Potential fix for code scanning alert no. 46: Incorrect conversion between integer types

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: praetoriansentry

cmd/monitorv2/renderer/tview_renderer.go

@@ -2055,6 +2055,9 @@ func (t *TviewRenderer) calculateBlockInterval(block rpctypes.PolyBlock, index i
 			if prevTime > math.MaxInt64 {
 				log.Error().Uint64("prev_time", prevTime).Msg("Previous block time exceeds int64 range, clamping to MaxInt64")
 				prevTime = math.MaxInt64
+			} else if prevTime < 0 {
+				log.Error().Uint64("prev_time", prevTime).Msg("Previous block time is negative, clamping to 0")
+				prevTime = 0
 			}
 			// Ensure values are within int64 range before conversion
 			clampedBlockTime := int64(blockTime)

rpctypes/rpctypes.go

@@ -665,6 +665,10 @@ func (r RawQuantityResponse) ToUint64() uint64 {
 	if err != nil {
 		return 0
 	}
+	if result > math.MaxUint64 {
+		log.Error().Uint64("value", result).Msg("Value exceeds uint64 range, clamping to MaxUint64")
+		result = math.MaxUint64
+	}
 	return uint64(result)
 }
 func (r RawQuantityResponse) ToFloat64() float64 {