serai/coins/monero/build.rs
Luke Parker 8b0f0a3713
Publish an alpha version of the Monero crate (#123)
* Label the version as an alpha

* Add versions to Cargo.tomls

* Update to Zeroize 1.5

* Drop patch versions from monero-serai Cargo.toml

* Add a repository field

* Move generators to OUT_DIR

IIRC, I didn't do this originally as it constantly re-generated them. 
Unfortunately, since cargo is complaining about .generators, we have to.

* Remove Timelock::fee_weight

Transaction::fee_weight's has a comment, "Assumes Timelock::None since 
this library won't let you create a TX with a timelock". Accordingly, 
this is dead code.
2022-09-29 01:24:33 -05:00

67 lines
1.5 KiB
Rust

use std::{
io::Write,
env,
path::Path,
fs::{File, remove_file},
};
use dalek_ff_group::EdwardsPoint;
use monero_generators::bulletproofs_generators;
fn serialize(generators_string: &mut String, points: &[EdwardsPoint]) {
for generator in points {
generators_string.extend(
format!(
"
dalek_ff_group::EdwardsPoint(
curve25519_dalek::edwards::CompressedEdwardsY({:?}).decompress().unwrap()
),
",
generator.compress().to_bytes()
)
.chars(),
);
}
}
fn generators(prefix: &'static str, path: &str) {
let generators = bulletproofs_generators(prefix.as_bytes());
#[allow(non_snake_case)]
let mut G_str = "".to_string();
serialize(&mut G_str, &generators.G);
#[allow(non_snake_case)]
let mut H_str = "".to_string();
serialize(&mut H_str, &generators.H);
let path = Path::new(&env::var("OUT_DIR").unwrap()).join(path);
let _ = remove_file(&path);
File::create(&path)
.unwrap()
.write_all(
format!(
"
lazy_static! {{
pub static ref GENERATORS: Generators = Generators {{
G: [
{}
],
H: [
{}
],
}};
}}
",
G_str, H_str,
)
.as_bytes(),
)
.unwrap();
}
fn main() {
println!("cargo:rerun-if-changed=build.rs");
generators("bulletproof", "generators.rs");
generators("bulletproof_plus", "generators_plus.rs");
}