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structs and challenges
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jtguibas
parent
34cecba095
commit
7367106b04
162
plonky2_verifier/structs.go
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162
plonky2_verifier/structs.go
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@ -0,0 +1,162 @@
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package plonky2_verifier
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import (
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. "gnark-ed25519/goldilocks"
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)
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type Hash = [4]GoldilocksElement
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type QuadraticExtension = [2]GoldilocksElement
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type MerkleCap = []Hash
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type MerkleProof struct {
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Siblings []Hash
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}
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type EvalProof struct {
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Elements []GoldilocksElement
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MerkleProof MerkleProof
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}
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type FriInitialTreeProof struct {
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EvalsProofs []EvalProof
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}
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type FriQueryStep struct {
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Evals []QuadraticExtension
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MerkleProof MerkleProof
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}
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type FriQueryRound struct {
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InitialTreesProof FriInitialTreeProof
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Steps []FriQueryStep
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}
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type PolynomialCoeffs struct {
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Coeffs []GoldilocksElement
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}
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type FriProof struct {
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CommitPhaseMerkleCaps []MerkleCap
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QueryRoundProofs FriQueryRound
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FinalPoly PolynomialCoeffs
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PowWitness GoldilocksElement
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}
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type OpeningSet struct {
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Constants []QuadraticExtension
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PlonkSigmas []QuadraticExtension
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Wires []QuadraticExtension
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PlonkZs []QuadraticExtension
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PlonkZsNext []QuadraticExtension
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PartialProducts []QuadraticExtension
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QuotientPolys []QuadraticExtension
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}
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type Proof struct {
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WiresCap MerkleCap
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PlonkZsPartialProductsCap MerkleCap
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QuotientPolysCap MerkleCap
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Openings OpeningSet
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OpeningProof FriProof
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}
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type ProofWithPublicInputs struct {
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Proof Proof
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PublicInputs []GoldilocksElement
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}
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type ProofWithPublicInputsRaw struct {
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Proof struct {
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WiresCap []struct {
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Elements []uint64 `json:"elements"`
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} `json:"wires_cap"`
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PlonkZsPartialProductsCap []struct {
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Elements []uint64 `json:"elements"`
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} `json:"plonk_zs_partial_products_cap"`
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QuotientPolysCap []struct {
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Elements []uint64 `json:"elements"`
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} `json:"quotient_polys_cap"`
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Openings struct {
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Constants [][]uint64 `json:"constants"`
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PlonkSigmas [][]uint64 `json:"plonk_sigmas"`
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Wires [][]uint64 `json:"wires"`
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PlonkZs [][]uint64 `json:"plonk_zs"`
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PlonkZsNext [][]uint64 `json:"plonk_zs_next"`
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PartialProducts [][]uint64 `json:"partial_products"`
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QuotientPolys [][]uint64 `json:"quotient_polys"`
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} `json:"openings"`
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OpeningProof struct {
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CommitPhaseMerkleCaps []interface{} `json:"commit_phase_merkle_caps"`
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QueryRoundProofs []struct {
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InitialTreesProof struct {
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EvalsProofs [][]interface{} `json:"evals_proofs"`
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} `json:"initial_trees_proof"`
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Steps []interface{} `json:"steps"`
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} `json:"query_round_proofs"`
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FinalPoly struct {
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Coeffs [][]uint64 `json:"coeffs"`
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} `json:"final_poly"`
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PowWitness uint64 `json:"pow_witness"`
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} `json:"opening_proof"`
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} `json:"proof"`
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PublicInputs []uint64 `json:"public_inputs"`
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}
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type CommonCircuitData struct {
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Config struct {
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NumWires uint64 `json:"num_wires"`
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NumRoutedWires uint64 `json:"num_routed_wires"`
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NumConstants uint64 `json:"num_constants"`
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UseBaseArithmeticGate bool `json:"use_base_arithmetic_gate"`
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SecurityBits uint64 `json:"security_bits"`
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NumChallenges uint64 `json:"num_challenges"`
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ZeroKnowledge bool `json:"zero_knowledge"`
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MaxQuotientDegreeFactor uint64 `json:"max_quotient_degree_factor"`
