func btcdbSetup(dataDir, dbType string) (log btclog.Logger, db btcdb.Db, cleanup func()) {
// Setup logging
backendLogger := btclog.NewDefaultBackendLogger()
log = btclog.NewSubsystemLogger(backendLogger, "")
btcdb.UseLogger(log)
// Setup database access
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + dbType
if dbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(dataDir, "mainnet", dbName)
log.Infof("loading db %v", dbType)
db, err := btcdb.OpenDB(dbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
log.Infof("db load complete")
cleanup = func() {
db.Close()
backendLogger.Flush()
}
return
}
func main() {
var err error
var dbType string
var datadir string
var shastring string
flag.StringVar(&dbType, "dbtype", "", "Database backend to use for the Block Chain")
flag.StringVar(&datadir, "datadir", "", "Directory to store data")
flag.StringVar(&shastring, "s", "", "Block sha to process")
flag.Parse()
log, err = seelog.LoggerFromWriterWithMinLevel(os.Stdout,
seelog.TraceLvl)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create logger: %v", err)
return
}
defer log.Flush()
btcdb.UseLogger(log)
if len(dbType) == 0 {
dbType = "sqlite"
}
if len(datadir) == 0 {
datadir = filepath.Join(btcdHomeDir(), "data")
}
datadir = filepath.Join(datadir, "mainnet")
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + dbType
if dbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(datadir, dbName)
log.Infof("loading db")
db, err := btcdb.OpenDB(dbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db load complete")
_, height, err := db.NewestSha()
log.Infof("loaded block height %v", height)
sha, err := getSha(db, shastring)
if err != nil {
log.Infof("Invalid block %v", shastring)
return
}
err = db.DropAfterBlockBySha(&sha)
if err != nil {
log.Warnf("failed %v", err)
}
}
func main() {
cfg := config{
DbType: "leveldb",
DataDir: defaultDataDir,
}
parser := flags.NewParser(&cfg, flags.Default)
_, err := parser.Parse()
if err != nil {
if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp {
parser.WriteHelp(os.Stderr)
}
return
}
backendLogger := btclog.NewDefaultBackendLogger()
defer backendLogger.Flush()
log = btclog.NewSubsystemLogger(backendLogger, "")
btcdb.UseLogger(log)
var testnet string
if cfg.TestNet3 {
testnet = "testnet"
} else {
testnet = "mainnet"
}
cfg.DataDir = filepath.Join(cfg.DataDir, testnet)
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + cfg.DbType
if cfg.DbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(cfg.DataDir, dbName)
log.Infof("loading db")
db, err := btcdb.OpenDB(cfg.DbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db load complete")
_, height, err := db.NewestSha()
log.Infof("loaded block height %v", height)
sha, err := getSha(db, cfg.ShaString)
if err != nil {
log.Infof("Invalid block hash %v", cfg.ShaString)
return
}
err = db.DropAfterBlockBySha(&sha)
if err != nil {
log.Warnf("failed %v", err)
}
}
// realMain is the real main function for the utility. It is necessary to work
// around the fact that deferred functions do not run when os.Exit() is called.
func realMain() error {
// Load configuration and parse command line.
tcfg, _, err := loadConfig()
if err != nil {
return err
}
cfg = tcfg
// Setup logging.
backendLogger := btclog.NewDefaultBackendLogger()
defer backendLogger.Flush()
log = btclog.NewSubsystemLogger(backendLogger, "")
btcdb.UseLogger(btclog.NewSubsystemLogger(backendLogger, "BCDB: "))
btcchain.UseLogger(btclog.NewSubsystemLogger(backendLogger, "CHAN: "))
// Load the block database.
db, err := loadBlockDB()
if err != nil {
log.Errorf("Failed to load database: %v", err)
return err
}
defer db.Close()
fi, err := os.Open(cfg.InFile)
if err != nil {
log.Errorf("Failed to open file %v: %v", cfg.InFile, err)
return err
}
defer fi.Close()
// Create a block importer for the database and input file and start it.
