Contract Overview
Balance:
0 FTM
FTM Value:
$0.00
My Name Tag:
Not Available, login to update
Txn Hash | Method |
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0xdb6256110d7ec65f16952ec9d7d167c807a108bd6acfead556f5c8d9780e9478 | Transfer Ownersh... | 11868590 | 567 days 5 mins ago | Ren: Deployer | IN | 0x21c482f153d0317fe85c60be1f7fa079019fcebd | 0 FTM | 0.0045262 |
0xf08dc4e6dba317124cb9c1f0a601a508a825adea0540b6b09f9a68cbe41f11aa | Set Gateway | 7503668 | 615 days 14 hrs ago | Ren: Deployer | IN | 0x21c482f153d0317fe85c60be1f7fa079019fcebd | 0 FTM | 0.12618585 |
0x9faeae485be617485381d947394f9bf728907e5f680a3dc9daa4f15540e2c76c | Set Gateway | 7503347 | 615 days 14 hrs ago | Ren: Deployer | IN | 0x21c482f153d0317fe85c60be1f7fa079019fcebd | 0 FTM | 0.126189 |
0x3ed83664ecec08510ecf0c9eed31e089ffb5592572ee8021e0a595802305e5dc | Set Gateway | 7503071 | 615 days 14 hrs ago | Ren: Deployer | IN | 0x21c482f153d0317fe85c60be1f7fa079019fcebd | 0 FTM | 0.1261596 |
0x547700b5b19ba8214dcd3f749d3af2fd8caf3b07ff5223e07ddac13925157992 | Set Gateway | 7502808 | 615 days 14 hrs ago | Ren: Deployer | IN | 0x21c482f153d0317fe85c60be1f7fa079019fcebd | 0 FTM | 0.1261596 |
0x1167ad15101ca47ecc119c9d17b038fb5a787d3cc5a6be7d017206fe8ea84b59 | Set Gateway | 7502530 | 615 days 14 hrs ago | Ren: Deployer | IN | 0x21c482f153d0317fe85c60be1f7fa079019fcebd | 0 FTM | 0.1261596 |
0x15999969ed65bea9e82d3c6a42ad32cb157d36a27e3e0483a6094373b6e0da2a | Set Gateway | 7502226 | 615 days 14 hrs ago | Ren: Deployer | IN | 0x21c482f153d0317fe85c60be1f7fa079019fcebd | 0 FTM | 0.1261596 |
0x3aac577ad64a560a1507330b608dfce089ecd29fe445b9414a0d338a6ba08527 | Set Gateway | 7501956 | 615 days 14 hrs ago | Ren: Deployer | IN | 0x21c482f153d0317fe85c60be1f7fa079019fcebd | 0 FTM | 0.13224165 |
0xab396014f6601298dea46d483a96236a5f8c20da2c3f3d648061655f070c7a72 | 0x60806040 | 7496306 | 615 days 15 hrs ago | Ren: Deployer | IN | Create: GatewayRegistry | 0 FTM | 0.3380685 |
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Latest 1 internal transaction
Parent Txn Hash | Block | From | To | Value | |||
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0xab396014f6601298dea46d483a96236a5f8c20da2c3f3d648061655f070c7a72 | 7496306 | 615 days 15 hrs ago | Ren: Deployer | Contract Creation | 0 FTM |
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Contract Name:
GatewayRegistry
Compiler Version
v0.5.17+commit.d19bba13
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at FtmScan.com on 2021-08-28 */ /** Deployed by Ren Project, https://renproject.io Commit hash: 05c0aaf Repository: https://github.com/renproject/gateway-sol Issues: https://github.com/renproject/gateway-sol/issues Licenses @openzeppelin/contracts: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/LICENSE gateway-sol: https://github.com/renproject/gateway-sol/blob/master/LICENSE */ pragma solidity ^0.5.17; contract Initializable { bool private initialized; bool private initializing; modifier initializer() { require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized"); bool isTopLevelCall = !initializing; if (isTopLevelCall) { initializing = true; initialized = true; } _; if (isTopLevelCall) { initializing = false; } } function isConstructor() private view returns (bool) { address self = address(this); uint256 cs; assembly { cs := extcodesize(self) } return cs == 0; } uint256[50] private ______gap; } contract Context is Initializable { constructor () internal { } function _msgSender() internal view returns (address payable) { return msg.sender; } function _msgData() internal view returns (bytes memory) { this; return msg.data; } } contract Ownable is Initializable, Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); function initialize(address sender) public initializer { _owner = sender; emit OwnershipTransferred(address(0), _owner); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(isOwner(), "Ownable: caller is not the owner"); _; } function isOwner() public view returns (bool) { return _msgSender() == _owner; } function renounceOwnership() public onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public onlyOwner { _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } uint256[50] private ______gap; } contract Claimable is Initializable, Ownable { address public pendingOwner; function initialize(address _nextOwner) public initializer { Ownable.initialize(_nextOwner); } modifier onlyPendingOwner() { require( _msgSender() == pendingOwner, "Claimable: caller is not the pending owner" ); _; } function transferOwnership(address newOwner) public onlyOwner { require( newOwner != owner() && newOwner != pendingOwner, "Claimable: invalid new owner" ); pendingOwner = newOwner; } function _directTransferOwnership(address newOwner) public onlyOwner { _transferOwnership(newOwner); } function claimOwnership() public onlyPendingOwner { _transferOwnership(pendingOwner); delete pendingOwner; } } contract Proxy { function () payable external { _fallback(); } function _implementation() internal view returns (address); function _delegate(address implementation) internal { assembly { calldatacopy(0, 0, calldatasize) let result := delegatecall(gas, implementation, 0, calldatasize, 0, 0) returndatacopy(0, 0, returndatasize) switch result case 0 { revert(0, returndatasize) } default { return(0, returndatasize) } } } function _willFallback() internal { } function _fallback() internal { _willFallback(); _delegate(_implementation()); } } library OpenZeppelinUpgradesAddress { function isContract(address account) internal view returns (bool) { uint256 size; assembly { size := extcodesize(account) } return size > 0; } } contract BaseUpgradeabilityProxy is Proxy { event Upgraded(address indexed implementation); bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; function _implementation() internal view returns (address impl) { bytes32 slot = IMPLEMENTATION_SLOT; assembly { impl := sload(slot) } } function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } function _setImplementation(address newImplementation) internal { require(OpenZeppelinUpgradesAddress.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address"); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, newImplementation) } } } contract UpgradeabilityProxy is BaseUpgradeabilityProxy { constructor(address _logic, bytes memory _data) public payable { assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)); _setImplementation(_logic); if(_data.length > 0) { (bool success,) = _logic.delegatecall(_data); require(success); } } } contract BaseAdminUpgradeabilityProxy is BaseUpgradeabilityProxy { event AdminChanged(address previousAdmin, address newAdmin); bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; modifier ifAdmin() { if (msg.sender == _admin()) { _; } else { _fallback(); } } function admin() external ifAdmin returns (address) { return _admin(); } function implementation() external ifAdmin returns (address) { return _implementation(); } function changeAdmin(address newAdmin) external ifAdmin { require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address"); emit AdminChanged(_admin(), newAdmin); _setAdmin(newAdmin); } function upgradeTo(address newImplementation) external ifAdmin { _upgradeTo(newImplementation); } function upgradeToAndCall(address newImplementation, bytes calldata data) payable external ifAdmin { _upgradeTo(newImplementation); (bool success,) = newImplementation.delegatecall(data); require(success); } function _admin() internal view returns (address adm) { bytes32 slot = ADMIN_SLOT; assembly { adm := sload(slot) } } function _setAdmin(address newAdmin) internal { bytes32 slot = ADMIN_SLOT; assembly { sstore(slot, newAdmin) } } function _willFallback() internal { require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin"); super._willFallback(); } } contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy { function initialize(address _logic, bytes memory _data) public payable { require(_implementation() == address(0)); assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)); _setImplementation(_logic); if(_data.length > 0) { (bool success,) = _logic.delegatecall(_data); require(success); } } } contract InitializableAdminUpgradeabilityProxy is BaseAdminUpgradeabilityProxy, InitializableUpgradeabilityProxy { function initialize(address _logic, address _admin, bytes memory _data) public payable { require(_implementation() == address(0)); InitializableUpgradeabilityProxy.initialize(_logic, _data); assert(ADMIN_SLOT == bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1)); _setAdmin(_admin); } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } contract ERC20 is Initializable, Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; function totalSupply() public view returns (uint256) { return _totalSupply; } function balanceOf(address account) public view returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint256 amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _mint(address account, uint256 amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _burn(address account, uint256 amount) internal { require(account != address(0), "ERC20: burn from the zero address"); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } function _approve(address owner, address spender, uint256 amount) internal { 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); } function _burnFrom(address account, uint256 amount) internal { _burn(account, amount); _approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance")); } uint256[50] private ______gap; } contract ERC20Detailed is Initializable, IERC20 { string private _name; string internal _symbol; uint8 private _decimals; function initialize(string memory name, string memory symbol, uint8 decimals) public initializer { _name = name; _symbol = symbol; _decimals = decimals; } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } uint256[50] private ______gap; } library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call.value(amount)(""); require(success, "Address: unable to send value, recipient may have reverted"); } } library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } contract CanReclaimTokens is Claimable { using SafeERC20 for ERC20; mapping(address => bool) private recoverableTokensBlacklist; function initialize(address _nextOwner) public initializer { Claimable.initialize(_nextOwner); } function blacklistRecoverableToken(address _token) public onlyOwner { recoverableTokensBlacklist[_token] = true; } function recoverTokens(address _token) external onlyOwner { require( !recoverableTokensBlacklist[_token], "CanReclaimTokens: token is not recoverable" ); if (_token == address(0x0)) { msg.sender.transfer(address(this).balance); } else { ERC20(_token).safeTransfer( msg.sender, ERC20(_token).balanceOf(address(this)) ); } } } contract ERC20WithRate is Initializable, Ownable, ERC20 { using SafeMath for uint256; uint256 public constant _rateScale = 1e18; uint256 internal _rate; event LogRateChanged(uint256 indexed _rate); function initialize(address _nextOwner, uint256 _initialRate) public initializer { Ownable.initialize(_nextOwner); _setRate(_initialRate); } function setExchangeRate(uint256 _nextRate) public onlyOwner { _setRate(_nextRate); } function exchangeRateCurrent() public view returns (uint256) { require(_rate != 0, "ERC20WithRate: rate has not been initialized"); return _rate; } function _setRate(uint256 _nextRate) internal { require(_nextRate > 0, "ERC20WithRate: rate must be greater than zero"); _rate = _nextRate; } function balanceOfUnderlying(address _account) public view returns (uint256) { return toUnderlying(balanceOf(_account)); } function toUnderlying(uint256 _amount) public view returns (uint256) { return _amount.mul(_rate).div(_rateScale); } function fromUnderlying(uint256 _amountUnderlying) public view returns (uint256) { return _amountUnderlying.mul(_rateScale).div(_rate); } } contract ERC20WithPermit is Initializable, ERC20, ERC20Detailed { using SafeMath for uint256; mapping(address => uint256) public nonces; string public version; bytes32 public DOMAIN_SEPARATOR; bytes32 public constant PERMIT_TYPEHASH = 0xea2aa0a1be11a07ed86d755c93467f4f82362b452371d1ba94d1715123511acb; function initialize( uint256 _chainId, string memory _version, string memory _name, string memory _symbol, uint8 _decimals ) public initializer { ERC20Detailed.initialize(_name, _symbol, _decimals); version = _version; DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256( "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)" ), keccak256(bytes(name())), keccak256(bytes(version)), _chainId, address(this) ) ); } function