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使用Uniswap V3的DCA

中级

这是一个Crypto Trading, Multimodal AI领域的自动化工作流,包含 14 个节点。主要使用 Code, OneShot, Telegram, OneShotSynch, ScheduleTrigger 等节点。 在Uniswap V3和1Shot API上使用美元成本平均法自动化代币购买

前置要求
  • Telegram Bot Token
工作流预览
可视化展示节点连接关系,支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入,即可使用此工作流
{
  "id": "maYy0i7nYbJwepaQ",
  "meta": {
    "instanceId": "62f017ec8f130d172e2e5f39bbf09515036bfd403dfa60fe06f5ab14b78705d0",
    "templateCredsSetupCompleted": true
  },
  "name": "使用 Uniswap V3 的 DCA",
  "tags": [],
  "nodes": [
    {
      "id": "f43b592f-1203-47b8-9dac-61e8a9d3c9d3",
      "name": "计算 TWAP",
      "type": "n8n-nodes-base.code",
      "position": [
        432,
        160
      ],
      "parameters": {
        "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"
      },
      "typeVersion": 2
    },
    {
      "id": "bd180960-416b-48f8-b524-9841428a34e9",
      "name": "获取池 TWA 观察数据",
      "type": "n8n-nodes-1shot.oneShot",
      "position": [
        -16,
        160
      ],
      "parameters": {
        "params": "={\n  \"secondsAgos\": [\"0\",\"{{ $json.secondsAgo }}\"]\n} ",
        "operation": "read",
        "contractMethodId": "19aa2a88-2121-4727-b1af-e4922259b645"
      },
      "credentials": {
        "oneShotOAuth2Api": {
          "id": "nkfF9AitCKUCrErK",
          "name": "1Shot account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "46184b6b-263e-4e14-9518-2515e2d311a3",
      "name": "获取交换报价",
      "type": "n8n-nodes-1shot.oneShot",
      "position": [
        208,
        160
      ],
      "parameters": {
        "params": "={\n  \"params\": \n    {\n  \"tokenIn\": \"{{ $('Swap Configs').item.json.token0 }}\",\n  \"tokenOut\": \"{{ $('Swap Configs').item.json.token1 }}\",\n  \"amountIn\": \"{{ $('Swap Configs').item.json.secondsAgo }}\",\n  \"fee\": \"500\",\n  \"sqrtPriceLimitX96\": \"0\"\n    }\n} ",
        "operation": "simulate",
        "contractMethodId": "8de7d518-a62a-4a05-8f79-68808b6fd609"
      },
      "credentials": {
        "oneShotOAuth2Api": {
          "id": "nkfF9AitCKUCrErK",
          "name": "1Shot account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "6b4d7900-7fae-4c1d-80cf-2900dfb4e299",
      "name": "交换代币",
      "type": "n8n-nodes-1shot.oneShotSynch",
      "onError": "continueRegularOutput",
      "position": [
        880,
        80
      ],
      "parameters": {
        "params": "={\n\"params\": {\n\"tokenIn\": \"{{ $('Swap Configs').item.json.token0 }}\",\n\"tokenOut\": \"{{ $('Swap Configs').item.json.token1 }}\",\n\"fee\": \"{{ $('Swap Configs').item.json.fee }}\",\n\"recipient\": \"{{ $('Swap Configs').item.json.delegator }}\",\n\"amountIn\": \"{{ $('Swap Configs').item.json.amountDCA }}\",\n\"amountOutMinimum\": \"0\",\n\"sqrtPriceLimitX96\": \"{{ $('Calculate TWAP').item.json.sqrtTWAPriceX96 }}\"\n}\n}",
        "operation": "executeAsDelegator",
        "additionalFields": {
          "memo": "=DCA Swap for {{ $('Swap Configs').item.json.amountDCA }}, TWAP: {{ $('Calculate TWAP').item.json.twap }}"
        },
        "contractMethodId": "86616048-5330-452f-8637-58859dc872c6",
        "delegatorWalletAddress": "={{ $('Swap Configs').item.json.delegator }}"
      },
      "credentials": {
        "oneShotOAuth2Api": {
          "id": "nkfF9AitCKUCrErK",
          "name": "1Shot account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "a11c7481-97bf-4cee-8a3f-e604cd09236d",
      "name": "计划触发器",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        -464,
        160
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 10
            }
          ]
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "8c435f3f-72dc-4102-99bd-13cda1ea27c8",
      "name": "失败详情",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1104,
        256
      ],
      "webhookId": "4bc3c459-fb40-44e5-a4b6-8565f2e92b62",
      "parameters": {
        "text": "=❌ Swap Failed",
        "chatId": "5034284669",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "uN6xtW1sUnA0WiMc",
          "name": "@1shotdemobot"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "d1512fe2-112f-48c0-8a98-cbbb08ab8f65",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -864,
        224
      ],
      "parameters": {
        "width": 320,
        "height": 224,
        "content": "## 设置您的 DCA 计划"
      },
      "typeVersion": 1
    },
    {
      "id": "4f6661d0-978c-4554-97eb-f91519dd8c85",
      "name": "便签1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -528,
        -160
      ],
      "parameters": {
        "width": 720,
        "height": 256,
        "content": "## DCA 配置"
      },
      "typeVersion": 1
    },
    {
