Nethermind 1.33 history expiry

default.env

@@ -201,13 +201,15 @@ LODESTAR_HEAP=
 # "pruned-with-zkproofs" is experimental and will not work with the standard client builds
 # For a more granular way to handle it, please use CL_EXTRAS in combination with "full"
 CL_NODE_TYPE=pruned
-# EL_NODE_TYPE can be "archive", "full", "pre-merge-expiry", "aggressive-expiry" or "rolling-expiry"
-# "pre-merge-expiry" is only meaningful for mainnet and sepolia, may fail on hoodi
+# EL_NODE_TYPE can be "archive", "full", "pre-merge-expiry", "pre-cancun-expiry",
+# "aggressive-expiry" or "rolling-expiry"
+# "pre-merge-expiry" is only meaningful for mainnet and sepolia
 # Switching node type typically requires a resync
 # Consider using `./ethd prune-history`, which guides you as to whether to prune in-place
 # or resync, depending on client
 # "aggressive-expiry" is supported with Erigon
-# "rolling-expiry" is a Nethermind feature, waiting for PR 2263 to do anything
+# "rolling-expiry" and "pre-cancun-expiry" are Nethermind features, for now
+# "rolling-expiry" remains experimental in Nethermind as of Dec 29th 2025
 EL_NODE_TYPE=pre-merge-expiry
 # Era URLs, see https://eth-clients.github.io/history-endpoints/
 # Note that this will be replaced with EraE sometime 2026, possibly still Q1 2026

ethd

@@ -2833,9 +2833,9 @@ prune-history() {
       ;;
     *nethermind.yml*)
       client="Nethermind"
-      min_ver="v1.31.9"
-      extra_msg="To prune pre-merge history, a full resync is required, which should take 1-2 hours to where attestations work.\nYou can use https://rescuenode.com to keep attesting during resync."
-      prune_marker=""
+      min_ver="v1.35.2"
+      extra_msg="Pruning pre-merge history does not require a resync and should be immediate."
+      prune_marker="/var/lib/nethermind/minimal-node"
       ;;
     *besu.yml*)
       client="Besu"

nethermind/docker-entrypoint.sh

@@ -104,16 +104,37 @@ case "${NODE_TYPE}" in
     case "${NETWORK}" in
       mainnet)
         echo "Nethermind minimal node with pre-merge history expiry"
-        __prune+=" --Sync.AncientBodiesBarrier=15537394 --Sync.AncientReceiptsBarrier=15537394"
+        __prune+=" --Sync.AncientBodiesBarrier=15537394 --Sync.AncientReceiptsBarrier=15537394 --History.Pruning=UseAncientBarriers"
         ;;
       sepolia)
         echo "Nethermind minimal node with pre-merge history expiry"
+        __prune+=" --Sync.AncientBodiesBarrier=1450408 --Sync.AncientReceiptsBarrier=1450408 --History.Pruning=UseAncientBarriers"
         ;;
       *)
         echo "There is no pre-merge history for ${NETWORK} network, \"pre-merge-expiry\" has no effect."
         ;;
     esac
     ;;
+  pre-cancun-expiry)
+    case "${NETWORK}" in
+      mainnet)
+        echo "Nethermind minimal node with pre-Cancun history expiry"
+        __prune+=" --Sync.AncientBodiesBarrier=19426587 --Sync.AncientReceiptsBarrier=19426587 --History.Pruning=UseAncientBarriers"
+        ;;
+      sepolia)
+        echo "Nethermind minimal node with pre-Cancun history expiry"
+        __prune+=" --Sync.AncientBodiesBarrier=5187023 --Sync.AncientReceiptsBarrier=5187023 --History.Pruning=UseAncientBarriers"
+        ;;
+      *)
+        echo "There is no pre-Cancun history for ${NETWORK} network, \"pre-cancun-expiry\" has no effect."
+        ;;
+    esac
+    ;;
+  rolling-expiry)
+    echo "Nethermind minimal node with rolling history expiry, keeps 1 year by default."
+    echo "\"EL_EXTRAS=--history-retentionepochs <epochs>\" in \".env\" can override, minimum <epochs> are 82125."
+    __prune+=" --History.Pruning=Rolling"
+    ;;
   *)
     echo "ERROR: The node type ${NODE_TYPE} is not known to Eth Docker's Nethermind implementation."
     sleep 30