logos-storage/gnark-plonky2-verifier
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generate proof challenges instead of receiving through JSON

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This commit is contained in:
Nicholas Ward 2023-05-01 10:26:45 -07:00
parent 2acec50b96
commit 2d7f5ecf50
8 changed files with 30 additions and 28 deletions
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1
plonky2_verifier/data/dummy_2^14_gates/proof_challenges.json
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@ -1 +0,0 @@
{"plonk_betas":[11216469004148781751,6201977337075152249],"plonk_gammas":[8369751006669847974,3610024170884289835],"plonk_alphas":[970160439138448145,2402201283787401921],"plonk_zeta":[17377750363769967882,11921191651424768462],"fri_challenges":{"fri_alpha":[14107038880704607350,2206343865181400103],"fri_betas":[],"fri_pow_response":189028802052971,"fri_query_indices":[14,19,40,37,6,4,23,18,34,22,43,35,12,45,52,50,23,9,31,61,48,37,10,37,38,7,2,48]}}

1
plonky2_verifier/data/fibonacci/proof_challenges.json
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@ -1 +0,0 @@
{"plonk_betas":[12971851817998460587,10437175405489723736],"plonk_gammas":[8479625606955782945,3810097167144316198],"plonk_alphas":[9298386058996050960,3314375019423950587],"plonk_zeta":[16024275880526593214,9166642105134614584],"fri_challenges":{"fri_alpha":[9179060524700746859,5307687266418646185],"fri_betas":[],"fri_pow_response":182691749083890,"fri_query_indices":[4,61,0,34,24,53,10,46,44,20,40,53,39,5,29,32,20,13,1,20,50,36,4,33,41,60,14,2]}}

2
plonky2_verifier/data/fibonacci/proof_with_public_inputs.json
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File diff suppressed because one or more lines are too long

15
plonky2_verifier/deserialize.go
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@ -144,9 +144,6 @@ type CommonCircuitDataRaw struct {
NumPublicInputs uint64 `json:"num_public_inputs"` NumPublicInputs uint64 `json:"num_public_inputs"`
KIs []uint64 `json:"k_is"` KIs []uint64 `json:"k_is"`
NumPartialProducts uint64 `json:"num_partial_products"` NumPartialProducts uint64 `json:"num_partial_products"`
CircuitDigest struct {
Elements []uint64 `json:"elements"`
} `json:"circuit_digest"`
} }
type ProofChallengesRaw struct { type ProofChallengesRaw struct {
@ -166,6 +163,9 @@ type VerifierOnlyCircuitDataRaw struct {
ConstantsSigmasCap []struct { ConstantsSigmasCap []struct {
Elements []uint64 `json:"elements"` Elements []uint64 `json:"elements"`
} `json:"constants_sigmas_cap"` } `json:"constants_sigmas_cap"`
CircuitDigest struct {
Elements []uint64 `json:"elements"`
} `json:"circuit_digest"`
} }
func DeserializeMerkleCap(merkleCapRaw []struct{ Elements []uint64 }) MerkleCap { func DeserializeMerkleCap(merkleCapRaw []struct{ Elements []uint64 }) MerkleCap {
@ -408,7 +408,6 @@ func DeserializeCommonCircuitData(path string) CommonCircuitData {
commonCircuitData.NumPublicInputs = raw.NumPublicInputs commonCircuitData.NumPublicInputs = raw.NumPublicInputs
commonCircuitData.KIs = utils.Uint64ArrayToFArray(raw.KIs) commonCircuitData.KIs = utils.Uint64ArrayToFArray(raw.KIs)
commonCircuitData.NumPartialProducts = raw.NumPartialProducts commonCircuitData.NumPartialProducts = raw.NumPartialProducts
copy(commonCircuitData.CircuitDigest[:], utils.Uint64ArrayToFArray(raw.CircuitDigest.Elements))
return commonCircuitData return commonCircuitData
} }
@ -428,7 +427,9 @@ func DeserializeVerifierOnlyCircuitData(path string) VerifierOnlyCircuitData {
panic(err) panic(err)
} }
return VerifierOnlyCircuitData{ var verifierOnlyCircuitData VerifierOnlyCircuitData
ConstantSigmasCap: DeserializeMerkleCap([]struct{ Elements []uint64 }(raw.ConstantsSigmasCap)), verifierOnlyCircuitData.ConstantSigmasCap = DeserializeMerkleCap([]struct{ Elements []uint64 }(raw.ConstantsSigmasCap))
} copy(verifierOnlyCircuitData.CircuitDigest[:], utils.Uint64ArrayToFArray(raw.CircuitDigest.Elements))
return verifierOnlyCircuitData
} }

