121 lines
4.6 KiB
Markdown
121 lines
4.6 KiB
Markdown
- [ipld-ethcl-indexer](#ipld-ethcl-indexer)
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- [Running the Application](#running-the-application)
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- [Development Patterns](#development-patterns)
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- [Logging](#logging)
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- [Testing](#testing)
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- [Contribution](#contribution)
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- [Branching Structure](#branching-structure)
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<small><i><a href='http://ecotrust-canada.github.io/markdown-toc/'>Table of contents generated with markdown-toc</a></i></small>
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# ipld-ethcl-indexer
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This application will capture all the `BeaconState`'s and `SignedBeaconBlock`'s from the consensus chain on Ethereum. This application is going to connect to the lighthouse client, but hypothetically speaking, it should be interchangeable with any eth2 beacon node.
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To learn more about the applications individual components, please read the [application components](/application_component.md).
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# Quick Start
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## Running the Application
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To run the application, do as follows:
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1. Setup the prerequisite applications.
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a. Run a beacon client (such as lighthouse).
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b. Run a postgres DB for ethcl.
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c. You can utilize the `stack-orchestrator` [repository](https://github.com/vulcanize/stack-orchestrato).
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```
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./wrapper.sh -e skip \
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-d ../docker/local/docker-compose-ethcl-db.yml \
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-d ../docker/latest/docker-compose-lighthouse.yml \
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-v remove \
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-p ../local-config.sh
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```
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2. Run the start up command.
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```
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go run -race main.go capture head --db.address localhost \
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--db.password password \
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--db.port 8076 \
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--db.username vdbm \
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--db.name vulcanize_testing \
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--db.driver PGX \
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--bc.address localhost \
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--bc.port 5052 \
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--bc.connectionProtocol http \
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--t.skipSync=true \
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--log.level info \
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--log.output=true \
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--kg.increment 100
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```
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## Running Tests
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To run tests, you will need to clone another repository which contains all the ssz files.
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1. `git clone git@github.com:vulcanize/ssz-data.git pkg/beaconclient/ssz-data`
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2. To run unit tests, make sure you have a DB running: `make unit-test-local`
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3. To run integration tests, make sure you have a lighthouse client and a DB running: `make integration-test-local-no-race` .
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# Development Patterns
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This section will cover some generic development patterns utilizes.
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## Logging
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For logging, please keep the following in mind:
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- Utilize logrus.
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- Use `log.Debug` to highlight that you are **about** to do something.
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- Use `log.Info-Fatal` when the thing you were about to do has been completed, along with the result.
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```
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log.Debug("Adding 1 + 2")
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a := 1 + 2
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log.Info("1 + 2 successfully Added, outcome is: ", a)
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```
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- `loghelper.LogError(err)` is a pretty wrapper to output errors.
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## Testing
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This project utilizes `ginkgo` for testing. A few notes on testing:
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- All tests within this code base will test **public methods only**.
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- All test packages are named `{base_package}_test`. This ensures we only test the public methods.
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- If there is a need to test a private method, please include why in the testing file.
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- Unit tests must contain the `Label("unit")`.
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- Unit tests should not rely on any running service (except for a postgres DB). If a running service is needed. Utilize an integration test.
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- Integration tests must contain the `Label("integration")`.
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#### Understanding Testing Components
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A few notes about the testing components.
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- The `TestEvents` map contains several events for testers to leverage when testing.
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- Any object ending in `-dummy` is not a real object. You will also notice it has a present field called `MimicConfig`. This object will use an existing SSZ object, and update the parameters from the `Head` and `MimicConfig`.
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- This is done because creating an empty or minimal `SignedBeaconBlock` and `BeaconState` is fairly challenging.
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- By slightly modifying an existing object, we can test re-org, malformed objects, and other negative conditions.
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# Contribution
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If you want to contribute please make sure you do the following:
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- Create a Github issue before starting your work.
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- Follow the branching structure.
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- Delete your branch once it has been merged.
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- Do not delete the `develop` branch. We can add branch protection once we make the branch public.
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## Branching Structure
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The branching structure is as follows: `main` <-- `develop` <-- `your-branch`.
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It is adviced that `your-branch` follows the following structure: `{type}/{issue-number}-{description}`.
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- `type` - This can be anything identifying the reason for this PR, for example: `bug`, `feature`, `release`.
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- `issue-number` - This is the issue number of the GitHub issue. It will help users easily find a full description of the issue you are trying to solve.
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- `description` - A few words to identify your issue.
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