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Welcome to the official Open Source Ethscriptions Indexer!

This indexer has been extracted and streamlined from the indexer that runs Ethscriptions.com. This indexer has been validated as producing the same results against the live Ethscriptions.com indexer. This indexer also powers Facet!

Important: When pulling changes!

Always run bundle install && rails db:migrate after you pull in the latest changes.

Installation Instructions

This is a Ruby on Rails app.

Run this command inside the directory of your choice to clone the repository:

git clone https://github.com/0xfacet/ethscriptions-indexer

If you don't already have Ruby Version Manager installed, install it:

curl -sSL https://get.rvm.io | bash -s stable

You might need to run this if there is an issue with gpg:

gpg2 --keyserver keyserver.ubuntu.com --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB

Now install ruby 3.2.2:

rvm install 3.2.2

On a Mac you might run into an issue with openssl. If you do you might need to run something like this:

rvm install 3.2.2 --with-openssl-dir=$(brew --prefix openssl@1.1)

Install the gems (libraries) the app needs:

bundle install

Install postgres if you don't already have it:

Mac: brew install postgresql

Ubuntu: sudo apt-get install libpq-dev

RHEL: yum install postgresql-devel

Alpine: apk add postgresql-dev

Set up your env vars by renaming .sample.env to .env, .sample.env.development to .env.development, and .sample.env.test to .env.test. These environment-specific env files just set the database you're using in each environment. You have the option of using a replica database for reads, but you can just leave this blank if you don't want to use it. There's also a .sample.env.production but you'll probably want to set production env vars at the system level.

Create the database:

rails db:create

Migrate the database schema:

rails db:migrate

You will also need memcache to use this. You can install it with homebrew as well. Consult ChatGPT!

You will need an Alchemy API key for this to work!

Run the tests to make sure everything is set up correctly:

rspec

Now run the process to index ethscriptions!

bundle exec clockwork config/main_importer_clock.rb

You'll want to keep this running in the background so you can process everything. If your indexer instance is behind and you want to catch up quickly you can adjust the BLOCK_IMPORT_BATCH_SIZE in your .env. With Alchemy you can set this as high as 30 and still see a performance improvement.

Now start the web server on a port of your choice, for example 4000:

rails s -p 4000

You can use this web server to access the API!

Try http://localhost:4000/ethscriptions/0/data to see the cat made famous in the first ethscription or http://localhost:4000/blocks/:number to see details of any block.