logos-storage/gnark-plonky2-verifier
1
0
Fork 0
mirror of https://github.com/logos-storage/gnark-plonky2-verifier.git synced 2026-01-02 13:13:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

added support to optionally use bit decompose range checker

Browse Source
This commit is contained in:
Kevin Jue 2023-12-21 12:23:28 -08:00
parent 89b5a01e4b
commit 9be0171580
2 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
goldilocks/base.go
View File

@ -18,6 +18,7 @@ import (
"fmt"
"math"
"math/big"
"os"
"github.com/consensys/gnark-crypto/field/goldilocks"
"github.com/consensys/gnark/constraint/solver"
@ -86,7 +87,16 @@ type Chip struct {
// Creates a new Goldilocks Chip.
func New(api frontend.API) *Chip {
rangeChecker := rangecheck.New(api)
use_bit_decomp := os.Getenv("USE_BIT_DECOMPOSITION_RANGE_CHECK")
var rangeChecker frontend.Rangechecker
// If USE_BIT_DECOMPOSITION_RANGE_CHECK is not set, then use the std.rangecheck New function
if use_bit_decomp == "" {
rangeChecker = rangecheck.New(api)
} else {
rangeChecker = bitDecompChecker{api: api}
}
return &Chip{api: api, rangeChecker: rangeChecker}
}

9
goldilocks/utils.go
View File

@ -4,6 +4,7 @@ import (
"math/big"
"github.com/consensys/gnark/frontend"
"github.com/consensys/gnark/std/math/bits"
)
func StrArrayToBigIntArray(input []string) []big.Int {
@ -43,3 +44,11 @@ func Uint64ArrayToQuadraticExtensionArray(input [][]uint64) []QuadraticExtension
}
return output
}
type bitDecompChecker struct {
api frontend.API
}
func (pl bitDecompChecker) Check(v frontend.Variable, nbBits int) {
bits.ToBinary(pl.api, v, bits.WithNbDigits(nbBits))
}