func CfgFromFile() (*btcrpcclient.ConnConfig, bool, error) {
fileconf := &BitcoinConf{}
path := btcutil.AppDataDir("bitcoin", false) + "/bitcoin.conf"
parser := flags.NewParser(fileconf, flags.IgnoreUnknown)
err := flags.NewIniParser(parser).ParseFile(path)
if err != nil {
return nil, false, err
}
if !fileconf.RPCListen {
return nil, false, errors.New("Bitcoind not listening for rpc commands")
}
// TODO make rpcaddr configurable
var rpcaddr string
if fileconf.Testnet {
rpcaddr = "127.0.0.1:18332"
} else {
rpcaddr = "127.0.0.1:8332"
}
// TODO use tls!
connCfg := &btcrpcclient.ConnConfig{
Host: rpcaddr,
User: fileconf.RPCUser,
Pass: fileconf.RPCPassword,
HttpPostMode: true,
DisableTLS: true,
}
return connCfg, fileconf.Testnet, nil
}
func main() {
// Only override the handlers for notifications you care about.
// Also note most of these handlers will only be called if you register
// for notifications. See the documentation of the btcrpcclient
// NotificationHandlers type for more details about each handler.
ntfnHandlers := btcrpcclient.NotificationHandlers{
OnBlockConnected: func(hash *btcwire.ShaHash, height int32) {
log.Printf("Block connected: %v (%d)", hash, height)
},
OnBlockDisconnected: func(hash *btcwire.ShaHash, height int32) {
log.Printf("Block disconnected: %v (%d)", hash, height)
},
}
// Connect to local btcd RPC server using websockets.
btcdHomeDir := btcutil.AppDataDir("btcd", false)
certs, err := ioutil.ReadFile(filepath.Join(btcdHomeDir, "rpc.cert"))
if err != nil {
log.Fatal(err)
}
connCfg := &btcrpcclient.ConnConfig{
Host: "localhost:8334",
Endpoint: "ws",
User: "******",
Pass: "******",
Certificates: certs,
}
client, err := btcrpcclient.New(connCfg, &ntfnHandlers)
if err != nil {
log.Fatal(err)
}
// Register for block connect and disconnect notifications.
if err := client.NotifyBlocks(); err != nil {
log.Fatal(err)
}
log.Println("NotifyBlocks: Registration Complete")
// Get the current block count.
blockCount, err := client.GetBlockCount()
if err != nil {
log.Fatal(err)
}
log.Printf("Block count: %d", blockCount)
// For this example gracefully shutdown the client after 10 seconds.
// Ordinarily when to shutdown the client is highly application
// specific.
log.Println("Client shutdown in 10 seconds...")
time.AfterFunc(time.Second*10, func() {
log.Println("Client shutting down...")
client.Shutdown()
log.Println("Client shutdown complete.")
})
// Wait until the client either shuts down gracefully (or the user
// terminates the process with Ctrl+C).
client.WaitForShutdown()
}
func main() {
// Only override the handlers for notifications you care about.
// Also note most of the handlers will only be called if you register
// for notifications. See the documentation of the btcrpcclient
// NotificationHandlers type for more details about each handler.
ntfnHandlers := btcrpcclient.NotificationHandlers{
OnAccountBalance: func(account string, balance btcutil.Amount, confirmed bool) {
log.Printf("New balance for account %s: %v", account,
balance)
},
}
// Connect to local btcwallet RPC server using websockets.
certHomeDir := btcutil.AppDataDir("btcwallet", false)
certs, err := ioutil.ReadFile(filepath.Join(certHomeDir, "rpc.cert"))
if err != nil {
log.Fatal(err)
}
connCfg := &btcrpcclient.ConnConfig{
Host: "localhost:18332",
Endpoint: "ws",
User: "******",
Pass: "******",
Certificates: certs,
}
client, err := btcrpcclient.New(connCfg, &ntfnHandlers)
if err != nil {
log.Fatal(err)
}
// Get the list of unspent transaction outputs (utxos) that the
// connected wallet has at least one private key for.
unspent, err := client.ListUnspent()
if err != nil {
log.Fatal(err)
}
log.Printf("Num unspent outputs (utxos): %d", len(unspent))
if len(unspent) > 0 {
log.Printf("First utxo:\n%v", spew.Sdump(unspent[0]))
}
// For this example gracefully shutdown the client after 10 seconds.
// Ordinarily when to shutdown the client is highly application
// specific.
log.Println("Client shutdown in 10 seconds...")
time.AfterFunc(time.Second*10, func() {
log.Println("Client shutting down...")
client.Shutdown()
log.Println("Client shutdown complete.")
