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// SPDX-License-Identifier: MIT
pragma solidity >=0.7.0;

import "../../base/model/IProposalsManager.sol";
import "../../core/model/IOrganization.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@ethereansos/items-v2/contracts/model/Item.sol";
import {TransferUtilities} from "@ethereansos/swissknife/contracts/lib/GeneralUtilities.sol";

contract BySpecificAddress is IProposalChecker {

    string public constant LABEL = 'host';

    string public uri;
    address public value;
    bool public discriminant;

    function lazyInit(bytes memory lazyInitData) external returns(bytes memory lazyInitResponseData) {
        require(keccak256(bytes(uri)) == keccak256(""));
        (uri, lazyInitResponseData) = abi.decode(lazyInitData, (string, bytes));
        require(keccak256(bytes(uri)) != keccak256(""));

        (value, discriminant) = abi.decode(lazyInitResponseData, (address, bool));

        lazyInitResponseData = "";
    }

    function setValue(address newValue) external {
        require(msg.sender == value, "unauthorized");
        require(discriminant, "cannot change");
        require(newValue != address(0), "void");
        value = newValue;
    }

    function makeReadOnly() external {
        require(msg.sender == value, "unauthorized");
        require(discriminant, "cannot change");
        discriminant = false;
    }

    function check(address, bytes32, bytes calldata, address from, address) external override view returns(bool) {
        return from == value;
    }
}

contract ChangeOrganizationUriProposal {

    string public constant LABEL = 'changeOrganizationUri';

    string public uri;

    string public value;

    string public additionalUri;

    function lazyInit(bytes memory lazyInitData) external returns(bytes memory lazyInitResponseData) {
        require(keccak256(bytes(uri)) == keccak256(""));
        (uri, lazyInitResponseData) = abi.decode(lazyInitData, (string, bytes));
        require(keccak256(bytes(uri)) != keccak256(""));

        (additionalUri, value) = abi.decode(lazyInitResponseData, (string, string));

        lazyInitResponseData = "";
    }

    function execute(bytes32) external {
        IOrganization(ILazyInitCapableElement(msg.sender).host()).setUri(value);
    }
}

/*contract SlashingConditionAtCreation {
    using TransferUtilities for address;

    uint256 public constant ONE_HUNDRED = 1e18;

    string public uri;

    uint256 public tokenIndex;
    bool public amountIsPercentage;
    uint256 public value;

    mapping(bytes32 => bool) public alreadyCalled;
    mapping(bytes32 => uint256) public toValue;

    function lazyInit(bytes memory lazyInitData) external returns(bytes memory lazyInitResponseData) {
        require(keccak256(bytes(uri)) == keccak256(""));
        (uri, lazyInitResponseData) = abi.decode(lazyInitData, (string, bytes));
        require(keccak256(bytes(uri)) != keccak256(""));

        (tokenIndex, amountIsPercentage, value) = abi.decode(lazyInitResponseData, (uint256, bool, uint256));

        lazyInitResponseData = "";
    }

    function check(address, bytes32 proposalId, bytes calldata proposalData, address, address) external returns(bool) {
        IProposalsManager.Proposal memory proposal = abi.decode(proposalData, (IProposalsManager.Proposal));
        if(!alreadyCalled[proposalId]) {
            _take(proposalId, proposal);
        } else {
            _give(proposalId, proposal);
        }
        return true;
    }

    function _take(bytes32 proposalId, IProposalsManager.Proposal memory proposal) private {
        require(IProposalsManager(address(this)).lastProposalId() == proposalId, "not last proposal");
        alreadyCalled[proposalId] = true;
        address from = proposal.proposer;
        (address[] memory collections, uint256[] memory objecIds,) = abi.decode(proposal.votingTokens, (address[], uint256[], uint256[]));

        address collection = collections[tokenIndex];
        uint256 objectId = objecIds[tokenIndex];

