cerc-io/plugeth
18
0
Fork 1
Code Issues 4 Pull Requests Packages Projects Releases Wiki Activity

add export blockchain subcommand, remove BlockDo

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
cmd/ethereum/main.go
View File

@ -87,6 +87,11 @@ runtime will execute the file and exit.
Name: "import", Name: "import",
Usage: `import a blockchain file`, Usage: `import a blockchain file`,
}, },
{
Action: exportchain,
Name: "export",
Usage: `export blockchain into file`,
},
} }
app.Author = "" app.Author = ""
app.Email = "" app.Email = ""
@ -171,25 +176,39 @@ func importchain(ctx *cli.Context) {
if len(ctx.Args()) != 1 { if len(ctx.Args()) != 1 {
utils.Fatalf("This command requires an argument.") utils.Fatalf("This command requires an argument.")
} }
chain, _, _ := utils.GetChain(ctx) chainmgr, _, _ := utils.GetChain(ctx)
start := time.Now() start := time.Now()
err := utils.ImportChain(chain, ctx.Args().First()) err := utils.ImportChain(chainmgr, ctx.Args().First())
if err != nil { if err != nil {
utils.Fatalf("Import error: %v\n", err) 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 return
} }
func dump(ctx *cli.Context) { func dump(ctx *cli.Context) {
chain, _, stateDb := utils.GetChain(ctx) chainmgr, _, stateDb := utils.GetChain(ctx)
for _, arg := range ctx.Args() { for _, arg := range ctx.Args() {
var block *types.Block var block *types.Block
if hashish(arg) { if hashish(arg) {
block = chain.GetBlock(ethutil.Hex2Bytes(arg)) block = chainmgr.GetBlock(ethutil.Hex2Bytes(arg))
} else { } else {
num, _ := strconv.Atoi(arg) num, _ := strconv.Atoi(arg)
block = chain.GetBlockByNumber(uint64(num)) block = chainmgr.GetBlockByNumber(uint64(num))
} }
if block == nil { if block == nil {
fmt.Println("{}") 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/logger"
"github.com/ethereum/go-ethereum/rlp" "github.com/ethereum/go-ethereum/rlp"
rpchttp "github.com/ethereum/go-ethereum/rpc/http" rpchttp "github.com/ethereum/go-ethereum/rpc/http"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/xeth" "github.com/ethereum/go-ethereum/xeth"
) )
@ -188,27 +187,8 @@ func FormatTransactionData(data string) []byte {
return d return d
} }
// Replay block func ImportChain(chainmgr *core.ChainManager, fn string) error {
func BlockDo(ethereum *eth.Ethereum, hash []byte) error { fmt.Printf("importing blockchain '%s'\n", fn)
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)
fh, err := os.OpenFile(fn, os.O_RDONLY, os.ModePerm) fh, err := os.OpenFile(fn, os.O_RDONLY, os.ModePerm)
if err != nil { if err != nil {
return err return err
@ -220,11 +200,24 @@ func ImportChain(chain *core.ChainManager, fn string) error {
return err return err
} }
chain.Reset() chainmgr.Reset()
if err := chain.InsertChain(blocks); err != nil { if err := chainmgr.InsertChain(blocks); err != nil {
return err return err
} }
fmt.Printf("imported %d blocks\n", len(blocks)) fmt.Printf("imported %d blocks\n", len(blocks))
return nil 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
}