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Correct Bank timestamp drift every slot (#12737) (#12777)

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* Move timestamp helper to sdk

* Add Bank method for getting timestamp estimate

* Return sysvar info from Bank::clock

* Add feature-gated timestamp correction

* Rename unix_timestamp method to be more descriptive

* Review comments

* Add timestamp metric

(cherry picked from commit b028c47d2b)

# Conflicts:
#	runtime/src/feature_set.rs

Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
This commit is contained in:
mergify[bot]
2020-10-10 00:42:44 +00:00
committed by GitHub
parent 2996cebfaa
commit 567a1cb944
5 changed files with 418 additions and 152 deletions
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7
runtime/src/feature_set.rs
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@@ -57,6 +57,10 @@ pub mod max_program_call_depth_64 {
solana_sdk::declare_id!("YCKSgA6XmjtkQrHBQjpyNrX6EMhJPcYcLWMVgWn36iv");
}
pub mod timestamp_correction {
solana_sdk::declare_id!("3zydSLUwuqqsV3wL5wBsaVgyvMox3XTHx7zLEuQf1U2Z");
}
lazy_static! {
/// Map of feature identifiers to user-visible description
pub static ref FEATURE_NAMES: HashMap<Pubkey, &'static str> = [
@@ -72,7 +76,8 @@ lazy_static! {
(no_overflow_rent_distribution::id(), "no overflow rent distribution"),
(ristretto_mul_syscall_enabled::id(), "ristretto multiply syscall"),
(max_invoke_depth_4::id(), "max invoke call depth 4"),
(max_program_call_depth_64::id(), "max program call depth 64")
(max_program_call_depth_64::id(), "max program call depth 64"),
(timestamp_correction::id(), "correct bank timestamps"),
/*************** ADD NEW FEATURES HERE ***************/
]
.iter()