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chainplane v0.2.0 — Kubernetes operator for blockchain full nodes
A Kubernetes operator for deploying and managing blockchain full nodes across 102 supported chains, with chain-specific health monitoring, MinIO snapshot bootstrapping and an admission webhook enforcing minimum resource requirements. API: chains.chainplane.io/v1alpha2 (kind: ChainInstance, ChainVersionCatalog). Licensed under the Apache License 2.0.
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‎.devcontainer/devcontainer.json‎

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{
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"name": "Kubebuilder DevContainer",
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"image": "docker.io/golang:1.23",
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"features": {
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"ghcr.io/devcontainers/features/docker-in-docker:2": {},
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"ghcr.io/devcontainers/features/git:1": {}
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},
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"runArgs": ["--network=host"],
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"customizations": {
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"vscode": {
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"settings": {
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"terminal.integrated.shell.linux": "/bin/bash"
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},
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"extensions": [
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"ms-kubernetes-tools.vscode-kubernetes-tools",
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"ms-azuretools.vscode-docker"
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]
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}
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},
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"onCreateCommand": "bash .devcontainer/post-install.sh"
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}
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‎.devcontainer/post-install.sh‎

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#!/bin/bash
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set -x
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curl -Lo ./kind https://kind.sigs.k8s.io/dl/latest/kind-linux-amd64
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chmod +x ./kind
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mv ./kind /usr/local/bin/kind
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curl -L -o kubebuilder https://go.kubebuilder.io/dl/latest/linux/amd64
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chmod +x kubebuilder
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mv kubebuilder /usr/local/bin/
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KUBECTL_VERSION=$(curl -L -s https://dl.k8s.io/release/stable.txt)
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curl -LO "https://dl.k8s.io/release/$KUBECTL_VERSION/bin/linux/amd64/kubectl"
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chmod +x kubectl
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mv kubectl /usr/local/bin/kubectl
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docker network create -d=bridge --subnet=172.19.0.0/24 kind
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kind version
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kubebuilder version
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docker --version
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go version
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kubectl version --client

‎.dockerignore‎

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# More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
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# Ignore build and test binaries.
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bin/

‎.github/workflows/helm.yml‎

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name: Helm
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on:
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push:
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pull_request:
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jobs:
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helm:
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name: Run on Ubuntu
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runs-on: ubuntu-latest
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steps:
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- name: Clone the code
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uses: actions/checkout@v4
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- name: Install Helm
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uses: azure/setup-helm@v4
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- name: Run helm lint
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run: helm lint charts/chainplane
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- name: Run helm template
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run: helm template chainplane charts/chainplane

‎.github/workflows/lint.yml‎

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name: Lint
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on:
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push:
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pull_request:
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jobs:
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lint:
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name: Run on Ubuntu
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runs-on: ubuntu-latest
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steps:
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- name: Clone the code
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uses: actions/checkout@v4
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- name: Setup Go
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uses: actions/setup-go@v5
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with:
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go-version-file: go.mod
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- name: Run linter
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uses: golangci/golangci-lint-action@v7
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with:
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version: v2.11.4

‎.github/workflows/release.yml‎

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name: Release
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on:
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push:
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tags:
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- "v*"
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jobs:
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release:
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name: Build and Release
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runs-on: ubuntu-latest
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permissions:
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contents: write
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packages: write
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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- name: Setup Go
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uses: actions/setup-go@v5
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with:
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go-version: "1.25"
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- name: Sanity check
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run: go build ./... && go vet ./...
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- name: Login to GitHub Container Registry
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uses: docker/login-action@v3
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with:
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registry: ghcr.io
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Set up QEMU
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uses: docker/setup-qemu-action@v3
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Build and push multi-arch image
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uses: docker/build-push-action@v5
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with:
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context: .
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platforms: linux/amd64,linux/arm64
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push: true
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tags: |
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ghcr.io/tazhate/chainplane:${{ github.ref_name }}
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ghcr.io/tazhate/chainplane:latest
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- name: Package and push Helm chart to GHCR
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run: |
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VERSION=${GITHUB_REF_NAME#v}
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helm package charts/chainplane --version ${VERSION}
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helm push chainplane-${VERSION}.tgz oci://ghcr.io/tazhate/charts
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- name: Create GitHub Release
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uses: softprops/action-gh-release@v2
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with:
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generate_release_notes: true
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files: chainplane-*.tgz