// The done channel returned from start will contain an error if
// anything went wrong.
importer := newBlockImporter(db, fi)
// Perform the import asynchronously. This allows blocks to be
// processed and read in parallel. The results channel returned from
// Import contains the statistics about the import including an error
// if something went wrong.
log.Info("Starting import")
resultsChan := importer.Import()
results := <-resultsChan
if results.err != nil {
log.Errorf("%v", results.err)
return results.err
}
log.Infof("Processed a total of %d blocks (%d imported, %d already "+
"known)", results.blocksProcessed, results.blocksImported,
results.blocksProcessed-results.blocksImported)
return nil
}
// useLogger updates the logger references for subsystemID to logger. Invalid
// subsystems are ignored.
func useLogger(subsystemID string, logger btclog.Logger) {
if _, ok := subsystemLoggers[subsystemID]; !ok {
return
}
subsystemLoggers[subsystemID] = logger
switch subsystemID {
case "AMGR":
amgrLog = logger
addrmgr.UseLogger(logger)
case "BCDB":
bcdbLog = logger
btcdb.UseLogger(logger)
case "BMGR":
bmgrLog = logger
case "BTCD":
btcdLog = logger
case "CHAN":
chanLog = logger
btcchain.UseLogger(logger)
case "DISC":
discLog = logger
case "MINR":
minrLog = logger
case "PEER":
peerLog = logger
case "RPCS":
rpcsLog = logger
case "SCRP":
scrpLog = logger
btcscript.UseLogger(logger)
case "SRVR":
srvrLog = logger
case "TXMP":
txmpLog = logger
}
}
func main() {
end := int64(-1)
cfg := config{
DbType: "leveldb",
DataDir: defaultDataDir,
}
parser := flags.NewParser(&cfg, flags.Default)
_, err := parser.Parse()
if err != nil {
if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp {
parser.WriteHelp(os.Stderr)
}
return
}
backendLogger := btclog.NewDefaultBackendLogger()
defer backendLogger.Flush()
log = btclog.NewSubsystemLogger(backendLogger, "")
btcdb.UseLogger(log)
var testnet string
if cfg.TestNet3 {
testnet = "testnet"
} else {
testnet = "mainnet"
}
cfg.DataDir = filepath.Join(cfg.DataDir, testnet)
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + cfg.DbType
if cfg.DbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(cfg.DataDir, dbName)
log.Infof("loading db %v", cfg.DbType)
db, err := btcdb.OpenDB(cfg.DbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db load complete")
height, err := getHeight(db, cfg.ShaString)
if err != nil {
log.Infof("Invalid block %v", cfg.ShaString)
return
}
if cfg.EShaString != "" {
end, err = getHeight(db, cfg.EShaString)
if err != nil {
log.Infof("Invalid end block %v", cfg.EShaString)
return
}
} else {
end = height + 1
}
log.Infof("height %v end %v", height, end)
var fo io.WriteCloser
if cfg.OutFile != "" {
fo, err = os.Create(cfg.OutFile)
if err != nil {
log.Warnf("failed to open file %v, err %v", cfg.OutFile, err)
}
defer func() {
if err := fo.Close(); err != nil {
log.Warn("failed to close file %v %v", cfg.OutFile, err)
}
}()
}
for ; height < end; height++ {
if cfg.Progress && height%int64(1) == 0 {
log.Infof("Processing block %v", height)
}
err = DumpBlock(db, height, fo, cfg.RawBlock, cfg.FmtBlock, cfg.ShowTx)
if err != nil {
break
}
}
if cfg.Progress {
height--
log.Infof("Processing block %v", height)
}
}
func main() {
cfg := config{
DbType: "leveldb",
DataDir: filepath.Join(btcdHomeDir(), "data"),
}
parser := flags.NewParser(&cfg, flags.Default)
_, err := parser.Parse()
if err != nil {
if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp {
parser.WriteHelp(os.Stderr)
}
return
}
log, err = seelog.LoggerFromWriterWithMinLevel(os.Stdout,
seelog.TraceLvl)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create logger: %v", err)
return
}
defer log.Flush()
