比特币价格下跌警报系统_via_Bright_Data
中级
这是一个AI领域的自动化工作流，包含 15 个节点。主要使用 If, Code, Html, Gmail, HttpRequest 等节点，结合人工智能技术实现智能自动化。 Bright Data和n8n的实时比特币价格警报
前置要求
- •Google 账号和 Gmail API 凭证
- •可能需要目标 API 的认证凭证
- •Google Sheets API 凭证
分类
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": "HPuntqVPRH2UITi4",
"meta": {
"instanceId": "60046904b104f0f72b2629a9d88fe9f676be4035769f1f08dad1dd38a76b9480"
},
"name": "Bitcoin_Price_Drop_Alert_System_via_Bright_Data",
"tags": [],
"nodes": [
{
"id": "8746bf3b-5e6b-4f14-815d-4b774c3302c3",
"name": "手动触发器",
"type": "n8n-nodes-base.manualTrigger",
"position": [
2040,
780
],
"parameters": {},
"typeVersion": 1
},
{
"id": "1a5d6ae5-9491-4199-a6fe-ae01593ebedd",
"name": "获取最后记录的价格",
"type": "n8n-nodes-base.googleSheets",
"position": [
2880,
780
],
"parameters": {
"options": {},
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/15DSwLkRw9NK2RIhXLMjzysmF9QYa5afreDXFrDQNXPM/edit#gid=0",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "15DSwLkRw9NK2RIhXLMjzysmF9QYa5afreDXFrDQNXPM",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/15DSwLkRw9NK2RIhXLMjzysmF9QYa5afreDXFrDQNXPM/edit?usp=drivesdk",
"cachedResultName": "Bitcoin latest price"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"id": "r2mDaisH6e9VkwHl",
"name": "Google Sheets account"
}
},
"typeVersion": 4.6
},
{
"id": "b48cce2e-63f3-4b4a-b9e7-f7506695dd8a",
"name": "发送警报邮件",
"type": "n8n-nodes-base.gmail",
"position": [
3780,
600
],
"webhookId": "bb09c84f-b390-4ce6-937e-eaeaefc979c5",
"parameters": {
"sendTo": "shahkar.genai@gmail.com",
"message": "=Hello,\n\nThe price of Bitcoin has dropped by {{ $json.dropPercent }}% since the last check.\n\nPrevious Price: {{ $json.previousPrice }}\nCurrent Price: {{ $json.currentPrice }}\n\nPlease review accordingly.\n\nBest regards,\nYour Crypto Monitor Bot\n`;\n",
"options": {
"appendAttribution": false
},
"subject": "=Bitcoin Price has dropped {{ $json.dropPercent }}%",
"emailType": "text"
},
"credentials": {
"gmailOAuth2": {
"id": "AQDSl75AdzK3vmqJ",
"name": "Gmail account"
}
},
"typeVersion": 2.1
},
{
"id": "d1f96797-9558-403d-a37c-604e07e76563",
"name": "无需提醒",
"type": "n8n-nodes-base.noOp",
"position": [
3780,
900
],
"parameters": {},
"typeVersion": 1
},
{
"id": "208006b9-4cae-4199-9342-d7646fe38672",
"name": "便签9",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
0
],
"parameters": {
"color": 4,
"width": 1300,
"height": 320,
"content": "======================================="
},
"typeVersion": 1
},
{
"id": "403e8b40-1a0f-464e-8d81-a162c0308252",
"name": "便签3",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
340
],
"parameters": {
"color": 4,
"width": 1289,
"height": 2558,
"content": "# 📉💰 **比特币价格下跌警报工作流**"
},
"typeVersion": 1
},
{
"id": "201e7c73-d960-47c5-934e-f8fe0630ca2c",
"name": "Fetch Bitcoin Price",
"type": "n8n-nodes-base.httpRequest",
"position": [
2240,
780
],
"parameters": {
"url": "https://api.brightdata.com/request",
"method": "POST",
"options": {},
"sendBody": true,
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "zone",
"value": "n8n_unblocker"
},
{
"name": "url",
"value": "https://coinmarketcap.com/currencies/bitcoin/"
},
{
"name": "country",
"value": "us"
},
{
"name": "format",
