Files
openzeppelin-contracts/contracts/governance/extensions/GovernorVotesComp.sol
Ben DiFrancesco fd07cc6290 Extend Governor with parameterized votes (#3043)
Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>
2022-03-01 17:55:20 -03:00

32 lines
858 B
Solidity

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (governance/extensions/GovernorVotesComp.sol)
pragma solidity ^0.8.0;
import "../Governor.sol";
import "../../token/ERC20/extensions/ERC20VotesComp.sol";
/**
* @dev Extension of {Governor} for voting weight extraction from a Comp token.
*
* _Available since v4.3._
*/
abstract contract GovernorVotesComp is Governor {
ERC20VotesComp public immutable token;
constructor(ERC20VotesComp token_) {
token = token_;
}
/**
* Read the voting weight from the token's built in snapshot mechanism (see {Governor-_getVotes}).
*/
function _getVotes(
address account,
uint256 blockNumber,
bytes memory /*params*/
) internal view virtual override returns (uint256) {
return token.getPriorVotes(account, blockNumber);
}
}