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Prevent rent-paying account creation (#22292)

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* Fixup typo

* Add new feature

* Add new TransactionError

* Add framework for checking account state before and after transaction processing

* Fail transactions that leave new rent-paying accounts

* Only check rent-state of writable tx accounts

* Review comments: combine process_result success behavior; log and metrics before feature activation

* Fix tests that assume rent-exempt accounts are okay

* Remove test no longer relevant

* Remove native/sysvar special case

* Move metrics submission to report legacy->legacy rent paying transitions as well
This commit is contained in:
Tyera Eulberg
2022-01-11 11:32:25 -07:00
committed by GitHub
parent a49ef49f87
commit 637e366b18
24 changed files with 819 additions and 179 deletions
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6
sdk/src/transaction/error.rs
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@ -125,6 +125,12 @@ pub enum TransactionError {
/// Address table lookup uses an invalid index
#[error("Transaction address table lookup uses an invalid index")]
InvalidAddressLookupTableIndex,
/// Transaction leaves an account with a lower balance than rent-exempt minimum
#[error(
"Transaction leaves an account with data with a lower balance than rent-exempt minimum"
)]
InvalidRentPayingAccount,
}
impl From<SanitizeError> for TransactionError {