ceremonyclient/node/execution/ceremony/application/ceremony_application_validating_test.go

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2023-09-25 02:43:35 +00:00
package application
import (
"crypto"
"crypto/rand"
"testing"
"github.com/cloudflare/circl/sign/ed448"
"github.com/stretchr/testify/require"
"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves"
bls48581 "source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves/native/bls48581"
"source.quilibrium.com/quilibrium/monorepo/node/protobufs"
)
func TestApplyTranscript(t *testing.T) {
old := curves.BLS48581G1().Scalar.Random(rand.Reader)
old2 := old.Mul(old)
old3 := old2.Mul(old)
tau := curves.BLS48581G1().Scalar.Random(rand.Reader)
tau2 := tau.Mul(tau)
tau3 := tau2.Mul(tau)
tauPubG2 := curves.BLS48581G2().Point.Generator().Mul(tau)
proverPubKey, proverKey, err := ed448.GenerateKey(rand.Reader)
require.NoError(t, err)
proverSig, err := proverKey.Sign(
rand.Reader,
tauPubG2.ToAffineCompressed(),
crypto.Hash(0),
)
require.NoError(t, err)
blsSignature := make([]byte, int(bls48581.MODBYTES)+1)
key := tau.Bytes()
for i, j := 0, len(key)-1; i < j; i, j = i+1, j-1 {
key[i], key[j] = key[j], key[i]
}
if bls48581.Core_Sign(blsSignature, proverKey, key) != bls48581.BLS_OK {
require.Fail(t, "could not sign")
}
blsSig := blsSignature[:]
updatedTranscript := &protobufs.CeremonyTranscript{
G1Powers: []*protobufs.BLS48581G1PublicKey{
{
KeyValue: curves.BLS48581G1().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
old,
).Mul(tau).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
old2,
).Mul(tau2).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
old3,
).Mul(tau3).ToAffineCompressed(),
},
},
G2Powers: []*protobufs.BLS48581G2PublicKey{
{
KeyValue: curves.BLS48581G2().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
old,
).Mul(tau).ToAffineCompressed(),
},
},
RunningG1_256Witnesses: []*protobufs.BLS48581G1PublicKey{
{
KeyValue: curves.BLS48581G1().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
tau,
).ToAffineCompressed(),
},
},
RunningG2_256Powers: []*protobufs.BLS48581G2PublicKey{
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
old,
).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
old,
).Mul(tau).ToAffineCompressed(),
},
},
}
a := &CeremonyApplication{
StateCount: 0,
RoundCount: 0,
LobbyState: CEREMONY_APPLICATION_STATE_VALIDATING,
FinalCommits: []*protobufs.CeremonyTranscriptCommit{
{
ProverSignature: &protobufs.Ed448Signature{
Signature: proverSig,
PublicKey: &protobufs.Ed448PublicKey{
KeyValue: proverPubKey,
},
},
ContributionSignature: &protobufs.BLS48581Signature{
Signature: blsSig,
PublicKey: &protobufs.BLS48581G2PublicKey{
KeyValue: tauPubG2.ToAffineCompressed(),
},
},
},
},
LatestTranscript: &protobufs.CeremonyTranscript{
G1Powers: []*protobufs.BLS48581G1PublicKey{
{
KeyValue: curves.BLS48581G1().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
old,
).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
old2,
).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
old3,
).ToAffineCompressed(),
},
},
G2Powers: []*protobufs.BLS48581G2PublicKey{
{
KeyValue: curves.BLS48581G2().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
old,
).ToAffineCompressed(),
},
},
RunningG1_256Witnesses: []*protobufs.BLS48581G1PublicKey{
{
KeyValue: curves.BLS48581G1().Point.Generator().ToAffineCompressed(),
},
},
RunningG2_256Powers: []*protobufs.BLS48581G2PublicKey{
