{
  "address": "0xBe429dEdC1E15c546458caDbCE67A6fb24569ad1",
  "abi": [
    {
      "inputs": [],
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "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": true,
          "internalType": "address",
          "name": "addr",
          "type": "address"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "chainId",
          "type": "uint256"
        }
      ],
      "name": "TokenAdded",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "address",
          "name": "addr",
          "type": "address"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "chainId",
          "type": "uint256"
        }
      ],
      "name": "TokenRemoved",
      "type": "event"
    },
    {
      "inputs": [],
      "name": "MAX_SIZE",
      "outputs": [
        {
          "internalType": "uint8",
          "name": "",
          "type": "uint8"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "sourceAddr",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "targetChainId",
          "type": "uint256"
        }
      ],
      "name": "getLocal",
      "outputs": [
        {
          "components": [
            {
              "internalType": "address",
              "name": "addr",
              "type": "address"
            },
            {
              "internalType": "uint256",
              "name": "chainId",
              "type": "uint256"
            },
            {
              "internalType": "enum RToken.IssueType",
              "name": "issueType",
              "type": "uint8"
            },
            {
              "internalType": "bool",
              "name": "exist",
              "type": "bool"
            }
          ],
          "internalType": "struct RToken.Token",
          "name": "token",
          "type": "tuple"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "targetChainId",
          "type": "uint256"
        }
      ],
      "name": "isZero",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address[]",
          "name": "tokens",
          "type": "address[]"
        },
        {
          "internalType": "enum RToken.IssueType[]",
          "name": "issueTypes",
          "type": "uint8[]"
        },
        {
          "internalType": "uint256",
          "name": "targetChainId",
          "type": "uint256"
        }
      ],
      "name": "issue",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "owner",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "renounceOwnership",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "targetAddr",
          "type": "address"
        }
      ],
      "name": "revoke",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "bytes4",
          "name": "interfaceId",
          "type": "bytes4"
        }
      ],
      "name": "supportsInterface",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "transferOwnership",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ],
  "transactionHash": "0xf6183a07c4fe828ad3f29ce7ff9be4957a3eb6be27d2021e6e93f5e9dcae08ac",
  "receipt": {
    "to": null,
    "from": "0xbB5AD4F9b79Cf1D6585D1021C08ADf40E965f0BA",
    "contractAddress": "0xBe429dEdC1E15c546458caDbCE67A6fb24569ad1",
    "transactionIndex": 0,
    "gasUsed": "953946",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000800000000000000080000800000000000000000000000000000000000000000000000000000000000000000000000000000020100000000001000000000000000000000000000000000000020000000000000000000800000000000000000000000000000000400000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000",
    "blockHash": "0xec82b03ca2c1f66fea343d3618ee873df09a8f2a17d846b8ad179aed155568d3",
    "transactionHash": "0xf6183a07c4fe828ad3f29ce7ff9be4957a3eb6be27d2021e6e93f5e9dcae08ac",
    "logs": [
      {
        "transactionIndex": 0,
        "blockNumber": 1652738,
        "transactionHash": "0xf6183a07c4fe828ad3f29ce7ff9be4957a3eb6be27d2021e6e93f5e9dcae08ac",
        "address": "0xBe429dEdC1E15c546458caDbCE67A6fb24569ad1",
        "topics": [
          "0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0",
          "0x0000000000000000000000000000000000000000000000000000000000000000",
          "0x000000000000000000000000bb5ad4f9b79cf1d6585d1021c08adf40e965f0ba"
        ],
        "data": "0x",
        "logIndex": 0,
        "blockHash": "0xec82b03ca2c1f66fea343d3618ee873df09a8f2a17d846b8ad179aed155568d3"
      }
    ],
    "blockNumber": 1652738,
    "cumulativeGasUsed": "953946",
    "status": 1,
    "byzantium": true
  },
  "args": [],
