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- // Copyright 2018 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package enode
- import (
- "bytes"
- "crypto/ecdsa"
- "encoding/hex"
- "math/big"
- "testing"
- "github.com/ethereum/go-ethereum/crypto"
- "github.com/ethereum/go-ethereum/p2p/enr"
- "github.com/ethereum/go-ethereum/rlp"
- "github.com/stretchr/testify/assert"
- "github.com/stretchr/testify/require"
- )
- var (
- privkey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
- pubkey = &privkey.PublicKey
- )
- func TestEmptyNodeID(t *testing.T) {
- var r enr.Record
- if addr := ValidSchemes.NodeAddr(&r); addr != nil {
- t.Errorf("wrong address on empty record: got %v, want %v", addr, nil)
- }
- require.NoError(t, SignV4(&r, privkey))
- expected := "a448f24c6d18e575453db13171562b71999873db5b286df957af199ec94617f7"
- assert.Equal(t, expected, hex.EncodeToString(ValidSchemes.NodeAddr(&r)))
- }
- // Checks that failure to sign leaves the record unmodified.
- func TestSignError(t *testing.T) {
- invalidKey := &ecdsa.PrivateKey{D: new(big.Int), PublicKey: *pubkey}
- var r enr.Record
- emptyEnc, _ := rlp.EncodeToBytes(&r)
- if err := SignV4(&r, invalidKey); err == nil {
- t.Fatal("expected error from SignV4")
- }
- newEnc, _ := rlp.EncodeToBytes(&r)
- if !bytes.Equal(newEnc, emptyEnc) {
- t.Fatal("record modified even though signing failed")
- }
- }
- // TestGetSetSecp256k1 tests encoding/decoding and setting/getting of the Secp256k1 key.
- func TestGetSetSecp256k1(t *testing.T) {
- var r enr.Record
- if err := SignV4(&r, privkey); err != nil {
- t.Fatal(err)
- }
- var pk Secp256k1
- require.NoError(t, r.Load(&pk))
- assert.EqualValues(t, pubkey, &pk)
- }
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