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Add slot_history for slashing (#7589)

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* Add slot_history for slashing

* fixup

* fixup
This commit is contained in:
Rob Walker
2019-12-23 12:23:45 -08:00
committed by GitHub
parent 352a367570
commit 120c8f244c
15 changed files with 209 additions and 53 deletions
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22
runtime/src/bank.rs
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@ -40,6 +40,7 @@ use solana_sdk::{
pubkey::Pubkey,
signature::{Keypair, Signature},
slot_hashes::SlotHashes,
slot_history::SlotHistory,
system_transaction,
sysvar::{self, Sysvar},
timing::years_as_slots,
@ -516,16 +517,26 @@ impl Bank {
);
}
fn update_slot_history(&self) {
let mut slot_history = self
.get_account(&sysvar::slot_history::id())
.map(|account| SlotHistory::from_account(&account).unwrap())
.unwrap_or_default();
slot_history.add(self.slot());
self.store_account(&sysvar::slot_history::id(), &slot_history.create_account(1));
}
fn update_slot_hashes(&self) {
let mut account = self
let mut slot_hashes = self
.get_account(&sysvar::slot_hashes::id())
.unwrap_or_else(|| sysvar::slot_hashes::create_account(1, &[]));
.map(|account| SlotHashes::from_account(&account).unwrap())
.unwrap_or_default();
let mut slot_hashes = SlotHashes::from_account(&account).unwrap();
slot_hashes.add(self.slot(), self.hash());
slot_hashes.to_account(&mut account).unwrap();
self.store_account(&sysvar::slot_hashes::id(), &account);
self.store_account(&sysvar::slot_hashes::id(), &slot_hashes.create_account(1));
}
fn update_fees(&self) {
@ -650,6 +661,7 @@ impl Bank {
// finish up any deferred changes to account state
self.collect_fees();
self.distribute_rent();
self.update_slot_history();
// freeze is a one-way trip, idempotent
*hash = self.hash_internal_state();