arnaucube/go-circom-prover-verifier
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Use fft on calculateH polynomial multiplication

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For a circuit arround 22500 constraints:
- before: the proof was generated aprox in `80 seconds`
- now: the proof is generated aprox in `16 seconds`
This commit is contained in:
arnaucube
2020-04-21 15:38:50 +02:00
parent fb3bbedde5
commit 9b93bad028
3 changed files with 79 additions and 17 deletions
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49
prover/prover_test.go
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@@ -2,6 +2,7 @@ package prover
import (
"encoding/json"
"fmt"
"io/ioutil"
"math/big"
"testing"
@@ -13,7 +14,7 @@ import (
"github.com/stretchr/testify/require"
)
func TestSmallCircuitGenerateProf(t *testing.T) {
func TestSmallCircuitGenerateProof(t *testing.T) {
provingKeyJson, err := ioutil.ReadFile("../testdata/small/proving_key.json")
require.Nil(t, err)
pk, err := parsers.ParsePk(provingKeyJson)
@@ -52,7 +53,7 @@ func TestSmallCircuitGenerateProf(t *testing.T) {
// snarkjs verify --vk testdata/small/verification_key.json -p testdata/small/proof.json --pub testdata/small/public.json
}
func TestBigCircuitGenerateProf(t *testing.T) {
func TestBigCircuitGenerateProof(t *testing.T) {
provingKeyJson, err := ioutil.ReadFile("../testdata/big/proving_key.json")
require.Nil(t, err)
pk, err := parsers.ParsePk(provingKeyJson)
@@ -89,6 +90,50 @@ func TestBigCircuitGenerateProf(t *testing.T) {
// snarkjs verify --vk testdata/big/verification_key.json -p testdata/big/proof.json --pub testdata/big/public.json
}
func TestIdStateCircuitGenerateProof(t *testing.T) {
// this test is to execute the proof generation for a bigger circuit
// (arround 22500 constraints)
//
// to see the time needed to execute this
// test Will need the ../testdata/idstate-circuit compiled &
// trustedsetup files (generated in
// https://github.com/iden3/go-zksnark-full-flow-example)
if false {
fmt.Println("TestIdStateCircuitGenerateProof activated")
provingKeyJson, err := ioutil.ReadFile("../testdata/idstate-circuit/proving_key.json")
require.Nil(t, err)
pk, err := parsers.ParsePk(provingKeyJson)
require.Nil(t, err)
witnessJson, err := ioutil.ReadFile("../testdata/idstate-circuit/witness.json")
require.Nil(t, err)
w, err := parsers.ParseWitness(witnessJson)
require.Nil(t, err)
proof, pubSignals, err := GenerateProof(pk, w)
assert.Nil(t, err)
proofStr, err := parsers.ProofToJson(proof)
assert.Nil(t, err)
err = ioutil.WriteFile("../testdata/idstate-circuit/proof.json", proofStr, 0644)
assert.Nil(t, err)
publicStr, err := json.Marshal(parsers.ArrayBigIntToString(pubSignals))
assert.Nil(t, err)
err = ioutil.WriteFile("../testdata/idstate-circuit/public.json", publicStr, 0644)
assert.Nil(t, err)
// verify the proof
vkJson, err := ioutil.ReadFile("../testdata/idstate-circuit/verification_key.json")
require.Nil(t, err)
vk, err := parsers.ParseVk(vkJson)
require.Nil(t, err)
v := verifier.Verify(vk, proof, pubSignals)
assert.True(t, v)
}
}
func BenchmarkGenerateProof(b *testing.B) {
provingKeyJson, err := ioutil.ReadFile("../testdata/big/proving_key.json")
require.Nil(b, err)