Added geth node service for deployment

crawlers/deploy/ethereum-node.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=Ethereum node Geth client
+After=network.target
+
+[Service]
+User=ubuntu
+Group=www-data
+EnvironmentFile=/home/ubuntu/moonstream-secrets/app.env
+ExecStart=/usr/bin/geth --syncmode full \
+    --port 41381 --datadir /mnt/disks/nodes/ethereum \
+    --txpool.globalslots 950000 --txpool.globalqueue 50000 \
+    --http --http.port 18375 --http.api eth,web3,txpool
+ExecStop=/bin/kill -s SIGINT -$MAINPID
+SyslogIdentifier=ethereum-node
+
+[Install]
+WantedBy=multi-user.target

crawlers/deploy/ethereum-trending.service

@@ -7,5 +7,5 @@ Type=oneshot
 User=ubuntu
 Group=www-data
 WorkingDirectory=/home/ubuntu/moonstream/crawlers/mooncrawl
-EnvironmentFile=/home/ubuntu/mooncrawl-secrets/app.env
-ExecStart=/usr/bin/bash -c '/home/ubuntu/mooncrawl-env/bin/python -m mooncrawl.ethcrawler trending'
+EnvironmentFile=/home/ubuntu/moonstream-secrets/app.env
+ExecStart=/usr/bin/bash -c '/home/ubuntu/moonstream-env/bin/python -m mooncrawl.ethcrawler trending'

crawlers/deploy/ethereum-txpool.service

@@ -6,7 +6,8 @@ After=network.target
 User=ubuntu
 Group=www-data
 WorkingDirectory=/home/ubuntu/moonstream/crawlers/ethtxpool
-ExecStart=/home/ubuntu/moonstream/crawlers/ethtxpool/ethtxpool
+EnvironmentFile=/home/ubuntu/moonstream-secrets/app.env
+ExecStart=/home/ubuntu/moonstream/crawlers/ethtxpool/ethtxpool -geth http://127.0.0.1:"${MOONSTREAM_GETH_HTTP_PORT}"
 SyslogIdentifier=ethereum-txpool
 
 [Install]