cargo fmt

This commit is contained in:
Eirik Ogilvie-Wigley 2019-08-15 10:41:48 -06:00
parent 272be62212
commit a7c5993597
3 changed files with 67 additions and 68 deletions

View File

@ -52,13 +52,8 @@ pub fn prime_field(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
let mut gen = proc_macro2::TokenStream::new();
let (constants_impl, sqrt_impl) = prime_field_constants_and_sqrt(
&ast.ident,
&repr_ident,
modulus,
limbs,
generator,
);
let (constants_impl, sqrt_impl) =
prime_field_constants_and_sqrt(&ast.ident, &repr_ident, modulus, limbs, generator);
gen.extend(constants_impl);
gen.extend(prime_field_repr_impl(&repr_ident, limbs));
@ -359,7 +354,8 @@ fn biguint_num_bits(mut v: BigUint) -> u32 {
fn exp(base: BigUint, exp: &BigUint, modulus: &BigUint) -> BigUint {
let mut ret = BigUint::one();
for i in exp.to_bytes_be()
for i in exp
.to_bytes_be()
.into_iter()
.flat_map(|x| (0..8).rev().map(move |i| (x >> i).is_odd()))
{
@ -380,11 +376,13 @@ fn test_exp() {
&BigUint::from_str("5489673498567349856734895").unwrap(),
&BigUint::from_str(
"52435875175126190479447740508185965837690552500527637822603658699938581184513"
).unwrap()
)
.unwrap()
),
BigUint::from_str(
"4371221214068404307866768905142520595925044802278091865033317963560480051536"
).unwrap()
)
.unwrap()
);
}
@ -423,7 +421,7 @@ fn prime_field_constants_and_sqrt(
let mod_minus_1_over_2 =
biguint_to_u64_vec((&modulus - BigUint::from_str("1").unwrap()) >> 1, limbs);
let legendre_impl = quote!{
let legendre_impl = quote! {
fn legendre(&self) -> ::ff::LegendreSymbol {
// s = self^((modulus - 1) // 2)
let s = self.pow(#mod_minus_1_over_2);
@ -445,7 +443,7 @@ fn prime_field_constants_and_sqrt(
// Compute -R as (m - r)
let rneg = biguint_to_u64_vec(&modulus - &r, limbs);
quote!{
quote! {
impl ::ff::SqrtField for #name {
#legendre_impl
@ -472,7 +470,7 @@ fn prime_field_constants_and_sqrt(
let t_plus_1_over_2 = biguint_to_u64_vec((&t + BigUint::one()) >> 1, limbs);
let t = biguint_to_u64_vec(t.clone(), limbs);
quote!{
quote! {
impl ::ff::SqrtField for #name {
#legendre_impl
@ -519,7 +517,7 @@ fn prime_field_constants_and_sqrt(
}
}
} else {
quote!{}
quote! {}
};
// Compute R^2 mod m
@ -536,36 +534,39 @@ fn prime_field_constants_and_sqrt(
}
inv = inv.wrapping_neg();
(quote! {
/// This is the modulus m of the prime field
const MODULUS: #repr = #repr([#(#modulus,)*]);
(
quote! {
/// This is the modulus m of the prime field
const MODULUS: #repr = #repr([#(#modulus,)*]);
/// The number of bits needed to represent the modulus.
const MODULUS_BITS: u32 = #modulus_num_bits;
/// The number of bits needed to represent the modulus.
const MODULUS_BITS: u32 = #modulus_num_bits;
/// The number of bits that must be shaved from the beginning of
/// the representation when randomly sampling.
const REPR_SHAVE_BITS: u32 = #repr_shave_bits;
/// The number of bits that must be shaved from the beginning of
/// the representation when randomly sampling.
const REPR_SHAVE_BITS: u32 = #repr_shave_bits;
/// 2^{limbs*64} mod m
const R: #repr = #repr(#r);
/// 2^{limbs*64} mod m
const R: #repr = #repr(#r);
/// 2^{limbs*64*2} mod m
const R2: #repr = #repr(#r2);
/// 2^{limbs*64*2} mod m
const R2: #repr = #repr(#r2);
/// -(m^{-1} mod m) mod m
const INV: u64 = #inv;
/// -(m^{-1} mod m) mod m
const INV: u64 = #inv;
/// Multiplicative generator of `MODULUS` - 1 order, also quadratic
/// nonresidue.
const GENERATOR: #repr = #repr(#generator);
/// Multiplicative generator of `MODULUS` - 1 order, also quadratic
/// nonresidue.
const GENERATOR: #repr = #repr(#generator);
/// 2^s * t = MODULUS - 1 with t odd
const S: u32 = #s;
/// 2^s * t = MODULUS - 1 with t odd
const S: u32 = #s;
/// 2^s root of unity computed by GENERATOR^t
const ROOT_OF_UNITY: #repr = #repr(#root_of_unity);
}, sqrt_impl)
/// 2^s root of unity computed by GENERATOR^t
const ROOT_OF_UNITY: #repr = #repr(#root_of_unity);
},
sqrt_impl,
)
}
/// Implement PrimeField for the derived type.
@ -585,9 +586,9 @@ fn prime_field_impl(
mont_paramlist.append_separated(
(0..(limbs * 2)).map(|i| (i, get_temp(i))).map(|(i, x)| {
if i != 0 {
