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.

2 files changed, 102 insertions, 29 deletions

diff --git a/share/qt/Info.plist b/share/qt/Info.plist
index 6f64c3164b..f191402e83 100644
--- a/share/qt/Info.plist
+++ b/share/qt/Info.plist
@@ -2,36 +2,74 @@
 <!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
 <plist version="0.9">
 <dict>
-	<key>CFBundleIconFile</key>
-	<string>bitcoin.icns</string>
-	<key>CFBundlePackageType</key>
-	<string>APPL</string>
-	<key>CFBundleGetInfoString</key>
-	<string>$VERSION, Copyright © 2009-$YEAR The Bitcoin developers</string>
-	<key>CFBundleShortVersionString</key>
-	<string>$VERSION</string>
-	<key>CFBundleVersion</key>
-	<string>$VERSION</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
-	<key>CFBundleExecutable</key>
-	<string>Bitcoin-Qt</string>
-	<key>CFBundleIdentifier</key>
-	<string>org.bitcoinfoundation.Bitcoin-Qt</string>
-        <key>CFBundleURLTypes</key>
+  <key>CFBundleIconFile</key>
+  <string>bitcoin.icns</string>
+  <key>CFBundlePackageType</key>
+  <string>APPL</string>
+  <key>CFBundleGetInfoString</key>
+  <string>$VERSION, Copyright © 2009-$YEAR The Bitcoin developers</string>
+  <key>CFBundleShortVersionString</key>
+  <string>$VERSION</string>
+  <key>CFBundleVersion</key>
+  <string>$VERSION</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleExecutable</key>
+  <string>Bitcoin-Qt</string>
+  <key>CFBundleIdentifier</key>
+  <string>org.bitcoinfoundation.Bitcoin-Qt</string>
+
+  <key>CFBundleURLTypes</key>
+  <array>
+    <dict>
+      <key>CFBundleTypeRole</key>
+      <string>Editor</string>
+      <key>CFBundleURLName</key>
+      <string>org.bitcoin.BitcoinPayment</string>
+      <key>CFBundleURLSchemes</key>
+      <array>
+        <string>bitcoin</string>
+      </array>
+    </dict>
+  </array>
+
+  <key>UTExportedTypeDeclarations</key>
+  <array>
+    <dict>
+      <key>UTTypeIdentifier</key>
+      <string>org.bitcoin.paymentrequest</string>
+      <key>UTTypeDescription</key>
+      <string>Bitcoin payment request</string>
+      <key>UTTypeConformsTo</key>
+      <array>
+        <string>public.data</string>
+      </array>
+      <key>UTTypeTagSpecification</key>
+      <dict>
+        <key>public.mime-type</key>
+        <string>application/x-bitcoin-payment-request</string>
+        <key>public.filename-extension</key>
         <array>
-          <dict>
-            <key>CFBundleTypeRole</key>
-            <string>Editor</string>
-            <key>CFBundleURLName</key>
-            <string>org.bitcoinfoundation.BitcoinPayment</string>
-            <key>CFBundleURLSchemes</key>
-            <array>
-              <string>bitcoin</string>
-            </array>
-          </dict>
+          <string>bitcoinpaymentrequest</string>
         </array>
-	<key>NSHighResolutionCapable</key>
-	<true/>
+      </dict>
+    </dict>
+  </array>
+
+  <key>CFBundleDocumentTypes</key>
+  <array>
+    <dict>
+      <key>CFBundleTypeRole</key>
+      <string>Editor</string>
+      <key>LSItemContentTypes</key>
+      <array>
+        <string>org.bitcoin.paymentrequest</string>
+      </array>
+      <key>LSHandlerRank</key>
+      <string>Owner</string>
+    </dict>
+  </array>
+  <key>NSHighResolutionCapable</key>
+  <true/>
 </dict>
 </plist>
diff --git a/share/qt/protobuf.pri b/share/qt/protobuf.pri
new file mode 100644
index 0000000000..865fe86555
--- /dev/null
+++ b/share/qt/protobuf.pri
@@ -0,0 +1,35 @@
+# Based on: http://code.google.com/p/ostinato/source/browse/protobuf.pri
+#
+# Qt qmake integration with Google Protocol Buffers compiler protoc
+#
+# To compile protocol buffers with qt qmake, specify PROTOS variable and
+# include this file
+#
+# Example:
+# PROTOS = a.proto b.proto
+# include(protobuf.pri)
+#
+# Set PROTO_PATH if you need to set the protoc --proto_path search path
+# Set PROTOC to the path to the protoc compiler if it is not in your $PATH
+#
+
+isEmpty(PROTO_DIR):PROTO_DIR = .
+isEmpty(PROTOC):PROTOC = protoc
+
+PROTOPATHS =
+for(p, PROTO_PATH):PROTOPATHS += --proto_path=$${p}
+
+protobuf_decl.name  = protobuf header
+protobuf_decl.input = PROTOS
+protobuf_decl.output  = $${PROTO_DIR}/${QMAKE_FILE_BASE}.pb.h
+protobuf_decl.commands = $${PROTOC} --cpp_out="$${PROTO_DIR}" $${PROTOPATHS} --proto_path=${QMAKE_FILE_IN_PATH} ${QMAKE_FILE_NAME}
+protobuf_decl.variable_out = GENERATED_FILES
+QMAKE_EXTRA_COMPILERS += protobuf_decl
+
+protobuf_impl.name  = protobuf implementation
+protobuf_impl.input = PROTOS
+protobuf_impl.output  = $${PROTO_DIR}/${QMAKE_FILE_BASE}.pb.cc
+protobuf_impl.depends  = $${PROTO_DIR}/${QMAKE_FILE_BASE}.pb.h
+protobuf_impl.commands = $$escape_expand(\\n)
+protobuf_impl.variable_out = GENERATED_SOURCES
+QMAKE_EXTRA_COMPILERS += protobuf_impl