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, 12 insertions, 1 deletions

diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index f7cc94ae32..71b2d321e2 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -2,6 +2,10 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
+#if defined(HAVE_CONFIG_H)
+#include <config/bitcoin-config.h>
+#endif
+
 #include <qt/walletmodel.h>
 
 #include <qt/addresstablemodel.h>
@@ -142,6 +146,7 @@ WalletModel::SendCoinsReturn WalletModel::prepareTransaction(WalletModelTransact
         if (rcp.fSubtractFeeFromAmount)
             fSubtractFeeFromAmount = true;
 
+#ifdef ENABLE_BIP70
         if (rcp.paymentRequest.IsInitialized())
         {   // PaymentRequest...
             CAmount subtotal = 0;
@@ -164,6 +169,7 @@ WalletModel::SendCoinsReturn WalletModel::prepareTransaction(WalletModelTransact
             total += subtotal;
         }
         else
+#endif
         {   // User-entered bitcoin address / amount:
             if(!validateAddress(rcp.address))
             {
@@ -235,6 +241,7 @@ WalletModel::SendCoinsReturn WalletModel::sendCoins(WalletModelTransaction &tran
         std::vector<std::pair<std::string, std::string>> vOrderForm;
         for (const SendCoinsRecipient &rcp : transaction.getRecipients())
         {
+#ifdef ENABLE_BIP70
             if (rcp.paymentRequest.IsInitialized())
             {
                 // Make sure any payment requests involved are still valid.
@@ -247,7 +254,9 @@ WalletModel::SendCoinsReturn WalletModel::sendCoins(WalletModelTransaction &tran
                 rcp.paymentRequest.SerializeToString(&value);
                 vOrderForm.emplace_back("PaymentRequest", std::move(value));
             }
-            else if (!rcp.message.isEmpty()) // Message from normal bitcoin:URI (bitcoin:123...?message=example)
+            else
+#endif
+            if (!rcp.message.isEmpty()) // Message from normal bitcoin:URI (bitcoin:123...?message=example)
                 vOrderForm.emplace_back("Message", rcp.message.toStdString());
         }
 
@@ -266,7 +275,9 @@ WalletModel::SendCoinsReturn WalletModel::sendCoins(WalletModelTransaction &tran
     for (const SendCoinsRecipient &rcp : transaction.getRecipients())
     {
         // Don't touch the address book when we have a payment request
+#ifdef ENABLE_BIP70
         if (!rcp.paymentRequest.IsInitialized())
+#endif
         {
             std::string strAddress = rcp.address.toStdString();
             CTxDestination dest = DecodeDestination(strAddress);