File twenty15coin-boost1.patch of Package twenty15coin

--- src/bitcoinrpc.cpp	2014-12-26 10:34:54.000000000 +0100
+++ bitcoinrpc.cpp	2019-10-27 16:58:20.009763906 +0100
@@ -597,7 +597,7 @@
     }
     bool connect(const std::string& server, const std::string& port)
     {
-        ip::tcp::resolver resolver(stream.get_io_service());
+        ip::tcp::resolver resolver((boost::asio::io_context&)stream.get_executor().context());
         ip::tcp::resolver::query query(server.c_str(), port.c_str());
         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
         ip::tcp::resolver::iterator end;
@@ -703,7 +703,7 @@
                    const bool fUseSSL)
 {
     // Accept connection
-    AcceptedConnectionImpl<Protocol>* conn = new AcceptedConnectionImpl<Protocol>(acceptor->get_io_service(), context, fUseSSL);
+    AcceptedConnectionImpl<Protocol>* conn = new AcceptedConnectionImpl<Protocol>((boost::asio::io_context&)acceptor->get_executor().context(), context, fUseSSL);
 
     acceptor->async_accept(
             conn->sslStream.lowest_layer(),
@@ -799,7 +799,7 @@
 
     asio::io_service io_service;
 
-    ssl::context context(io_service, ssl::context::sslv23);
+    ssl::context context(ssl::context::sslv23);
     if (fUseSSL)
     {
         context.set_options(ssl::context::no_sslv2);
@@ -815,7 +815,7 @@
         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pathPKFile.string().c_str());
 
         string strCiphers = GetArg("-rpcsslciphers", "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
-        SSL_CTX_set_cipher_list(context.impl(), strCiphers.c_str());
+        SSL_CTX_set_cipher_list(context.native_handle(), strCiphers.c_str());
     }
 
     // Try a dual IPv6/IPv4 socket, falling back to separate IPv4 and IPv6 sockets
@@ -1110,7 +1110,7 @@
     // Connect to localhost
     bool fUseSSL = GetBoolArg("-rpcssl");
     asio::io_service io_service;
-    ssl::context context(io_service, ssl::context::sslv23);
+    ssl::context context(ssl::context::sslv23);
     context.set_options(ssl::context::no_sslv2);
     asio::ssl::stream<asio::ip::tcp::socket> sslStream(io_service, context);
     SSLIOStreamDevice<asio::ip::tcp> d(sslStream, fUseSSL);
--- twenty15-qt.pro	2014-12-26 10:34:54.000000000 +0100
+++ twenty15-qt.pro	2018-07-11 21:19:09.203311930 +0200
@@ -458,7 +458,7 @@
 LIBS += -lssl -lcrypto -ldb_cxx$$BDB_LIB_SUFFIX
 # -lgdi32 has to happen after -lcrypto (see  #681)
 windows:LIBS += -lws2_32 -lshlwapi -lmswsock -lole32 -loleaut32 -luuid -lgdi32
-LIBS += -lboost_system$$BOOST_LIB_SUFFIX -lboost_filesystem$$BOOST_LIB_SUFFIX -lboost_program_options$$BOOST_LIB_SUFFIX -lboost_thread$$BOOST_THREAD_LIB_SUFFIX
+LIBS += -lboost_system$$BOOST_LIB_SUFFIX -lboost_filesystem$$BOOST_LIB_SUFFIX -lboost_program_options$$BOOST_LIB_SUFFIX -lboost_chrono$$BOOST_LIB_SUFFIX -lboost_thread$$BOOST_THREAD_LIB_SUFFIX
 windows:LIBS += -lboost_chrono$$BOOST_LIB_SUFFIX
 
 contains(RELEASE, 1) {
--- src/makefile.unix	2014-12-26 10:34:54.000000000 +0100
+++ makefile.unix	2018-07-11 21:18:45.523312128 +0200
@@ -28,6 +28,7 @@
    -l boost_system$(BOOST_LIB_SUFFIX) \
    -l boost_filesystem$(BOOST_LIB_SUFFIX) \
    -l boost_program_options$(BOOST_LIB_SUFFIX) \
+   -l boost_chrono$(BOOST_LIB_SUFFIX) \
    -l boost_thread$(BOOST_LIB_SUFFIX) \
    -l db_cxx$(BDB_LIB_SUFFIX) \
    -l ssl \