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change(docs): Add publishing crates as part of release checklist (#6909) 

* change(docs): Add instructions for publishing crates as part of release checklist

* Update release-checklist.md

* Update .github/PULL_REQUEST_TEMPLATE/release-checklist.md

Co-authored-by: teor <teor@riseup.net>

* Update .github/PULL_REQUEST_TEMPLATE/release-checklist.md

Co-authored-by: teor <teor@riseup.net>

* Rewrite the release checklist using `cargo release`

* Minimise diff

* Re-order testing, minimise diff

* Add checkbox to checkpoints instruction

* Tag/promote release, then publish crates, then publish docker images

---------

Co-authored-by: teor <teor@riseup.net>
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@ -7,85 +7,15 @@ assignees: ''
---
## Versioning
# Prepare for the Release
### How to Increment Versions
Zebra follows [semantic versioning](https://semver.org). Semantic versions look like: MAJOR`.`MINOR`.`PATCH[`-`TAG`.`PRE-RELEASE]
The [draft `zebrad` changelog](https://github.com/ZcashFoundation/zebra/releases) will have an automatic version bump. This version is based on [the labels on the PRs in the release](https://github.com/ZcashFoundation/zebra/blob/main/.github/release-drafter.yml).
Check that the automatic `zebrad` version increment matches the changes in the release:
<details>
If we're releasing a mainnet network upgrade, it is a `major` release:
1. Increment the `major` version of _*all*_ the Zebra crates.
2. Increment the `patch` version of the tower crates.
If we're not releasing a mainnet network upgrade, check for features, major changes, deprecations, and removals. If this release has any, it is a `minor` release:
1. Increment the `minor` version of `zebrad`.
2. Increment the `pre-release` version of the other crates.
3. Increment the `patch` version of the tower crates.
Otherwise, it is a `patch` release:
1. Increment the `patch` version of `zebrad`.
2. Increment the `pre-release` version of the other crates.
3. Increment the `patch` version of the tower crates.
Zebra's Rust API is not stable or supported, so we keep all the crates on the same beta `pre-release` version.
</details>
### Version Locations
Once you know which versions you want to increment, you can find them in the:
zebrad (rc):
- [ ] zebrad `Cargo.toml`
- [ ] `README.md`
- [ ] `book/src/user/docker.md`
crates (beta):
- [ ] zebra-* `Cargo.toml`s
tower (patch):
- [ ] tower-* `Cargo.toml`s
auto-generated:
- [ ] `Cargo.lock`: run `cargo build` after updating all the `Cargo.toml`s
#### Version Tooling
You can use `fastmod` to interactively find and replace versions.
For example, you can do something like:
```
fastmod --extensions rs,toml,md --fixed-strings '1.0.0' '1.1.0' zebrad README.md zebra-network/src/constants.rs book/src/user/docker.md
fastmod --extensions rs,toml,md --fixed-strings '1.0.0-beta.15' '1.0.0-beta.16' zebra-*
fastmod --extensions rs,toml,md --fixed-strings '0.2.30' '0.2.31' tower-batch tower-fallback
cargo build
```
If you use `fastmod`, don't update versions in `CHANGELOG.md` or `zebra-dependencies-for-audit.md`.
## README
Update the README to:
- [ ] Remove any "Known Issues" that have been fixed
- [ ] Update the "Build and Run Instructions" with any new dependencies.
Check for changes in the `Dockerfile` since the last tag: `git diff <previous-release-tag> docker/Dockerfile`.
- [ ] If Zebra has started using newer Rust language features or standard library APIs, update the known working Rust version in the README, book, and `Cargo.toml`s
You can use a command like:
```sh
fastmod --fixed-strings '1.58' '1.65'
```
These release steps can be done a week before the release, in separate PRs.
They can be skipped for urgent releases.
## Checkpoints
For performance and security, we want to update the Zebra checkpoints in every release.
You can copy the latest checkpoints from CI by following [the zebra-checkpoints README](https://github.com/ZcashFoundation/zebra/blob/main/zebra-utils/README.md#zebra-checkpoints).
- [ ] You can copy the latest checkpoints from CI by following [the zebra-checkpoints README](https://github.com/ZcashFoundation/zebra/blob/main/zebra-utils/README.md#zebra-checkpoints).
## Missed Dependency Updates
@ -97,6 +27,57 @@ Here's how we make sure we got everything:
- [ ] Open a separate PR with the changes
