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api_test.go
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package musig2_test
import (
"bytes"
mathrand "math/rand"
"testing"
"github.com/sammyne/musig2"
"github.com/sammyne/musig2/sr25519"
)
func TestVerify_Err(t *testing.T) {
msg := []byte("hello-world")
mRand := mathrand.New(mathrand.NewSource(123))
privA, err := sr25519.GenerateKey(mRand)
if err != nil {
t.Fatal(err)
}
privB, err := sr25519.GenerateKey(mRand)
if err != nil {
t.Fatal(err)
}
msA, err := musig2.NewMuSig2(mRand, privA, msg)
if err != nil {
t.Fatal(err)
}
msB, err := musig2.NewMuSig2(mRand, privB, msg)
if err != nil {
t.Fatal(err)
}
noncesA, err := msA.OurNonces()
if err != nil {
t.Fatal(err)
}
noncesB, err := msB.OurNonces()
if err != nil {
t.Fatal(err)
}
if err := msA.AddOtherNonces(msB.PublicKey().MustMarshalBinary(), noncesB); err != nil {
t.Fatal(err)
}
if err := msB.AddOtherNonces(msA.PublicKey().MustMarshalBinary(), noncesA); err != nil {
t.Fatal(err)
}
cosigA, err := msA.OurCosig()
if err != nil {
t.Fatal(err)
}
cosigB, err := msB.OurCosig()
if err != nil {
t.Fatal(err)
}
if err := msA.AddOtherCosig(msB.PublicKey().MustMarshalBinary(), cosigB); err != nil {
t.Fatal(err)
}
if err := msB.AddOtherCosig(msA.PublicKey().MustMarshalBinary(), cosigA); err != nil {
t.Fatal(err)
}
sigA, err := msA.Sign()
if err != nil {
t.Fatal(err)
}
sigB, err := msB.Sign()
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(sigA, sigB) {
t.Fatal("mismatch sig")
}
Xs := []*sr25519.PublicKey{&privA.PublicKey, &privB.PublicKey}
sigA[0] = ^sigA[0]
if err := musig2.Verify(Xs, msg, sigA); err == nil {
t.Fatal("missing error")
}
}