chore: bump reth to 2.2.0 and migrate its db

Author: alexghr

spartan/terraform/deploy-ethereum-nodes/main.tf

@@ -86,13 +86,40 @@ locals {
           }
           extraArgs = [
             "--chain=${var.chain}",
+            "--storage.v2=true",
           ]
 
           persistence = {
             enabled          = true
             size             = var.reth_storage
             storageClassName = "premium-rwo"
           }
+
+          initContainers = [
+            {
+              name            = "migrate-storage-v2"
+              image           = var.reth_image
+              imagePullPolicy = "Always"
+              command = [
+                "sh",
+                "-ac",
+                <<-EOT
+                if [ ! -f /data/db/db/metadata.json ]; then
+                  echo "No existing Reth database found, skipping storage v2 migration."
+                  exit 0
+                fi
+
+                reth db --datadir=/data --chain=${var.chain} migrate-v2
+                EOT
+              ]
+              volumeMounts = [
+                {
+                  name      = "storage"
+                  mountPath = "/data"
+                }
+              ]
+            }
+          ]
         })
       ]
     }

spartan/terraform/deploy-ethereum-nodes/variables.tf

@@ -48,7 +48,7 @@ variable "lighthouse_p2p_port" {
 variable "reth_image" {
   description = "Reth Docker image"
   type        = string
-  default     = "ghcr.io/paradigmxyz/reth:v2.0.0"
+  default     = "ghcr.io/paradigmxyz/reth:v2.2.0"
 }
 
 variable "reth_chart_version" {