  "solcInputHash": "8dda494b066e0ce03323feed232af508",
  "metadata": "{\"compiler\":{\"version\":\"0.8.4+commit.c7e474f2\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"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\":true,\"internalType\":\"address\",\"name\":\"addr\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"chainId\",\"type\":\"uint256\"}],\"name\":\"TokenAdded\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"addr\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"chainId\",\"type\":\"uint256\"}],\"name\":\"TokenRemoved\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"MAX_SIZE\",\"outputs\":[{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sourceAddr\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"targetChainId\",\"type\":\"uint256\"}],\"name\":\"getLocal\",\"outputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"addr\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"chainId\",\"type\":\"uint256\"},{\"internalType\":\"enum RToken.IssueType\",\"name\":\"issueType\",\"type\":\"uint8\"},{\"internalType\":\"bool\",\"name\":\"exist\",\"type\":\"bool\"}],\"internalType\":\"struct RToken.Token\",\"name\":\"token\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"targetChainId\",\"type\":\"uint256\"}],\"name\":\"isZero\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"tokens\",\"type\":\"address[]\"},{\"internalType\":\"enum RToken.IssueType[]\",\"name\":\"issueTypes\",\"type\":\"uint8[]\"},{\"internalType\":\"uint256\",\"name\":\"targetChainId\",\"type\":\"uint256\"}],\"name\":\"issue\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"targetAddr\",\"type\":\"address\"}],\"name\":\"revoke\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"getLocal(address,uint256)\":{\"details\":\"This should be responsible to get token mapping for current chain\",\"params\":{\"sourceAddr\":\"address of source token\",\"targetChainId\":\"of token on target\"}},\"issue(address[],uint8[],uint256)\":{\"details\":\"This should be responsible to connect tokens between chains\",\"params\":{\"issueTypes\":\"for tokens\",\"targetChainId\":\"of remote token\",\"tokens\":\"addresses on link connection\"}},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"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.\"},\"revoke(address)\":{\"details\":\"This should be responsible to remove tokens connection between chains\",\"params\":{\"targetAddr\":\"address of target token\"}},\"supportsInterface(bytes4)\":{\"details\":\"See {IERC165-supportsInterface}.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/managers/BridgeTokenManager.sol\":\"BridgeTokenManager\"},\"evmVersion\":\"berlin\",\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/Ownable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../utils/Context.sol\\\";\\n\\n/**\\n * @dev Contract module which provides a basic access control mechanism, where\\n * there is an account (an owner) that can be granted exclusive access to\\n * specific functions.\\n *\\n * By default, the owner account will be the one that deploys the contract. This\\n * can later be changed with {transferOwnership}.\\n *\\n * This module is used through inheritance. It will make available the modifier\\n * `onlyOwner`, which can be applied to your functions to restrict their use to\\n * the owner.\\n */\\nabstract contract Ownable is Context {\\n    address private _owner;\\n\\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\\n\\n    /**\\n     * @dev Initializes the contract setting the deployer as the initial owner.\\n     */\\n    constructor() {\\n        _setOwner(_msgSender());\\n    }\\n\\n    /**\\n     * @dev Returns the address of the current owner.\\n     */\\n    function owner() public view virtual returns (address) {\\n        return _owner;\\n    }\\n\\n    /**\\n     * @dev Throws if called by any account other than the owner.\\n     */\\n    modifier onlyOwner() {\\n        require(owner() == _msgSender(), \\\"Ownable: caller is not the owner\\\");\\n        _;\\n    }\\n\\n    /**\\n     * @dev Leaves the contract without owner. It will not be possible to call\\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\\n     *\\n     * NOTE: Renouncing ownership will leave the contract without an owner,\\n     * thereby removing any functionality that is only available to the owner.\\n     */\\n    function renounceOwnership() public virtual onlyOwner {\\n        _setOwner(address(0));\\n    }\\n\\n    /**\\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n     * Can only be called by the current owner.