plugeth/utils/keys.go

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package utils
import (
"fmt"
"github.com/ethereum/eth-go/ethutil"
"github.com/obscuren/secp256k1-go"
)
func CreateKeyPair(force bool) {
data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
if len(data) == 0 || force {
pub, prv := secp256k1.GenerateKeyPair()
pair := &ethutil.Key{PrivateKey: prv, PublicKey: pub}
ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
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mne := ethutil.MnemonicEncode(ethutil.Hex(prv))
fmt.Printf(`
Generating new address and keypair.
Please keep your keys somewhere save.
++++++++++++++++ KeyRing +++++++++++++++++++
addr: %x
prvk: %x
pubk: %x
++++++++++++++++++++++++++++++++++++++++++++
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save these words so you can restore your account later: %s
`, pair.Address(), prv, pub, mne)
}
}
func ImportPrivateKey(prvKey string) {
key := ethutil.FromHex(prvKey)
msg := []byte("tmp")
// Couldn't think of a better way to get the pub key
sig, _ := secp256k1.Sign(msg, key)
pub, _ := secp256k1.RecoverPubkey(msg, sig)
pair := &ethutil.Key{PrivateKey: key, PublicKey: pub}
ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
fmt.Printf(`
Importing private key
++++++++++++++++ KeyRing +++++++++++++++++++
addr: %x
prvk: %x
pubk: %x
++++++++++++++++++++++++++++++++++++++++++++
`, pair.Address(), key, pub)
}