28 lines
806 B
Solidity
28 lines
806 B
Solidity
// SPDX-License-Identifier: MIT
|
|
// OpenZeppelin Contracts v4.4.1 (governance/extensions/GovernorVotes.sol)
|
|
|
|
pragma solidity ^0.8.0;
|
|
|
|
import "../Governor.sol";
|
|
import "../utils/IVotes.sol";
|
|
|
|
/**
|
|
* @dev Extension of {Governor} for voting weight extraction from an {ERC20Votes} token, or since v4.5 an {ERC721Votes} token.
|
|
*
|
|
* _Available since v4.3._
|
|
*/
|
|
abstract contract GovernorVotes is Governor {
|
|
IVotes public immutable token;
|
|
|
|
constructor(IVotes tokenAddress) {
|
|
token = tokenAddress;
|
|
}
|
|
|
|
/**
|
|
* 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.getPastVotes(account, blockNumber);
|
|
}
|
|
}
|