\\n     */\\n    function transferOwnership(address newOwner) public virtual onlyOwner {\\n        require(newOwner != address(0), \\\"Ownable: new owner is the zero address\\\");\\n        _setOwner(newOwner);\\n    }\\n\\n    function _setOwner(address newOwner) private {\\n        address oldOwner = _owner;\\n        _owner = newOwner;\\n        emit OwnershipTransferred(oldOwner, newOwner);\\n    }\\n}\\n\",\"keccak256\":\"0x6bb804a310218875e89d12c053e94a13a4607cdf7cc2052f3e52bd32a0dc50a1\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Interface of the ERC20 standard as defined in the EIP.\\n */\\ninterface IERC20 {\\n    /**\\n     * @dev Returns the amount of tokens in existence.\\n     */\\n    function totalSupply() external view returns (uint256);\\n\\n    /**\\n     * @dev Returns the amount of tokens owned by `account`.\\n     */\\n    function balanceOf(address account) external view returns (uint256);\\n\\n    /**\\n     * @dev Moves `amount` tokens from the caller's account to `recipient`.\\n     *\\n     * Returns a boolean value indicating whether the operation succeeded.\\n     *\\n     * Emits a {Transfer} event.\\n     */\\n    function transfer(address recipient, uint256 amount) external returns (bool);\\n\\n    /**\\n     * @dev Returns the remaining number of tokens that `spender` will be\\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\\n     * zero by default.\\n     *\\n     * This value changes when {approve} or {transferFrom} are called.\\n     */\\n    function allowance(address owner, address spender) external view returns (uint256);\\n\\n    /**\\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\\n     *\\n     * Returns a boolean value indicating whether the operation succeeded.\\n     *\\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\\n     * that someone may use both the old and the new allowance by unfortunate\\n     * transaction ordering. One possible solution to mitigate this race\\n     * condition is to first reduce the spender's allowance to 0 and set the\\n     * desired value afterwards:\\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\\n     *\\n     * Emits an {Approval} event.\\n     */\\n    function approve(address spender, uint256 amount) external returns (bool);\\n\\n    /**\\n     * @dev Moves `amount` tokens from `sender` to `recipient` using the\\n     * allowance mechanism. `amount` is then deducted from the caller's\\n     * allowance.\\n     *\\n     * Returns a boolean value indicating whether the operation succeeded.\\n     *\\n     * Emits a {Transfer} event.\\n     */\\n    function transferFrom(\\n        address sender,\\n        address recipient,\\n        uint256 amount\\n    ) external returns (bool);\\n\\n    /**\\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\\n     * another (`to`).\\n     *\\n     * Note that `value` may be zero.\\n     */\\n    event Transfer(address indexed from, address indexed to, uint256 value);\\n\\n    /**\\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\\n     * a call to {approve}. `value` is the new allowance.\\n     */\\n    event Approval(address indexed owner, address indexed spender, uint256 value);\\n}\\n\",\"keccak256\":\"0x027b891937d20ccf213fdb9c31531574256de774bda99d3a70ecef6e1913ed2a\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../IERC20.sol\\\";\\nimport \\\"../../../utils/Address.sol\\\";\\n\\n/**\\n * @title SafeERC20\\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\\n * contract returns false). Tokens that return no value (and instead revert or\\n * throw on failure) are also supported, non-reverting calls are assumed to be\\n * successful.\\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\\n */\\nlibrary SafeERC20 {\\n    using Address for address;\\n\\n    function safeTransfer(\\n        IERC20 token,\\n        address to,\\n        uint256 value\\n    ) internal {\\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\\n    }\\n\\n    function safeTransferFrom(\\n        IERC20 token,\\n        address from,\\n        address to,\\n        uint256 value\\n    ) internal {\\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\\n    }\\n\\n    /**\\n     * @dev Deprecated. This function has issues similar to the ones found in\\n     * {IERC20-approve}, and its usage is discouraged.\\n     *\\n     * Whenever possible, use {safeIncreaseAllowance} and\\n     * {safeDecreaseAllowance} instead.