// Get tx with given id from the balance folder, of from cache
func tx_from_balance(txid *btc.Uint256, error_is_fatal bool) (tx *btc.Tx) {
if tx = loadedTxs[txid.Hash]; tx != nil {
return // we have it in cache already
}
fn := "balance/" + txid.String() + ".tx"
buf, er := ioutil.ReadFile(fn)
if er == nil && buf != nil {
var th [32]byte
btc.ShaHash(buf, th[:])
if txid.Hash == th {
tx, _ = btc.NewTx(buf)
if error_is_fatal && tx == nil {
println("Transaction is corrupt:", txid.String())
cleanExit(1)
}
} else if error_is_fatal {
println("Transaction file is corrupt:", txid.String())
cleanExit(1)
}
} else if error_is_fatal {
println("Error reading transaction file:", fn)
if er != nil {
println(er.Error())
}
cleanExit(1)
}
loadedTxs[txid.Hash] = tx // store it in the cache
return
}
// Handle incoming "tx" msg
func (c *OneConnection) ParseTxNet(pl []byte) {
if uint32(len(pl)) > atomic.LoadUint32(&common.CFG.TXPool.MaxTxSize) {
common.CountSafe("TxRejectedBig")
return
}
tx, le := btc.NewTx(pl)
if tx == nil {
c.DoS("TxRejectedBroken")
return
}
if le != len(pl) {
c.DoS("TxRejectedLenMismatch")
return
}
if len(tx.TxIn) < 1 {
c.Misbehave("TxRejectedNoInputs", 100)
return
}
tx.SetHash(pl)
NeedThisTx(tx.Hash, func() {
// This body is called with a locked TxMutex
tx.Raw = pl
select {
case NetTxs <- &TxRcvd{conn: c, tx: tx, raw: pl}:
TransactionsPending[tx.Hash.BIdx()] = true
default:
common.CountSafe("TxRejectedFullQ")
//println("NetTxsFULL")
}
})
}
func execute_test_tx(t *testing.T, tv *testvector) bool {
if len(tv.inps) == 0 {
t.Error("Vector has no inputs")
return false
}
rd, er := hex.DecodeString(tv.tx)
if er != nil {
t.Error(er.Error())
return false
}
tx, _ := btc.NewTx(rd)
if tx == nil {
t.Error("Canot decode tx")
return false
}
tx.Size = uint32(len(rd))
ha := btc.Sha2Sum(rd)
tx.Hash = btc.NewUint256(ha[:])
if skip_broken_tests(tx) {
return false
}
if !tx.IsCoinBase() {
for i := range tx.TxIn {
if tx.TxIn[i].Input.IsNull() {
return false
}
}
}
oks := 0
for i := range tx.TxIn {
var j int
for j = range tv.inps {
if bytes.Equal(tx.TxIn[i].Input.Hash[:], tv.inps[j].txid.Hash[:]) &&
tx.TxIn[i].Input.Vout == uint32(tv.inps[j].vout) {
break
}
}
if j >= len(tv.inps) {
t.Error("Matching input not found")
continue
}
pk, er := btc.DecodeScript(tv.inps[j].pkscr)
if er != nil {
t.Error(er.Error())
continue
}
var ss []byte
if tv.inps[j].vout >= 0 {
ss = tx.TxIn[i].ScriptSig
}
if VerifyTxScript(ss, pk, i, tx, tv.ver_flags) {
oks++
}
}
return oks == len(tx.TxIn)
}
// Handle incoming "tx" msg
func (c *OneConnection) ParseTxNet(pl []byte) {
tid := btc.NewSha2Hash(pl)
NeedThisTx(tid, func() {
// This body is called with a locked TxMutex
if uint32(len(pl)) > atomic.LoadUint32(&common.CFG.TXPool.MaxTxSize) {
common.CountSafe("TxTooBig")
