Deprecate parcelSigner and parcelFee options in the SDK constructor

It confuses that the parcelSigner option only works with sendParcel() in spite
of there is signParcel(). Also, the option isn't used anywhere in the examples.

Author: joojis

src/index.ts

@@ -39,25 +39,37 @@ class SDK {
     /**
      * @param params.server HTTP RPC server address
      * @param params.keyStoreType Specify the type of the keystore. The default value is "local". It creates keystore.db file on the working directory.
-     * @param params.options.networkId The network id of CodeChain. The default value is "tc" (testnet)
-     * @param params.options.parcelSigner The default account to sign the parcel
-     * @param params.options.parcelFee The default amount for the parcel fee
+     * @param params.networkId The network id of CodeChain. The default value is "tc" (testnet)
      */
     constructor(params: {
         server: string;
         keyStoreType?: KeyStoreType;
+        networkId?: NetworkId;
+        // Deprecated. It will be removed at 0.2.0
         options?: {
             networkId?: NetworkId;
             parcelSigner?: string;
             parcelFee?: number;
         };
     }) {
-        const { server, keyStoreType = "local", options = {} } = params;
-        const { networkId = "tc", parcelSigner, parcelFee = 10 } = options;
+        const {
+            server,
+            keyStoreType = "local",
+            networkId = "tc",
+            options
+        } = params;
+        const {
+            networkId: networkIdOpt,
+            parcelSigner,
+            parcelFee = 10
+        } = options || { networkId: undefined, parcelSigner: undefined };
 
         this.rpc = new Rpc({ server, options: { parcelSigner, parcelFee } });
-        this.core = new Core({ networkId });
-        this.key = new Key({ networkId, keyStoreType });
+        this.core = new Core({ networkId: networkIdOpt || networkId });
+        this.key = new Key({
+            networkId: networkIdOpt || networkId,
+            keyStoreType
+        });
     }
 }