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srtool is a docker image that allows building Substrate WASM Runtimes in a deterministic manner. It ensures that all srtool users (and tooling), using the same/latest tag, will produce 100% exactly the same runtime. It enables further trustless verifications.
This repository contains a custom Github Action that will help you integrate srtool in your Github CI.
Gitlab users are not left behind and can use the 2 first options mentioned below.
There are now several ways to use srtool in your project:
-
using
srtoolvia alias: powerful but very verbose and prone to errors. This is for developers. This option is being deprecated and not recommended. -
using the srtool-cli: much easier to use and removes a whole bunch of potential user’s mistakes. This is for developers.
-
using the srtool-app: the easiest option of all thanks to its GUI. This is good for non-developers.
-
using the Github actions from this repo. This is for your automatic CI.
In order to use this Github Action, you will need a Github repository with your Substrate based project. You can learn how to get started with a first Github workflow here.
Before you setup your new workflow, you should gather the following information:
-
name of your chain: ie. polkadot
-
runtime package: ie. runtime-polkadot
-
location of your runtime: ie. runtime/polkadot
If your project uses standard values (such as your runtime package being named xyz-runtime if your chain is xyz), you will be able to skip many of the inputs. If you have a different setup, you can override the defaults to make it work for you.
Make sure you store the yml files shown below in your repository under .github/workflows.
basic.yml
name: Srtool build
on: push
jobs:
srtool:
runs-on: ubuntu-latest
strategy:
matrix:
chain: ["asset-hub-kusama", "asset-hub-westend"]
steps:
- uses: actions/checkout@v3
- name: Srtool build
id: srtool_build
uses: chevdor/srtool-actions@v0.8.0
with:
chain: ${{ matrix.chain }}
runtime_dir: polkadot-parachains/${{ matrix.chain }}-runtime
- name: Summary
run: |
echo '${{ steps.srtool_build.outputs.json }}' | jq . > ${{ matrix.chain }}-srtool-digest.json
cat ${{ matrix.chain }}-srtool-digest.json
echo "Runtime location: ${{ steps.srtool_build.outputs.wasm }}"
name: Srtool build
on: push
jobs:
srtool:
runs-on: ubuntu-latest
strategy:
matrix:
chain: ["westend"]
steps:
- uses: actions/checkout@v3
- name: Srtool build
id: srtool_build
uses: chevdor/srtool-actions@v0.8.0
with:
chain: ${{ matrix.chain }}
- name: Summary
run: |
echo Summary:
echo - version: ${{ steps.srtool_build.outputs.version }}
echo - info: ${{ steps.srtool_build.outputs.info }}
echo - prop: ${{ steps.srtool_build.outputs.proposal_hash }}
echo - json: ${{ steps.srtool_build.outputs.json }}
name: Srtool build
on: push
jobs:
srtool:
runs-on: ubuntu-latest
strategy:
matrix:
chain: ["asset-hub-kusama", "asset-hub-westend"]
steps:
- uses: actions/checkout@v3
- name: Srtool build
id: srtool_build
uses: chevdor/srtool-actions@v0.8.0
with:
chain: ${{ matrix.chain }}
runtime_dir: polkadot-parachains/${{ matrix.chain }}-runtime
- name: Summary
run: |
echo '${{ steps.srtool_build.outputs.json }}' | jq . > ${{ matrix.chain }}-srtool-digest.json
cat ${{ matrix.chain }}-srtool-digest.json
echo "Runtime location: ${{ steps.srtool_build.outputs.wasm }}"
- name: Archive Runtime
uses: actions/upload-artifact@v2
with:
name: ${{ matrix.chain }}-runtime-${{ github.sha }}
path: |
${{ steps.srtool_build.outputs.wasm }}
${{ matrix.chain }}-srtool-digest.json
name: Srtool build
on: push
jobs:
srtool:
runs-on: ubuntu-latest
strategy:
matrix:
chain: ["asset-hub-kusama", "asset-hub-westend"]
steps:
- uses: actions/checkout@v3
- name: Srtool build
id: srtool_build
uses: chevdor/srtool-actions@v0.8.0
env:
# optional: will be passed to docker srtool run cmd
BUILD_OPTS: "--features on-chain-release-build"
with:
chain: ${{ matrix.chain }}
runtime_dir: polkadot-parachains/${{ matrix.chain }}-runtime
- name: Summary
run: |
echo '${{ steps.srtool_build.outputs.json }}' | jq . > ${{ matrix.chain }}-srtool-digest.json
cat ${{ matrix.chain }}-srtool-digest.json
echo "Runtime location: ${{ steps.srtool_build.outputs.wasm }}"
name: Srtool build
on: push
jobs:
srtool:
runs-on: ubuntu-latest
strategy:
matrix:
chain: ["asset-hub-kusama", "asset-hub-westend"]
steps:
- uses: actions/checkout@v3
- name: Srtool build
id: srtool_build
uses: chevdor/srtool-actions@v0.8.0
env:
# optional: will override the parachain pallet ID and authorize_upgrade call ID,
# which will result in a different parachain_authorize_upgrade_hash
# the hex values must be quoted
PARACHAIN_PALLET_ID: "0x1e"
AUTHORIZE_UPGRADE_PREFIX: "0x02"
with:
chain: ${{ matrix.chain }}
runtime_dir: polkadot-parachains/${{ matrix.chain }}-runtime
- name: Summary
run: |
echo '${{ steps.srtool_build.outputs.json }}' | jq . > ${{ matrix.chain }}-srtool-digest.json
cat ${{ matrix.chain }}-srtool-digest.json
echo "Runtime location: ${{ steps.srtool_build.outputs.wasm }}"
Similar to subwasm, the parachain pallet ID and the authorize_upgrade call ID can be overriden by PARACHAIN_PALLET_ID and AUTHORIZE_UPGRADE_PREFIX environmental variables, respectively. It will affect the generated proposal hash parachain_authorize_upgrade_hash.
If unset, the two envs will have the following default values:
-
PARACHAIN_PALLET_ID:0x01 -
AUTHORIZE_UPGRADE_PREFIX:0x02
This project is using asciidoc for its documentation. You should not edit any mardown file (.md) as your changes would be dismissed.
Instead you should be editing the .adoc file and the markdown files will be generated. If you create a PR and do not have any of the required tooling, feel free to only edit the .adoc. files and I will generate the new .md.
Due to a bug in act, the defaults defined in the action are not applied. That means must pass all the inputs while testing with act.
You can test locally using act:
act -W tests
To make it easier, you can also use just:
just test <test_name>
For instance:
# Run the default dev workflow: tests/dev.yml
just test
# Run the ipfs test workflow
just test ipfs