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Added blockchain DB versioning support, closes #650

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This commit is contained in:
Bas van Kervel
2015-04-13 10:13:52 +02:00
parent 4de1e1609a
commit 49a513bdeb
6 changed files with 188 additions and 29 deletions
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25
cmd/utils/cmd.go
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@ -155,7 +155,11 @@ func ImportChain(chainmgr *core.ChainManager, fn string) error {
chainmgr.Reset()
stream := rlp.NewStream(fh)
var i int
var i, n int
batchSize := 2500
blocks := make(types.Blocks, batchSize)
for ; ; i++ {
var b types.Block
if err := stream.Decode(&b); err == io.EOF {
@ -163,10 +167,25 @@ func ImportChain(chainmgr *core.ChainManager, fn string) error {
} else if err != nil {
return fmt.Errorf("at block %d: %v", i, err)
}
if err := chainmgr.InsertChain(types.Blocks{&b}); err != nil {
return fmt.Errorf("invalid block %d: %v", i, err)
blocks[n] = &b
n++
if n == batchSize {
if err := chainmgr.InsertChain(blocks); err != nil {
return fmt.Errorf("invalid block %v", err)
}
n = 0
blocks = make(types.Blocks, batchSize)
}
}
if n > 0 {
if err := chainmgr.InsertChain(blocks[:n]); err != nil {
return fmt.Errorf("invalid block %v", err)
}
}
fmt.Printf("imported %d blocks\n", i)
return nil
}