1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
// Copyright 2016 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 types
import (
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/rlp"
)
func TestEIP155Signing(t *testing.T) {
key, _ := crypto.GenerateKey()
addr := crypto.PubkeyToAddress(key.PublicKey)
signer := NewEIP155Signer(big.NewInt(18))
tx, err := SignTx(NewTransaction(0, addr, new(big.Int), new(big.Int), new(big.Int), nil), signer, key)
if err != nil {
t.Fatal(err)
}
from, err := Sender(signer, tx)
if err != nil {
t.Fatal(err)
}
if from != addr {
t.Errorf("exected from and address to be equal. Got %x want %x", from, addr)
}
}
func TestEIP155ChainId(t *testing.T) {
key, _ := crypto.GenerateKey()
addr := crypto.PubkeyToAddress(key.PublicKey)
signer := NewEIP155Signer(big.NewInt(18))
tx, err := SignTx(NewTransaction(0, addr, new(big.Int), new(big.Int), new(big.Int), nil), signer, key)
if err != nil {
t.Fatal(err)
}
if !tx.Protected() {
t.Fatal("expected tx to be protected")
}
if tx.ChainId().Cmp(signer.chainId) != 0 {
t.Error("expected chainId to be", signer.chainId, "got", tx.ChainId())
}
tx = NewTransaction(0, addr, new(big.Int), new(big.Int), new(big.Int), nil)
tx, err = SignTx(tx, HomesteadSigner{}, key)
if err != nil {
t.Fatal(err)
}
if tx.Protected() {
t.Error("didn't expect tx to be protected")
}
if tx.ChainId().Sign() != 0 {
t.Error("expected chain id to be 0 got", tx.ChainId())
}
}
func TestEIP155SigningVitalik(t *testing.T) {
// Test vectors come from http://vitalik.ca/files/eip155_testvec.txt
for i, test := range []struct {
txRlp, addr string
}{
{"f864808504a817c800825208943535353535353535353535353535353535353535808025a0044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116da0044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d", "0xf0f6f18bca1b28cd68e4357452947e021241e9ce"},
{"f864018504a817c80182a410943535353535353535353535353535353535353535018025a0489efdaa54c0f20c7adf612882df0950f5a951637e0307cdcb4c672f298b8bcaa0489efdaa54c0f20c7adf612882df0950f5a951637e0307cdcb4c672f298b8bc6", "0x23ef145a395ea3fa3deb533b8a9e1b4c6c25d112"},
{"f864028504a817c80282f618943535353535353535353535353535353535353535088025a02d7c5bef027816a800da1736444fb58a807ef4c9603b7848673f7e3a68eb14a5a02d7c5bef027816a800da1736444fb58a807ef4c9603b7848673f7e3a68eb14a5", "0x2e485e0c23b4c3c542628a5f672eeab0ad4888be"},
{"f865038504a817c803830148209435353535353535353535353535353535353535351b8025a02a80e1ef1d7842f27f2e6be0972bb708b9a135c38860dbe73c27c3486c34f4e0a02a80e1ef1d7842f27f2e6be0972bb708b9a135c38860dbe73c27c3486c34f4de", "0x82a88539669a3fd524d669e858935de5e5410cf0"},
{"f865048504a817c80483019a28943535353535353535353535353535353535353535408025a013600b294191fc92924bb3ce4b969c1e7e2bab8f4c93c3fc6d0a51733df3c063a013600b294191fc92924bb3ce4b969c1e7e2bab8f4c93c3fc6d0a51733df3c060", "0xf9358f2538fd5ccfeb848b64a96b743fcc930554"},
{"f865058504a817c8058301ec309435353535353535353535353535353535353535357d8025a04eebf77a833b30520287ddd9478ff51abbdffa30aa90a8d655dba0e8a79ce0c1a04eebf77a833b30520287ddd9478ff51abbdffa30aa90a8d655dba0e8a79ce0c1", "0xa8f7aba377317440bc5b26198a363ad22af1f3a4"},
{"f866068504a817c80683023e3894353535353535353535353535353535353535353581d88025a06455bf8ea6e7463a1046a0b52804526e119b4bf5136279614e0b1e8e296a4e2fa06455bf8ea6e7463a1046a0b52804526e119b4bf5136279614e0b1e8e296a4e2d", "0xf1f571dc362a0e5b2696b8e775f8491d3e50de35"},
{"f867078504a817c807830290409435353535353535353535353535353535353535358201578025a052f1a9b320cab38e5da8a8f97989383aab0a49165fc91c737310e4f7e9821021a052f1a9b320cab38e5da8a8f97989383aab0a49165fc91c737310e4f7e9821021", "0xd37922162ab7cea97c97a87551ed02c9a38b7332"},
{"f867088504a817c8088302e2489435353535353535353535353535353535353535358202008025a064b1702d9298fee62dfeccc57d322a463ad55ca201256d01f62b45b2e1c21c12a064b1702d9298fee62dfeccc57d322a463ad55ca201256d01f62b45b2e1c21c10", "0x9bddad43f934d313c2b79ca28a432dd2b7281029"},
{"f867098504a817c809830334509435353535353535353535353535353535353535358202d98025a052f8f61201b2b11a78d6e866abc9c3db2ae8631fa656bfe5cb53668255367afba052f8f61201b2b11a78d6e866abc9c3db2ae8631fa656bfe5cb53668255367afb", "0x3c24d7329e92f84f08556ceb6df1cdb0104ca49f"},
} {
signer := NewEIP155Signer(big.NewInt(1))
var tx *Transaction
err := rlp.DecodeBytes(common.Hex2Bytes(test.txRlp), &tx)
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
from, err := Sender(signer, tx)
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
addr := common.HexToAddress(test.addr)
if from != addr {
t.Errorf("%d: expected %x got %x", i, addr, from)
}
}
}
func TestChainId(t *testing.T) {
key, _ := defaultTestKey()
tx := NewTransaction(0, common.Address{}, new(big.Int), new(big.Int), new(big.Int), nil)
var err error
tx, err = SignTx(tx, NewEIP155Signer(big.NewInt(1)), key)
if err != nil {
t.Fatal(err)
}
_, err = Sender(NewEIP155Signer(big.NewInt(2)), tx)
if err != ErrInvalidChainId {
t.Error("expected error:", ErrInvalidChainId)
}
_, err = Sender(NewEIP155Signer(big.NewInt(1)), tx)
if err != nil {
t.Error("expected no error")
}
}
|