"value": "raw"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer API_KEY"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "ff6d0c30-0e72-4a28-9628-b94606461a20",
"name": "Extract Price",
"type": "n8n-nodes-base.html",
"position": [
2440,
780
],
"parameters": {
"options": {},
"operation": "extractHtmlContent",
"extractionValues": {
"values": [
{
"key": "price",
"cssSelector": "<span class=\"sc-65e7f566-0 esyGGG base-text\" data-test=\"text-cdp-price-display\">$105,095.42</span>"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "759e26b7-a260-469e-ba17-fc5bee7be762",
"name": "Convert type",
"type": "n8n-nodes-base.code",
"position": [
2660,
780
],
"parameters": {
"jsCode": "return items.map(item => {\n const priceStr = item.json.price;\n const priceNumber = parseFloat(priceStr.replace(/[$,]/g, ''));\n return {\n json: {\n price: priceNumber\n }\n };\n});\n"
},
"typeVersion": 2
},
{
"id": "c33e81f4-f06e-4e47-942f-4764027f270c",
"name": "Find drop percentage",
"type": "n8n-nodes-base.code",
"position": [
3100,
780
],
"parameters": {
"jsCode": "// Extract current and previous price from separate input items\nconst currentPrice = $('Convert type').first().json.price;\nconst previousPrice = $input.first().json.Price;\n\nconst dropPercent = previousPrice !== 0 \n ? ((previousPrice - currentPrice) / previousPrice) * 100 \n : 0;\n\nreturn [{\n json: {\n currentPrice,\n previousPrice,\n dropPercent: parseFloat(dropPercent.toFixed(2))\n }\n}];\n"
},
"typeVersion": 2
},
{
"id": "cb64ae28-6086-4301-85b7-a8bdac6c2370",
"name": "If droppercentage >= 5",
"type": "n8n-nodes-base.if",
"position": [
3420,
780
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "9b9dfa4e-92d1-408e-90f0-355141f73d54",
"operator": {
"type": "number",
"operation": "gte"
},
"leftValue": "={{ $json.dropPercent }}",
"rightValue": 5
}
]
}
},
"typeVersion": 2.2
},
{
"id": "08bcbb20-2f85-45c9-b56e-61edb70ccd74",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
2020,
0
],
"parameters": {
"color": 3,
"width": 540,
"height": 980,
"content": "## 🔎 **Section 1: Fetch the Current Bitcoin Price**\n\n🧩 **Nodes:**\n\n1. **⚡ Manual Trigger**\n2. **🌐 Fetch Bitcoin Price**\n3. **🧱 Extract Price**\n\n### 🧠 What Happens:\n\n* **⚡ Manual Trigger**\n This starts the process manually. Think of it like pressing a \"Start\" button.\n\n* **🌐 Fetch Bitcoin Price**\n Uses the [Bright Data API](https://brightdata.com/) to scrape the live Bitcoin price from a specific website using a POST request.\n\n* **🧱 Extract Price**\n Extracts the **exact price value** from the scraped HTML using selectors (like CSS paths).\n\n### 💡 Why It’s Useful:\n\nYou can track the **real-time price** of Bitcoin straight from any public site, even those not offering official APIs. It's like building your own live feed.\n\n---\n\n"
},
"typeVersion": 1
},
{
"id": "9c153740-4fb9-4ab7-b129-c6bc8c61c274",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
2640,
-40
],
"parameters": {
"color": 5,
"width": 600,
"height": 1020,