RejectTx(tid, len(pl), TX_REJECTED_TOO_BIG)
return
}
tx, le := btc.NewTx(pl)
if tx == nil {
RejectTx(tid, len(pl), TX_REJECTED_FORMAT)
c.DoS("TxBroken")
return
}
if le != len(pl) {
RejectTx(tid, len(pl), TX_REJECTED_LEN_MISMATCH)
c.DoS("TxLenMismatch")
return
}
if len(tx.TxIn) < 1 {
RejectTx(tid, len(pl), TX_REJECTED_EMPTY_INPUT)
c.DoS("TxNoInputs")
return
}
tx.Hash = tid
select {
case NetTxs <- &TxRcvd{conn: c, tx: tx, raw: pl}:
TransactionsPending[tid.BIdx()] = true
default:
common.CountSafe("NetTxsFULL")
}
})
}
func init() {
rd, _ := hex.DecodeString("0100000001b14bdcbc3e01bdaad36cc08e81e69c82e1060bc14e518db2b49aa43ad90ba26000000000490047304402203f16c6f40162ab686621ef3000b04e75418a0c0cb2d8aebeac894ae360ac1e780220ddc15ecdfc3507ac48e1681a33eb60996631bf6bf5bc0a0682c4db743ce7ca2b01ffffffff0140420f00000000001976a914660d4ef3a743e3e696ad990364e555c271ad504b88ac00000000")
dummy_tx, _ := btc.NewTx(rd)
dummy_tx.Size = uint32(len(rd))
ha := btc.Sha2Sum(rd)
dummy_tx.Hash = btc.NewUint256(ha[:])
}
func output_utxo_tx_xml(w http.ResponseWriter, minedid, minedat string) {
txid := btc.NewUint256FromString(minedid)
if txid == nil {
return
}
block_number, er := strconv.ParseUint(minedat, 10, 32)
if er != nil {
return
}
lck := new(usif.OneLock)
lck.In.Add(1)
lck.Out.Add(1)
usif.LocksChan <- lck
lck.In.Wait()
w.Write([]byte("<tx>"))
fmt.Fprint(w, "<id>", minedid, "</id>")
if dat, er := common.BlockChain.GetRawTx(uint32(block_number), txid); er == nil {
w.Write([]byte("<status>OK</status>"))
w.Write([]byte(fmt.Sprint("<size>", len(dat), "</size>")))
tx, _ := btc.NewTx(dat)
output_tx_xml(w, tx)
} else {
w.Write([]byte("<status>Not found</status>"))
}
w.Write([]byte("</tx>"))
lck.Out.Done()
}
func GetAverageFee() float64 {
Last.Mutex.Lock()
end := Last.Block
Last.Mutex.Unlock()
LockCfg()
blocks := CFG.AverageFeeBlocks
UnlockCfg()
if blocks <= 0 {
blocks = 1 // at leats one block
}
AverageFeeMutex.Lock()
defer AverageFeeMutex.Unlock()
if end.Height == averageFeeLastBlock && averageFeeLastCount == blocks {
return AverageFee_SPB // we've already calculated for this block
}
averageFeeLastBlock = end.Height
averageFeeLastCount = blocks
AverageFeeBytes = 0
AverageFeeTotal = 0
for blocks > 0 {
bl, _, e := BlockChain.Blocks.BlockGet(end.BlockHash)
if e != nil {
return 0
}
block, e := btc.NewBlock(bl)
if e != nil {
return 0
}
cbasetx, cbasetxlen := btc.NewTx(bl[block.TxOffset:])
for o := range cbasetx.TxOut {
AverageFeeTotal += cbasetx.TxOut[o].Value
}
AverageFeeTotal -= btc.GetBlockReward(end.Height)
AverageFeeBytes += uint64(len(bl) - block.TxOffset - cbasetxlen) /*do not count block header and conibase tx */
blocks--
end = end.Parent
}
if AverageFeeBytes == 0 {
if AverageFeeTotal != 0 {
panic("Impossible that miner gest a fee with no transactions in the block")
}
AverageFee_SPB = 0
