This PR changes BatchBurn, BatchTransferFrom to emit an event per item to include the previous token owner address in the event. It's more complete and consistent because Burn and TransferFrom events provide the previous token owner address.
N
Current BatchBurn (cumulative_gas)
New BatchBurn with Multiple Events (cumulative_gas)
10
766
885
50
2137
2766
100
3843
5110
This approach is more gas-efficient way, compared to the approach #137 with single event.
This PR changes
BatchBurn,BatchTransferFromto emit an event per item to include the previous token owner address in the event. It's more complete and consistent becauseBurnandTransferFromevents provide the previous token owner address.This approach is more gas-efficient way, compared to the approach #137 with single event.