\\n     */\\n    function safeApprove(\\n        IERC20 token,\\n        address spender,\\n        uint256 value\\n    ) internal {\\n        // safeApprove should only be called when setting an initial allowance,\\n        // or when resetting it to zero. To increase and decrease it, use\\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\\n        require(\\n            (value == 0) || (token.allowance(address(this), spender) == 0),\\n            \\\"SafeERC20: approve from non-zero to non-zero allowance\\\"\\n        );\\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\\n    }\\n\\n    function safeIncreaseAllowance(\\n        IERC20 token,\\n        address spender,\\n        uint256 value\\n    ) internal {\\n        uint256 newAllowance = token.allowance(address(this), spender) + value;\\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n    }\\n\\n    function safeDecreaseAllowance(\\n        IERC20 token,\\n        address spender,\\n        uint256 value\\n    ) internal {\\n        unchecked {\\n            uint256 oldAllowance = token.allowance(address(this), spender);\\n            require(oldAllowance >= value, \\\"SafeERC20: decreased allowance below zero\\\");\\n            uint256 newAllowance = oldAllowance - value;\\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n        }\\n    }\\n\\n    /**\\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\\n     * @param token The token targeted by the call.\\n     * @param data The call data (encoded using abi.encode or one of its variants).\\n     */\\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\\n        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\\n        // the target address contains contract code and also asserts for success in the low-level call.\\n\\n        bytes memory returndata = address(token).functionCall(data, \\\"SafeERC20: low-level call failed\\\");\\n        if (returndata.length > 0) {\\n            // Return data is optional\\n            require(abi.decode(returndata, (bool)), \\\"SafeERC20: ERC20 operation did not succeed\\\");\\n        }\\n    }\\n}\\n\",\"keccak256\":\"0x02348b2e4b9f3200c7e3907c5c2661643a6d8520e9f79939fbb9b4005a54894d\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Address.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Collection of functions related to the address type\\n */\\nlibrary Address {\\n    /**\\n     * @dev Returns true if `account` is a contract.\\n     *\\n     * [IMPORTANT]\\n     * ====\\n     * It is unsafe to assume that an address for which this function returns\\n     * false is an externally-owned account (EOA) and not a contract.\\n     *\\n     * Among others, `isContract` will return false for the following\\n     * types of addresses:\\n     *\\n     *  - an externally-owned account\\n     *  - a contract in construction\\n     *  - an address where a contract will be created\\n     *  - an address where a contract lived, but was destroyed\\n     * ====\\n     */\\n    function isContract(address account) internal view returns (bool) {\\n        // This method relies on extcodesize, which returns 0 for contracts in\\n        // construction, since the code is only stored at the end of the\\n        // constructor execution.\\n\\n        uint256 size;\\n        assembly {\\n            size := extcodesize(account)\\n        }\\n        return size > 0;\\n    }\\n\\n    /**\\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\\n     * `recipient`, forwarding all available gas and reverting on errors.\\n     *\\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\\n     * imposed by `transfer`, making them unable to receive funds via\\n     * `transfer`. {sendValue} removes this limitation.\\n     *\\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\\n     *\\n     * IMPORTANT: because control is transferred to `recipient`, care must be\\n     * taken to not create reentrancy vulnerabilities. Consider using\\n     * {ReentrancyGuard} or the\\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\\n     */\\n    function sendValue(address payable recipient, uint256 amount) internal {\\n        require(address(this).balance >= amount, \\\"Address: insufficient balance\\\");\\n\\n        (bool success, ) = recipient.call{value: amount}(\\\"\\\");\\n        require(success, \\\"Address: unable to send value, recipient may have reverted\\\");\\n    }\\n\\n    /**\\n     * @dev Performs a Solidity function call using a low level `call`. A\\n     * plain `call` is an unsafe replacement for a function call: use this\\n     * function instead.