You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

122 lines
3.8 KiB

package blindsecp256k1
import (
"encoding/hex"
"encoding/json"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/crypto"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestMarshalers(t *testing.T) {
// Point
p := G.Mul(big.NewInt(1234))
b, err := json.Marshal(p)
require.Nil(t, err)
assert.Equal(t,
`{"x":"102884003323827292915668239759940053105992008087520207150474896054185180420338","y":"49384988101491619794462775601349526588349137780292274540231125201115197157452"}`, //nolint:lll
string(b))
var p2 *Point
err = json.Unmarshal(b, &p2)
require.Nil(t, err)
assert.Equal(t, p, p2)
// PublicKey
pk := PublicKey(*p)
b, err = json.Marshal(pk)
require.Nil(t, err)
assert.Equal(t,
`{"x":"102884003323827292915668239759940053105992008087520207150474896054185180420338","y":"49384988101491619794462775601349526588349137780292274540231125201115197157452"}`, //nolint:lll
string(b))
var pk2 PublicKey
err = json.Unmarshal(b, &pk2)
require.Nil(t, err)
assert.Equal(t, pk, pk2)
// Signature
sig := Signature{
S: big.NewInt(9876),
F: p,
}
b, err = json.Marshal(sig)
require.Nil(t, err)
assert.Equal(t,
`{"s":"9876","f":{"x":"102884003323827292915668239759940053105992008087520207150474896054185180420338","y":"49384988101491619794462775601349526588349137780292274540231125201115197157452"}}`, //nolint:lll
string(b))
var sig2 Signature
err = json.Unmarshal(b, &sig2)
require.Nil(t, err)
assert.Equal(t, sig, sig2)
}
func TestBytes(t *testing.T) {
// Point
p := G.Mul(big.NewInt(3))
b := p.Bytes()
assert.Equal(t, "f9308a019258c31049344f85f89d5229b531c845836f99b08601f113bce036f900", hex.EncodeToString(b)) //nolint:lll
p2, err := NewPointFromBytes(b)
assert.Nil(t, err)
assert.Equal(t, p, p2)
p = G.Mul(big.NewInt(1234))
b = p.Bytes()
assert.Equal(t, "e37648435c60dcd181b3d41d50857ba5b5abebe279429aa76558f6653f1658f200", hex.EncodeToString(b)) //nolint:lll
p2, err = NewPointFromBytes(b)
assert.Nil(t, err)
assert.Equal(t, p, p2)
// PublicKey
pk := PublicKey(*p)
b = pk.Bytes()
assert.Equal(t, "e37648435c60dcd181b3d41d50857ba5b5abebe279429aa76558f6653f1658f200", hex.EncodeToString(b)) //nolint:lll
pk2, err := NewPublicKeyFromBytes(b)
assert.Nil(t, err)
assert.Equal(t, &pk, pk2)
// Signature
sig := Signature{
S: big.NewInt(9876),
F: p,
}
b = sig.Bytes()
assert.Equal(t, "9426000000000000000000000000000000000000000000000000000000000000e37648435c60dcd181b3d41d50857ba5b5abebe279429aa76558f6653f1658f200", hex.EncodeToString(b)) //nolint:lll
sig2, err := NewSignatureFromBytes(b)
assert.Nil(t, err)
assert.Equal(t, &sig, sig2)
// Signature with bigger values
s, ok := new(big.Int).SetString("43744879514016998261043792362491545206150700367692876136431010903034023684055", 10) //nolint:lll
require.True(t, ok)
x, ok := new(big.Int).SetString("56183217574518331862027285308947626162625485037257226169003339923450551228164", 10) //nolint:lll
require.True(t, ok)
y, ok := new(big.Int).SetString("62825693913681695979055350889339417157462875026935818721506450621762231021976", 10) //nolint:lll
require.True(t, ok)
sig = Signature{
S: s,
F: &Point{X: x, Y: y},
}
b = sig.Bytes()
assert.Equal(t, "d7a75050259cc06415f19bde5460a58325e3050806ba949d9ac9728b71b9b6607c369301ed99f1b2ea93f2e3083dd52a2ce8d1d3feca1ad31e78811900ba570400", hex.EncodeToString(b)) //nolint:lll
sig2, err = NewSignatureFromBytes(b)
assert.Nil(t, err)
assert.Equal(t, &sig, sig2)
}
func TestImportECDSApubKey(t *testing.T) {
// Generate an ECDSA key
k, err := crypto.GenerateKey()
assert.Nil(t, err)
// Import the ECDSA Public key bytes into a PublicKey type
pk, err := NewPublicKeyFromECDSA(crypto.FromECDSAPub(&k.PublicKey))
assert.Nil(t, err)
// Set the ECDSA Private key point as a blindsecp256k1 PrivateKey type
bk := PrivateKey(*k.D)
// Compare both public keys
assert.Equal(t, bk.Public().Bytes(), pk.Bytes())
}