} else {
AverageFee_SPB = float64(AverageFeeTotal) / float64(AverageFeeBytes)
}
return AverageFee_SPB
}
func BlocksMiner(bl []byte) (string, int) {
for i, m := range MinerIds {
if MinedBy(bl, m.Tag) {
return m.Name, i
}
}
bt, _ := btc.NewBlock(bl)
cbtx, _ := btc.NewTx(bl[bt.TxOffset:])
adr := btc.NewAddrFromPkScript(cbtx.TxOut[0].Pk_script, Testnet)
if adr != nil {
return adr.String(), -1
}
return "", -1
}
func raw_tx_from_file(fn string) *btc.Tx {
dat := sys.GetRawData(fn)
if dat == nil {
fmt.Println("Cannot fetch raw transaction data")
return nil
}
tx, txle := btc.NewTx(dat)
if tx != nil {
tx.SetHash(dat)
if txle != len(dat) {
fmt.Println("WARNING: Raw transaction length mismatch", txle, len(dat))
}
}
return tx
}
func main() {
load_dll()
pkscript, _ := hex.DecodeString("76a9147d22f6c9cca35cb4071971fe442da58546aaeb5988ac")
d, _ := hex.DecodeString("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")
tx, _ := btc.NewTx(d)
i := 0
flags := uint32(script.STANDARD_VERIFY_FLAGS)
println(flags)
res := script.VerifyTxScript(pkscript, i, tx, flags)
println("Gocoin:", res)
if use_consensus_lib {
res = consensus_verify_script(pkscript, i, tx, flags)
println("Consen:", res)
}
}
func raw_tx_from_file(fn string) *btc.Tx {
d, er := ioutil.ReadFile(fn)
if er != nil {
fmt.Println(er.Error())
return nil
}
dat, er := hex.DecodeString(string(d))
if er != nil {
fmt.Println("hex.DecodeString failed - assume binary transaction file")
dat = d
}
tx, txle := btc.NewTx(dat)
if tx != nil && txle != len(dat) {
fmt.Println("WARNING: Raw transaction length mismatch", txle, len(dat))
}
return tx
}
func LoadRawTx(buf []byte) (s string) {
txd, er := hex.DecodeString(string(buf))
if er != nil {
txd = buf
}
// At this place we should have raw transaction in txd
tx, le := btc.NewTx(txd)
if tx == nil || le != len(txd) {
s += fmt.Sprintln("Could not decode transaction file or it has some extra data")
return
}
tx.SetHash(txd)
network.TxMutex.Lock()
defer network.TxMutex.Unlock()
if _, ok := network.TransactionsToSend[tx.Hash.BIdx()]; ok {
s += fmt.Sprintln("TxID", tx.Hash.String(), "was already in the pool")
return
}
var missinginp bool
var totinp, totout uint64
var sigops uint
s, missinginp, totinp, totout, sigops, er = DecodeTxSops(tx)
if er != nil {
return
}
if missinginp {
network.TransactionsToSend[tx.Hash.BIdx()] = &network.OneTxToSend{Tx: tx, Data: txd, Own: 2, Firstseen: time.Now(),
Volume: totout, SigopsCost: sigops}
} else {
network.TransactionsToSend[tx.Hash.BIdx()] = &network.OneTxToSend{Tx: tx, Data: txd, Own: 1, Firstseen: time.Now(),
Volume: totinp, Fee: totinp - totout, SigopsCost: sigops}
}
network.TransactionsToSendSize += uint64(len(txd))
s += fmt.Sprintln("Transaction added to the memory pool. Please double check its details above.")