btcdb.UseLogger(log)
var testnet string
if cfg.TestNet3 {
testnet = "testnet"
} else {
testnet = "mainnet"
}
cfg.DataDir = filepath.Join(cfg.DataDir, testnet)
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + cfg.DbType
if cfg.DbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(cfg.DataDir, dbName)
log.Infof("loading db")
db, err := btcdb.OpenDB(cfg.DbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db load complete")
_, height, err := db.NewestSha()
log.Infof("loaded block height %v", height)
sha, err := getSha(db, cfg.ShaString)
if err != nil {
log.Infof("Invalid block hash %v", cfg.ShaString)
return
}
err = db.DropAfterBlockBySha(&sha)
if err != nil {
log.Warnf("failed %v", err)
}
}
func main() {
cfg := config{
DbType: "leveldb",
DataDir: filepath.Join(btcdHomeDir(), "data"),
}
parser := flags.NewParser(&cfg, flags.Default)
_, err := parser.Parse()
if err != nil {
if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp {
parser.WriteHelp(os.Stderr)
}
return
}
runtime.GOMAXPROCS(runtime.NumCPU())
log, err = seelog.LoggerFromWriterWithMinLevel(os.Stdout,
seelog.InfoLvl)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create logger: %v", err)
return
}
defer log.Flush()
btcdb.UseLogger(log)
var testnet string
if cfg.TestNet3 {
testnet = "testnet"
} else {
testnet = "mainnet"
}
cfg.DataDir = filepath.Join(cfg.DataDir, testnet)
err = os.MkdirAll(cfg.DataDir, 0700)
if err != nil {
fmt.Printf("unable to create db repo area %v, %v", cfg.DataDir, err)
}
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + cfg.DbType
if cfg.DbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(cfg.DataDir, dbName)
log.Infof("loading db")
db, err := btcdb.CreateDB(cfg.DbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db created")
var fi io.ReadCloser
fi, err = os.Open(cfg.InFile)
if err != nil {
log.Warnf("failed to open file %v, err %v", cfg.InFile, err)
}
defer func() {
if err := fi.Close(); err != nil {
log.Warn("failed to close file %v %v", cfg.InFile, err)
}
}()
bufqueue := make(chan *bufQueue, 2)
blkqueue := make(chan *blkQueue, 2)
for i := 0; i < runtime.NumCPU(); i++ {
go processBuf(i, bufqueue, blkqueue)
}
go processBuf(0, bufqueue, blkqueue)
go readBlocks(fi, bufqueue)
var eheight int64
doneMap := map[int64]*blkQueue{}
for {
select {
case blkM := <-blkqueue:
doneMap[blkM.height] = blkM
for {
if blkP, ok := doneMap[eheight]; ok {
delete(doneMap, eheight)
blkP.complete <- true
db.InsertBlock(blkP.blk)
if cfg.Progress && eheight%int64(1) == 0 {
log.Infof("Processing block %v", eheight)
}
eheight++
if eheight%2000 == 0 {
f, err := os.Create(fmt.Sprintf("profile.%d", eheight))
if err == nil {
pprof.WriteHeapProfile(f)
f.Close()
} else {
log.Warnf("profile failed %v", err)
}
}
} else {
break
}
}
}
}
}
func main() {
var err error
var dbType string
var datadir string
var shastring, eshastring, outfile string
var rflag, fflag, tflag bool
var progress int
end := int64(-1)
flag.StringVar(&dbType, "dbtype", "", "Database backend to use for the Block Chain")
flag.StringVar(&datadir, "datadir", ".", "Directory to store data")
flag.StringVar(&shastring, "s", "", "Block sha to process")
flag.StringVar(&eshastring, "e", "", "Block sha to process")
flag.StringVar(&outfile, "o", "", "outfile")
flag.BoolVar(&rflag, "r", false, "raw block")
flag.BoolVar(&fflag, "f", false, "fmt block")
flag.BoolVar(&tflag, "t", false, "show transactions")
flag.IntVar(&progress, "p", 0, "show progress")
flag.Parse()
log, err = seelog.LoggerFromWriterWithMinLevel(os.Stdout,
seelog.InfoLvl)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create logger: %v", err)
return
}
defer log.Flush()
btcdb.UseLogger(log)
if len(dbType) == 0 {
