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Add intermittent Timestamping to Votes (#7233)

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* Add intermittent timestamp to Vote

* Add timestamp to VoteState, add timestamp processing to program

* Print recent timestamp with solana show-vote-account

* Add offset of 1 to timestamp Vote interval to initialize at node boot (slot 1)

* Review comments

* Cache last_timestamp in Tower and use for interval check

* Move work into Tower method

* Clarify timestamping interval

* Replace tuple with struct
This commit is contained in:
Tyera Eulberg
2019-12-06 14:38:49 -07:00
committed by GitHub
parent b8008ae1e9
commit 3ab8185777
7 changed files with 164 additions and 23 deletions
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sdk/src/timing.rs
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@ -38,7 +38,7 @@ pub fn years_as_slots(years: f64, tick_duration: &Duration, ticks_per_slot: u64)
/ ticks_per_slot as f64
}
/// From slots per year to tick_duration
/// From slots per year to slot duration
pub fn slot_duration_from_slots_per_year(slots_per_year: f64) -> Duration {
// Regarding division by zero potential below: for some reason, if Rust stores an `inf` f64 and
// then converts it to a u64 on use, it always returns 0, as opposed to std::u64::MAX or any