65 lines
2.1 KiB
Solidity
65 lines
2.1 KiB
Solidity
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// SPDX-License-Identifier: CC0-1.0
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// EPSProxy Contracts v1.8.0 (epsproxy/contracts/examples/ERC721Proxied.sol)
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pragma solidity ^0.8.9;
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import "@openzeppelin/contracts/utils/Context.sol";
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import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
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import "@epsproxy/contracts/Proxiable.sol";
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/**
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* @dev Contract module which allows children to implement proxied delivery
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* on minting calls
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*/
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abstract contract ERC721Proxied is Context, ERC721, Proxiable {
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constructor(
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address _epsRegisterAddress,
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string memory _name,
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string memory _symbol
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) Proxiable(_epsRegisterAddress)
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ERC721("_name", "_symbol")
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{
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}
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/**
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* @dev Returns the proxied address details (nominator address, delivery address) for a passed proxy address.
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* Call this to view the details for any given proxy address.
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*/
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function _getAddresses(address _receivedAddress) internal virtual view returns (address _nominator, address _delivery, bool _isProxied){
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return (getAddresses(_receivedAddress));
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}
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/**
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* @dev Returns if a given address is a proxy or not:
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*/
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function _proxyRecordExists(address _receivedAddress) internal virtual view returns (bool _isProxied){
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return (proxyRecordExists(_receivedAddress));
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}
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/**
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* @dev call safemint after determining the delivery address.
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*/
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function _safeMintProxied(address _to, uint256 _tokenId) internal virtual {
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address nominator;
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address delivery;
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bool isProxied;
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(nominator, delivery, isProxied) = getAddresses(_to);
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_safeMint(delivery, _tokenId);
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}
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/**
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* @dev call safemint after determining the delivery address IF we have been passed a bool indicating
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* that a proxied address is in use. This function should be used in conjunction with an off-chain call
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* to _proxyRecordExists that determines if a proxy address is in use. This saves gas for anyone who is
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* NOT using a proxy as we do not needlessly check for proxy details.
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*/
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function _safeMintProxiedSwitch(address _to, uint256 _tokenId, bool _isProxied) internal virtual {
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if (_isProxied) {
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_safeMintProxied(_to, _tokenId);
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}
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else {
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_safeMint(_to, _tokenId);
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}
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}
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}
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