216 lines
6.5 KiB
Go
216 lines
6.5 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/>.
|
|
|
|
// +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/ethereum/go-ethereum/accounts/keystore"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/common/fdlimit"
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/eth"
|
|
"github.com/ethereum/go-ethereum/eth/downloader"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/miner"
|
|
"github.com/ethereum/go-ethereum/node"
|
|
"github.com/ethereum/go-ethereum/p2p"
|
|
"github.com/ethereum/go-ethereum/p2p/enode"
|
|
"github.com/ethereum/go-ethereum/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.Close()
|
|
|
|
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(ðereum); 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(ðereum); 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, ð.Config{
|
|
Genesis: genesis,
|
|
NetworkId: genesis.Config.ChainID.Uint64(),
|
|
SyncMode: downloader.FullSync,
|
|
DatabaseCache: 256,
|
|
DatabaseHandles: 256,
|
|
TxPool: core.DefaultTxPoolConfig,
|
|
GPO: eth.DefaultConfig.GPO,
|
|
Miner: miner.Config{
|
|
GasFloor: genesis.GasLimit * 9 / 10,
|
|
GasCeil: genesis.GasLimit * 11 / 10,
|
|
GasPrice: big.NewInt(1),
|
|
Recommit: time.Second,
|
|
},
|
|
})
|
|
}); err != nil {
|
|
return nil, err
|
|
}
|
|
// Start the node and return if successful
|
|
return stack, stack.Start()
|
|
}
|