        if(collection == address(0)) {
            toValue[proposalId] = _takeERC20(address(uint160(objectId)), from);
        } else {
            toValue[proposalId] = _takeItem(collection, objectId, from);
        }
    }

    function _give(bytes32 proposalId, IProposalsManager.Proposal memory proposal) private {
        require(toValue[proposalId] > 0, "empty value");
        address to = proposal.proposer;
        (address[] memory collections, uint256[] memory objecIds,) = abi.decode(proposal.votingTokens, (address[], uint256[], uint256[]));
        address collection = collections[tokenIndex];
        uint256 objectId = objecIds[tokenIndex];
        if(collection == address(0)) {
            address tokenAddress = address(uint160(objectId));
            tokenAddress.safeTransfer(to, toValue[proposalId]);
        } else {
            Item(collection).safeTransferFrom(address(this), to, objectId, toValue[proposalId], "");
        }
        toValue[proposalId] = 0;
    }

    function _takeERC20(address tokenAddress, address from) private returns (uint256 realValue) {
        realValue = amountIsPercentage ? _calculatePercentage(IERC20(tokenAddress).totalSupply(), value) : value;
        tokenAddress.safeTransferFrom(from, address(this), realValue);
    }

    function _takeItem(address tokenAddress, uint256 objectId, address from) private returns (uint256 realValue) {
        Item item = Item(tokenAddress);
        realValue = amountIsPercentage ? _calculatePercentage(item.totalSupply(objectId), value) : value;
        item.safeTransferFrom(from, address(this), objectId, realValue, "");
    }

    function _calculatePercentage(uint256 totalSupply, uint256 percentage) private pure returns (uint256) {
        return (totalSupply * ((percentage * 1e18) / ONE_HUNDRED)) / 1e18;
    }
}

contract VoteAtCreation {
    using TransferUtilities for address;

    uint256 public constant ONE_HUNDRED = 1e18;

    string public uri;

    uint256 public tokenIndex;
    bool public amountIsPercentage;
    uint256 public value;

    event Init(uint256 tokenIndex, bool amountIsPercentage, uint256 value);

    function lazyInit(bytes memory lazyInitData) external returns(bytes memory lazyInitResponseData) {
        require(keccak256(bytes(uri)) == keccak256(""));
        (uri, lazyInitResponseData) = abi.decode(lazyInitData, (string, bytes));
        require(keccak256(bytes(uri)) != keccak256(""));

        (tokenIndex, amountIsPercentage, value) = abi.decode(lazyInitResponseData, (uint256, bool, uint256));
        emit Init(tokenIndex, amountIsPercentage, value);
        lazyInitResponseData = "";
    }

    event Malmenato(address[] add, uint256[] obj, uint256 addLength, uint256 objLength, uint256 tokenIndex);

    function check(address, bytes32 proposalId, bytes calldata proposalData, address, address) external returns(bool) {
        require(IProposalsManager(address(this)).lastProposalId() == proposalId, "not last proposal");
        IProposalsManager.Proposal memory proposal = abi.decode(proposalData, (IProposalsManager.Proposal));
        address from = proposal.proposer;
        (address[] memory collections, uint256[] memory objectIds,) = abi.decode(proposal.votingTokens, (address[], uint256[], uint256[]));

        emit Malmenato(collections, objectIds, collections.length, objectIds.length, tokenIndex);

        address collection = collections[tokenIndex];
        uint256 objectId = objectIds[tokenIndex];

        if(collection == address(0)) {
            _voteWithERC20(address(uint160(objectId)), from, proposalId);
        } else {
            _voteWithItem(collection, objectId, from, proposalId);
        }
        return true;
    }

    function _voteWithERC20(address tokenAddress, address from, bytes32 proposalId) private returns (uint256 realValue) {
        realValue = amountIsPercentage ? _calculatePercentage(IERC20(tokenAddress).totalSupply(), value) : value;
        tokenAddress.safeTransferFrom(from, address(this), realValue);
        tokenAddress.safeApprove(address(this), realValue);
        IProposalsManager(address(this)).vote(tokenAddress, "", proposalId, realValue, 0, from, false);
    }

