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Implement TX creation

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Updates CLSAG signing as needed. Moves around Error types.

CLSAG multisig and the multisig feature is currently completely borked 
because of this. The created TXs are accepted by Monero nodes.
This commit is contained in:
Luke Parker
2022-04-28 03:31:09 -04:00
parent b10b531311
commit f3a5e3c27e
13 changed files with 802 additions and 145 deletions
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35
coins/monero/tests/clsag.rs
View File

@@ -2,7 +2,7 @@ use rand::{RngCore, rngs::OsRng};
use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, scalar::Scalar};
use monero_serai::{SignError, random_scalar, commitment, key_image, clsag};
use monero_serai::{random_scalar, Commitment, key_image, clsag, transaction::SignableInput};
#[cfg(feature = "multisig")]
use ::frost::sign;
@@ -22,38 +22,41 @@ const RING_LEN: u64 = 11;
const AMOUNT: u64 = 1337;
#[test]
fn test_single() -> Result<(), SignError> {
fn test_single() {
let msg = [1; 32];
let mut secrets = [Scalar::zero(), Scalar::zero()];
let mut ring = vec![];
for i in 0 .. RING_LEN {
let dest = random_scalar(&mut OsRng);
let a = random_scalar(&mut OsRng);
let mask = random_scalar(&mut OsRng);
let amount;
if i == u64::from(RING_INDEX) {
secrets = [dest, a];
secrets = [dest, mask];
amount = AMOUNT;
} else {
amount = OsRng.next_u64();
}
let mask = commitment(&a, amount);
ring.push([&dest * &ED25519_BASEPOINT_TABLE, mask]);
ring.push([&dest * &ED25519_BASEPOINT_TABLE, Commitment::new(mask, amount).calculate()]);
}
let image = key_image::single(&secrets[0]);
let image = key_image::generate(&secrets[0]);
let (clsag, pseudo_out) = clsag::sign(
&mut OsRng,
image,
msg,
ring.clone(),
RING_INDEX,
&secrets[0],
&secrets[1],
AMOUNT
)?;
clsag::verify(&clsag, image, &msg, &ring, pseudo_out)?;
Ok(())
&vec![(
secrets[0],
SignableInput::new(
image,
[0; RING_LEN as usize].to_vec(),
ring.clone(),
RING_INDEX,
Commitment::new(secrets[1], AMOUNT)
).unwrap()
)],
Scalar::zero()
).unwrap().swap_remove(0);
assert!(clsag::verify(&clsag, image, &msg, &ring, pseudo_out));
}
#[cfg(feature = "multisig")]