Payment Protocol: X509-validated payment requests

Add support for a Payment Protocol to Bitcoin-Qt.

Payment messages are protocol-buffer encoded and communicated over
http(s), so this adds a dependency on the Google protocol buffer
library, and requires Qt with OpenSSL support.

1 files changed, 4 insertions, 2 deletions

diff --git a/src/wallet.h b/src/wallet.h
index 8b9ccaf5cb..d47416d272 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -69,9 +69,11 @@ class CAddressBookData
 {
 public:
     std::string name;
+    std::string purpose;
 
     CAddressBookData()
     {
+        purpose = "unknown";
     }
 };
 
@@ -294,9 +296,9 @@ public:
 
     DBErrors LoadWallet(bool& fFirstRunRet);
 
-    bool SetAddressBookName(const CTxDestination& address, const std::string& strName);
+    bool SetAddressBook(const CTxDestination& address, const std::string& strName, const std::string& purpose);
 
-    bool DelAddressBookName(const CTxDestination& address);
+    bool DelAddressBook(const CTxDestination& address);
 
     void UpdatedTransaction(const uint256 &hashTx);