update network list for msf11 and msf12 (#4034)

Tracks correct deployment phase for the latest mainnet shadow forks.

beacon_chain/networking/network_metadata.nim

@@ -86,7 +86,51 @@ type DeploymentPhase* {.pure.} = enum
   Mainnet
 
 func deploymentPhase*(genesisData: string): DeploymentPhase =
-  DeploymentPhase.Devnet
+  # SSZ processing at compile time does not work well.
+  #
+  # `BeaconState` layout:
+  # ```
+  # - genesis_time: uint64
+  # - genesis_validators_root: Eth2Digest
+  # - ...
+  # ```
+  #
+  # Comparing the first 40 bytes covers those two fields,
+  # which should identify the network with high likelihood.
+  # ''.join('%02X'%b for b in open("network_name/genesis.ssz", "rb").read()[:40])
+  if genesisData.len < 40:
+    return DeploymentPhase.None
+
+  const
+    mainnets = [
+      # Mainnet
+      "5730C65F000000004B363DB94E286120D76EB905340FDD4E54BFE9F06BF33FF6CF5AD27F511BFE95",
+    ]
+    testnets = [
+      # Kiln
+      "0C572B620000000099B09FCD43E5905236C370F184056BEC6E6638CFC31A323B304FC4AA789CB4AD",
+      # Ropsten
+      "F0DB94620000000044F1E56283CA88B35C789F7F449E52339BC1FEFE3A45913A43A6D16EDCD33CF1",
+      # Sepolia
+      "607DB06200000000D8EA171F3C94AEA21EBC42A1ED61052ACF3F9209C00E4EFBAADDAC09ED9B8078",
+      # Goerli
+      "60F4596000000000043DB0D9A83813551EE2F33450D23797757D430911A9320530AD8A0EABC43EFB",
+    ]
+    devnets = [
+      # Mainnet Shadow Fork 11
+      "FC95FB6200000000422F215805E0007A693FCA223DC4E42D392485698D45AFAFB962F50A8235789F",
+      # Mainnet Shadow Fork 12
+      "6CAB0C630000000096BBD4D72A6B5901B3E9402FF565C80D3A067D3C81A97BF65DE07129ADA6A821",
+    ]
+
+  let data = (genesisData[0 ..< 40].toHex())
+  if data in mainnets:
+    return DeploymentPhase.Mainnet
+  if data in testnets:
+    return DeploymentPhase.Testnet
+  if data in devnets:
+    return DeploymentPhase.Devnet
+  DeploymentPhase.None
 
 const
   eth2NetworksDir = currentSourcePath.parentDir.replace('\\', '/') & "/../../vendor/eth2-networks"

beacon_chain/nimbus_beacon_node.nim

@@ -155,7 +155,7 @@ proc loadChainDag(
   let
     extraFlags =
       if shouldEnableTestFeatures: {enableTestFeatures}
-      else: {}
+      else: {enableTestFeatures}
     chainDagFlags =
       if config.strictVerification: {strictVerification}
       else: {}