go-pulse/ethpipe/config.go
2014-08-04 16:25:53 +02:00

48 lines
1.0 KiB
Go

package ethpipe
import (
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethutil"
)
var cnfCtr = ethutil.Hex2Bytes("661005d2720d855f1d9976f88bb10c1a3398c77f")
type object struct {
*ethstate.StateObject
}
func (self object) StorageString(str string) *ethutil.Value {
if ethutil.IsHex(str) {
return self.Storage(ethutil.Hex2Bytes(str[2:]))
} else {
return self.Storage(ethutil.RightPadBytes([]byte(str), 32))
}
}
func (self object) Storage(addr []byte) *ethutil.Value {
return self.StateObject.GetStorage(ethutil.BigD(addr))
}
type config struct {
pipe *Pipe
}
func (self *config) Get(name string) object {
configCtrl := self.pipe.World().safeGet(cnfCtr)
var addr []byte
switch name {
case "NameReg":
addr = []byte{0}
default:
addr = ethutil.RightPadBytes([]byte(name), 32)
}
objectAddr := configCtrl.GetStorage(ethutil.BigD(addr))
return object{self.pipe.World().safeGet(objectAddr.Bytes())}
}
func (self *config) Exist() bool {
return self.pipe.World().Get(cnfCtr) != nil
}