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token-gated-economy/scripts/bitcoin-ln-node/get-lnbits-key.sh

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#!/usr/bin/env bash
# =============================================================================
# Timmy node — fetch LNbits admin API key
#
# Run this after LNbits is up and your LND wallet is initialised.
# Prints LNBITS_URL and LNBITS_API_KEY to paste into Replit secrets.
#
# Compatibility:
# LNbits < 0.12 — auto-creates a wallet via superuser API
# LNbits >= 0.12 — superuser API removed; walks you through the Admin UI
# =============================================================================
set -euo pipefail
LNBITS_LOCAL="http://127.0.0.1:5000"
LNBITS_DATA_DIR="$HOME/.lnbits-data"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
SECRETS_FILE="$SCRIPT_DIR/.node-secrets"
GREEN='\033[0;32m'; CYAN='\033[0;36m'; YELLOW='\033[1;33m'; RED='\033[0;31m'; NC='\033[0m'
info() { echo -e "${CYAN}[keys]${NC} $*"; }
ok() { echo -e "${GREEN}[ok]${NC} $*"; }
warn() { echo -e "${YELLOW}[warn]${NC} $*"; }
die() { echo -e "${RED}[error]${NC} $*" >&2; exit 1; }
# ─── Helpers ─────────────────────────────────────────────────────────────────
# Return 0 (true) if $1 >= $2 (semver comparison, macOS/BSD-safe)
# Uses python3 when available (already required for JSON parsing elsewhere),
# otherwise falls back to pure-bash numeric major.minor.patch comparison.
version_gte() {
local v1="$1" v2="$2"
if command -v python3 &>/dev/null; then
python3 - "$v1" "$v2" <<'PYEOF'
import sys
def parse(v):
parts = v.strip().split(".")
return [int(x) for x in (parts + ["0","0","0"])[:3]]
sys.exit(0 if parse(sys.argv[1]) >= parse(sys.argv[2]) else 1)
PYEOF
else
# Pure-bash fallback: split on dots, compare numerically
local IFS=.
# shellcheck disable=SC2206
local a=($v1) b=($v2)
for i in 0 1 2; do
local av="${a[$i]:-0}" bv="${b[$i]:-0}"
if (( av > bv )); then return 0; fi
if (( av < bv )); then return 1; fi
done
return 0 # equal
fi
}
# Print the export template the operator needs to paste into Replit Secrets
print_export_template() {
local api_key="${1:-<paste-admin-key-here>}"
echo ""
echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo -e "${GREEN} Paste these into Replit Secrets:${NC}"
echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo ""
echo " export LNBITS_URL=\"http://bore.pub:<PORT>\" ← bore port from expose.sh"
echo " export LNBITS_API_KEY=\"${api_key}\""
echo ""
}
# ─── Step 1: Confirm LNbits is reachable ─────────────────────────────────────
info "Checking LNbits at $LNBITS_LOCAL"
HEALTH_JSON="$(curl -sf --max-time 6 "$LNBITS_LOCAL/api/v1/health" 2>/dev/null || true)"
if [[ -z "$HEALTH_JSON" ]]; then
warn "LNbits is not reachable at $LNBITS_LOCAL (is it running?)."
warn "Showing manual setup instructions — run this script again once LNbits is up."
echo ""
echo " Start LNbits, then re-run:"
echo " bash $SCRIPT_DIR/get-lnbits-key.sh"
echo ""
print_export_template
exit 0
fi
# ─── Step 2: Detect LNbits version ───────────────────────────────────────────
LNBITS_VERSION=""
if command -v python3 &>/dev/null; then
LNBITS_VERSION="$(echo "$HEALTH_JSON" \
| python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('server_version',''))" \
2>/dev/null || true)"
fi
if [[ -z "$LNBITS_VERSION" ]]; then
warn "Could not parse server_version from health endpoint — assuming modern LNbits (>= 0.12)."
