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gnark-plonky2-verifier
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got plonk.evalVanishingPoly working

main
Kevin Jue 3 years ago
parent
857fcf6c78
commit
ef02b447e6
5 changed files with 75 additions and 45 deletions
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  1. +11
    -2
      go.mod
  2. +11
    -10
      go.sum
  3. +32
    -12
      plonky2_verifier/plonk.go
  4. +3
    -8
      plonky2_verifier/plonk_test.go
  5. +18
    -13
      plonky2_verifier/quadratic_extension.go

+ 11
- 2
go.mod
View File

@ -2,18 +2,23 @@ module gnark-ed25519
go 1.19
require (
github.com/consensys/gnark v0.7.2-0.20220921094618-a121a3074ee8
github.com/consensys/gnark-crypto v0.8.1-0.20220819163559-143c75519b0e
)
require (
github.com/blang/semver/v4 v4.0.0 // indirect
github.com/consensys/bavard v0.1.13 // indirect
github.com/consensys/gnark v0.7.2-0.20220921094618-a121a3074ee8 // indirect
github.com/consensys/gnark-crypto v0.8.1-0.20220819163559-143c75519b0e // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/fxamacker/cbor/v2 v2.2.0 // indirect
github.com/google/pprof v0.0.0-20220729232143-a41b82acbcb1 // indirect
github.com/kr/text v0.2.0 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.16 // indirect
github.com/mmcloughlin/addchain v0.4.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/rogpeppe/go-internal v1.9.0 // indirect
github.com/rs/zerolog v1.28.0 // indirect
github.com/stretchr/testify v1.8.0 // indirect
github.com/x448/float16 v0.8.4 // indirect
@ -22,3 +27,7 @@ require (
gopkg.in/yaml.v3 v3.0.1 // indirect
rsc.io/tmplfunc v0.0.3 // indirect
)
// For now, use a forked version of gnark so that the emaulated fields are
// mod'ed when printed. See here: https://github.com/kevjue/gnark/commit/0b216679a380b4b8d29f10dd96f34e8a5702463e
replace github.com/consensys/gnark v0.7.2-0.20220921094618-a121a3074ee8 => github.com/kevjue/gnark v0.7.2-0.20221031212238-0b216679a380

