Add import of raw private key RPCs (#2942)

* Importing an account from raw secret

* Add jsapi & jsonrpc for personal_newAccountFromSecret

js/src/api/rpc/personal/personal.js

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-import { inAddress, inNumber10, inNumber16, inOptions } from '../../format/input';
+import { inAddress, inHex, inNumber10, inNumber16, inOptions } from '../../format/input';
 import { outAccountInfo, outAddress, outSignerRequest } from '../../format/output';
 
 export default class Personal {
@@ -73,6 +73,12 @@ export default class Personal {
       .then(outAddress);
   }
 
+  newAccountFromSecret (secret, password) {
+    return this._transport
+      .execute('personal_newAccountFromSecret', inHex(secret), password)
+      .then(outAddress);
+  }
+
   newAccountFromWallet (json, password) {
     return this._transport
       .execute('personal_newAccountFromWallet', json, password)

js/src/jsonrpc/interfaces/personal.js

@@ -141,7 +141,7 @@ export default {
   },
 
   newAccountFromPhrase: {
-    desc: 'Creates a new account from a brainwallet passphrase',
+    desc: 'Creates a new account from a recovery passphrase',
     params: [
       {
         type: String,
@@ -158,6 +158,24 @@ export default {
     }
   },
 
+  newAccountFromSecret: {
+    desc: 'Creates a new account from a private ethstore secret key',
+    params: [
+      {
+        type: Data,
+        desc: 'Secret, 32-byte hex'
+      },
+      {
+        type: String,
+        desc: 'Password'
+      }
+    ],
+    returns: {
+      type: Address,
+      desc: 'The created address'
+    }
+  },
+
   newAccountFromWallet: {
     desc: 'Creates a new account from a JSON import',
     params: [