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使用 Etherscan 和 Telegram 通知监控 USDT ERC-20 钱包余额

中级

这是一个Finance领域的自动化工作流，包含 8 个节点。主要使用 If, Set, Code, Cron, Telegram 等节点。 使用Etherscan和Telegram通知监控USDT ERC-20钱包余额

前置要求
  • •Telegram Bot Token
  • •可能需要目标 API 的认证凭证

使用的节点 (8)

If
Set
Code
Cron
Telegram
StickyNote
HttpRequest

分类

财务
工作流预览
可视化展示节点连接关系，支持缩放和平移
React Flow
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": "AlEVIPHR3dMJkYWt",
  "meta": {
    "instanceId": "58e59e36ad4158b4534237c364ed053a36843e3394fa02af59feb8df38262a79",
    "templateCredsSetupCompleted": true
  },
  "name": "使用 Etherscan 和 Telegram 通知监控 USDT ERC-20 钱包余额",
  "tags": [],
  "nodes": [
    {
      "id": "35b62ca1-3603-4dcb-a3b5-77e1325c78f7",
      "name": "余额是否发生变化？",
      "type": "n8n-nodes-base.if",
      "position": [
        -40,
        0
      ],
      "parameters": {
        "conditions": {
          "boolean": [
            {
              "value1": "={{$json.balanceChanged}}",
              "value2": true
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "dfeef0d5-0bb2-40a1-ae75-51d7caeb9c3d",
      "name": "余额已发生变化。",
      "type": "n8n-nodes-base.telegram",
      "position": [
        320,
        -140
      ],
      "webhookId": "a8fa72ce-638b-4245-bcbc-d59948ae1144",
      "parameters": {
        "text": "=🚨 *USDT Balance Change!*\n\nWallet Address: {{ $json.walletAddress }}\n\n🔴 Previous Balance: {{parseFloat($json.previousBalance)/1e6}} USDT\n\n🟢 New Balance: {{parseFloat($json.currentBalance)/1e6}} USDT",
        "chatId": "< Your Telegram Chat ID >",
        "additionalFields": {
          "parse_mode": "Markdown"
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "Ge3vEXak2MymWtcp",
          "name": "Telegram account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "ffebdb46-a6f0-4ed8-88ed-75ab427af969",
      "name": "余额未发生变化。",
      "type": "n8n-nodes-base.telegram",
      "position": [
        320,
        20
      ],
      "webhookId": "a8fa72ce-638b-4245-bcbc-d59948ae1144",
      "parameters": {
        "text": "=Balance Unchanged. USDT balance remained stable.",
        "chatId": "< Your Telegram Chat ID >",
        "additionalFields": {
          "parse_mode": "Markdown"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "049ff717-ba10-4b7f-9f84-9eaaeee902ec",
      "name": "用户数据",
      "type": "n8n-nodes-base.set",
      "position": [
        -780,
        0
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "4455d1e7-a489-4ab6-a526-4fc755db99d0",
              "name": "Your Wallet Address",
              "type": "string",
              "value": "< Wallet Address Paste Here >"
            },
            {
              "id": "3d84deba-8093-42cf-833f-6891db778de7",
              "name": "Your Etherscan Api Key",
              "type": "string",
              "value": "< Etherscan Api Key Paste Here>"
            },
            {
              "id": "971ea723-e3de-4cff-b4e7-5899f3d8fb00",
              "name": "USDT ERC-20 Token Address",
              "type": "string",
              "value": "0xdAC17F958D2ee523a2206206994597C13D831ec7"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "0488f2dd-6b71-4be5-9ce8-cf0763b82990",
      "name": "余额检查器",
      "type": "n8n-nodes-base.code",
      "position": [
        -280,
        0
      ],
      "parameters": {
        "jsCode": "const staticData = $getWorkflowStaticData('global');\n\nconst currentBalance = items[0].json.result;\n\nconst walletAddress = $('userData').first().json['Your Wallet Address']\n\nlet previousBalance = staticData.previousBalance;\n\nif (!previousBalance) {\n  staticData.previousBalance = currentBalance;\n  previousBalance = currentBalance;\n}\n\nconst balanceChanged = previousBalance !== currentBalance;\n\nstaticData.previousBalance = currentBalance;\n\nreturn [{json: {balanceChanged, previousBalance, currentBalance, walletAddress}}];"
      },
      "typeVersion": 2
    },
    {
      "id": "d7b23d5b-b4c5-4d9a-93f9-360ae0d539c7",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1040,
        -180
      ],
      "parameters": {
        "color": 4,
        "width": 1540,
        "height": 400,
        "content": "## USDT ERC-20 钱包余额追踪器"
      },
      "typeVersion": 1
    },
    {
      "id": "7c8f0d69-6c37-469c-b466-89a467db9bbd",
      "name": "每 5 分钟检查一次余额",
      "type": "n8n-nodes-base.cron",
      "position": [
        -1000,
        0
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "mode": "everyX",
              "unit": "minutes",
              "value": 5
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "ea603f03-25e0-4c80-90f2-eb5f09e71ad1",
      "name": "从 Etherscan 获取 USDT 余额",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -480,
        0
      ],
      "parameters": {
        "url": "https://api.etherscan.io/api",
        "options": {},
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "module",
              "value": "account"
            },
            {
              "name": "action",
              "value": "tokenbalance"
            },
            {
              "name": "address",
              "value": "={{ $json['Your Wallet Address'] }}"
            },
            {
              "name": "tag",
              "value": "latest"
            },
            {
              "name": "apikey",
              "value": "={{ $json['Your Etherscan Api Key'] }}"
            },
            {
              "name": "contractaddress",
              "value": "={{ $json['USDT ERC-20 Token Address'] }}"
            }
          ]
        }
      },
      "typeVersion": 3
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "7ebf18de-7adf-40dd-99b4-ff8dd1e37f08",
  "connections": {
    "userData": {
      "main": [
        [
          {
            "node": "Fetch USDT Balance from Etherscan",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "balanceChecker": {
      "main": [
        [
          {
            "node": "Balance Changed?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Balance Changed.": {
      "main": [
        []
      ]
    },
    "Balance Changed?": {
      "main": [
        [
          {
            "node": "Balance Changed.",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Balance Not Changed.",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Balance Every 5 Minutes": {
      "main": [
        [
          {
            "node": "userData",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fetch USDT Balance from Etherscan": {
      "main": [
        [
          {
            "node": "balanceChecker",
            "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 - 财务

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。

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节点数量8
分类1
节点类型7
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
FORK SOFTWARE TECHNOLOGIES INC.

FORK SOFTWARE TECHNOLOGIES INC.

@fork

Blockchain and Web3 Consulting: NFT and STO development, Enterprise Blockchain solutions, Smart Contract development and auditing, DApp development. Custom Software Development: Tailored solutions to streamline your business processes. Web Development and UI/UX Design: Creating user-friendly, functional, and aesthetically pleasing websites. QA & Software Testing: Delivering flawless, high-performance software solutions. Empower your crypto projects with ICO and secure MLM software services!

外部链接
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