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/// SPDX-License-Identifier: AGPL-3.0

// free as in free-for-all

pragma solidity 0.8.13;

import { Dmap } from './dmap.sol';

contract FreeZone {
    Dmap                      public immutable dmap;
    uint256                   public           last;
    mapping(bytes32=>address) public           controllers;

    event Give(address indexed giver, bytes32 indexed zone, address indexed recipient);

    constructor(Dmap d) {
        dmap = d;
    }

    function take(bytes32 key) external {
        require(controllers[key] == address(0), "ERR_TAKEN");
        require(block.timestamp > last, "ERR_LIMIT");
        last = block.timestamp;
        controllers[key] = msg.sender;
        emit Give(address(0), key, msg.sender);
    }

    function give(bytes32 key, address recipient) external {
        require(controllers[key] == msg.sender, "ERR_OWNER");
        controllers[key] = recipient;
        emit Give(msg.sender, key, recipient);
    }

    function set(bytes32 key, bytes32 meta, bytes32 data) external {
        require(controllers[key] == msg.sender, "ERR_OWNER");
        dmap.set(key, meta, data);
    }
}

/// SPDX-License-Identifier: AGPL-3.0

// One day, someone is going to try very hard to prevent you
// from accessing one of these storage slots.

pragma solidity 0.8.13;

interface Dmap {
    error LOCKED();
    event Set(
        address indexed zone,
        bytes32 indexed name,
        bytes32 indexed meta,
        bytes32 indexed data
    ) anonymous;

    function set(bytes32 name, bytes32 meta, bytes32 data) external;
    function get(bytes32 slot) external view returns (bytes32 meta, bytes32 data);
}

contract _dmap_ {
    error LOCKED();
    uint256 constant LOCK = 0x1;
    constructor(address rootzone) { assembly {
        sstore(0, LOCK)
        sstore(1, shl(96, rootzone))
    }}
    fallback() external payable { assembly {
        if eq(36, calldatasize()) {
            mstore(0, sload(calldataload(4)))
            mstore(32, sload(add(1, calldataload(4))))
            return(0, 64)
        }
        let name := calldataload(4)
        let meta := calldataload(36)
        let data := calldataload(68)
        mstore(0, caller())
        mstore(32, name)
        let slot := keccak256(0, 64)
        log4(0, 0, caller(), name, meta, data)
        sstore(add(slot, 1), data)
        if iszero(or(xor(100, calldatasize()), and(LOCK, sload(slot)))) {
            sstore(slot, meta)
            return(0, 0)
        }
        if eq(100, calldatasize()) {
            mstore(0, shl(224, 0xa1422f69))
            revert(0, 4)
        }
        revert(0, 0)
    }}
}

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[{"inputs":[{"internalType":"contract Dmap","name":"d","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"giver","type":"address"},{"indexed":true,"internalType":"bytes32","name":"zone","type":"bytes32"},{"indexed":true,"internalType":"address","name":"recipient","type":"address"}],"name":"Give","type":"event"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"controllers","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"dmap","outputs":[{"internalType":"contract Dmap","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"key","type":"bytes32"},{"internalType":"address","name":"recipient","type":"address"}],"name":"give","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"last","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"key","type":"bytes32"},{"internalType":"bytes32","name":"meta","type":"bytes32"},{"internalType":"bytes32","name":"data","type":"bytes32"}],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"key","type":"bytes32"}],"name":"take","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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00000000000000000000000090949c9937a11ba943c7a72c3fa073a37e3fdd96

-----Decoded View---------------
Arg [0] : d (address): 0x90949c9937A11BA943C7A72C3FA073a37E3FdD96

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000090949c9937a11ba943c7a72c3fa073a37e3fdd96

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ipfs://f2aff6925acfd74cc31810d5e7dfba5583c6e28eaeed2cef7ed28a757c7d94ec