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480f454 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import {CollectionModule15} from "./CollectionModule15.sol";
contract CollectionProxy15 is CollectionModule15 {
address public implementation;
bool public finalized;
constructor(address implementation_) { implementation = implementation_; }
function upgrade(address value) external {
require(msg.sender == controller && !finalized, "upgrade unavailable");
require(value.code.length > 0, "code required");
implementation = value;
}
function finalize() external {
require(msg.sender == controller && !finalized, "finalization unavailable");
finalized = true;
}
function transferFrom(address from, address to, uint256 id) public override {
_dispatch(abi.encodeWithSignature("transferFrom(address,address,uint256)", from, to, id));
}
function reassign(uint256 id, address to) public override {
_dispatch(abi.encodeWithSignature("reassign(uint256,address)", id, to));
}
function _dispatch(bytes memory data) private {
address target = implementation;
(bool success, bytes memory result) = target.delegatecall(data);
if (!success) assembly { revert(add(result, 32), mload(result)) }
}
}
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