\\n     *\\n     * If `target` reverts with a revert reason, it is bubbled up by this\\n     * function (like regular Solidity function calls).\\n     *\\n     * Returns the raw returned data. To convert to the expected return value,\\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\\n     *\\n     * Requirements:\\n     *\\n     * - `target` must be a contract.\\n     * - calling `target` with `data` must not revert.\\n     *\\n     * _Available since v3.1._\\n     */\\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\\n        return functionCall(target, data, \\\"Address: low-level call failed\\\");\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\\n     * `errorMessage` as a fallback revert reason when `target` reverts.\\n     *\\n     * _Available since v3.1._\\n     */\\n    function functionCall(\\n        address target,\\n        bytes memory data,\\n        string memory errorMessage\\n    ) internal returns (bytes memory) {\\n        return functionCallWithValue(target, data, 0, errorMessage);\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n     * but also transferring `value` wei to `target`.\\n     *\\n     * Requirements:\\n     *\\n     * - the calling contract must have an ETH balance of at least `value`.\\n     * - the called Solidity function must be `payable`.\\n     *\\n     * _Available since v3.1._\\n     */\\n    function functionCallWithValue(\\n        address target,\\n        bytes memory data,\\n        uint256 value\\n    ) internal returns (bytes memory) {\\n        return functionCallWithValue(target, data, value, \\\"Address: low-level call with value failed\\\");\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\\n     *\\n     * _Available since v3.1._\\n     */\\n    function functionCallWithValue(\\n        address target,\\n        bytes memory data,\\n        uint256 value,\\n        string memory errorMessage\\n    ) internal returns (bytes memory) {\\n        require(address(this).balance >= value, \\\"Address: insufficient balance for call\\\");\\n        require(isContract(target), \\\"Address: call to non-contract\\\");\\n\\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\\n        return verifyCallResult(success, returndata, errorMessage);\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n     * but performing a static call.\\n     *\\n     * _Available since v3.3._\\n     */\\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\\n        return functionStaticCall(target, data, \\\"Address: low-level static call failed\\\");\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n     * but performing a static call.\\n     *\\n     * _Available since v3.3._\\n     */\\n    function functionStaticCall(\\n        address target,\\n        bytes memory data,\\n        string memory errorMessage\\n    ) internal view returns (bytes memory) {\\n        require(isContract(target), \\\"Address: static call to non-contract\\\");\\n\\n        (bool success, bytes memory returndata) = target.staticcall(data);\\n        return verifyCallResult(success, returndata, errorMessage);\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n     * but performing a delegate call.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\\n        return functionDelegateCall(target, data, \\\"Address: low-level delegate call failed\\\");\\n    }\\n\\n    /**\\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n     * but performing a delegate call.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function functionDelegateCall(\\n        address target,\\n        bytes memory data,\\n        string memory errorMessage\\n    ) internal returns (bytes memory) {\\n        require(isContract(target), \\\"Address: delegate call to non-contract\\\");\\n\\n        (bool success, bytes memory returndata) = target.delegatecall(data);\\n        return verifyCallResult(success, returndata, errorMessage);\\n    }\\n\\n    /**\\n     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\\n     * revert reason using the provided one.\\n     *\\n     * _Available since v4.3._\\n     */\\n    function verifyCallResult(\\n        bool success,\\n        bytes memory returndata,\\n        string memory errorMessage\\n    ) internal pure returns (bytes memory) {\\n        if (success) {\\n            return returndata;\\n        } else {\\n            // Look for revert reason and bubble it up if present\\n            if (returndata.length > 0) {\\n                // The easiest way to bubble the revert reason is using memory via assembly\\n\\n                assembly {\\n                    let returndata_size := mload(returndata)\\n                    revert(add(32, returndata), returndata_size)\\n                }\\n            } else {\\n                revert(errorMessage);\\n            }\\n        }\\n    }\\n}\\n\",\"keccak256\":\"0x3336baae5cf23e94274d75336e2d412193be508504aee185e61dc7d58cd05c8a\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Context.