29
plonky2_verifier/plonk_test.go
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@ -10,23 +10,26 @@ import (
) )
type TestPlonkCircuit struct { type TestPlonkCircuit struct {
proofWithPIsFilename string `gnark:"-"` proofWithPIsFilename string `gnark:"-"`
commonCircuitDataFilename string `gnark:"-"` commonCircuitDataFilename string `gnark:"-"`
proofChallengesFilename string `gnark:"-"` verifierOnlyCircuitDataFilename string `gnark:"-"`
} }
func (circuit *TestPlonkCircuit) Define(api frontend.API) error { func (circuit *TestPlonkCircuit) Define(api frontend.API) error {
proofWithPis := DeserializeProofWithPublicInputs(circuit.proofWithPIsFilename) proofWithPis := DeserializeProofWithPublicInputs(circuit.proofWithPIsFilename)
commonCircuitData := DeserializeCommonCircuitData(circuit.commonCircuitDataFilename) commonCircuitData := DeserializeCommonCircuitData(circuit.commonCircuitDataFilename)
proofChallenges := DeserializeProofChallenges(circuit.proofChallengesFilename) verifierOnlyCircuitData := DeserializeVerifierOnlyCircuitData(circuit.verifierOnlyCircuitDataFilename)
fieldAPI := NewFieldAPI(api) fieldAPI := NewFieldAPI(api)
qeAPI := NewQuadraticExtensionAPI(fieldAPI, commonCircuitData.DegreeBits) qeAPI := NewQuadraticExtensionAPI(fieldAPI, commonCircuitData.DegreeBits)
hashAPI := NewHashAPI(fieldAPI)
poseidonChip := poseidon.NewPoseidonChip(api, fieldAPI, qeAPI)
friChip := NewFriChip(api, fieldAPI, qeAPI, hashAPI, poseidonChip, &commonCircuitData.FriParams)
plonkChip := NewPlonkChip(api, qeAPI, commonCircuitData) plonkChip := NewPlonkChip(api, qeAPI, commonCircuitData)
poseidonChip := poseidon.NewPoseidonChip(api, fieldAPI, qeAPI) verifierChip := NewVerifierChip(api, fieldAPI, qeAPI, poseidonChip, plonkChip, friChip)
publicInputsHash := poseidonChip.HashNoPad(proofWithPis.PublicInputs) publicInputsHash := verifierChip.GetPublicInputsHash(proofWithPis.PublicInputs)
proofChallenges := verifierChip.GetChallenges(proofWithPis, publicInputsHash, commonCircuitData, verifierOnlyCircuitData)
plonkChip.Verify(proofChallenges, proofWithPis.Proof.Openings, publicInputsHash) plonkChip.Verify(proofChallenges, proofWithPis.Proof.Openings, publicInputsHash)
return nil return nil
@ -37,9 +40,9 @@ func TestPlonkFibonacci(t *testing.T) {
testCase := func() { testCase := func() {
circuit := TestPlonkCircuit{ circuit := TestPlonkCircuit{
proofWithPIsFilename: "./data/fibonacci/proof_with_public_inputs.json", proofWithPIsFilename: "./data/fibonacci/proof_with_public_inputs.json",
commonCircuitDataFilename: "./data/fibonacci/common_circuit_data.json", commonCircuitDataFilename: "./data/fibonacci/common_circuit_data.json",
proofChallengesFilename: "./data/fibonacci/proof_challenges.json", verifierOnlyCircuitDataFilename: "./data/fibonacci/verifier_only_circuit_data.json",
} }
witness := TestPlonkCircuit{} witness := TestPlonkCircuit{}
err := test.IsSolved(&circuit, &witness, TEST_CURVE.ScalarField()) err := test.IsSolved(&circuit, &witness, TEST_CURVE.ScalarField())
@ -54,9 +57,9 @@ func TestPlonkDummy(t *testing.T) {
testCase := func() { testCase := func() {
circuit := TestPlonkCircuit{ circuit := TestPlonkCircuit{
proofWithPIsFilename: "./data/dummy_2^14_gates/proof_with_public_inputs.json", proofWithPIsFilename: "./data/dummy_2^14_gates/proof_with_public_inputs.json",
commonCircuitDataFilename: "./data/dummy_2^14_gates/common_circuit_data.json", commonCircuitDataFilename: "./data/dummy_2^14_gates/common_circuit_data.json",
proofChallengesFilename: "./data/dummy_2^14_gates/proof_challenges.json", verifierOnlyCircuitDataFilename: "./data/dummy_2^14_gates/verifier_only_circuit_data.json",
} }
witness := TestPlonkCircuit{} witness := TestPlonkCircuit{}
err := test.IsSolved(&circuit, &witness, TEST_CURVE.ScalarField()) err := test.IsSolved(&circuit, &witness, TEST_CURVE.ScalarField())

