#!/usr/bin/env bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
source "$SCRIPT_DIR/_common.sh"

main() {
  need bitcoin-cli
  need xxd
  need jq
  # connectivity
  flag="$(net_flag)"
  bitcoin-cli $flag getblockchaininfo >/dev/null 2>&1 || die "bitcoin-cli cannot reach node (check RPC creds, network)."
  log_info "Preflight OK. Network=$BTC_NETWORK"
}
main "$@"