aboutsummaryrefslogtreecommitdiffstats
path: root/miner/stress_clique.go
blob: 10186d4785e321f5c3a423438498a56862d72682 (plain) (blame)
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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
// 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/>.

// +build none

// This file contains a miner stress test based on the Clique consensus engine.
package main

import (
    "bytes"
    "crypto/ecdsa"
    "io/ioutil"
    "math/big"
    "math/rand"
    "os"
    "time"

    "github.com/dexon-foundation/dexon/accounts/keystore"
    "github.com/dexon-foundation/dexon/common"
    "github.com/dexon-foundation/dexon/common/fdlimit"
    "github.com/dexon-foundation/dexon/core"
    "github.com/dexon-foundation/dexon/core/types"
    "github.com/dexon-foundation/dexon/crypto"
    "github.com/dexon-foundation/dexon/eth"
    "github.com/dexon-foundation/dexon/eth/downloader"
    "github.com/dexon-foundation/dexon/log"
    "github.com/dexon-foundation/dexon/node"
    "github.com/dexon-foundation/dexon/p2p"
    "github.com/dexon-foundation/dexon/p2p/enode"
    "github.com/dexon-foundation/dexon/params"
)

func main() {
    log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
    fdlimit.Raise(2048)

    // Generate a batch of accounts to seal and fund with
    faucets := make([]*ecdsa.PrivateKey, 128)
    for i := 0; i < len(faucets); i++ {
        faucets[i], _ = crypto.GenerateKey()
    }
    sealers := make([]*ecdsa.PrivateKey, 4)
    for i := 0; i < len(sealers); i++ {
        sealers[i], _ = crypto.GenerateKey()
    }
    // Create a Clique network based off of the Rinkeby config
    genesis := makeGenesis(faucets, sealers)

    var (
        nodes  []*node.Node
        enodes []*enode.Node
    )
    for _, sealer := range sealers {
        // Start the node and wait until it's up
        node, err := makeSealer(genesis)
        if err != nil {
            panic(err)
        }
        defer node.Stop()

        for node.Server().NodeInfo().Ports.Listener == 0 {
            time.Sleep(250 * time.Millisecond)
        }
        // Connect the node to al the previous ones
        for _, n := range enodes {
            node.Server().AddPeer(n)
        }
        // Start tracking the node and it's enode
        nodes = append(nodes, node)
        enodes = append(enodes, node.Server().Self())

        // Inject the signer key and start sealing with it
        store := node.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
        signer, err := store.ImportECDSA(sealer, "")
        if err != nil {
            panic(err)
        }
        if err := store.Unlock(signer, ""); err != nil {
            panic(err)
        }
    }
    // Iterate over all the nodes and start signing with them
    time.Sleep(3 * time.Second)

    for _, node := range nodes {
        var ethereum *eth.Ethereum
        if err := node.Service(&ethereum); err != nil {
            panic(err)
        }
        if err := ethereum.StartMining(1); err != nil {
            panic(err)
        }
    }
    time.Sleep(3 * time.Second)

    // Start injecting transactions from the faucet like crazy
    nonces := make([]uint64, len(faucets))
    for {
        index := rand.Intn(len(faucets))

        // Fetch the accessor for the relevant signer
        var ethereum *eth.Ethereum
        if err := nodes[index%len(nodes)].Service(&ethereum); err != nil {
            panic(err)
        }
        // Create a self transaction and inject into the pool
        tx, err := types.SignTx(types.NewTransaction(nonces[index], crypto.PubkeyToAddress(faucets[index].PublicKey), new(big.Int), 21000, big.NewInt(100000000000), nil), types.HomesteadSigner{}, faucets[index])
        if err != nil {
            panic(err)
        }
        if err := ethereum.TxPool().AddLocal(tx); err != nil {
            panic(err)
        }
        nonces[index]++

        // Wait if we're too saturated
        if pend, _ := ethereum.TxPool().Stats(); pend > 2048 {
            time.Sleep(100 * time.Millisecond)
        }
    }
}

// makeGenesis creates a custom Clique genesis block based on some pre-defined
// signer and faucet accounts.
func makeGenesis(faucets []*ecdsa.PrivateKey, sealers []*ecdsa.PrivateKey) *core.Genesis {
    // Create a Clique network based off of the Rinkeby config
    genesis := core.DefaultRinkebyGenesisBlock()
    genesis.GasLimit = 25000000

    genesis.Config.ChainID = big.NewInt(18)
    genesis.Config.Clique.Period = 1
    genesis.Config.EIP150Hash = common.Hash{}

    genesis.Alloc = core.GenesisAlloc{}
    for _, faucet := range faucets {
        genesis.Alloc[crypto.PubkeyToAddress(faucet.PublicKey)] = core.GenesisAccount{
            Balance: new(big.Int).Exp(big.NewInt(2), big.NewInt(128), nil),
        }
    }
    // Sort the signers and embed into the extra-data section
    signers := make([]common.Address, len(sealers))
    for i, sealer := range sealers {
        signers[i] = crypto.PubkeyToAddress(sealer.PublicKey)
    }
    for i := 0; i < len(signers); i++ {
        for j := i + 1; j < len(signers); j++ {
            if bytes.Compare(signers[i][:], signers[j][:]) > 0 {
                signers[i], signers[j] = signers[j], signers[i]
            }
        }
    }
    genesis.ExtraData = make([]byte, 32+len(signers)*common.AddressLength+65)
    for i, signer := range signers {
        copy(genesis.ExtraData[32+i*common.AddressLength:], signer[:])
    }
    // Return the genesis block for initialization
    return genesis
}

func makeSealer(genesis *core.Genesis) (*node.Node, error) {
    // Define the basic configurations for the Ethereum node
    datadir, _ := ioutil.TempDir("", "")

    config := &node.Config{
        Name:    "geth",
        Version: params.Version,
        DataDir: datadir,
        P2P: p2p.Config{
            ListenAddr:  "0.0.0.0:0",
            NoDiscovery: true,
            MaxPeers:    25,
        },
        NoUSB: true,
    }
    // Start the node and configure a full Ethereum node on it
    stack, err := node.New(config)
    if err != nil {
        return nil, err
    }
    if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
        return eth.New(ctx, &eth.Config{
            Genesis:         genesis,
            NetworkId:       genesis.Config.ChainID.Uint64(),
            SyncMode:        downloader.FullSync,
            DatabaseCache:   256,
            DatabaseHandles: 256,
            TxPool:          core.DefaultTxPoolConfig,
            GPO:             eth.DefaultConfig.GPO,
            MinerGasFloor:   genesis.GasLimit * 9 / 10,
            MinerGasCeil:    genesis.GasLimit * 11 / 10,
            MinerGasPrice:   big.NewInt(1),
            MinerRecommit:   time.Second,
        })
    }); err != nil {
        return nil, err
    }
    // Start the node and return if successful
    return stack, stack.Start()
}