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modified verification map

This commit is contained in:
Robert Kelly 2018-05-02 10:44:41 -04:00
parent b992a84d67
commit 6b45d453b8
1 changed files with 4 additions and 15 deletions
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19
src/accountant.rs
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@ -128,9 +128,6 @@ impl Accountant {
/// funds and isn't a duplicate.
pub fn process_verified_transaction_debits(&self, tr: &Transaction) -> Result<()> {
let bals = self.balances.read().unwrap();
// Hold a write lock before the condition check, so that a debit can't occur
// between checking the balance and the withdraw.
let option = bals.get(&tr.from);
if option.is_none() {
@ -178,13 +175,9 @@ impl Accountant {
/// Process a Transaction that has already been verified.
pub fn process_verified_transaction(&self, tr: &Transaction) -> Result<()> {
return match self.process_verified_transaction_debits(tr) {
Ok(_) => {
self.process_verified_transaction_credits(tr);
Ok(())
}
Err(err) => Err(err),
};
self.process_verified_transaction_debits(tr)?;
self.process_verified_transaction_credits(tr);
Ok(())
}
/// Process a batch of verified transactions.
@ -192,11 +185,7 @@ impl Accountant {
// Run all debits first to filter out any transactions that can't be processed
// in parallel deterministically.
let results: Vec<_> = trs.into_par_iter()
.filter_map(|tr| match self.process_verified_transaction_debits(&tr) {
Ok(_x) => Some(Ok(tr)),
Err(_e) => None,
})
// .flat_map(|tr| self.process_verified_transaction_debits(&tr).map(|_| tr))
.map(|tr| self.process_verified_transaction_debits(&tr).map(|_| tr))
.collect(); // Calling collect() here forces all debits to complete before moving on.
results