mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-23 12:07:17 +00:00
Allow export command to take first and last args
This commit is contained in:
parent
89c9320d80
commit
d65b64c884
@ -26,6 +26,12 @@ var (
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Action: exportChain,
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Action: exportChain,
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Name: "export",
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Name: "export",
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Usage: `export blockchain into file`,
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Usage: `export blockchain into file`,
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Description: `
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Requires a first argument of the file to write to.
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Optional second and third arguments control the first and
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last block to write. In this mode, the file will be appended
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if already existing.
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`,
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}
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}
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upgradedbCommand = cli.Command{
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upgradedbCommand = cli.Command{
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Action: upgradeDB,
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Action: upgradeDB,
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@ -68,7 +74,21 @@ func exportChain(ctx *cli.Context) {
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}
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}
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chain, _, _, _ := utils.MakeChain(ctx)
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chain, _, _, _ := utils.MakeChain(ctx)
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start := time.Now()
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start := time.Now()
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if err := utils.ExportChain(chain, ctx.Args().First()); err != nil {
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var err error
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if len(ctx.Args()) < 3 {
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err = utils.ExportChain(chain, ctx.Args().First())
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} else {
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// This can be improved to allow for numbers larger than 9223372036854775807
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first, ferr := strconv.ParseInt(ctx.Args().Get(1), 10, 64)
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last, lerr := strconv.ParseInt(ctx.Args().Get(2), 10, 64)
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if ferr != nil || lerr != nil {
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utils.Fatalf("Export error in parsing parameters\n")
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}
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err = utils.ExportAppendChain(chain, ctx.Args().First(), uint64(first), uint64(last))
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}
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if err != nil {
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utils.Fatalf("Export error: %v\n", err)
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utils.Fatalf("Export error: %v\n", err)
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}
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}
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fmt.Printf("Export done in %v", time.Since(start))
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fmt.Printf("Export done in %v", time.Since(start))
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@ -268,3 +268,18 @@ func ExportChain(chainmgr *core.ChainManager, fn string) error {
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glog.Infoln("Exported blockchain to", fn)
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glog.Infoln("Exported blockchain to", fn)
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return nil
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return nil
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}
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}
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func ExportAppendChain(chainmgr *core.ChainManager, fn string, first uint64, last uint64) error {
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glog.Infoln("Exporting blockchain to", fn)
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// TODO verify mode perms
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fh, err := os.OpenFile(fn, os.O_CREATE|os.O_APPEND|os.O_WRONLY, os.ModePerm)
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if err != nil {
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return err
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}
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defer fh.Close()
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if err := chainmgr.ExportN(fh, first, last); err != nil {
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return err
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}
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glog.Infoln("Exported blockchain to", fn)
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return nil
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}
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