func json_system(w http.ResponseWriter, r *http.Request) {
if !ipchecker(r) {
return
}
var out struct {
Blocks_cached int
Known_peers int
Node_uptime uint64
Net_block_qsize int
Net_tx_qsize int
Heap_size uint64
Heap_sysmem uint64
Qdb_extramem int64
Ecdsa_verify_cnt uint64
}
out.Blocks_cached = len(network.CachedBlocks)
out.Known_peers = peersdb.PeerDB.Count()
out.Node_uptime = uint64(time.Now().Sub(common.StartTime).Seconds())
out.Net_block_qsize = len(network.NetBlocks)
out.Net_tx_qsize = len(network.NetTxs)
out.Heap_size, out.Heap_sysmem = sys.MemUsed()
out.Qdb_extramem = qdb.ExtraMemoryConsumed
out.Ecdsa_verify_cnt = btc.EcdsaVerifyCnt
bx, er := json.Marshal(out)
if er == nil {
w.Header()["Content-Type"] = []string{"application/json"}
w.Write(bx)
} else {
println(er.Error())
}
}
func show_mem(p string) {
al, sy := sys.MemUsed()
fmt.Println("Allocated:", al>>20, "MB")
fmt.Println("SystemMem:", sy>>20, "MB")
fmt.Println("QDB Extra:", qdb.ExtraMemoryConsumed>>20, "MB")
if p == "" {
return
}
if p == "free" {
fmt.Println("Freeing the mem...")
sys.FreeMem()
show_mem("")
return
}
if p == "gc" {
fmt.Println("Running GC...")
runtime.GC()
fmt.Println("Done.")
return
}
i, e := strconv.ParseInt(p, 10, 64)
if e != nil {
println(e.Error())
return
}
debug.SetGCPercent(int(i))
fmt.Println("GC treshold set to", i, "percent")
}
func show_info(par string) {
common.Busy_mutex.Lock()
if common.BusyWith != "" {
fmt.Println("Chain thread busy with:", common.BusyWith)
} else {
fmt.Println("Chain thread is idle")
}
common.Busy_mutex.Unlock()
common.Last.Mutex.Lock()
fmt.Println("Last Block:", common.Last.Block.BlockHash.String())
fmt.Printf("Height: %d @ %s, Diff: %.0f, Got: %s ago\n",
common.Last.Block.Height,
time.Unix(int64(common.Last.Block.Timestamp()), 0).Format("2006/01/02 15:04:05"),
btc.GetDifficulty(common.Last.Block.Bits()), time.Now().Sub(common.Last.Time).String())
common.Last.Mutex.Unlock()
network.Mutex_net.Lock()
fmt.Printf("BlocksCached: %d, NetQueueSize: %d, NetConns: %d, Peers: %d\n",
len(network.CachedBlocks), len(network.NetBlocks), len(network.OpenCons), peersdb.PeerDB.Count())
network.Mutex_net.Unlock()
network.TxMutex.Lock()
fmt.Printf("TransactionsToSend:%d, TransactionsRejected:%d, TransactionsPending:%d/%d\n",
len(network.TransactionsToSend), len(network.TransactionsRejected),
len(network.TransactionsPending), len(network.NetTxs))
fmt.Printf("WaitingForInputs:%d, SpentOutputs:%d, Hashrate:%s\n",
len(network.WaitingForInputs), len(network.SpentOutputs), usif.GetNetworkHashRate())
network.TxMutex.Unlock()
common.PrintStats()
// Memory used
al, sy := sys.MemUsed()
fmt.Println("Heap size:", al>>20, "MB Sys mem used:", sy>>20, "MB",
" QDB Extra mem:", qdb.ExtraMemoryConsumed>>20, "MB in", qdb.ExtraMemoryAllocCnt, "parts")
var gs debug.GCStats
debug.ReadGCStats(&gs)
fmt.Println("Go version:", runtime.Version(), " LastGC:", time.Now().Sub(gs.LastGC).String(),
" NumGC:", gs.NumGC,
" PauseTotal:", gs.PauseTotal.String())
fmt.Println("Gocoin:", lib.Version,
" Threads:", sys.UseThreads,
" Uptime:", time.Now().Sub(common.StartTime).String(),
" ECDSA cnt:", btc.EcdsaVerifyCnt)
}
func show_free_mem() {
al, sy := sys.MemUsed()
fmt.Println("HEAP size", al>>20, "MB, SysMEM used", sy>>20, "MB")
}
func host_init() {
var e error
BtcRootDir := sys.BitcoinHome()
common.GocoinHomeDir = common.CFG.Datadir + string(os.PathSeparator)
common.Testnet = common.CFG.Testnet // So chaging this value would will only affect the behaviour after restart
if common.CFG.Testnet { // testnet3
common.GenesisBlock = btc.NewUint256FromString("000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943")
