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peer_test.go
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/
peer_test.go
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package peer_test
import (
"crypto/rand"
"encoding/base64"
"fmt"
"strings"
"testing"
ic "github.com/libp2p/go-libp2p-core/crypto"
. "github.com/libp2p/go-libp2p-core/peer"
"github.com/libp2p/go-libp2p-core/test"
b58 "github.com/mr-tron/base58/base58"
mh "github.com/multiformats/go-multihash"
)
var gen1 keyset // generated
var gen2 keyset // generated
var man keyset // manual
func hash(b []byte) []byte {
h, _ := mh.Sum(b, mh.SHA2_256, -1)
return []byte(h)
}
func init() {
if err := gen1.generate(); err != nil {
panic(err)
}
if err := gen2.generate(); err != nil {
panic(err)
}
skManBytes = strings.Replace(skManBytes, "\n", "", -1)
if err := man.load(hpkpMan, skManBytes); err != nil {
panic(err)
}
}
type keyset struct {
sk ic.PrivKey
pk ic.PubKey
hpk string
hpkp string
}
func (ks *keyset) generate() error {
var err error
ks.sk, ks.pk, err = test.RandTestKeyPair(ic.RSA, 2048)
if err != nil {
return err
}
bpk, err := ic.MarshalPublicKey(ks.pk)
if err != nil {
return err
}
ks.hpk = string(hash(bpk))
ks.hpkp = b58.Encode([]byte(ks.hpk))
return nil
}
func (ks *keyset) load(hpkp, skBytesStr string) error {
skBytes, err := base64.StdEncoding.DecodeString(skBytesStr)
if err != nil {
return err
}
ks.sk, err = ic.UnmarshalPrivateKey(skBytes)
if err != nil {
return err
}
ks.pk = ks.sk.GetPublic()
bpk, err := ic.MarshalPublicKey(ks.pk)
if err != nil {
return err
}
ks.hpk = string(hash(bpk))
ks.hpkp = b58.Encode([]byte(ks.hpk))
if ks.hpkp != hpkp {
return fmt.Errorf("hpkp doesn't match key. %s", hpkp)
}
return nil
}
func TestIDMatchesPublicKey(t *testing.T) {
test := func(ks keyset) {
p1, err := IDB58Decode(ks.hpkp)
if err != nil {
t.Fatal(err)
}
if ks.hpk != string(p1) {
t.Error("p1 and hpk differ")
}
if !p1.MatchesPublicKey(ks.pk) {
t.Fatal("p1 does not match pk")
}
p2, err := IDFromPublicKey(ks.pk)
if err != nil {
t.Fatal(err)
}
if p1 != p2 {
t.Error("p1 and p2 differ", p1.Pretty(), p2.Pretty())
}
if p2.Pretty() != ks.hpkp {
t.Error("hpkp and p2.Pretty differ", ks.hpkp, p2.Pretty())
}
}
test(gen1)
test(gen2)
test(man)
}
func TestIDMatchesPrivateKey(t *testing.T) {
test := func(ks keyset) {
p1, err := IDB58Decode(ks.hpkp)
if err != nil {
t.Fatal(err)
}
if ks.hpk != string(p1) {
t.Error("p1 and hpk differ")
}
if !p1.MatchesPrivateKey(ks.sk) {
t.Fatal("p1 does not match sk")
}
p2, err := IDFromPrivateKey(ks.sk)
if err != nil {
t.Fatal(err)
}
if p1 != p2 {
t.Error("p1 and p2 differ", p1.Pretty(), p2.Pretty())
}
}
test(gen1)
test(gen2)
test(man)
}
func TestIDEncoding(t *testing.T) {
test := func(ks keyset) {
p1, err := IDB58Decode(ks.hpkp)
if err != nil {
t.Fatal(err)
}
if ks.hpk != string(p1) {
t.Error("p1 and hpk differ")
}
c := ToCid(p1)
p2, err := FromCid(c)
if err != nil || p1 != p2 {
t.Fatal("failed to round-trip through CID:", err)
}
p3, err := Decode(c.String())
if err != nil {
t.Fatal(err)
}
if p3 != p1 {
t.Fatal("failed to round trip through CID string")
}
if ks.hpkp != Encode(p1) {
t.Fatal("should always encode peer IDs as base58 by default")
}
}
test(gen1)
test(gen2)
test(man)
exampleCid := "bafkreifoybygix7fh3r3g5rqle3wcnhqldgdg4shzf4k3ulyw3gn7mabt4"
_, err := Decode(exampleCid)
if err == nil {
t.Fatal("should refuse to decode a non-peer ID CID")
}
c := ToCid("")
if c.Defined() {
t.Fatal("cid of empty peer ID should have been undefined")
}
}
func TestPublicKeyExtraction(t *testing.T) {
t.Skip("disabled until libp2p/go-libp2p-crypto#51 is fixed")
// Happy path
_, originalPub, err := ic.GenerateEd25519Key(rand.Reader)
if err != nil {
t.Fatal(err)
}
id, err := IDFromPublicKey(originalPub)
if err != nil {
t.Fatal(err)
}
extractedPub, err := id.ExtractPublicKey()
if err != nil {
t.Fatal(err)
}
if extractedPub == nil {
t.Fatal("failed to extract public key")
}
if !originalPub.Equals(extractedPub) {
t.Fatal("extracted public key doesn't match")
}
// Test invalid multihash (invariant of the type of public key)
pk, err := ID("").ExtractPublicKey()
if err == nil {
t.Fatal("expected an error")
}
if pk != nil {
t.Fatal("expected a nil public key")
}
// Shouldn't work for, e.g. RSA keys (too large)
_, rsaPub, err := ic.GenerateKeyPair(ic.RSA, 2048)
if err != nil {
t.Fatal(err)
}
rsaId, err := IDFromPublicKey(rsaPub)
if err != nil {
t.Fatal(err)
}
extractedRsaPub, err := rsaId.ExtractPublicKey()
if err != ErrNoPublicKey {
t.Fatal(err)
}
if extractedRsaPub != nil {
t.Fatal("expected to fail to extract public key from rsa ID")
}
}
func TestValidate(t *testing.T) {
// Empty peer ID invalidates
err := ID("").Validate()
if err == nil {
t.Error("expected error")
} else if err != ErrEmptyPeerID {
t.Error("expected error message: " + ErrEmptyPeerID.Error())
}
// Non-empty peer ID validates
p, err := test.RandPeerID()
if err != nil {
t.Fatal(err)
}
err = p.Validate()
if err != nil {
t.Error("expected nil, but found " + err.Error())
}
}
var hpkpMan = `QmcJeseojbPW9hSejUM1sQ1a2QmbrryPK4Z8pWbRUPaYEn`
var skManBytes = `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`