+ 11
- 10
go.sum
View File

@ -2,28 +2,26 @@ github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM
github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=
github.com/consensys/bavard v0.1.13 h1:oLhMLOFGTLdlda/kma4VOJazblc7IM5y5QPd2A/YjhQ=
github.com/consensys/bavard v0.1.13/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI=
github.com/consensys/gnark v0.7.0 h1:zyI8zPAhSazrZPeQpKIFUHLgrnAuxI+EDrFLNizKb9I=
github.com/consensys/gnark v0.7.0/go.mod h1:oQnMurInsfe+9rG4l8qh8AFVihfuRCS5H3XPJH/6HPM=
github.com/consensys/gnark v0.7.2-0.20220915193524-b33f88c79af6 h1:T19XI5vxnMPOdoyyubM81cYr4MHll0n67EDrRjtA2Pg=
github.com/consensys/gnark v0.7.2-0.20220915193524-b33f88c79af6/go.mod h1:iN7/IRE6Eu2QKnTJEsoS48suBV0O5XrM+Nzo1ipp6Zw=
github.com/consensys/gnark v0.7.2-0.20220921094618-a121a3074ee8 h1:vVr7kyVKEQGiMtrLsvS37QPOUzdHVT3X1QlXRZHOo2c=
github.com/consensys/gnark v0.7.2-0.20220921094618-a121a3074ee8/go.mod h1:vxk8P9btWUlF9tgqOyB76wXbB6As5IXxkb/4sNJvE0M=
github.com/consensys/gnark-crypto v0.7.0 h1:rwdy8+ssmLYRqKp+ryRRgQJl/rCq2uv+n83cOydm5UE=
github.com/consensys/gnark-crypto v0.7.0/go.mod h1:KPSuJzyxkJA8xZ/+CV47tyqkr9MmpZA3PXivK4VPrVg=
github.com/consensys/gnark-crypto v0.7.1-0.20220603201101-938eff486457 h1:GCxBDfMg0bM1ZN2fi3OfywjDDr19N+SThchczg5kqJQ=
github.com/consensys/gnark-crypto v0.7.1-0.20220603201101-938eff486457/go.mod h1:9pJ7c3Pq7Rnw3iYoZldpbPRRGNJaRz47YgMiaavwyRY=
github.com/consensys/gnark-crypto v0.8.1-0.20220819163559-143c75519b0e h1:FyL5vcbvCIoD20M4Fvy+TXRbXKjT16gq7Uq0QDkyytM=
github.com/consensys/gnark-crypto v0.8.1-0.20220819163559-143c75519b0e/go.mod h1:ZTnSzNlt98CpwYIJyk6q/KVcshYWr3fOXXFrrY8a0QQ=
github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/fxamacker/cbor/v2 v2.2.0 h1:6eXqdDDe588rSYAi1HfZKbx6YYQO4mxQ9eC6xYpU/JQ=
github.com/fxamacker/cbor/v2 v2.2.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
github.com/google/pprof v0.0.0-20220729232143-a41b82acbcb1 h1:8pyqKJvrJqUYaKS851Ule26pwWvey6IDMiczaBLDKLQ=
github.com/google/pprof v0.0.0-20220729232143-a41b82acbcb1/go.mod h1:gSuNB+gJaOiQKLEZ+q+PK9Mq3SOzhRcw2GsGS/FhYDk=
github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
github.com/kevjue/gnark v0.7.2-0.20221031212238-0b216679a380 h1:AaxoOsAa/6HME7IIZ8XF0RsFNaDjy4WhRX7iK290YqM=
github.com/kevjue/gnark v0.7.2-0.20221031212238-0b216679a380/go.mod h1:iN7/IRE6Eu2QKnTJEsoS48suBV0O5XrM+Nzo1ipp6Zw=
github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
@ -36,6 +34,8 @@ github.com/mmcloughlin/profile v0.1.1/go.mod h1:IhHD7q1ooxgwTgjxQYkACGA77oFTDdFV
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
github.com/rs/zerolog v1.28.0 h1:MirSo27VyNi7RJYP3078AA1+Cyzd2GB66qy3aUHvsWY=
github.com/rs/zerolog v1.28.0/go.mod h1:NILgTygv/Uej1ra5XxGf82ZFSLk58MFGAUS2o6usyD0=
@ -54,6 +54,7 @@ golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec h1:BkDtF2Ih9xZ7le9ndzTA7KJow28VbQW3odyk/8drmuI=
golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

+ 32
- 12
plonky2_verifier/plonk.go
View File

@ -2,18 +2,32 @@ package plonky2_verifier
import (
. "gnark-ed25519/field"
"github.com/consensys/gnark/frontend"
)
type PlonkChip struct {
api frontend.API
field frontend.API
qe *QuadraticExtensionAPI
qe *QuadraticExtensionAPI
commonData CommonCircuitData
proofChallenges ProofChallenges
openings OpeningSet
DEGREE F
DEGREE_BITS_F F
DEGREE_QE QuadraticExtension
}
func NewPlonkChip(qe *QuadraticExtensionAPI, commonData CommonCircuitData) *PlonkChip {
// TODO: Should degreeBits be verified that it fits within the field and that degree is within uint64?
return &PlonkChip{
qe: qe,
commonData: commonData,
DEGREE: NewFieldElement(1 << commonData.DegreeBits),
DEGREE_BITS_F: NewFieldElement(commonData.DegreeBits),
DEGREE_QE: QuadraticExtension{NewFieldElement(1 << commonData.DegreeBits), NewFieldElement(0)},
}
}
func (p *PlonkChip) expPowerOf2Extension(x QuadraticExtension) QuadraticExtension {
@ -31,8 +45,8 @@ func (p *PlonkChip) evalL0(x QuadraticExtension, xPowN QuadraticExtension) Quadr
p.qe.ONE,
)
denominator := p.qe.SubExtension(
p.qe.ScalarMulExtension(x, p.qe.DEGREE_BITS_F),
p.qe.DEGREE_BITS_QE,
p.qe.ScalarMulExtension(x, p.DEGREE),
p.DEGREE_QE,
)
return p.qe.DivExtension(
evalZeroPoly,
@ -55,7 +69,7 @@ func (p *PlonkChip) checkPartialProducts(
partialProductChecks := make([]QuadraticExtension, 0, numPartProds)
for i := uint64(0); i < numPartProds; i += 1 {
for i := uint64(0); i <= numPartProds; i += 1 {
ppStartIdx := i * quotDegreeFactor
numeProduct := numerators[ppStartIdx]
denoProduct := denominators[ppStartIdx]
@ -92,10 +106,9 @@ func (p *PlonkChip) evalVanishingPoly() []QuadraticExtension {
vanishingPartialProductsTerms := make([]QuadraticExtension, 0, p.commonData.Config.NumChallenges*p.commonData.NumPartialProducts)
for i := uint64(0); i < p.commonData.Config.NumChallenges; i++ {
// L_0(zeta) (Z(zeta) - 1) = 0
z1_term := p.qe.SubExtension(
p.qe.MulExtension(l0Zeta, p.openings.PlonkZs[i]),
z1_term := p.qe.MulExtension(
l0Zeta,
)
p.qe.SubExtension(p.openings.PlonkZs[i], p.qe.ONE))
vanishingZ1Terms = append(vanishingZ1Terms, z1_term)
numeratorValues := make([]QuadraticExtension, 0, p.commonData.Config.NumRoutedWires)
@ -135,9 +148,16 @@ func (p *PlonkChip) evalVanishingPoly() []QuadraticExtension {
)
}
return vanishingPartialProductsTerms
return append(vanishingZ1Terms, vanishingPartialProductsTerms...)
}
func (p *PlonkChip) Verify() {
p.evalVanishingPoly()
/*
vanishingPolys := p.evalVanishingPoly()
for _, vp := range vanishingPolys {
//fmt.Println(vp)
}*/
}

