📈 AHR999 - Bitcoin On-chain Valuation Lambda

This AWS Lambda function calculates the AHR999 indicator, a Bitcoin on-chain valuation metric. It fetches historical close prices from Coinbase, calculates a 200-day geometric mean, compares it to the estimated value model, and notifies results via Telegram and/or Bark.

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✨ Features

• Fetches BTC/USDT daily close prices (200 days)
• Computes:
  • 📊 200-day Geometric Mean
  • 🧠 Estimated Value Model
  • 🔢 AHR999 Indicator
• Sends notification via:
  • Telegram Bot
  • Bark (optional)

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🚀 Prerequisites

• Go 1.20+ installed
• AWS CLI installed and configured
• Telegram Bot Token and Chat ID
• An IAM Role for Lambda execution (AWSLambdaBasicExecutionRole)

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⚙️ Environment Variables

Name	Description	Required
TELEGRAM_BOT_TOKEN	Telegram Bot token	✅
TELEGRAM_CHAT_ID	Telegram user/group chat ID	✅
BARK_URL	Bark push URL (optional)	❌

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🛠️ Build & Deploy

1. Build the binary for AWS Lambda

CGO_ENABLED=0 GOOS=linux GOARCH=arm64 \
go build -tags lambda.norpc -ldflags="-s -w" -o bootstrap .

2. (Optional) Compress with upx to reduce size

upx --best bootstrap

3. Package into zip

zip myFunction.zip bootstrap

4. Create the Lambda function

aws lambda create-function --function-name ahr999 \
  --runtime provided.al2023 \
  --handler bootstrap \
  --architectures arm64 \
  --role arn:aws:iam::<your-account-id>:role/LambdaGeneralPurposeRole \
  --zip-file fileb://myFunction.zip \
  --timeout 10 \
  --environment Variables="{TELEGRAM_BOT_TOKEN=your_TELEGRAM_BOT_TOKEN,TELEGRAM_CHAT_ID=your_TELEGRAM_CHAT_ID,BARK_URL=optional_bark_url}"

Replace and environment values accordingly.

📩 Example Notification

📈 AHR999 Indicator Report
AHR999: 0.8734
Latest Price: 26251.32
200-day Cost (Geomean): 24798.12
估值模型: 30500.91

建议区间:
✅ 抄底区: < 0.45
💰 定投区: < 1.20