dbType = "sqlite"
}
if len(datadir) == 0 {
datadir = filepath.Join(btcdHomeDir(), "data")
}
datadir = filepath.Join(datadir, "mainnet")
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + dbType
if dbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(datadir, dbName)
log.Infof("loading db %v", dbType)
db, err := btcdb.OpenDB(dbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db load complete")
height, err := getHeight(db, shastring)
if err != nil {
log.Infof("Invalid block %v", shastring)
return
}
if eshastring != "" {
end, err = getHeight(db, eshastring)
if err != nil {
log.Infof("Invalid end block %v", eshastring)
return
}
} else {
end = height + 1
}
log.Infof("height %v end %v", height, end)
var fo io.WriteCloser
if outfile != "" {
fo, err = os.Create(outfile)
if err != nil {
log.Warnf("failed to open file %v, err %v", outfile, err)
}
defer func() {
if err := fo.Close(); err != nil {
log.Warn("failed to close file %v %v", outfile, err)
}
}()
}
for ; height < end; height++ {
if progress != 0 && height%int64(progress) == 0 {
log.Infof("Processing block %v", height)
}
err = DumpBlock(db, height, fo, rflag, fflag, tflag)
if err != nil {
break
}
}
if progress != 0 {
height--
log.Infof("Processing block %v", height)
}
}
func main() {
cfg := config{
DbType: "leveldb",
DataDir: defaultDataDir,
}
parser := flags.NewParser(&cfg, flags.Default)
_, err := parser.Parse()
if err != nil {
if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp {
parser.WriteHelp(os.Stderr)
}
return
}
// Use all processor cores.
runtime.GOMAXPROCS(runtime.NumCPU())
// Up some limits.
if err := limits.SetLimits(); err != nil {
os.Exit(1)
}
backendLogger := btclog.NewDefaultBackendLogger()
defer backendLogger.Flush()
log = btclog.NewSubsystemLogger(backendLogger, "")
btcdb.UseLogger(log)
var testnet string
if cfg.TestNet3 {
testnet = "testnet"
} else {
testnet = "mainnet"
}
cfg.DataDir = filepath.Join(cfg.DataDir, testnet)
err = os.MkdirAll(cfg.DataDir, 0700)
if err != nil {
fmt.Printf("unable to create db repo area %v, %v", cfg.DataDir, err)
}
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + cfg.DbType
if cfg.DbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(cfg.DataDir, dbName)
log.Infof("loading db")
db, err := btcdb.CreateDB(cfg.DbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db created")
var fi io.ReadCloser
fi, err = os.Open(cfg.InFile)
if err != nil {
log.Warnf("failed to open file %v, err %v", cfg.InFile, err)
}
defer func() {
if err := fi.Close(); err != nil {
log.Warn("failed to close file %v %v", cfg.InFile, err)
}
}()
bufqueue := make(chan *bufQueue, 2)
blkqueue := make(chan *blkQueue, 2)
for i := 0; i < runtime.NumCPU(); i++ {
go processBuf(i, bufqueue, blkqueue)
}
go processBuf(0, bufqueue, blkqueue)
go readBlocks(fi, bufqueue)
var eheight int64
doneMap := map[int64]*blkQueue{}
for {
select {
case blkM := <-blkqueue:
doneMap[blkM.height] = blkM
for {
if blkP, ok := doneMap[eheight]; ok {
delete(doneMap, eheight)
blkP.complete <- true
db.InsertBlock(blkP.blk)
if cfg.Progress && eheight%int64(10000) == 0 {
log.Infof("Processing block %v", eheight)
}
eheight++
} else {
break
}
}
}
}
if cfg.Progress {
log.Infof("Processing block %v", eheight)
}
}
func main() {
cfg := config{
DbType: "leveldb",
DataDir: defaultDataDir,
}
parser := flags.NewParser(&cfg, flags.Default)
_, err := parser.Parse()
if err != nil {
if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp {
parser.WriteHelp(os.Stderr)
}
return
}
backendLogger := btclog.NewDefaultBackendLogger()
defer backendLogger.Flush()
log = btclog.NewSubsystemLogger(backendLogger, "")
btcdb.UseLogger(log)
// Multiple networks can't be selected simultaneously.
