The core protocol of WoopChain
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
woop/client/txgen/main.go

317 lines
10 KiB

package main
import (
"flag"
"fmt"
"os"
"path"
"runtime"
"sync"
"time"
"github.com/ethereum/go-ethereum/rlp"
"github.com/harmony-one/harmony/blockchain"
"github.com/harmony-one/harmony/client"
client_config "github.com/harmony-one/harmony/client/config"
"github.com/harmony-one/harmony/client/txgen/txgen"
"github.com/harmony-one/harmony/consensus"
"github.com/harmony-one/harmony/core/types"
"github.com/harmony-one/harmony/log"
"github.com/harmony-one/harmony/newnode"
"github.com/harmony-one/harmony/node"
"github.com/harmony-one/harmony/p2p"
"github.com/harmony-one/harmony/p2p/p2pimpl"
proto_node "github.com/harmony-one/harmony/proto/node"
"github.com/harmony-one/harmony/utils"
)
var (
version string
builtBy string
builtAt string
commit string
utxoPoolMutex sync.Mutex
)
func printVersion(me string) {
fmt.Fprintf(os.Stderr, "Harmony (C) 2018. %v, version %v-%v (%v %v)\n", path.Base(me), version, commit, builtBy, builtAt)
os.Exit(0)
}
func main() {
ip := flag.String("ip", "127.0.0.1", "IP of the node")
port := flag.String("port", "9999", "port of the node.")
accountModel := flag.Bool("account_model", true, "Whether to use account model")
configFile := flag.String("config_file", "local_config.txt", "file containing all ip addresses and config")
maxNumTxsPerBatch := flag.Int("max_num_txs_per_batch", 20000, "number of transactions to send per message")
logFolder := flag.String("log_folder", "latest", "the folder collecting the logs of this execution")
numSubset := flag.Int("numSubset", 3, "the number of subsets of utxos to process separately")
duration := flag.Int("duration", 10, "duration of the tx generation in second. If it's negative, the experiment runs forever.")
versionFlag := flag.Bool("version", false, "Output version info")
crossShardRatio := flag.Int("cross_shard_ratio", 30, "The percentage of cross shard transactions.")
bcIP := flag.String("bc", "127.0.0.1", "IP of the identity chain")
bcPort := flag.String("bc_port", "8081", "port of the identity chain")
peerDiscovery := flag.Bool("peer_discovery", false, "Enable Peer Discovery")
flag.Parse()
if *versionFlag {
printVersion(os.Args[0])
}
// Add GOMAXPROCS to achieve max performance.
runtime.GOMAXPROCS(1024)
var clientPeer *p2p.Peer
var peers []p2p.Peer
var shardIDLeaderMap map[uint32]p2p.Peer
var config *client_config.Config
if *peerDiscovery {
candidateNode := newnode.New(*ip, *port)
BCPeer := p2p.Peer{IP: *bcIP, Port: *bcPort}
candidateNode.ContactBeaconChain(BCPeer)
peers = nil
clientPeer = &p2p.Peer{IP: *ip, Port: *port}
_, pubKey := utils.GenKey(clientPeer.IP, clientPeer.Port)
clientPeer.PubKey = pubKey
shardIDLeaderMap = candidateNode.Leaders
} else {
// Read the configs
config = client_config.NewConfig()
config.ReadConfigFile(*configFile)
shardIDLeaderMap = config.GetShardIDToLeaderMap()
clientPeer = config.GetClientPeer()
_, pubKey := utils.GenKey(clientPeer.IP, clientPeer.Port)
clientPeer.PubKey = pubKey
}
if clientPeer == nil {
panic("Client Peer is nil!")
