#!/usr/bin/env bash
set -euo pipefail
log_info(){ echo "[INFO]  $(date -Iseconds) $*"; }
log_warn(){ echo "[WARN]  $(date -Iseconds) $*" >&2; }
log_error(){ echo "[ERROR] $(date -Iseconds) $*" >&2; }
need(){ command -v "$1" >/dev/null 2>&1 || { log_error "Missing tool: $1"; return 1; }; }

json_escape() {
  local s="$1"
  s="${s//\\/\\\\}"; s="${s//\"/\\\"}"; s="${s//$'\n'/\\n}"
  printf "%s" "$s"
}

net_flag() {
  : "${BTC_NETWORK:=testnet}"
  case "$BTC_NETWORK" in
    mainnet) echo "" ;;
    testnet) echo "-testnet" ;;
    signet) echo "-signet" ;;
    *) echo "-testnet" ;;
  esac
}