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| 1 | + |
| 2 | + |
| 3 | +#pragma once |
| 4 | +#include "../relation_definitions_fwd.hpp" |
| 5 | +#include "barretenberg/commitment_schemes/kzg/kzg.hpp" |
| 6 | +#include "barretenberg/ecc/curves/bn254/g1.hpp" |
| 7 | +#include "barretenberg/polynomials/barycentric.hpp" |
| 8 | +#include "barretenberg/polynomials/univariate.hpp" |
| 9 | + |
| 10 | +#include "barretenberg/relations/generic_permutation/generic_permutation_relation.hpp" |
| 11 | + |
| 12 | +#include "barretenberg/flavor/flavor.hpp" |
| 13 | +#include "barretenberg/flavor/flavor_macros.hpp" |
| 14 | +#include "barretenberg/polynomials/evaluation_domain.hpp" |
| 15 | +#include "barretenberg/polynomials/polynomial.hpp" |
| 16 | +#include "barretenberg/relations/generated/Toy/toy_avm.hpp" |
| 17 | +#include "barretenberg/relations/generated/Toy/two_column_perm.hpp" |
| 18 | +#include "barretenberg/transcript/transcript.hpp" |
| 19 | + |
| 20 | +namespace proof_system::honk { |
| 21 | +namespace flavor { |
| 22 | + |
| 23 | +class ToyFlavor { |
| 24 | + public: |
| 25 | + using Curve = curve::BN254; |
| 26 | + using G1 = Curve::Group; |
| 27 | + using PCS = pcs::kzg::KZG<Curve>; |
| 28 | + |
| 29 | + using FF = G1::subgroup_field; |
| 30 | + using Polynomial = barretenberg::Polynomial<FF>; |
| 31 | + using PolynomialHandle = std::span<FF>; |
| 32 | + using GroupElement = G1::element; |
| 33 | + using Commitment = G1::affine_element; |
| 34 | + using CommitmentHandle = G1::affine_element; |
| 35 | + using CommitmentKey = pcs::CommitmentKey<Curve>; |
| 36 | + using VerifierCommitmentKey = pcs::VerifierCommitmentKey<Curve>; |
| 37 | + |
| 38 | + static constexpr size_t NUM_PRECOMPUTED_ENTITIES = 1; |
| 39 | + static constexpr size_t NUM_WITNESS_ENTITIES = 7; |
| 40 | + static constexpr size_t NUM_WIRES = NUM_WITNESS_ENTITIES + NUM_PRECOMPUTED_ENTITIES; |
| 41 | + // We have two copies of the witness entities, so we subtract the number of fixed ones (they have no shift), one for |
| 42 | + // the unshifted and one for the shifted |
| 43 | + static constexpr size_t NUM_ALL_ENTITIES = 9; |
| 44 | + |
| 45 | + using Relations = std::tuple<Toy_vm::toy_avm<FF>, sumcheck::two_column_perm_relation<FF>>; |
| 46 | + |
| 47 | + static constexpr size_t MAX_PARTIAL_RELATION_LENGTH = compute_max_partial_relation_length<Relations>(); |
| 48 | + |
| 49 | + // BATCHED_RELATION_PARTIAL_LENGTH = algebraic degree of sumcheck relation *after* multiplying by the `pow_zeta` |
| 50 | + // random polynomial e.g. For \sum(x) [A(x) * B(x) + C(x)] * PowZeta(X), relation length = 2 and random relation |
| 51 | + // length = 3 |
| 52 | + static constexpr size_t BATCHED_RELATION_PARTIAL_LENGTH = MAX_PARTIAL_RELATION_LENGTH + 1; |
| 53 | + static constexpr size_t NUM_RELATIONS = std::tuple_size<Relations>::value; |
| 54 | + |
| 55 | + template <size_t NUM_INSTANCES> |
| 56 | + using ProtogalaxyTupleOfTuplesOfUnivariates = |
| 57 | + decltype(create_protogalaxy_tuple_of_tuples_of_univariates<Relations, NUM_INSTANCES>()); |
| 58 | + using SumcheckTupleOfTuplesOfUnivariates = decltype(create_sumcheck_tuple_of_tuples_of_univariates<Relations>()); |
| 59 | + using TupleOfArraysOfValues = decltype(create_tuple_of_arrays_of_values<Relations>()); |
| 60 | + |
| 61 | + static constexpr bool has_zero_row = true; |
| 62 | + |
| 63 | + private: |
| 64 | + template <typename DataType_> class PrecomputedEntities : public PrecomputedEntitiesBase { |
| 65 | + public: |
