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[consensus/state] verify eta/mu public values

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This commit is contained in:
mohab metwally
2022-11-25 16:26:06 +02:00
parent bdf67b41d1
commit 6c27aae820
6 changed files with 68 additions and 40 deletions
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35
proof/lead.zk
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@@ -16,8 +16,8 @@ contract "Lead" {
Scalar c1_opening,
Base value,
Scalar c2_opening,
Scalar rho_opening,
Scalar y_opening,
Base mu_rho,
Base mu_y,
Base sigma1,
Base sigma2,
}
@@ -30,6 +30,14 @@ circuit "Lead" {
PREFIX_CM = witness_base(4);
PREFIX_PK = witness_base(5);
PREFIX_SN = witness_base(6);
# constrain public values
# sigma1
#constrain_instance(sigma1);
# sigma2
#constrain_instance(sigma2);
# coin (1) pk
pk = poseidon_hash(PREFIX_PK, c1_sk_root, c1_tau, ZERO);
constrain_instance(pk);
@@ -66,27 +74,18 @@ circuit "Lead" {
# lottery seed
seed = poseidon_hash(PREFIX_SEED, c1_sk_root, c1_rho, ZERO);
# y
y_v = ec_mul_base(seed, NULLIFIER_K);
y_r = ec_mul(y_opening, VALUE_COMMIT_RANDOM);
y = ec_add(y_v, y_r);
y_x = ec_get_x(y);
y_y = ec_get_y(y);
y_hash = poseidon_hash(y_x, y_y);
constrain_instance(y_x);
constrain_instance(y_y);
y = poseidon_hash(seed, mu_y);
constrain_instance(mu_y);
constrain_instance(y);
# rho
rho_v = ec_mul_base(seed, NULLIFIER_K);
rho_r = ec_mul(rho_opening, VALUE_COMMIT_RANDOM);
rho = ec_add(rho_v, rho_r);
rho_x = ec_get_x(rho);
rho_y = ec_get_y(rho);
constrain_instance(rho_x);
constrain_instance(rho_y);
rho = poseidon_hash(seed, mu_rho);
constrain_instance(mu_rho);
constrain_instance(rho);
# target
term1 = base_mul(sigma1, value);
term2_1 = base_mul(sigma2, value);
term2 = base_mul(term2_1, value);
target = base_add(term1, term2);
#lottery
less_than_loose(y_hash, target);
less_than_loose(y, target);
}