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backend/contracts/FactoryDeployer.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+contract FactoryDeployer {
+    event Deployed(address addr, bytes32 salt);
+
+    function deploy(bytes32 salt, bytes memory creationCode) external payable returns (address addr) {
+        require(creationCode.length != 0, "init code empty");
+        // solhint-disable-next-line no-inline-assembly
+        assembly {
+            addr := create2(callvalue(), add(creationCode, 0x20), mload(creationCode), salt)
+        }
+        require(addr != address(0), "CREATE2 failed");
+        emit Deployed(addr, salt);
+    }
+
+    function computeAddress(bytes32 salt, bytes32 initCodeHash) external view returns (address) {
+        bytes32 hash = keccak256(abi.encodePacked(bytes1(0xff), address(this), salt, initCodeHash));
+        return address(uint160(uint256(hash)));
+    }
+}
+
+