Bitcoin Litecoin to ethereum mapping collector

Some of our users participate in the ICO using Bitcoin & Litecoin. We need to pay these users out in BBK tokens, so our users need to tell us their Bitcoin/Litecoin address, what Ethereum address they want to be paid to. We also need to make sure that they truly are the owners of the Bitcoin/Litecoin addresses they claim.

To do this users must sign a message consisting of their Ethereum address. They must sign it with the private key matching the Bitcoin/Litecoin address they paid in with.

This cryptographic signature will allow us to verify that they truly own said Bitcoin/Litecoin address. Since the message they signed is the string with their Etheruem address, we also know that the owner of the Bitcoin/Litecoin address wishes to have their BBT tokens sent to the Ethereum address.

Development Setup

Local mySql database

There needs to be a database and user setup for this API to run. A setup to do so on development:

• mysqld => start the mysql process
• mysql -u root => login with a user that can create other users
• CREATE DATABASE BBK_claim; => create the database
• CREATE USER 'BBK_claim_api'@'localhost' IDENTIFIED BY '{user-password}'; => create a user that will connect to mysql on "localhost"
• GRANT ALL PRIVILEGES ON BBK_claim . * TO 'BBK_claim_api'; => gives the BBK_claim_api USER all permissions on BBK_claim TABLE

Local environment file

To run the API, you must have a .env file in the repo root. Copy the .env.example file to .env and make ensure it matches your local mysql setup.

Local mySql Migrations

When the above steps are completed, you should be able to run yarn migrate

Development API

We use nodemon to watch for changes during development yarn start:dev

Testing

To run the Javascript tests, run yarn test.