// File: @aragon/os/contracts/ens/ENSConstants.sol



/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;


contract ENSConstants {
    /* Hardcoded constants to save gas
    bytes32 internal constant ENS_ROOT = bytes32(0);
    bytes32 internal constant ETH_TLD_LABEL = keccak256("eth");
    bytes32 internal constant ETH_TLD_NODE = keccak256(abi.encodePacked(ENS_ROOT, ETH_TLD_LABEL));
    bytes32 internal constant PUBLIC_RESOLVER_LABEL = keccak256("resolver");
    bytes32 internal constant PUBLIC_RESOLVER_NODE = keccak256(abi.encodePacked(ETH_TLD_NODE, PUBLIC_RESOLVER_LABEL));
    */
    bytes32 internal constant ENS_ROOT = bytes32(0);
    bytes32 internal constant ETH_TLD_LABEL = 0x4f5b812789fc606be1b3b16908db13fc7a9adf7ca72641f84d75b47069d3d7f0;
    bytes32 internal constant ETH_TLD_NODE = 0x93cdeb708b7545dc668eb9280176169d1c33cfd8ed6f04690a0bcc88a93fc4ae;
    bytes32 internal constant PUBLIC_RESOLVER_LABEL = 0x329539a1d23af1810c48a07fe7fc66a3b34fbc8b37e9b3cdb97bb88ceab7e4bf;
    bytes32 internal constant PUBLIC_RESOLVER_NODE = 0xfdd5d5de6dd63db72bbc2d487944ba13bf775b50a80805fe6fcaba9b0fba88f5;
}

// File: @aragon/os/contracts/factory/ENSFactory.sol



pragma solidity 0.4.24;

import "../lib/ens/ENS.sol";
import "../lib/ens/PublicResolver.sol";
import "../ens/ENSConstants.sol";


// WARNING: This is an incredibly trustful ENS deployment, do NOT use in production!
// This contract is NOT meant to be deployed to a live network.
// Its only purpose is to easily create ENS instances for testing aragonPM.
contract ENSFactory is ENSConstants {
    event DeployENS(address ens);

    /**
    * @notice Create a new ENS and set `_owner` as the owner of the top level domain.
    * @param _owner Owner of .eth
    * @return ENS
    */
    function newENS(address _owner) public returns (ENS) {
        ENS ens = new ENS();

        // Setup .eth TLD
        ens.setSubnodeOwner(ENS_ROOT, ETH_TLD_LABEL, this);

        // Setup public resolver
        PublicResolver resolver = new PublicResolver(ens);
        ens.setSubnodeOwner(ETH_TLD_NODE, PUBLIC_RESOLVER_LABEL, this);
        ens.setResolver(PUBLIC_RESOLVER_NODE, resolver);
        resolver.setAddr(PUBLIC_RESOLVER_NODE, resolver);

        ens.setOwner(ETH_TLD_NODE, _owner);
        ens.setOwner(ENS_ROOT, _owner);

        emit DeployENS(ens);

        return ens;
    }
}

// File: @aragon/os/contracts/lib/ens/AbstractENS.sol



// See https://github.com/ensdomains/ens/blob/7e377df83f/contracts/AbstractENS.sol

pragma solidity ^0.4.15;


interface AbstractENS {
    function owner(bytes32 _node) public constant returns (address);
    function resolver(bytes32 _node) public constant returns (address);
    function ttl(bytes32 _node) public constant returns (uint64);
    function setOwner(bytes32 _node, address _owner) public;
    function setSubnodeOwner(bytes32 _node, bytes32 label, address _owner) public;
    function setResolver(bytes32 _node, address _resolver) public;
    function setTTL(bytes32 _node, uint64 _ttl) public;

    // Logged when the owner of a node assigns a new owner to a subnode.
    event NewOwner(bytes32 indexed _node, bytes32 indexed _label, address _owner);

    // Logged when the owner of a node transfers ownership to a new account.
    event Transfer(bytes32 indexed _node, address _owner);

    // Logged when the resolver for a node changes.
    event NewResolver(bytes32 indexed _node, address _resolver);

    // Logged when the TTL of a node changes
    event NewTTL(bytes32 indexed _node, uint64 _ttl);
}

// File: @aragon/os/contracts/lib/ens/ENS.sol



// See https://github.com/ensdomains/ens/blob/7e377df83f/contracts/ENS.sol

pragma solidity ^0.4.0;


import "./AbstractENS.sol";

/**
 * The ENS registry contract.
 */
contract ENS is AbstractENS {
    struct Record {
        address owner;
        address resolver;
        uint64 ttl;
    }

    mapping(bytes32=>Record) records;

