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299 lines
11 KiB
299 lines
11 KiB
package main
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import (
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"flag"
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"fmt"
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"math/big"
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"math/rand"
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"os"
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"path"
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"runtime"
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"sync"
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"time"
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"github.com/harmony-one/harmony/consensus"
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"github.com/harmony-one/harmony/core"
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"github.com/harmony-one/harmony/internal/ctxerror"
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"github.com/harmony-one/harmony/internal/shardchain"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/params"
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bls2 "github.com/harmony-one/bls/ffi/go/bls"
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"github.com/harmony-one/harmony/api/client"
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proto_node "github.com/harmony-one/harmony/api/proto/node"
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"github.com/harmony-one/harmony/common/denominations"
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"github.com/harmony-one/harmony/core/types"
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"github.com/harmony-one/harmony/crypto/bls"
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nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
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"github.com/harmony-one/harmony/internal/genesis"
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"github.com/harmony-one/harmony/internal/utils"
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"github.com/harmony-one/harmony/node"
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"github.com/harmony-one/harmony/p2p"
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p2p_host "github.com/harmony-one/harmony/p2p/host"
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"github.com/harmony-one/harmony/p2p/p2pimpl"
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)
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var (
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version string
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builtBy string
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builtAt string
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commit string
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stateMutex sync.Mutex
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)
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const (
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checkFrequency = 2 //checkfrequency checks whether the transaction generator is ready to send the next batch of transactions.
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)
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// Settings is the settings for TX generation. No Cross-Shard Support!
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type Settings struct {
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NumOfAddress int
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MaxNumTxsPerBatch int
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}
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func printVersion(me string) {
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fmt.Fprintf(os.Stderr, "Harmony (C) 2018. %v, version %v-%v (%v %v)\n", path.Base(me), version, commit, builtBy, builtAt)
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os.Exit(0)
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}
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// The main entrance for the transaction generator program which simulate transactions and send to the network for
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// processing.
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var (
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ip = flag.String("ip", "127.0.0.1", "IP of the node")
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port = flag.String("port", "9999", "port of the node.")
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numTxns = flag.Int("numTxns", 100, "number of transactions to send per message")
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logFolder = flag.String("log_folder", "latest", "the folder collecting the logs of this execution")
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duration = flag.Int("duration", 30, "duration of the tx generation in second. If it's negative, the experiment runs forever.")
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versionFlag = flag.Bool("version", false, "Output version info")
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crossShardRatio = flag.Int("cross_shard_ratio", 30, "The percentage of cross shard transactions.") //Keeping this for backward compatibility
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shardIDFlag = flag.Int("shardID", 0, "The shardID the node belongs to.")
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// Key file to store the private key
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keyFile = flag.String("key", "./.txgenkey", "the private key file of the txgen")
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// logging verbosity
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verbosity = flag.Int("verbosity", 5, "Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=detail (default: 5)")
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)
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func setUpTXGen() *node.Node {
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nodePriKey, _, err := utils.LoadKeyFromFile(*keyFile)
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if err != nil {
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panic(err)
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}
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peerPubKey := bls.RandPrivateKey().GetPublicKey()
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if peerPubKey == nil {
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panic(fmt.Errorf("generate key error"))
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}
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shardID := *shardIDFlag
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selfPeer := p2p.Peer{IP: *ip, Port: *port, ConsensusPubKey: peerPubKey}
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gsif, err := consensus.NewGenesisStakeInfoFinder()
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// Nodes containing blockchain data to mirror the shards' data in the network
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myhost, err := p2pimpl.NewHost(&selfPeer, nodePriKey)
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if err != nil {
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panic("unable to new host in txgen")
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}
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error :%v \n", err)
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os.Exit(1)
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}
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consensusObj, err := consensus.New(myhost, uint32(shardID), p2p.Peer{}, nil)
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chainDBFactory := &shardchain.MemDBFactory{}
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txGen := node.New(myhost, consensusObj, chainDBFactory, false) //Changed it : no longer archival node.
