Merge master into miner branch

1 files changed, 50 insertions, 0 deletions

diff --git a/utils/keys.go b/utils/keys.go
new file mode 100644
index 000000000..910c8c477
--- /dev/null
+++ b/utils/keys.go
@@ -0,0 +1,50 @@
+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())
+
+		fmt.Printf(`
+Generating new address and keypair.
+Please keep your keys somewhere save.
+
+++++++++++++++++ KeyRing +++++++++++++++++++
+addr: %x
+prvk: %x
+pubk: %x
+++++++++++++++++++++++++++++++++++++++++++++
+
+`, pair.Address(), prv, pub)
+
+	}
+}
+
+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)
+}