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bank.withdraw uses checked_sub_lamports (#16848)

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* bank.withdraw uses checked_sub_lamports

* retain previous codepath for error

* map_err from clippy
This commit is contained in:
Jeff Washington (jwash)
2021-04-27 09:58:41 -05:00
committed by GitHub
parent 69bfbf9e98
commit d533f77301
1 changed files with 3 additions and 2 deletions
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5
runtime/src/bank.rs
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@ -4034,8 +4034,9 @@ impl Bank {
.checked_add(min_balance) .checked_add(min_balance)
.filter(|required_balance| *required_balance <= account.lamports()) .filter(|required_balance| *required_balance <= account.lamports())
.ok_or(TransactionError::InsufficientFundsForFee)?; .ok_or(TransactionError::InsufficientFundsForFee)?;
account
account.lamports -= lamports; .checked_sub_lamports(lamports)
.map_err(|_| TransactionError::InsufficientFundsForFee)?;
self.store_account(pubkey, &account); self.store_account(pubkey, &account);
Ok(()) Ok(())