‎.github/workflows/test-e2e.yml‎

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name: E2E Tests
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on:
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push:
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pull_request:
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jobs:
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test-e2e:
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name: Run on Ubuntu
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runs-on: ubuntu-latest
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steps:
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- name: Clone the code
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uses: actions/checkout@v4
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- name: Setup Go
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uses: actions/setup-go@v5
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with:
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go-version-file: go.mod
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- name: Install the latest version of kind
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run: |
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curl -Lo ./kind https://kind.sigs.k8s.io/dl/latest/kind-linux-amd64
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chmod +x ./kind
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sudo mv ./kind /usr/local/bin/kind
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- name: Verify kind installation
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run: kind version
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- name: Create kind cluster
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run: kind create cluster
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- name: Running Test e2e
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run: |
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go mod tidy
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make test-e2e

‎.github/workflows/test.yml‎

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name: Tests
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on:
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push:
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pull_request:
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jobs:
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test:
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name: Run on Ubuntu
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runs-on: ubuntu-latest
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steps:
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- name: Clone the code
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uses: actions/checkout@v4
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- name: Setup Go
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uses: actions/setup-go@v5
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with:
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go-version-file: go.mod
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- name: Install setup-envtest
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run: go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
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- name: Running Tests
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run: |
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go mod tidy
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K8S_VERSION=$(go list -m -f "{{ .Version }}" k8s.io/api | awk -F'[v.]' '{printf "1.%d", $3}')
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KUBEBUILDER_ASSETS="$($(go env GOPATH)/bin/setup-envtest use ${K8S_VERSION} --bin-dir $(pwd)/bin/k8s -p path)"
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export KUBEBUILDER_ASSETS
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go test $(go list ./... | grep -v /e2e) -coverprofile cover.out

‎.github/workflows/version-update.yml‎

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name: Update node image versions
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on:
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schedule:
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- cron: '0 8 * * 1' # каждый понедельник 08:00 UTC
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workflow_dispatch:
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jobs:
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update-versions:
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runs-on: ubuntu-latest
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permissions:
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contents: write
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pull-requests: write
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steps:
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- uses: actions/checkout@v4
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- uses: actions/setup-go@v5
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with:
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go-version-file: go.mod
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cache: true
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- name: Check for version updates
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run: go run ./cmd/versioncheck --update
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env:
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# Optional: set to avoid Docker Hub anonymous rate limits (600 req/h)
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DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
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- name: Verify build after update
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run: go build ./...
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- name: Run linter
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uses: golangci/golangci-lint-action@v7
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with:
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version: v2.11.4
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- name: Run tests
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run: go test ./internal/adapters/... ./internal/registry/... ./api/...
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- name: Create PR
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id: cpr
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uses: peter-evans/create-pull-request@v7
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with:
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token: ${{ secrets.GH_PAT }}
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commit-message: |
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chore: update blockchain node default images
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Ran cmd/versioncheck against upstream registries.
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Updated internal/adapters/versions_gen.go.
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title: 'chore: update node images'
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body: |
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## Automated image version update
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`cmd/versioncheck` found newer stable tags in upstream registries and updated
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`internal/adapters/versions_gen.go`.
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Pre-releases (alpha/beta/rc), nightly and floating tags (latest, canary)
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are automatically skipped.
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Build, lint and tests passed. Safe to auto-merge.
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branch: chore/update-node-images
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delete-branch: true
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labels: dependencies
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- name: Enable auto-merge
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if: steps.cpr.outputs.pull-request-number
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run: gh pr merge --auto --squash "${{ steps.cpr.outputs.pull-request-number }}"
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

‎.gitignore‎

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# Binaries for programs and plugins
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*.exe
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*.exe~
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*.dll
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*.so
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*.dylib
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bin/*
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Dockerfile.cross
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# Test binary, built with `go test -c`
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*.test
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# Output of the go coverage tool, specifically when used with LiteIDE
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*.out
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# Go workspace file
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go.work
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# Kubernetes Generated files - skip generated files, except for vendored files
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!vendor/**/zz_generated.*
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# editor and IDE paraphernalia
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.idea
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.vscode
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*.swp
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*.swo
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*~
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# Claude Code
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.claude/
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.beads/
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# Build artifacts
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/bin/
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cover.out
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# Distribution artifacts
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/dist/
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# Test binaries
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testbin/
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# Compiled binaries (use bin/ for build artifacts)
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versioncheck
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# Logo lives in assets/, not in repo root
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/logo.png

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