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Add arithmetic dispatch errors. (#8726)

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* Add arithmetic dispatch errors.

* Replace custom overflow errors.

* Replace custom underflow and division by zero errors.

* Replace overflow/underflow in token error.

* Add token and arithmetic errors in dispatch error equality test.

* Trigger CI.
This commit is contained in:
Shaun Wang
2021-05-10 20:14:02 +12:00
committed by GitHub
parent 655ebc95fb
commit 2a38b23062
12 changed files with 88 additions and 60 deletions
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substrate/frame/assets/src/functions.rs
+3 -3
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@@ -47,7 +47,7 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
who: &T::AccountId,
d: &mut AssetDetails<T::Balance, T::AccountId, DepositBalanceOf<T, I>>,
) -> Result<bool, DispatchError> {
let accounts = d.accounts.checked_add(1).ok_or(Error::<T, I>::Overflow)?;
let accounts = d.accounts.checked_add(1).ok_or(ArithmeticError::Overflow)?;
let is_sufficient = if d.is_sufficient {
frame_system::Pallet::<T>::inc_sufficients(who);
d.sufficients += 1;
@@ -162,7 +162,7 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
id: T::AssetId,
who: &T::AccountId,
keep_alive: bool,
) -> Result<T::Balance, Error<T, I>> {
) -> Result<T::Balance, DispatchError> {
let details = Asset::<T, I>::get(id).ok_or_else(|| Error::<T, I>::Unknown)?;
ensure!(!details.is_frozen, Error::<T, I>::Frozen);
@@ -173,7 +173,7 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
// Frozen balance: account CANNOT be deleted
let required = frozen
.checked_add(&details.min_balance)
.ok_or(Error::<T, I>::Overflow)?;
.ok_or(ArithmeticError::Overflow)?;
account.balance.saturating_sub(required)
} else {
let is_provider = false;