chore(ci): add workflow to check for missing upgrade handler (#2288)

Co-authored-by: Kevin Yang <[email protected]>

Author: helder-moreira

.github/workflows/upgrade-handler-check.yml

@@ -0,0 +1,25 @@
+name: Upgrade Handler Check
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+      - 'v*.*.*-*'
+
+jobs:
+  check-upgrade-handler:
+    name: Validate Upgrade Handler exists
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Run Upgrade Handler Checker
+        run: |
+          go run ./contrib/scripts/upgrade-handler-check.go "${{ github.ref_name }}"

CHANGELOG.md

@@ -42,6 +42,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - [#2271](https://github.com/NibiruChain/nibiru/pull/2271) - fix(ci): update tag-pattern for changelog step in releases
 - [#2270](https://github.com/NibiruChain/nibiru/pull/2270) - refactor(app): remove private keeper struct and transient/mem keys from app
+- [#2288](https://github.com/NibiruChain/nibiru/pull/2288) - chore(ci): add workflow to check for missing upgrade handler
 - [#2278](https://github.com/NibiruChain/nibiru/pull/2278) - chore: migrate to cosmossdk.io/mathLegacyDec and cosmossdk.io/math.Int
 
 ## v2.3.0

contrib/scripts/upgrade-handler-check.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+
+	"github.com/NibiruChain/nibiru/v2/app"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Println("Usage: go run upgrade-handler-check.go <semver>")
+		os.Exit(1)
+	}
+
+	input := os.Args[1]
+	coreVersion := extractCoreVersion(input)
+
+	found := false
+	for _, upgrade := range app.Upgrades {
+		if upgrade.UpgradeName == coreVersion {
+			found = true
+			break
+		}
+	}
+
+	if found {
+		fmt.Printf("Upgrade handler for version %s exists ✅\n", coreVersion)
+	} else {
+		fmt.Printf("Upgrade handler for version %s does not exist ❌\n", coreVersion)
+		os.Exit(1)
+	}
+}
+
+// extractCoreVersion strips any pre-release or build metadata from a semver string
+func extractCoreVersion(version string) string {
+	// Trim possible build/pre-release suffix using a simple regex
+	re := regexp.MustCompile(`^v\d+\.\d+\.\d+`)
+	match := re.FindString(version)
+	if match != "" {
+		return match
+	}
+	return strings.SplitN(version, "-", 2)[0] // Fallback just in case
+}