funcName := "main"
numNets := 0
// Count number of network flags passed; assign active network params
// while we're at it
if cfg.TestNet3 {
numNets++
activeNetParams = &btcnet.TestNet3Params
}
if cfg.RegressionTest {
numNets++
activeNetParams = &btcnet.RegressionNetParams
}
if cfg.SimNet {
numNets++
activeNetParams = &btcnet.SimNetParams
}
if numNets > 1 {
str := "%s: The testnet, regtest, and simnet params can't be " +
"used together -- choose one of the three"
err := fmt.Errorf(str, funcName)
fmt.Fprintln(os.Stderr, err)
parser.WriteHelp(os.Stderr)
return
}
cfg.DataDir = filepath.Join(cfg.DataDir, netName(activeNetParams))
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + cfg.DbType
if cfg.DbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(cfg.DataDir, dbName)
log.Infof("loading db")
db, err := btcdb.OpenDB(cfg.DbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db load complete")
_, height, err := db.NewestSha()
log.Infof("loaded block height %v", height)
sha, err := getSha(db, cfg.ShaString)
if err != nil {
log.Infof("Invalid block hash %v", cfg.ShaString)
return
}
err = db.DropAfterBlockBySha(&sha)
if err != nil {
log.Warnf("failed %v", err)
}
}
func main() {
var err error
var dbType string
var datadir string
var infile string
var progress int
flag.StringVar(&dbType, "dbtype", "", "Database backend to use for the Block Chain")
flag.StringVar(&datadir, "datadir", "", "Directory to store data")
flag.StringVar(&infile, "i", "", "infile")
flag.IntVar(&progress, "p", 0, "show progress")
flag.Parse()
runtime.GOMAXPROCS(runtime.NumCPU())
if len(infile) == 0 {
fmt.Printf("Must specify inputfile")
return
}
log, err = seelog.LoggerFromWriterWithMinLevel(os.Stdout,
seelog.InfoLvl)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to create logger: %v", err)
return
}
defer log.Flush()
btcdb.UseLogger(log)
if len(dbType) == 0 {
dbType = "sqlite"
}
if len(datadir) == 0 {
datadir = filepath.Join(btcdHomeDir(), "data")
}
datadir = filepath.Join(datadir, "mainnet")
err = os.MkdirAll(datadir, 0700)
if err != nil {
fmt.Printf("unable to create db repo area %v, %v", datadir, err)
}
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + dbType
if dbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(datadir, dbName)
log.Infof("loading db")
db, err := btcdb.CreateDB(dbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db created")
var fi io.ReadCloser
fi, err = os.Open(infile)
if err != nil {
log.Warnf("failed to open file %v, err %v", infile, err)
}
defer func() {
if err := fi.Close(); err != nil {
log.Warn("failed to close file %v %v", infile, err)
}
}()
bufqueue := make(chan *bufQueue, 2)
blkqueue := make(chan *blkQueue, 2)
for i := 0; i < runtime.NumCPU(); i++ {
go processBuf(i, bufqueue, blkqueue)
}
go processBuf(0, bufqueue, blkqueue)
go readBlocks(fi, bufqueue)
var eheight int64
doneMap := map[int64]*blkQueue{}