}
debugPrintShardIDLeaderMap(shardIDLeaderMap)
// Do cross shard tx if there are more than one shard
setting := txgen.Settings{
NumOfAddress: 10000,
CrossShard: len(shardIDLeaderMap) > 1,
MaxNumTxsPerBatch: *maxNumTxsPerBatch,
CrossShardRatio: *crossShardRatio,
}
// TODO(Richard): refactor this chuck to a single method
// Setup a logger to stdout and log file.
logFileName := fmt.Sprintf("./%v/txgen.log", *logFolder)
h := log.MultiHandler(
log.StdoutHandler,
log.Must.FileHandler(logFileName, log.LogfmtFormat()), // Log to file
)
log.Root().SetHandler(h)
// Nodes containing utxopools to mirror the shards' data in the network
nodes := []*node.Node{}
for shardID := range shardIDLeaderMap {
_, pubKey := utils.GenKey(clientPeer.IP, clientPeer.Port)
clientPeer.PubKey = pubKey
host := p2pimpl.NewHost(*clientPeer)
node := node.New(host, &consensus.Consensus{ShardID: shardID}, nil)
// Assign many fake addresses so we have enough address to play with at first
node.AddTestingAddresses(setting.NumOfAddress)
nodes = append(nodes, node)
}
// Client/txgenerator server node setup
host := p2pimpl.NewHost(*clientPeer)
consensusObj := consensus.New(host, "0", nil, p2p.Peer{})
clientNode := node.New(host, consensusObj, nil)
clientNode.Client = client.NewClient(clientNode.GetHost(), &shardIDLeaderMap)
// This func is used to update the client's utxopool when new blocks are received from the leaders
updateBlocksFunc := func(blocks []*blockchain.Block) {
log.Debug("Received new block from leader", "len", len(blocks))
for _, block := range blocks {
for _, node := range nodes {
shardID := block.ShardID
accountBlock := new(types.Block)
err := rlp.DecodeBytes(block.AccountBlock, accountBlock)
if err == nil {
shardID = accountBlock.ShardID()
}
if node.Consensus.ShardID == shardID {
log.Debug("Adding block from leader", "shardID", shardID)
// Add it to blockchain
node.AddNewBlock(block)
utxoPoolMutex.Lock()
node.UpdateUtxoAndState(block)
utxoPoolMutex.Unlock()
if err != nil {
log.Error("Failed decoding the block with RLP")
} else {
fmt.Println("RECEIVED NEW BLOCK ", len(accountBlock.Transactions()))
node.AddNewBlockAccount(accountBlock)
node.Worker.UpdateCurrent()
if err != nil {
log.Debug("Failed to add new block to worker", "Error", err)
}
}
} else {
continue
}
}
}
}
clientNode.Client.UpdateBlocks = updateBlocksFunc
// Start the client server to listen to leader's message
go clientNode.StartServer()
if *peerDiscovery {
for _, leader := range shardIDLeaderMap {
log.Debug("Client Join Shard", "leader", leader)
go clientNode.JoinShard(leader)
// wait for 3 seconds for client to send ping message to leader
time.Sleep(3 * time.Second)
clientNode.StopPing <- struct{}{}
clientNode.State = node.NodeJoinedShard
}
}
// Transaction generation process
time.Sleep(10 * time.Second) // wait for nodes to be ready
start := time.Now()
totalTime := float64(*duration)
client.InitLookUpIntPriKeyMap()
subsetCounter := 0
if *accountModel {
for {
t := time.Now()
if totalTime > 0 && t.Sub(start).Seconds() >= totalTime {
log.Debug("Generator timer ended.", "duration", (int(t.Sub(start))), "startTime", start, "totalTime", totalTime)
break
}
shardIDTxsMap := make(map[uint32]types.Transactions)
lock := sync.Mutex{}
var wg sync.WaitGroup
wg.Add(len(shardIDLeaderMap))
utxoPoolMutex.Lock()
log.Warn("STARTING TX GEN", "gomaxprocs", runtime.GOMAXPROCS(0))
for shardID := range shardIDLeaderMap { // Generate simulated transactions
go func(shardID uint32) {
txs, _ := txgen.GenerateSimulatedTransactionsAccount(int(shardID), nodes, setting)
// TODO: Put cross shard tx into a pending list waiting for proofs from leaders
lock.Lock()
// Put txs into corresponding shards
shardIDTxsMap[shardID] = append(shardIDTxsMap[shardID], txs...)
lock.Unlock()
wg.Done()
}(shardID)
}
wg.Wait()
utxoPoolMutex.Unlock()
lock.Lock()
for shardID, txs := range shardIDTxsMap { // Send the txs to corresponding shards
go func(shardID uint32, txs types.Transactions) {
SendTxsToLeaderAccount(clientNode, shardIDLeaderMap[shardID], txs)
}(shardID, txs)
}
lock.Unlock()
subsetCounter++
time.Sleep(10000 * time.Millisecond)
}
} else {
for {
t := time.Now()
if totalTime > 0 && t.Sub(start).Seconds() >= totalTime {
log.Debug("Generator timer ended.", "duration", (int(t.Sub(start))), "startTime", start, "totalTime", totalTime)
break
}
shardIDTxsMap := make(map[uint32][]*blockchain.Transaction)
lock := sync.Mutex{}
var wg sync.WaitGroup
wg.Add(len(shardIDLeaderMap))
utxoPoolMutex.Lock()
log.Warn("STARTING TX GEN", "gomaxprocs", runtime.GOMAXPROCS(0))
for shardID := range shardIDLeaderMap { // Generate simulated transactions
go func(shardID uint32) {
txs, crossTxs := txgen.GenerateSimulatedTransactions(subsetCounter, *numSubset, int(shardID), nodes, setting)
// Put cross shard tx into a pending list waiting for proofs from leaders
if clientPeer != nil {
clientNode.Client.PendingCrossTxsMutex.Lock()
for _, tx := range crossTxs {
clientNode.Client.PendingCrossTxs[tx.ID] = tx
}
clientNode.Client.PendingCrossTxsMutex.Unlock()
}
lock.Lock()
// Put txs into corresponding shards
shardIDTxsMap[shardID] = append(shardIDTxsMap[shardID], txs...)
for _, crossTx := range crossTxs {
for curShardID := range client.GetInputShardIDsOfCrossShardTx(crossTx) {
shardIDTxsMap[curShardID] = append(shardIDTxsMap[curShardID], crossTx)
}
}
lock.Unlock()
wg.Done()
}(shardID)
}
wg.Wait()
utxoPoolMutex.Unlock()
lock.Lock()
for shardID, txs := range shardIDTxsMap { // Send the txs to corresponding shards
go func(shardID uint32, txs []*blockchain.Transaction) {
SendTxsToLeader(clientNode, shardIDLeaderMap[shardID], txs)
}(shardID, txs)
}
lock.Unlock()
subsetCounter++
time.Sleep(10000 * time.Millisecond)
}
}
// Send a stop message to stop the nodes at the end
msg := proto_node.ConstructStopMessage()
if *peerDiscovery {
peers = clientNode.Consensus.GetValidatorPeers()
} else {
peers = append(config.GetValidators(), clientNode.Client.GetLeaders()...)
}
clientNode.BroadcastMessage(peers, msg)
time.Sleep(3000 * time.Millisecond)
}
// SendTxsToLeader sends txs to leader.
func SendTxsToLeader(clientNode *node.Node, leader p2p.Peer, txs []*blockchain.Transaction) {
log.Debug("[Generator] Sending txs to...", "leader", leader, "numTxs", len(txs))
msg := proto_node.ConstructTransactionListMessage(txs)
clientNode.SendMessage(leader, msg)
}
// SendTxsToLeaderAccount sends txs to leader account.
func SendTxsToLeaderAccount(clientNode *node.Node, leader p2p.Peer, txs types.Transactions) {
log.Debug("[Generator] Sending account-based txs to...", "leader", leader, "numTxs", len(txs))
msg := proto_node.ConstructTransactionListMessageAccount(txs)
clientNode.SendMessage(leader, msg)
}
func debugPrintShardIDLeaderMap(leaderMap map[uint32]p2p.Peer) {
for k, v := range leaderMap {
log.Debug("Leader", "ShardID", k, "Leader", v)
}
}