})
// Wait until the client either shuts down gracefully (or the user
// terminates the process with Ctrl+C).
client.WaitForShutdown()
}
// cleanAndExpandPath expands environement variables and leading ~ in the
// passed path, cleans the result, and returns it.
func cleanAndExpandPath(path string) string {
// Expand initial ~ to OS specific home directory.
if strings.HasPrefix(path, "~") {
appHomeDir := btcutil.AppDataDir("gencerts", false)
homeDir := filepath.Dir(appHomeDir)
path = strings.Replace(path, "~", homeDir, 1)
}
// NOTE: The os.ExpandEnv doesn't work with Windows-style %VARIABLE%,
// but they variables can still be expanded via POSIX-style $VARIABLE.
return filepath.Clean(os.ExpandEnv(path))
}
func main() {
flag.Parse()
ntfnHandlers := btcrpcclient.NotificationHandlers{
OnTxAccepted: func(hash *btcwire.ShaHash, amount btcutil.Amount) {
h.broadcast <- []byte(strconv.FormatFloat(amount.ToUnit(0), 'f', -1, 64))
log.Printf("Tx Accepted: %v (%s)", hash, amount.String())
},
}
var certFile string
if *rpcCert != "" {
certFile = *rpcCert
} else {
btcdHomeDir := btcutil.AppDataDir("btcd", false)
filepath.Join(btcdHomeDir, "rpc.cert")
certFile = filepath.Join(btcdHomeDir, "rpc.cert")
}
certs, _ := ioutil.ReadFile(certFile)
connCfg := &btcrpcclient.ConnConfig{
Host: *rpcHost,
Endpoint: "ws",
User: *rpcUser,
Pass: *rpcPass,
Certificates: certs,
}
// Connect to btcd server
client, err := btcrpcclient.New(connCfg, &ntfnHandlers)
if err != nil {
log.Fatal(err)
}
client.NotifyNewTransactions(false)
// Start Websocket server
go h.run()
http.HandleFunc("/", serveWs)
err = http.ListenAndServe(*address, nil)
if err != nil {
log.Fatal("Error starting http listener: ", err)
}
}
func main() {
var (
dataDir = flag.String("datadir", filepath.Join(btcutil.AppDataDir("btcd", false), "data"), "BTCD: Data directory")
dbType = flag.String("dbtype", "leveldb", "BTCD: Database backend")
)
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
// Setup btcdb
log, db, dbCleanup := btcdbSetup(*dataDir, *dbType)
defer dbCleanup()
duplicates := search(log, db)
realDuplicates := make(map[string][]*rData)
for k, v := range duplicates {
if len(v) > 1 {
realDuplicates[k] = v
}
}
resultsFile, err := os.Create("blockchainr.json")
if err != nil {
log.Warnf("failed to create blockchainr.json: %v", err)
return
}
if json.NewEncoder(resultsFile).Encode(realDuplicates) != nil {
log.Warnf("failed to Encode the result: %v", err)
return
}
}
type config struct {
DataDir string `short:"b" long:"datadir" description:"Directory to store data"`
DbType string `long:"dbtype" description:"Database backend"`
TestNet3 bool `long:"testnet" description:"Use the test network"`
OutFile string `short:"o" description:"outfile"`
Progress bool `short:"p" description:"show progress"`
ShaString string `short:"s" description:"Block SHA to process" required:"true"`
EShaString string `short:"e" description:"End Block SHA to process"`
RawBlock bool `short:"r" description:"Raw Block"`
FmtBlock bool `short:"f" description:"Format Block"`
ShowTx bool `short:"t" description:"Show transaction"`
}
var (
btcdHomeDir = btcutil.AppDataDir("btcd", false)
defaultDataDir = filepath.Join(btcdHomeDir, "data")
log btclog.Logger
)
const (
ArgSha = iota
ArgHeight
)
func main() {
end := int64(-1)
cfg := config{
DbType: "leveldb",
DataDir: defaultDataDir,
"log"
"net"
"os"
"path/filepath"
"strings"
)
const (
defualtCAFilename = "btcwallet.cert"
defaultConfigFilename = "btcgui.conf"
defaultDataDirname = "data"
defaultBtcNet = btcwire.TestNet3
)
var (
btcguiHomeDir = btcutil.AppDataDir("btcgui", false)
btcwalletHomeDir = btcutil.AppDataDir("btcwallet", false)
defaultCAFile = filepath.Join(btcguiHomeDir, defualtCAFilename)
btcwalletHomedirCAFile = filepath.Join(btcwalletHomeDir, "rpc.cert")
defaultConfigFile = filepath.Join(btcguiHomeDir, defaultConfigFilename)
defaultDataDir = filepath.Join(btcguiHomeDir, defaultDataDirname)
)
type config struct {
ShowVersion bool `short:"V" long:"version" description:"Display version information and exit"`
CAFile string `long:"cafile" description:"File containing root certificates to authenticate a TLS connections with btcwallet"`
Connect string `short:"c" long:"connect" description:"Server and port of btcwallet instance to connect to (default localhost:18332, mainnet: localhost:8332)"`
ConfigFile string `short:"C" long:"configfile" description:"Path to configuration file"`
Username string `short:"u" long:"username" description:"Username for btcwallet authorization"`
Password string `short:"P" long:"password" description:"Password for btcwallet authorization"`
MainNet bool `long:"mainnet" description:"Use the main Bitcoin network (default testnet3)"`
package main
import (
"fmt"
"net"
"os"
"path/filepath"
"strings"
"github.com/conformal/btcutil"
flags "github.com/conformal/go-flags"
)
var (
btcdHomeDir = btcutil.AppDataDir("btcd", false)
btcctlHomeDir = btcutil.AppDataDir("btcctl", false)
btcwalletHomeDir = btcutil.AppDataDir("btcwallet", false)
defaultConfigFile = filepath.Join(btcctlHomeDir, "btcctl.conf")
defaultRPCServer = "localhost"
defaultRPCCertFile = filepath.Join(btcdHomeDir, "rpc.cert")
defaultWalletCertFile = filepath.Join(btcwalletHomeDir, "rpc.cert")
)
// config defines the configuration options for btcctl.
