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add export blockchain subcommand, remove BlockDo

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This commit is contained in:
zelig
2015-03-08 22:44:48 +07:00
parent 07955b3041
commit 51eed7964e
2 changed files with 42 additions and 30 deletions
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41
cmd/utils/cmd.go
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@ -35,7 +35,6 @@ import (
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/rlp"
rpchttp "github.com/ethereum/go-ethereum/rpc/http"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/xeth"
)
@ -188,27 +187,8 @@ func FormatTransactionData(data string) []byte {
return d
}
// Replay block
func BlockDo(ethereum *eth.Ethereum, hash []byte) error {
block := ethereum.ChainManager().GetBlock(hash)
if block == nil {
return fmt.Errorf("unknown block %x", hash)
}
parent := ethereum.ChainManager().GetBlock(block.ParentHash())
statedb := state.New(parent.Root(), ethereum.StateDb())
_, err := ethereum.BlockProcessor().TransitionState(statedb, parent, block, true)
if err != nil {
return err
}
return nil
}
func ImportChain(chain *core.ChainManager, fn string) error {
fmt.Printf("importing chain '%s'\n", fn)
func ImportChain(chainmgr *core.ChainManager, fn string) error {
fmt.Printf("importing blockchain '%s'\n", fn)
fh, err := os.OpenFile(fn, os.O_RDONLY, os.ModePerm)
if err != nil {
return err
@ -220,11 +200,24 @@ func ImportChain(chain *core.ChainManager, fn string) error {
return err
}
chain.Reset()
if err := chain.InsertChain(blocks); err != nil {
chainmgr.Reset()
if err := chainmgr.InsertChain(blocks); err != nil {
return err
}
fmt.Printf("imported %d blocks\n", len(blocks))
return nil
}
func ExportChain(chainmgr *core.ChainManager, fn string) error {
fmt.Printf("exporting blockchain '%s'\n", fn)
data := chainmgr.Export()
if err := ethutil.WriteFile(fn, data); err != nil {
return err
}
fmt.Printf("exported blockchain\n")
return nil
}