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254 lines
8.2 KiB
254 lines
8.2 KiB
package main
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import (
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"flag"
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"fmt"
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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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bls2 "github.com/harmony-one/bls/ffi/go/bls"
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"github.com/harmony-one/harmony/core"
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"github.com/harmony-one/harmony/internal/utils/contract"
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"github.com/harmony-one/harmony/crypto/bls"
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"github.com/ethereum/go-ethereum/log"
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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/consensus"
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"github.com/harmony-one/harmony/core/types"
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nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
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"github.com/harmony-one/harmony/internal/txgen"
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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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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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func main() {
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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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maxNumTxsPerBatch := flag.Int("max_num_txs_per_batch", 20000, "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", 10, "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.")
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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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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.SetPortAndIP(*port, *ip)
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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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var shardIDs []uint32
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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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selfPeer := p2p.Peer{IP: *ip, Port: *port, ConsensusPubKey: peerPubKey}
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// Init with LibP2P enabled, FIXME: (leochen) right now we support only one shard
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for i := 0; i < core.GenesisShardNum; i++ {
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shardIDs = append(shardIDs, uint32(i))
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}
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// Do cross shard tx if there are more than one shard
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setting := txgen.Settings{
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NumOfAddress: 10000,
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CrossShard: false, // len(shardIDs) > 1,
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MaxNumTxsPerBatch: *maxNumTxsPerBatch,
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CrossShardRatio: *crossShardRatio,
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}
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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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gsif, err := consensus.NewGenesisStakeInfoFinder()
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if err != nil {
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_, _ = fmt.Fprintf(os.Stderr, "Cannot initialize stake info: %v\n", err)
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os.Exit(1)
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}
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// Nodes containing blockchain data to mirror the shards' data in the network
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nodes := []*node.Node{}
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host, 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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for _, shardID := range shardIDs {
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c := &consensus.Consensus{ShardID: shardID}
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node := node.New(host, c, nil, false)
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c.SetStakeInfoFinder(gsif)
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c.ChainReader = node.Blockchain()
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// Replace public keys with genesis accounts for the shard
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c.PublicKeys = nil
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startIdx := core.GenesisShardSize * shardID
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endIdx := startIdx + core.GenesisShardSize
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for _, acct := range contract.GenesisBLSAccounts[startIdx:endIdx] {
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secretKey := bls2.SecretKey{}
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if err := secretKey.SetHexString(acct.Private); 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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c.PublicKeys = append(c.PublicKeys, secretKey.GetPublicKey())
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}
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// Assign many fake addresses so we have enough address to play with at first
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nodes = append(nodes, node)
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}
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// Client/txgenerator server node setup
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consensusObj, err := consensus.New(host, 0, p2p.Peer{}, nil)
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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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clientNode := node.New(host, consensusObj, nil, false)
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clientNode.Client = client.NewClient(clientNode.GetHost(), shardIDs)
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consensusObj.SetStakeInfoFinder(gsif)
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consensusObj.ChainReader = clientNode.Blockchain()
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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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for _, node := range nodes {
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shardID := block.ShardID()
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if node.Consensus.ShardID == shardID {
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// Add it to blockchain
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utils.GetLogInstance().Info("Current Block", "block num", node.Blockchain().CurrentBlock().NumberU64())
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utils.GetLogInstance().Info("Adding block from leader", "txNum", len(block.Transactions()), "shardID", shardID, "preHash", block.ParentHash().Hex())
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node.AddNewBlock(block)
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stateMutex.Lock()
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node.Worker.UpdateCurrent()
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stateMutex.Unlock()
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readySignal <- shardID
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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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}
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clientNode.Client.UpdateBlocks = updateBlocksFunc
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clientNode.NodeConfig.SetRole(nodeconfig.ClientNode)
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clientNode.NodeConfig.SetIsClient(true)
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clientNode.ServiceManagerSetup()
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clientNode.RunServices()
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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(3 * time.Second) // wait for nodes to be ready
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for _, i := range shardIDs {
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readySignal <- i
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}
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}()
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// Transaction generation process
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start := time.Now()
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totalTime := float64(*duration)
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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.", "duration", (int(t.Sub(start))), "startTime", start, "totalTime", totalTime)
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break
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}
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select {
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case shardID := <-readySignal:
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shardIDTxsMap := make(map[uint32]types.Transactions)
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lock := sync.Mutex{}
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stateMutex.Lock()
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utils.GetLogInstance().Warn("STARTING TX GEN", "gomaxprocs", runtime.GOMAXPROCS(0))
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txs, _ := txgen.GenerateSimulatedTransactionsAccount(int(shardID), nodes, setting)
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lock.Lock()
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// Put txs into corresponding shards
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shardIDTxsMap[shardID] = append(shardIDTxsMap[shardID], txs...)
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lock.Unlock()
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stateMutex.Unlock()
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lock.Lock()
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for shardID, txs := range shardIDTxsMap { // Send the txs to corresponding shards
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go func(shardID uint32, txs types.Transactions) {
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SendTxsToShard(clientNode, txs)
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}(shardID, txs)
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}
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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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// Send a stop message to stop the nodes at the end
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msg := proto_node.ConstructStopMessage()
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clientNode.GetHost().SendMessageToGroups([]p2p.GroupID{p2p.GroupIDBeaconClient}, p2p_host.ConstructP2pMessage(byte(0), msg))
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clientNode.GetHost().SendMessageToGroups([]p2p.GroupID{p2p.GroupIDBeacon}, p2p_host.ConstructP2pMessage(byte(0), msg))
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time.Sleep(3 * time.Second)
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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) {
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msg := proto_node.ConstructTransactionListMessageAccount(txs)
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clientNode.GetHost().SendMessageToGroups([]p2p.GroupID{p2p.GroupIDBeaconClient}, p2p_host.ConstructP2pMessage(byte(0), msg))
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}
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