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Fix comment

This commit is contained in:
Ryo Onodera 2021-07-01 20:20:14 +09:00 committed by Michael Vines
parent b158353ca9
commit 30a8fb86d0
1 changed files with 4 additions and 4 deletions
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8
runtime/src/bank.rs
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@ -1520,14 +1520,14 @@ impl Bank {
let old_account = if !self.rent_for_sysvars() {
// This old behavior is being retired for simpler reasoning for the benefits of all.
// Specifically, get_sysvar_account_with_fixed_root() doesn't work nicely with eager
// rent collection, which becomes applicable for sysvars after rent_for_sysvars
// activation. That's because get_sysvar_account_with_fixed_root() called by both
// rent collection, which becomes significant for sysvars after rent_for_sysvars
// activation. That's because get_sysvar_account_with_fixed_root() invocations by both
// update_slot_history() and update_recent_blockhashes() ignores any updates
// done by eager rent collection in this slot.
// by eager rent collection in this slot.
// Also, it turned out that get_sysvar_account_with_fixed_root()'s special
// behavior (idempotent) isn't needed to begin with, because we're fairly certain that
// we don't call new_from_parent() with same child slot multiple times in the
// production code...
// production code (except after proper handling of duplicate slot dumping)...
self.get_sysvar_account_with_fixed_root(pubkey)
} else {
self.get_account_with_fixed_root(pubkey)