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Poh subsystem cleanup, genesis plumbing, enable real PoH on edge testnet (#4292)

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* Remove unused PohServiceConfig::Step

* Clarify variable name

* Poh::hash() now takes an iteration counter

* man -> max

* Inline functions with single call site

* Move PohServiceConfig into GenesisBlock

* Add plumbing to enable real PoH on testnets

* Batch hashes to improve PoH hash rate

* Ensure a constant hashes_per_tick

* Remove PohEntry mixin field

* Poh/PohEntry no longer maintains tick_height

* Ensure a constant hashes_per_tick

* ci/localnet-sanity.sh: Use real PoH

* Rework Poh/PohService to keep PohRecorder unlocked as much as possible while hashing
This commit is contained in:
Michael Vines
2019-05-18 14:01:36 -07:00
committed by GitHub
parent 7e1a7862db
commit 392a39dd54
26 changed files with 625 additions and 319 deletions
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4
sdk/src/timing.rs
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@ -2,7 +2,9 @@
use std::time::Duration;
use std::time::{SystemTime, UNIX_EPOCH};
pub const NUM_TICKS_PER_SECOND: u64 = 10;
// The default tick rate that the cluster attempts to achieve. Note that the actual tick
// rate at any given time should be expected to drift
pub const DEFAULT_NUM_TICKS_PER_SECOND: u64 = 10;
// At 10 ticks/s, 8 ticks per slot implies that leader rotation and voting will happen
// every 800 ms. A fast voting cadence ensures faster finality and convergence