x402/setup.sh at main · PraneethGunas/x402 · GitHub

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#!/usr/bin/env bash
# Setup script for x402 L402 Feed Reader
#
# Prerequisites:
#   - Docker installed and running
#   - This repo cloned with submodules:
#     git clone --recurse-submodules <repo-url>
#
# Architecture:
#   litd (watch-only, Neutrino)  <--gRPC-->  lnd-signer (keys only)
#   No full Bitcoin node needed. Neutrino syncs via compact block filters.
#
# Credentials are stored at ~/.lnget/ and never committed to git.

set -e

TOOLS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/lightning-agent-tools" && pwd)"
LNGET_DIR="${LNGET_DIR:-$HOME/.lnget}"
CREDS_BUNDLE="$LNGET_DIR/signer/credentials-bundle"

cleanup() {
    echo ""
    echo "Setup failed at step above. Containers may be partially running."
    echo "To clean up: cd $TOOLS_DIR && skills/lnd/scripts/stop-lnd.sh"
}
trap cleanup ERR

echo "=== x402 Lightning Setup ==="
echo ""
echo "Using lightning-agent-tools at: $TOOLS_DIR"
echo ""

if ! command -v docker &>/dev/null; then
    echo "Error: Docker is required. Install it from https://docker.com"
    exit 1
fi

if ! docker info &>/dev/null; then
    echo "Error: Docker daemon is not running. Start Docker and try again."
    exit 1
fi

if [ ! -d "$TOOLS_DIR/skills" ]; then
    echo "Error: lightning-agent-tools submodule not initialized."
    echo "Run: git submodule update --init --recursive"
    exit 1
fi

cd "$TOOLS_DIR"

echo "--- Step 1/5: Installing Docker images ---"
skills/lnd/scripts/install.sh &
skills/lightning-security-module/scripts/install.sh &
wait
echo ""

echo "--- Step 2/5: Starting litd (watch-only) + signer ---"
skills/lnd/scripts/start-lnd.sh --watchonly
echo ""

echo "--- Step 3/5: Setting up signer wallet ---"
skills/lightning-security-module/scripts/setup-signer.sh --container litd-signer
echo ""

echo "--- Step 4/5: Importing credentials ---"
skills/lnd/scripts/import-credentials.sh --bundle "$CREDS_BUNDLE"
echo ""

# Workaround: create-wallet.sh doesn't define SCRIPT_DIR but sources
# $SCRIPT_DIR/../../lib/rest.sh — set it so the relative path resolves.
echo "--- Step 5/5: Creating watch-only wallet ---"
SCRIPT_DIR="$TOOLS_DIR/skills/lnd/scripts" skills/lnd/scripts/create-wallet.sh --container litd
echo ""

trap - ERR

echo "=== Setup Complete ==="
echo ""
echo "Node is syncing on testnet via Neutrino (no full Bitcoin node)."
echo "This may take a while to reach chain tip."
echo ""
echo "Check status:"
echo "  cd lightning-agent-tools && skills/lnd/scripts/lncli.sh getinfo"
echo ""
echo "Credentials stored at:"
echo "  $LNGET_DIR/lnd/    (watch-only node)"
echo "  $LNGET_DIR/signer/ (signer - KEEP SECURE)"
echo ""
echo "To stop:"
echo "  cd lightning-agent-tools && skills/lnd/scripts/stop-lnd.sh"