rpc: implement personal_importRawKey (#552)

tests/personal_test.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
+	ethcrypto "github.com/ethereum/go-ethereum/crypto"
 
 	"github.com/stretchr/testify/require"
 )
@@ -42,6 +43,24 @@ func TestPersonal_Sign(t *testing.T) {
 	// TODO: check that signature is same as with geth, requires importing a key
 }
 
+func TestPersonal_ImportRawKey(t *testing.T) {
+	privkey, err := ethcrypto.GenerateKey()
+	require.NoError(t, err)
+
+	// parse priv key to hex
+	hexPriv := common.Bytes2Hex(ethcrypto.FromECDSA(privkey))
+	rpcRes := call(t, "personal_importRawKey", []string{hexPriv, "password"})
+
+	var res hexutil.Bytes
+	err = json.Unmarshal(rpcRes.Result, &res)
+	require.NoError(t, err)
+
+	addr := ethcrypto.PubkeyToAddress(privkey.PublicKey)
+	resAddr := common.BytesToAddress(res)
+
+	require.Equal(t, addr.String(), resAddr.String())
+}
+
 func TestPersonal_EcRecover(t *testing.T) {
 	data := hexutil.Bytes{0x88}
 	rpcRes := call(t, "personal_sign", []interface{}{data, hexutil.Bytes(from), ""})
@@ -67,7 +86,7 @@ func TestPersonal_UnlockAccount(t *testing.T) {
 
 	// try to sign, should be locked
 	_, err = callWithError("personal_sign", []interface{}{hexutil.Bytes{0x88}, addr, ""})
-	require.NotNil(t, err)
+	require.Error(t, err)
 
 	rpcRes = call(t, "personal_unlockAccount", []interface{}{addr, ""})
 	var unlocked bool
@@ -104,5 +123,5 @@ func TestPersonal_LockAccount(t *testing.T) {
 
 	// try to sign, should be locked
 	_, err = callWithError("personal_sign", []interface{}{hexutil.Bytes{0x88}, addr, ""})
-	require.NotNil(t, err)
+	require.Error(t, err)
 }