github.com/ImPedro29/bor@v0.2.7/p2p/discover/v4wire/v4wire_test.go (about)

     1  // Copyright 2019 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package v4wire
    18  
    19  import (
    20  	"encoding/hex"
    21  	"net"
    22  	"reflect"
    23  	"testing"
    24  
    25  	"github.com/davecgh/go-spew/spew"
    26  	"github.com/ethereum/go-ethereum/common"
    27  	"github.com/ethereum/go-ethereum/crypto"
    28  	"github.com/ethereum/go-ethereum/rlp"
    29  )
    30  
    31  // EIP-8 test vectors.
    32  var testPackets = []struct {
    33  	input      string
    34  	wantPacket interface{}
    35  }{
    36  	{
    37  		input: "71dbda3a79554728d4f94411e42ee1f8b0d561c10e1e5f5893367948c6a7d70bb87b235fa28a77070271b6c164a2dce8c7e13a5739b53b5e96f2e5acb0e458a02902f5965d55ecbeb2ebb6cabb8b2b232896a36b737666c55265ad0a68412f250001ea04cb847f000001820cfa8215a8d790000000000000000000000000000000018208ae820d058443b9a355",
    38  		wantPacket: &Ping{
    39  			Version:    4,
    40  			From:       Endpoint{net.ParseIP("127.0.0.1").To4(), 3322, 5544},
    41  			To:         Endpoint{net.ParseIP("::1"), 2222, 3333},
    42  			Expiration: 1136239445,
    43  			Rest:       []rlp.RawValue{},
    44  		},
    45  	},
    46  	{
    47  		input: "e9614ccfd9fc3e74360018522d30e1419a143407ffcce748de3e22116b7e8dc92ff74788c0b6663aaa3d67d641936511c8f8d6ad8698b820a7cf9e1be7155e9a241f556658c55428ec0563514365799a4be2be5a685a80971ddcfa80cb422cdd0101ec04cb847f000001820cfa8215a8d790000000000000000000000000000000018208ae820d058443b9a3550102",
    48  		wantPacket: &Ping{
    49  			Version:    4,
    50  			From:       Endpoint{net.ParseIP("127.0.0.1").To4(), 3322, 5544},
    51  			To:         Endpoint{net.ParseIP("::1"), 2222, 3333},
    52  			Expiration: 1136239445,
    53  			Rest:       []rlp.RawValue{{0x01}, {0x02}},
    54  		},
    55  	},
    56  	{
    57  		input: "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",
    58  		wantPacket: &Ping{
    59  			Version:    555,
    60  			From:       Endpoint{net.ParseIP("2001:db8:3c4d:15::abcd:ef12"), 3322, 5544},
    61  			To:         Endpoint{net.ParseIP("2001:db8:85a3:8d3:1319:8a2e:370:7348"), 2222, 33338},
    62  			Expiration: 1136239445,
    63  			Rest:       []rlp.RawValue{{0xC5, 0x01, 0x02, 0x03, 0x04, 0x05}},
    64  		},
    65  	},
    66  	{
    67  		input: "09b2428d83348d27cdf7064ad9024f526cebc19e4958f0fdad87c15eb598dd61d08423e0bf66b2069869e1724125f820d851c136684082774f870e614d95a2855d000f05d1648b2d5945470bc187c2d2216fbe870f43ed0909009882e176a46b0102f846d79020010db885a308d313198a2e037073488208ae82823aa0fbc914b16819237dcd8801d7e53f69e9719adecb3cc0e790c57e91ca4461c9548443b9a355c6010203c2040506a0c969a58f6f9095004c0177a6b47f451530cab38966a25cca5cb58f055542124e",
    68  		wantPacket: &Pong{
    69  			To:         Endpoint{net.ParseIP("2001:db8:85a3:8d3:1319:8a2e:370:7348"), 2222, 33338},
    70  			ReplyTok:   common.Hex2Bytes("fbc914b16819237dcd8801d7e53f69e9719adecb3cc0e790c57e91ca4461c954"),
    71  			Expiration: 1136239445,
    72  			Rest:       []rlp.RawValue{{0xC6, 0x01, 0x02, 0x03, 0xC2, 0x04, 0x05}, {0x06}},
    73  		},
    74  	},
    75  	{