2
plonky2_verifier/structs.go
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@ -65,6 +65,7 @@ type ProofWithPublicInputs struct {
type VerifierOnlyCircuitData struct { type VerifierOnlyCircuitData struct {
ConstantSigmasCap MerkleCap ConstantSigmasCap MerkleCap
CircuitDigest Hash
} }
type FriConfig struct { type FriConfig struct {
@ -110,7 +111,6 @@ type CommonCircuitData struct {
NumPublicInputs uint64 NumPublicInputs uint64
KIs []F KIs []F
NumPartialProducts uint64 NumPartialProducts uint64
CircuitDigest Hash
} }
type ProofChallenges struct { type ProofChallenges struct {

6
plonky2_verifier/verifier.go
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@ -31,12 +31,12 @@ func (c *VerifierChip) GetPublicInputsHash(publicInputs []F) Hash {
return c.poseidonChip.HashNoPad(publicInputs) return c.poseidonChip.HashNoPad(publicInputs)
} }
func (c *VerifierChip) GetChallenges(proofWithPis ProofWithPublicInputs, publicInputsHash Hash, commonData CommonCircuitData) ProofChallenges { func (c *VerifierChip) GetChallenges(proofWithPis ProofWithPublicInputs, publicInputsHash Hash, commonData CommonCircuitData, verifierData VerifierOnlyCircuitData) ProofChallenges {
config := commonData.Config config := commonData.Config
numChallenges := config.NumChallenges numChallenges := config.NumChallenges
challenger := NewChallengerChip(c.api, c.fieldAPI, c.poseidonChip) challenger := NewChallengerChip(c.api, c.fieldAPI, c.poseidonChip)
var circuitDigest = commonData.CircuitDigest var circuitDigest = verifierData.CircuitDigest
challenger.ObserveHash(circuitDigest) challenger.ObserveHash(circuitDigest)
challenger.ObserveHash(publicInputsHash) challenger.ObserveHash(publicInputsHash)
@ -71,7 +71,7 @@ func (c *VerifierChip) Verify(proofWithPis ProofWithPublicInputs, verifierData V
// TODO: Verify shape of the proof? // TODO: Verify shape of the proof?
publicInputsHash := c.GetPublicInputsHash(proofWithPis.PublicInputs) publicInputsHash := c.GetPublicInputsHash(proofWithPis.PublicInputs)
proofChallenges := c.GetChallenges(proofWithPis, publicInputsHash, commonData) proofChallenges := c.GetChallenges(proofWithPis, publicInputsHash, commonData, verifierData)
c.plonkChip.Verify(proofChallenges, proofWithPis.Proof.Openings, publicInputsHash) c.plonkChip.Verify(proofChallenges, proofWithPis.Proof.Openings, publicInputsHash)

2
plonky2_verifier/verifier_test.go
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@ -41,7 +41,7 @@ func (c *TestVerifierChallengesCircuit) GetChallengesSanityCheck(
commonData CommonCircuitData, commonData CommonCircuitData,
) { ) {
publicInputsHash := c.verifierChip.GetPublicInputsHash(proofWithPis.PublicInputs) publicInputsHash := c.verifierChip.GetPublicInputsHash(proofWithPis.PublicInputs)
proofChallenges := c.verifierChip.GetChallenges(proofWithPis, publicInputsHash, commonData) proofChallenges := c.verifierChip.GetChallenges(proofWithPis, publicInputsHash, commonData, verifierData)
c.hashAPI.AssertIsEqualHash(publicInputsHash, c.expectedPublicInputsHash) c.hashAPI.AssertIsEqualHash(publicInputsHash, c.expectedPublicInputsHash)