func show_balance(p string) {
if p == "sum" {
fmt.Print(wallet.DumpBalance(wallet.MyBalance, nil, false, true))
return
}
if p != "" {
fmt.Println("Using wallet from file", p, "...")
wallet.LoadWallet(p)
}
if wallet.MyWallet == nil {
println("You have no loaded wallet")
return
}
if len(wallet.MyWallet.Addrs) == 0 {
println("Your loaded wallet has no addresses")
return
}
fmt.Print(wallet.UpdateBalanceFolder())
fmt.Println("Your balance data has been saved to the 'balance/' folder.")
fmt.Println("You nend to move this folder to your wallet PC, to spend the coins.")
}
func LocalAcceptBlock(bl *btc.Block, from *network.OneConnection) (e error) {
sta := time.Now()
e = common.BlockChain.AcceptBlock(bl)
if e == nil {
network.MutexRcv.Lock()
network.ReceivedBlocks[bl.Hash.BIdx()].TmAccept = time.Now().Sub(sta)
network.MutexRcv.Unlock()
for i := 1; i < len(bl.Txs); i++ {
network.TxMined(bl.Txs[i])
/* dupa
if msg:=contains_message(bl.Txs[i]); msg!=nil {
for xx:=range msg {
if msg[xx]<' ' || msg[xx]>127 {
msg[xx] = '.'
}
}
fmt.Println("TX", bl.Txs[i].Hash.String(), "says:", "'" + string(msg) + "'")
textui.ShowPrompt()
}
*/
}
if int64(bl.BlockTime()) > time.Now().Add(-10*time.Minute).Unix() {
// Freshly mined block - do the inv and beeps...
common.Busy("NetRouteInv")
network.NetRouteInv(2, bl.Hash, from)
if common.CFG.Beeps.NewBlock {
fmt.Println("\007Received block", common.BlockChain.BlockTreeEnd.Height)
textui.ShowPrompt()
}
if common.CFG.Beeps.MinerID != "" {
//_, rawtxlen := btc.NewTx(bl[bl.TxOffset:])
if bytes.Contains(bl.Txs[0].Serialize(), []byte(common.CFG.Beeps.MinerID)) {
fmt.Println("\007Mined by '"+common.CFG.Beeps.MinerID+"':", bl.Hash)
textui.ShowPrompt()
}
}
if common.CFG.Beeps.ActiveFork && common.Last.Block == common.BlockChain.BlockTreeEnd {
// Last block has not changed, so it must have been an orphaned block
bln := common.BlockChain.BlockIndex[bl.Hash.BIdx()]
commonNode := common.Last.Block.FirstCommonParent(bln)
forkDepth := bln.Height - commonNode.Height
fmt.Println("Orphaned block:", bln.Height, bl.Hash.String(), bln.BlockSize>>10, "KB")
if forkDepth > 1 {
fmt.Println("\007\007\007WARNING: the fork is", forkDepth, "blocks deep")
}
textui.ShowPrompt()
}
if wallet.BalanceChanged && common.CFG.Beeps.NewBalance {
fmt.Print("\007")
}
}
common.Last.Mutex.Lock()
common.Last.Time = time.Now()
common.Last.Block = common.BlockChain.BlockTreeEnd
common.Last.Mutex.Unlock()
if wallet.BalanceChanged {
wallet.BalanceChanged = false
fmt.Println("Your balance has just changed")
fmt.Print(wallet.DumpBalance(wallet.MyBalance, nil, false, true))
textui.ShowPrompt()
}
} else {
fmt.Println("Warning: AcceptBlock failed. If the block was valid, you may need to rebuild the unspent DB (-r)")
}
return
}
func do_scan_stealth(p string, ignore_prefix bool) {
ad, _ := btc.NewAddrFromString(p)
if ad == nil {
fmt.Println("Specify base58 encoded bitcoin address")
return
}
sa := ad.StealthAddr
if sa == nil {
fmt.Println("Specify base58 encoded stealth address")
return
}
if sa.Version != btc.StealthAddressVersion(common.Testnet) {
fmt.Println("Incorrect version of the stealth address")
return
}
if len(sa.SpendKeys) != 1 {
fmt.Println("Currently only single spend keys are supported. This address has", len(sa.SpendKeys))
return
}
//fmt.Println("scankey", hex.EncodeToString(sa.ScanKey[:]))
if ignore_prefix {
sa.Prefix = []byte{0}
fmt.Println("Ignoring Prefix inside the address")
} else if len(sa.Prefix) == 0 {
fmt.Println("Prefix not present in the address")
} else {
fmt.Println("Prefix", sa.Prefix[0], hex.EncodeToString(sa.Prefix[1:]))
}
wallet.FetchStealthKeys()
d := wallet.FindStealthSecret(sa)
if d == nil {
fmt.Println("No matching secret found in your wallet/stealth folder")
return
}
var unsp chain.AllUnspentTx
var c, spen_exp []byte
var rec, out *chain.QdbTxOut
var h160 [20]byte
common.BlockChain.Unspent.BrowseUTXO(true, func(tx *chain.QdbRec) {
for i := 0; i < len(tx.Outs)-1; i++ {
if rec = tx.Outs[i]; rec == nil {
continue
}
if out = tx.Outs[i+1]; out == nil {
continue
}
if !rec.IsStealthIdx() || !out.IsP2KH() || !ad.StealthAddr.CheckNonce(rec.PKScr[3:40]) {
continue
}
c = btc.StealthDH(rec.PKScr[7:40], d)
spen_exp = btc.DeriveNextPublic(sa.SpendKeys[0][:], c)
btc.RimpHash(spen_exp, h160[:])
if bytes.Equal(out.PKScr[3:23], h160[:]) {
uo := new(chain.OneUnspentTx)
uo.TxPrevOut.Hash = tx.TxID
uo.TxPrevOut.Vout = uint32(i + 1)
uo.Value = out.Value
uo.MinedAt = tx.InBlock
uo.BtcAddr = btc.NewAddrFromHash160(h160[:], btc.AddrVerPubkey(common.CFG.Testnet))
uo.FixDestString()
uo.BtcAddr.StealthAddr = sa
uo.BtcAddr.Extra = ad.Extra
uo.StealthC = c
unsp = append(unsp, uo)
}
}
})
sort.Sort(unsp)
os.RemoveAll("balance")
os.MkdirAll("balance/", 0770)
utxt, _ := os.Create("balance/unspent.txt")
fmt.Print(wallet.DumpBalance(unsp, utxt, true, false))
}
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))
}
}