Function orml_utilities::with_transaction_result

pub fn with_transaction_result<R>(
    f: impl FnOnce() -> Result<R, DispatchError>
) -> Result<R, DispatchError>

Execute the supplied function in a new storage transaction.

All changes to storage performed by the supplied function are discarded if the returned outcome is Result::Err.

Transactions can be nested to any depth. Commits happen to the parent transaction.