    76  		input: "c7c44041b9f7c7e41934417ebac9a8e1a4c6298f74553f2fcfdcae6ed6fe53163eb3d2b52e39fe91831b8a927bf4fc222c3902202027e5e9eb812195f95d20061ef5cd31d502e47ecb61183f74a504fe04c51e73df81f25c4d506b26db4517490103f84eb840ca634cae0d49acb401d8a4c6b6fe8c55b70d115bf400769cc1400f3258cd31387574077f301b421bc84df7266c44e9e6d569fc56be00812904767bf5ccd1fc7f8443b9a35582999983999999280dc62cc8255c73471e0a61da0c89acdc0e035e260add7fc0c04ad9ebf3919644c91cb247affc82b69bd2ca235c71eab8e49737c937a2c396",
    77  		wantPacket: &Findnode{
    78  			Target:     hexPubkey("ca634cae0d49acb401d8a4c6b6fe8c55b70d115bf400769cc1400f3258cd31387574077f301b421bc84df7266c44e9e6d569fc56be00812904767bf5ccd1fc7f"),
    79  			Expiration: 1136239445,
    80  			Rest:       []rlp.RawValue{{0x82, 0x99, 0x99}, {0x83, 0x99, 0x99, 0x99}},
    81  		},
    82  	},
    83  	{
    84  		input: "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",
    85  		wantPacket: &Neighbors{
    86  			Nodes: []Node{
    87  				{
    88  					ID:  hexPubkey("3155e1427f85f10a5c9a7755877748041af1bcd8d474ec065eb33df57a97babf54bfd2103575fa829115d224c523596b401065a97f74010610fce76382c0bf32"),
    89  					IP:  net.ParseIP("99.33.22.55").To4(),
    90  					UDP: 4444,
    91  					TCP: 4445,
    92  				},
    93  				{
    94  					ID:  hexPubkey("312c55512422cf9b8a4097e9a6ad79402e87a15ae909a4bfefa22398f03d20951933beea1e4dfa6f968212385e829f04c2d314fc2d4e255e0d3bc08792b069db"),
    95  					IP:  net.ParseIP("1.2.3.4").To4(),
    96  					UDP: 1,
    97  					TCP: 1,
    98  				},
    99  				{
   100  					ID:  hexPubkey("38643200b172dcfef857492156971f0e6aa2c538d8b74010f8e140811d53b98c765dd2d96126051913f44582e8c199ad7c6d6819e9a56483f637feaac9448aac"),
   101  					IP:  net.ParseIP("2001:db8:3c4d:15::abcd:ef12"),
   102  					UDP: 3333,
   103  					TCP: 3333,
   104  				},
   105  				{
   106  					ID:  hexPubkey("8dcab8618c3253b558d459da53bd8fa68935a719aff8b811197101a4b2b47dd2d47295286fc00cc081bb542d760717d1bdd6bec2c37cd72eca367d6dd3b9df73"),
   107  					IP:  net.ParseIP("2001:db8:85a3:8d3:1319:8a2e:370:7348"),
   108  					UDP: 999,
   109  					TCP: 1000,
   110  				},
   111  			},
   112  			Expiration: 1136239445,
   113  			Rest:       []rlp.RawValue{{0x01}, {0x02}, {0x03}},
   114  		},
   115  	},
   116  }
   117  
   118  // This test checks that the decoder accepts packets according to EIP-8.
   119  func TestForwardCompatibility(t *testing.T) {
   120  	testkey, _ := crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
   121  	wantNodeKey := EncodePubkey(&testkey.PublicKey)
   122  
   123  	for _, test := range testPackets {
   124  		input, err := hex.DecodeString(test.input)
   125  		if err != nil {
   126  			t.Fatalf("invalid hex: %s", test.input)
   127  		}
   128  		packet, nodekey, _, err := Decode(input)
   129  		if err != nil {
   130  			t.Errorf("did not accept packet %s\n%v", test.input, err)
   131  			continue
   132  		}
   133  		if !reflect.DeepEqual(packet, test.wantPacket) {
   134  			t.Errorf("got %s\nwant %s", spew.Sdump(packet), spew.Sdump(test.wantPacket))
   135  		}
   136  		if nodekey != wantNodeKey {
   137  			t.Errorf("got id %v\nwant id %v", nodekey, wantNodeKey)
   138  		}
   139  	}
   140  }
   141  
   142  func hexPubkey(h string) (ret Pubkey) {
   143  	b, err := hex.DecodeString(h)
   144  	if err != nil {
   145  		panic(err)
   146  	}
   147  	if len(b) != len(ret) {
   148  		panic("invalid length")
   149  	}
   150  	copy(ret[:], b)
   151  	return ret
   152  }