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txGen.Client = client.NewClient(txGen.GetHost(), uint32(shardID))
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consensusObj.SetStakeInfoFinder(gsif)
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consensusObj.ChainReader = txGen.Blockchain()
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consensusObj.PublicKeys = nil
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startIdx := 0
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endIdx := startIdx + core.GenesisShardSize
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for _, acct := range genesis.GenesisAccounts[startIdx:endIdx] {
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secretKey := bls2.SecretKey{}
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if err := secretKey.DeserializeHexStr(acct.DummyKey); err != nil {
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_, _ = fmt.Fprintf(os.Stderr, "cannot parse secret key: %v\n",
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err)
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os.Exit(1)
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}
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consensusObj.PublicKeys = append(consensusObj.PublicKeys, secretKey.GetPublicKey())
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}
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txGen.NodeConfig.SetRole(nodeconfig.ClientNode)
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if shardID == 0 {
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txGen.NodeConfig.SetIsBeacon(true)
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txGen.NodeConfig.SetShardGroupID(p2p.GroupIDBeacon)
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} else {
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txGen.NodeConfig.SetShardGroupID(p2p.NewGroupIDByShardID(p2p.ShardID(shardID)))
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}
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txGen.NodeConfig.SetIsClient(true)
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return txGen
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}
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func main() {
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flag.Var(&utils.BootNodes, "bootnodes", "a list of bootnode multiaddress")
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flag.Parse()
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if *versionFlag {
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printVersion(os.Args[0])
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}
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// Add GOMAXPROCS to achieve max performance.
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runtime.GOMAXPROCS(1024)
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// Logging setup
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utils.SetLogContext(*port, *ip)
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utils.SetLogVerbosity(log.Lvl(*verbosity))
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if len(utils.BootNodes) == 0 {
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bootNodeAddrs, err := utils.StringsToAddrs(utils.DefaultBootNodeAddrStrings)
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if err != nil {
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panic(err)
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}
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utils.BootNodes = bootNodeAddrs
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}
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// Init with LibP2P enabled, FIXME: (leochen) right now we support only one shard
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setting := Settings{
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NumOfAddress: 10000,
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MaxNumTxsPerBatch: *numTxns,
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}
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shardID := *shardIDFlag
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utils.GetLogInstance().Debug("Cross Shard Ratio Is Set But not used", "cx ratio", *crossShardRatio)
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// TODO(Richard): refactor this chuck to a single method
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// Setup a logger to stdout and log file.
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logFileName := fmt.Sprintf("./%v/txgen.log", *logFolder)
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h := log.MultiHandler(
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log.StreamHandler(os.Stdout, log.TerminalFormat(false)),
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log.Must.FileHandler(logFileName, log.LogfmtFormat()), // Log to file
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)
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log.Root().SetHandler(h)
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txGen := setUpTXGen()
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txGen.ServiceManagerSetup()
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txGen.RunServices()
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start := time.Now()
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totalTime := float64(*duration)
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utils.GetLogInstance().Debug("Total Duration", "totalTime", totalTime, "RunForever", isDurationForever(totalTime))
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ticker := time.NewTicker(checkFrequency * time.Second)
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txGen.DoSyncWithoutConsensus()
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syncLoop:
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for {
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t := time.Now()
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if totalTime > 0 && t.Sub(start).Seconds() >= totalTime {
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utils.GetLogInstance().Debug("Generator timer ended in syncLoop.", "duration", (int(t.Sub(start))), "startTime", start, "totalTime", totalTime)
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break syncLoop
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}
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select {
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case <-ticker.C:
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if txGen.State.String() == "NodeReadyForConsensus" {
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utils.GetLogInstance().Debug("Generator is now in Sync.", "txgen node", txGen.SelfPeer, "Node State", txGen.State.String())
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ticker.Stop()
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break syncLoop
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}
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}
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}
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readySignal := make(chan uint32)
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// This func is used to update the client's blockchain when new blocks are received from the leaders
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updateBlocksFunc := func(blocks []*types.Block) {
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utils.GetLogInstance().Info("[Txgen] Received new block", "block num", blocks[0].NumberU64())
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for _, block := range blocks {
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shardID := block.ShardID()
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if txGen.Consensus.ShardID == shardID {
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utils.GetLogInstance().Info("Got block from leader", "txNum", len(block.Transactions()), "shardID", shardID, "preHash", block.ParentHash().Hex(), "currentBlock", txGen.Blockchain().CurrentBlock().NumberU64(), "incoming block", block.NumberU64())
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if block.NumberU64()-txGen.Blockchain().CurrentBlock().NumberU64() == 1 {
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txGen.AddNewBlock(block)
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stateMutex.Lock()
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if err := txGen.Worker.UpdateCurrent(); err != nil {
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ctxerror.Warn(utils.GetLogger(), err,
