Official Go implementation of the Ethereum protocol
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go-ethereum/ethpipe/config.go

33 lines
848 B

package ethpipe
import "github.com/ethereum/eth-go/ethutil"
var cnfCtr = ethutil.Hex2Bytes("661005d2720d855f1d9976f88bb10c1a3398c77f")
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}
case "DnsReg":
objectAddr := configCtrl.GetStorage(ethutil.BigD([]byte{0}))
domainAddr := (&Object{self.pipe.World().safeGet(objectAddr.Bytes())}).StorageString("DnsReg").Bytes()
return &Object{self.pipe.World().safeGet(domainAddr)}
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
}