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-rw-r--r--miner/stress_clique.go217
1 files changed, 217 insertions, 0 deletions
diff --git a/miner/stress_clique.go b/miner/stress_clique.go
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+// 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"
+ "fmt"
+ "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/node"
+ "github.com/ethereum/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/p2p/discover"
+ "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 []string
+ )
+ for _, sealer := range sealers {
+ // Start the node and wait until it's up
+ node, err := makeSealer(genesis, enodes)
+ 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 _, enode := range enodes {
+ enode, err := discover.ParseNode(enode)
+ if err != nil {
+ panic(err)
+ }
+ node.Server().AddPeer(enode)
+ }
+ // Start tracking the node and it's enode url
+ nodes = append(nodes, node)
+
+ enode := fmt.Sprintf("enode://%s@127.0.0.1:%d", node.Server().NodeInfo().ID, node.Server().NodeInfo().Ports.Listener)
+ enodes = append(enodes, enode)
+
+ // 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, nodes []string) (*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,
+ MinerGasPrice: big.NewInt(1),
+ MinerRecommit: time.Second,
+ })
+ }); err != nil {
+ return nil, err
+ }
+ // Start the node and return if successful
+ return stack, stack.Start()
+}