Don't emit Approval event when approval is cleared on transfer (#1039)

2018-06-24 23:04:57 -07:00
parent f18c3bc438
commit dc1e352cc4
3 changed files with 12 additions and 34 deletions
--- a/contracts/token/ERC721/ERC721BasicToken.sol
+++ b/contracts/token/ERC721/ERC721BasicToken.sol
@ -299,7 +299,6 @@ contract ERC721BasicToken is SupportsInterfaceWithLookup, ERC721Basic {
    require(ownerOf(_tokenId) == _owner);
    if (tokenApprovals[_tokenId] != address(0)) {
      tokenApprovals[_tokenId] = address(0);
-      emit Approval(_owner, address(0), _tokenId);
    }
  }