for {
select {
case blkM := <-blkqueue:
doneMap[blkM.height] = blkM
for {
if blkP, ok := doneMap[eheight]; ok {
delete(doneMap, eheight)
blkP.complete <- true
db.InsertBlock(blkP.blk)
if progress != 0 && eheight%int64(progress) == 0 {
log.Infof("Processing block %v", eheight)
}
eheight++
if eheight%2000 == 0 {
f, err := os.Create(fmt.Sprintf("profile.%d", eheight))
if err == nil {
pprof.WriteHeapProfile(f)
f.Close()
} else {
log.Warnf("profile failed %v", err)
}
}
} else {
break
}
}
}
}
}
func main() {
end := int64(-1)
cfg := config{
DbType: "leveldb",
DataDir: defaultDataDir,
}
parser := flags.NewParser(&cfg, flags.Default)
_, err := parser.Parse()
if err != nil {
if e, ok := err.(*flags.Error); !ok || e.Type != flags.ErrHelp {
parser.WriteHelp(os.Stderr)
}
return
}
backendLogger := btclog.NewDefaultBackendLogger()
defer backendLogger.Flush()
log = btclog.NewSubsystemLogger(backendLogger, "")
btcdb.UseLogger(log)
// Multiple networks can't be selected simultaneously.
funcName := "main"
numNets := 0
// Count number of network flags passed; assign active network params
// while we're at it
if cfg.TestNet3 {
numNets++
activeNetParams = &btcnet.TestNet3Params
}
if cfg.RegressionTest {
numNets++
activeNetParams = &btcnet.RegressionNetParams
}
if cfg.SimNet {
numNets++
activeNetParams = &btcnet.SimNetParams
}
if numNets > 1 {
str := "%s: The testnet, regtest, and simnet params can't be " +
"used together -- choose one of the three"
err := fmt.Errorf(str, funcName)
fmt.Fprintln(os.Stderr, err)
parser.WriteHelp(os.Stderr)
return
}
cfg.DataDir = filepath.Join(cfg.DataDir, netName(activeNetParams))
blockDbNamePrefix := "blocks"
dbName := blockDbNamePrefix + "_" + cfg.DbType
if cfg.DbType == "sqlite" {
dbName = dbName + ".db"
}
dbPath := filepath.Join(cfg.DataDir, dbName)
log.Infof("loading db %v", cfg.DbType)
db, err := btcdb.OpenDB(cfg.DbType, dbPath)
if err != nil {
log.Warnf("db open failed: %v", err)
return
}
defer db.Close()
log.Infof("db load complete")
height, err := getHeight(db, cfg.ShaString)
if err != nil {
log.Infof("Invalid block %v", cfg.ShaString)
return
}
if cfg.EShaString != "" {
end, err = getHeight(db, cfg.EShaString)
if err != nil {
log.Infof("Invalid end block %v", cfg.EShaString)
return
}
} else {
end = height + 1
}
log.Infof("height %v end %v", height, end)
var fo io.WriteCloser
if cfg.OutFile != "" {
fo, err = os.Create(cfg.OutFile)
if err != nil {
log.Warnf("failed to open file %v, err %v", cfg.OutFile, err)
}
defer func() {
if err := fo.Close(); err != nil {
log.Warn("failed to close file %v %v", cfg.OutFile, err)
}
}()
}
for ; height < end; height++ {
if cfg.Progress && height%int64(1) == 0 {
log.Infof("Processing block %v", height)
}
err = DumpBlock(db, height, fo, cfg.RawBlock, cfg.FmtBlock, cfg.ShowTx)
if err != nil {
break
}
}
if cfg.Progress {
height--
log.Infof("Processing block %v", height)
}
}