Add systemd setup

systemd/chaind-eth-queue@.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Chainqueue transaction dispatch interface
+Requires=chaind-eth-sync@.service
+After=chaind-eth-sync@.service
+
+[Service]
+Environment="SESSION_ID=%i"
+Environment="SESSION_RUNTIME_DIR=/run/user/%U/chaind/eth"
+ExecStart=%h/.local/bin/chaind-eth-server -v --session-id %i
+Restart=on-failure

systemd/chaind-eth-ready.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+>&2 echo "waiting for socket at $@ to become ready"
+while ! test -S $@; do
+	sleep 1s
+done

systemd/chaind-eth-sync@.service

@@ -0,0 +1,8 @@
+[Unit]
+Description=Ethereum chaind syncer
+
+[Service]
+Environment="SESSION_ID=%i"
+Environment="SESSION_RUNTIME_DIR=/run/user/%U/chaind/eth"
+ExecStart=%h/.local/bin/chaind-eth-syncer -v --session-id %i --skip-history
+Restart=on-failure

systemd/chaind-eth@.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Chaind socket activation
+Requires=chaind-eth-queue@.service
+After=chaind-eth-queue@.service
+
+[Service]
+Environment="SESSION_RUNTIME_DIR=/run/user/%U/chaind/eth/%i"
+ExecStartPre=/bin/bash /home/lash/.config/systemd/user/chaind-eth-ready.sh /run/user/%U/chaind/eth/%i/chaind.sock
+ExecStart=/usr/lib/systemd/systemd-socket-proxyd /run/user/%U/chaind/eth/%i/chaind.sock
+Restart=on-failure

systemd/chaind-eth@.socket

@@ -0,0 +1,9 @@
+[Unit]
+Description=Socket activation for 
+
+[Socket]
+ListenStream=63600
+Accept=no
+
+[Install]
+WantedBy=sockets.target

systemd/environment.d/01-chaind-eth.conf

@@ -0,0 +1,2 @@
+SESSION_CHAIN_SPEC=evm:ethereum:1
+RPC_ENDPOINT=http://localhost:8545