编译器
0.8.17+commit.8df45f5f
文件 1 的 6:IERC1155Receiver.sol
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
interface IERC1155Receiver is IERC165 {
function onERC1155Received(
address operator,
address from,
uint256 id,
uint256 value,
bytes calldata data
) external returns (bytes4);
function onERC1155BatchReceived(
address operator,
address from,
uint256[] calldata ids,
uint256[] calldata values,
bytes calldata data
) external returns (bytes4);
}
文件 2 的 6:IERC165.sol
pragma solidity ^0.8.0;
interface IERC165 {
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
文件 3 的 6:IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address from,
address to,
uint256 amount
) external returns (bool);
}
文件 4 的 6:IERC721Receiver.sol
pragma solidity ^0.8.0;
interface IERC721Receiver {
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
文件 5 的 6:ISquidMulticall.sol
pragma solidity 0.8.17;
interface ISquidMulticall {
enum CallType {
Default,
FullTokenBalance,
FullNativeBalance,
CollectTokenBalance
}
struct Call {
CallType callType;
address target;
uint256 value;
bytes callData;
bytes payload;
}
error AlreadyRunning();
error CallFailed(uint256 callPosition, bytes reason);
function run(Call[] calldata calls) external payable;
}
文件 6 的 6:SquidMulticall.sol
pragma solidity 0.8.17;
import {ISquidMulticall} from "./interfaces/ISquidMulticall.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC721Receiver} from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import {IERC1155Receiver} from "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
contract SquidMulticall is ISquidMulticall, IERC721Receiver, IERC1155Receiver {
bytes4 constant public ERC165_INTERFACE_ID = 0x01ffc9a7;
bytes4 constant public ERC721_TOKENRECEIVER_INTERFACE_ID = 0x150b7a02;
bytes4 constant public ERC1155_TOKENRECEIVER_INTERFACE_ID = 0x4e2312e0;
bool private isRunning;
error TransferFailed();
function run(Call[] calldata calls) external payable {
if (isRunning) revert AlreadyRunning();
isRunning = true;
for (uint256 i = 0; i < calls.length; i++) {
Call memory call = calls[i];
if (call.callType == CallType.FullTokenBalance) {
(address token, uint256 amountParameterPosition) = abi.decode(call.payload, (address, uint256));
uint256 amount = IERC20(token).balanceOf(address(this));
_setCallDataParameter(call.callData, amountParameterPosition, amount);
} else if (call.callType == CallType.FullNativeBalance) {
call.value = address(this).balance;
} else if (call.callType == CallType.CollectTokenBalance) {
address token = abi.decode(call.payload, (address));
_safeTransferFrom(token, msg.sender, IERC20(token).balanceOf(msg.sender));
continue;
}
(bool success, bytes memory data) = call.target.call{value: call.value}(call.callData);
if (!success) revert CallFailed(i, data);
}
isRunning = false;
}
function supportsInterface(bytes4 interfaceId) external pure returns (bool) {
return interfaceId == ERC1155_TOKENRECEIVER_INTERFACE_ID ||
interfaceId == ERC721_TOKENRECEIVER_INTERFACE_ID ||
interfaceId == ERC165_INTERFACE_ID;
}
function _safeTransferFrom(address token, address from, uint256 amount) private {
(bool success, bytes memory returnData) = token.call(
abi.encodeWithSelector(IERC20.transferFrom.selector, from, address(this), amount)
);
bool transferred = success && (returnData.length == uint256(0) || abi.decode(returnData, (bool)));
if (!transferred || token.code.length == 0) revert TransferFailed();
}
function _setCallDataParameter(bytes memory callData, uint256 parameterPosition, uint256 value) private pure {
assembly {
mstore(add(callData, add(36, mul(parameterPosition, 32))), value)
}
}
function onERC721Received(
address,
address,
uint256,
bytes calldata
) external pure returns (bytes4) {
return IERC721Receiver.onERC721Received.selector;
}
function onERC1155Received(address, address, uint256, uint256, bytes calldata) external pure returns (bytes4) {
return IERC1155Receiver.onERC1155Received.selector;
}
function onERC1155BatchReceived(address, address, uint256[] calldata, uint256[] calldata, bytes calldata) external pure returns (bytes4) {
return IERC1155Receiver.onERC1155BatchReceived.selector;
}
receive() external payable {}
}
{
"compilationTarget": {
"contracts/SquidMulticall.sol": "SquidMulticall"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"runs": 99999
},
"remappings": [],
"viaIR": true
}
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