multi: add script to connect to nodes in flagship dockerfile

README.md

@@ -101,6 +101,8 @@ The following utilities are available for your convenience:
 * `source ./lncli.sh` provides aliases for your LND nodes (`lncli0`, 
   `lncli1`, `lncli2`)
 * `./fund.sh` funds each of your LND nodes.
+* `./connect_nodes.sh` connects the attacking nodes to the network 
+   so that they can sync gossip.
 * `bitcoin-cli` provides access to the bitcoin node that all three 
   LND nodes are connected to.
 

setup/Dockerfile

@@ -41,5 +41,8 @@ COPY lncli.sh /lncli.sh
 COPY fund.sh /fund.sh
 RUN chmod +x fund.sh
 
+COPY connect_nodes.sh /connect_nodes.sh
+RUN chmod +x connect_nodes.sh
+
 # Set entrypoint to just sleep indefinitely - attackers will run their own scripts.
 ENTRYPOINT ["bash", "-c", "while true; do sleep 30; done;"]

setup/connect_nodes.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Path to the nodes.txt file
+nodes_file="credentials/nodes.txt"
+
+# Check if nodes.txt exists
+if [ ! -f "$nodes_file" ]; then
+    echo "Error: nodes.txt file not found."
+    exit 1
+fi
+
+lncli0="lncli --network=regtest --tlscertpath=/credentials/lnd0-tls.cert --macaroonpath=/credentials/lnd0-admin.macaroon --rpcserver=lightning-0.warnet-armada "
+lncli1="lncli --network=regtest --tlscertpath=/credentials/lnd1-tls.cert --macaroonpath=/credentials/lnd1-admin.macaroon --rpcserver=lightning-1.warnet-armada "
+lncli2="lncli --network=regtest --tlscertpath=/credentials/lnd2-tls.cert --macaroonpath=/credentials/lnd2-admin.macaroon --rpcserver=lightning-2.warnet-armada "
+
+# Iterate through each line in nodes.txt
+while IFS= read -r line; do
+    echo "Connecting nodes to $line"
+    # Call lncli connect with the extracted string
+    $lncli0 connect "$line"
+    $lncli1 connect "$line"
+    $lncli2 connect "$line"
+done < "$nodes_file"