add fee recipient

.env.sample

@@ -7,6 +7,9 @@
 # Enables builder api for lodestar VC and charon services.
 #BUILDER_API_ENABLED=
 
+# address to be sent to the validator client to be used as default recipient of block fees
+#FEE_RECIPIENT=0xYourAddress
+
 ######### Nethermind Config #########
 
 # Nethermind docker container image version, e.g. `latest` or `1.25.3`.

.env.sample.mainnet

@@ -7,6 +7,9 @@ NETWORK=mainnet
 # Enables builder api for lodestar VC and charon services.
 #BUILDER_API_ENABLED=
 
+# address to be sent to the validator client to be used as default recipient of block fees
+#FEE_RECIPIENT=0xYourAddress
+
 ######### Nethermind Config #########
 
 # Nethermind docker container image version, e.g. `latest` or `1.25.3`.

docker-compose.yml

@@ -109,6 +109,7 @@ services:
       BEACON_NODE_ADDRESS: http://charon:3600
       NETWORK: ${NETWORK:-holesky}
       BUILDER_API_ENABLED: ${BUILDER_API_ENABLED:-false}
+      FEE_RECIPIENT: ${FEE_RECIPIENT:-0x0000000000000000000000000000000000000000}
     volumes:
       - ./lodestar/run.sh:/opt/lodestar/run.sh
       - .charon/validator_keys:/home/charon/validator_keys

examples/geth_teku_lighthouse.yml

@@ -130,6 +130,7 @@ services:
       LIGHTHOUSE_BEACON_NODE_ADDRESS: http://charon:3600
       NETWORK: ${NETWORK:-holesky}
       BUILDER_API_ENABLED: ${BUILDER_API_ENABLED:-false}
+      FEE_RECIPIENT: ${FEE_RECIPIENT:-0x0000000000000000000000000000000000000000}
     volumes:
       - ./lighthouse/run.sh:/opt/lighthouse/run.sh
       - ../.charon/validator_keys:/opt/charon/validator_keys

examples/lighthouse/run.sh

@@ -24,7 +24,7 @@ done
 echo "Starting lighthouse validator client for ${NODE}"
 exec lighthouse --network "${NETWORK}" validator \
   --beacon-nodes ${LIGHTHOUSE_BEACON_NODE_ADDRESS} \
-  --suggested-fee-recipient "0x0000000000000000000000000000000000000000" \
+  --suggested-fee-recipient "${FEE_RECIPIENT}" \
   --metrics \
   --metrics-address "0.0.0.0" \
   --metrics-allow-origin "*" \

lodestar/run.sh

@@ -31,4 +31,5 @@ exec node /usr/app/packages/cli/bin/lodestar validator \
     --builder="$BUILDER_API_ENABLED" \
     --builder.selection="$BUILDER_SELECTION" \
     --distributed \
-    --useProduceBlockV3=true
+    --useProduceBlockV3=true \
+    --suggestedFeeRecipient ${FEE_RECIPIENT}