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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
// Copyright 2017 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 core
import (
"math/big"
"reflect"
"testing"
"github.com/davecgh/go-spew/spew"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/params"
)
func TestDefaultGenesisBlock(t *testing.T) {
block := DefaultGenesisBlock().ToBlock(nil)
if block.Hash() != params.MainnetGenesisHash {
t.Errorf("wrong mainnet genesis hash, got %v, want %v", block.Hash(), params.MainnetGenesisHash)
}
block = DefaultTestnetGenesisBlock().ToBlock(nil)
if block.Hash() != params.TestnetGenesisHash {
t.Errorf("wrong testnet genesis hash, got %v, want %v", block.Hash(), params.TestnetGenesisHash)
}
}
func TestSetupGenesis(t *testing.T) {
var (
customghash = common.HexToHash("0x89c99d90b79719238d2645c7642f2c9295246e80775b38cfd162b696817fbd50")
customg = Genesis{
Config: ¶ms.ChainConfig{HomesteadBlock: big.NewInt(3)},
Alloc: GenesisAlloc{
{1}: {Balance: big.NewInt(1), Storage: map[common.Hash]common.Hash{{1}: {1}}},
},
}
oldcustomg = customg
)
oldcustomg.Config = ¶ms.ChainConfig{HomesteadBlock: big.NewInt(2)}
tests := []struct {
name string
fn func(ethdb.Database) (*params.ChainConfig, common.Hash, error)
wantConfig *params.ChainConfig
wantHash common.Hash
wantErr error
}{
{
name: "genesis without ChainConfig",
fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
return SetupGenesisBlock(db, new(Genesis))
},
wantErr: errGenesisNoConfig,
wantConfig: params.AllEthashProtocolChanges,
},
{
name: "no block in DB, genesis == nil",
fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
return SetupGenesisBlock(db, nil)
},
wantHash: params.MainnetGenesisHash,
wantConfig: params.MainnetChainConfig,
},
{
name: "mainnet block in DB, genesis == nil",
fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
DefaultGenesisBlock().MustCommit(db)
return SetupGenesisBlock(db, nil)
},
wantHash: params.MainnetGenesisHash,
wantConfig: params.MainnetChainConfig,
},
{
name: "custom block in DB, genesis == nil",
fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
customg.MustCommit(db)
return SetupGenesisBlock(db, nil)
},
wantHash: customghash,
wantConfig: customg.Config,
},
{
name: "custom block in DB, genesis == testnet",
fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
customg.MustCommit(db)
return SetupGenesisBlock(db, DefaultTestnetGenesisBlock())
},
wantErr: &GenesisMismatchError{Stored: customghash, New: params.TestnetGenesisHash},
wantHash: params.TestnetGenesisHash,
wantConfig: params.TestnetChainConfig,
},
{
name: "compatible config in DB",
fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
oldcustomg.MustCommit(db)
return SetupGenesisBlock(db, &customg)
},
wantHash: customghash,
wantConfig: customg.Config,
},
{
name: "incompatible config in DB",
fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
// Commit the 'old' genesis block with Homestead transition at #2.
// Advance to block #4, past the homestead transition block of customg.
genesis := oldcustomg.MustCommit(db)
bc, _ := NewBlockChain(db, nil, oldcustomg.Config, ethash.NewFullFaker(), vm.Config{})
defer bc.Stop()
bc.SetValidator(bproc{})
bc.InsertChain(makeBlockChainWithDiff(genesis, []int{2, 3, 4, 5}, 0))
bc.CurrentBlock()
// This should return a compatibility error.
return SetupGenesisBlock(db, &customg)
},
wantHash: customghash,
wantConfig: customg.Config,
wantErr: ¶ms.ConfigCompatError{
What: "Homestead fork block",
StoredConfig: big.NewInt(2),
NewConfig: big.NewInt(3),
RewindTo: 1,
},
},
}
for _, test := range tests {
db, _ := ethdb.NewMemDatabase()
config, hash, err := test.fn(db)
// Check the return values.
if !reflect.DeepEqual(err, test.wantErr) {
spew := spew.ConfigState{DisablePointerAddresses: true, DisableCapacities: true}
t.Errorf("%s: returned error %#v, want %#v", test.name, spew.NewFormatter(err), spew.NewFormatter(test.wantErr))
}
if !reflect.DeepEqual(config, test.wantConfig) {
t.Errorf("%s:\nreturned %v\nwant %v", test.name, config, test.wantConfig)
}
if hash != test.wantHash {
t.Errorf("%s: returned hash %s, want %s", test.name, hash.Hex(), test.wantHash.Hex())
} else if err == nil {
// Check database content.
stored := GetBlock(db, test.wantHash, 0)
if stored.Hash() != test.wantHash {
t.Errorf("%s: block in DB has hash %s, want %s", test.name, stored.Hash(), test.wantHash)
}
}
}
}
|