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Provides information about the current execution context, including the\\n * sender of the transaction and its data. While these are generally available\\n * via msg.sender and msg.data, they should not be accessed in such a direct\\n * manner, since when dealing with meta-transactions the account sending and\\n * paying for execution may not be the actual sender (as far as an application\\n * is concerned).\\n *\\n * This contract is only required for intermediate, library-like contracts.\\n */\\nabstract contract Context {\\n    function _msgSender() internal view virtual returns (address) {\\n        return msg.sender;\\n    }\\n\\n    function _msgData() internal view virtual returns (bytes calldata) {\\n        return msg.data;\\n    }\\n}\\n\",\"keccak256\":\"0x90565a39ae45c80f0468dc96c7b20d0afc3055f344c8203a0c9258239f350b9f\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"./IERC165.sol\\\";\\n\\n/**\\n * @dev Implementation of the {IERC165} interface.\\n *\\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\\n * for the additional interface id that will be supported. For example:\\n *\\n * ```solidity\\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\\n * }\\n * ```\\n *\\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\\n */\\nabstract contract ERC165 is IERC165 {\\n    /**\\n     * @dev See {IERC165-supportsInterface}.\\n     */\\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\\n        return interfaceId == type(IERC165).interfaceId;\\n    }\\n}\\n\",\"keccak256\":\"0x5718c5df9bd67ac68a796961df938821bb5dc0cd4c6118d77e9145afb187409b\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Interface of the ERC165 standard, as defined in the\\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\\n *\\n * Implementers can declare support of contract interfaces, which can then be\\n * queried by others ({ERC165Checker}).\\n *\\n * For an implementation, see {ERC165}.\\n */\\ninterface IERC165 {\\n    /**\\n     * @dev Returns true if this contract implements the interface defined by\\n     * `interfaceId`. See the corresponding\\n     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\\n     * to learn more about how these ids are created.\\n     *\\n     * This function call must use less than 30 000 gas.\\n     */\\n    function supportsInterface(bytes4 interfaceId) external view returns (bool);\\n}\\n\",\"keccak256\":\"0xa28007762d9da9db878dd421960c8cb9a10471f47ab5c1b3309bfe48e9e79ff4\",\"license\":\"MIT\"},\"contracts/interfaces/IBridgeToken.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.4;\\n\\ninterface IBridgeToken {\\n    function burn(address from, uint256 amount) external;\\n\\n    function mint(address to, uint256 amount) external;\\n\\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\\n}\\n\",\"keccak256\":\"0x5da30954f099315154d694061fef990ffd9e5df7c9b356765c2ce99b798b4783\",\"license\":\"MIT\"},\"contracts/interfaces/IBridgeTokenManager.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.4;\\n\\nimport \\\"../library/RToken.sol\\\";\\n\\ninterface IBridgeTokenManager {\\n    event TokenAdded(address indexed addr, uint256 chainId);\\n    event TokenRemoved(address indexed addr, uint256 chainId);\\n\\n    function issue(\\n        address[] calldata tokens,\\n        RToken.IssueType[] calldata issueTypes,\\n        uint256 targetChainId\\n    ) external;\\n\\n    function revoke(address targetAddr) external;\\n\\n    function getLocal(address sourceAddr, uint256 targetChainId)\\n        external\\n        view\\n        returns (RToken.Token memory token);\\n\\n    function isZero(uint256 targetChainId) external view returns (bool);\\n}\\n\",\"keccak256\":\"0x36bfbca4f6ba1f8e8fc0f2effa6a1d43d22a83bda9c189d109ae72f67f9b4fd6\",\"license\":\"MIT\"},\"contracts/library/RToken.