| 66 | + using DataType = DataType_; |
| 67 | + |
| 68 | + DEFINE_FLAVOR_MEMBERS(DataType, toy_first) |
| 69 | + |
| 70 | + RefVector<DataType> get_selectors() { return { toy_first }; }; |
| 71 | + RefVector<DataType> get_sigma_polynomials() { return {}; }; |
| 72 | + RefVector<DataType> get_id_polynomials() { return {}; }; |
| 73 | + RefVector<DataType> get_table_polynomials() { return {}; }; |
| 74 | + }; |
| 75 | + |
| 76 | + template <typename DataType> class WitnessEntities { |
| 77 | + public: |
| 78 | + DEFINE_FLAVOR_MEMBERS(DataType, |
| 79 | + toy_q_tuple_set, |
| 80 | + toy_set_1_column_1, |
| 81 | + toy_set_1_column_2, |
| 82 | + toy_set_2_column_1, |
| 83 | + toy_set_2_column_2, |
| 84 | + toy_x, |
| 85 | + two_column_perm) |
| 86 | + |
| 87 | + RefVector<DataType> get_wires() |
| 88 | + { |
| 89 | + return { toy_q_tuple_set, toy_set_1_column_1, toy_set_1_column_2, toy_set_2_column_1, toy_set_2_column_2, |
| 90 | + toy_x, two_column_perm }; |
| 91 | + }; |
| 92 | + RefVector<DataType> get_sorted_polynomials() { return {}; }; |
| 93 | + }; |
| 94 | + |
| 95 | + template <typename DataType> class AllEntities { |
| 96 | + public: |
| 97 | + DEFINE_FLAVOR_MEMBERS(DataType, |
| 98 | + toy_first, |
| 99 | + toy_q_tuple_set, |
| 100 | + toy_set_1_column_1, |
| 101 | + toy_set_1_column_2, |
| 102 | + toy_set_2_column_1, |
| 103 | + toy_set_2_column_2, |
| 104 | + toy_x, |
| 105 | + two_column_perm, |
| 106 | + toy_x_shift) |
| 107 | + |
| 108 | + RefVector<DataType> get_wires() |
| 109 | + { |
| 110 | + return { toy_first, toy_q_tuple_set, toy_set_1_column_1, toy_set_1_column_2, toy_set_2_column_1, |
| 111 | + toy_set_2_column_2, toy_x, two_column_perm, toy_x_shift }; |
| 112 | + }; |
| 113 | + RefVector<DataType> get_unshifted() |
| 114 | + { |
| 115 | + return { toy_first, toy_q_tuple_set, toy_set_1_column_1, toy_set_1_column_2, toy_set_2_column_1, |
| 116 | + toy_set_2_column_2, toy_x, two_column_perm }; |
| 117 | + }; |
| 118 | + RefVector<DataType> get_to_be_shifted() { return { toy_x }; }; |
| 119 | + RefVector<DataType> get_shifted() { return { toy_x_shift }; }; |
| 120 | + }; |
| 121 | + |
| 122 | + public: |
| 123 | + class ProvingKey : public ProvingKey_<PrecomputedEntities<Polynomial>, WitnessEntities<Polynomial>> { |
| 124 | + public: |
| 125 | + // Expose constructors on the base class |
| 126 | + using Base = ProvingKey_<PrecomputedEntities<Polynomial>, WitnessEntities<Polynomial>>; |
| 127 | + using Base::Base; |
| 128 | + |
| 129 | + // The plookup wires that store plookup read data. |
| 130 | + std::array<PolynomialHandle, 0> get_table_column_wires() { return {}; }; |
| 131 | + }; |
| 132 | + |
| 133 | + using VerificationKey = VerificationKey_<PrecomputedEntities<Commitment>>; |
| 134 | + |
| 135 | + using ProverPolynomials = AllEntities<PolynomialHandle>; |
| 136 | + |
| 137 | + using FoldedPolynomials = AllEntities<std::vector<FF>>; |
| 138 | + |
| 139 | + class AllValues : public AllEntities<FF> { |
| 140 | + public: |
| 141 | + using Base = AllEntities<FF>; |
| 142 | + using Base::Base; |
| 143 | + }; |
| 144 | + |
| 145 | + class AllPolynomials : public AllEntities<Polynomial> { |
| 146 | + public: |
| 147 | + [[nodiscard]] size_t get_polynomial_size() const { return this->toy_q_tuple_set.size(); } |
| 148 | + [[nodiscard]] AllValues get_row(const size_t row_idx) const |
| 149 | + { |
| 150 | + AllValues result; |
| 151 | + for (auto [result_field, polynomial] : zip_view(result.get_all(), get_all())) { |
