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better vec to fp12

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This commit is contained in:
Dmitry Vagner 2022-12-27 16:28:20 -08:00
parent 9beca707e5
commit 1f17673457
1 changed files with 12 additions and 17 deletions
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29
evm/src/bn254.rs
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@ -1,5 +1,6 @@
use std::str::FromStr;
use itertools::Itertools;
use ethereum_types::U256;
use rand::{thread_rng, Rng};
@ -25,23 +26,13 @@ pub fn fp12_to_array(f: Fp12) -> [U256; 12] {
}
pub fn vec_to_fp12(xs: Vec<U256>) -> Fp12 {
let f0 = xs.clone().into_iter().next().unwrap();
let f1 = xs.clone().into_iter().nth(1).unwrap();
let f2 = xs.clone().into_iter().nth(2).unwrap();
let f3 = xs.clone().into_iter().nth(3).unwrap();
let f4 = xs.clone().into_iter().nth(4).unwrap();
let f5 = xs.clone().into_iter().nth(5).unwrap();
let f6 = xs.clone().into_iter().nth(6).unwrap();
let f7 = xs.clone().into_iter().nth(7).unwrap();
let f8 = xs.clone().into_iter().nth(8).unwrap();
let f9 = xs.clone().into_iter().nth(9).unwrap();
let f10 = xs.clone().into_iter().nth(10).unwrap();
let f11 = xs.into_iter().nth(11).unwrap();
[
[[f0, f1], [f2, f3], [f4, f5]],
[[f6, f7], [f8, f9], [f10, f11]],
]
xs.into_iter()
.tuples::<(U256, U256)>()
.map(|(v1, v2)| [v1, v2])
.tuples()
.map(|(a1, a2, a3, a4, a5, a6)| [[a1, a2, a3], [a4, a5, a6]])
.next()
.unwrap()
}
pub type Curve = [Fp; 2];
@ -715,3 +706,7 @@ pub fn miller_loop(p: Curve, q: TwistedCurve) -> Fp12 {
}
acc
}
// pub fn tate(p: Curve, q: TwistedCurve) -> Fp12 {
// }