permit( address holder, address spender, uint256 nonce, uint256 expiry, bool allowed, uint8 v, bytes32 r, bytes32 s ) external { bytes32 digest = keccak256( abi.encodePacked( "\x19\x01", DOMAIN_SEPARATOR, keccak256( abi.encode( PERMIT_TYPEHASH, holder, spender, nonce, expiry, allowed ) ) ) ); require(holder != address(0), "ERC20WithRate: address must not be 0x0"); require( holder == ecrecover(digest, v, r, s), "ERC20WithRate: invalid signature" ); require( expiry == 0 || now <= expiry, "ERC20WithRate: permit has expired" ); require(nonce == nonces[holder]++, "ERC20WithRate: invalid nonce"); uint256 amount = allowed ? uint256(-1) : 0; _approve(holder, spender, amount); } } contract RenERC20LogicV1 is Initializable, ERC20, ERC20Detailed, ERC20WithRate, ERC20WithPermit, Claimable, CanReclaimTokens { function initialize( uint256 _chainId, address _nextOwner, uint256 _initialRate, string memory _version, string memory _name, string memory _symbol, uint8 _decimals ) public initializer { ERC20Detailed.initialize(_name, _symbol, _decimals); ERC20WithRate.initialize(_nextOwner, _initialRate); ERC20WithPermit.initialize( _chainId, _version, _name, _symbol, _decimals ); Claimable.initialize(_nextOwner); CanReclaimTokens.initialize(_nextOwner); } function updateSymbol(string memory symbol) public onlyOwner { ERC20Detailed._symbol = symbol; } function mint(address _to, uint256 _amount) public onlyOwner { _mint(_to, _amount); } function burn(address _from, uint256 _amount) public onlyOwner { _burn(_from, _amount); } function transfer(address recipient, uint256 amount) public returns (bool) { require( recipient != address(this), "RenERC20: can't transfer to token address" ); return super.transfer(recipient, amount); } function transferFrom( address sender, address recipient, uint256 amount ) public returns (bool) { require( recipient != address(this), "RenERC20: can't transfer to token address" ); return super.transferFrom(sender, recipient, amount); } } contract RenERC20Proxy is InitializableAdminUpgradeabilityProxy { } library LinkedList { address public constant NULL = address(0); struct Node { bool inList; address previous; address next; } struct List { mapping(address => Node) list; } function insertBefore( List storage self, address target, address newNode ) internal { require(newNode != address(0), "LinkedList: invalid address"); require(!isInList(self, newNode), "LinkedList: already in list"); require( isInList(self, target) || target == NULL, "LinkedList: not in list" ); address prev = self.list[target].previous; self.list[newNode].next = target; self.list[newNode].previous = prev; self.list[target].previous = newNode; self.list[prev].next = newNode; self.list[newNode].inList = true; } function insertAfter( List storage self, address target, address newNode ) internal { require(newNode != address(0), "LinkedList: invalid address"); require(!isInList(self, newNode), "LinkedList: already in list"); require( isInList(self, target) || target == NULL, "LinkedList: not in list" ); address n = self.list[target].next; self.list[newNode].previous = target; self.list[newNode].next = n; self.list[target].next = newNode; self.list[n].previous = newNode; self.list[newNode].inList = true; } function remove(List storage self, address node) internal { require(isInList(self, node), "LinkedList: not in list"); address p = self.list[node].previous; address n = self.list[node].next; self.list[p].next = n; self.list[n].previous = p; self.list[node].inList = false; delete self.list[node]; } function prepend(List storage self, address node) internal { insertBefore(self, begin(self), node); } function append(List storage self, address node) internal { insertAfter(self, end(self), node); } function swap( List storage self, address left, address right ) internal { address previousRight = self.list[right].previous; remove(self, right); insertAfter(self, left, right); remove(self, left); insertAfter(self, previousRight, left); } function isInList(List storage self, address node) internal view returns (bool) { return self.list[node].inList; } function begin(List storage self) internal view returns (address) { return self.list[NULL].next; } function end(List