quote!{mut #x: u64}
quote! {mut #x: u64}
} else {
quote!{#x: u64}
quote! {#x: u64}
}
}),
proc_macro2::Punct::new(',', proc_macro2::Spacing::Alone),
@ -600,7 +601,7 @@ fn prime_field_impl(
for i in 0..limbs {
{
let temp = get_temp(i);
gen.extend(quote!{
gen.extend(quote! {
let k = #temp.wrapping_mul(INV);
let mut carry = 0;
::ff::mac_with_carry(#temp, k, MODULUS.0[0], &mut carry);
@ -609,7 +610,7 @@ fn prime_field_impl(
for j in 1..limbs {
let temp = get_temp(i + j);
gen.extend(quote!{
gen.extend(quote! {
#temp = ::ff::mac_with_carry(#temp, k, MODULUS.0[#j], &mut carry);
});
}
@ -617,17 +618,17 @@ fn prime_field_impl(
let temp = get_temp(i + limbs);
if i == 0 {
gen.extend(quote!{
gen.extend(quote! {
#temp = ::ff::adc(#temp, 0, &mut carry);
});
} else {
gen.extend(quote!{
gen.extend(quote! {
#temp = ::ff::adc(#temp, carry2, &mut carry);
});
}
if i != (limbs - 1) {
gen.extend(quote!{
gen.extend(quote! {
let carry2 = carry;
});
}
@ -636,7 +637,7 @@ fn prime_field_impl(
for i in 0..limbs {
let temp = get_temp(limbs + i);
gen.extend(quote!{
gen.extend(quote! {
(self.0).0[#i] = #temp;
});
}
@ -648,14 +649,14 @@ fn prime_field_impl(
let mut gen = proc_macro2::TokenStream::new();
for i in 0..(limbs - 1) {
gen.extend(quote!{
gen.extend(quote! {
let mut carry = 0;
});
for j in (i + 1)..limbs {
let temp = get_temp(i + j);
if i == 0 {
gen.extend(quote!{
gen.extend(quote! {
let #temp = ::ff::mac_with_carry(0, (#a.0).0[#i], (#a.0).0[#j], &mut carry);
});
} else {
@ -667,7 +668,7 @@ fn prime_field_impl(
let temp = get_temp(i + limbs);
gen.extend(quote!{
gen.extend(quote! {
let #temp = carry;
});
}
@ -677,21 +678,21 @@ fn prime_field_impl(
let temp1 = get_temp(limbs * 2 - i - 1);
if i == 1 {
gen.extend(quote!{
gen.extend(quote! {
let #temp0 = #temp1 >> 63;
});
} else if i == (limbs * 2 - 1) {
gen.extend(quote!{
gen.extend(quote! {
let #temp0 = #temp0 << 1;
});
} else {
gen.extend(quote!{
gen.extend(quote! {
let #temp0 = (#temp0 << 1) | (#temp1 >> 63);
});
}
}
gen.extend(quote!{
gen.extend(quote! {
let mut carry = 0;
});
@ -699,7 +700,7 @@ fn prime_field_impl(
let temp0 = get_temp(i * 2);
let temp1 = get_temp(i * 2 + 1);
if i == 0 {
gen.extend(quote!{
gen.extend(quote! {
let #temp0 = ::ff::mac_with_carry(0, (#a.0).0[#i], (#a.0).0[#i], &mut carry);
});
} else {
@ -708,7 +709,7 @@ fn prime_field_impl(
});
}
gen.extend(quote!{
gen.extend(quote! {
let #temp1 = ::ff::adc(#temp1, 0, &mut carry);
});
}
@ -719,7 +720,7 @@ fn prime_field_impl(
proc_macro2::Punct::new(',', proc_macro2::Spacing::Alone),
);
gen.extend(quote!{
gen.extend(quote! {
self.mont_reduce(#mont_calling);
});
@ -734,7 +735,7 @@ fn prime_field_impl(
let mut gen = proc_macro2::TokenStream::new();
for i in 0..limbs {
gen.extend(quote!{
gen.extend(quote! {
let mut carry = 0;
});
@ -742,7 +743,7 @@ fn prime_field_impl(
let temp = get_temp(i + j);
if i == 0 {
gen.extend(quote!{
gen.extend(quote! {
let #temp = ::ff::mac_with_carry(0, (#a.0).0[#i], (#b.0).0[#j], &mut carry);
});
} else {
@ -754,7 +755,7 @@ fn prime_field_impl(
let temp = get_temp(i + limbs);
gen.extend(quote!{
gen.extend(quote! {
let #temp = carry;
});
}
@ -765,29 +766,29 @@ fn prime_field_impl(
proc_macro2::Punct::new(',', proc_macro2::Spacing::Alone),
);
gen.extend(quote!{
gen.extend(quote! {
self.mont_reduce(#mont_calling);
});
gen
}
let squaring_impl = sqr_impl(quote!{self}, limbs);
let multiply_impl = mul_impl(quote!{self}, quote!{other}, limbs);
let squaring_impl = sqr_impl(quote! {self}, limbs);
let multiply_impl = mul_impl(quote! {self}, quote! {other}, limbs);
let montgomery_impl = mont_impl(limbs);
// (self.0).0[0], (self.0).0[1], ..., 0, 0, 0, 0, ...
let mut into_repr_params = proc_macro2::TokenStream::new();
into_repr_params.append_separated(
(0..limbs)
.map(|i| quote!{ (self.0).0[#i] })
.chain((0..limbs).map(|_| quote!{0})),
.map(|i| quote! { (self.0).0[#i] })
.chain((0..limbs).map(|_| quote! {0})),
proc_macro2::Punct::new(',', proc_macro2::Spacing::Alone),
);
let top_limb_index = limbs - 1;
quote!{
quote! {
impl ::std::marker::Copy for #name { }
impl ::std::clone::Clone for #name {

