Contract 0x53076f97014fda36d2deac5d33cff0c7cd90d10d

Contract Overview

Balance:
0 AVAX
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Block
From
To
Value [Txn Fee]
0x3cfc6771a264110d935297abfc999d2d1649e834463c77b234123a659f3a8764Bulk Register Sy...76552132022-03-23 1:49:07186 days 1 hr ago0x8490a52e855dd017b96eee951a23d1adbd50e40a IN 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX0.0332066525
0xa207660ef3ad64a330996aa18bfdda39fd0285d66d9f5e51546d63598fd4289aBulk Register Sy...76552072022-03-23 1:48:54186 days 1 hr ago0x8490a52e855dd017b96eee951a23d1adbd50e40a IN 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX0.16198227525
0x97d0ddb4dd5d79e77cbda7c4446f8efbc22597f704a0b08a713717ea1e08e805Bulk Register Sy...76552032022-03-23 1:48:46186 days 1 hr ago0x8490a52e855dd017b96eee951a23d1adbd50e40a IN 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX0.16197807525
0x987b74d0dad26494016f74e0f47f356202b6e3b3fe2c6ed5d5372230c65d689fBulk Register Sy...76551982022-03-23 1:48:36186 days 1 hr ago0x8490a52e855dd017b96eee951a23d1adbd50e40a IN 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX0.16194047525
0xa369c1a46aaef877f9861778d143037594ffe82c957da2d19f920a0c8cfed459Bulk Register Sy...76551922022-03-23 1:48:24186 days 1 hr ago0x8490a52e855dd017b96eee951a23d1adbd50e40a IN 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX0.16236797525
0x5959340650b533e4f0bdc90d7849bd5d534779f1921284631f4733548b1cf7a70x6080604076551452022-03-23 1:46:50186 days 1 hr ago0x8490a52e855dd017b96eee951a23d1adbd50e40a IN  Contract Creation0 AVAX0.07104412525
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0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0xf2275b9faa766e0dde5f977c54f79db57e33fba80x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0xf2275b9faa766e0dde5f977c54f79db57e33fba80x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x6b6e63b76b0a1a1289f27721adc5fa6b28f3e99b0 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d 0xda5db312fd8b36cb4a0838863ec60f57d3dc72040 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0xf2275b9faa766e0dde5f977c54f79db57e33fba80x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x6b6e63b76b0a1a1289f27721adc5fa6b28f3e99b0 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d 0x43f85438b7ad470e48ff7774be14ea6c064674210 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0xf2275b9faa766e0dde5f977c54f79db57e33fba80x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x6b6e63b76b0a1a1289f27721adc5fa6b28f3e99b0 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d 0x89d97bf3ee1dfe712ac99bb4a12c2b96b74915f30 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0xf2275b9faa766e0dde5f977c54f79db57e33fba80x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d 0xcedf1f39aaa53fd007e8066194de48ef023105540 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0xf2275b9faa766e0dde5f977c54f79db57e33fba80x53076f97014fda36d2deac5d33cff0c7cd90d10d0 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d 0x1ad2f0ced741c19fd3f986e83ec4f15e8a5fbe070 AVAX
0xf19886b32392ad13624e0073fdc4ddbb00cacbab5602b37fd42ab1a91b427c63129245012022-08-27 23:02:1428 days 3 hrs ago 0x53076f97014fda36d2deac5d33cff0c7cd90d10d0x446f7b41aa065b3a0983f4bbb1eaf815fa036f740 AVAX
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x15f683DE31e83844a1F862998eD19dcC96e2aFa2

Contract Name:
ArableManager

Compiler Version
v0.8.2+commit.661d1103

Optimization Enabled:
Yes with 800 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 16 : ArableManager.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

import "./ArableSynth.sol";
import "./interfaces/IArableAddressRegistry.sol";
import "./interfaces/IArableFeeCollector.sol";
import "./interfaces/IArableCollateral.sol";
import "./libs/ArableFees.sol";

