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[consensus/state] rewind f calculation with chopped kp

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This commit is contained in:
mohab metwally
2022-11-26 16:17:11 +02:00
parent 2bcbf955f1
commit e43a59bdc8
1 changed files with 21 additions and 13 deletions
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34
src/consensus/state.rs
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@@ -108,7 +108,7 @@ impl ConsensusState {
leaders_nullifiers: vec![],
leaders_spent_coins: vec![],
leaders_history: vec![0],
kp: constants::FLOAT10_THREE.clone() / constants::FLOAT10_NINE.clone(),
kp: constants::FLOAT10_TWO.clone() / constants::FLOAT10_NINE.clone(),
})
}
}
@@ -594,24 +594,32 @@ impl ValidatorState {
let zero = constants::FLOAT10_ZERO.clone();
let one = constants::FLOAT10_ONE.clone();
let mut f = zero.clone();
let step =
Float10::from_str_native("0.1").unwrap().with_precision(constants::RADIX_BITS).value();
let p = self.f_dif();
let i = self.f_int();
let d = self.f_der();
info!("Consensus::win_prob_with_full_stake(): Kp: {}", self.consensus.kp.clone());
while f <= zero || f >= one {
f = self.consensus.kp.clone() *
(p.clone() +
one.clone() / constants::TI.clone() * i.clone() +
constants::TD.clone() * d.clone());
if f >= one {
self.consensus.kp -= step.clone();
} else if f <= zero {
self.consensus.kp += step.clone();
f = self.consensus.kp.clone() *
(p.clone() +
one.clone() / constants::TI.clone() * i.clone() +
constants::TD.clone() * d.clone());
while f<=zero.clone() || f >=one.clone() {
let mut clipped_f = f;
while clipped_f <= zero.clone() || clipped_f >= one.clone() {
if clipped_f>=one.clone() {
clipped_f -=one.clone();
} else if clipped_f<=zero.clone() {
clipped_f +=one.clone();
}
}
let clipped_kp = clipped_f/(p.clone() +
one.clone() / constants::TI.clone() * i.clone() +
constants::TD.clone() * d.clone());
self.consensus.kp = clipped_kp.clone();
f = clipped_kp * (p.clone() +
one.clone() / constants::TI.clone() * i.clone() +
constants::TD.clone() * d.clone());
info!("Consensus::win_prob_with_full_stake(): f: {}", f);
}
info!("Consensus::win_prob_with_full_stake(): last f: {}", f);
f
}