- [ ] Add the output of `cargo update` to that PR as a comment
# Make Release Changes
These release steps can be done a few days before the release, in the same PR:
- [ ] Make sure the PRs with the new checkpoint hashes and missed dependencies are already merged
## Versioning
### How to Increment Versions
Zebra follows [semantic versioning](https://semver.org). Semantic versions look like: MAJOR.MINOR.PATCH[-TAG.PRE-RELEASE]
Choose a release level for `zebrad` based on the changes in the release that users will see:
- mainnet network upgrades are `major` releases
- new features, large changes, deprecations, and removals are `minor` releases
- otherwise, it is a `patch` release
Zebra's Rust API doesn't have any support or stability guarantees, so we keep all the `zebra-*` and `tower-*` crates on a beta `pre-release` version.
### Update Crate Versions
<details>
<summary>If you're publishing crates for the first time:</summary>
- [ ] Install `cargo-release`: `cargo install cargo-release`
- [ ] Make sure you are an owner of the crate or [a member of the Zebra crates.io `owners` group on GitHub](https://github.com/orgs/ZcashFoundation/teams/owners)
</details>
- [ ] Update crate versions and do a release dry-run:
- [ ] `cargo release version --verbose --workspace --exclude zebrad beta`
- [ ] `cargo release version --verbose --package zebrad [ major | minor | patch ]`
- [ ] `cargo release publish --verbose --workspace --dry-run`
- [ ] Commit the version changes to your release PR branch using `git`: `cargo release commit --verbose --workspace`
## README
README updates can be skipped for urgent releases.
Update the README to:
- [ ] Remove any "Known Issues" that have been fixed since the last release.
- [ ] Update the "Build and Run Instructions" with any new dependencies.
Check for changes in the `Dockerfile` since the last tag: `git diff <previous-release-tag> docker/Dockerfile`.
- [ ] If Zebra has started using newer Rust language features or standard library APIs, update the known working Rust version in the README, book, and `Cargo.toml`s
You can use a command like:
```sh
fastmod --fixed-strings '1.58' '1.65'
```
## Change Log
**Important**: Any merge into `main` deletes any edits to the draft changelog.
@ -106,55 +87,43 @@ We use [the Release Drafter workflow](https://github.com/marketplace/actions/rel
To create the final change log:
- [ ] Copy the **latest** draft changelog into `CHANGELOG.md` (there can be multiple draft releases)
- [ ] Delete any trivial changes. Keep the list of those, to include in the PR
- [ ] Delete any trivial changes
- [ ] Put the list of deleted changelog entries in a PR comment to make reviewing easier
- [ ] Combine duplicate changes
- [ ] Edit change descriptions so they are consistent, and make sense to non-developers
- [ ] Edit change descriptions so they will make sense to Zebra users
- [ ] Check the category for each change
- Prefer the "Fix" category if you're not sure
## Update End of Support
The end of support height is calculated from the current blockchain height:
- [ ] Find where the Zcash blockchain tip is now by using a [Zcash explorer](https://zcashblockexplorer.com/blocks) or other tool.
- [ ] Replace `ESTIMATED_RELEASE_HEIGHT` in [`end_of_support.rs`](https://github.com/ZcashFoundation/zebra/blob/main/zebrad/src/components/sync/end_of_support.rs) with the height you estimate the release will be tagged.
<details>
#### Change Categories
<summary>Optional: calculate the release tagging height</summary>
From "Keep a Changelog":
* `Added` for new features.
* `Changed` for changes in existing functionality.
* `Deprecated` for soon-to-be removed features.
* `Removed` for now removed features.
* `Fixed` for any bug fixes.
* `Security` in case of vulnerabilities.
- Add `1152` blocks for each day until the release
- For example, if the release is in 3 days, add `1152 * 3` to the current Mainnet block height
</details>
## Release support constants
Needed for the end of support feature. Please update the following constants [in this file](https://github.com/ZcashFoundation/zebra/blob/main/zebrad/src/components/sync/end_of_support.rs):
- [ ] `ESTIMATED_RELEASE_HEIGHT` (required) - Replace with the estimated height you estimate the release will be tagged.
<details>
- Find where the Zcash blockchain tip is now by using a [Zcash explorer](https://zcashblockexplorer.com/blocks) or other tool.
