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add public key to sig spend script

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This commit is contained in:
narodnik
2021-05-04 14:35:34 +02:00
parent f31ffe6e37
commit dffcf1e77b
1 changed files with 12 additions and 0 deletions
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12
src/circuit/spend_contract.rs
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@@ -27,6 +27,7 @@ pub struct SpendContract {
pub is_right_2: Option<bool>,
pub branch_3: Option<bls12_381::Scalar>,
pub is_right_3: Option<bool>,
pub signature_secret: Option<jubjub::Fr>,
}
impl Circuit<bls12_381::Scalar> for SpendContract {
fn synthesize<CS: ConstraintSystem<bls12_381::Scalar>>(
@@ -435,6 +436,17 @@ impl Circuit<bls12_381::Scalar> for SpendContract {
// Line 253: emit_scalar current
current.inputize(cs.namespace(|| "Line 253: emit_scalar current"))?;
let signature_secret = boolean::field_into_boolean_vec_le(
cs.namespace(|| "Signature secret"),
self.signature_secret,
)?;
let signature_public = ecc::fixed_base_multiplication(
cs.namespace(|| "Signature public"),
&zcash_proofs::constants::SPENDING_KEY_GENERATOR,
&signature_secret,
)?;
signature_public.inputize(cs.namespace(|| "Signature public inputize"))?;
Ok(())
}
}