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openzeppelin-contracts/contracts/governance/extensions/GovernorVotesComp.sol
Francisco Giordano 6bd6b76d11 4.4.1
2021-12-14 13:14:39 -03:00

28 lines
800 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 {IGovernor-getVotes}).
*/
function getVotes(address account, uint256 blockNumber) public view virtual override returns (uint256) {
return token.getPriorVotes(account, blockNumber);
}
}