobalLoggerGuard
 macro_rules! telemetry {
 	 ( $a:expr; $b:expr; $( $t:tt )* ) => {
 		$crate::with_logger(|l| {
-			$crate::slog::slog_info!(l, #$a, $b; "verbosity" => stringify!($a), $($t)* )
+			$crate::slog::slog_info!(l, #$a, $b; $($t)* )
 		})
     }
 }