common.Magic = [4]byte{0x0B, 0x11, 0x09, 0x07}
common.GocoinHomeDir += common.DataSubdir() + string(os.PathSeparator)
BtcRootDir += "testnet3" + string(os.PathSeparator)
network.AlertPubKey, _ = hex.DecodeString("04302390343f91cc401d56d68b123028bf52e5fca1939df127f63c6467cdf9c8e2c14b61104cf817d0b780da337893ecc4aaff1309e536162dabbdb45200ca2b0a")
common.MaxPeersNeeded = 100
} else {
common.GenesisBlock = btc.NewUint256FromString("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f")
common.Magic = [4]byte{0xF9, 0xBE, 0xB4, 0xD9}
common.GocoinHomeDir += common.DataSubdir() + string(os.PathSeparator)
network.AlertPubKey, _ = hex.DecodeString("04fc9702847840aaf195de8442ebecedf5b095cdbb9bc716bda9110971b28a49e0ead8564ff0db22209e0374782c093bb899692d524e9d6a6956e7c5ecbcd68284")
common.MaxPeersNeeded = 1000
}
// Lock the folder
os.MkdirAll(common.GocoinHomeDir, 0770)
sys.LockDatabaseDir(common.GocoinHomeDir)
fi, e := os.Stat(common.GocoinHomeDir + "blockchain.dat")
if e != nil {
os.RemoveAll(common.GocoinHomeDir)
fmt.Println("You seem to be running Gocoin for the fist time on this PC")
fi, e = os.Stat(BtcRootDir + "blocks/blk00000.dat")
if e == nil && fi.Size() > 1024*1024 {
fmt.Println("There is a database from Satoshi client on your disk...")
if textui.AskYesNo("Do you want to import this database into Gocoin?") {
import_blockchain(BtcRootDir + "blocks")
}
}
}
// Create default wallet file if does not exist
println("wallet dir", common.CFG.Walletdir)
os.MkdirAll(common.CFG.Walletdir+string(os.PathSeparator)+"stealth", 0770)
default_wallet_fn := common.CFG.Walletdir + string(os.PathSeparator) + wallet.DefaultFileName
println("default_wallet_fn", default_wallet_fn)
fi, _ = os.Stat(default_wallet_fn)
if fi == nil || fi.IsDir() {
fmt.Println(default_wallet_fn, "not found")
old_wallet_location := common.GocoinHomeDir + "wallet.txt"
// If there is wallet.txt rename it to default.
fi, _ := os.Stat(old_wallet_location)
if fi != nil && !fi.IsDir() {
fmt.Println("Taking wallet.txt as", default_wallet_fn)
os.Rename(old_wallet_location, default_wallet_fn)
} else {
fmt.Println("Creating empty default wallet at", default_wallet_fn)
ioutil.WriteFile(default_wallet_fn, []byte(fmt.Sprintln("# Put your wallet's public addresses here")), 0660)
}
}
// cache the current balance of all the addresses from the current wallet files
wallet.LoadAllWallets()
fmt.Println("Loading UTXO database while checking balance of", len(wallet.MyWallet.Addrs),
"addresses... (press Ctrl-C to interrupt)")
__exit := make(chan bool)
__done := make(chan bool)
go func() {
for {
select {
case s := <-killchan:
fmt.Println(s)
chain.AbortNow = true
case <-__exit:
__done <- true
return
}
}
}()
ext := &chain.NewChanOpts{NotifyTxAdd: wallet.TxNotifyAdd,
NotifyTxDel: wallet.TxNotifyDel, LoadWalk: wallet.NewUTXO}
sta := time.Now().UnixNano()
common.BlockChain = chain.NewChainExt(common.GocoinHomeDir, common.GenesisBlock, common.FLAG.Rescan, ext)
sto := time.Now().UnixNano()
if chain.AbortNow {
fmt.Printf("Blockchain opening aborted after %.3f seconds\n", float64(sto-sta)/1e9)
common.BlockChain.Close()
sys.UnlockDatabaseDir()
os.Exit(1)
}
wallet.ChainInitDone()
al, sy := sys.MemUsed()
fmt.Printf("Blockchain open in %.3f seconds. %d + %d MB of RAM used (%d)\n",
float64(sto-sta)/1e9, al>>20, qdb.ExtraMemoryConsumed>>20, sy>>20)
common.StartTime = time.Now()
__exit <- true
_ = <-__done
// ... and now load the dafault wallet
wallet.LoadWallet(default_wallet_fn)
if wallet.MyWallet != nil {
wallet.UpdateBalance()
fmt.Print(wallet.DumpBalance(wallet.MyBalance, nil, false, true))
}
}