{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import plyvel\n",
    "\n",
    "%run -i read_tree.py"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# db = plyvel.DB('../testnode/nodedir/data/application.db')\n",
    "max_height(db)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "[k for k, v in iterate(db, 's/k:mint/', 5224815)]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "parse_struct(next(iterate(db, 's/k:mint/', 5224815, field = 138))[1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "[k for k,v in iterate(db, 's/k:emissions/', 5224815, start = [62, 60], end = [62, 61], format = 'Qss')]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "lens = np.zeros(256, dtype = int)\n",
    "\n",
    "with plyvel.DB('../testnode/nodedir/data/application.db') as db:\n",
    "    height = max_height(db)\n",
    "    for field in range(255):\n",
    "        count1 = indexof(db, 's/k:emissions/', height, '', [field])\n",
    "        count2 = indexof(db, 's/k:emissions/', height, '', [field+1])\n",
    "        lens[field] = count2 - count1\n",
    "\n",
    "np.argsort(lens)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# def has_prefix(db, prefix: bytes) -> bool:\n",
    "#     it = db.iterator(start = prefix)\n",
    "#     try:\n",
    "#         first_key, _ = next(it)\n",
    "#         return first_key.startswith(prefix)\n",
    "#     except StopIteration:\n",
    "#         return False\n",
    "#     finally:\n",
    "#         it.close()\n",
    "\n",
    "# found = []\n",
    "# prefixes = [b's/']\n",
    "\n",
    "# for i in range(20):\n",
    "#     new_prefixes = []\n",
    "\n",
    "#     for p in prefixes:\n",
    "#         for i in range(256):\n",
    "#             b = p + bytes([i])\n",
    "#             if has_prefix(db, b):\n",
    "#                 if b.endswith(b'/'):\n",
    "#                     found.append((b, db.approximate_size(b, b + b'\\xff')))\n",
    "#                 else:\n",
    "#                     new_prefixes.append(b)\n",
    "#                 # new_prefixes.append(b)\n",
    "\n",
    "#     prefixes = new_prefixes\n",
    "\n",
    "# found"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.13.7"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}