Uniswap V3를 사용한 DCA

• •Telegram Bot Token

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  "name": "DCA w/ Uniswap V3",
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      "name": "TWAP 계산",
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        "jsCode": "// Constants\nconst MaxUint256 = (1n << 256n) - 1n;\nconst Q32 = 1n << 32n;\nconst ZERO = 0n;\nconst ONE = 1n;\n\nfunction mulShift(val, mulBy) {\n  return (val * BigInt(mulBy)) >> 128n;\n}\n\n/**\n * Returns the sqrt ratio as a Q64.96 for the given tick.\n * The sqrt ratio is computed as sqrt(1.0001)^tick\n * @param {number} tick the tick for which to compute the sqrt ratio\n */\nfunction getSqrtRatioAtTick(tick) {\n  if (!Number.isInteger(tick)) throw new Error(\"Tick must be integer\");\n  const MIN_TICK = -887272;\n  const MAX_TICK = 887272;\n\n  if (tick < MIN_TICK || tick > MAX_TICK) throw new Error(\"Tick out of bounds\");\n\n  const absTick = tick < 0 ? -tick : tick;\n\n  let ratio =\n    (absTick & 0x1) != 0\n      ? 0xfffcb933bd6fad37aa2d162d1a594001n\n      : 0x100000000000000000000000000000000n;\n  if ((absTick & 0x2) != 0) ratio = mulShift(ratio, 0xfff97272373d413259a46990580e213an);\n  if ((absTick & 0x4) != 0) ratio = mulShift(ratio, 0xfff2e50f5f656932ef12357cf3c7fdccn);\n  if ((absTick & 0x8) != 0) ratio = mulShift(ratio, 0xffe5caca7e10e4e61c3624eaa0941cd0n);\n  if ((absTick & 0x10) != 0) ratio = mulShift(ratio, 0xffcb9843d60f6159c9db58835c926644n);\n  if ((absTick & 0x20) != 0) ratio = mulShift(ratio, 0xff973b41fa98c081472e6896dfb254c0n);\n  if ((absTick & 0x40) != 0) ratio = mulShift(ratio, 0xff2ea16466c96a3843ec78b326b52861n);\n  if ((absTick & 0x80) != 0) ratio = mulShift(ratio, 0xfe5dee046a99a2a811c461f1969c3053n);\n  if ((absTick & 0x100) != 0) ratio = mulShift(ratio, 0xfcbe86c7900a88aedcffc83b479aa3a4n);\n  if ((absTick & 0x200) != 0) ratio = mulShift(ratio, 0xf987a7253ac413176f2b074cf7815e54n);\n  if ((absTick & 0x400) != 0) ratio = mulShift(ratio, 0xf3392b0822b70005940c7a398e4b70f3n);\n  if ((absTick & 0x800) != 0) ratio = mulShift(ratio, 0xe7159475a2c29b7443b29c7fa6e889d9n);\n  if ((absTick & 0x1000) != 0) ratio = mulShift(ratio, 0xd097f3bdfd2022b8845ad8f792aa5825n);\n  if ((absTick & 0x2000) != 0) ratio = mulShift(ratio, 0xa9f746462d870fdf8a65dc1f90e061e5n);\n  if ((absTick & 0x4000) != 0) ratio = mulShift(ratio, 0x70d869a156d2a1b890bb3df62baf32f7n);\n  if ((absTick & 0x8000) != 0) ratio = mulShift(ratio, 0x31be135f97d08fd981231505542fcfa6n);\n  if ((absTick & 0x10000) != 0) ratio = mulShift(ratio, 0x9aa508b5b7a84e1c677de54f3e99bc9n);\n  if ((absTick & 0x20000) != 0) ratio = mulShift(ratio, 0x5d6af8dedb81196699c329225ee604n);\n  if ((absTick & 0x40000) != 0) ratio = mulShift(ratio, 0x2216e584f5fa1ea926041bedfe98n);\n  if ((absTick & 0x80000) != 0) ratio = mulShift(ratio, 0x48a170391f7dc42444e8fa2n);\n\n  if (tick > 0) {\n    ratio = MaxUint256 / ratio;\n  }\n\n  // back to Q96\n  return ratio % Q32 > 0n ? ratio / Q32 + ONE : ratio / Q32;\n}\n\nfunction getPriceFromSqrtPriceX96(sqrtPriceX96, decimals0, decimals1) {\n  // Ensure input is BigInt\n  const sqrtPrice = BigInt(sqrtPriceX96.toString());\n\n  // (sqrtPriceX96 ^ 2)\n  const numerator = sqrtPrice * sqrtPrice;\n\n  // Denominator = 2^192\n  const denominator = 1n << 192n;\n\n  // Raw price ratio (token1 per token0, no decimals adjusted)\n  let ratio = Number(numerator * 10n**18n / denominator) / 1e18; \n  // (we scale by 1e18 to stay precise when converting to Number)\n\n  // Adjust for token decimals\n  const decimalFactor = 10 ** (decimals0 - decimals1);\n  const price = ratio * decimalFactor;\n\n  return price;\n}\n\nconst diffTickCumulative = parseInt($('Fetch Pool TWA Observations').first().json.response[0][0]) - parseInt($('Fetch Pool TWA Observations').first().json.response[0][1]);\nconst diffSecondsPerLIquidityX128 = parseInt($('Fetch Pool TWA Observations').first().json.response[1][0]) - parseInt($('Fetch Pool TWA Observations').first().json.response[1][1]);\nconst secondsBetween = parseInt($('Swap Configs').first().json.secondsAgo);\nconst secondsBetweenX128 = BigInt(secondsBetween) << BigInt(128);\nconst averageTick = parseInt(diffTickCumulative/secondsBetween);\n\nconst sqrtPriceX96After = $input.first().json.result.decodedData[1];\nconst priceAfter = getPriceFromSqrtPriceX96(sqrtPriceX96After, 6, 8);\n\nconst sqrtTWAPricex96 = getSqrtRatioAtTick(averageTick);\nconst TWAP = getPriceFromSqrtPriceX96(sqrtTWAPricex96, 6,8);\nconst TWAL = secondsBetweenX128 / BigInt(diffSecondsPerLIquidityX128);\n\nconsole.log(\"TWAP\", 1/TWAP);\nconsole.log(\"Price After: \", 1/priceAfter);\nconsole.log(\"TWAL\", TWAL);\n\n$input.first().json.twap = TWAP; \n$input.first().json.sqrtTWAPriceX96 = sqrtTWAPricex96; \n$input.first().json.twal = TWAL; \n$input.first().json.quotePriceAfter = priceAfter; \n\nreturn $input.all()\n"
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      "name": "트리거 예약",
