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29 lines
1012 B
Solidity
29 lines
1012 B
Solidity
import "../munged/token/ERC20/extensions/ERC20Votes.sol";
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contract ERC20VotesHarness is ERC20Votes {
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constructor(string memory name, string memory symbol) ERC20Permit(name) ERC20(name, symbol) {}
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mapping(address => mapping(uint256 => uint256)) public _getPastVotes;
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function _afterTokenTransfer(
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address from,
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address to,
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uint256 amount
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) internal virtual override {
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super._afterTokenTransfer(from, to, amount);
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_getPastVotes[from][block.number] -= amount;
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_getPastVotes[to][block.number] += amount;
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}
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/**
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* @dev Change delegation for `delegator` to `delegatee`.
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*
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* Emits events {DelegateChanged} and {DelegateVotesChanged}.
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*/
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function _delegate(address delegator, address delegatee) internal virtual override{
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super._delegate(delegator, delegatee);
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_getPastVotes[delegator][block.number] -= balanceOf(delegator);
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_getPastVotes[delegatee][block.number] += balanceOf(delegator);
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}
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}
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