feat: use CDN URL for data snapshots used for shadow forks (#676)

The CDN should be faster then pointing it directly to the bucket.

README.md

@@ -500,11 +500,11 @@ network_params:
   eip7594_fork_version: "0x70000038"
 
   # Network sync base url for syncing public networks from a custom snapshot (mostly useful for shadowforks)
-  # Defaults to "https://ethpandaops-ethereum-node-snapshots.ams3.digitaloceanspaces.com/
+  # Defaults to "https://ethpandaops-ethereum-node-snapshots.ams3.cdn.digitaloceanspaces.com/
   # If you have a local snapshot, you can set this to the local url:
   # network_snapshot_url_base = "http://10.10.101.21:10000/snapshots/"
   # The snapshots are taken with https://github.com/ethpandaops/snapshotter
-  network_sync_base_url: https://ethpandaops-ethereum-node-snapshots.ams3.digitaloceanspaces.com/
+  network_sync_base_url: https://ethpandaops-ethereum-node-snapshots.ams3.cdn.digitaloceanspaces.com/
 
   # The number of data column sidecar subnets used in the gossipsub protocol
   data_column_sidecar_subnet_count: 32

network_params.yaml

@@ -76,7 +76,7 @@ network_params:
   electra_fork_epoch: 100000000
   eip7594_fork_epoch: 100000001
   eip7594_fork_version: "0x70000038"
-  network_sync_base_url: https://ethpandaops-ethereum-node-snapshots.ams3.digitaloceanspaces.com/
+  network_sync_base_url: https://ethpandaops-ethereum-node-snapshots.ams3.cdn.digitaloceanspaces.com/
   data_column_sidecar_subnet_count: 32
   samples_per_slot: 8
   custody_requirement: 1

src/package_io/input_parser.star

@@ -786,7 +786,7 @@ def default_network_params():
         "electra_fork_epoch": 100000000,
         "eip7594_fork_epoch": 100000001,
         "eip7594_fork_version": "0x70000038",
-        "network_sync_base_url": "https://ethpandaops-ethereum-node-snapshots.ams3.digitaloceanspaces.com/",
+        "network_sync_base_url": "https://ethpandaops-ethereum-node-snapshots.ams3.cdn.digitaloceanspaces.com/",
         "data_column_sidecar_subnet_count": 32,
         "samples_per_slot": 8,
         "custody_requirement": 1,
@@ -816,7 +816,7 @@ def default_minimal_network_params():
         "electra_fork_epoch": 100000000,
         "eip7594_fork_epoch": 100000001,
         "eip7594_fork_version": "0x70000038",
-        "network_sync_base_url": "https://ethpandaops-ethereum-node-snapshots.ams3.digitaloceanspaces.com/",
+        "network_sync_base_url": "https://ethpandaops-ethereum-node-snapshots.ams3.cdn.digitaloceanspaces.com/",
         "data_column_sidecar_subnet_count": 32,
         "samples_per_slot": 8,
         "custody_requirement": 1,