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Introduces account existence providers reference counting (#7363)

Browse Source 
* Initial draft

* Latest changes

* Final bits.

* Fixes

* Fixes

* Test fixes

* Fix tests

* Fix babe tests

* Fix

* Fix

* Fix

* Fix

* Fix

* fix warnings in assets

* Fix UI tests

* fix line width

* Fix

* Update frame/system/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Update frame/system/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Fix

* fix unused warnings

* Fix

* Update frame/system/src/lib.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Update frame/system/src/lib.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Fix

* fix slash and comprehensive slash test

* fix reserved slash and comprehensive tests

* check slash on non-existent account

* Revert "Fix UI tests"

This reverts commit e0002c0f13442f7d0c95a054a6c515536328a4a0.

* Fix

* Fix utility tests

* keep dispatch error backwards compatible

* Fix

* Fix

* fix ui test

* Companion checker shouldn't be so anal.

* Fix

* Fix

* Fix

* Apply suggestions from code review

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update frame/balances/src/lib.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* return correct slash info when failing gracefully

* fix missing import

* Update frame/system/src/lib.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Fix

* Update frame/balances/src/tests_local.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Fixes

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
This commit is contained in:
Gavin Wood
2021-01-16 18:47:28 +01:00
committed by GitHub
parent 660cf13e6d
commit f1d36a7103
34 changed files with 814 additions and 447 deletions
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substrate/frame/session/src/lib.rs
+8 -4
View File
@@ -444,7 +444,7 @@ decl_storage! {
for (account, val, keys) in config.keys.iter().cloned() {
<Module<T>>::inner_set_keys(&val, keys)
.expect("genesis config must not contain duplicates; qed");
frame_system::Module::<T>::inc_ref(&account);
assert!(frame_system::Module::<T>::inc_consumers(&account).is_ok());
}
let initial_validators_0 = T::SessionManager::new_session(0)
@@ -498,6 +498,8 @@ decl_error! {
DuplicatedKey,
/// No keys are associated with this account.
NoKeys,
/// Key setting account is not live, so it's impossible to associate keys.
NoAccount,
}
}
@@ -746,9 +748,11 @@ impl<T: Config> Module<T> {
let who = T::ValidatorIdOf::convert(account.clone())
.ok_or(Error::<T>::NoAssociatedValidatorId)?;
frame_system::Module::<T>::inc_consumers(&account).map_err(|_| Error::<T>::NoAccount)?;
let old_keys = Self::inner_set_keys(&who, keys)?;
if old_keys.is_none() {
frame_system::Module::<T>::inc_ref(&account);
if old_keys.is_some() {
let _ = frame_system::Module::<T>::dec_consumers(&account);
// ^^^ Defensive only; Consumers were incremented just before, so should never fail.
}
Ok(())
@@ -796,7 +800,7 @@ impl<T: Config> Module<T> {
let key_data = old_keys.get_raw(*id);
Self::clear_key_owner(*id, key_data);
}
frame_system::Module::<T>::dec_ref(&account);
frame_system::Module::<T>::dec_consumers(&account);
Ok(())
}