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Introduces account existence providers reference counting (#7363)

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* 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/assets/src/lib.rs
+7 -3
View File
@@ -274,6 +274,8 @@ decl_error! {
MinBalanceZero,
/// A mint operation lead to an overflow.
Overflow,
/// Some internal state is broken.
BadState,
}
}
@@ -863,7 +865,7 @@ impl<T: Config> Module<T> {
) -> Result<bool, DispatchError> {
let accounts = d.accounts.checked_add(1).ok_or(Error::<T>::Overflow)?;
let r = Ok(if frame_system::Module::<T>::account_exists(who) {
frame_system::Module::<T>::inc_ref(who);
frame_system::Module::<T>::inc_consumers(who).map_err(|_| Error::<T>::BadState)?;
false
} else {
ensure!(d.zombies < d.max_zombies, Error::<T>::TooManyZombies);
@@ -881,7 +883,9 @@ impl<T: Config> Module<T> {
is_zombie: &mut bool,
) {
if *is_zombie && frame_system::Module::<T>::account_exists(who) {
frame_system::Module::<T>::inc_ref(who);
// If the account exists, then it should have at least one provider
// so this cannot fail... but being defensive anyway.
let _ = frame_system::Module::<T>::inc_consumers(who);
*is_zombie = false;
d.zombies = d.zombies.saturating_sub(1);
}
@@ -895,7 +899,7 @@ impl<T: Config> Module<T> {
if is_zombie {
d.zombies = d.zombies.saturating_sub(1);
} else {
frame_system::Module::<T>::dec_ref(who);
frame_system::Module::<T>::dec_consumers(who);
}
d.accounts = d.accounts.saturating_sub(1);
}