func GetNetworkHashRate() string {
hours := common.CFG.HashrateHours
common.Last.Mutex.Lock()
end := common.Last.Block
common.Last.Mutex.Unlock()
now := time.Now().Unix()
cnt := 0
var diff float64
for ; end != nil; cnt++ {
if now-int64(end.Timestamp()) > int64(hours)*3600 {
break
}
diff += btc.GetDifficulty(end.Bits())
end = end.Parent
}
if cnt == 0 {
return "0"
}
diff /= float64(cnt)
bph := float64(cnt) / float64(hours)
return common.HashrateToString(bph / 6 * diff * 7158278.826667)
}
func p_miners(w http.ResponseWriter, r *http.Request) {
if !ipchecker(r) {
return
}
common.ReloadMiners()
m := make(map[string]omv, 20)
var om omv
cnt := 0
common.Last.Mutex.Lock()
end := common.Last.Block
common.Last.Mutex.Unlock()
var lastts int64
var diff float64
var totbts uint64
current_mid := -1
now := time.Now().Unix()
common.LockCfg()
minerid := common.CFG.Beeps.MinerID
common.UnlockCfg()
next_diff_change := 2016 - end.Height%2016
for ; end != nil; cnt++ {
if now-int64(end.Timestamp()) > int64(common.CFG.MiningStatHours)*3600 {
break
}
lastts = int64(end.Timestamp())
bl, _, e := common.BlockChain.Blocks.BlockGet(end.BlockHash)
if e != nil {
return
}
diff += btc.GetDifficulty(end.Bits())
miner, mid := common.BlocksMiner(bl)
if mid == -1 {
miner = "<i>" + miner + "</i>"
}
om = m[miner]
om.cnt++
om.bts += uint64(len(bl))
om.mid = mid
m[miner] = om
if mid != -1 && current_mid == -1 && minerid == string(common.MinerIds[mid].Tag) {
current_mid = mid
}
totbts += uint64(len(bl))
end = end.Parent
}
if cnt == 0 {
write_html_head(w, r)
w.Write([]byte(fmt.Sprint("No blocks in last ", common.CFG.MiningStatHours, " hours")))
write_html_tail(w)
return
}
srt := make(onemiernstat, len(m))
i := 0
for k, v := range m {
srt[i].name = k
srt[i].omv = v
i++
}
sort.Sort(srt)
mnrs := load_template("miners.html")
onerow := load_template("miners_row.html")
diff /= float64(cnt)
bph := float64(cnt) / float64(common.CFG.MiningStatHours)
hrate := bph / 6 * diff * 7158278.826667
mnrs = strings.Replace(mnrs, "{MINING_HOURS}", fmt.Sprint(common.CFG.MiningStatHours), 1)
mnrs = strings.Replace(mnrs, "{BLOCKS_COUNT}", fmt.Sprint(cnt), 1)
mnrs = strings.Replace(mnrs, "{FIRST_BLOCK_TIME}", time.Unix(lastts, 0).Format("2006-01-02 15:04:05"), 1)
mnrs = strings.Replace(mnrs, "{AVG_BLOCKS_PER_HOUR}", fmt.Sprintf("%.2f", bph), 1)
mnrs = strings.Replace(mnrs, "{AVG_DIFFICULTY}", common.NumberToString(diff), 1)
mnrs = strings.Replace(mnrs, "{AVG_HASHDATE}", common.HashrateToString(hrate), 1)
mnrs = strings.Replace(mnrs, "{AVG_BLOCKSIZE}", fmt.Sprintf("%.1fKB", float64(totbts)/float64(cnt)/1000), 1)
mnrs = strings.Replace(mnrs, "{DIFF_CHANGE_IN}", fmt.Sprint(next_diff_change), 1)
mnrs = strings.Replace(mnrs, "{MINER_MON_IDX}", fmt.Sprint(current_mid), 1)
for i := range srt {
s := onerow
s = strings.Replace(s, "{MINER_NAME}", srt[i].name, 1)
s = strings.Replace(s, "{BLOCK_COUNT}", fmt.Sprint(srt[i].cnt), 1)
s = strings.Replace(s, "{TOTAL_PERCENT}", fmt.Sprintf("%.0f", 100*float64(srt[i].cnt)/float64(cnt)), 1)
s = strings.Replace(s, "{MINER_HASHRATE}", common.HashrateToString(hrate*float64(srt[i].cnt)/float64(cnt)), 1)
s = strings.Replace(s, "{AVG_BLOCK_SIZE}", fmt.Sprintf("%.1fKB", float64(srt[i].bts)/float64(srt[i].cnt)/1000), 1)
s = strings.Replace(s, "{MINER_ID}", fmt.Sprint(srt[i].mid), -1)
mnrs = templ_add(mnrs, "<!--MINER_ROW-->", s)
}
write_html_head(w, r)
w.Write([]byte(mnrs))
write_html_tail(w)
}
func do_mining(s string) {
var totbtc, hrs uint64
if s != "" {
hrs, _ = strconv.ParseUint(s, 10, 64)
}
if hrs == 0 {
hrs = uint64(common.CFG.MiningStatHours)
}
fmt.Println("Looking back", hrs, "hours...")
lim := uint32(time.Now().Add(-time.Hour * time.Duration(hrs)).Unix())
common.Last.Mutex.Lock()
bte := common.Last.Block
end := bte
common.Last.Mutex.Unlock()
cnt, diff := 0, float64(0)
tot_blocks, tot_blocks_len := 0, 0
for end.Timestamp() >= lim {
bl, _, e := common.BlockChain.Blocks.BlockGet(end.BlockHash)
if e != nil {
println(cnt, e.Error())
return
}
block, e := btc.NewBlock(bl)
if e != nil {
println("btc.NewBlock failed", e.Error())
return
}
tot_blocks++
tot_blocks_len += len(bl)
diff += btc.GetDifficulty(block.Bits())
if common.MinedByUs(bl) {
block.BuildTxList()
totbtc += block.Txs[0].TxOut[0].Value
cnt++
fmt.Printf("%4d) %6d %s %s %5.2f => %5.2f BTC total, %d txs, %.1f KB\n",
cnt, end.Height, end.BlockHash.String(),
time.Unix(int64(end.Timestamp()), 0).Format("2006-01-02 15:04:05"),
float64(block.Txs[0].TxOut[0].Value)/1e8, float64(totbtc)/1e8,
len(block.Txs), float64(len(bl))/1e3)
}
end = end.Parent
}
if tot_blocks == 0 {
fmt.Println("There are no blocks from the last", hrs, "hour(s)")
return
}
diff /= float64(tot_blocks)
common.LockCfg()
if common.CFG.Beeps.MinerID != "" {
fmt.Printf("%.8f BTC mined by %s, in %d blocks for the last %d hours\n",
float64(totbtc)/1e8, common.CFG.Beeps.MinerID, cnt, hrs)
}
common.UnlockCfg()
if cnt > 0 {
fmt.Printf("Projected weekly income : %.0f BTC, estimated hashrate : %s\n",
7*24*float64(totbtc)/float64(hrs)/1e8,
common.HashrateToString(float64(cnt)/float64(6*hrs)*diff*7158278.826667))
}
bph := float64(tot_blocks) / float64(hrs)
fmt.Printf("Total network hashrate : %s @ average diff %.0f (%.2f bph)\n",
common.HashrateToString(bph/6*diff*7158278.826667), diff, bph)
fmt.Printf("Average block size was %.1f KB, next difficulty change in %d blocks\n",
float64(tot_blocks_len/tot_blocks)/1e3, 2016-bte.Height%2016)
}