NoBey/openzeppelin-contracts
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Make ERC721Votes no longer a Draft (#3699)

Browse Source
This commit is contained in:
Francisco
2022-09-17 13:03:03 -03:00
committed by GitHub
parent a549ec673e
commit 7a14f6c595
7 changed files with 67 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
contracts/token/ERC721/extensions/ERC721Votes.sol Normal file
View File

@ -0,0 +1,54 @@
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../ERC721.sol";
import "../../../governance/utils/Votes.sol";
/**
* @dev Extension of ERC721 to support voting and delegation as implemented by {Votes}, where each individual NFT counts
* as 1 vote unit.
*
* Tokens do not count as votes until they are delegated, because votes must be tracked which incurs an additional cost
* on every transfer. Token holders can either delegate to a trusted representative who will decide how to make use of
* the votes in governance decisions, or they can delegate to themselves to be their own representative.
*
* _Available since v4.5._
*/
abstract contract ERC721Votes is ERC721, Votes {
/**
* @dev Adjusts votes when tokens are transferred.
*
* Emits a {Votes-DelegateVotesChanged} event.
*/
function _afterTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual override {
_transferVotingUnits(from, to, 1);
super._afterTokenTransfer(from, to, tokenId);
}
/**
* @dev Adjusts votes when a batch of tokens is transferred.
*
* Emits a {Votes-DelegateVotesChanged} event.
*/
function _afterConsecutiveTokenTransfer(
address from,
address to,
uint256 first,
uint96 size
) internal virtual override {
_transferVotingUnits(from, to, size);
super._afterConsecutiveTokenTransfer(from, to, first, size);
}
/**
* @dev Returns the balance of `account`.
*/
function _getVotingUnits(address account) internal view virtual override returns (uint256) {
return balanceOf(account);
}
}

53
contracts/token/ERC721/extensions/draft-ERC721Votes.sol
View File

@ -1,55 +1,8 @@
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/extensions/draft-ERC721Votes.sol)
pragma solidity ^0.8.0;
import "../ERC721.sol";
import "../../../governance/utils/Votes.sol";
// ERC721Votes was marked as draft due to the EIP-712 dependency.
// EIP-712 is Final as of 2022-08-11. This file is deprecated.
/**
* @dev Extension of ERC721 to support voting and delegation as implemented by {Votes}, where each individual NFT counts
* as 1 vote unit.
*
* Tokens do not count as votes until they are delegated, because votes must be tracked which incurs an additional cost
* on every transfer. Token holders can either delegate to a trusted representative who will decide how to make use of
* the votes in governance decisions, or they can delegate to themselves to be their own representative.
*
* _Available since v4.5._
*/
abstract contract ERC721Votes is ERC721, Votes {
/**
* @dev Adjusts votes when tokens are transferred.
*
* Emits a {Votes-DelegateVotesChanged} event.
*/
function _afterTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual override {
_transferVotingUnits(from, to, 1);
super._afterTokenTransfer(from, to, tokenId);
}
/**
* @dev Adjusts votes when a batch of tokens is transferred.
*
* Emits a {Votes-DelegateVotesChanged} event.
*/
function _afterConsecutiveTokenTransfer(
address from,
address to,
uint256 first,
uint96 size
) internal virtual override {
_transferVotingUnits(from, to, size);
super._afterConsecutiveTokenTransfer(from, to, first, size);
}
/**
* @dev Returns the balance of `account`.
*/
function _getVotingUnits(address account) internal view virtual override returns (uint256) {
return balanceOf(account);
}
}
import "./ERC721Votes.sol";