    function _voteWithItem(address tokenAddress, uint256 objectId, address from, bytes32 proposalId) private returns (uint256 realValue) {
        Item item = Item(tokenAddress);
        realValue = amountIsPercentage ? _calculatePercentage(item.totalSupply(objectId), value) : value;
        item.safeTransferFrom(from, address(this), objectId, realValue, abi.encode(proposalId, realValue, 0, from, false));
    }

    function _calculatePercentage(uint256 totalSupply, uint256 percentage) private pure returns (uint256) {
        return (totalSupply * ((percentage * 1e18) / ONE_HUNDRED)) / 1e18;
    }
}*/

// SPDX-License-Identifier: MIT
pragma solidity >=0.7.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

library BehaviorUtilities {

    function randomKey(uint256 i) internal view returns (bytes32) {
        return keccak256(abi.encode(i, block.timestamp, block.number, tx.origin, tx.gasprice, block.coinbase, block.difficulty, msg.sender, blockhash(block.number - 5)));
    }

    function calculateProjectedArraySizeAndLoopUpperBound(uint256 arraySize, uint256 start, uint256 offset) internal pure returns(uint256 projectedArraySize, uint256 projectedArrayLoopUpperBound) {
        if(arraySize != 0 && start < arraySize && offset != 0) {
            uint256 length = start + offset;
            if(start < (length = length > arraySize ? arraySize : length)) {
                projectedArraySize = (projectedArrayLoopUpperBound = length) - start;
            }
        }
    }
}

library ReflectionUtilities {

    function read(address subject, bytes memory inputData) internal view returns(bytes memory returnData) {
        bool result;
        (result, returnData) = subject.staticcall(inputData);
        if(!result) {
            assembly {
                revert(add(returnData, 0x20), mload(returnData))
            }
        }
    }

    function submit(address subject, uint256 value, bytes memory inputData) internal returns(bytes memory returnData) {
        bool result;
        (result, returnData) = subject.call{value : value}(inputData);
        if(!result) {
            assembly {
                revert(add(returnData, 0x20), mload(returnData))
            }
        }
    }

    function isContract(address subject) internal view returns (bool) {
        if(subject == address(0)) {
            return false;
        }
        uint256 codeLength;
        assembly {
            codeLength := extcodesize(subject)
        }
        return codeLength > 0;
    }

    function clone(address originalContract) internal returns(address copyContract) {
        assembly {
            mstore(
                0,
                or(
                    0x5880730000000000000000000000000000000000000000803b80938091923cF3,
                    mul(originalContract, 0x1000000000000000000)
                )
            )
            copyContract := create(0, 0, 32)
            switch extcodesize(copyContract)
                case 0 {
                    invalid()
                }
        }
    }
}

library BytesUtilities {

    bytes private constant ALPHABET = "0123456789abcdef";
    string internal constant BASE64_ENCODER_DATA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

    function asAddress(bytes memory b) internal pure returns(address) {
        if(b.length == 0) {
            return address(0);
        }
        if(b.length == 20) {
            address addr;
            assembly {
                addr := mload(add(b, 20))
            }
            return addr;
        }
        return abi.decode(b, (address));
    }

    function asAddressArray(bytes memory b) internal pure returns(address[] memory callResult) {
        if(b.length > 0) {
            return abi.decode(b, (address[]));
        }
    }

    function asBool(bytes memory bs) internal pure returns(bool) {
        return asUint256(bs) != 0;
    }

    function asBoolArray(bytes memory b) internal pure returns(bool[] memory callResult) {
        if(b.length > 0) {
            return abi.decode(b, (bool[]));
        }
    }

    function asBytesArray(bytes memory b) internal pure returns(bytes[] memory callResult) {
        if(b.length > 0) {
            return abi.decode(b, (bytes[]));
        }
    }

    function asString(bytes memory b) internal pure returns(string memory callResult) {
        if(b.length > 0) {
            return abi.decode(b, (string));
        }
    }

    function asStringArray(bytes memory b) internal pure returns(string[] memory callResult) {
        if(b.length > 0) {
            return abi.decode(b, (string[]));
        }
    }

    function asUint256(bytes memory bs) internal pure returns(uint256 x) {
        if (bs.length >= 32) {
            assembly {
                x := mload(add(bs, add(0x20, 0)))
            }
        }
    }

    function asUint256Array(bytes memory b) internal pure returns(uint256[] memory callResult) {
        if(b.length > 0) {
            return abi.decode(b, (uint256[]));
        }
    }

    function toString(bytes memory data) internal pure returns(string memory) {
        bytes memory str = new bytes(2 + data.length * 2);
        str[0] = "0";
        str[1] = "x";
        for (uint256 i = 0; i < data.length; i++) {
            str[2+i*2] = ALPHABET[uint256(uint8(data[i] >> 4))];
            str[3+i*2] = ALPHABET[uint256(uint8(data[i] & 0x0f))];
        }
        return string(str);
    }

    function asSingletonArray(bytes memory a) internal pure returns(bytes[] memory array) {
        array = new bytes[](1);
        array[0] = a;
    }

    function toBase64(bytes memory data) internal pure returns (string memory) {
        if (data.length == 0) return '';

        string memory table = BASE64_ENCODER_DATA;

        uint256 encodedLen = 4 * ((data.length + 2) / 3);

        string memory result = new string(encodedLen + 32);

        assembly {
            mstore(result, encodedLen)

            let tablePtr := add(table, 1)

            let dataPtr := data
            let endPtr := add(dataPtr, mload(data))

            let resultPtr := add(result, 32)

            for {} lt(dataPtr, endPtr) {}
            {
                dataPtr := add(dataPtr, 3)
                let input := mload(dataPtr)

                mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))
                resultPtr := add(resultPtr, 1)
                mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))
                resultPtr := add(resultPtr, 1)
                mstore8(resultPtr, mload(add(tablePtr, and(shr( 6, input), 0x3F))))
                resultPtr := add(resultPtr, 1)
                mstore8(resultPtr, mload(add(tablePtr, and(        input,  0x3F))))
                resultPtr := add(resultPtr, 1)
            }

            switch mod(mload(data), 3)
            case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) }
            case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) }
        }

        return result;
    }
}

library StringUtilities {

    bytes1 private constant CHAR_0 = bytes1('0');
    bytes1 private constant CHAR_A = bytes1('A');
    bytes1 private constant CHAR_a = bytes1('a');
    bytes1 private constant CHAR_f = bytes1('f');

    bytes  internal constant BASE64_DECODER_DATA = hex"0000000000000000000000000000000000000000000000000000000000000000"
                                                   hex"00000000000000000000003e0000003f3435363738393a3b3c3d000000000000"
                                                   hex"00000102030405060708090a0b0c0d0e0f101112131415161718190000000000"
                                                   hex"001a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132330000000000";

    function isEmpty(string memory test) internal pure returns (bool) {
        return equals(test, "");
    }

    function equals(string memory a, string memory b) internal pure returns(bool) {
        return keccak256(abi.encodePacked(a)) == keccak256(abi.encodePacked(b));
    }

    function toLowerCase(string memory str) internal pure returns(string memory) {
        bytes memory bStr = bytes(str);
        for (uint256 i = 0; i < bStr.length; i++) {
            bStr[i] = bStr[i] >= 0x41 && bStr[i] <= 0x5A ? bytes1(uint8(bStr[i]) + 0x20) : bStr[i];
        }
        return string(bStr);
    }

    function asBytes(string memory str) internal pure returns(bytes memory toDecode) {
        bytes memory data = abi.encodePacked(str);
        if(data.length == 0 || data[0] != "0" || (data[1] != "x" && data[1] != "X")) {
            return "";
        }
        uint256 start = 2;
        toDecode = new bytes((data.length - 2) / 2);

