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Fix ERC777 hook docs, fixes #2256
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nventuro committed Jun 1, 2020
1 parent df4b317 commit 394987f
Showing 1 changed file with 5 additions and 5 deletions.
10 changes: 5 additions & 5 deletions contracts/token/ERC777/ERC777.sol
Original file line number Diff line number Diff line change
Expand Up @@ -491,13 +491,13 @@ contract ERC777 is Context, IERC777, IERC20 {
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - when `from` is zero, `tokenId` will be minted for `to`.
* - when `to` is zero, ``from``'s `tokenId` will be burned.
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address operator, address from, address to, uint256 tokenId) internal virtual { }
function _beforeTokenTransfer(address operator, address from, address to, uint256 amount) internal virtual { }
}

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