Night of the living dead

This commit is contained in:
skoupidi
2024-01-29 21:41:01 +02:00
parent 92387af2ab
commit 16103b84a7
110 changed files with 1001 additions and 13841 deletions

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@@ -1,171 +0,0 @@
/* This file is part of DarkFi (https://dark.fi)
*
* Copyright (C) 2020-2024 Dyne.org foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use darkfi::{
zk::{empty_witnesses, halo2::Value, Proof, ProvingKey, VerifyingKey, Witness, ZkCircuit},
zkas::ZkBinary,
Result,
};
use darkfi_sdk::{
crypto::{
pasta_prelude::{Curve, CurveAffine, Field},
pedersen_commitment_u64, poseidon_hash, MerkleNode, MerkleTree, PublicKey, SecretKey,
},
pasta::pallas,
};
use halo2_proofs::dev::MockProver;
use log::{info, warn};
use rand::rngs::OsRng;
pub const SECRET_KEY_PREFIX: pallas::Base = pallas::Base::from_raw([4, 0, 0, 0]);
pub const SEED_PREFIX: pallas::Base = pallas::Base::from_raw([3, 0, 0, 0]);
pub const SERIAL_PREFIX: pallas::Base = pallas::Base::from_raw([2, 0, 0, 0]);
pub const MU_Y_PREFIX: pallas::Base = pallas::Base::from_raw([22, 0, 0, 0]);
pub const MU_RHO_PREFIX: pallas::Base = pallas::Base::from_raw([5, 0, 0, 0]);
pub const HEADSTART: pallas::Base = pallas::Base::from_raw([
11731824086999220879,
11830614503713258191,
737869762948382064,
46116860184273879,
]);
#[test]
fn consensus_prop() -> Result<()> {
let mut cfg = simplelog::ConfigBuilder::new();
// We check this error so we can execute same file tests in parallel,
// otherwise second one fails to init logger here.
if simplelog::TermLogger::init(
simplelog::LevelFilter::Info,
//simplelog::LevelFilter::Debug,
//simplelog::LevelFilter::Trace,
cfg.build(),
simplelog::TerminalMode::Mixed,
simplelog::ColorChoice::Auto,
)
.is_err()
{
warn!(target: "test_harness", "Logger already initialized");
}
let input_serial = pallas::Base::from(pallas::Base::from(10));
//let input_serial = pallas::Base::from(pallas::Base::from(2));
let mut merkle_tree = MerkleTree::new(1);
let input_secret_key = SecretKey::from(pallas::Base::from(42));
let input_value = 100_000_000_000;
let epoch = pallas::Base::from(0);
let reward = 100_000_000;
let input_value_blind = pallas::Scalar::random(&mut OsRng);
let output_reward_blind = pallas::Scalar::random(&mut OsRng);
let output_value_blind = input_value_blind + output_reward_blind;
let output_value = input_value + reward;
let (input_x, input_y) = PublicKey::from_secret(input_secret_key).xy();
let input_coin = poseidon_hash([input_x, input_y, input_value.into(), epoch, input_serial]);
assert!(merkle_tree.append(MerkleNode::from(input_coin)));
let input_leaf_pos = merkle_tree.mark().unwrap();
let merkle_path = merkle_tree.witness(input_leaf_pos, 0).unwrap();
// Public inputs
let nullifier = poseidon_hash([input_secret_key.inner(), input_serial]);
let root = merkle_tree.root(0).unwrap();
let input_value_commit = pedersen_commitment_u64(input_value, input_value_blind);
let output_value_commit = pedersen_commitment_u64(output_value, output_value_blind);
let output_secret_key =
SecretKey::from(poseidon_hash([SECRET_KEY_PREFIX, input_secret_key.inner()]));
let output_serial = poseidon_hash([SERIAL_PREFIX, input_secret_key.inner(), input_serial]);
let (output_x, output_y) = PublicKey::from_secret(output_secret_key).xy();
let output_coin =
poseidon_hash([output_x, output_y, output_value.into(), pallas::Base::ZERO, output_serial]);
let mu_y = pallas::Base::from(1);
let mu_rho = pallas::Base::from(1);
let seed = poseidon_hash([SEED_PREFIX, input_serial]);
let y = poseidon_hash([seed, mu_y]);
let rho = poseidon_hash([seed, mu_rho]);
let sigma1 = pallas::Base::from(1);
let sigma2 = pallas::Base::from(1);
let value = pallas::Base::from(input_value);
let shifted_target = sigma1 * value + sigma2 * value * value + HEADSTART;
info!("y = {:?}", y);
info!("T = {:?}", shifted_target);
info!("y < T == {}", y < shifted_target);
let zkbin = include_bytes!("../src/contract/consensus/proof/consensus_proposal_v1.zk.bin");
let zkbin = ZkBinary::decode(&zkbin[..])?;
let prover_witnesses = vec![
Witness::Base(Value::known(input_secret_key.inner())),
Witness::Base(Value::known(input_serial)),
Witness::Base(Value::known(pallas::Base::from(input_value))),
Witness::Base(Value::known(epoch)),
Witness::Base(Value::known(pallas::Base::from(reward))),
Witness::Scalar(Value::known(input_value_blind)),
Witness::Uint32(Value::known(u64::from(input_leaf_pos).try_into().unwrap())),
Witness::MerklePath(Value::known(merkle_path.try_into().unwrap())),
Witness::Scalar(Value::known(output_value_blind)),
Witness::Base(Value::known(mu_y)),
Witness::Base(Value::known(mu_rho)),
Witness::Base(Value::known(sigma1)),
Witness::Base(Value::known(sigma2)),
Witness::Base(Value::known(HEADSTART)),
];
let input_value_coords = input_value_commit.to_affine().coordinates().unwrap();
let output_value_coords = output_value_commit.to_affine().coordinates().unwrap();
let public_inputs = vec![
nullifier,
epoch,
input_x,
input_y,
root.inner(),
*input_value_coords.x(),
*input_value_coords.y(),
pallas::Base::from(reward),
*output_value_coords.x(),
*output_value_coords.y(),
output_coin,
mu_y,
y,
mu_rho,
rho,
sigma1,
sigma2,
HEADSTART,
];
let prover_circuit = ZkCircuit::new(prover_witnesses, &zkbin);
let mockprover = MockProver::run(zkbin.k, &prover_circuit, vec![public_inputs.clone()])?;
mockprover.assert_satisfied();
let verifier_witnesses = empty_witnesses(&zkbin)?;
let circuit = ZkCircuit::new(verifier_witnesses, &zkbin);
let proving_key = ProvingKey::build(zkbin.k, &circuit);
let verifying_key = VerifyingKey::build(zkbin.k, &circuit);
let proof = Proof::create(&proving_key, &[prover_circuit], &public_inputs, &mut OsRng)?;
proof.verify(&verifying_key, &public_inputs)?;
Ok(())
}