{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Uniswap V3 Tutorial\n",
    "\n",
    "This tutorial shows how to use Uniswap V3 with Dexsnake. Let's start by connecting to the blockchain (here, we use [Base](https://www.base.org/) for its relatively low transaction fees)."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "\n",
    "from web3 import Web3\n",
    "\n",
    "\n",
    "# the code below assumes you have configured the required environment variables\n",
    "account = os.getenv(\"WEB3_PUBLIC_KEY\")\n",
    "private_key = os.getenv(\"WEB3_PRIVATE_KEY\")\n",
    "provider_url = os.getenv(\"WEB3_PROVIDER_URL\")\n",
    "\n",
    "web3 = Web3(Web3.HTTPProvider(provider_url))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Now, let's import `UniswapV3Factory` and find the pair with USDC and WETH."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0x6c561B446416E1A00E8E93E221854d6eA4171372\n"
     ]
    }
   ],
   "source": [
    "from dexsnake.uniswap_v3 import UniswapV3Factory\n",
    "\n",
    "\n",
    "factory = UniswapV3Factory(web3)\n",
    "\n",
    "USDC_address = \"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\"\n",
    "WETH_address = \"0x4200000000000000000000000000000000000006\"\n",
    "fee = 3000\n",
    "\n",
    "pool_address = factory.get_pool(USDC_address, WETH_address, fee)\n",
    "\n",
    "print(pool_address)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Now, let's initialize the pool object and fetch the pool's price."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Price of 1 WETH: 2588.978258128007 USDC\n"
     ]
    }
   ],
   "source": [
    "from dexsnake.uniswap_v3 import UniswapV3Pool\n",
    "\n",
    "\n",
    "pool = UniswapV3Pool(web3, pool_address)\n",
    "\n",
    "price = pool.get_price()\n",
    "\n",
    "print(f\"Price of 1 {pool.token_0.symbol}: {price} {pool.token_1.symbol}\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Now that we know the price, let's use the router to swap one USDC for WETH. Note that before you can make the trade, you must approve the router contract to spend your USDC."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "AttributeDict({'blockHash': HexBytes('0xf0f897bcaf7d1e068a6f744f18ae8b68c2165c90a1a3f7cb98a54419e91792ec'),\n",
       " 'blockNumber': 18641698,\n",
       " 'contractAddress': None,\n",
       " 'cumulativeGasUsed': 14798579,\n",
       " 'effectiveGasPrice': 4698025,\n",
       " 'from': '0x011b7DD4cAA8E48FbBaef548dB349dfB3D09aA3F',\n",
       " 'gasUsed': 112757,\n",
       " 'l1BaseFeeScalar': '0x8dd',\n",
       " 'l1BlobBaseFee': '0x1',\n",
       " 'l1BlobBaseFeeScalar': '0x101c12',\n",
       " 'l1Fee': '0x56ed109ae',\n",
       " 'l1GasPrice': '0x11a8c1ee1',\n",
       " 'l1GasUsed': '0x879',\n",
       " 'logs': [AttributeDict({'address': '0x4200000000000000000000000000000000000006',\n",
       "   'topics': [HexBytes('0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef'),\n",
       "    HexBytes('0x0000000000000000000000006c561b446416e1a00e8e93e221854d6ea4171372'),\n",
       "    HexBytes('0x000000000000000000000000011b7dd4caa8e48fbbaef548db349dfb3d09aa3f')],\n",
       "   'data': HexBytes('0x00000000000000000000000000000000000000000000000000015e3d90cd5b4d'),\n",
       "   'blockNumber': 18641698,\n",
       "   'transactionHash': HexBytes('0x62025456457e7020995e3a1f610cedd6fff617867c81b922dba09ac4eb18dccd'),\n",
       "   'transactionIndex': 90,\n",
       "   'blockHash': HexBytes('0xf0f897bcaf7d1e068a6f744f18ae8b68c2165c90a1a3f7cb98a54419e91792ec'),\n",
       "   'logIndex': 350,\n",
       "   'removed': False}),\n",
