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https://github.com/logos-storage/plonky2.git
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167 lines
7.1 KiB
Rust
167 lines
7.1 KiB
Rust
#![allow(unused_imports)]
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#![allow(dead_code)]
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use std::fs;
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use anyhow::Result;
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use plonky2::field::types::Field;
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use plonky2::iop::witness::{PartialWitness, WitnessWrite};
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use plonky2::plonk::circuit_builder::CircuitBuilder;
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use plonky2::plonk::circuit_data::{CircuitConfig,CircuitData};
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use plonky2::plonk::config::{GenericConfig, PoseidonGoldilocksConfig};
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use plonky2::plonk::prover::ProverOptions;
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use plonky2::plonk::verifier::{VerifierOptions, HashStatisticsPrintLevel};
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//use plonky2::gadgets::lookup;
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use env_logger;
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pub const N_PRIMES: usize = 512;
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pub const TABLE_SIZE: usize = 512; // 19*26;
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// table of the first 512 prime numbers
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pub const PRIMES_TABLE: [u16; N_PRIMES] = [
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2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61,
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67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137,
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139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211,
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223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283,
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293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379,
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383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461,
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463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563,
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569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643,
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647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739,
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743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829,
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839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937,
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941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, 1019, 1021,
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1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069, 1087, 1091, 1093,
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1097, 1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181,
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1187, 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259,
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1277, 1279, 1283, 1289, 1291, 1297, 1301, 1303, 1307, 1319, 1321,
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1327, 1361, 1367, 1373, 1381, 1399, 1409, 1423, 1427, 1429, 1433,
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1439, 1447, 1451, 1453, 1459, 1471, 1481, 1483, 1487, 1489, 1493,
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1499, 1511, 1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579,
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1583, 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1657,
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1663, 1667, 1669, 1693, 1697, 1699, 1709, 1721, 1723, 1733, 1741,
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1747, 1753, 1759, 1777, 1783, 1787, 1789, 1801, 1811, 1823, 1831,
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1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889, 1901, 1907, 1913,
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1931, 1933, 1949, 1951, 1973, 1979, 1987, 1993, 1997, 1999, 2003,
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2011, 2017, 2027, 2029, 2039, 2053, 2063, 2069, 2081, 2083, 2087,
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2089, 2099, 2111, 2113, 2129, 2131, 2137, 2141, 2143, 2153, 2161,
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2179, 2203, 2207, 2213, 2221, 2237, 2239, 2243, 2251, 2267, 2269,
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2273, 2281, 2287, 2293, 2297, 2309, 2311, 2333, 2339, 2341, 2347,
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2351, 2357, 2371, 2377, 2381, 2383, 2389, 2393, 2399, 2411, 2417,
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2423, 2437, 2441, 2447, 2459, 2467, 2473, 2477, 2503, 2521, 2531,
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2539, 2543, 2549, 2551, 2557, 2579, 2591, 2593, 2609, 2617, 2621,
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2633, 2647, 2657, 2659, 2663, 2671, 2677, 2683, 2687, 2689, 2693,
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2699, 2707, 2711, 2713, 2719, 2729, 2731, 2741, 2749, 2753, 2767,
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2777, 2789, 2791, 2797, 2801, 2803, 2819, 2833, 2837, 2843, 2851,
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2857, 2861, 2879, 2887, 2897, 2903, 2909, 2917, 2927, 2939, 2953,
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2957, 2963, 2969, 2971, 2999, 3001, 3011, 3019, 3023, 3037, 3041,
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3049, 3061, 3067, 3079, 3083, 3089, 3109, 3119, 3121, 3137, 3163,
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3167, 3169, 3181, 3187, 3191, 3203, 3209, 3217, 3221, 3229, 3251,
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3253, 3257, 3259, 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329,
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3331, 3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413,
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3433, 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517,
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3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3571, 3581, 3583,
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3593, 3607, 3613, 3617, 3623, 3631, 3637, 3643, 3659, 3671
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];
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fn find_prime(what0 : usize) -> Result<usize,()> {
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let what: u16 = what0 as u16;
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let mut res = Err(());
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for i in 0..N_PRIMES {
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if PRIMES_TABLE[i] == what {
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res = Ok(i);
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break;
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}
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}
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res
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}
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//
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// 210*n + 199 is prime for 0 <= n <= 9
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// the first 512 primes contain all this
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// let's try and prove this with a lookup
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//
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// q[i] = a*i + b
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//
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// The public inputs are `a = 210` and `b = 199`
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//
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fn main() -> Result<()> {
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const D: usize = 2;
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type C = PoseidonGoldilocksConfig;
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type F = <C as GenericConfig<D>>::F;
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let nn = 10;
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let aa = 210;
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let bb = 199;
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env_logger::init();
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let config = CircuitConfig::standard_recursion_config();
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let mut builder = CircuitBuilder::<F, D>::new(config);
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let indices: [u16; TABLE_SIZE] = core::array::from_fn( |i| i as u16 );
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let my_lut_index = builder.add_lookup_table_from_table( &PRIMES_TABLE[..TABLE_SIZE] , &indices );
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// The arithmetic circuit.
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let the_a = builder.add_virtual_target();
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let the_b = builder.add_virtual_target();
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let mut sum_idx = builder.constant(F::ZERO);
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let mut sum_seq = builder.constant(F::ZERO);
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for i in 0..nn {
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let mult = builder.constant(F::from_canonical_usize(i));
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let this = builder.mul_add(mult, the_a, the_b); // x*y + z
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sum_seq = builder.add(sum_seq, this);
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/*
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// debugging only
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let candidate: usize = aa*i + bb;
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let res_idx = find_prime(candidate);
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println!("index of {} is {:?}",candidate,res_idx);
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*/
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let out = builder.add_lookup_from_index( this, my_lut_index );
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sum_idx = builder.add(sum_idx, out);
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}
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// Public inputs are the two initial values (provided below) and the result (which is generated).
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builder.register_public_input(the_a);
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builder.register_public_input(the_b);
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builder.register_public_input(sum_idx);
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builder.register_public_input(sum_seq);
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// Provide initial values.
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let mut pw = PartialWitness::new();
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pw.set_target(the_a, F::from_canonical_usize(aa))?;
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pw.set_target(the_b, F::from_canonical_usize(bb))?;
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let data: CircuitData<F,C,D> = builder.build::<C>();
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let prover_opts = ProverOptions {
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export_witness: Some(String::from("lookup_witness.json")),
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print_hash_statistics: HashStatisticsPrintLevel::None,
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};
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let proof = data.prove_with_options(pw, &prover_opts)?;
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// serialize circuit into JSON
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let common_circuit_data_serialized = serde_json::to_string(&data.common ).unwrap();
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let verifier_only_circuit_data_serialized = serde_json::to_string(&data.verifier_only).unwrap();
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let proof_serialized = serde_json::to_string(&proof ).unwrap();
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fs::write("lookup_common.json" , common_circuit_data_serialized) .expect("Unable to write file");
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fs::write("lookup_vkey.json" , verifier_only_circuit_data_serialized).expect("Unable to write file");
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fs::write("lookup_proof.json" , proof_serialized) .expect("Unable to write file");
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println!("the arithmetic progression `q[i] := {}*i + {}` for 0<=i<{} are all primes!",proof.public_inputs[0],proof.public_inputs[1],nn);
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println!("sum of the indices of these primes = {}",proof.public_inputs[2]);
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println!("and the sum of the actual primes = {}",proof.public_inputs[3]);
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let res = data.verify(proof);
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res
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}
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