s += fmt.Sprintln("If it does what you intended, you can send it the network.\nUse TxID:", tx.Hash.String())
return
}
func TestSighash(t *testing.T) {
var arr [][]interface{}
dat, er := ioutil.ReadFile("../test/sighash.json")
if er != nil {
println(er.Error())
return
}
r := bytes.NewBuffer(dat)
d := json.NewDecoder(r)
d.UseNumber()
er = d.Decode(&arr)
if er != nil {
println(er.Error())
return
}
for i := range arr {
if len(arr[i]) == 5 {
tmp, _ := hex.DecodeString(arr[i][0].(string))
tx, _ := btc.NewTx(tmp)
if tx == nil {
t.Error("Cannot decode tx from text number", i)
continue
}
tmp, _ = hex.DecodeString(arr[i][1].(string)) // script
iidx, _ := arr[i][2].(json.Number).Int64()
htype, _ := arr[i][3].(json.Number).Int64()
got := tx.SignatureHash(tmp, int(iidx), int32(htype))
exp := btc.NewUint256FromString(arr[i][4].(string))
if !bytes.Equal(exp.Hash[:], got) {
t.Error("SignatureHash mismatch at index", i)
}
}
}
}
func json_blocks(w http.ResponseWriter, r *http.Request) {
if !ipchecker(r) {
return
}
type one_block struct {
Height uint32
Timestamp uint32
Hash string
TxCnt int
Size int
Version uint32
Reward uint64
Miner string
Received uint32
TimeDl, TimeVer int
WasteCnt uint
}
var blks []*one_block
common.Last.Mutex.Lock()
end := common.Last.Block
common.Last.Mutex.Unlock()
for cnt := uint32(0); end != nil && cnt < atomic.LoadUint32(&common.CFG.WebUI.ShowBlocks); cnt++ {
bl, _, e := common.BlockChain.Blocks.BlockGet(end.BlockHash)
if e != nil {
return
}
block, e := btc.NewBlock(bl)
if e != nil {
return
}
b := new(one_block)
b.Height = end.Height
b.Timestamp = block.BlockTime()
b.Hash = end.BlockHash.String()
b.TxCnt = block.TxCount
b.Size = len(bl)
b.Version = block.Version()
cbasetx, _ := btc.NewTx(bl[block.TxOffset:])
for o := range cbasetx.TxOut {
b.Reward += cbasetx.TxOut[o].Value
}
b.Miner, _ = common.TxMiner(cbasetx)
network.MutexRcv.Lock()
rb := network.ReceivedBlocks[end.BlockHash.BIdx()]
network.MutexRcv.Unlock()
b.Received = uint32(rb.Time.Unix())
if rb.TmDownload != 0 {
b.TimeDl = int(rb.TmDownload / time.Millisecond)
} else {
b.TimeDl = -1
}
if rb.TmAccept != 0 {
b.TimeVer = int(rb.TmAccept / time.Millisecond)
} else {
b.TimeVer = -1
}
b.WasteCnt = rb.Cnt
blks = append(blks, b)
end = end.Parent
}
bx, er := json.Marshal(blks)
if er == nil {
w.Header()["Content-Type"] = []string{"application/json"}
w.Write(bx)
} else {
println(er.Error())
}
}
func p_blocks(w http.ResponseWriter, r *http.Request) {
if !ipchecker(r) {
return
}
blks := load_template("blocks.html")
onerow := load_template("blocks_row.html")
common.Last.Mutex.Lock()
end := common.Last.Block
common.Last.Mutex.Unlock()
for cnt := uint32(0); end != nil && cnt < atomic.LoadUint32(&common.CFG.WebUI.ShowBlocks); cnt++ {
bl, _, e := common.BlockChain.Blocks.BlockGet(end.BlockHash)
if e != nil {
return
}
block, e := btc.NewBlock(bl)
if e != nil {
return
}
cbasetx, _ := btc.NewTx(bl[block.TxOffset:])
s := onerow
s = strings.Replace(s, "{BLOCK_NUMBER}", fmt.Sprint(end.Height), 1)
s = strings.Replace(s, "{BLOCK_TIMESTAMP}",
time.Unix(int64(block.BlockTime()), 0).Format("Mon 15:04:05"), 1)