//
// See loadConfig for details on the configuration load process.
type config struct {
ShowVersion bool `short:"V" long:"version" description:"Display version information and exit"`
ConfigFile string `short:"C" long:"configfile" description:"Path to configuration file"`
RPCUser string `short:"u" long:"rpcuser" description:"RPC username"`
RPCPassword string `short:"P" long:"rpcpass" default-mask:"-" description:"RPC password"`
// See loadConfig for details on the configuration load process.
type config struct {
ConfigFile string `short:"C" long:"configfile" description:"Path to configuration file"`
Listeners []string `long:"listen" description:"Add an interface/port to listen on"`
RPCCert string `short:"c" long:"rpccert" description:"RPC server certificate chain for validation"`
RPCServer string `short:"s" long:"rpcserver" description:"IP and port for rpcserver."`
RPCUser string `short:"u" long:"rpcuser" description:"rpc username."`
RPCPassword string `short:"P" long:"rpcpass" description:"rpc password."`
}
const (
defaultConfigFilename = "blocksafari.conf"
)
var (
btcdHomeDir = btcutil.AppDataDir("btcd", false)
bsHomeDir = btcutil.AppDataDir("blocksafari", false)
cfg *config
defaultConfigFile = filepath.Join(bsHomeDir, defaultConfigFilename)
defaultRPCCertFile = filepath.Join(btcdHomeDir, "rpc.cert")
pem []byte
)
// loadConfig initializes and parses the config using a config file and command
// line options.
//
// The configuration proceeds as follows:
// 1) Start with a default config with sane settings
// 2) Pre-parse the command line to check for an alternative config file
// 3) Load configuration file overwriting defaults with any specified options
func main() {
var (
dataDir = flag.String("datadir", filepath.Join(btcutil.AppDataDir("btcd", false), "data"), "BTCD: Data directory")
dbType = flag.String("dbtype", "leveldb", "BTCD: Database backend")
)
flag.Parse()
db, err := btcdbSetup(*dataDir, *dbType)
if err != nil {
log.Println("btcdbSetup error:", err)
return
}
defer db.Close()
var jsonFile = flag.String("json", "blockchainr.json", "blockchainr output")
flag.Parse()
blockchainrFile, err := ioutil.ReadFile(*jsonFile)
if err != nil {
log.Println("failed to read blockchainr.json:", err)
return
}
results := make(map[string][]*inData)
err = json.Unmarshal(blockchainrFile, &results)
if err != nil {
log.Println("Unmarshal error:", err)
return
}
fmt.Println("blkH\tblkSha\tblkTime\ttxIndex\ttxSha\ttxInIndex\tprevBlkH\tprevBlkSha\tprevBlkTime\tr\taddr\twif")
targets := make(map[[2]string][]*rData)
for r, inDataList := range results {
for _, in := range inDataList {
rd := &rData{r: r, in: in}
if err := fetch(db, rd); err != nil {
log.Println("Skipping at fetch:", err)
printLine(rd)
continue
}
switch t := btcscript.GetScriptClass(rd.txPrevOut.PkScript); t {
case btcscript.PubKeyHashTy:
if err := processPubKeyHash(db, rd); err != nil {
log.Println("Skipping at opCheckSig:", err)
printLine(rd)
continue
}
default:
log.Println("Unsupported pkScript type:",
btcscript.ScriptClassToName[t], rd.in)
printLine(rd)
continue
}
// TODO: group compressed and uncompressed together
key := [...]string{rd.address, rd.r}
targets[key] = append(targets[key], rd)
}
}
// Do the magic!
for _, target := range targets {
if len(target) < 2 {
// The r value was reused across different addresses
// TODO: also this information would be interesting to graph
for _, rd := range target {
printLine(rd)
}
continue
}
a := target[0]
b := target[1]
log.Printf("[%v]\n", a.address)
log.Printf("Repeated r value: %v (%v times)\n", a.r, len(target))
privKey := recoverKey(a.signature, b.signature, a.hash, b.hash, a.pubKey)
if privKey == nil {
log.Print("recoverKey error\n\n")
continue
}
wif, err := btcutil.NewWIF(privKey, &btcnet.MainNetParams, a.compressed)
if err != nil {
log.Printf("NewWIF error: %v\n\n", err)
continue
}
for _, rd := range target {
rd.wif = wif
printLine(rd)
}
log.Printf("%v\n\n", wif.String())
}
}