        for(uint256 i = 0; i < toDecode.length; i++) {
            toDecode[i] = bytes1(_fromHexChar(uint8(data[start++])) + _fromHexChar(uint8(data[start++])) * 16);
        }
    }

    function toBase64(string memory input) internal pure returns(string memory) {
        return BytesUtilities.toBase64(abi.encodePacked(input));
    }

    function fromBase64(string memory _data) internal pure returns (bytes memory) {
        bytes memory data = bytes(_data);

        if (data.length == 0) return new bytes(0);
        require(data.length % 4 == 0, "invalid base64 decoder input");

        bytes memory table = BASE64_DECODER_DATA;

        uint256 decodedLen = (data.length / 4) * 3;

        bytes memory result = new bytes(decodedLen + 32);

        assembly {
            let lastBytes := mload(add(data, mload(data)))
            if eq(and(lastBytes, 0xFF), 0x3d) {
                decodedLen := sub(decodedLen, 1)
                if eq(and(lastBytes, 0xFFFF), 0x3d3d) {
                    decodedLen := sub(decodedLen, 1)
                }
            }

            mstore(result, decodedLen)

            let tablePtr := add(table, 1)

            let dataPtr := data
            let endPtr := add(dataPtr, mload(data))

            let resultPtr := add(result, 32)

            for {} lt(dataPtr, endPtr) {}
            {
               dataPtr := add(dataPtr, 4)
               let input := mload(dataPtr)

               let output := add(
                   add(
                       shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)),
                       shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))),
                   add(
                       shl( 6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)),
                               and(mload(add(tablePtr, and(        input , 0xFF))), 0xFF)
                    )
                )
                mstore(resultPtr, shl(232, output))
                resultPtr := add(resultPtr, 3)
            }
        }

        return result;
    }

    function _fromHexChar(uint8 c) private pure returns (uint8) {
        bytes1 charc = bytes1(c);
        return charc < CHAR_0 || charc > CHAR_f ? 0 : (charc < CHAR_A ? 0 : 10) + c - uint8(charc < CHAR_A ? CHAR_0 : charc < CHAR_a ? CHAR_A : CHAR_a);
    }
}

library Uint256Utilities {
    function asSingletonArray(uint256 n) internal pure returns(uint256[] memory array) {
        array = new uint256[](1);
        array[0] = n;
    }

    function toHex(uint256 _i) internal pure returns (string memory) {
        return BytesUtilities.toString(abi.encodePacked(_i));
    }

    function toString(uint256 _i) internal pure returns (string memory _uintAsString) {
        if (_i == 0) {
            return "0";
        }
        uint256 j = _i;
        uint256 len;
        while (j != 0) {
            len++;
            j /= 10;
        }
        bytes memory bstr = new bytes(len);
        uint256 k = len;
        while (_i != 0) {
            k = k-1;
            uint8 temp = (48 + uint8(_i - _i / 10 * 10));
            bytes1 b1 = bytes1(temp);
            bstr[k] = b1;
            _i /= 10;
        }
        return string(bstr);
    }

    function sum(uint256[] memory arr) internal pure returns (uint256 result) {
        for(uint256 i = 0; i < arr.length; i++) {
            result += arr[i];
        }
    }
}

library AddressUtilities {
    function asSingletonArray(address a) internal pure returns(address[] memory array) {
        array = new address[](1);
        array[0] = a;
    }

    function toString(address _addr) internal pure returns (string memory) {
        return _addr == address(0) ? "0x0000000000000000000000000000000000000000" : BytesUtilities.toString(abi.encodePacked(_addr));
    }
}

library Bytes32Utilities {

    function asSingletonArray(bytes32 a) internal pure returns(bytes32[] memory array) {
        array = new bytes32[](1);
        array[0] = a;
    }

    function toString(bytes32 bt) internal pure returns (string memory) {
        return bt == bytes32(0) ?  "0x0000000000000000000000000000000000000000000000000000000000000000" : BytesUtilities.toString(abi.encodePacked(bt));
    }
}