    // Permits modifications only by the owner of the specified node.
    modifier only_owner(bytes32 node) {
        if (records[node].owner != msg.sender) throw;
        _;
    }

    /**
     * Constructs a new ENS registrar.
     */
    function ENS() public {
        records[0].owner = msg.sender;
    }

    /**
     * Returns the address that owns the specified node.
     */
    function owner(bytes32 node) public constant returns (address) {
        return records[node].owner;
    }

    /**
     * Returns the address of the resolver for the specified node.
     */
    function resolver(bytes32 node) public constant returns (address) {
        return records[node].resolver;
    }

    /**
     * Returns the TTL of a node, and any records associated with it.
     */
    function ttl(bytes32 node) public constant returns (uint64) {
        return records[node].ttl;
    }

    /**
     * Transfers ownership of a node to a new address. May only be called by the current
     * owner of the node.
     * @param node The node to transfer ownership of.
     * @param owner The address of the new owner.
     */
    function setOwner(bytes32 node, address owner) only_owner(node) public {
        Transfer(node, owner);
        records[node].owner = owner;
    }

    /**
     * Transfers ownership of a subnode keccak256(node, label) to a new address. May only be
     * called by the owner of the parent node.
     * @param node The parent node.
     * @param label The hash of the label specifying the subnode.
     * @param owner The address of the new owner.
     */
    function setSubnodeOwner(bytes32 node, bytes32 label, address owner) only_owner(node) public {
        var subnode = keccak256(node, label);
        NewOwner(node, label, owner);
        records[subnode].owner = owner;
    }

    /**
     * Sets the resolver address for the specified node.
     * @param node The node to update.
     * @param resolver The address of the resolver.
     */
    function setResolver(bytes32 node, address resolver) only_owner(node) public {
        NewResolver(node, resolver);
        records[node].resolver = resolver;
    }

    /**
     * Sets the TTL for the specified node.
     * @param node The node to update.
     * @param ttl The TTL in seconds.
     */
    function setTTL(bytes32 node, uint64 ttl) only_owner(node) public {
        NewTTL(node, ttl);
        records[node].ttl = ttl;
    }
}

// File: @aragon/os/contracts/lib/ens/PublicResolver.sol



// See https://github.com/ensdomains/ens/blob/7e377df83f/contracts/PublicResolver.sol

pragma solidity ^0.4.0;

import "./AbstractENS.sol";

/**
 * A simple resolver anyone can use; only allows the owner of a node to set its
 * address.
 */
contract PublicResolver {
    bytes4 constant INTERFACE_META_ID = 0x01ffc9a7;
    bytes4 constant ADDR_INTERFACE_ID = 0x3b3b57de;
    bytes4 constant CONTENT_INTERFACE_ID = 0xd8389dc5;
    bytes4 constant NAME_INTERFACE_ID = 0x691f3431;
    bytes4 constant ABI_INTERFACE_ID = 0x2203ab56;
    bytes4 constant PUBKEY_INTERFACE_ID = 0xc8690233;
    bytes4 constant TEXT_INTERFACE_ID = 0x59d1d43c;

    event AddrChanged(bytes32 indexed node, address a);
    event ContentChanged(bytes32 indexed node, bytes32 hash);
    event NameChanged(bytes32 indexed node, string name);
    event ABIChanged(bytes32 indexed node, uint256 indexed contentType);
    event PubkeyChanged(bytes32 indexed node, bytes32 x, bytes32 y);
    event TextChanged(bytes32 indexed node, string indexed indexedKey, string key);

    struct PublicKey {
        bytes32 x;
        bytes32 y;
    }

    struct Record {
        address addr;
        bytes32 content;
        string name;
        PublicKey pubkey;
        mapping(string=>string) text;
        mapping(uint256=>bytes) abis;
    }

    AbstractENS ens;
    mapping(bytes32=>Record) records;

    modifier only_owner(bytes32 node) {
        if (ens.owner(node) != msg.sender) throw;
        _;
    }

    /**
     * Constructor.
     * @param ensAddr The ENS registrar contract.
     */
    function PublicResolver(AbstractENS ensAddr) public {
        ens = ensAddr;
    }

    /**
     * Returns true if the resolver implements the interface specified by the provided hash.
     * @param interfaceID The ID of the interface to check for.
     * @return True if the contract implements the requested interface.
     */
    function supportsInterface(bytes4 interfaceID) public pure returns (bool) {
        return interfaceID == ADDR_INTERFACE_ID ||
               interfaceID == CONTENT_INTERFACE_ID ||
               interfaceID == NAME_INTERFACE_ID ||
               interfaceID == ABI_INTERFACE_ID ||
               interfaceID == PUBKEY_INTERFACE_ID ||
               interfaceID == TEXT_INTERFACE_ID ||
               interfaceID == INTERFACE_META_ID;
    }

