@chainlink/external-adapter-framework v0.33.8
EA Framework v3
Warning This framework is in a Beta state, and under active development. While many of the features from version 2 are present, they have not been tested extensively enough to mark this as production ready. You can find v2 in the External Adapters Monorepo
Framework to create External adapters, microservices that serve as middleware to facilitate connections between Chainlink Nodes and Data Providers (DP).
Requirements
- Node.js 16+
- Yarn
Optional development tools
If available, consider setting up your development environment with:
- ESLint
- Prettier
Note that both of the above are not necessary, but PRs submitted to the repo will be blocked from merging unless they comply with the linting and formatting rules.
Setup
yarn # Install yarn dependencies
Guides & Docs
- Basics
- Components
- Guides
- Reference Tables
Testing
The EA framework is tested by a suite of integration tests located here.
yarn test
Publishing releases
Automatic
The normal flow for publishing a release is through a series o GitHub actions that are triggered when a PR is closed by merging with the base branch. Full details about our workflows can be found in docs. A summary of our publish workflow follows:
- Close a PR containing your changes
- If the PR was merged and if it contains a version label instruction (patch, minor, major, none), a new PR will be created that contains the result of running
npm version LABEL
on main with the original PR author assigned as a reviewer. - A link to the newly created version bump PR will be added to your original PR. Click on that link, and approve it to be merged.
- Close the version bump PR. If merged, the package will be published to npm.
- When the publish workflow finishes, a comment will be added to the version bump PR that tells you if it ran successfully
This adds an extra step (approving a version bump PR) that has to be taken every time a PR is merged. This is annoying, but it is an effective workaround for permissions issues when running against protected branches, and eliminates the need for the PR author to manually update their branch's version by referring to main.
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