Download genesis from prysm if required

Author: jshufro

rocketpool-cli/service/service.go

@@ -406,15 +406,15 @@ func updateConfigParamFromCliArg(c *cli.Context, sectionName string, param *cfgt
 func changeNetworks(c *cli.Context, rp *rocketpool.Client, apiContainerName string) error {
 
 	// Stop all of the containers
-	fmt.Print("Stopping containers... ")
+	fmt.Println("Stopping containers... ")
 	err := rp.PauseService(getComposeFiles(c))
 	if err != nil {
 		return fmt.Errorf("error stopping service: %w", err)
 	}
 	fmt.Println("done")
 
 	// Restart the API container
-	fmt.Print("Starting API container... ")
+	fmt.Println("Starting API container... ")
 	output, err := rp.StartContainer(apiContainerName)
 	if err != nil {
 		return fmt.Errorf("error starting API container: %w", err)
@@ -425,38 +425,38 @@ func changeNetworks(c *cli.Context, rp *rocketpool.Client, apiContainerName stri
 	fmt.Println("done")
 
 	// Get the path of the user's data folder
-	fmt.Print("Retrieving data folder path... ")
+	fmt.Println("Retrieving data folder path... ")
 	volumePath, err := rp.GetClientVolumeSource(apiContainerName, dataFolderVolumeName)
 	if err != nil {
 		return fmt.Errorf("error getting data folder path: %w", err)
 	}
 	fmt.Printf("done, data folder = %s\n", volumePath)
 
 	// Delete the data folder
-	fmt.Print("Removing data folder... ")
+	fmt.Println("Removing data folder... ")
 	_, err = rp.TerminateDataFolder()
 	if err != nil {
 		return err
 	}
 	fmt.Println("done")
 
 	// Terminate the current setup
-	fmt.Print("Removing old installation... ")
+	fmt.Println("Removing old installation... ")
 	err = rp.StopService(getComposeFiles(c))
 	if err != nil {
 		return fmt.Errorf("error terminating old installation: %w", err)
 	}
 	fmt.Println("done")
 
 	// Create new validator folder
-	fmt.Print("Recreating data folder... ")
+	fmt.Println("Recreating data folder... ")
 	err = os.MkdirAll(filepath.Join(volumePath, "validators"), 0775)
 	if err != nil {
 		return fmt.Errorf("error recreating data folder: %w", err)
 	}
 
 	// Start the service
-	fmt.Print("Starting Rocket Pool... ")
+	fmt.Println("Starting Rocket Pool... ")
 	err = rp.StartService(getComposeFiles(c))
 	if err != nil {
 		return fmt.Errorf("error starting service: %w", err)

shared/services/rocketpool/assets/install/scripts/download-genesis.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+set -e
+
+# Grab the Testnet genesis state if needed
+if [ "$NETWORK" = "testnet" ]; then
+    echo "Prysm is configured to use Hoodi, genesis state required."
+    if [ ! -f "/ethclient/hoodi-genesis.ssz" ]; then
+        echo "Downloading from Github..."
+        wget https://github.com/eth-clients/hoodi/blob/main/metadata/genesis.ssz -O /ethclient/hoodi-genesis.ssz
+        echo "Download complete."
+    else
+        echo "Genesis state already downloaded, continuing."
+    fi
+elif [ "$NETWORK" = "devnet" ]; then
+    echo "Prysm is configured to use Hoodi, genesis state required."
+    if [ ! -f "/ethclient/hoodi-genesis.ssz" ]; then
+        echo "Downloading from Github..."
+        wget https://github.com/eth-clients/hoodi/blob/main/metadata/genesis.ssz -O /ethclient/hoodi-genesis.ssz
+        echo "Download complete."
+    else
+        echo "Genesis state already downloaded, continuing."
+    fi
+else
+    echo "Genesis download not required for $NETWORK"
+fi

shared/services/rocketpool/assets/install/scripts/start-bn.sh

@@ -210,27 +210,6 @@ fi
 # Prysm startup
 if [ "$CC_CLIENT" = "prysm" ]; then
 
-    # Grab the Testnet genesis state if needed
-    if [ "$NETWORK" = "testnet" ]; then
-        echo "Prysm is configured to use Hoodi, genesis state required."
-        if [ ! -f "/ethclient/hoodi-genesis.ssz" ]; then
-            echo "Downloading from Github..."
-            wget https://github.com/eth-clients/hoodi/blob/main/metadata/genesis.ssz -O /ethclient/hoodi-genesis.ssz
-            echo "Download complete."
-        else
-            echo "Genesis state already downloaded, continuing."
-        fi
-    elif [ "$NETWORK" = "devnet" ]; then
-        echo "Prysm is configured to use Hoodi, genesis state required."
-        if [ ! -f "/ethclient/hoodi-genesis.ssz" ]; then
-            echo "Downloading from Github..."
-            wget https://github.com/eth-clients/hoodi/blob/main/metadata/genesis.ssz -O /ethclient/hoodi-genesis.ssz
-            echo "Download complete."
-        else
-            echo "Genesis state already downloaded, continuing."
-        fi
-    fi
-
     CMD="$PERF_PREFIX /app/cmd/beacon-chain/beacon-chain \
         --accept-terms-of-use \
         $PRYSM_NETWORK \

shared/services/rocketpool/assets/install/templates/eth2.tmpl

@@ -5,6 +5,21 @@
 # See https://docs.docker.com/compose/extends/#adding-and-overriding-configuration
 # for more information on overriding specific parameters of docker-compose files.
 
+{{define "GENESIS_DL"}}
+  eth2_genesis_downloader:
+    image: curlimages/curl:8.13.0
+    user: root
+    container_name: {{.Smartnode.ProjectName}}_genesis_downloader
+    volumes:
+      - eth2clientdata:/ethclient
+      - {{.RocketPoolDirectory}}/scripts:/setup:ro
+    network_mode: host
+    environment:
+      - NETWORK={{.Smartnode.Network}}
+    entrypoint: sh
+    command: "/setup/download-genesis.sh"
+{{end}}
+
 services:
   eth2:
     image: {{.GetBeaconContainerTag}}
@@ -72,18 +87,23 @@ services:
       {{- else if eq .ConsensusClient.String "lighthouse"}}
       - BN_P2P_QUIC_PORT={{.Lighthouse.P2pQuicPort}}
       {{- end}}
-    {{- if eq .ConsensusClient.String "prysm"}}
-    entrypoint: bash
-    {{- else}}
-    entrypoint: sh
-    {{- end}}
     command: "/setup/start-bn.sh"
     cap_drop:
       - all
     cap_add:
       - dac_override
     security_opt:
       - no-new-privileges
+    {{- if ne .ConsensusClient.String "prysm"}}
+    entrypoint: sh
+    {{- else}}
+    {{- /* prysm has bash but not sh and may need us to download genesis for testnets */}}
+    entrypoint: bash
+    depends_on:
+      eth2_genesis_downloader:
+        condition: service_completed_successfully
+    {{- template "GENESIS_DL" . }}
+    {{- end}}
 networks:
   net:
 volumes: