The core protocol of WoopChain
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woop/aws-code/transaction_generator.go

69 lines
1.8 KiB

package main
import (
"bufio"
"flag"
"fmt"
"harmony-benchmark/blockchain"
"harmony-benchmark/node"
"harmony-benchmark/p2p"
"math/rand"
"os"
"strings"
"time"
)
func newRandTransaction() blockchain.Transaction {
txin := blockchain.TXInput{[]byte{}, rand.Intn(100), string(rand.Uint64())}
txout := blockchain.TXOutput{rand.Intn(100), string(rand.Uint64())}
tx := blockchain.Transaction{nil, []blockchain.TXInput{txin}, []blockchain.TXOutput{txout}}
tx.SetID()
return tx
}
func getPeers(Ip, Port, iplist string) []p2p.Peer {
file, _ := os.Open(iplist)
fscanner := bufio.NewScanner(file)
var peerList []p2p.Peer
for fscanner.Scan() {
p := strings.Split(fscanner.Text(), " ")
ip, port, status := p[0], p[1], p[2]
if status == "leader" || ip == Ip && port == Port {
continue
}
peer := p2p.Peer{Port: port, Ip: ip}
peerList = append(peerList, peer)
}
return peerList
}
func main() {
ip := flag.String("ip", "127.0.0.1", "IP of the leader")
port := flag.String("port", "9000", "port of the leader.")
ipfile := flag.String("ipfile", "local_iplist.txt", "file containing all ip addresses")
//getLeader to get ip,port and get totaltime I want to run
start := time.Now()
totalTime := 60.0
txs := make([]blockchain.Transaction, 10)
for true {
t := time.Now()
if t.Sub(start).Seconds() >= totalTime {
fmt.Println(int(t.Sub(start)), start, totalTime)
break
}
for i := range txs {
txs[i] = newRandTransaction()
}
msg := node.ConstructTransactionListMessage(txs)
p2p.SendMessage(p2p.Peer{*ip, *port, "n/a"}, msg)
time.Sleep(1 * time.Second) // 10 transactions per second
}
msg := node.ConstructStopMessage()
var leaderPeer p2p.Peer
leaderPeer.Ip = *ip
leaderPeer.Port = *port
peers := append(getPeers(*ip, *port, *ipfile), leaderPeer)
p2p.BroadcastMessage(peers, msg)
}