| 152 | + result_field = polynomial[row_idx]; |
| 153 | + } |
| 154 | + return result; |
| 155 | + } |
| 156 | + }; |
| 157 | + |
| 158 | + using RowPolynomials = AllEntities<FF>; |
| 159 | + |
| 160 | + class PartiallyEvaluatedMultivariates : public AllEntities<Polynomial> { |
| 161 | + public: |
| 162 | + PartiallyEvaluatedMultivariates() = default; |
| 163 | + PartiallyEvaluatedMultivariates(const size_t circuit_size) |
| 164 | + { |
| 165 | + // Storage is only needed after the first partial evaluation, hence polynomials of size (n / 2) |
| 166 | + for (auto& poly : get_all()) { |
| 167 | + poly = Polynomial(circuit_size / 2); |
| 168 | + } |
| 169 | + } |
| 170 | + }; |
| 171 | + |
| 172 | + /** |
| 173 | + * @brief A container for univariates used during Protogalaxy folding and sumcheck. |
| 174 | + * @details During folding and sumcheck, the prover evaluates the relations on these univariates. |
| 175 | + */ |
| 176 | + template <size_t LENGTH> using ProverUnivariates = AllEntities<barretenberg::Univariate<FF, LENGTH>>; |
| 177 | + |
| 178 | + /** |
| 179 | + * @brief A container for univariates produced during the hot loop in sumcheck. |
| 180 | + */ |
| 181 | + using ExtendedEdges = ProverUnivariates<MAX_PARTIAL_RELATION_LENGTH>; |
| 182 | + |
| 183 | + class CommitmentLabels : public AllEntities<std::string> { |
| 184 | + private: |
| 185 | + using Base = AllEntities<std::string>; |
| 186 | + |
| 187 | + public: |
| 188 | + CommitmentLabels() |
| 189 | + : AllEntities<std::string>() |
| 190 | + { |
| 191 | + Base::toy_first = "TOY_FIRST"; |
| 192 | + Base::toy_q_tuple_set = "TOY_Q_TUPLE_SET"; |
| 193 | + Base::toy_set_1_column_1 = "TOY_SET_1_COLUMN_1"; |
| 194 | + Base::toy_set_1_column_2 = "TOY_SET_1_COLUMN_2"; |
| 195 | + Base::toy_set_2_column_1 = "TOY_SET_2_COLUMN_1"; |
| 196 | + Base::toy_set_2_column_2 = "TOY_SET_2_COLUMN_2"; |
| 197 | + Base::toy_x = "TOY_X"; |
| 198 | + Base::two_column_perm = "TWO_COLUMN_PERM"; |
| 199 | + }; |
| 200 | + }; |
| 201 | + |
| 202 | + class VerifierCommitments : public AllEntities<Commitment> { |
| 203 | + private: |
| 204 | + using Base = AllEntities<Commitment>; |
| 205 | + |
| 206 | + public: |
| 207 | + VerifierCommitments(const std::shared_ptr<VerificationKey>& verification_key) |
| 208 | + { |
| 209 | + toy_first = verification_key->toy_first; |
| 210 | + } |
| 211 | + }; |
| 212 | + |
| 213 | + class Transcript : public BaseTranscript { |
| 214 | + public: |
| 215 | + uint32_t circuit_size; |
| 216 | + |
| 217 | + Commitment toy_q_tuple_set; |
| 218 | + Commitment toy_set_1_column_1; |
| 219 | + Commitment toy_set_1_column_2; |
| 220 | + Commitment toy_set_2_column_1; |
| 221 | + Commitment toy_set_2_column_2; |
| 222 | + Commitment toy_x; |
| 223 | + Commitment two_column_perm; |
| 224 | + |
| 225 | + std::vector<barretenberg::Univariate<FF, BATCHED_RELATION_PARTIAL_LENGTH>> sumcheck_univariates; |
| 226 | + std::array<FF, NUM_ALL_ENTITIES> sumcheck_evaluations; |
| 227 | + std::vector<Commitment> zm_cq_comms; |
| 228 | + Commitment zm_cq_comm; |
| 229 | + Commitment zm_pi_comm; |
| 230 | + |
| 231 | + Transcript() = default; |
| 232 | + |
| 233 | + Transcript(const std::vector<uint8_t>& proof) |
| 234 | + : BaseTranscript(proof) |
| 235 | + {} |
| 236 | + |
| 237 | + void deserialize_full_transcript() |
| 238 | + { |
| 239 | + size_t num_bytes_read = 0; |
| 240 | + circuit_size = deserialize_from_buffer<uint32_t>(proof_data, num_bytes_read); |