LNBITS_VERSION="0.12.0"
fi
info "LNbits version: ${LNBITS_VERSION}"
# ─── Step 3: Version-branched key retrieval ───────────────────────────────────
if version_gte "$LNBITS_VERSION" "0.12.0"; then
# ── LNbits >= 0.12 ─────────────────────────────────────────────────────────
# The superuser wallet API (POST /api/v1/wallet with X-Api-Key: <superuser>)
# was removed in 0.12. Use the Admin UI instead.
echo ""
warn "LNbits ${LNBITS_VERSION} — superuser API removed. Use the Admin UI:"
echo ""
echo " 1. Open the LNbits Admin UI in your browser:"
echo " ${LNBITS_LOCAL}/admin"
echo ""
echo " 2. In the Admin UI sidebar, click Users → Create User"
echo " Name: Timmy"
echo " This creates a new user with a default wallet."
echo ""
echo " 3. Click on the Timmy user → open their wallet."
echo ""
echo " 4. In the wallet page, click the key icon (API Info)."
echo " Copy the Admin key (not the Invoice key)."
echo ""
echo " 5. Paste the Admin key into Replit Secrets as LNBITS_API_KEY."
echo ""
print_export_template
else
# ── LNbits < 0.12 ──────────────────────────────────────────────────────────
# Superuser API available — try to auto-create a Timmy wallet.
info "LNbits ${LNBITS_VERSION} — attempting automatic wallet creation…"
# Locate the super user ID (env file or secrets file)
SUPER_USER=""
if [[ -f "$LNBITS_DATA_DIR/.env" ]]; then
SUPER_USER="$(grep LNBITS_SUPER_USER "$LNBITS_DATA_DIR/.env" \
| cut -d= -f2 | tr -d '"' || true)"
fi
[[ -f "$SECRETS_FILE" ]] && source "$SECRETS_FILE"
SUPER_USER="${SUPER_USER:-${LNBITS_SUPER_USER:-}}"
if [[ -z "$SUPER_USER" ]]; then
# Last resort: grep the startup log for the first-run superuser line
LOG_FILE="$HOME/Library/Logs/timmy-node/lnbits.log"
if [[ -f "$LOG_FILE" ]]; then
SUPER_USER="$(grep -oE "super user id: [a-f0-9]+" "$LOG_FILE" \
| tail -1 | awk '{print $4}' || true)"
fi
fi
if [[ -z "$SUPER_USER" ]]; then
warn "Could not locate LNbits super user ID automatically."
echo ""
echo " Visit ${LNBITS_LOCAL} and:"
echo " 1. Create a wallet"
echo " 2. Go to Wallet → API Info"
echo " 3. Copy the Admin key"
echo ""
print_export_template
exit 0
fi
info "Super user ID: ${SUPER_USER}"
# Create the Timmy wallet via superuser API
WALLET_RESPONSE="$(curl -sf -X POST "$LNBITS_LOCAL/api/v1/wallet" \
-H "Content-Type: application/json" \
-H "X-Api-Key: $SUPER_USER" \
-d '{"name":"Timmy"}' 2>/dev/null || true)"
if [[ -n "$WALLET_RESPONSE" ]]; then
ADMIN_KEY="$(echo "$WALLET_RESPONSE" \
| python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('adminkey',''))" \
2>/dev/null || true)"
INKEY="$(echo "$WALLET_RESPONSE" \
| python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('inkey',''))" \
2>/dev/null || true)"
WALLET_ID="$(echo "$WALLET_RESPONSE" \
| python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('id',''))" \
2>/dev/null || true)"
if [[ -n "$ADMIN_KEY" ]]; then
ok "Timmy wallet created (ID: ${WALLET_ID})"
echo " Invoice key (read-only): ${INKEY}"
# Append to secrets file so future runs can skip this step
cat >> "$SECRETS_FILE" <<EOF
LNBITS_WALLET_ID="${WALLET_ID}"
LNBITS_ADMIN_KEY="${ADMIN_KEY}"
LNBITS_INVOICE_KEY="${INKEY}"
EOF
ok "Keys saved to ${SECRETS_FILE}"
print_export_template "$ADMIN_KEY"
exit 0
fi
fi
# Wallet API call failed even though super user was found
warn "Wallet creation API call failed."
echo ""
echo " Visit ${LNBITS_LOCAL} and:"
echo " 1. Create a wallet named 'Timmy'"
echo " 2. Wallet → API Info → copy Admin key"
echo ""
print_export_template
fi
exit 0