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Refactor RPC subscriptions account handling (#9888)

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* Switch subscriptions to use commitment instead of confirmations

* Add bank method to return account and last-modified slot

* Add last_modified_slot to subscription data and use to filter account subscriptions

* Update tests to non-zero last_notified_slot

* Add accounts subscriptions to test; fails at higher tx load

* Pass BankForks to RpcSubscriptions

* Use BankForks on add_account_subscription to properly initialize last_notified_slot

* Bundle subscriptions

* Check for non-equality

* Use commitment to initialize last_notified_slot; revert context.slot chage
This commit is contained in:
Tyera Eulberg
2020-05-07 00:23:06 -06:00
committed by GitHub
parent f6e26f6c8c
commit 754c65c066
10 changed files with 464 additions and 277 deletions
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8
runtime/src/bank.rs
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@ -1816,12 +1816,14 @@ impl Bank {
}
pub fn get_account(&self, pubkey: &Pubkey) -> Option<Account> {
self.rc
.accounts
.load_slow(&self.ancestors, pubkey)
self.get_account_modified_slot(pubkey)
.map(|(acc, _slot)| acc)
}
pub fn get_account_modified_slot(&self, pubkey: &Pubkey) -> Option<(Account, Slot)> {
self.rc.accounts.load_slow(&self.ancestors, pubkey)
}
// Exclude self to really fetch the parent Bank's account hash and data.
//
// Being idempotent is needed to make the lazy initialization possible,