s = strings.Replace(s, "{BLOCK_HASH}", end.BlockHash.String(), 1)
s = strings.Replace(s, "{BLOCK_TXS}", fmt.Sprint(block.TxCount), 1)
s = strings.Replace(s, "{BLOCK_SIZE}", fmt.Sprintf("%.1f", float64(len(bl))/1000), 1)
var rew uint64
for o := range cbasetx.TxOut {
rew += cbasetx.TxOut[o].Value
}
s = strings.Replace(s, "<!--BLOCK_VERSION-->", fmt.Sprint(block.Version()), 1)
s = strings.Replace(s, "{BLOCK_REWARD}", fmt.Sprintf("%.2f", float64(rew)/1e8), 1)
mi, _ := common.TxMiner(cbasetx)
if len(mi) > 10 {
mi = mi[:10]
}
s = strings.Replace(s, "{BLOCK_MINER}", mi, 1)
network.MutexRcv.Lock()
rb := network.ReceivedBlocks[end.BlockHash.BIdx()]
network.MutexRcv.Unlock()
if rb.TmDownload != 0 {
s = strings.Replace(s, "{TIME_TO_DOWNLOAD}", fmt.Sprint(int(rb.TmDownload/time.Millisecond)), 1)
} else {
s = strings.Replace(s, "{TIME_TO_DOWNLOAD}", "", 1)
}
if rb.TmAccept != 0 {
s = strings.Replace(s, "{TIME_TO_ACCEPT}", fmt.Sprint(int(rb.TmAccept/time.Millisecond)), 1)
} else {
s = strings.Replace(s, "{TIME_TO_ACCEPT}", "", 1)
}
if rb.Cnt != 0 {
s = strings.Replace(s, "{WASTED_BLOCKS}", fmt.Sprint(rb.Cnt), 1)
} else {
s = strings.Replace(s, "{WASTED_BLOCKS}", "", 1)
}
s = strings.Replace(s, "{TIME_RECEIVED}", rb.Time.Format("15:04:05"), 1)
blks = templ_add(blks, "<!--BLOCK_ROW-->", s)
end = end.Parent
}
write_html_head(w, r)
w.Write([]byte(blks))
write_html_tail(w)
}
// load the content of the "balance/" folder
func load_balance(showbalance bool) {
var unknownInputs, multisigInputs int
f, e := os.Open("balance/unspent.txt")
if e != nil {
println(e.Error())
return
}
rd := bufio.NewReader(f)
for {
l, _, e := rd.ReadLine()
if len(l) == 0 && e != nil {
break
}
if l[64] == '-' {
txid := btc.NewUint256FromString(string(l[:64]))
rst := strings.SplitN(string(l[65:]), " ", 2)
vout, _ := strconv.ParseUint(rst[0], 10, 32)
uns := new(btc.TxPrevOut)
copy(uns.Hash[:], txid.Hash[:])
uns.Vout = uint32(vout)
lab := ""
if len(rst) > 1 {
lab = rst[1]
}
str := string(l)
if sti := strings.Index(str, "_StealthC:"); sti != -1 {
c, e := hex.DecodeString(str[sti+10 : sti+10+64])
if e != nil {
fmt.Println("ERROR at stealth", txid.String(), vout, e.Error())
} else {
// add a new key to the wallet
sec := btc.DeriveNextPrivate(first_seed[:], c)
is_stealth[len(priv_keys)] = true
priv_keys = append(priv_keys, sec)
labels = append(labels, lab)
pub_key := btc.PublicFromPrivate(sec, true)
publ_addrs = append(publ_addrs, btc.NewAddrFromPubkey(pub_key, AddrVerPubkey()))
compressed_key = append(compressed_key, true) // stealth keys are always compressed
}
}
if _, ok := loadedTxs[txid.Hash]; !ok {
tf, _ := os.Open("balance/" + txid.String() + ".tx")
if tf != nil {
siz, _ := tf.Seek(0, os.SEEK_END)
tf.Seek(0, os.SEEK_SET)
buf := make([]byte, siz)
tf.Read(buf)
tf.Close()
th := btc.Sha2Sum(buf)
if bytes.Equal(th[:], txid.Hash[:]) {
tx, _ := btc.NewTx(buf)
if tx != nil {
loadedTxs[txid.Hash] = tx
} else {
println("transaction is corrupt:", txid.String())
}
} else {
println("transaction file is corrupt:", txid.String())
os.Exit(1)
}
} else {
println("transaction file not found:", txid.String())
os.Exit(1)
}
}