library TransferUtilities {
    using ReflectionUtilities for address;

    function balanceOf(address erc20TokenAddress, address account) internal view returns(uint256) {
        if(erc20TokenAddress == address(0)) {
            return account.balance;
        }
        return abi.decode(erc20TokenAddress.read(abi.encodeWithSelector(IERC20(erc20TokenAddress).balanceOf.selector, account)), (uint256));
    }

    function allowance(address erc20TokenAddress, address account, address spender) internal view returns(uint256) {
        if(erc20TokenAddress == address(0)) {
            return 0;
        }
        return abi.decode(erc20TokenAddress.read(abi.encodeWithSelector(IERC20(erc20TokenAddress).allowance.selector, account, spender)), (uint256));
    }

    function safeApprove(address erc20TokenAddress, address spender, uint256 value) internal {
        bytes memory returnData = erc20TokenAddress.submit(0, abi.encodeWithSelector(IERC20(erc20TokenAddress).approve.selector, spender, value));
        require(returnData.length == 0 || abi.decode(returnData, (bool)), 'APPROVE_FAILED');
    }

    function safeTransfer(address erc20TokenAddress, address to, uint256 value) internal {
        if(value == 0) {
            return;
        }
        if(erc20TokenAddress == address(0)) {
            to.submit(value, "");
            return;
        }
        bytes memory returnData = erc20TokenAddress.submit(0, abi.encodeWithSelector(IERC20(erc20TokenAddress).transfer.selector, to, value));
        require(returnData.length == 0 || abi.decode(returnData, (bool)), 'TRANSFER_FAILED');
    }

    function safeTransferFrom(address erc20TokenAddress, address from, address to, uint256 value) internal {
        if(value == 0) {
            return;
        }
        if(erc20TokenAddress == address(0)) {
            to.submit(value, "");
            return;
        }
        bytes memory returnData = erc20TokenAddress.submit(0, abi.encodeWithSelector(IERC20(erc20TokenAddress).transferFrom.selector, from, to, value));
        require(returnData.length == 0 || abi.decode(returnData, (bool)), 'TRANSFERFROM_FAILED');
    }
}

//SPDX-License-Identifier: MIT

pragma solidity >=0.7.0;
pragma abicoder v2;

import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "./IERC1155Views.sol";

struct Header {
    address host;
    string name;
    string symbol;
    string uri;
}

struct CreateItem {
    Header header;
    bytes32 collectionId;
    uint256 id;
    address[] accounts;
    uint256[] amounts;
}

interface Item is IERC1155, IERC1155Views {

    event CollectionItem(bytes32 indexed fromCollectionId, bytes32 indexed toCollectionId, uint256 indexed itemId);

    function name() external view returns(string memory);
    function symbol() external view returns(string memory);
    function decimals() external view returns(uint256);

    function burn(address account, uint256 itemId, uint256 amount) external;
    function burnBatch(address account, uint256[] calldata itemIds, uint256[] calldata amounts) external;

    function burn(address account, uint256 itemId, uint256 amount, bytes calldata data) external;
    function burnBatch(address account, uint256[] calldata itemIds, uint256[] calldata amounts, bytes calldata data) external;

    function mintItems(CreateItem[] calldata items) external returns(uint256[] memory itemIds);
    function setItemsCollection(uint256[] calldata itemIds, bytes32[] calldata collectionIds) external returns(bytes32[] memory oldCollectionIds);
    function setItemsMetadata(uint256[] calldata itemIds, Header[] calldata newValues) external returns(Header[] memory oldValues);

    function interoperableOf(uint256 itemId) external view returns(address);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.7.0;

import "@ethereansos/swissknife/contracts/dynamicMetadata/model/IDynamicMetadataCapableElement.sol";

interface IOrganization is IDynamicMetadataCapableElement {

    struct Component {
        bytes32 key;
        address location;
        bool active;
        bool log;
    }

