75 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			75 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
|   | // 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) | ||
|  | } |