// Sum up all the balance and check if we have private key for this input
uo := UO(uns)
add_it := true
if !btc.IsP2SH(uo.Pk_script) {
fnd := false
for j := range publ_addrs {
if publ_addrs[j].Owns(uo.Pk_script) {
fnd = true
break
}
}
if !fnd {
if *onlvalid {
add_it = false
}
if showbalance {
unknownInputs++
if *verbose {
ss := uns.String()
ss = ss[:8] + "..." + ss[len(ss)-12:]
fmt.Println(ss, "does not belong to your wallet (cannot sign it)")
}
}
}
} else {
if *onlvalid {
add_it = false
}
if *verbose {
ss := uns.String()
ss = ss[:8] + "..." + ss[len(ss)-12:]
fmt.Println(ss, "belongs to a multisig address")
}
multisigInputs++
}
if add_it {
unspentOuts = append(unspentOuts, uns)
unspentOutsLabel = append(unspentOutsLabel, lab)
totBtc += UO(uns).Value
}
}
}
f.Close()
fmt.Printf("You have %.8f BTC in %d unspent outputs. %d inputs are multisig type\n",
float64(totBtc)/1e8, len(unspentOuts), multisigInputs)
if showbalance {
if unknownInputs > 0 {
fmt.Printf("WARNING: Some inputs (%d) cannot be spent with this password (-v to print them)\n", unknownInputs)
}
}
}
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
bip100_voting := make(map[string]uint)
bip100x := regexp.MustCompile("/BV{0,1}[0-9]+[M]{0,1}/")
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
}
bt, _ := btc.NewBlock(bl)
cbasetx, cbtxlen := btc.NewTx(bl[bt.TxOffset:])
tot_blocks++
tot_blocks_len += len(bl)
diff += btc.GetDifficulty(block.Bits())
common.LockCfg()
if common.CFG.Beeps.MinerID != "" &&
bytes.Contains(bl[bt.TxOffset:bt.TxOffset+cbtxlen], []byte(common.CFG.Beeps.MinerID)) {
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)
}
common.UnlockCfg()
res := bip100x.Find(cbasetx.TxIn[0].ScriptSig)
if res != nil {
bip100_voting[string(res)]++
nimer, _ := common.TxMiner(cbasetx)
fmt.Println(" block", end.Height, "by", nimer, "voting", string(res), " total:", bip100_voting[string(res)])
}
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)
}
func json_blocks(w http.ResponseWriter, r *http.Request) {
if !ipchecker(r) {
return
}
type one_block struct {
Height uint32
Timestamp uint32
Hash string
TxCnt int
Size int
Version uint32
Reward uint64
Miner string
FeeSPB float64
Received uint32
TimePre, TimeDl, TimeVer, TimeQue int
WasteCnt uint
MissedCnt int
FromConID uint32
Sigops int
MinFeeKSPB uint64
NonWitnessSize int
}
var blks []*one_block
common.Last.Mutex.Lock()
end := common.Last.Block
common.Last.Mutex.Unlock()
for cnt := uint32(0); end != nil && cnt < atomic.LoadUint32(&common.CFG.WebUI.ShowBlocks); cnt++ {
bl, _, e := common.BlockChain.Blocks.BlockGet(end.BlockHash)
if e != nil {
return
}
block, e := btc.NewBlock(bl)
if e != nil {
return
}
b := new(one_block)
b.Height = end.Height
b.Timestamp = block.BlockTime()
b.Hash = end.BlockHash.String()
b.TxCnt = block.TxCount
b.Size = len(bl)
b.Version = block.Version()
cbasetx, cbaselen := btc.NewTx(bl[block.TxOffset:])
for o := range cbasetx.TxOut {
b.Reward += cbasetx.TxOut[o].Value
}
b.Miner, _ = common.TxMiner(cbasetx)
if len(bl)-block.TxOffset-cbaselen != 0 {
b.FeeSPB = float64(b.Reward-btc.GetBlockReward(end.Height)) / float64(len(bl)-block.TxOffset-cbaselen)