| 241 | + size_t log_n = numeric::get_msb(circuit_size); |
| 242 | + |
| 243 | + toy_q_tuple_set = deserialize_from_buffer<Commitment>(Transcript::proof_data, num_bytes_read); |
| 244 | + toy_set_1_column_1 = deserialize_from_buffer<Commitment>(Transcript::proof_data, num_bytes_read); |
| 245 | + toy_set_1_column_2 = deserialize_from_buffer<Commitment>(Transcript::proof_data, num_bytes_read); |
| 246 | + toy_set_2_column_1 = deserialize_from_buffer<Commitment>(Transcript::proof_data, num_bytes_read); |
| 247 | + toy_set_2_column_2 = deserialize_from_buffer<Commitment>(Transcript::proof_data, num_bytes_read); |
| 248 | + toy_x = deserialize_from_buffer<Commitment>(Transcript::proof_data, num_bytes_read); |
| 249 | + two_column_perm = deserialize_from_buffer<Commitment>(Transcript::proof_data, num_bytes_read); |
| 250 | + |
| 251 | + for (size_t i = 0; i < log_n; ++i) { |
| 252 | + sumcheck_univariates.emplace_back( |
| 253 | + deserialize_from_buffer<barretenberg::Univariate<FF, BATCHED_RELATION_PARTIAL_LENGTH>>( |
| 254 | + Transcript::proof_data, num_bytes_read)); |
| 255 | + } |
| 256 | + sumcheck_evaluations = |
| 257 | + deserialize_from_buffer<std::array<FF, NUM_ALL_ENTITIES>>(Transcript::proof_data, num_bytes_read); |
| 258 | + for (size_t i = 0; i < log_n; ++i) { |
| 259 | + zm_cq_comms.push_back(deserialize_from_buffer<Commitment>(proof_data, num_bytes_read)); |
| 260 | + } |
| 261 | + zm_cq_comm = deserialize_from_buffer<Commitment>(proof_data, num_bytes_read); |
| 262 | + zm_pi_comm = deserialize_from_buffer<Commitment>(proof_data, num_bytes_read); |
| 263 | + } |
| 264 | + |
| 265 | + void serialize_full_transcript() |
| 266 | + { |
| 267 | + size_t old_proof_length = proof_data.size(); |
| 268 | + Transcript::proof_data.clear(); |
| 269 | + size_t log_n = numeric::get_msb(circuit_size); |
| 270 | + |
| 271 | + serialize_to_buffer(circuit_size, Transcript::proof_data); |
| 272 | + |
| 273 | + serialize_to_buffer<Commitment>(toy_q_tuple_set, Transcript::proof_data); |
| 274 | + serialize_to_buffer<Commitment>(toy_set_1_column_1, Transcript::proof_data); |
| 275 | + serialize_to_buffer<Commitment>(toy_set_1_column_2, Transcript::proof_data); |
| 276 | + serialize_to_buffer<Commitment>(toy_set_2_column_1, Transcript::proof_data); |
| 277 | + serialize_to_buffer<Commitment>(toy_set_2_column_2, Transcript::proof_data); |
| 278 | + serialize_to_buffer<Commitment>(toy_x, Transcript::proof_data); |
| 279 | + serialize_to_buffer<Commitment>(two_column_perm, Transcript::proof_data); |
| 280 | + |
| 281 | + for (size_t i = 0; i < log_n; ++i) { |
| 282 | + serialize_to_buffer(sumcheck_univariates[i], Transcript::proof_data); |
| 283 | + } |
| 284 | + serialize_to_buffer(sumcheck_evaluations, Transcript::proof_data); |
| 285 | + for (size_t i = 0; i < log_n; ++i) { |
| 286 | + serialize_to_buffer(zm_cq_comms[i], proof_data); |
| 287 | + } |
| 288 | + serialize_to_buffer(zm_cq_comm, proof_data); |
| 289 | + serialize_to_buffer(zm_pi_comm, proof_data); |
| 290 | + |
| 291 | + // sanity check to make sure we generate the same length of proof as before. |
| 292 | + ASSERT(proof_data.size() == old_proof_length); |
| 293 | + } |
| 294 | + }; |
| 295 | +}; |
| 296 | + |
| 297 | +} // namespace flavor |
| 298 | + |
| 299 | +namespace sumcheck { |
| 300 | + |
| 301 | +DECLARE_SUMCHECK_RELATION_CLASS(two_column_perm, flavor::ToyFlavor); |
| 302 | + |
| 303 | +} |
| 304 | +} // namespace proof_system::honk |
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