#!/usr/bin/env bash
# The determinism gate: fetch every production ledger and replay it with the
# LOCAL engine, comparing each room with what the server shows. A ledger the
# new engine replays differently would rewrite a duel in progress when the
# server restarts, so this runs before every deploy.
#   deploy/verify-ledgers.sh <droplet-ip-or-host> [https://site]
set -euo pipefail
HOST="${1:?usage: verify-ledgers.sh <droplet-ip-or-host> [https://site]}"
SITE="${2:-https://hands.kestrelsnest.social}"
DIR="$(mktemp -d)"
trap 'rm -rf "$DIR"' EXIT
rsync -az "root@$HOST:/var/lib/waving-hands/rooms/" "$DIR/"
npx tsx deploy/replay-ledgers.ts "$DIR" "$SITE"