+ 3
- 8
plonky2_verifier/plonk_test.go
View File

@ -37,14 +37,9 @@ func (circuit *TestPlonkCircuit) Define(api frontend.API) error {
},
}
plonkChip := PlonkChip{
api: api,
field: field,
qe: qe,
commonData: commonCircuitData,
proofChallenges: proofChallenges,
openings: proofWithPis.Proof.Openings,
}
plonkChip := NewPlonkChip(qe, commonCircuitData)
plonkChip.proofChallenges = proofChallenges
plonkChip.openings = proofWithPis.Proof.Openings
plonkChip.Verify()
return nil

+ 18
- 13
plonky2_verifier/quadratic_extension.go
View File

@ -1,6 +1,7 @@
package plonky2_verifier
import (
"fmt"
. "gnark-ed25519/field"
"github.com/consensys/gnark/frontend"
@ -9,28 +10,24 @@ import (
type QuadraticExtensionAPI struct {
field frontend.API
W F
DTH_ROOT F
ZERO_F F
DEGREE_BITS_F F
W F
DTH_ROOT F
ZERO_F F
ONE QuadraticExtension
DEGREE_BITS_QE QuadraticExtension
ONE QuadraticExtension
}
func NewQuadraticExtensionAPI(field frontend.API, degreeBits uint64) *QuadraticExtensionAPI {
// TODO: Should degreeBits be verified that it fits within the field?
// TODO: Should degreeBits be verified that it fits within the field and that degree is within uint64?
return &QuadraticExtensionAPI{
field: field,
W: NewFieldElement(7),
DTH_ROOT: NewFieldElement(18446744069414584320),
ZERO_F: NewFieldElement(0),
DEGREE_BITS_F: NewFieldElement(degreeBits),
W: NewFieldElement(7),
DTH_ROOT: NewFieldElement(18446744069414584320),
ZERO_F: NewFieldElement(0),
ONE: QuadraticExtension{NewFieldElement(1), NewFieldElement(0)},
DEGREE_BITS_QE: QuadraticExtension{NewFieldElement(degreeBits), NewFieldElement(0)},
ONE: QuadraticExtension{NewFieldElement(1), NewFieldElement(0)},
}
}
@ -82,3 +79,11 @@ func (c *QuadraticExtensionAPI) ScalarMulExtension(a QuadraticExtension, scalar
func (c *QuadraticExtensionAPI) FieldToQE(a F) QuadraticExtension {
return QuadraticExtension{a, c.ZERO_F}
}
func (c *QuadraticExtensionAPI) Println(a QuadraticExtension) {
fmt.Print("Degree 0 coefficient")
c.field.Println(a[0])
fmt.Print("Degree 1 coefficient")
c.field.Println(a[1])
}

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