add MALLOC_ARENA_MAX=1 and other small adjustments

contrib/init/bitcoind.service

@@ -1,22 +0,0 @@
-[Unit]
-Description=Bitcoin's distributed currency daemon
-After=network.target
-
-[Service]
-User=bitcoin
-Group=bitcoin
-
-Type=forking
-PIDFile=/var/lib/bitcoind/bitcoind.pid
-ExecStart=/usr/bin/bitcoind -daemon -pid=/var/lib/bitcoind/bitcoind.pid \
--conf=/etc/bitcoin/bitcoin.conf -datadir=/var/lib/bitcoind -disablewallet
-
-Restart=always
-PrivateTmp=true
-TimeoutStopSec=60s
-TimeoutStartSec=2s
-StartLimitInterval=120s
-StartLimitBurst=5
-
-[Install]
-WantedBy=multi-user.target

contrib/init/blackmored.service

@@ -0,0 +1,30 @@
+[Unit]
+Description=Blackmore daemon
+After=network.target
+
+[Service]
+ExecStart=export MALLOC_ARENA_MAX=1 && /usr/local/bin/blackmored -daemon -conf=/var/lib/.blackmore/blackmore.conf -datadir=/var/lib/.blackmore
+ExecStop=/usr/local/bin/blackmored stop
+User=blackmore
+Group=blackmore
+Restart=on-failure
+
+# Because it's a daemon process
+Type=forking
+
+PIDFile=/var/lib/.bitmored/blackmored.pid
+
+ProtectHome=true
+ProtectSystem=full
+PrivateTmp=true
+PrivateDevices=true
+MemoryDenyWriteExecute=true
+NoNewPrivileges=true
+
+TimeoutStopSec=60s
+TimeoutStartSec=2s
+StartLimitInterval=120s
+StartLimitBurst=5
+
+[Install]
+WantedBy=multi-user.target