    function keyOf(address componentAddress) external view returns(bytes32);
    function history(bytes32 key) external view returns(address[] memory componentsAddresses);
    function batchHistory(bytes32[] calldata keys) external view returns(address[][] memory componentsAddresses);

    function get(bytes32 key) external view returns(address componentAddress);
    function list(bytes32[] calldata keys) external view returns(address[] memory componentsAddresses);
    function isActive(address subject) external view returns(bool);
    function keyIsActive(bytes32 key) external view returns(bool);

    function set(Component calldata) external returns(address replacedComponentAddress);
    function batchSet(Component[] calldata) external returns (address[] memory replacedComponentAddresses);

    event ComponentSet(bytes32 indexed key, address indexed from, address indexed to, bool active);

    function submit(address location, bytes calldata payload, address restReceiver) external payable returns(bytes memory response);
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.7.0;

import "@ethereansos/swissknife/contracts/generic/model/ILazyInitCapableElement.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";

interface IProposalsManager is IERC1155Receiver, ILazyInitCapableElement {

    struct ProposalCode {
        address location;
        bytes bytecode;
    }

    struct ProposalCodes {
        ProposalCode[] codes;
        bool alsoTerminate;
    }

    struct Proposal {
        address proposer;
        address[] codeSequence;
        uint256 creationBlock;
        uint256 accept;
        uint256 refuse;
        address triggeringRules;
        address[] canTerminateAddresses;
        address[] validatorsAddresses;
        bool validationPassed;
        uint256 terminationBlock;
        bytes votingTokens;
    }

    struct ProposalConfiguration {
        address[] collections;
        uint256[] objectIds;
        uint256[] weights;
        address creationRules;
        address triggeringRules;
        address[] canTerminateAddresses;
        address[] validatorsAddresses;
    }

    function batchCreate(ProposalCodes[] calldata codeSequences) external returns(bytes32[] memory createdProposalIds);

    function list(bytes32[] calldata proposalIds) external view returns(Proposal[] memory);

    function votes(bytes32[] calldata proposalIds, address[] calldata voters, bytes32[][] calldata items) external view returns(uint256[][] memory accepts, uint256[][] memory refuses, uint256[][] memory toWithdraw);
    function weight(bytes32 code) external view returns(uint256);

    function vote(address erc20TokenAddress, bytes memory permitSignature, bytes32 proposalId, uint256 accept, uint256 refuse, address voter, bool alsoTerminate) external payable;
    function batchVote(bytes[] calldata data) external payable;

    function withdrawAll(bytes32[] memory proposalIds, address voterOrReceiver, bool afterTermination) external;

    function terminate(bytes32[] calldata proposalIds) external;

    function configuration() external view returns(ProposalConfiguration memory);
    function setConfiguration(ProposalConfiguration calldata newValue) external returns(ProposalConfiguration memory oldValue);

    function lastProposalId() external view returns(bytes32);

    function lastVoteBlock(address voter) external view returns (uint256);

    event ProposalCreated(address indexed proposer, address indexed code, bytes32 indexed proposalId);
    event ProposalWeight(bytes32 indexed proposalId, address indexed collection, uint256 indexed id, bytes32 key, uint256 weight);
    event ProposalTerminated(bytes32 indexed proposalId, bool result, bytes errorData);

    event Accept(bytes32 indexed proposalId, address indexed voter, bytes32 indexed item, uint256 amount);
    event MoveToAccept(bytes32 indexed proposalId, address indexed voter, bytes32 indexed item, uint256 amount);
    event RetireAccept(bytes32 indexed proposalId, address indexed voter, bytes32 indexed item, uint256 amount);

    event Refuse(bytes32 indexed proposalId, address indexed voter, bytes32 indexed item, uint256 amount);
    event MoveToRefuse(bytes32 indexed proposalId, address indexed voter, bytes32 indexed item, uint256 amount);
    event RetireRefuse(bytes32 indexed proposalId, address indexed voter, bytes32 indexed item, uint256 amount);
}

