This is the backend for my Etherscan clone. It is a simple blockchain explorer that allows you to search for blocks, transactions, and addresses.

You can find the frontend at: https://github.com/lucadidomenico/blockchain_explorer_frontend

👉🏻 https://www.youtube.com/playlist?list=PLpwebJpi_tu3rYba_zooIZSpv1410rQiV

Run the following commands to install the project:

git clone https://github.com/lucadidomenico/blockchain_explorer_backend
cd ./blockchain_explorer_backend
npm install

Run the following commands to deploy on AWS (You will need an AWS account with free tier and your access key and secret keys):

aws configure
# insert your access key, secret key and region when prompted
npm run build
cdk synth

If the latest command returns without any error, deploy the project on AWS with:

cdk deploy

• balance in ETH of a specific address (api gateway)
• retrieve the current price in USD of ETH
• list of transactions made or received by a specific address ordered by execution date (db)
• details of a single transaction by hash (db)

• Alchemy API Key (to connect to Ethereum): https://www.alchemy.com/
  • Tutorial (only part 1 to get the API Key): https://docs.alchemy.com/docs/alchemy-quickstart-guide#1key-create-an-alchemy-key
• AWS Account (Free Tier): https://aws.amazon.com/free/
• AWS CDK: https://aws.amazon.com/getting-started/guides/setup-cdk/module-two/
• AWS Console: https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html