chore: use RFC3339 for bundles timestamp

proto/kyve/query/v1beta1/bundles.proto

@@ -79,7 +79,7 @@ message FinalizedAt {
   // height is the block height in which the bundle got finalized.
   string height = 1 [(gogoproto.customtype) = "cosmossdk.io/math.Int"];
   // timestamp is the UNIX timestamp of the block in which the bundle got finalized.
-  string timestamp = 2 [(gogoproto.customtype) = "cosmossdk.io/math.Int"];
+  string timestamp = 2;
 }
 
 // StakeSecurity represents the relative security of a finalized bundle

testutil/integration/checks.go

@@ -1,6 +1,8 @@
 package integration
 
 import (
+	"time"
+
 	"github.com/KYVENetwork/chain/x/bundles"
 	bundlesTypes "github.com/KYVENetwork/chain/x/bundles/types"
 	"github.com/KYVENetwork/chain/x/delegation"
@@ -274,7 +276,9 @@ func checkFinalizedBundle(queryBundle querytypes.FinalizedBundle, rawBundle bund
 	Expect(queryBundle.BundleSummary).To(Equal(rawBundle.BundleSummary))
 	Expect(queryBundle.DataHash).To(Equal(rawBundle.DataHash))
 	Expect(queryBundle.FinalizedAt.Height.Uint64()).To(Equal(rawBundle.FinalizedAt.Height))
-	Expect(queryBundle.FinalizedAt.Timestamp.Uint64()).To(Equal(rawBundle.FinalizedAt.Timestamp))
+	date, dateErr := time.Parse(time.RFC3339, queryBundle.FinalizedAt.Timestamp)
+	Expect(dateErr).To(BeNil())
+	Expect(uint64(date.Unix())).To(Equal(rawBundle.FinalizedAt.Timestamp))
 	Expect(queryBundle.FromKey).To(Equal(rawBundle.FromKey))
 	Expect(queryBundle.StorageProviderId).To(Equal(uint64(rawBundle.StorageProviderId)))
 	Expect(queryBundle.CompressionId).To(Equal(uint64(rawBundle.CompressionId)))

x/bundles/keeper/getters_bundles.go

@@ -3,6 +3,7 @@ package keeper
 import (
 	"encoding/binary"
 	"fmt"
+	"time"
 
 	cosmossdk_io_math "cosmossdk.io/math"
 
@@ -120,7 +121,6 @@ func (k Keeper) GetFinalizedBundle(ctx sdk.Context, poolId, id uint64) (val type
 
 func RawBundleToQueryBundle(rawFinalizedBundle types.FinalizedBundle, versionMap map[int32]uint64) (queryBundle queryTypes.FinalizedBundle) {
 	finalizedHeight := cosmossdk_io_math.NewInt(int64(rawFinalizedBundle.FinalizedAt.Height))
-	finalizedTimestamp := cosmossdk_io_math.NewInt(int64(rawFinalizedBundle.FinalizedAt.Timestamp))
 
 	finalizedBundle := queryTypes.FinalizedBundle{
 		PoolId:        rawFinalizedBundle.PoolId,
@@ -134,7 +134,7 @@ func RawBundleToQueryBundle(rawFinalizedBundle types.FinalizedBundle, versionMap
 		DataHash:      rawFinalizedBundle.DataHash,
 		FinalizedAt: &queryTypes.FinalizedAt{
 			Height:    &finalizedHeight,
-			Timestamp: &finalizedTimestamp,
+			Timestamp: time.Unix(int64(rawFinalizedBundle.FinalizedAt.Timestamp), 0).Format(time.RFC3339),
 		},
 		FromKey:           rawFinalizedBundle.FromKey,
 		StorageProviderId: uint64(rawFinalizedBundle.StorageProviderId),

x/query/spec/01_concept.md

@@ -64,7 +64,7 @@ returned. The different version are explained below.
   "data_hash": "string",
   "finalized_at": {
     "height": "number",
-    "timestamp": "number"
+    "timestamp": "RFC3339 date string"
   },
   "from_key": "number",
   "storage_provider_id": "number",