68 lines
2.1 KiB
Solidity
68 lines
2.1 KiB
Solidity
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// SPDX-License-Identifier: MIT
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pragma solidity >=0.8.17;
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contract Create2Factory {
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bytes32 savedSalt;
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// Returns the address of the newly deployed contract
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function deploy(
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bytes32 _salt
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) public returns (address) {
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// This syntax is a newer way to invoke create2 without assembly, you just need to pass salt
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// https://docs.soliditylang.org/en/latest/control-structures.html#salted-contract-creations-create2
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savedSalt = _salt;
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(bool success, address ret) = deployDelegateCall(_salt);
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require(success);
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return ret;
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}
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function deployDelegateCall(
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bytes32 _salt
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) public returns (bool, address) {
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bytes memory data = abi.encodeWithSignature("_deploy(bytes32)", _salt);
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(bool success, bytes memory returnedData) = address(this).delegatecall(data);
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if(success){
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(address ret) = abi.decode(returnedData, (address));
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return (success, ret);
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}else{
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return (success, address(0));
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}
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}
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function _deploy(bytes32 _salt) public returns (address) {
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// https://solidity-by-example.org/app/create1/
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// This syntax is a newer way to invoke create2 without assembly, you just need to pass salt
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// https://docs.soliditylang.org/en/latest/control-structures.html#salted-contract-creations-create2
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return address(new SelfDestruct{salt: _salt}(_salt));
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}
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function test(address _address) public returns (address){
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// run destroy() on _address
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SelfDestruct selfDestruct = SelfDestruct(_address);
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selfDestruct.destroy();
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//verify data can still be accessed
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address ret = selfDestruct.sender();
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// attempt and fail to deploy contract using salt
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(bool success, ) = deployDelegateCall(selfDestruct.salt());
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require(!success);
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return ret;
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}
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}
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contract SelfDestruct {
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address public sender;
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bytes32 public salt;
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constructor(bytes32 _salt) {
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sender = tx.origin;
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salt=_salt;
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}
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function destroy() public {
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selfdestruct(payable(msg.sender));
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}
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}
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