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core: added chain head reset to known block

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This commit is contained in:
obscuren
2015-04-20 12:29:02 +02:00
parent 52584596d4
commit 45da3e17e2
4 changed files with 66 additions and 12 deletions
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49
cmd/geth/admin.go
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@ -1,6 +1,7 @@
package main
import (
"errors"
"fmt"
"os"
"time"
@ -50,15 +51,10 @@ func (js *jsre) adminBindings() {
debug.Set("printBlock", js.printBlock)
debug.Set("dumpBlock", js.dumpBlock)
debug.Set("getBlockRlp", js.getBlockRlp)
debug.Set("setHead", js.setHead)
}
func (js *jsre) downloadProgress(call otto.FunctionCall) otto.Value {
current, max := js.ethereum.Downloader().Stats()
return js.re.ToVal(fmt.Sprintf("%d/%d", current, max))
}
func (js *jsre) getBlockRlp(call otto.FunctionCall) otto.Value {
func (js *jsre) getBlock(call otto.FunctionCall) (*types.Block, error) {
var block *types.Block
if len(call.ArgumentList) > 0 {
if call.Argument(0).IsNumber() {
@ -68,12 +64,43 @@ func (js *jsre) getBlockRlp(call otto.FunctionCall) otto.Value {
hash, _ := call.Argument(0).ToString()
block = js.ethereum.ChainManager().GetBlock(common.HexToHash(hash))
} else {
fmt.Println("invalid argument for dump. Either hex string or number")
return nil, errors.New("invalid argument for dump. Either hex string or number")
}
} else {
block = js.ethereum.ChainManager().CurrentBlock()
return block, nil
}
return nil, errors.New("requires block number or block hash as argument")
}
func (js *jsre) setHead(call otto.FunctionCall) otto.Value {
block, err := js.getBlock(call)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
if block == nil {
fmt.Println("block not found")
return otto.UndefinedValue()
}
js.ethereum.ChainManager().SetHead(block)
return otto.UndefinedValue()
}
func (js *jsre) downloadProgress(call otto.FunctionCall) otto.Value {
current, max := js.ethereum.Downloader().Stats()
return js.re.ToVal(fmt.Sprintf("%d/%d", current, max))
}
func (js *jsre) getBlockRlp(call otto.FunctionCall) otto.Value {
block, err := js.getBlock(call)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
if block == nil {
fmt.Println("block not found")
return otto.UndefinedValue()