Let version returned from getnetworkinfo be an int

lib/node/rpc.js

@@ -302,8 +302,15 @@ class RPC extends RPCBase {
       });
     }
 
+    const versionToInt = (version) => {
+        const majorminor = version.split('.', 3);
+        return majorminor[0] * 1000000
+            + majorminor[1] * 10000
+            + majorminor[2] * 100;
+    };
+
     return {
-      version: pkg.version,
+      version: versionToInt(pkg.version),
       subversion: this.pool.options.agent,
       protocolversion: this.pool.options.version,
       localservices: hex32(this.pool.options.services),

test/http-test.js

@@ -258,6 +258,11 @@ describe('HTTP', function() {
     });
   });
 
+  it('should get version as int from getnetworkinfo', async () => {
+    const info = await nclient.execute('getnetworkinfo', []);
+    assert.typeOf(info.version, 'number');
+  });
+
   it('should cleanup', async () => {
     consensus.COINBASE_MATURITY = 100;
     await wallet.close();