From 74af7b1d0922e740c0358dfd131776fd7c877767 Mon Sep 17 00:00:00 2001
From: Adam Soltys <asoltys@gmail.com>
Date: Sun, 15 Mar 2026 22:49:17 +0000
Subject: adjust ln minfee

---
 scripts/monitor-ln-socket.sh | 90 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100755 scripts/monitor-ln-socket.sh

(limited to 'scripts/monitor-ln-socket.sh')

diff --git a/scripts/monitor-ln-socket.sh b/scripts/monitor-ln-socket.sh
new file mode 100755
index 00000000..66841f40
--- /dev/null
+++ b/scripts/monitor-ln-socket.sh
@@ -0,0 +1,90 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SOCKET_DIR="/home/adam/coinos-server/data/sockets"
+SOCKET_MAIN="$SOCKET_DIR/lightning-rpc"
+SOCKET_LISTEN="$SOCKET_DIR/lightning-rpc-listen"
+REMOTE_SOCKET="/home/adam/coinos-server/data/lightning/bitcoin/lightning-rpc"
+REMOTE_HOST="desk"
+
+log() {
+  echo "$(date '+%Y-%m-%d %H:%M:%S') [ln-socket-monitor] $*"
+}
+
+# Find SSH pids that are forwarding our sockets
+pid_main=$(pgrep -f "ssh.*-L ${SOCKET_MAIN}:${REMOTE_SOCKET} ${REMOTE_HOST}" 2>/dev/null || true)
+pid_listen=$(pgrep -f "ssh.*-L ${SOCKET_LISTEN}:${REMOTE_SOCKET} ${REMOTE_HOST}" 2>/dev/null || true)
+
+# Check if both processes are alive and both sockets exist
+if [[ -n "$pid_main" && -n "$pid_listen" && -S "$SOCKET_MAIN" && -S "$SOCKET_LISTEN" ]]; then
+  exit 0
+fi
+
+# Something is wrong - log what we found
+if [[ -z "$pid_main" ]]; then
+  log "main SSH forward is dead"
+elif [[ ! -S "$SOCKET_MAIN" ]]; then
+  log "main socket file missing"
+fi
+
+if [[ -z "$pid_listen" ]]; then
+  log "listen SSH forward is dead"
+elif [[ ! -S "$SOCKET_LISTEN" ]]; then
+  log "listen socket file missing"
+fi
+
+# Kill any remaining SSH forwards for our sockets
+for pid in $pid_main $pid_listen; do
+  if [[ -n "$pid" ]]; then
+    log "killing stale SSH forward (pid $pid)"
+    kill "$pid" 2>/dev/null || true
+  fi
+done
+
+# Brief wait for processes to exit
+sleep 1
+
+# Clean up socket files
+for sock in "$SOCKET_MAIN" "$SOCKET_LISTEN"; do
+  if [[ -e "$sock" ]]; then
+    log "removing stale socket $sock"
+    rm -f "$sock"
+  fi
+done
+
+# Ensure socket directory exists
+mkdir -p "$SOCKET_DIR"
+
+# Re-establish both SSH forwards
+log "starting main SSH forward"
+ssh -nNT -o ExitOnForwardFailure=yes \
+  -L "${SOCKET_MAIN}:${REMOTE_SOCKET}" "$REMOTE_HOST" &
+
+log "starting listen SSH forward"
+ssh -nNT -o ExitOnForwardFailure=yes \
+  -L "${SOCKET_LISTEN}:${REMOTE_SOCKET}" "$REMOTE_HOST" &
+
+# Wait briefly for sockets to appear
+for i in 1 2 3 4 5; do
+  if [[ -S "$SOCKET_MAIN" && -S "$SOCKET_LISTEN" ]]; then
+    break
+  fi
+  sleep 1
+done
+
+# Set permissions on sockets
+if [[ -S "$SOCKET_MAIN" ]]; then
+  chmod 777 "$SOCKET_MAIN"
+  log "set permissions on $SOCKET_MAIN"
+else
+  log "WARNING: $SOCKET_MAIN did not appear after 5s"
+fi
+
+if [[ -S "$SOCKET_LISTEN" ]]; then
+  chmod 777 "$SOCKET_LISTEN"
+  log "set permissions on $SOCKET_LISTEN"
+else
+  log "WARNING: $SOCKET_LISTEN did not appear after 5s"
+fi
+
+log "SSH forwards re-established"
-- 
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