// Synths registration contract
contract ArableManager is Ownable, ReentrancyGuard {
    // manage synths deployed so far
    address[] public synths;
    mapping(bytes32 => address) public synthIds;
    mapping(address => bool) public isSynthDisabled;
    mapping(address => bool) public isSynth;

    address public addressRegistry;

    event RegisterSynth(address synthAddress, string tokenName, string tokenSymbol);
    event FeeModelUpdated(address asset, ArableFees.Model model, uint256 fees);

    constructor(address addressRegistry_) {
        addressRegistry = addressRegistry_;
    }

    function registerSynth(
        string memory tokenName,
        string memory tokenSymbol) public onlyOwner {
        // Note: farming and exchange contracts should be set before synths register
        address farming = IArableAddressRegistry(addressRegistry).getArableFarming();
        address exchange = IArableAddressRegistry(addressRegistry).getArableExchange();
        address collateral = IArableAddressRegistry(addressRegistry).getArableCollateral();

        require(synthIds[keccak256(abi.encodePacked(tokenSymbol))] == address(0), "synth is already registered");

        ArableSynth synth = 
            new ArableSynth(tokenName, tokenSymbol, owner(), farming, exchange, collateral);
        synths.push(address(synth));
        isSynth[address(synth)] = true;

        //addition of synth ids, this is needed to call contract addresses
        //from collateral & liquidation
        synthIds[keccak256(abi.encodePacked(tokenSymbol))] = address(synth);

        emit RegisterSynth(address(synth), tokenName, tokenSymbol);
    }

    function bulkRegisterSynths(
        string[] calldata tokenNames_, string[] calldata tokenSymbols_) external onlyOwner {
        require(tokenNames_.length == tokenSymbols_.length, "Please check you input data.");
        for(uint256 i=0; i < tokenNames_.length; i++) {
            registerSynth(tokenNames_[i], tokenSymbols_[i]);
        }
    }

    // function used to set the synths disabled status    
    function setIsSynthDisabled(address synthAddress, bool isDisabled) external onlyOwner {
        isSynthDisabled[synthAddress] = isDisabled;

        // Note: disabled synths are not eligible for swap
    }

    // TODO: this function is assuming that no more than 500 synths are registered
    function listSynths() external view  returns (address[] memory) {
        return synths;
    }
    
    // TODO: this function is assuming that no more than 500 synths are registered
    // TODO: this kind of enabled list filter is efficient?
    function listEnabledSynths() external view  returns (address[] memory) {
        uint256 enabledSynthsLength = 0;
        for (uint256 i = 0; i < synths.length; i ++) {
            if (isSynthDisabled[synths[i]] == false) {
                enabledSynthsLength ++;
            }
        }

        address[] memory enabledSynths = new address[](enabledSynthsLength);
        uint256 j = 0;
        for (uint256 i = 0; i < synths.length; i ++) {
            if (isSynthDisabled[synths[i]] == false) {
                enabledSynths[j] = synths[i];
                j ++;
            }
        }
        return enabledSynths;
    }

    function getSynthAddress(string memory tokenSymbol) public view returns (address) {
        return synthIds[keccak256(abi.encodePacked(tokenSymbol))];
    }
    
    /**
     * @dev Set the fee model for an asset
     * @param asset_ address of the asset
     * @param fees_ fees in base 3
     * @param model_ The model used
     */
    function setFeesModelFor(
        address asset_,
        uint256 fees_,
        ArableFees.Model model_
    ) external onlyOwner {
        address feeCollectorAddress = IArableAddressRegistry(addressRegistry).getArableFeeCollector();
        IArableFeeCollector(feeCollectorAddress).setAssetFeeModel(asset_, fees_, model_);
        
        emit FeeModelUpdated(asset_, ArableFees.Model(model_), fees_);
    }

    // calculate totalDebt for asset price change
    function onAssetPriceChange(address asset_, uint256 oldPrice, uint256 newPrice) external nonReentrant {
        IArableAddressRegistry _addressRegistry = IArableAddressRegistry(addressRegistry);
        require(msg.sender == _addressRegistry.getArableOracle(), "should be called by oracle contract");

        if (!isSynth[asset_]) {
            return;
        }

        IArableCollateral collateral = IArableCollateral(_addressRegistry.getArableCollateral());
        uint256 totalSupply = IERC20(asset_).totalSupply();
        if (oldPrice < newPrice) {
            collateral.addToDebt(totalSupply * (newPrice - oldPrice) / 1 ether);
        } else if (oldPrice > newPrice) {
            collateral.removeFromDebt(totalSupply * (oldPrice - newPrice) / 1 ether);
        }
    }
}