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FriConfig struct {
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RateBits uint64 `json:"rate_bits"`
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CapHeight uint64 `json:"cap_height"`
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ProofOfWorkBits uint64 `json:"proof_of_work_bits"`
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ReductionStrategy struct {
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ConstantArityBits []uint64 `json:"ConstantArityBits"`
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} `json:"reduction_strategy"`
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NumQueryRounds uint64 `json:"num_query_rounds"`
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} `json:"fri_config"`
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} `json:"config"`
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FriParams struct {
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Config struct {
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RateBits uint64 `json:"rate_bits"`
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CapHeight uint64 `json:"cap_height"`
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ProofOfWorkBits uint64 `json:"proof_of_work_bits"`
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ReductionStrategy struct {
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ConstantArityBits []uint64 `json:"ConstantArityBits"`
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} `json:"reduction_strategy"`
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NumQueryRounds uint64 `json:"num_query_rounds"`
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} `json:"config"`
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Hiding bool `json:"hiding"`
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DegreeBits uint64 `json:"degree_bits"`
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ReductionArityBits []interface{} `json:"reduction_arity_bits"`
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} `json:"fri_params"`
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DegreeBits uint64 `json:"degree_bits"`
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SelectorsInfo struct {
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SelectorIndices []uint64 `json:"selector_indices"`
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Groups []struct {
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Start uint64 `json:"start"`
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End uint64 `json:"end"`
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} `json:"groups"`
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} `json:"selectors_info"`
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QuotientDegreeFactor uint64 `json:"quotient_degree_factor"`
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NumGateConstraints uint64 `json:"num_gate_constraints"`
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NumConstants uint64 `json:"num_constants"`
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NumPublicInputs uint64 `json:"num_public_inputs"`
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KIs []interface{} `json:"k_is"`
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NumPartialProducts uint64 `json:"num_partial_products"`
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CircuitDigest struct {
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Elements []uint64 `json:"elements"`
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} `json:"circuit_digest"`
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}
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type VerifierOnlyCircuitData struct {
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ConstantsSigmasCap []struct {
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Elements []uint64 `json:"elements"`
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} `json:"constants_sigmas_cap"`
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}
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@ -1,94 +1,47 @@
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package plonky2_verifier
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type Proof struct {
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WiresCap []struct {
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Elements []uint64 `json:"elements"`
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} `json:"wires_cap"`
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PlonkZsPartialProductsCap []struct {
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Elements []uint64 `json:"elements"`
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} `json:"plonk_zs_partial_products_cap"`
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QuotientPolysCap []struct {
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Elements []uint64 `json:"elements"`
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} `json:"quotient_polys_cap"`
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Openings struct {
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Constants [][]uint64 `json:"constants"`
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PlonkSigmas [][]uint64 `json:"plonk_sigmas"`
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Wires [][]uint64 `json:"wires"`
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PlonkZs [][]uint64 `json:"plonk_zs"`
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PlonkZsNext [][]uint64 `json:"plonk_zs_next"`
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PartialProducts [][]uint64 `json:"partial_products"`
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QuotientPolys [][]uint64 `json:"quotient_polys"`
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} `json:"openings"`
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OpeningProof struct {
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CommitPhaseMerkleCaps []interface{} `json:"commit_phase_merkle_caps"`
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QueryRoundProofs []struct {
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InitialTreesProof struct {
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EvalsProofs [][]interface{} `json:"evals_proofs"`
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} `json:"initial_trees_proof"`
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Steps []interface{} `json:"steps"`
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} `json:"query_round_proofs"`
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FinalPoly struct {
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Coeffs [][]uint64 `json:"coeffs"`
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} `json:"final_poly"`
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PowWitness uint64 `json:"pow_witness"`
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} `json:"opening_proof"`
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import (
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. "gnark-ed25519/goldilocks"
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"gnark-ed25519/poseidon"
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"gnark-ed25519/utils"
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"github.com/consensys/gnark/frontend"
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)
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type VerifierChip struct {
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api frontend.API
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field frontend.API
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poseidonChip poseidon.PoseidonChip
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}
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type CommonCircuitData struct {
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Config struct {
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NumWires int `json:"num_wires"`
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NumRoutedWires int `json:"num_routed_wires"`
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NumConstants int `json:"num_constants"`
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UseBaseArithmeticGate bool `json:"use_base_arithmetic_gate"`
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SecurityBits int `json:"security_bits"`
