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Demote write locks on transaction program ids (#19593)

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* Add feature

* Demote write lock on program ids

* Fixup bpf tests

* Update MappedMessage::is_writable

* Comma nit

* Review comments
This commit is contained in:
Tyera Eulberg
2021-09-03 21:05:30 -06:00
committed by GitHub
parent 7578db7ee3
commit decec3cd8b
20 changed files with 297 additions and 177 deletions
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5
sdk/src/feature_set.rs
View File

@ -191,6 +191,10 @@ pub mod stake_program_advance_activating_credits_observed {
solana_sdk::declare_id!("SAdVFw3RZvzbo6DvySbSdBnHN4gkzSTH9dSxesyKKPj");
}
pub mod demote_program_write_locks {
solana_sdk::declare_id!("3E3jV7v9VcdJL8iYZUMax9DiDno8j7EWUVbhm9RtShj2");
}
lazy_static! {
/// Map of feature identifiers to user-visible description
pub static ref FEATURE_NAMES: HashMap<Pubkey, &'static str> = [
@ -234,6 +238,7 @@ lazy_static! {
(instructions_sysvar_owned_by_sysvar::id(), "fix owner for instructions sysvar"),
(close_upgradeable_program_accounts::id(), "enable closing upgradeable program accounts"),
(stake_program_advance_activating_credits_observed::id(), "Enable advancing credits observed for activation epoch #19309"),
(demote_program_write_locks::id(), "demote program write locks to readonly #19593"),
/*************** ADD NEW FEATURES HERE ***************/
]
.iter()

4
sdk/src/transaction/sanitized.rs
View File

@ -125,7 +125,7 @@ impl SanitizedTransaction {
}
/// Return the list of accounts that must be locked during processing this transaction.
pub fn get_account_locks(&self) -> TransactionAccountLocks {
pub fn get_account_locks(&self, demote_program_write_locks: bool) -> TransactionAccountLocks {
let message = &self.message;
let num_readonly_accounts = message.num_readonly_accounts();
let num_writable_accounts = message
@ -138,7 +138,7 @@ impl SanitizedTransaction {
};
for (i, key) in message.account_keys_iter().enumerate() {
if message.is_writable(i) {
if message.is_writable(i, demote_program_write_locks) {
account_locks.writable.push(key);
} else {
account_locks.readonly.push(key);