    /**
     * Returns the address associated with an ENS node.
     * @param node The ENS node to query.
     * @return The associated address.
     */
    function addr(bytes32 node) public constant returns (address ret) {
        ret = records[node].addr;
    }

    /**
     * Sets the address associated with an ENS node.
     * May only be called by the owner of that node in the ENS registry.
     * @param node The node to update.
     * @param addr The address to set.
     */
    function setAddr(bytes32 node, address addr) only_owner(node) public {
        records[node].addr = addr;
        AddrChanged(node, addr);
    }

    /**
     * Returns the content hash associated with an ENS node.
     * Note that this resource type is not standardized, and will likely change
     * in future to a resource type based on multihash.
     * @param node The ENS node to query.
     * @return The associated content hash.
     */
    function content(bytes32 node) public constant returns (bytes32 ret) {
        ret = records[node].content;
    }

    /**
     * Sets the content hash associated with an ENS node.
     * May only be called by the owner of that node in the ENS registry.
     * Note that this resource type is not standardized, and will likely change
     * in future to a resource type based on multihash.
     * @param node The node to update.
     * @param hash The content hash to set
     */
    function setContent(bytes32 node, bytes32 hash) only_owner(node) public {
        records[node].content = hash;
        ContentChanged(node, hash);
    }

    /**
     * Returns the name associated with an ENS node, for reverse records.
     * Defined in EIP181.
     * @param node The ENS node to query.
     * @return The associated name.
     */
    function name(bytes32 node) public constant returns (string ret) {
        ret = records[node].name;
    }

    /**
     * Sets the name associated with an ENS node, for reverse records.
     * May only be called by the owner of that node in the ENS registry.
     * @param node The node to update.
     * @param name The name to set.
     */
    function setName(bytes32 node, string name) only_owner(node) public {
        records[node].name = name;
        NameChanged(node, name);
    }

    /**
     * Returns the ABI associated with an ENS node.
     * Defined in EIP205.
     * @param node The ENS node to query
     * @param contentTypes A bitwise OR of the ABI formats accepted by the caller.
     * @return contentType The content type of the return value
     * @return data The ABI data
     */
    function ABI(bytes32 node, uint256 contentTypes) public constant returns (uint256 contentType, bytes data) {
        var record = records[node];
        for(contentType = 1; contentType <= contentTypes; contentType <<= 1) {
            if ((contentType & contentTypes) != 0 && record.abis[contentType].length > 0) {
                data = record.abis[contentType];
                return;
            }
        }
        contentType = 0;
    }

    /**
     * Sets the ABI associated with an ENS node.
     * Nodes may have one ABI of each content type. To remove an ABI, set it to
     * the empty string.
     * @param node The node to update.
     * @param contentType The content type of the ABI
     * @param data The ABI data.
     */
    function setABI(bytes32 node, uint256 contentType, bytes data) only_owner(node) public {
        // Content types must be powers of 2
        if (((contentType - 1) & contentType) != 0) throw;

        records[node].abis[contentType] = data;
        ABIChanged(node, contentType);
    }

    /**
     * Returns the SECP256k1 public key associated with an ENS node.
     * Defined in EIP 619.
     * @param node The ENS node to query
     * @return x, y the X and Y coordinates of the curve point for the public key.
     */
    function pubkey(bytes32 node) public constant returns (bytes32 x, bytes32 y) {
        return (records[node].pubkey.x, records[node].pubkey.y);
    }

    /**
     * Sets the SECP256k1 public key associated with an ENS node.
     * @param node The ENS node to query
     * @param x the X coordinate of the curve point for the public key.
     * @param y the Y coordinate of the curve point for the public key.
     */
    function setPubkey(bytes32 node, bytes32 x, bytes32 y) only_owner(node) public {
        records[node].pubkey = PublicKey(x, y);
        PubkeyChanged(node, x, y);
    }

    /**
     * Returns the text data associated with an ENS node and key.
     * @param node The ENS node to query.
     * @param key The text data key to query.
     * @return The associated text data.
     */
    function text(bytes32 node, string key) public constant returns (string ret) {
        ret = records[node].text[key];
    }

    /**
     * Sets the text data associated with an ENS node and key.
     * May only be called by the owner of that node in the ENS registry.
     * @param node The node to update.
     * @param key The key to set.
     * @param value The text data value to set.
     */
    function setText(bytes32 node, string key, string value) only_owner(node) public {
        records[node].text[key] = value;
        TextChanged(node, key, key);
    }
}