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* address feedback from original PR * Update contracts/zero-ex/contracts/src/features/ERC721OrdersFeature.sol Co-authored-by: Kim Persson <kimpers@users.noreply.github.com> * address review feedback and improve order parameter naming * Add batchCancel function * Emit order fields in preSign * Fix tests Co-authored-by: Lawrence Forman <me@merklejerk.com> Co-authored-by: Kim Persson <kimpers@users.noreply.github.com> Co-authored-by: Michael Zhu <mchl.zhu.96@gmail.com>