// GetBlock returns the next block available from the transaction pool.
func GetBlock(transactions []blkparser.Tx, lastBlock, lastKeyBlock string) (*blockchain.TrBlock, error) {
if len(transactions) < 1 {
return nil, errors.New("no transaction available")
}
trlist := blockchain.NewTransactionList(transactions, len(transactions))
header := blockchain.NewHeader(trlist, lastBlock, lastKeyBlock)
trblock := blockchain.NewTrBlock(trlist, header)
return trblock, nil
}
// Run runs the simulation
func (e *Simulation) Run(onetConf *onet.SimulationConfig) error {
doneChan := make(chan bool)
doneCB := func() {
doneChan <- true
}
// FIXME use client instead
dir := blockchain.GetBlockDir()
parser, err := blockchain.NewParser(dir, magicNum)
if err != nil {
log.Error("Error: Couldn't parse blocks in", dir)
return err
}
transactions, err := parser.Parse(0, e.Blocksize)
if err != nil {
log.Error("Error while parsing transactions", err)
return err
}
// FIXME c&p from byzcoin.go
trlist := blockchain.NewTransactionList(transactions, len(transactions))
header := blockchain.NewHeader(trlist, "", "")
trblock := blockchain.NewTrBlock(trlist, header)
// Here we first setup the N^2 connections with a broadcast protocol
pi, err := onetConf.Overlay.CreateProtocolOnet("Broadcast", onetConf.Tree)
if err != nil {
log.Error(err)
}
proto := pi.(*manage.Broadcast)
// channel to notify we are done
broadDone := make(chan bool)
proto.RegisterOnDone(func() {
broadDone <- true
})
// ignore error on purpose: Start always returns nil
_ = proto.Start()
// wait
<-broadDone
log.Lvl3("Simulation can start!")
for round := 0; round < e.Rounds; round++ {
log.Lvl1("Starting round", round)
p, err := onetConf.Overlay.CreateProtocolOnet("ByzCoinPBFT", onetConf.Tree)
if err != nil {
return err
}
proto := p.(*Protocol)
proto.trBlock = trblock
proto.onDoneCB = doneCB
r := monitor.NewTimeMeasure("round_pbft")
err = proto.Start()
if err != nil {
log.Error("Couldn't start PrePrepare")
return err
}
// wait for finishing pbft:
<-doneChan
r.Record()
log.Lvl2("Finished round", round)
}
return nil
}