File 2 of 16 : ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin guidelines: functions revert instead
 * of returning `false` on failure. This behavior is nonetheless conventional
 * and does not conflict with the expectations of ERC20 applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

File 3 of 16 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _setOwner(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 4 of 16 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 5 of 16 : ArableSynth.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

// Generalized ERC20 token contract for synths
// Tokens are mintable by staking or exchange contract
contract ArableSynth is ERC20, AccessControl, ReentrancyGuard {
    // Define roles
    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");

    constructor(
        string memory name_,
        string memory symbol_,
        address owner, address farming_, address exchange_, address collateral_) ERC20(name_, symbol_) {

        // grant permission on owner to add more admins
        _setupRole(DEFAULT_ADMIN_ROLE, owner);

        // provide minter role for staking and exchange contract
        _setupRole(MINTER_ROLE, farming_);
        _setupRole(MINTER_ROLE, exchange_);
        _setupRole(MINTER_ROLE, collateral_);

        // Note: decimals is set to 18 as default
        // TODO: probably later time, just keep address of manager contract and get the addresses from there since it
        // could be changed?
    }

    function mint(address toAddress, uint256 amount) public onlyRole(MINTER_ROLE) {
        _mint(toAddress, amount);
    }

    function burn(uint256 amount) public {
        _burn(msg.sender, amount);
    }
    
    function burnFrom(address account, uint256 amount) public {
        uint256 currentAllowance = allowance(account, _msgSender());
        require(currentAllowance >= amount, "ERC20: burn amount exceeds allowance");
        unchecked {
            _approve(account, _msgSender(), currentAllowance - amount);
        }
        _burn(account, amount);
    }
}

File 6 of 16 : IArableAddressRegistry.sol
// SPDX-License-Identifier: GNU-GPL v3.0 or later

pragma solidity ^0.8.0;

/**
 * @title Provider interface for Arable
 * @dev
 */
interface IArableAddressRegistry {
    function initialize(
        address arableOracle_,
        address arableFarming_,
        address arableExchange_,
        address arableManager_,
        address arableCollateral_,
        address arableLiquidation_,
        address arableFeeCollector_
    ) external;

    function getAddress(bytes32 id) external view returns (address);

    function setAddress(bytes32 id, address address_) external;

    function getArableOracle() external view returns (address);

    function setArableOracle(address arableOracle_) external;

    function getArableExchange() external view returns (address);

    function setArableExchange(address arableExchange_) external;

    function getArableManager() external view returns (address);

    function setArableManager(address arableManager_) external;

    function getArableFarming() external view returns (address);

    function setArableFarming(address arableFarming_) external;
    
    function getArableCollateral() external view returns (address);

    function setArableCollateral(address arableCollateral_) external;

    function getArableLiquidation() external view returns (address);

    function setArableLiquidation(address arableLiquidation_) external;
    
    function getArableFeeCollector() external view returns (address);

    function setArableFeeCollector(address arableFeeCollector_) external;
}

File 7 of 16 : IArableFeeCollector.sol
// interfaces/IArableFeeCollector.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../libs/ArableFees.sol"; 

interface IArableFeeCollector {
    function calculateFees(
        address asset_,
        uint256 amount_,
        address account_,
        ArableFees.Model model_
    ) external view returns (uint256 fees);

    function setAssetFeeModel(
        address asset_,
        uint256 fees_,
        ArableFees.Model model_
    ) external;

    function payFeesFor(
        address asset_,
        uint256 amount_,
        address account_,
        ArableFees.Model model_
    ) external returns (uint256[] memory collectorReceipt);
}

