diff --git a/app/utils/seda_keys.go b/app/utils/seda_keys.go
index 9fe78c20..bcb6c2d0 100644
--- a/app/utils/seda_keys.go
+++ b/app/utils/seda_keys.go
@@ -20,7 +20,7 @@ import (
 )
 
 // SEDAKeyIndex enumerates the SEDA key indices.
-type SEDAKeyIndex uint8
+type SEDAKeyIndex uint32
 
 const (
 	SEDAKeyIndexSecp256k1 SEDAKeyIndex = iota
diff --git a/proto/buf.yaml b/proto/buf.yaml
index c9aa9081..3d213e18 100644
--- a/proto/buf.yaml
+++ b/proto/buf.yaml
@@ -10,7 +10,7 @@ breaking:
     - FILE
 lint:
   use:
-    - STANDARD
+    - DEFAULT
     - COMMENTS
     - FILE_LOWER_SNAKE_CASE
   except:
diff --git a/proto/sedachain/batching/v1/batching.proto b/proto/sedachain/batching/v1/batching.proto
index 6d468959..4241d035 100644
--- a/proto/sedachain/batching/v1/batching.proto
+++ b/proto/sedachain/batching/v1/batching.proto
@@ -34,7 +34,9 @@ message DataResultTreeEntries { repeated bytes entries = 1; }
 
 // ValidatorTreeEntry is an entry in the validator tree.
 message ValidatorTreeEntry {
-  bytes validator_address = 1 [(gogoproto.casttype) = "github.com/cosmos/cosmos-sdk/types.ValAddress"];
+  bytes validator_address = 1
+      [ (gogoproto.casttype) =
+            "github.com/cosmos/cosmos-sdk/types.ValAddress" ];
   uint32 voting_power_percent = 2;
   Secp256k1Entry secp256k1 = 3 [ (gogoproto.nullable) = false ];
 }
diff --git a/proto/sedachain/batching/v1/query.proto b/proto/sedachain/batching/v1/query.proto
index 563ae916..cda472c0 100644
--- a/proto/sedachain/batching/v1/query.proto
+++ b/proto/sedachain/batching/v1/query.proto
@@ -36,7 +36,7 @@ service Query {
   }
 }
 
-// BatchWithEntries is used by Batch Query to return a batch with its 
+// BatchWithEntries is used by Batch Query to return a batch with its
 // data result tree entries and validator tree entries.
 message BatchWithEntries {
   Batch batch = 1 [ (gogoproto.nullable) = false ];
@@ -66,7 +66,7 @@ message QueryBatchForHeightResponse {
 message QueryBatchesRequest {
   // pagination defines an optional pagination for the request.
   cosmos.base.query.v1beta1.PageRequest pagination = 1;
-  // with_unsigned indicates whether to return batches without 
+  // with_unsigned indicates whether to return batches without
   // signatures or not.
   bool with_unsigned = 2;
 }
diff --git a/x/batching/keeper/endblock.go b/x/batching/keeper/endblock.go
index a2da07ce..cadb07da 100644
--- a/x/batching/keeper/endblock.go
+++ b/x/batching/keeper/endblock.go
@@ -182,13 +182,13 @@ func (k Keeper) ConstructValidatorTree(ctx sdk.Context) ([]types.ValidatorTreeEn
 		}
 
 		separator := []byte{utils.SEDASeparatorSecp256k1}
-		powerPercent := math.NewInt(power).MulRaw(1e8).Quo(totalPower).Uint64()
+		//nolint:gosec // G115: Max of powerPercent should be 1e8 < 2^64.
+		powerPercent := uint32(math.NewInt(power).MulRaw(1e8).Quo(totalPower).Uint64())
 
 		// A tree entry is (domain_separator | address | voting_power_percentage).
 		treeEntry := make([]byte, len(separator)+len(ethAddr)+4)
 		copy(treeEntry[:len(separator)], separator)
 		copy(treeEntry[len(separator):len(separator)+len(ethAddr)], ethAddr)
-		//nolint:gosec // G115: Max of powerPercent should be 1e8 < 2^64.
 		binary.BigEndian.PutUint32(treeEntry[len(separator)+len(ethAddr):], uint32(powerPercent))
 
 		entries = append(entries, types.ValidatorTreeEntry{