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Offences reporting and slashing (#3322)
* Remove offline slashing logic from staking. * Initial version of reworked offence module, can report offences * Clean up staking example. * Commit SlashingOffence * Force new era on slash. * Add offenders in the SlashingOffence trait. * Introduce the ReportOffence trait. * Rename `Offence`. * Add on_before_session_ending handler. * Move offence related stuff under sr-primitives. * Fix cargo check. * Import new im-online implementation. * Adding validator count to historical session storage as it's needed for slash calculations * Add a comment about offence. * Add BabeEquivocationOffence * GrandpaEquivocationOffence * slash_fraction and fix * current_era_start_session_index * UnresponsivnessOffence * Finalise OnOffenceHandler traits, and stub impl for staking. * slash_fraction doesn't really need &self * Note that offenders count is greater than 0 * Add a test to ensure that I got the math right * Use FullIdentification in offences. * Use FullIndentification. * Hook up the offences module. * Report unresponsive validators * Make sure eras have the same length. * Slashing and rewards. * Fix compilation. * Distribute rewards. * Supply validators_count * Use identificationTuple in Unresponsivness report * Fix merge. * Make sure we don't slash if amount is zero. * We don't return an error from report_offence anymo * We actually can use vec! * Prevent division by zero if the reporters is empty * offence_forces_new_era/nominators_also_get_slashed * advance_session * Fix tests. * Update srml/staking/src/lib.rs Co-Authored-By: Robert Habermeier <rphmeier@gmail.com> * slashing_performed_according_exposure * Check that reporters receive their slice. * Small clean-up. * invulnerables_are_not_slashed * Minor clean ups. * Improve docs. * dont_slash_if_fraction_is_zero * Remove session dependency from offences. * Introduce sr-staking-primitives * Move offence under sr_staking_primitives * rename session_index * Resolves todos re using SessionIndex * Fix staking tests. * Properly scale denominator. * Fix UnresponsivnessOffence * Fix compilation. * Tests for offences. * Clean offences tests. * Fix staking doc test. * Bump spec version * Fix aura tests. * Fix node_executor * Deposit an event on offence. * Fix compilation of node-runtime * Remove aura slashing logic. * Remove HandleReport * Update docs for timeslot. * rename with_on_offence_fractions * Add should_properly_count_offences * Replace ValidatorIdByIndex with CurrentElectedSet ValidatorIdByIndex was querying the current_elected set in each call, doing loading (even though its from cache), deserializing and cloning of element. Instead of this it is more efficient to use `CurrentElectedSet`. As a small bonus, the invariant became a little bit easier: now we just rely on the fact that `keys` and `current_elected` set are of the same length rather than relying on the fact that `validator_id_by_index` would work similar to `<[T]>::get`. * Clarify babe equivocation * Fix offences. * Rename validators_count to validator_set_count * Fix squaring. * Update core/sr-staking-primitives/src/offence.rs Co-Authored-By: Gavin Wood <gavin@parity.io> * Docs for CurrentElectedSet. * Don't punish only invulnerables * Use `get/insert` instead of `mutate`. * Fix compilation * Update core/sr-staking-primitives/src/offence.rs Co-Authored-By: Gavin Wood <gavin@parity.io> * Update srml/offences/src/lib.rs Co-Authored-By: Robert Habermeier <rphmeier@gmail.com> * Update srml/im-online/src/lib.rs Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com> * Update srml/im-online/src/lib.rs Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com> * Update srml/im-online/src/lib.rs Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com> * Update srml/babe/src/lib.rs Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com> * Update core/sr-staking-primitives/src/offence.rs Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com> * Update core/sr-staking-primitives/src/offence.rs Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com> * Update core/sr-staking-primitives/src/offence.rs Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com> * Update core/sr-staking-primitives/src/offence.rs Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com> * Update core/sr-staking-primitives/src/offence.rs Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com> * Add aura todo. * Allow multiple reports for single offence report. * Fix slash_fraction calculation. * Fix typos. * Fix compilation and tests. * Fix staking tests. * Update srml/im-online/src/lib.rs Co-Authored-By: Logan Saether <x@logansaether.com> * Fix doc on time_slot * Allow slashing only on current era (#3411) * only slash in current era * prune journal for last era * comment own_slash * emit an event when old slashing events are discarded * Pave the way for pruning * Address issues. * Try to refactor collect_offence_reports * Other fixes. * More fixes.
This commit is contained in:
Tomasz Drwięga
committed by
Gavin Wood
Gavin Wood
parent
99f3f07690
commit
6cc4495700
@@ -20,7 +20,7 @@ use primitives::{Pair, Public, crypto::UncheckedInto};
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pub use node_primitives::{AccountId, Balance};
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use node_runtime::{
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BabeConfig, BalancesConfig, ContractsConfig, CouncilConfig, DemocracyConfig,
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ElectionsConfig, GrandpaConfig, ImOnlineConfig, IndicesConfig, Perbill,
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ElectionsConfig, GrandpaConfig, ImOnlineConfig, IndicesConfig,
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SessionConfig, SessionKeys, StakerStatus, StakingConfig, SudoConfig, SystemConfig,
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TechnicalCommitteeConfig, WASM_BINARY,
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};
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@@ -32,6 +32,7 @@ use substrate_telemetry::TelemetryEndpoints;
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use grandpa_primitives::{AuthorityId as GrandpaId};
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use babe_primitives::{AuthorityId as BabeId};
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use im_online::AuthorityId as ImOnlineId;
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use sr_primitives::Perbill;
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const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
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@@ -133,14 +134,13 @@ fn staging_testnet_config_genesis() -> GenesisConfig {
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}),
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staking: Some(StakingConfig {
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current_era: 0,
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offline_slash: Perbill::from_parts(1_000_000),
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validator_count: 7,
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offline_slash_grace: 4,
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minimum_validator_count: 4,
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stakers: initial_authorities.iter().map(|x| {
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(x.0.clone(), x.1.clone(), STASH, StakerStatus::Validator)
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}).collect(),
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invulnerables: initial_authorities.iter().map(|x| x.0.clone()).collect(),
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slash_reward_fraction: Perbill::from_percent(10),
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.. Default::default()
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}),
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democracy: Some(DemocracyConfig::default()),
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@@ -262,12 +262,11 @@ pub fn testnet_genesis(
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current_era: 0,
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minimum_validator_count: 1,
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validator_count: 2,
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offline_slash: Perbill::zero(),
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offline_slash_grace: 0,
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stakers: initial_authorities.iter().map(|x| {
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(x.0.clone(), x.1.clone(), STASH, StakerStatus::Validator)
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}).collect(),
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invulnerables: initial_authorities.iter().map(|x| x.0.clone()).collect(),
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slash_reward_fraction: Perbill::from_percent(10),
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.. Default::default()
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}),
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democracy: Some(DemocracyConfig::default()),
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@@ -300,7 +299,7 @@ pub fn testnet_genesis(
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babe: Some(BabeConfig {
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authorities: vec![],
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}),
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im_online: Some(ImOnlineConfig{
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im_online: Some(ImOnlineConfig {
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keys: vec![],
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}),
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grandpa: Some(GrandpaConfig {
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