File 8 of 16 : IArableCollateral.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IArableCollateral {
    function addToDebt(uint amount) external returns (bool);
    function removeFromDebt(uint256 amount) external returns (bool);
    function getTotalDebt() external returns (uint);
    function addSupportedCollateral(address token, uint allowedRate) external returns (bool);
    function removeSupportedCollateral(address token) external returns (bool);
    function changeAllowedRate(address token, uint newAllowedRate) external returns (bool);
    function maxIssuableArUSD(address user) external view returns (uint);
    function currentDebt(address user) external view returns (uint);
    function calculateCollateralValue(address user) external view returns (uint);
    function _liquidateCollateral(address user, address beneficiary, uint liquidationAmount) external;
}

File 9 of 16 : ArableFees.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

library ArableFees {
    enum Model {
        DEFAULT,           // default fees if asset is unknow (0)
        SETUP_FARM,        // new farm fees
        EXIT_FARM,         // exit farm fees
        REWARD,            // reward fees
        SYNTHS_X,          // synthetic asset excahnge fees
        SYNTHS_MINT,       // synthetic asset mint fees
        SYNTHS_BURN,       // synthetic asset burn fees
        LIQUIDATE,         // liquidation fees
        MAX                // maximumn value (8)
    }
}

File 10 of 16 : IERC20.sol
// 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);
}

File 11 of 16 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 12 of 16 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 13 of 16 : AccessControl.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    function hasRole(bytes32 role, address account) external view returns (bool);

    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    function grantRole(bytes32 role, address account) external;

    function revokeRole(bytes32 role, address account) external;

    function renounceRole(bytes32 role, address account) external;
}

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{20}) is missing role (0x[0-9a-f]{32})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role, _msgSender());
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{20}) is missing role (0x[0-9a-f]{32})$/
     */
    function _checkRole(bytes32 role, address account) internal view {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(uint160(account), 20),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        emit RoleAdminChanged(role, getRoleAdmin(role), adminRole);
        _roles[role].adminRole = adminRole;
    }

    function _grantRole(bytes32 role, address account) private {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    function _revokeRole(bytes32 role, address account) private {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

File 14 of 16 : Strings.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

File 15 of 16 : ERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

File 16 of 16 : IERC165.sol
// 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);
}

Settings
{
  "metadata": {
    "bytecodeHash": "none"
  },
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"addressRegistry_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"asset","type":"address"},{"indexed":false,"internalType":"enum ArableFees.Model","name":"model","type":"uint8"},{"indexed":false,"internalType":"uint256","name":"fees","type":"uint256"}],"name":"FeeModelUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"synthAddress","type":"address"},{"indexed":false,"internalType":"string","name":"tokenName","type":"string"},{"indexed":false,"internalType":"string","name":"tokenSymbol","type":"string"}],"name":"RegisterSynth","type":"event"},{"inputs":[],"name":"addressRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string[]","name":"tokenNames_","type":"string[]"},{"internalType":"string[]","name":"tokenSymbols_","type":"string[]"}],"name":"bulkRegisterSynths","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"tokenSymbol","type":"string"}],"name":"getSynthAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isSynth","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isSynthDisabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"listEnabledSynths","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"listSynths","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset_","type":"address"},{"internalType":"uint256","name":"oldPrice","type":"uint256"},{"internalType":"uint256","name":"newPrice","type":"uint256"}],"name":"onAssetPriceChange","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"tokenName","type":"string"},{"internalType":"string","name":"tokenSymbol","type":"string"}],"name":"registerSynth","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset_","type":"address"},{"internalType":"uint256","name":"fees_","type":"uint256"},{"internalType":"enum ArableFees.Model","name":"model_","type":"uint8"}],"name":"setFeesModelFor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"synthAddress","type":"address"},{"internalType":"bool","name":"isDisabled","type":"bool"}],"name":"setIsSynthDisabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"synthIds","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"synths","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
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