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Create accounts from DepositInto::deposit_into() (#157)

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* use deposit_creating in DepositInto

* Update modules/currency-exchange/src/lib.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update primitives/currency-exchange/src/lib.rs

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
This commit is contained in:
Svyatoslav Nikolsky
2020-07-01 10:40:01 +03:00
committed by Bastian Köcher
parent b497505bc7
commit 201740f149
3 changed files with 147 additions and 14 deletions
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bridges/modules/currency-exchange/src/lib.rs
+35 -5
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@@ -83,6 +83,8 @@ decl_error! {
FailedToConvertCurrency,
/// Deposit has failed.
DepositFailed,
/// Deposit has partially failed (changes to recipient account were made).
DepositPartiallyFailed,
/// Transaction is not finalized.
UnfinalizedTransaction,
/// Transaction funds are already claimed.
@@ -121,7 +123,14 @@ decl_module! {
// make sure to update the mapping if we deposit successfully to avoid double spending,
// i.e. whenever `deposit_into` is successful we MUST update `Transfers`.
{
T::DepositInto::deposit_into(recipient, amount).map_err(Error::<T>::from)?;
// if any changes were made to the storage, we can't just return error here, because
// otherwise the same proof may be imported again
let deposit_result = T::DepositInto::deposit_into(recipient, amount);
match deposit_result {
Ok(_) => (),
Err(ExchangeError::DepositPartiallyFailed) => (),
Err(error) => Err(Error::<T>::from(error))?,
}
Transfers::<T>::insert(transfer_id, ())
}
@@ -149,6 +158,7 @@ impl<T: Trait> From<ExchangeError> for Error<T> {
ExchangeError::FailedToMapRecipients => Error::FailedToMapRecipients,
ExchangeError::FailedToConvertCurrency => Error::FailedToConvertCurrency,
ExchangeError::DepositFailed => Error::DepositFailed,
ExchangeError::DepositPartiallyFailed => Error::DepositPartiallyFailed,
}
}
}
@@ -254,9 +264,12 @@ mod tests {
type Amount = u64;
fn deposit_into(_recipient: Self::Recipient, amount: Self::Amount) -> sp_currency_exchange::Result<()> {
match amount > MAX_DEPOSIT_AMOUNT {
true => Err(sp_currency_exchange::Error::DepositFailed),
_ => Ok(()),
if amount < MAX_DEPOSIT_AMOUNT * 10 {
Ok(())
} else if amount == MAX_DEPOSIT_AMOUNT * 10 {
Err(ExchangeError::DepositPartiallyFailed)
} else {
Err(ExchangeError::DepositFailed)
}
}
}
@@ -393,7 +406,7 @@ mod tests {
fn transaction_with_invalid_deposit_rejected() {
new_test_ext().execute_with(|| {
let mut transaction = transaction(0);
transaction.amount = MAX_DEPOSIT_AMOUNT;
transaction.amount = MAX_DEPOSIT_AMOUNT + 1;
assert_noop!(
Exchange::import_peer_transaction(Origin::signed(SUBMITTER), (true, transaction)),
Error::<TestRuntime>::DepositFailed,
@@ -401,6 +414,23 @@ mod tests {
});
}
#[test]
fn valid_transaction_accepted_even_if_deposit_partially_fails() {
new_test_ext().execute_with(|| {
let mut transaction = transaction(0);
transaction.amount = MAX_DEPOSIT_AMOUNT;
assert_ok!(Exchange::import_peer_transaction(
Origin::signed(SUBMITTER),
(true, transaction),
),);
// ensure that the transfer has been marked as completed
assert!(<Exchange as crate::Store>::Transfers::contains_key(0u64));
// ensure that submitter has been rewarded
assert!(<Exchange as crate::Store>::Transfers::contains_key(SUBMITTER));
});
}
#[test]
fn valid_transaction_accepted() {
new_test_ext().execute_with(|| {