rpcserver+taprpc: distinguish group anchor from non-grouped asset

itest/assertions.go

@@ -1251,27 +1251,31 @@ func AssertUniverseAssetStats(t *testing.T, node *tapdHarness,
 	require.Len(t, assetStats.AssetStats, len(assets))
 
 	for _, assetStat := range assetStats.AssetStats {
-		found := fn.Any(
-			assets, func(a *taprpc.Asset) bool {
-				groupKeyEqual := true
-				if a.AssetGroup != nil {
-					groupKeyEqual = bytes.Equal(
-						assetStat.GroupKey,
-						a.AssetGroup.TweakedGroupKey,
-					)
-				}
+		var statAsset *unirpc.AssetStatsAsset
+		if assetStat.GroupAnchor != nil {
+			statAsset = assetStat.GroupAnchor
+		} else {
+			statAsset = assetStat.Asset
+		}
 
-				return groupKeyEqual && bytes.Equal(
-					assetStat.Asset.AssetId,
-					a.AssetGenesis.AssetId,
+		found := fn.Any(assets, func(a *taprpc.Asset) bool {
+			groupKeyEqual := true
+			if a.AssetGroup != nil {
+				groupKeyEqual = bytes.Equal(
+					assetStat.GroupKey,
+					a.AssetGroup.TweakedGroupKey,
 				)
-			},
-		)
+			}
+
+			return groupKeyEqual && bytes.Equal(
+				statAsset.AssetId, a.AssetGenesis.AssetId,
+			)
+		})
 		require.True(t, found)
 
-		require.NotZero(t, assetStat.Asset.GenesisHeight)
-		require.NotZero(t, assetStat.Asset.GenesisTimestamp)
-		require.NotEmpty(t, assetStat.Asset.GenesisPoint)
+		require.NotZero(t, statAsset.GenesisHeight)
+		require.NotZero(t, statAsset.GenesisTimestamp)
+		require.NotEmpty(t, statAsset.GenesisPoint)
 	}
 
 	eventStats, err := node.QueryEvents(ctxb, &unirpc.QueryEventsRequest{})

rpcserver.go

@@ -3492,25 +3492,32 @@ func (r *rpcServer) UniverseStats(ctx context.Context,
 
 // marshalAssetSyncSnapshot maps a universe asset sync stat snapshot to the RPC
 // counterpart.
-func marshalAssetSyncSnapshot(
+func (r *rpcServer) marshalAssetSyncSnapshot(ctx context.Context,
 	a universe.AssetSyncSnapshot) *unirpc.AssetStatsSnapshot {
 
-	var groupKey []byte
-	if a.GroupKey != nil {
-		groupKey = a.GroupKey.SerializeCompressed()
+	resp := &unirpc.AssetStatsSnapshot{
+		TotalSyncs:  int64(a.TotalSyncs),
+		TotalProofs: int64(a.TotalProofs),
+		GroupSupply: int64(a.GroupSupply),
+	}
+	rpcAsset := &unirpc.AssetStatsAsset{
+		AssetId:          a.AssetID[:],
+		GenesisPoint:     a.GenesisPoint.String(),
+		AssetName:        a.AssetName,
+		AssetType:        taprpc.AssetType(a.AssetType),
+		TotalSupply:      int64(a.TotalSupply),
+		GenesisHeight:    int32(a.GenesisHeight),
+		GenesisTimestamp: r.getBlockTimestamp(ctx, a.GenesisHeight),
 	}
 
-	return &unirpc.AssetStatsSnapshot{
-		AssetId:       a.AssetID[:],
-		GroupKey:      groupKey,
-		GenesisPoint:  a.GenesisPoint.String(),
-		AssetName:     a.AssetName,
-		AssetType:     taprpc.AssetType(a.AssetType),
-		TotalSupply:   int64(a.TotalSupply),
-		GenesisHeight: int32(a.GenesisHeight),
-		TotalSyncs:    int64(a.TotalSyncs),
-		TotalProofs:   int64(a.TotalProofs),
+	if a.GroupKey != nil {
+		resp.GroupKey = a.GroupKey.SerializeCompressed()
+		resp.GroupAnchor = rpcAsset
+	} else {
+		resp.Asset = rpcAsset
 	}
+
+	return resp
 }
 
 // QueryAssetStats returns a set of statistics for a given set of assets.
@@ -3554,10 +3561,7 @@ func (r *rpcServer) QueryAssetStats(ctx context.Context,
 		),
 	}
 	for idx, snapshot := range assetStats.SyncStats {
-		resp.AssetStats[idx] = marshalAssetSyncSnapshot(snapshot)
-		resp.AssetStats[idx].GenesisTimestamp = r.getBlockTimestamp(
-			ctx, snapshot.GenesisHeight,
-		)
+		resp.AssetStats[idx] = r.marshalAssetSyncSnapshot(ctx, snapshot)
 	}
 
 	return resp, nil