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NumChallenges int `json:"num_challenges"`
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ZeroKnowledge bool `json:"zero_knowledge"`
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MaxQuotientDegreeFactor int `json:"max_quotient_degree_factor"`
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FriConfig struct {
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RateBits int `json:"rate_bits"`
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CapHeight int `json:"cap_height"`
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ProofOfWorkBits int `json:"proof_of_work_bits"`
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ReductionStrategy struct {
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ConstantArityBits []int `json:"ConstantArityBits"`
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} `json:"reduction_strategy"`
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NumQueryRounds int `json:"num_query_rounds"`
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} `json:"fri_config"`
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} `json:"config"`
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FriParams struct {
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Config struct {
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RateBits int `json:"rate_bits"`
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CapHeight int `json:"cap_height"`
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ProofOfWorkBits int `json:"proof_of_work_bits"`
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ReductionStrategy struct {
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ConstantArityBits []int `json:"ConstantArityBits"`
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} `json:"reduction_strategy"`
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NumQueryRounds int `json:"num_query_rounds"`
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} `json:"config"`
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Hiding bool `json:"hiding"`
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DegreeBits int `json:"degree_bits"`
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ReductionArityBits []interface{} `json:"reduction_arity_bits"`
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} `json:"fri_params"`
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DegreeBits int `json:"degree_bits"`
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SelectorsInfo struct {
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SelectorIndices []int `json:"selector_indices"`
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Groups []struct {
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Start int `json:"start"`
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End int `json:"end"`
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} `json:"groups"`
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} `json:"selectors_info"`
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QuotientDegreeFactor int `json:"quotient_degree_factor"`
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NumGateConstraints int `json:"num_gate_constraints"`
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NumConstants int `json:"num_constants"`
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NumPublicInputs int `json:"num_public_inputs"`
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KIs []interface{} `json:"k_is"`
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NumPartialProducts int `json:"num_partial_products"`
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CircuitDigest struct {
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Elements []int64 `json:"elements"`
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} `json:"circuit_digest"`
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func (c *VerifierChip) GetPublicInputsHash(publicInputs []GoldilocksElement) poseidon.HashOutput {
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return c.poseidonChip.HashNoPad(publicInputs)
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}
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type VerifierOnlyCircuitData struct {
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ConstantsSigmasCap []struct {
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Elements []int64 `json:"elements"`
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} `json:"constants_sigmas_cap"`
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func (c *VerifierChip) GetChallenges(proofWithPis ProofWithPublicInputs, publicInputsHash Hash, commonData CommonCircuitData) {
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config := commonData.Config
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numChallenges := int(config.NumChallenges)
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challenger := NewChallengerChip(c.api, c.field, c.poseidonChip)
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var circuitDigest Hash
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copy(circuitDigest[:], utils.Uint64ArrayToGoldilocksElementArray(commonData.CircuitDigest.Elements))
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challenger.ObserveHash(circuitDigest)
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challenger.ObserveHash(publicInputsHash)
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challenger.ObserveCap(proofWithPis.Proof.WiresCap)
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plonkBetas := challenger.GetNChallenges(numChallenges)
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plonkGammas := challenger.GetNChallenges(numChallenges)
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challenger.ObserveCap(proofWithPis.Proof.PlonkZsPartialProductsCap)
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plonkAlphas := challenger.GetNChallenges(numChallenges)
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challenger.ObserveCap(proofWithPis.Proof.QuotientPolysCap)
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plonkZeta := challenger.GetNChallenges(numChallenges)
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challenger.ObserveOpenings(proofWithPis.Proof.Openings)
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}
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func (c *VerifierChip) Verify(proofWithPis ProofWithPublicInputs, verifierData VerifierOnlyCircuitData, commonData CommonCircuitData) {
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publicInputsHash := c.GetPublicInputsHash(proofWithPis.PublicInputs)
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challenges := c.GetChallenges(proofWithPis, publicInputsHash, commonData)
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}
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@ -1,9 +1,11 @@
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package utils
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import (
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. "gnark-ed25519/goldilocks"
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"math/big"
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"github.com/consensys/gnark/frontend"
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"github.com/consensys/gnark/std/math/emulated"
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)
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func StrArrayToBigIntArray(input []string) []big.Int {
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@ -23,3 +25,11 @@ func StrArrayToFrontendVariableArray(input []string) []frontend.Variable {
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}
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return output
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}
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func Uint64ArrayToGoldilocksElementArray(input []uint64) []GoldilocksElement {
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var output []GoldilocksElement
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for i := 0; i < len(input); i++ {
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output = append(output, emulated.NewElement[emulated.Goldilocks](input[i]))
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}
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return output
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}
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