paypro: example - add --address and --pubkey options. document in readme.

examples/PayPro/README.md

@@ -45,7 +45,12 @@ Customer: Message from Merchant: Thank you for your payment!
 Customer: Payment sent successfully.
 ```
 
-## Changing the server address in outputs
+## Changing the server address contained in outputs
+
+If you want to alter the address or public key the testnet coins get sent to by
+the payment server, you can pass in the `--pubkey` or `--address` options.
+`address` has to be a testnet address, whereas `pubkey` is a hex encoded public
+key.
 
 ## Other Options
 

examples/PayPro/server.js

@@ -141,34 +141,47 @@ app.get('/-/request', function(req, res, next) {
     // number of satoshis to be paid
     po.set('amount', value);
     // a TxOut script where the payment should be sent. similar to OP_CHECKSIG
-    po.set('script', new Buffer([
+    if (argv.pubkey || argv.address) {
-      118, // OP_DUP
+      var pubKey;
-      169, // OP_HASH160
+      if (argv.address) {
-      76,  // OP_PUSHDATA1
+        pubKey = bitcore.Base58Check.decode(new Buffer(argv.address));
-      20,  // number of bytes
+      } else {
-      55,
+        pubKey = new Buffer(argv.pubkey, 'hex');
-      48,
+      }
-      254,
+      var pubKeyHash = bitcore.util.sha256ripe160(pubKey);
-      188,
+      var address = new bitcore.Address(pubKeyHash, 'testnet');
-      186,
+      var scriptPubKey = addr.getScriptPubKey();
-      4,
+      po.set('script', scriptPubKey.getBuffer());
-      186,
+    } else {
-      208,
+      po.set('script', new Buffer([
-      205,
+        118, // OP_DUP
-      71,
+        169, // OP_HASH160
-      108,
+        76,  // OP_PUSHDATA1
-      251,
+        20,  // number of bytes
-      130,
+        55,
-      15,
+        48,
-      156,
+        254,
-      55,
+        188,
-      215,
+        186,
-      70,
+        4,
-      111,
+        186,
-      217,
+        208,
-      136, // OP_EQUALVERIFY
+        205,
-      172  // OP_CHECKSIG
+        71,
-    ]));
+        108,
+        251,
+        130,
+        15,
+        156,
+        55,
+        215,
+        70,
+        111,
+        217,
+        136, // OP_EQUALVERIFY
+        172  // OP_CHECKSIG
+      ]));
+    }
     outputs.push(po.message);
   });