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        "text": "=❌ Swap Failed",
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        "content": "## Set Your DCA Schedule\n\nn8n makes it really easy to set a recurring schedule for your DCA purchases. Click on the Schedule Trigger node and set your frequency. "
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        "content": "## DCA configs\n\nSince we are using the Uniswap protocol directly, you'll need to set a few parameters in the Swap Configs node. \n\n1. Decide on the amount you want to spend on each DCA buy. \n2. Set the correct address for the Uniswap [SwapRouter](https://docs.uniswap.org/contracts/v3/reference/deployments/) contract\n3. Depending on the pool your are trading against, set the correct addresses for `token0` and `token1`. \n4. Also be sure to set the correct fee for the pool you are trading against (for most pools its just `500`). "
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        "content": "## Connect to Your 1Shot API Account\n\nCreate an API key and secret in your 1Shot API account and connect your n8n instance by creating a credential. \n\n1. The `Fetch Pool TWA Observactions` should point to the `observe` method on your target trading pool (like this [one](https://app.uniswap.org/explore/pools/base/0xfBB6Eed8e7aa03B138556eeDaF5D271A5E1e43ef)). \n2. The `Get Swap Quote` should point to the `quoteExactInputSingle` on the QuoterV2 contract.\n3. The `Give Approval to Router` should call `approve` on the token you are DCA'ing out of. \n4. The `Swap Tokens` node should point at the `exactInputSingle` function on the Uniswap SwapRouterV2 contract. "
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      "id": "bb585dd2-901b-4bb3-b822-5ddf3ad80be7",
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      "onError": "continueRegularOutput",
      "position": [
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      "parameters": {
        "params": "={\n  \"spender\": \"{{ $('Swap Configs').item.json.router }}\", \n  \"value\": \"{{ $('Swap Configs').item.json.amountDCA }}\"\n} ",
        "operation": "executeAsDelegator",
        "additionalFields": {
          "memo": "=DCA Approve for {{ $('Swap Configs').item.json.amountDCA }}"
        },
        "contractMethodId": "b2c3382b-37d0-4d49-b5d2-d1c6e8770658",
        "delegatorWalletAddress": "={{ $('Swap Configs').item.json.delegator }}"
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        "height": 176,
        "content": "## Telegram Notifications\n\nIf you want to get notified on each DCA purchase, connect a Telegram bot. "
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    {
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      "name": "성공 상세 정보",
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      "webhookId": "4bc3c459-fb40-44e5-a4b6-8565f2e92b62",
      "parameters": {
        "text": "=✅ Swapped `{{ $('Swap Configs').item.json.amountDCA }}` `{{ $('Swap Configs').item.json.token0 }}` for {{ $('Get Swap Qoute').item.json.result.decodedData[0] }} {{ $('Swap Configs').item.json.token1 }}. \n\nThe `{{ $('Swap Configs').item.json.secondsAgo }}` second TWAP was `{{ $('Calculate TWAP').item.json.twap }}`. Your tx hash is `{{ $('Swap Tokens').item.json.transactionHash }}`.\n\nYou have {{ $json.response }} of token `{{ $('Swap Configs').item.json.token0 }}` left. ",
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      "id": "3147ded9-fc81-4d00-b230-c313c0c3501a",
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      "parameters": {
        "params": "={\n  \"account\": \"{{ $('Swap Configs').item.json.delegator }}\"\n}",
        "operation": "read",
        "contractMethodId": "5fa806d3-e891-43de-b834-38f82dae653e"
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      "name": "스왑 설정",
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        "jsCode": "const secondsAgo = 120; // the size of your TWAP window\nconst amountDCA = 100000; // amount to swap each time\nconst delegator = \"0x9fead8b19c044c2f404dac38b925ea16adaa2954\"; // your delegated wallet address.\nconst router = \"0x3bFA4769FB09eefC5a80d6E87c3B9C650f7Ae48E\"; // the uniswap SwapRouterV2\nconst token0 = \"0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238\"; // token0 of you r target pool\nconst token1 = \"0xfFf9976782d46CC05630D1f6eBAb18b2324d6B14\"; // token1 of your target pool\nconst fee = 500; // the fee of your target pool\n\n$input.first().json.secondsAgo = secondsAgo;\n$input.first().json.amountDCA = amountDCA;\n$input.first().json.delegator = delegator;\n$input.first().json.router = router;\n$input.first().json.token0 = token0;\n$input.first().json.token1 = token1;\n$input.first().json.fee = fee;\n\nreturn $input.all();\n"
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  "settings": {
    "executionOrder": "v1"
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