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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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31
cmd/ethereum/main.go
View File

@ -87,6 +87,11 @@ runtime will execute the file and exit.
Name: "import",
Usage: `import a blockchain file`,
},
{
Action: exportchain,
Name: "export",
Usage: `export blockchain into file`,
},
}
app.Author = ""
app.Email = ""
@ -171,25 +176,39 @@ func importchain(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
utils.Fatalf("This command requires an argument.")
}
chain, _, _ := utils.GetChain(ctx)
chainmgr, _, _ := utils.GetChain(ctx)
start := time.Now()
err := utils.ImportChain(chain, ctx.Args().First())
err := utils.ImportChain(chainmgr, ctx.Args().First())
if err != nil {
utils.Fatalf("Import error: %v\n", err)
}
fmt.Printf("Import done in", time.Since(start))
fmt.Printf("Import done in %v", time.Since(start))
return
}
func exportchain(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
utils.Fatalf("This command requires an argument.")
}
chainmgr, _, _ := utils.GetChain(ctx)
start := time.Now()
err := utils.ExportChain(chainmgr, ctx.Args().First())
if err != nil {
utils.Fatalf("Export error: %v\n", err)
}
fmt.Printf("Export done in %v", time.Since(start))
return
}
func dump(ctx *cli.Context) {
chain, _, stateDb := utils.GetChain(ctx)
chainmgr, _, stateDb := utils.GetChain(ctx)
for _, arg := range ctx.Args() {
var block *types.Block
if hashish(arg) {
block = chain.GetBlock(ethutil.Hex2Bytes(arg))
block = chainmgr.GetBlock(ethutil.Hex2Bytes(arg))
} else {
num, _ := strconv.Atoi(arg)
block = chain.GetBlockByNumber(uint64(num))
block = chainmgr.GetBlockByNumber(uint64(num))
}
if block == nil {
fmt.Println("{}")

41
cmd/utils/cmd.go
View File

@ -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
}