storage self) internal view returns (address) { return self.list[NULL].previous; } function next(List storage self, address node) internal view returns (address) { require(isInList(self, node), "LinkedList: not in list"); return self.list[node].next; } function previous(List storage self, address node) internal view returns (address) { require(isInList(self, node), "LinkedList: not in list"); return self.list[node].previous; } function elements( List storage self, address _start, uint256 _count ) internal view returns (address[] memory) { require(_count > 0, "LinkedList: invalid count"); require( isInList(self, _start) || _start == address(0), "LinkedList: not in list" ); address[] memory elems = new address[](_count); uint256 n = 0; address nextItem = _start; if (nextItem == address(0)) { nextItem = begin(self); } while (n < _count) { if (nextItem == address(0)) { break; } elems[n] = nextItem; nextItem = next(self, nextItem); n += 1; } return elems; } } interface IMintGateway { function mint( bytes32 _pHash, uint256 _amount, bytes32 _nHash, bytes calldata _sig ) external returns (uint256); function mintFee() external view returns (uint256); } interface IBurnGateway { function burn(bytes calldata _to, uint256 _amountScaled) external returns (uint256); function burnFee() external view returns (uint256); } interface IGateway { function mint( bytes32 _pHash, uint256 _amount, bytes32 _nHash, bytes calldata _sig ) external returns (uint256); function mintFee() external view returns (uint256); function burn(bytes calldata _to, uint256 _amountScaled) external returns (uint256); function burnFee() external view returns (uint256); } contract GatewayRegistry is Claimable, CanReclaimTokens { constructor() public { Claimable.initialize(msg.sender); CanReclaimTokens.initialize(msg.sender); } event LogGatewayRegistered( string _symbol, string indexed _indexedSymbol, address indexed _token, address indexed _gatewayContract ); event LogGatewayDeregistered( string _symbol, string indexed _indexedSymbol, address indexed _token, address indexed _gatewayContract ); event LogGatewayUpdated( address indexed _token, address indexed _currentGatewayContract, address indexed _newGatewayContract ); uint256 numGatewayContracts = 0; LinkedList.List private gatewayContractList; LinkedList.List private renTokenList; mapping(address => address) private gatewayByToken; mapping(string => address) private tokenBySymbol; function setGateway( string calldata _symbol, address _token, address _gatewayContract ) external onlyOwner { require( symbolIsValid(_symbol), "GatewayRegistry: symbol must be alphanumeric" ); require( !LinkedList.isInList(gatewayContractList, _gatewayContract), "GatewayRegistry: gateway already registered" ); require( gatewayByToken[_token] == address(0x0), "GatewayRegistry: token already registered" ); require( tokenBySymbol[_symbol] == address(0x0), "GatewayRegistry: symbol already registered" ); LinkedList.append(gatewayContractList, _gatewayContract); LinkedList.append(renTokenList, _token); tokenBySymbol[_symbol] = _token; gatewayByToken[_token] = _gatewayContract; numGatewayContracts += 1; emit LogGatewayRegistered(_symbol, _symbol, _token, _gatewayContract); } function updateGateway(address _token, address _newGatewayContract) external onlyOwner { address currentGateway = gatewayByToken[_token]; require( currentGateway != address(0x0), "GatewayRegistry: token not registered" ); LinkedList.remove(gatewayContractList, currentGateway); LinkedList.append(gatewayContractList, _newGatewayContract); gatewayByToken[_token] = _newGatewayContract; emit LogGatewayUpdated(_token, currentGateway, _newGatewayContract); } function removeGateway(string calldata _symbol) external onlyOwner { address tokenAddress = tokenBySymbol[_symbol]; require( tokenAddress != address(0x0), "GatewayRegistry: symbol not registered" ); address gatewayAddress = gatewayByToken[tokenAddress]; delete gatewayByToken[tokenAddress]; delete tokenBySymbol[_symbol]; LinkedList.remove(gatewayContractList, gatewayAddress); LinkedList.remove(renTokenList, tokenAddress); numGatewayContracts -= 1; emit LogGatewayDeregistered( _symbol, _symbol, tokenAddress, gatewayAddress ); } function getGateways(address _start, uint256 _count) external view returns (address[] memory) { return LinkedList.elements( gatewayContractList, _start, _count == 0 ? numGatewayContracts : _count ); } function getRenTokens(address _start, uint256 _count) external view returns (address[] memory) { return LinkedList.elements( renTokenList, _start, _count == 0 ? numGatewayContracts : _count ); } function getGatewayByToken(address _token) external view returns (IGateway) { return IGateway(gatewayByToken[_token]); } function getGatewayBySymbol(string calldata _tokenSymbol) external view returns (IGateway) { return IGateway(gatewayByToken[tokenBySymbol[_tokenSymbol]]); } function getTokenBySymbol(string calldata _tokenSymbol) external view returns (IERC20) { return IERC20(tokenBySymbol[_tokenSymbol]); } function symbolIsValid(string memory _tokenSymbol) public pure returns (bool) { for (uint256 i = 0; i < bytes(_tokenSymbol).length; i++) { uint8 char = uint8(bytes(_tokenSymbol)[i]); if ( !((char >= 65 && char <= 90) || (char >= 97 && char <= 122) || (char >= 48 && char <= 57)) ) { return false; } } return true; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"_symbol","type":"string"},{"indexed":true,"internalType":"string","name":"_indexedSymbol","type":"string"},{"indexed":true,"internalType":"address","name":"_token","type":"address"},{"indexed":true,"internalType":"address","name":"_gatewayContract","type":"address"}],"name":"LogGatewayDeregistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"_symbol","type":"string"},{"indexed":true,"internalType":"string","name":"_indexedSymbol","type":"string"},{"indexed":true,"internalType":"address","name":"_token","type":"address"},{"indexed":true,"internalType":"address","name":"_gatewayContract","type":"address"}],"name":"LogGatewayRegistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_token","type":"address"},{"indexed":true,"internalType":"address","name":"_currentGatewayContract","type":"address"},{"indexed":true,"internalType":"address","name":"_newGatewayContract","type":"address"}],"name":"LogGatewayUpdated","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"},{"constant":false,"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"_directTransferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"blacklistRecoverableToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"claimOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"string","name":"_tokenSymbol","type":"string"}],"name":"getGatewayBySymbol","outputs":[{"internalType":"contract IGateway","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"getGatewayByToken","outputs":[{"internalType":"contract IGateway","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_start","type":"address"},{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"getGateways","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_start","type":"address"},{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"getRenTokens","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"string","name":"_tokenSymbol","type":"string"}],"name":"getTokenBySymbol","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_nextOwner","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"recoverTokens","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"string","name":"_symbol","type":"string"}],"name":"removeGateway","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_gatewayContract","type":"address"}],"name":"setGateway","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"string","name":"_tokenSymbol","type":"string"}],"name":"symbolIsValid","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_newGatewayContract","type":"address"}],"name":"updateGateway","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Age | Block | Fee Address | BC Fee Address | Voting Power | Jailed | Incoming |
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Validator ID :
0 FTM
Amount Staked
0
Amount Delegated
0
Staking Total
0
Staking Start Epoch
0
Staking Start Time
0
Proof of Importance
0
Origination Score
0
Validation Score
0
Active
0
Online
0
Downtime
0 s
Address | Amount | claimed Rewards | Created On Epoch | Created On |
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