This application was built for the AWS Serverless Repository. The application serves two purposes. 1) Collects prices for the top 200 coins according to market cap, every 5 minutes. 2) Alert the user if their coins have increased in price.

Please refer to the AWS Serverless repository, found here..

Please be aware that the following services will be used:

• Two AWS Lambda functions:
  • alert.py - check if the price has changed significantly over the past 10 observations.
  • collect.py - use coinmarketcap to get the current price of the top 200 cryptocurrencies.
• DynamoDB table to store the prices every 5 minutes
• AWS Simple Notification Service to send an SMS to the user’s phone number.

I run the following commands, assuming the AWS CLI is configured:

• aws cloudformation package --template-file cloudformation.yaml --output-template-file serverless-output.yaml --s3-bucket <>
• aws cloudformation deploy --template-file serverless-output.yaml --stack-name cryptomonitor --capabilities CAPABILITY_IAM --parameter-overrides=PhoneNumber=<>

This can also be deployed using the AWS Serverless Repository.