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Latest 16 from a total of 16 transactions
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Add Token | 19464103 | 126 days ago | IN | 0 ETH | 0.00720591 | ||||
Add Token | 14563650 | 833 days ago | IN | 0 ETH | 0.00939442 | ||||
Claim Ownership | 14563636 | 833 days ago | IN | 0 ETH | 0.0009451 | ||||
Transfer Ownersh... | 14563615 | 833 days ago | IN | 0 ETH | 0.00111316 | ||||
Add Token | 14229930 | 885 days ago | IN | 0 ETH | 0.01341222 | ||||
Add Token | 14229918 | 885 days ago | IN | 0 ETH | 0.01647874 | ||||
Add Token | 13620691 | 980 days ago | IN | 0 ETH | 0.02559968 | ||||
Add Token | 13358794 | 1021 days ago | IN | 0 ETH | 0.01423082 | ||||
Add Token | 13358619 | 1021 days ago | IN | 0 ETH | 0.01261539 | ||||
Add Token | 13358610 | 1021 days ago | IN | 0 ETH | 0.01470231 | ||||
Add Token | 13358576 | 1021 days ago | IN | 0 ETH | 0.01663142 | ||||
Add Token | 13358563 | 1021 days ago | IN | 0 ETH | 0.01872064 | ||||
Add Token | 13358542 | 1021 days ago | IN | 0 ETH | 0.01583298 | ||||
Add Token | 13358529 | 1021 days ago | IN | 0 ETH | 0.01704838 | ||||
Add Token | 13358519 | 1021 days ago | IN | 0 ETH | 0.01949041 | ||||
0x60806040 | 13357213 | 1022 days ago | IN | Create: TokenManager | 0 ETH | 0.04786061 |
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Contract Name:
TokenManager
Compiler Version
v0.8.0+commit.c7dfd78e
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./access/Ownable.sol"; contract TokenManager is Ownable { event TokenAdded(address indexed _tokenAddress); event TokenRemoved(address indexed _tokenAddress); struct Token { address tokenAddress; string name; string symbol; uint256 decimals; address usdPriceContract; bool isStable; } address[] public tokenAddresses; mapping(address => Token) public tokens; function addToken( address _tokenAddress, string memory _name, string memory _symbol, uint256 _decimals, address _usdPriceContract, bool _isStable ) public onlyOwner { (bool found,) = indexOfToken(_tokenAddress); require(!found, 'Token already added'); tokens[_tokenAddress] = Token(_tokenAddress, _name, _symbol, _decimals, _usdPriceContract, _isStable); tokenAddresses.push(_tokenAddress); emit TokenAdded(_tokenAddress); } function removeToken( address _tokenAddress ) public onlyOwner { (bool found, uint256 index) = indexOfToken(_tokenAddress); require(found, 'Erc20 token not found'); if (tokenAddresses.length > 1) { tokenAddresses[index] = tokenAddresses[tokenAddresses.length - 1]; } tokenAddresses.pop(); delete tokens[_tokenAddress]; emit TokenRemoved(_tokenAddress); } function indexOfToken(address _address) public view returns (bool found, uint256 index) { for (uint256 i = 0; i < tokenAddresses.length; i++) { if (tokenAddresses[i] == _address) { return (true, i); } } return (false, 0); } function getListTokenAddresses() public view returns (address[] memory) { return tokenAddresses; } function getLengthTokenAddresses() public view returns (uint256) { return tokenAddresses.length; } }
// 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; address private _pendingOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Returns the address of the pending owner. */ function pendingOwner() public view returns (address) { return _pendingOwner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Throws if called by any account other than the pending owner. */ modifier onlyPendingOwner() { require(pendingOwner() == _msgSender(), "Ownable: caller is not the pending owner"); _; } function transferOwnership(address newOwner) external onlyOwner { _pendingOwner = newOwner; } function claimOwnership() external onlyPendingOwner { _owner = _pendingOwner; _pendingOwner = address(0); emit OwnershipTransferred(_owner, _pendingOwner); } }
