forked from DecentralizedClimateFoundation/DCIPs
41 lines
1.3 KiB
Solidity
41 lines
1.3 KiB
Solidity
|
// SPDX-License-Identifier: CC0-1.0
|
||
|
|
// EPSProxy Contracts v1.8.0 (epsproxy/contracts/examples/ERC20Proxied.sol)
|
||
|
|
|
||
|
|
pragma solidity ^0.8.9;
|
||
|
|
|
||
|
|
import "@openzeppelin/contracts/utils/Context.sol";
|
||
|
|
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
|
||
|
|
import "@epsproxy/contracts/Proxiable.sol";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @dev Contract module which allows children to implement proxied delivery
|
||
|
|
* on minting calls
|
||
|
|
*/
|
||
|
|
abstract contract ERC20Proxied is Context, ERC20, Proxiable {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @dev call mint after determining the delivery address.
|
||
|
|
*/
|
||
|
|
function _mintProxied(address _account, uint256 _amount) internal virtual {
|
||
|
|
address nominator;
|
||
|
|
address delivery;
|
||
|
|
bool isProxied;
|
||
|
|
(nominator, delivery, isProxied) = getAddresses(_account);
|
||
|
|
_mint(delivery, _amount);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @dev call mint after determining the delivery address IF we have been passed a bool indicating
|
||
|
|
* that a proxied address is in use. This function should be used in conjunction with an off-chain call
|
||
|
|
* to _proxyRecordExists that determines if a proxy address is in use. This saves gas for anyone who is
|
||
|
|
* NOT using a proxy as we do not needlessly check for proxy details.
|
||
|
|
*/
|
||
|
|
function _MintProxiedSwitch(address _account, uint256 _amount, bool _isProxied) internal virtual {
|
||
|
|
if (_isProxied) {
|
||
|
|
_mintProxied(_account, _amount);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
_mint(_account, _amount);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|