       "  AttributeDict({'address': '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913',\n",
       "   'topics': [HexBytes('0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef'),\n",
       "    HexBytes('0x000000000000000000000000011b7dd4caa8e48fbbaef548db349dfb3d09aa3f'),\n",
       "    HexBytes('0x0000000000000000000000006c561b446416e1a00e8e93e221854d6ea4171372')],\n",
       "   'data': HexBytes('0x00000000000000000000000000000000000000000000000000000000000f4240'),\n",
       "   'blockNumber': 18641698,\n",
       "   'transactionHash': HexBytes('0x62025456457e7020995e3a1f610cedd6fff617867c81b922dba09ac4eb18dccd'),\n",
       "   'transactionIndex': 90,\n",
       "   'blockHash': HexBytes('0xf0f897bcaf7d1e068a6f744f18ae8b68c2165c90a1a3f7cb98a54419e91792ec'),\n",
       "   'logIndex': 351,\n",
       "   'removed': False}),\n",
       "  AttributeDict({'address': '0x6c561B446416E1A00E8E93E221854d6eA4171372',\n",
       "   'topics': [HexBytes('0xc42079f94a6350d7e6235f29174924f928cc2ac818eb64fed8004e115fbcca67'),\n",
       "    HexBytes('0x0000000000000000000000002626664c2603336e57b271c5c0b26f421741e481'),\n",
       "    HexBytes('0x000000000000000000000000011b7dd4caa8e48fbbaef548db349dfb3d09aa3f')],\n",
       "   'data': HexBytes('0xfffffffffffffffffffffffffffffffffffffffffffffffffffea1c26f32a4b300000000000000000000000000000000000000000000000000000000000f42400000000000000000000000000000000000000000000355a8d46a11b7d0a54501000000000000000000000000000000000000000000000000003483f3bfe1c7e8fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffcfb9e'),\n",
       "   'blockNumber': 18641698,\n",
       "   'transactionHash': HexBytes('0x62025456457e7020995e3a1f610cedd6fff617867c81b922dba09ac4eb18dccd'),\n",
       "   'transactionIndex': 90,\n",
       "   'blockHash': HexBytes('0xf0f897bcaf7d1e068a6f744f18ae8b68c2165c90a1a3f7cb98a54419e91792ec'),\n",
       "   'logIndex': 352,\n",
       "   'removed': False})],\n",
       " 'logsBloom': HexBytes('0x00000000000000000000000000000000000000000000000000040000000000000000000000000000000000108000100000000000000020000000000000000000000000000000000800000008000000002000000000080000000001000000000000800000000000000000000000000000000000000000000000000010000800000004000000000100000000000000000000000000002100000002000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000400000000000000000000000000000000000000000800000000000100000000000000000000040000000000000000000020000000000000'),\n",
       " 'status': 1,\n",
       " 'to': '0x2626664c2603336E57B271c5C0b26F421741e481',\n",
       " 'transactionHash': HexBytes('0x62025456457e7020995e3a1f610cedd6fff617867c81b922dba09ac4eb18dccd'),\n",
       " 'transactionIndex': 90,\n",
       " 'type': 0})"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from dexsnake.uniswap_v3 import UniswapV3Router\n",
    "\n",
    "\n",
    "router = UniswapV3Router(web3)\n",
    "\n",
    "tx_receipt_approval = pool.token_1.approve(router.contract.address, 1, account, private_key)\n",
    "\n",
    "tx_receipt_swap = router.exact_input_single(\n",
    "    amount_in=1,\n",
    "    amount_out_min=1 / price * 0.99,  # max 1% slippage\n",
    "    token_in=USDC_address,\n",
    "    token_out=WETH_address,\n",
    "    fee=fee,\n",
    "    recipient=account,\n",
    "    account=account,\n",
    "    private_key=private_key,\n",
    ")\n",
    "\n",
    "tx_receipt_swap"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "You can inspect the transaction on the block explorer: https://basescan.org/tx/0x62025456457e7020995e3a1f610cedd6fff617867c81b922dba09ac4eb18dccd."
   ]
  }
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