pragma solidity ^0.7.0; /** * @title Basic. * @dev Deposit & Withdraw ERC721 from DSA. */ import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import {DSMath} from "../../common/math.sol"; import {Basic} from "../../common/basic.sol"; import {Events} from "./events.sol"; abstract contract BasicResolver is Events, DSMath, Basic { /** * @dev Deposit Assets To Smart Account. * @notice Deposit a ERC721 token to DSA * @param token Address of token. * @param tokenId ID of token. * @param getId ID to retrieve tokenId. * @param setId ID stores the tokenId. */ function depositERC721( address token, uint256 tokenId, uint256 getId, uint256 setId ) public payable returns (string memory _eventName, bytes memory _eventParam) { uint256 _tokenId = getUint(getId, tokenId); IERC721 tokenContract = IERC721(token); tokenContract.safeTransferFrom(msg.sender, address(this), _tokenId); setUint(setId, _tokenId); _eventName = "LogDepositERC721(address,address,uint256,uint256,uint256)"; _eventParam = abi.encode(token, msg.sender, _tokenId, getId, setId); } /** * @dev Withdraw Assets To Smart Account. * @notice Withdraw a ERC721 token from DSA * @param token Address of the token. * @param tokenId ID of token. * @param to The address to receive the token upon withdrawal * @param getId ID to retrieve tokenId. * @param setId ID stores the tokenId. */ function withdrawERC721( address token, uint256 tokenId, address payable to, uint256 getId, uint256 setId ) public payable returns (string memory _eventName, bytes memory _eventParam) { uint256 _tokenId = getUint(getId, tokenId); IERC721 tokenContract = IERC721(token); tokenContract.safeTransferFrom(address(this), to, _tokenId); setUint(setId, _tokenId); _eventName = "LogWithdrawERC721(address,uint256,address,uint256,uint256)"; _eventParam = abi.encode(token, _tokenId, to, getId, setId); } } contract ConnectV2BasicERC721 is BasicResolver { string public constant name = "BASIC-ERC721-v1.0"; }