func get_blocks() {
var bl *btc.Block
DlStartTime = time.Now()
BlocksMutex.Lock()
BlocksComplete = TheBlockChain.BlockTreeEnd.Height
CurrentBlockHeight := BlocksComplete + 1
BlocksMutex.Unlock()
TheBlockChain.DoNotSync = true
tickSec := time.Tick(time.Second)
tickDrop := time.Tick(DROP_PEER_EVERY_SEC * time.Second)
tickStat := time.Tick(6 * time.Second)
for !GlobalExit() && CurrentBlockHeight <= LastBlockHeight {
select {
case <-tickSec:
cc := open_connection_count()
if cc > MaxNetworkConns {
drop_slowest_peers()
} else if cc < MaxNetworkConns {
add_new_connections()
}
case <-tickStat:
print_stats()
usif_prompt()
case <-tickDrop:
if open_connection_count() >= MaxNetworkConns {
drop_slowest_peers()
}
case bl = <-BlockQueue:
bl.Trusted = CurrentBlockHeight <= TrustUpTo
if OnlyStoreBlocks {
TheBlockChain.Blocks.BlockAdd(CurrentBlockHeight, bl)
} else {
er, _, _ := TheBlockChain.CheckBlock(bl)
if er != nil {
fmt.Println("CheckBlock:", er.Error())
return
} else {
bl.LastKnownHeight = CurrentBlockHeight + uint32(len(BlockQueue))
TheBlockChain.AcceptBlock(bl)
}
}
atomic.StoreUint32(&LastStoredBlock, CurrentBlockHeight)
atomic.AddUint64(&DlBytesProcessed, uint64(len(bl.Raw)))
CurrentBlockHeight++
case <-time.After(100 * time.Millisecond):
COUNTER("IDLE")
TheBlockChain.Unspent.Idle()
}
}
TheBlockChain.Sync()
}