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
old,
).ToAffineCompressed(),
},
},
},
UpdatedTranscript: updatedTranscript,
}
err = a.applyTranscript(updatedTranscript)
require.NoError(t, err)
}
func TestApplyRewritingTranscriptFails(t *testing.T) {
old := curves.BLS48581G1().Scalar.Random(rand.Reader)
old2 := old.Mul(old)
old3 := old2.Mul(old)
tau := curves.BLS48581G1().Scalar.Random(rand.Reader)
tau2 := tau.Mul(tau)
tau3 := tau2.Mul(tau)
tauPubG2 := curves.BLS48581G2().Point.Generator().Mul(tau)
proverPubKey, proverKey, err := ed448.GenerateKey(rand.Reader)
require.NoError(t, err)
proverSig, err := proverKey.Sign(
rand.Reader,
tauPubG2.ToAffineCompressed(),
crypto.Hash(0),
)
require.NoError(t, err)
blsSignature := make([]byte, int(bls48581.MODBYTES)+1)
key := tau.Bytes()
for i, j := 0, len(key)-1; i < j; i, j = i+1, j-1 {
key[i], key[j] = key[j], key[i]
}
if bls48581.Core_Sign(blsSignature, proverKey, key) != bls48581.BLS_OK {
require.Fail(t, "could not sign")
}
blsSig := blsSignature[:]
updatedTranscript := &protobufs.CeremonyTranscript{
G1Powers: []*protobufs.BLS48581G1PublicKey{
{
KeyValue: curves.BLS48581G1().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
tau,
).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
tau2,
).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
tau3,
).ToAffineCompressed(),
},
},
G2Powers: []*protobufs.BLS48581G2PublicKey{
{
KeyValue: curves.BLS48581G2().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
tau,
).ToAffineCompressed(),
},
},
// Pretend we're accumulating still
RunningG1_256Witnesses: []*protobufs.BLS48581G1PublicKey{
{
KeyValue: curves.BLS48581G1().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
tau,
).ToAffineCompressed(),
},
},
RunningG2_256Powers: []*protobufs.BLS48581G2PublicKey{
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
old,
).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
old,
).Mul(tau).ToAffineCompressed(),
},
},
}
a := &CeremonyApplication{
StateCount: 0,
RoundCount: 0,
LobbyState: CEREMONY_APPLICATION_STATE_VALIDATING,
FinalCommits: []*protobufs.CeremonyTranscriptCommit{
{
ProverSignature: &protobufs.Ed448Signature{
Signature: proverSig,
PublicKey: &protobufs.Ed448PublicKey{
KeyValue: proverPubKey,
},
},
ContributionSignature: &protobufs.BLS48581Signature{
Signature: blsSig,
PublicKey: &protobufs.BLS48581G2PublicKey{
KeyValue: tauPubG2.ToAffineCompressed(),
},
},
},
},
LatestTranscript: &protobufs.CeremonyTranscript{
G1Powers: []*protobufs.BLS48581G1PublicKey{
{
KeyValue: curves.BLS48581G1().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
old,
).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
old2,
).ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G1().Point.Generator().Mul(
old3,
).ToAffineCompressed(),
},
},
G2Powers: []*protobufs.BLS48581G2PublicKey{
{
KeyValue: curves.BLS48581G2().Point.Generator().ToAffineCompressed(),
},
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
old,
).ToAffineCompressed(),
},
},
RunningG1_256Witnesses: []*protobufs.BLS48581G1PublicKey{
{
KeyValue: curves.BLS48581G1().Point.Generator().ToAffineCompressed(),
},
},
RunningG2_256Powers: []*protobufs.BLS48581G2PublicKey{
{
KeyValue: curves.BLS48581G2().Point.Generator().Mul(
old,
).ToAffineCompressed(),
},
},
},
UpdatedTranscript: updatedTranscript,
}
err = a.applyTranscript(updatedTranscript)
require.NoError(t, err)
}