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.4;\\n\\nimport \\\"@openzeppelin/contracts/utils/Context.sol\\\";\\nimport \\\"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\\\";\\nimport \\\"../interfaces/IBridgeToken.sol\\\";\\n\\nlibrary RToken {\\n    using SafeERC20 for IERC20;\\n\\n    enum IssueType {\\n        DEFAULT,\\n        MINTABLE\\n    }\\n\\n    struct Token {\\n        address addr;\\n        uint256 chainId;\\n        IssueType issueType;\\n        bool exist;\\n    }\\n\\n    function unsafeTransfer(\\n        address from,\\n        address to,\\n        uint256 amount\\n    ) internal {\\n        require(from.balance >= amount, \\\"RT: INSUFFICIENT_BALANCE\\\");\\n\\n        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value\\n        (bool success, ) = to.call{value: amount}(\\\"\\\");\\n        require(success, \\\"RT: SEND_REVERT\\\");\\n    }\\n\\n    function enter(\\n        Token memory token,\\n        address from,\\n        address to,\\n        uint256 amount\\n    ) internal returns (Token memory) {\\n        require(token.exist, \\\"RT: NOT_LISTED\\\");\\n        if (token.issueType == IssueType.MINTABLE) {\\n            IBridgeToken(token.addr).burn(from, amount);\\n        } else if (token.issueType == IssueType.DEFAULT) {\\n            IERC20(token.addr).safeTransferFrom(from, to, amount);\\n        } else {\\n            assert(false);\\n        }\\n        return token;\\n    }\\n\\n    function exit(\\n        Token memory token,\\n        address from,\\n        address to,\\n        uint256 amount\\n    ) internal returns (Token memory) {\\n        require(token.exist, \\\"RT: NOT_LISTED\\\");\\n        if (token.addr == address(0)) {\\n            unsafeTransfer(from, to, amount);\\n        } else if (token.issueType == IssueType.MINTABLE) {\\n            IBridgeToken(token.addr).mint(to, amount);\\n        } else if (token.issueType == IssueType.DEFAULT) {\\n            IERC20(token.addr).safeTransfer(to, amount);\\n        } else {\\n            assert(false);\\n        }\\n        return token;\\n    }\\n}\\n\",\"keccak256\":\"0x90ddd994ec4c16499929a0fb2f68543cdba5aabe8ad11235dd944697939f1d72\",\"license\":\"MIT\"},\"contracts/managers/BridgeTokenManager.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.4;\\n\\nimport \\\"@openzeppelin/contracts/utils/introspection/ERC165.sol\\\";\\nimport \\\"@openzeppelin/contracts/access/Ownable.sol\\\";\\n\\nimport \\\"../interfaces/IBridgeTokenManager.sol\\\";\\nimport \\\"../library/RToken.sol\\\";\\n\\ncontract BridgeTokenManager is ERC165, Ownable, IBridgeTokenManager {\\n    uint8 public constant MAX_SIZE = 2;\\n    bytes32 private immutable _salt;\\n    uint256 private immutable _chainId;\\n\\n    mapping(bytes32 => bytes32) private _keychain;\\n    mapping(bytes32 => RToken.Token) private _tokens;\\n\\n    constructor() {\\n        _salt = keccak256(\\n            abi.encodePacked(\\n                blockhash(block.number - 1),\\n                block.timestamp,\\n                block.difficulty,\\n                block.coinbase\\n            )\\n        );\\n        uint256 chainId_;\\n        assembly {\\n            chainId_ := chainid()\\n        }\\n        _chainId = chainId_;\\n    }\\n\\n    function supportsInterface(bytes4 interfaceId)\\n        public\\n        view\\n        virtual\\n        override\\n        returns (bool)\\n    {\\n        return\\n            interfaceId == type(IBridgeTokenManager).interfaceId ||\\n            super.supportsInterface(interfaceId);\\n    }\\n\\n    /**\\n     * @dev This should be responsible to get token mapping for current chain\\n     * @param sourceAddr address of source token\\n     * @param targetChainId of token on target\\n     */\\n    function getLocal(address sourceAddr, uint256 targetChainId)\\n        public\\n        view\\n        override\\n        returns (RToken.Token memory token)\\n    {\\n        bytes32 tokenKey = _keychain[createKey(sourceAddr, targetChainId)];\\n        if (tokenKey == 0) {\\n            return token;\\n        }\\n        bytes32 sourceKey;\\n        if (_chainId != targetChainId) {\\n            sourceKey = tokenKey;\\n        } else {\\n            sourceKey = _keychain[tokenKey];\\n        }\\n        token = _tokens[sourceKey];\\n    }\\n\\n    function isZero(uint256 targetChainId) public view override returns (bool) {\\n        RToken.Token memory token = getLocal(address(0), targetChainId);\\n        if (!token.exist) {\\n            return false;\\n        }\\n        if (token.addr == address(0)) {\\n            return true;\\n        }\\n        return false;\\n    }\\n\\n    /**\\n     * @dev This should be responsible to remove tokens connection between chains\\n     * @param targetAddr address