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Using protocol-common

Protocol-common is a shared library of commonly used functions in protocol web services such as Aries-Guardianship-Agency.

Protocol-common is distributed through npm packages. Please use this npm package for your work.

Using protocol-common locally

If you'd like to use a local version of protocol-common instead of the version available through npm packages, we've added some handy scripts to help you do so.

  1. In protocol-common, run the command npm run build:pack
    • This will compile your code into a dist/ directory and create a .tgz installable binary of protocol-common.
    • Note the path to the .tgz, this will be important for the next step!
  2. In the project that will use protocol-common, run the command npm install <path to .tgz>.
  3. Try it out!

Contributing to protocol-common

Getting Started

Typically, you'll need to update this repo when you want to change code that's shared among multiple services.

  1. Create a branch.
  2. Make your code changes.
  3. (optional) Test your changes by using protocol-common locally with some other project that depends on it.
  4. Update the "version" in package.json using Major.Minor.Patch semantic versioning.
  5. Commit your change to the branch and create a new PR in Github.
  6. Once approved and merged, CircleCI will automatically push an npm package with the version number you specified.
  7. (optional) Update repos that consume protocol-common.

notes

github info
npm package how-to
using experimental features in packages

Library Documentation

Config Module data format

To use the ConfigModule, data needs to be passed in. The data needs to be a specific format. This is an example of that format.

{
     "default": {
       "SERVICE_NAME": "authservice"
     },
     "local": {
       "WALLET_SYNC_SERVICE_URL": "http://protocol-wallet-sync-service:3004",
       "IDENTITY_SERVICE_URL": "http://protocol-identity-service:8080",
       "IDENTITY_SERVICE_BACKEND": "ncratemplate",
       "MAX_LOG_LENGTH": 5000,
       "JAEGER_ENDPOINT": "http://jaeger:14268/api/traces",
       "JWT_EXPIRE_SECONDS": 36000,
       "TRACER": "",
       "RESTFUL_CLIENT_DELAY": 250,
       "RESTFUL_CLIENT_RETRY": 5
     },
     "dev": {},
     "qa": {},
     "sand": {},
     "prod": {}
   }

Migrating from 0.x.x to 1.x.x

Looking to use the latest version of protocol-common, but currently using an older version? See this doc for migration instructions.