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Tidy and document monero-bulletproofs

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I still don't like the impl of the original Bulletproofs...
This commit is contained in:
Luke Parker
2024-06-16 10:39:28 -04:00
parent d9107b53a6
commit 77a2496ade
9 changed files with 242 additions and 259 deletions
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15
coins/monero/generators/src/lib.rs
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@@ -49,12 +49,12 @@ pub fn H_pow_2() -> &'static [EdwardsPoint; 64] {
})
}
// The maximum amount of commitments proven for within a single range proof.
const MAX_M: usize = 16;
// The amount of bits the value within a commitment may use.
const N: usize = 64;
// The maximum amount of bits used within a single range proof.
const MAX_MN: usize = MAX_M * N;
/// The maximum amount of commitments provable for within a single range proof.
pub const MAX_COMMITMENTS: usize = 16;
/// The amount of bits a value within a commitment may use.
pub const COMMITMENT_BITS: usize = 64;
/// The logarithm (over 2) of the amount of bits a value within a commitment may use.
pub const LOG_COMMITMENT_BITS: usize = 6; // 2 ** 6 == N
/// Container struct for Bulletproofs(+) generators.
#[allow(non_snake_case)]
@@ -68,6 +68,9 @@ pub struct Generators {
/// Consumers should not call this function ad-hoc, yet call it within a build script or use a
/// once-initialized static.
pub fn bulletproofs_generators(dst: &'static [u8]) -> Generators {
// The maximum amount of bits used within a single range proof.
const MAX_MN: usize = MAX_COMMITMENTS * COMMITMENT_BITS;
let mut preimage = H().compress().to_bytes().to_vec();
preimage.extend(dst);