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| author | Taylor Gerring <taylor.gerring@gmail.com> | 2015-06-06 22:04:13 +0800 |
|---|---|---|
| committer | Taylor Gerring <taylor.gerring@gmail.com> | 2015-06-06 22:04:13 +0800 |
| commit | 2729e6294a22c5f1adb547078a7391ca0537ccc9 (patch) | |
| tree | e86da63ca49380f6d010773ef51312f75137b15c /cmd/geth | |
| parent | ed621aae333ac183acc29c396c708ae57301838a (diff) | |
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Improved error checking
Diffstat (limited to 'cmd/geth')
| -rw-r--r-- | cmd/geth/chaincmd.go | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/cmd/geth/chaincmd.go b/cmd/geth/chaincmd.go index 2e90001af..8586e3b81 100644 --- a/cmd/geth/chaincmd.go +++ b/cmd/geth/chaincmd.go @@ -76,16 +76,20 @@ func exportChain(ctx *cli.Context) { start := time.Now() var err error + fp := ctx.Args().First() if len(ctx.Args()) < 3 { - err = utils.ExportChain(chain, ctx.Args().First()) + err = utils.ExportChain(chain, fp) } else { // This can be improved to allow for numbers larger than 9223372036854775807 first, ferr := strconv.ParseInt(ctx.Args().Get(1), 10, 64) last, lerr := strconv.ParseInt(ctx.Args().Get(2), 10, 64) if ferr != nil || lerr != nil { - utils.Fatalf("Export error in parsing parameters\n") + utils.Fatalf("Export error in parsing parameters: block number not an integer\n") } - err = utils.ExportAppendChain(chain, ctx.Args().First(), uint64(first), uint64(last)) + if first < 0 || last < 0 { + utils.Fatalf("Export error: block number must be greater than 0\n") + } + err = utils.ExportAppendChain(chain, fp, uint64(first), uint64(last)) } if err != nil { |