}
common.BlockChain.BlockIndexAccess.Lock()
node := common.BlockChain.BlockIndex[end.BlockHash.BIdx()]
common.BlockChain.BlockIndexAccess.Unlock()
network.MutexRcv.Lock()
rb := network.ReceivedBlocks[end.BlockHash.BIdx()]
network.MutexRcv.Unlock()
b.Received = uint32(rb.TmStart.Unix())
b.Sigops = int(node.SigopsCost)
if rb.TmPreproc.IsZero() {
b.TimePre = -1
} else {
b.TimePre = int(rb.TmPreproc.Sub(rb.TmStart) / time.Millisecond)
}
if rb.TmDownload.IsZero() {
b.TimeDl = -1
} else {
b.TimeDl = int(rb.TmDownload.Sub(rb.TmStart) / time.Millisecond)
}
if rb.TmQueue.IsZero() {
b.TimeQue = -1
} else {
b.TimeQue = int(rb.TmQueue.Sub(rb.TmStart) / time.Millisecond)
}
if rb.TmAccepted.IsZero() {
b.TimeVer = -1
} else {
b.TimeVer = int(rb.TmAccepted.Sub(rb.TmStart) / time.Millisecond)
}
b.WasteCnt = rb.Cnt
b.MissedCnt = rb.TxMissing
b.FromConID = rb.FromConID
b.MinFeeKSPB = rb.MinFeeKSPB
b.NonWitnessSize = rb.NonWitnessSize
blks = append(blks, b)
end = end.Parent
}
bx, er := json.Marshal(blks)
if er == nil {
w.Header()["Content-Type"] = []string{"application/json"}
w.Write(bx)
} else {
println(er.Error())
}
}
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
var totfees uint64
current_mid := -1
now := time.Now().Unix()
common.LockCfg()
minerid := common.CFG.Beeps.MinerID
common.UnlockCfg()
next_diff_change := 2016 - end.Height%2016
block_versions := make(map[uint32]uint)
// bip100
bip100_voting := make(map[string]uint)
//var bip100, bip100v uint64
bip100x := regexp.MustCompile("/BV{0,1}[0-9]+[M]{0,1}/")
//bip100rx := regexp.MustCompile("/B[0-9]+[M]{0,1}/")
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
}
block, e := btc.NewBlock(bl)
cbasetx, _ := btc.NewTx(bl[block.TxOffset:])
block_versions[binary.LittleEndian.Uint32(bl[0:4])]++
diff += btc.GetDifficulty(end.Bits())
miner, mid := common.TxMiner(cbasetx)
if mid == -1 {
miner = "<i>" + miner + "</i>"
}
om = m[miner]
om.cnt++
om.bts += uint64(len(bl))
om.mid = mid
// Blocks reward
var rew uint64
for o := range cbasetx.TxOut {
rew += cbasetx.TxOut[o].Value
}
om.fees += rew - btc.GetBlockReward(end.Height)
// bip-100
res := bip100x.Find(cbasetx.TxIn[0].ScriptSig)
if res != nil {
bip100_voting[string(res)]++
}
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)
s = strings.Replace(s, "<!--TOTAL_FEES-->", btc.UintToBtc(srt[i].fees), -1)
s = strings.Replace(s, "<!--FEE_PER_BYTE-->", fmt.Sprint(srt[i].fees/srt[i].bts), -1)
mnrs = templ_add(mnrs, "<!--MINER_ROW-->", s)
totfees += srt[i].fees
}
mnrs = strings.Replace(mnrs, "<!--TOTAL_MINING_FEES-->", btc.UintToBtc(totfees), 1)
mnrs = strings.Replace(mnrs, "<!--AVERAGE_FEE_PER_BYTE-->", fmt.Sprint(totfees/totbts), 1)
var bv string
for k, v := range block_versions {
if bv != "" {
bv += ", "
}
bv += fmt.Sprintf("%d (%d%%) x <b>v%d</b>", v, 100*int(v)/cnt, k)
}
mnrs = strings.Replace(mnrs, "<!--BLOCK_VERSIONS-->", bv, 1)
// bip100
bv = ""
for k, v := range bip100_voting {
if bv != "" {
bv += " + "
}
bv += fmt.Sprintf("%sx%d", k, v)
}
mnrs = strings.Replace(mnrs, "<!--BLOCKSIZE_VOTES-->", bv, 1)
write_html_head(w, r)
w.Write([]byte(mnrs))
write_html_tail(w)
}