interface IProposalChecker {
    function check(address proposalsManagerAddress, bytes32 id, bytes calldata data, address from, address voter) external view returns(bool);
}

interface IExternalProposalsManagerCommands {
    function createProposalCodeSequence(bytes32 proposalId, IProposalsManager.ProposalCode[] memory codeSequenceInput, address sender) external returns (address[] memory codeSequence, IProposalsManager.ProposalConfiguration memory localConfiguration);
    function proposalCanBeFinalized(bytes32 proposalId, IProposalsManager.Proposal memory proposal, bool validationPassed, bool result) external view returns (bool);
    function isVotable(bytes32 proposalId, IProposalsManager.Proposal memory proposal, address from, address voter, bool voteOrWithtraw) external view returns (bytes memory response);
}

//SPDX-License-Identifier: MIT
pragma solidity >=0.7.0;

import "../../generic/model/ILazyInitCapableElement.sol";

interface IDynamicMetadataCapableElement is ILazyInitCapableElement {

    function uri() external view returns(string memory);
    function plainUri() external view returns(string memory);

    function setUri(string calldata newValue) external returns (string memory oldValue);

    function dynamicUriResolver() external view returns(address);
    function setDynamicUriResolver(address newValue) external returns(address oldValue);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {
    /**
        @dev Handles the receipt of a single ERC1155 token type. This function is
        called at the end of a `safeTransferFrom` after the balance has been updated.
        To accept the transfer, this must return
        `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
        (i.e. 0xf23a6e61, or its own function selector).
        @param operator The address which initiated the transfer (i.e. msg.sender)
        @param from The address which previously owned the token
        @param id The ID of the token being transferred
        @param value The amount of tokens being transferred
        @param data Additional data with no specified format
        @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
    */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
        @dev Handles the receipt of a multiple ERC1155 token types. This function
        is called at the end of a `safeBatchTransferFrom` after the balances have
        been updated. To accept the transfer(s), this must return
        `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
        (i.e. 0xbc197c81, or its own function selector).
        @param operator The address which initiated the batch transfer (i.e. msg.sender)
        @param from The address which previously owned the token
        @param ids An array containing ids of each token being transferred (order and length must match values array)
        @param values An array containing amounts of each token being transferred (order and length must match ids array)
        @param data Additional data with no specified format
        @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
    */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.7.0;

import "@openzeppelin/contracts/utils/introspection/IERC165.sol";

interface ILazyInitCapableElement is IERC165 {

    function lazyInit(bytes calldata lazyInitData) external returns(bytes memory initResponse);
    function initializer() external view returns(address);

    event Host(address indexed from, address indexed to);

    function host() external view returns(address);
    function setHost(address newValue) external returns(address oldValue);

    function subjectIsAuthorizedFor(address subject, address location, bytes4 selector, bytes calldata payload, uint256 value) external view returns(bool);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.7.0;

/**
 * @title IERC1155Views - An optional utility interface to improve the ERC-1155 Standard.
 * @dev This interface introduces some additional capabilities for ERC-1155 Tokens.
 */
interface IERC1155Views {

    /**
     * @dev Returns the total supply of the given token id
     * @param itemId the id of the token whose availability you want to know 
     */
    function totalSupply(uint256 itemId) external view returns (uint256);

    /**
     * @dev Returns the name of the given token id
     * @param itemId the id of the token whose name you want to know 
     */
    function name(uint256 itemId) external view returns (string memory);

    /**
     * @dev Returns the symbol of the given token id
     * @param itemId the id of the token whose symbol you want to know 
     */
    function symbol(uint256 itemId) external view returns (string memory);

    /**
     * @dev Returns the decimals of the given token id
     * @param itemId the id of the token whose decimals you want to know 
     */
    function decimals(uint256 itemId) external view returns (uint256);

    /**
     * @dev Returns the uri of the given token id
     * @param itemId the id of the token whose uri you want to know 
     */
    function uri(uint256 itemId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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