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adds a check that only single ferry can happen on a deposit request gasp-1652 #858

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merged 1 commit into from
Dec 5, 2024
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adds a check that only single ferry can happen on a deposit request gasp-1652 #858

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7 changes: 7 additions & 0 deletions pallets/rolldown/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -525,6 +525,8 @@ pub mod pallet {
UninitializedChainId,
// Asset can be withdrawn only to sender's address
NontransferableToken,
// the deposit was already ferried
AlreadyFerried,
}

#[cfg(feature = "runtime-benchmarks")]
Expand Down Expand Up @@ -1843,6 +1845,11 @@ impl<T: Config> Pallet<T> {
return Err(Error::<T>::AlreadyExecuted);
}

ensure!(
!FerriedDeposits::<T>::contains_key((chain, deposit_hash)),
Error::<T>::AlreadyFerried
);

let amount = deposit
.amount
.checked_sub(deposit.ferryTip)
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