IsValidPacketDataSize
IsValidPacketDataSize reports whether data stays within the configured packet_data event budget after hexAttr encoding.
It returns true when SplitEventAttrs is false because that mode intentionally disables packet_data size checks.
Command
gnokey query vm/qeval -remote "https://rpc.topaz.testnets.gno.land" -data "gno.land/r/onbloc/ibc/union/core.IsValidPacketDataSize()"
Result