- Consider there are aprox `1152` blocks per day (with the current Zcash `75` seconds spacing).
- So for example if you think the release will be tagged somewhere in the next 3 days you can add `1152 * 3` to the current tip height and use that value here.
</details>
## Create the Release
### Create the Release PR
After you have the version increments, the updated checkpoints, any missed dependency updates,
and the updated changelog:
- [ ] Make sure the PRs with the new checkpoint hashes and missed dependencies are already merged
- [ ] Push the version increments, the updated changelog and the release constants into a branch
(for example: `bump-v1.0.0` - this needs to be different to the tag name)
- [ ] Push the version increments, the updated changelog, and the release constants into a branch,
for example: `bump-v1.0.0` - this needs to be different to the tag name
- [ ] Create a release PR by adding `&template=release-checklist.md` to the comparing url ([Example](https://github.com/ZcashFoundation/zebra/compare/bump-v1.0.0?expand=1&template=release-checklist.md)).
- [ ] Add the list of deleted changelog entries as a comment to make reviewing easier.
- [ ] Freeze the [`batched` queue](https://dashboard.mergify.com/github/ZcashFoundation/repo/zebra/queues) using Mergify.
- [ ] Mark all the release PRs as `Critical` priority, so they go in the `urgent` Mergify queue.
### Create the Release
- [ ] Once the PR has been merged, create a new release using the draft release as a base, by clicking the Edit icon in the [draft release](https://github.com/ZcashFoundation/zebra/releases)
# Release Zebra
## Create the GitHub Pre-Release
- [ ] Wait for all the release PRs to be merged
- [ ] Create a new release using the draft release as a base, by clicking the Edit icon in the [draft release](https://github.com/ZcashFoundation/zebra/releases)
- [ ] Set the tag name to the version tag,
for example: `v1.0.0`
- [ ] Set the release to target the `main` branch
@ -167,23 +136,30 @@ and the updated changelog:
- [ ] Publish the pre-release to GitHub using "Publish Release"
- [ ] Delete all the [draft releases from the list of releases](https://github.com/ZcashFoundation/zebra/releases)
## Binary Testing
## Test the Pre-Release
- [ ] Wait until the [Docker binaries have been built on `main`](https://github.com/ZcashFoundation/zebra/actions/workflows/continous-integration-docker.yml), and the quick tests have passed.
(You can ignore the full sync and `lightwalletd` tests, because they take about a day to run.)
- [ ] Wait until the [pre-release deployment machines have successfully launched](https://github.com/ZcashFoundation/zebra/actions/workflows/continous-delivery.yml)
## Publish Release
- [ ] [Publish the release to GitHub](https://github.com/ZcashFoundation/zebra/releases) by disabling 'pre-release', then clicking "Set as the latest release"
## Publish Crates
- [ ] Run `cargo login`
- [ ] Publish the crates to crates.io: `cargo release publish --verbose --workspace --execute`
- [ ] Check that Zebra can be installed from `crates.io`:
`cargo install --force --version 1.0.0 zebrad && ~/.cargo/bin/zebrad`
## Publish Docker Images
- [ ] Wait until [the Docker images have been published](https://github.com/ZcashFoundation/zebra/actions/workflows/release-binaries.yml)
- [ ] Test the Docker image using `docker run --tty --interactive zfnd/zebra:v1.0.0`,
and put the output in a comment on the PR.
(You can use [gcloud cloud shell](https://console.cloud.google.com/home/dashboard?cloudshell=true))
- [ ] Un-freeze the [`batched` queue](https://dashboard.mergify.com/github/ZcashFoundation/repo/zebra/queues) using Mergify.
## Telling Zebra Users
- [ ] Post a summary of the important changes in the release in the `#arborist` and `#communications` Slack channels
## Release Failures
If building or running fails after tagging:
@ -191,9 +167,9 @@ If building or running fails after tagging:
<details>
1. Fix the bug that caused the failure
2. Increment the patch version again, following these instructions from the start
3. Update the code and documentation with a **new** git tag
2. Start a new `patch` release
3. Skip the **Release Preparation**, and start at the **Release Changes** step
4. Update `CHANGELOG.md` with details about the fix
5. Tag a **new** release
5. Follow the release checklist for the new Zebra version
</details>