of target token\\n     */\\n    function revoke(address targetAddr) external override onlyOwner {\\n        bytes32 sourceKey = _keychain[createKey(targetAddr, _chainId)];\\n        require(sourceKey != 0, \\\"BTM: NOT_EXIST\\\");\\n\\n        bytes32 targetKey = _keychain[sourceKey];\\n        require(targetKey != 0, \\\"BTM: NOT_EXIST\\\");\\n\\n        delete _keychain[sourceKey];\\n        delete _keychain[targetKey];\\n\\n        RToken.Token memory sourceToken = _tokens[sourceKey];\\n        RToken.Token memory targetToken = _tokens[targetKey];\\n\\n        delete _tokens[sourceKey];\\n        delete _tokens[targetKey];\\n\\n        emit TokenRemoved(sourceToken.addr, sourceToken.chainId);\\n        emit TokenRemoved(targetToken.addr, targetToken.chainId);\\n    }\\n\\n    /**\\n     * @dev This should be responsible to connect tokens between chains\\n     * @param tokens addresses on link connection\\n     * @param issueTypes for tokens\\n     * @param targetChainId of remote token\\n     */\\n    function issue(\\n        address[] calldata tokens,\\n        RToken.IssueType[] calldata issueTypes,\\n        uint256 targetChainId\\n    ) external override onlyOwner {\\n        require(tokens.length == issueTypes.length, \\\"BTM: WRONG_LENGTH\\\");\\n        require(tokens.length == MAX_SIZE, \\\"BTM: MAX_SIZE\\\");\\n\\n        require(targetChainId != _chainId, \\\"BTM: SAME_CHAIN\\\");\\n\\n        bytes32 sourceKey = createKey(tokens[1], _chainId);\\n        require(_keychain[sourceKey] == 0, \\\"BTM: SOURCE_EXIST\\\");\\n\\n        bytes32 targetKey = createKey(tokens[0], targetChainId);\\n        require(_keychain[targetKey] == 0, \\\"BTM: TARGET_EXIST\\\");\\n\\n        // linking\\n        _keychain[sourceKey] = targetKey;\\n        _keychain[targetKey] = sourceKey;\\n\\n        RToken.Token memory sourceToken = RToken.Token(\\n            tokens[0],\\n            _chainId,\\n            issueTypes[0],\\n            true\\n        );\\n        RToken.Token memory targetToken = RToken.Token(\\n            tokens[1],\\n            targetChainId,\\n            issueTypes[1],\\n            true\\n        );\\n\\n        _tokens[sourceKey] = sourceToken;\\n        _tokens[targetKey] = targetToken;\\n\\n        emit TokenAdded(sourceToken.addr, sourceToken.chainId);\\n        emit TokenAdded(targetToken.addr, targetToken.chainId);\\n    }\\n\\n    function createKey(address sourceAddr, uint256 targetChainId)\\n        private\\n        view\\n        returns (bytes32)\\n    {\\n        return keccak256(abi.encodePacked(_salt, sourceAddr, targetChainId));\\n    }\\n}\\n\",\"keccak256\":\"0x718a2777c9fdbddf7201b1d782867d2000d286036a6d9b350851888df5299cf8\",\"license\":\"MIT\"}},\"version\":1}",
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  "devdoc": {
    "kind": "dev",
    "methods": {
      "getLocal(address,uint256)": {
        "details": "This should be responsible to get token mapping for current chain",
        "params": {
          "sourceAddr": "address of source token",
          "targetChainId": "of token on target"
        }
      },
      "issue(address[],uint8[],uint256)": {
        "details": "This should be responsible to connect tokens between chains",
        "params": {
          "issueTypes": "for tokens",
          "targetChainId": "of remote token",
          "tokens": "addresses on link connection"
        }
      },
      "owner()": {
        "details": "Returns the address of the current owner."
      },
      "renounceOwnership()": {
        "details": "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."
      },
      "revoke(address)": {
        "details": "This should be responsible to remove tokens connection between chains",
        "params": {
          "targetAddr": "address of target token"
        }
      },
      "supportsInterface(bytes4)": {
        "details": "See {IERC165-supportsInterface}."
      },
      "transferOwnership(address)": {
        "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner."
      }
    },
    "version": 1
  },
  "userdoc": {
    "kind": "user",
    "methods": {},
    "version": 1
  },
  "storageLayout": {
    "storage": [
      {
        "astId": 1069,
        "contract": "contracts/managers/BridgeTokenManager.sol:BridgeTokenManager",
        "label": "_owner",
        "offset": 0,
        "slot": "0",
        "type": "t_address"
      },
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        "astId": 4718,
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