"content": "## 📊 **Section 2: Calculate and Compare with Historical Price**\n\n🧩 **Nodes:**\n4\\. **🔄 Convert Type**\n5\\. **📗 Get Last Recorded Price (Google Sheet)**\n6\\. **📉 Find Drop Percentage**\n\n### 🧠 What Happens:\n\n* **🔄 Convert Type**\n Converts the price from a text format to a number so we can calculate with it.\n\n* **📗 Get Last Recorded Price**\n Pulls the **previous Bitcoin price** from a Google Sheet (a record from last check). Acts like your “memory”.\n\n* **📉 Find Drop Percentage**\n Calculates how much the price has dropped:\n\n $$\n \\text{Drop (\\%)} = \\frac{\\text{Previous Price - Current Price}}{\\text{Previous Price}} \\times 100\n $$\n\n### 💡 Why It’s Useful:\n\nYou’re comparing real-time data with past values automatically—no spreadsheets or calculators needed! This makes it ideal for **traders or enthusiasts** watching for price alerts.\n\n---\n\n"
},
"typeVersion": 1
},
{
"id": "58dbf6d5-371f-4123-8838-5c6f40185711",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
3380,
100
],
"parameters": {
"color": 6,
"width": 540,
"height": 940,
"content": "## 🚨 **Section 3: Send Alert if Drop ≥ 5%**\n\n🧩 **Nodes:**\n7\\. **🔀 If droppercentage >= 5**\n8\\. **📧 Send Alert Email**\n9\\. **➡️ No Alert Needed**\n\n### 🧠 What Happens:\n\n* **🔀 If Statement**\n Checks: Has the price dropped by **5% or more**?\n\n* **📧 Send Alert Email** (if true)\n Automatically sends an email to notify you about the drop. This could go to your inbox, or a team.\n\n* **➡️ No Alert Needed** (if false)\n The workflow ends quietly without doing anything else.\n\n\n"
},
"typeVersion": 1
},
{
"id": "a9608daf-aff9-460a-8ca5-14c1fc41916e",
"name": "便签4",
"type": "n8n-nodes-base.stickyNote",
"position": [
4000,
100
],
"parameters": {
"color": 7,
"width": 380,
"height": 240,
"content": "## I’ll receive a tiny commission if you join Bright Data through this link—thanks for fueling more free content!\n\n### https://get.brightdata.com/1tndi4600b25"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "125a795b-a427-4a83-abee-62fe60538000",
"connections": {
"Convert type": {
"main": [
[
{
"node": "Get Last Recorded Price",
"type": "main",
"index": 0
}
]
]
},
"Extract Price": {
"main": [
[
{
"node": "Convert type",
"type": "main",
"index": 0
}
]
]
},
"Manual Trigger": {
"main": [
[
{
"node": "Fetch Bitcoin Price",
"type": "main",
"index": 0
}
]
]
},
"Fetch Bitcoin Price": {
"main": [
[
{
"node": "Extract Price",
"type": "main",
"index": 0
}
]
]
},
"Find drop percentage": {
"main": [
[
{
"node": "If droppercentage >= 5",
"type": "main",
"index": 0
}
]
]
},
"If droppercentage >= 5": {
"main": [
[
{
"node": "Send Alert Email",
"type": "main",
"index": 0
}
],
[
{
"node": "No Alert Needed",
"type": "main",
"index": 0
}
]
]
},
"Get Last Recorded Price": {
"main": [
[
{
"node": "Find drop percentage",
"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 - 人工智能
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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工作流信息
难度等级
中级
节点数量15
分类1
节点类型9
作者
Yaron Been
@yaron-nofluffBuilding AI Agents and Automations | Growth Marketer | Entrepreneur | Book Author & Podcast Host If you need any help with Automations, feel free to reach out via linkedin: https://www.linkedin.com/in/yaronbeen/ And check out my Youtube channel: https://www.youtube.com/@YaronBeen/videos
外部链接
在 n8n.io 查看 →
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