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package nizk
import (
"fmt"
"testing"
. "kesim.org/seal/common"
)
func TestStage2Simple(t *testing.T) {
id := Curve.RandomScalar()
b1, _, _ := NewBit(id, false) // This is also the junction
c1 := b1.StageCommit()
r1, _ := b1.RevealStage1()
// Because the first index is a junction, any subsequent
// combination of Bits must verify with 'lost' set to true
// in the RevealStage2 calls.
for _, s := range [][2]bool{
{false, false},
{true, false},
{false, true},
{true, true},
} {
b2, bc2, _ := NewBit(id, s[0])
b3, bc3, _ := NewBit(id, s[1])
c2 := b2.StageCommit()
c3 := b3.StageCommit()
t.Run(fmt.Sprintf("variant %t %t b2.b1", s[0], s[1]), func(t *testing.T) {
r2, p2 := b2.RevealStage2(true, b1) // We had lost previously
if !bc2.VerifyStage2(c1, c2, r1, r2, p2) {
t.Fatalf("failed to verify bc2")
}
})
t.Run(fmt.Sprintf("variant %t %t, b3.b1", s[0], s[1]), func(t *testing.T) {
r3, p3 := b3.RevealStage2(true, b1) // We had lost previously
if !bc3.VerifyStage2(c1, c3, r1, r3, p3) {
t.Fatalf("failed to verify bc3")
}
})
}
}
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