View File

@ -59,9 +59,7 @@ use std::os::windows::ffi::OsStringExt;
use zcash_primitives::{
merkle_tree::CommitmentTreeWitness,
note_encryption::sapling_ka_agree,
primitives::{
Diversifier, Note, PaymentAddress, ProofGenerationKey, ViewingKey,
},
primitives::{Diversifier, Note, PaymentAddress, ProofGenerationKey, ViewingKey},
redjubjub::{self, Signature},
sapling::{merkle_hash, spend_sig},
transaction::components::Amount,

View File

@ -5,11 +5,11 @@
use bech32::{self, Error, FromBase32, ToBase32};
use pairing::bls12_381::Bls12;
use std::io::{self, Write};
use zcash_primitives::{
jubjub::edwards,
primitives::{Diversifier, PaymentAddress},
};
use std::io::{self, Write};
use zcash_primitives::{
zip32::{ExtendedFullViewingKey, ExtendedSpendingKey},
JUBJUB,
@ -187,11 +187,11 @@ mod tests {
use pairing::bls12_381::Bls12;
use rand_core::SeedableRng;
use rand_xorshift::XorShiftRng;
use zcash_primitives::JUBJUB;
use zcash_primitives::{
jubjub::edwards,
primitives::{Diversifier, PaymentAddress},
};
use zcash_primitives::JUBJUB;
use super::{decode_payment_address, encode_payment_address};
use crate::constants;