build: Add --disable-bip70 configure option

This patch adds a --disable-bip70 configure option that disables BIP70
payment request support. When disabled, this removes the dependency of
the GUI on OpenSSL and Protobuf.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/qt/walletmodel.h b/src/qt/walletmodel.h
index b22728c69b..ec4c5a2a6c 100644
--- a/src/qt/walletmodel.h
+++ b/src/qt/walletmodel.h
@@ -10,7 +10,13 @@
 #include <serialize.h>
 #include <script/standard.h>
 
+#if defined(HAVE_CONFIG_H)
+#include <config/bitcoin-config.h>
+#endif
+
+#ifdef ENABLE_BIP70
 #include <qt/paymentrequestplus.h>
+#endif
 #include <qt/walletmodeltransaction.h>
 
 #include <interfaces/wallet.h>
@@ -63,8 +69,14 @@ public:
     // If from a payment request, this is used for storing the memo
     QString message;
 
+#ifdef ENABLE_BIP70
     // If from a payment request, paymentRequest.IsInitialized() will be true
     PaymentRequestPlus paymentRequest;
+#else
+    // If building with BIP70 is disabled, keep the payment request around as
+    // serialized string to ensure load/store is lossless
+    std::string sPaymentRequest;
+#endif
     // Empty if no authentication or invalid signature/cert/etc.
     QString authenticatedMerchant;
 
@@ -80,9 +92,11 @@ public:
         std::string sAddress = address.toStdString();
         std::string sLabel = label.toStdString();
         std::string sMessage = message.toStdString();
+#ifdef ENABLE_BIP70
         std::string sPaymentRequest;
         if (!ser_action.ForRead() && paymentRequest.IsInitialized())
             paymentRequest.SerializeToString(&sPaymentRequest);
+#endif
         std::string sAuthenticatedMerchant = authenticatedMerchant.toStdString();
 
         READWRITE(this->nVersion);
@@ -98,8 +112,10 @@ public:
             address = QString::fromStdString(sAddress);
             label = QString::fromStdString(sLabel);
             message = QString::fromStdString(sMessage);
+#ifdef ENABLE_BIP70
             if (!sPaymentRequest.empty())
                 paymentRequest.parse(QByteArray::fromRawData(sPaymentRequest.data(), sPaymentRequest.size()));
+#endif
             authenticatedMerchant = QString::fromStdString(sAuthenticatedMerchant);
         }
     }