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"(*Worker).UpdateCurrent failed")
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}
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stateMutex.Unlock()
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readySignal <- shardID
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}
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} else {
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continue
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}
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}
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}
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txGen.Client.UpdateBlocks = updateBlocksFunc
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// Start the client server to listen to leader's message
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go func() {
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// wait for 3 seconds for client to send ping message to leader
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// FIXME (leo) the readySignal should be set once we really sent ping message to leader
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time.Sleep(1 * time.Second) // wait for nodes to be ready
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readySignal <- uint32(shardID)
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}()
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pushLoop:
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for {
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t := time.Now()
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utils.GetLogInstance().Debug("Current running time", "running time", t.Sub(start).Seconds(), "totaltime", totalTime)
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if !isDurationForever(totalTime) && t.Sub(start).Seconds() >= totalTime {
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utils.GetLogInstance().Debug("Generator timer ended.", "duration", (int(t.Sub(start))), "startTime", start, "totalTime", totalTime)
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break pushLoop
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}
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if shardID != 0 {
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if otherHeight, flag := txGen.IsSameHeight(); flag {
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if otherHeight >= 1 {
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go func() {
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readySignal <- uint32(shardID)
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utils.GetLogInstance().Debug("Same blockchain height so readySignal generated")
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time.Sleep(3 * time.Second) // wait for nodes to be ready
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}()
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}
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}
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}
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select {
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case shardID := <-readySignal:
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lock := sync.Mutex{}
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utils.GetLogInstance().Warn("STARTING TX GEN PUSH LOOP", "gomaxprocs", runtime.GOMAXPROCS(0))
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txs, err := GenerateSimulatedTransactionsAccount(uint32(shardID), txGen, setting)
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if err != nil {
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utils.GetLogInstance().Debug("Error in Generating Txns", "Err", err)
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}
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lock.Lock()
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SendTxsToShard(txGen, txs, uint32(shardID))
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lock.Unlock()
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case <-time.After(10 * time.Second):
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utils.GetLogInstance().Warn("No new block is received so far")
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}
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}
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}
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// SendTxsToShard sends txs to shard, currently just to beacon shard
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func SendTxsToShard(clientNode *node.Node, txs types.Transactions, shardID uint32) {
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msg := proto_node.ConstructTransactionListMessageAccount(txs)
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var err error
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if shardID == 0 {
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err = clientNode.GetHost().SendMessageToGroups([]p2p.GroupID{p2p.GroupIDBeaconClient}, p2p_host.ConstructP2pMessage(byte(0), msg))
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} else {
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clientGroup := p2p.NewClientGroupIDByShardID(p2p.ShardID(shardID))
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err = clientNode.GetHost().SendMessageToGroups([]p2p.GroupID{clientGroup}, p2p_host.ConstructP2pMessage(byte(0), msg))
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}
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if err != nil {
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utils.GetLogInstance().Debug("Error in Sending Txns", "Err", err)
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}
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}
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// GenerateSimulatedTransactionsAccount generates simulated transaction for account model.
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func GenerateSimulatedTransactionsAccount(shardID uint32, node *node.Node, setting Settings) (types.Transactions, error) {
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TxnsToGenerate := setting.MaxNumTxsPerBatch // TODO: make use of settings
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txs := make([]*types.Transaction, TxnsToGenerate)
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rounds := (TxnsToGenerate / 100)
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remainder := TxnsToGenerate % 100
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for i := 0; i < 100; i++ {
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baseNonce := node.Worker.GetCurrentState().GetNonce(crypto.PubkeyToAddress(node.TestBankKeys[i].PublicKey))
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for j := 0; j < rounds; j++ {
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randomUserAddress := crypto.PubkeyToAddress(node.TestBankKeys[rand.Intn(100)].PublicKey)
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randAmount := rand.Float32()
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tx, _ := types.SignTx(types.NewTransaction(baseNonce+uint64(j), randomUserAddress, shardID, big.NewInt(int64(denominations.One*randAmount)), params.TxGas, nil, nil), types.HomesteadSigner{}, node.TestBankKeys[i])
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txs[100*j+i] = tx
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}
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if i < remainder {
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randomUserAddress := crypto.PubkeyToAddress(node.TestBankKeys[rand.Intn(100)].PublicKey)
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randAmount := rand.Float32()
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tx, _ := types.SignTx(types.NewTransaction(baseNonce+uint64(rounds), randomUserAddress, shardID, big.NewInt(int64(denominations.One*randAmount)), params.TxGas, nil, nil), types.HomesteadSigner{}, node.TestBankKeys[i])
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txs[100*rounds+i] = tx
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}
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}
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return txs, nil
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}
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func isDurationForever(duration float64) bool {
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return duration <= 0
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}
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