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openzeppelin-contracts/contracts/token/ERC721
Nicolás Venturo 70e616db7c Optimized ERC721 transfers. (#1539)
* Added _transferToken.

* _transferFrom is now usable by derived contracts, abstracted away enumerable behavior.

* Removed unnecesary check from _clearApprovals
2018-12-11 12:51:26 -03:00
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2018-12-11 12:51:26 -03:00