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Various minor fixes (#13945)

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* Fix: Incorrect implementation of can_reserve check

* Fix: Incorrect migration of consumer counting for existing accounts with frozen amounts

* Fix: Inconsistent implementation between assets can_deposit and new_account

* Fixes

* Fixes

* Another fix

* Update tests.rs

* Update fungible_tests.rs

* Use `can_accrue_consumers` in the body of `can_inc_consumer`

---------

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: parity-processbot <>
This commit is contained in:
Gavin Wood
2023-04-26 15:26:07 +01:00
committed by GitHub
parent 356b752d58
commit 781ea7cbdc
7 changed files with 98 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/assets/src/functions.rs
+1 -1
View File
@@ -138,7 +138,7 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
if amount < details.min_balance {
return DepositConsequence::BelowMinimum
}
if !details.is_sufficient && !frame_system::Pallet::<T>::can_inc_consumer(who) {
if !details.is_sufficient && !frame_system::Pallet::<T>::can_accrue_consumers(who, 2) {
return DepositConsequence::CannotCreate
}
if details.is_sufficient && details.sufficients.checked_add(1).is_none() {
substrate/frame/assets/src/tests.rs
+42 -9
View File
@@ -21,7 +21,7 @@ use super::*;
use crate::{mock::*, Error};
use frame_support::{
assert_noop, assert_ok,
traits::{fungibles::InspectEnumerable, Currency},
traits::{fungibles::InspectEnumerable, tokens::Preservation::Protect, Currency},
};
use pallet_balances::Error as BalancesError;
use sp_io::storage;
@@ -33,6 +33,25 @@ fn asset_ids() -> Vec<u32> {
s
}
#[test]
fn transfer_should_never_burn() {
new_test_ext().execute_with(|| {
assert_ok!(Assets::force_create(RuntimeOrigin::root(), 0, 1, false, 1));
Balances::make_free_balance_be(&1, 100);
Balances::make_free_balance_be(&2, 100);
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 0, 1, 100));
assert_eq!(Assets::balance(0, 1), 100);
while System::inc_consumers(&2).is_ok() {}
let _ = System::dec_consumers(&2);
// Exactly one consumer ref remaining.
let _ = <Assets as fungibles::Mutate<_>>::transfer(0, &1, &2, 50, Protect);
assert_eq!(Assets::balance(0, 1) + Assets::balance(0, 2), 100);
});
}
#[test]
fn basic_minting_should_work() {
new_test_ext().execute_with(|| {
@@ -57,10 +76,7 @@ fn minting_too_many_insufficient_assets_fails() {
Balances::make_free_balance_be(&1, 100);
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 0, 1, 100));
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 1, 1, 100));
assert_noop!(
Assets::mint(RuntimeOrigin::signed(1), 2, 1, 100),
Error::<Test>::UnavailableConsumer
);
assert_noop!(Assets::mint(RuntimeOrigin::signed(1), 2, 1, 100), TokenError::CannotCreate);
Balances::make_free_balance_be(&2, 1);
assert_ok!(Assets::transfer(RuntimeOrigin::signed(1), 0, 2, 100));
@@ -78,10 +94,7 @@ fn minting_insufficient_asset_with_deposit_should_work_when_consumers_exhausted(
Balances::make_free_balance_be(&1, 100);
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 0, 1, 100));
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 1, 1, 100));
assert_noop!(
Assets::mint(RuntimeOrigin::signed(1), 2, 1, 100),
Error::<Test>::UnavailableConsumer
);
assert_noop!(Assets::mint(RuntimeOrigin::signed(1), 2, 1, 100), TokenError::CannotCreate);
assert_ok!(Assets::touch(RuntimeOrigin::signed(1), 2));
assert_eq!(Balances::reserved_balance(&1), 10);
@@ -1322,3 +1335,23 @@ fn asset_create_and_destroy_is_reverted_if_callback_fails() {
);
});
}
#[test]
fn multiple_transfer_alls_work_ok() {
new_test_ext().execute_with(|| {
// Only run PoC when the system pallet is enabled, since the underlying bug is in the
// system pallet it won't work with BalancesAccountStore
// Start with a balance of 100
Balances::force_set_balance(RuntimeOrigin::root(), 1, 100).unwrap();
// Emulate a sufficient, in reality this could be reached by transferring a sufficient
// asset to the account
assert_ok!(Assets::force_create(RuntimeOrigin::root(), 0, 1, true, 1));
assert_ok!(Assets::mint(RuntimeOrigin::signed(1), 0, 1, 100));
// Spend the same balance multiple times
assert_ok!(Balances::transfer_all(RuntimeOrigin::signed(1), 1337, false));
assert_ok!(Balances::transfer_all(RuntimeOrigin::signed(1), 1337, false));
assert_eq!(Balances::free_balance(&1), 0);
assert_eq!(Balances::free_balance(&1337), 100);
});
}