      "id": "4b46e786-07d6-4184-8a90-ff264686c075",
      "name": "便签2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -128,
        352
      ],
      "parameters": {
        "width": 672,
        "height": 288,
        "content": "## 连接到您的 1Shot API 账户"
      },
      "typeVersion": 1
    },
    {
      "id": "bb585dd2-901b-4bb3-b822-5ddf3ad80be7",
      "name": "授予路由器批准",
      "type": "n8n-nodes-1shot.oneShotSynch",
      "onError": "continueRegularOutput",
      "position": [
        656,
        160
      ],
      "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 }}"
      },
      "credentials": {
        "oneShotOAuth2Api": {
          "id": "nkfF9AitCKUCrErK",
          "name": "1Shot account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "792928fb-59e5-44ba-a6b9-9f388c74f02a",
      "name": "便签3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1344,
        224
      ],
      "parameters": {
        "width": 544,
        "height": 176,
        "content": "## Telegram 通知"
      },
      "typeVersion": 1
    },
    {
      "id": "2edc9432-92f2-4feb-a44a-f6d6f5608db1",
      "name": "成功详情",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1328,
        32
      ],
      "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. ",
        "chatId": "5034284669",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "uN6xtW1sUnA0WiMc",
          "name": "@1shotdemobot"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "3147ded9-fc81-4d00-b230-c313c0c3501a",
      "name": "获取剩余 DCA 资金余额",
      "type": "n8n-nodes-1shot.oneShot",
      "position": [
        1104,
        32
      ],
      "parameters": {
        "params": "={\n  \"account\": \"{{ $('Swap Configs').item.json.delegator }}\"\n}",
        "operation": "read",
        "contractMethodId": "5fa806d3-e891-43de-b834-38f82dae653e"
      },
      "credentials": {
        "oneShotOAuth2Api": {
          "id": "nkfF9AitCKUCrErK",
          "name": "1Shot account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "4d7da856-78f7-4553-a9f7-2a372688712b",
      "name": "交换配置",
      "type": "n8n-nodes-base.code",
      "position": [
        -240,
        160
      ],
      "parameters": {
        "jsCode": "const secondsAgo = 120; // the size of your TWAP window\nconst amountDCA = 100000; // amount to swap each time\nconst delegator = \"0x9fead8b19c044c2f404dac38b925ea16adaa2954\"; // your delegated wallet address.\nconst router = \"0x3bFA4769FB09eefC5a80d6E87c3B9C650f7Ae48E\"; // the uniswap SwapRouterV2\nconst token0 = \"0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238\"; // token0 of you r target pool\nconst token1 = \"0xfFf9976782d46CC05630D1f6eBAb18b2324d6B14\"; // token1 of your target pool\nconst fee = 500; // the fee of your target pool\n\n$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"
      },
      "typeVersion": 2
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "8c4f8d71-a91f-4481-a83b-17404b73e600",
  "connections": {
    "Swap Tokens": {
      "main": [
        [
          {
            "node": "Get Remaining DCA Funds Balance",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Failure Details",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Swap Configs": {
      "main": [
        [
          {
            "node": "Fetch Pool TWA Observations",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Calculate TWAP": {
      "main": [
        [
          {
            "node": "Give Approval to Router",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Swap Qoute": {
      "main": [
        [
          {
            "node": "Calculate TWAP",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Swap Configs",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Give Approval to Router": {
      "main": [
        [
          {
            "node": "Swap Tokens",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Failure Details",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fetch Pool TWA Observations": {
      "main": [
        [
          {
            "node": "Get Swap Qoute",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Remaining DCA Funds Balance": {
      "main": [
        [
          {
            "node": "Success Details",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
常见问题

如何使用这个工作流?

复制上方的 JSON 配置代码,在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」,粘贴配置后根据需要修改凭证设置即可。

这个工作流适合什么场景?

中级 - 加密货币交易, 多模态 AI

需要付费吗?

本工作流完全免费,您可以直接导入使用。但请注意,工作流中使用的第三方服务(如 OpenAI API)可能需要您自行付费。

工作流信息
难度等级
中级
节点数量14
分类2
节点类型6
难度说明

适合有一定经验的用户,包含 6-15 个节点的中等复杂度工作流

作者
1Shot API

1Shot API

@oneshotapi

1Shot API lets you bring onchain actions into your n8n workflows.

外部链接
在 n8n.io 查看

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