Nicolás Venturo c75b016919 Add missing requirements to ERC777 (#2212) ...

* Restore _approve check for zero sender

* Add non-zero operator check to _send

2020-04-24 15:33:22 -03:00

..

ERC20

Fixing really minor typo (#1911)

2019-09-04 11:45:49 -03:00

ERC721

Reorder functions to prevent shadowing warning

2020-01-24 14:56:17 -03:00

ERC777

Add missing requirements to ERC777 (#2212)

2020-04-24 15:33:22 -03:00