Start implementing Validator plugin

.dockerignore

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+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# IDE related files
+.vscode/
+
+# Git related files
+.github/
+.git/
+
+# Docker related files
+.dockerignore
+docker-compose.yml
+
+# Documentation
+documentation/
+
+# Scripts + Tools
+scripts/
+tools/
+
+# OSX related files
+.DS_Store
+
+# Executable
+/inx-validator

.github/dependabot.yml

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+
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    target-branch: "develop"

.github/workflows/build.yml

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+name: Build
+
+on:
+  pull_request
+
+jobs:
+  build:
+    name: Go
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.21"
+        id: go
+
+      - name: Print Go version
+        run: go version
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: Build
+        run: go build -v .
+
+  build_docker:
+    name: Docker
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: Build Docker image
+        run: docker build . --file Dockerfile --tag inx-validator:latest

.github/workflows/gendoc.yml

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+name: gendoc
+
+on:
+  push:
+    branches:
+      - develop
+
+jobs:
+  gendoc:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.21"
+        id: go
+
+      - name: Print Go version
+        run: go version
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: Run gendoc
+        working-directory: tools/gendoc
+        run: go mod tidy && go run main.go
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          title: "chore(gendoc): update docs"
+          commit-message: "chore(gendoc): update docs"
+          body: |
+            Generated new config documentation.
+            This PR is auto generated by [gendoc workflow](https://github.com/${{ github.repository }}/actions?query=workflow%3Agendoc).
+          branch: chore/gendoc
+          base: develop
+          add-paths: |
+            *.json
+            *.md

.github/workflows/golangci-lint.yml

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+name: GolangCIlint
+
+on:
+  pull_request:
+    paths-ignore:
+      - 'documentation/**'
+      - 'scripts/**'
+      - 'tools/**'
+
+jobs:
+  golangci-lint:
+    name: GolangCI-Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: golangci-lint
+        uses: reviewdog/action-golangci-lint@v2
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          golangci_lint_flags: "--timeout=10m"
+          reporter: github-pr-check
+          filter_mode: nofilter
+          fail_on_error: true

.github/workflows/release.yml

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+name: Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  docker:
+    name: Release Docker
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: iotaledger/inx-validator
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=match,pattern=v(\d+.\d+),suffix=-alpha,group=1,enable=${{ contains(github.ref, '-alpha') }}
+            type=match,pattern=v(\d+.\d+),suffix=-beta,group=1,enable=${{ contains(github.ref, '-beta') }}
+            type=match,pattern=v(\d+.\d+),suffix=-rc,group=1,enable=${{ contains(github.ref, '-rc') }}
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.IOTALEDGER_DOCKER_USERNAME }}
+          password: ${{ secrets.IOTALEDGER_DOCKER_PASSWORD }}
+
+      - name: Build and push to Dockerhub
+        uses: docker/build-push-action@v4
+        with:
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}

.gitignore

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+.idea
+.DS_Store
+inx-*

Dockerfile

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+# https://hub.docker.com/_/golang
+FROM golang:1.21-bullseye AS build
+
+# Ensure ca-certificates are up to date
+RUN update-ca-certificates
+
+# Set the current Working Directory inside the container
+RUN mkdir /scratch
+WORKDIR /scratch
+
+# Prepare the folder where we are putting all the files
+RUN mkdir /app
+
+# Copy everything from the current directory to the PWD(Present Working Directory) inside the container
+COPY . .
+
+# Download go modules
+RUN go mod download
+RUN go mod verify
+
+# Build the binary
+RUN go build -o /app/inx-validator -a
+
+# Copy the assets
+COPY ./config_defaults.json /app/config.json
+
+############################
+# Image
+############################
+# https://console.cloud.google.com/gcr/images/distroless/global/cc-debian11
+# using distroless cc "nonroot" image, which includes everything in the base image (glibc, libssl and openssl)
+FROM gcr.io/distroless/cc-debian11:nonroot
+
+EXPOSE 9086/tcp
+
+# Copy the app dir into distroless image
+COPY --chown=nonroot:nonroot --from=build /app /app
+
+WORKDIR /app
+USER nonroot
+
+ENTRYPOINT ["/app/inx-validator"]

components/app/app.go

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+package app
+
+import (
+	"github.com/iotaledger/hive.go/app"
+	"github.com/iotaledger/hive.go/app/components/profiling"
+	"github.com/iotaledger/hive.go/app/components/shutdown"
+	"github.com/iotaledger/inx-app/components/inx"
+	"github.com/iotaledger/inx-validator/components/validator"
+)
+
+var (
+	// Name of the app.
+	Name = "inx-validator"
+
+	// Version of the app.
+	Version = "1.0.0-alpha.1"
+)
+
+func App() *app.App {
+	return app.New(Name, Version,
+		app.WithInitComponent(InitComponent),
+		app.WithComponents(
+			inx.Component,
+			validator.Component,
+			shutdown.Component,
+			profiling.Component,
+		),
+	)
+}
+
+var (
+	InitComponent *app.InitComponent
+)
+
+func init() {
+	InitComponent = &app.InitComponent{
+		Component: &app.Component{
+			Name: "App",
+		},
+		NonHiddenFlags: []string{
+			"config",
+			"help",
+			"version",
+		},
+	}
+}

components/validator/account.go

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+package validator
+
+import (
+	"crypto/ed25519"
+
+	iotago "github.com/iotaledger/iota.go/v4"
+)
+
+// Account represents an account.
+type Account interface {
+	// ID returns the accountID.
+	ID() iotago.AccountID
+
+	// Address returns the account address.
+	Address() iotago.Address
+
+	// PrivateKey returns the account private key for signing.
+	PrivateKey() ed25519.PrivateKey
+}
+
+var _ Account = &Ed25519Account{}
+
+// Ed25519Account is an account that uses an Ed25519 key pair.
+type Ed25519Account struct {
+	accountID  iotago.AccountID
+	privateKey ed25519.PrivateKey
+}
+
+// NewEd25519Account creates a new Ed25519Account.
+func NewEd25519Account(accountID iotago.AccountID, privateKey ed25519.PrivateKey) *Ed25519Account {
+	return &Ed25519Account{
+		accountID:  accountID,
+		privateKey: privateKey,
+	}
+}
+
+// ID returns the accountID.
+func (e *Ed25519Account) ID() iotago.AccountID {
+	return e.accountID
+}
+
+// Address returns the account address.
+func (e *Ed25519Account) Address() iotago.Address {
+	ed25519PubKey, ok := e.privateKey.Public().(ed25519.PublicKey)
+	if !ok {
+		panic("invalid public key type")
+	}
+
+	return iotago.Ed25519AddressFromPubKey(ed25519PubKey)
+}
+
+// PrivateKey returns the account private key for signing.
+func (e *Ed25519Account) PrivateKey() ed25519.PrivateKey {
+	return e.privateKey
+}