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

@@ -141,6 +141,18 @@ 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
+    if (argv.pubkey || argv.address) {
+      var pubKey;
+      if (argv.address) {
+        pubKey = bitcore.Base58Check.decode(new Buffer(argv.address));
+      } else {
+        pubKey = new Buffer(argv.pubkey, 'hex');
+      }
+      var pubKeyHash = bitcore.util.sha256ripe160(pubKey);
+      var address = new bitcore.Address(pubKeyHash, 'testnet');
+      var scriptPubKey = addr.getScriptPubKey();
+      po.set('script', scriptPubKey.getBuffer());
+    } else {
       po.set('script', new Buffer([
         118, // OP_DUP
         169, // OP_HASH160
@@ -169,6 +181,7 @@ app.get('/-/request', function(req, res, next) {
         136, // OP_EQUALVERIFY
         172  // OP_CHECKSIG
       ]));
+    }
     outputs.push(po.message);
   });