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gh-tangle-release/README.md
Martyn Janes a8874af982 Update readme
2019-12-20 10:11:06 +01:00

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# GitHub Action to Add Release Metadata to The IOTA Tangle
This GitHub Action will take the contents of your GitHub tagged release and create an associated transaction on the IOTA Tangle. This way the data associated with the release becomes immutable.
The action will perform the following steps:
* Load the release tagged by the input `tag_name`
* Create a signature for the content of `tarball_url`
* Create a signature for the content of `zipball_url`
* Create a signature for each of the attached assets
* Attach a payload to the IOTA Tangle with information about the release and the hashes
### Inputs
- `tag_name`: The name of the tag for this release
- `comment`: An optional comment to include in the Tangle payload
### Outputs
- `tx_hash`: The hash of the transaction on the Tangle
- `tx_explore_url`: A url which can be used to explore the transaction on the Tangle
## Example Payload
```json
{
"owner": "an-owner",
"repo": "test-repo",
"tag_name": "v0.1.0",
"name": "First full release",
"comment": "My Awesome Release",
"body": "This is the body of the description.",
"tarball_url": "https://api.github.com/repos/an-owner/test-repo/tarball/v0.1.0",
"tarball_sig": "Me3ouGni0h50TOHQklopu3sJdLFh/ZVlPJom3aDRFVQ=",
"zipball_url": "https://api.github.com/repos/an-owner/test-repo/zipball/v0.1.0",
"zipball_sig": "jyQ8U1T4oMSEbT3e9NTuFyoMskwAvti3nmiYKtuh8LU=",
"assets": [
{
"name": "attach-1.zip",
"size": 150752,
"url": "https://github.com/an-owner/test-repo/releases/download/v0.1.0/attach-1.zip",
"sig": "YQylonV2i+5KtwVN0FxTU7ssWflX+6fC29COSbFOmfQ="
},
{
"name": "attach-2.zip",
"size": 153054,
"url": "https://github.com/an-owner/test-repo/releases/download/v0.1.0/attach-2.zip",
"sig": "a+Rgpf5gs0lpCJ8wt+eymkTdo99RbcP0o1PgLCIT2NE="
}
]
}
```
## Usage
Create a GitHub workflow in you repo e.g. `/.github/workflows/tangle-release.yml`.
Most of the environment variables are optional, except for the `IOTA_SEED` which must be 81 trytes in length. For more details on creating a seed see [IOTA Docs - Getting Started - Creating A Seed](https://docs.iota.org/docs/getting-started/0.1/tutorials/create-a-seed)
```yaml
on:
push:
tags:
- 'v*' # Push events to matching v*
name: Create Immutable Release
jobs:
build:
name: Create Immutable Release
runs-on: ubuntu-latest
steps:
- name: Tangle Release
id: tangle_release
uses: iotaledger/gh-tangle-release@v0.5.2
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
IOTA_SEED: ${{ secrets.IOTA_SEED }}
IOTA_NODE: ${{ secrets.IOTA_NODE }} # Optional, defaults to https://nodes.iota.cafe:443
IOTA_ADDRESS_INDEX: ${{ secrets.IOTA_ADDRESS_INDEX }} # Optional, defaults to 0
IOTA_DEPTH: ${{ secrets.IOTA_DEPTH }} # Optional, defaults to 3
IOTA_MWM: ${{ secrets.IOTA_MWM }} # Optional, defaults to 14
IOTA_TAG: ${{ secrets.IOTA_TAG }} # Optional, defaults to GITHUB9RELEASE
IOTA_EXPLORE_URL: ${{ secrets.IOTA_EXPLORE_URL }} # Optional, defaults to https://utils.iota.org/transaction/:hash
with:
tag_name: ${{ github.ref }}
comment: My Awesome Release
```