// 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) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./interfaces/AggregatorV3Interface.sol"; import "./utils/ECDSA.sol"; import './access/Ownable.sol'; import './utils/SafeERC20.sol'; import './interfaces/IERC20.sol'; import './interfaces/IWETH.sol'; import "./TokenManager.sol"; contract LaborXContract is Ownable { using SafeERC20 for IERC20; using ECDSA for bytes32; enum State {NULL, CREATED, BLOCKED, PAYED_TO_FREELANCER, RETURNED_FUNDS_TO_CUSTOMER, DISTRIBUTED_FUNDS_BY_ARBITER} event ContractCreated(bytes32 indexed contractId, address token, uint256 amount, address disputer, uint256 deadline); event ContractBlocked(bytes32 indexed contractId); event PayedToFreelancer(bytes32 indexed contractId, uint256 freelancerFee, uint256 freelancerAmount); event RefundedToCustomer(bytes32 indexed contractId, uint256 customerPayAmount); event DistributedForPartials(bytes32 indexed contractId, uint256 freelancerFee, uint256 customerPayAmount, uint256 freelancerPayAmount); event ServiceFeesChanged(uint256 customerFee, uint256 freelancerFee); uint256 public constant FEE_PRECISION = 1000; bool private initialized; uint256 public customerFee = 0; uint256 public freelancerFee = 100; uint256 public extraDuration = 172800; uint256 public precision = 10000000000; uint256 public priceOutdateDelay = 14400; uint256 public priceOutdateDelayStable = 172800; bool public convertAvailable = true; address public weth; address public tokenManager; address public serviceFeesRecipient; address public disputer; struct Contract { bytes32 contractId; address customer; address freelancer; address disputer; address token; uint256 amount; uint256 customerFee; uint256 deadline; uint256 percentToBaseConvert; State state; } struct ServiceFeeAccum { address token; uint256 amount; } mapping(bytes32 => Contract) public contracts; mapping(address => uint256) public serviceFeesAccum; function init(address _weth, address _tokenManager, address _disputer, address _serviceFeesRecipient) external onlyOwner { require(!initialized, "Initialized"); weth = _weth; tokenManager = _tokenManager; disputer = _disputer; serviceFeesRecipient = _serviceFeesRecipient; initialized = true; } function createContract( bytes32 _contractId, address _freelancer, address _disputer, address _token, uint256 _amount, uint64 _duration, uint256 _percentToBaseConvert ) external payable { require(contracts[_contractId].state == State.NULL, "Contract already exist"); (bool found,) = TokenManager(tokenManager).indexOfToken(_token); require(found, "Only allowed currency"); require((_percentToBaseConvert >= 0 && _percentToBaseConvert <= 1000), "Percent to base convert goes beyond the limits from 0 to 1000"); require(_duration > 0, "Duration must be greater than zero"); uint256 _deadline = _duration + block.timestamp; uint256 feeAmount = customerFee * _amount / FEE_PRECISION; uint256 amountWithFee = _amount + feeAmount; if (_token == weth) { require(msg.value == amountWithFee, 'Incorrect passed msg.value'); IWETH(weth).deposit{value : amountWithFee}(); } else { IERC20(_token).safeTransferFrom(_msgSender(), address(this), amountWithFee); } Contract storage jobContract = contracts[_contractId]; jobContract.state = State.CREATED; jobContract.customer = _msgSender(); jobContract.freelancer = _freelancer; if (_disputer != address(0)) jobContract.disputer = _disputer; jobContract.token = _token; jobContract.amount = _amount; if (customerFee != 0) jobContract.customerFee = customerFee; jobContract.deadline = _deadline; if (_percentToBaseConvert != 0) jobContract.percentToBaseConvert = _percentToBaseConvert; emit ContractCreated(_contractId, _token, _amount, _disputer, _deadline); } function blockContract(bytes32 _contractId) external onlyCreatedState(_contractId) { require( ((contracts[_contractId].disputer == address(0) && _msgSender() == disputer) || _msgSender() == contracts[_contractId].disputer) || _msgSender() == contracts[_contractId].freelancer, "Only disputer or freelancer can block contract" ); contracts[_contractId].state = State.BLOCKED; emit ContractBlocked(_contractId); } function payToFreelancer( bytes32 _contractId ) external onlyCustomer(_contractId) onlyCreatedState(_contractId) { uint256 freelancerFeeAmount = freelancerFee * contracts[_contractId].amount / FEE_PRECISION; uint256 customerFeeAmount = contracts[_contractId].customerFee * contracts[_contractId].amount / FEE_PRECISION; uint256 freelancerAmount = contracts[_contractId].amount - freelancerFeeAmount; contracts[_contractId].state = State.PAYED_TO_FREELANCER; if (contracts[_contractId].token == weth) { IWETH(weth).withdraw(freelancerAmount); payable(contracts[_contractId].freelancer).transfer(freelancerAmount); } else { if (contracts[_contractId].percentToBaseConvert > 0) { uint256 freelancerAmountToBase = freelancerAmount * contracts[_contractId].percentToBaseConvert / FEE_PRECISION; bool success = _payInBase(contracts[_contractId].freelancer, contracts[_contractId].token, freelancerAmountToBase); if (success) { IERC20(contracts[_contractId].token).safeTransfer(contracts[_contractId].freelancer, freelancerAmount - freelancerAmountToBase); } else { IERC20(contracts[_contractId].token).safeTransfer(contracts[_contractId].freelancer, freelancerAmount); } } else { IERC20(contracts[_contractId].token).safeTransfer(contracts[_contractId].freelancer, freelancerAmount); } } serviceFeesAccum[contracts[_contractId].token] += freelancerFeeAmount + customerFeeAmount; emit PayedToFreelancer(_contractId, freelancerFee, freelancerAmount); } function refundToCustomerByFreelancer( bytes32 _contractId ) external onlyFreelancer(_contractId) onlyCreatedState(_contractId) { uint256 customerFeeAmount = contracts[_contractId].customerFee * contracts[_contractId].amount / FEE_PRECISION; uint256 customerAmount = contracts[_contractId].amount + customerFeeAmount; contracts[_contractId].state = State.RETURNED_FUNDS_TO_CUSTOMER; if (contracts[_contractId].token == weth) { IWETH(weth).withdraw(customerAmount); payable(contracts[_contractId].customer).transfer(customerAmount); } else { IERC20(contracts[_contractId].token).safeTransfer( contracts[_contractId].customer, customerAmount ); } emit RefundedToCustomer(_contractId, customerAmount); } function refundToCustomerByCustomer( bytes32 _contractId ) external onlyCustomer(_contractId) onlyCreatedState(_contractId) { require(contracts[_contractId].deadline + extraDuration < block.timestamp, "You cannot refund the funds, deadline plus extra hours"); uint256 customerFeeAmount = contracts[_contractId].customerFee * contracts[_contractId].amount / FEE_PRECISION; uint256 customerAmount = contracts[_contractId].amount + customerFeeAmount; contracts[_contractId].state = State.RETURNED_FUNDS_TO_CUSTOMER; if (contracts[_contractId].token == weth) { IWETH(weth).withdraw(customerAmount); payable(contracts[_contractId].customer).transfer(customerAmount); } else { IERC20(contracts[_contractId].token).safeTransfer( contracts[_contractId].customer, customerAmount ); } emit RefundedToCustomer(_contractId, customerAmount); } function refundToCustomerWithFreelancerSignature( bytes32 _contractId, bytes memory signature ) public onlyCustomer(_contractId) onlyCreatedState(_contractId) { address signerAddress = _contractId.toEthSignedMessageHash().recover(signature); require(signerAddress == contracts[_contractId].freelancer, "Freelancer signature is incorrect"); uint256 customerFeeAmount = contracts[_contractId].customerFee * contracts[_contractId].amount / FEE_PRECISION; uint256 customerAmount = contracts[_contractId].amount + customerFeeAmount; contracts[_contractId].state = State.RETURNED_FUNDS_TO_CUSTOMER; if (contracts[_contractId].token == weth) { IWETH(weth).withdraw(customerAmount); payable(contracts[_contractId].customer).transfer(customerAmount); } else { IERC20(contracts[_contractId].token).safeTransfer( contracts[_contractId].customer, customerAmount ); } emit RefundedToCustomer(_contractId, customerAmount); } function distributionForPartials( bytes32 _contractId, uint256 _customerAmount ) external onlyDisputer(_contractId) onlyBlockedState(_contractId) { require(contracts[_contractId].amount >= _customerAmount, "High value of the customer amount"); uint256 customerBeginFee = contracts[_contractId].amount * contracts[_contractId].customerFee / FEE_PRECISION; uint256 freelancerAmount = contracts[_contractId].amount - _customerAmount; uint256 freelancerFeeAmount = freelancerAmount * freelancerFee / FEE_PRECISION; uint256 freelancerPayAmount = freelancerAmount - freelancerFeeAmount; uint256 customerFeeAmount = freelancerAmount * precision * customerBeginFee / contracts[_contractId].amount / precision; uint256 customerPayAmount = _customerAmount + (customerBeginFee - customerFeeAmount); contracts[_contractId].state = State.DISTRIBUTED_FUNDS_BY_ARBITER; if (contracts[_contractId].token == weth) { IWETH(weth).withdraw(customerPayAmount + freelancerPayAmount); if (customerPayAmount != 0) { payable(contracts[_contractId].customer).transfer(customerPayAmount); } if (freelancerPayAmount != 0) { payable(contracts[_contractId].freelancer).transfer(freelancerPayAmount); } } else { if (customerPayAmount != 0) { IERC20(contracts[_contractId].token).safeTransfer(contracts[_contractId].customer, customerPayAmount); } if (freelancerPayAmount != 0) { IERC20(contracts[_contractId].token).safeTransfer(contracts[_contractId].freelancer, freelancerPayAmount); } } serviceFeesAccum[contracts[_contractId].token] += customerFeeAmount + freelancerFeeAmount; emit DistributedForPartials(_contractId, freelancerFee, customerPayAmount, freelancerPayAmount); } function withdrawServiceFee(address token) external onlyServiceFeesRecipient { require(serviceFeesRecipient != address(0), "Not specified service fee address"); require(serviceFeesAccum[token] > 0, "You have no accumulated commissions"); uint256 amount = serviceFeesAccum[token]; serviceFeesAccum[token] = 0; if (token == weth) { IWETH(weth).withdraw(amount); payable(serviceFeesRecipient).transfer(amount); } else { IERC20(token).safeTransfer(serviceFeesRecipient, amount); } } function withdrawServiceFees() external onlyServiceFeesRecipient { address[] memory addresses = TokenManager(tokenManager).getListTokenAddresses(); for (uint256 i = 0; i < addresses.length; i++) { if (serviceFeesAccum[addresses[i]] > 0) { uint256 amount = serviceFeesAccum[addresses[i]]; serviceFeesAccum[addresses[i]] = 0; if (addresses[i] == weth) { IWETH(weth).withdraw(amount); payable(serviceFeesRecipient).transfer(amount); } else { IERC20(addresses[i]).safeTransfer(serviceFeesRecipient, amount); } } } } function checkAbilityConvertToBase(address fromToken, uint256 amount) public view returns (bool success, uint256 amountInBase) { if (!convertAvailable) return (false, 0); if (address(0) == weth) return (false, 1); if (fromToken == weth) return (false, 2); (bool found,) = TokenManager(tokenManager).indexOfToken(weth); if (!found) return (false, 3); (,,,,address priceContractToUSD, bool isStable) = TokenManager(tokenManager).tokens(fromToken); if (priceContractToUSD == address(0)) return (false, 4); (,int256 answerToUSD,,uint256 updatedAtToUSD,) = AggregatorV3Interface(priceContractToUSD).latestRoundData(); if ((updatedAtToUSD + (isStable ? priceOutdateDelayStable : priceOutdateDelay )) < block.timestamp) return (false, 5); if (answerToUSD <= 0) return (false, 6); (,,,,address priceContractToBase,) = TokenManager(tokenManager).tokens(weth); (,int256 answerToBase,,uint256 updatedAtToBase,) = AggregatorV3Interface(priceContractToBase).latestRoundData(); if ((updatedAtToBase + priceOutdateDelay) < block.timestamp) return (false, 7); if (answerToBase <= 0) return (false, 8); uint256 amountInUSD = amount * uint(answerToUSD) / (10 ** AggregatorV3Interface(priceContractToUSD).decimals()); amountInBase = amountInUSD * (10 ** 18) / uint(answerToBase); if (amountInBase > serviceFeesAccum[weth]) return (false, 9); return (true, amountInBase); } function addToServiceFeeAccumBase() external payable onlyServiceFeesRecipient { IWETH(weth).deposit{value : msg.value}(); serviceFeesAccum[weth] += msg.value; } function setPrecision(uint256 _precision) external onlyOwner { precision = _precision; } function setServiceFeesRecipient(address _address) external onlyOwner { serviceFeesRecipient = _address; } function setDisputer(address _address) external onlyOwner { disputer = _address; } function setTokenManager(address _address) external onlyOwner { tokenManager = _address; } function setServiceFees(uint256 _customerFee, uint256 _freelancerFee) external onlyOwner { customerFee = _customerFee; freelancerFee = _freelancerFee; emit ServiceFeesChanged(customerFee, freelancerFee); } function setExtraDuration(uint256 _extraDuration) external onlyOwner { extraDuration = _extraDuration; } function setPriceOutdateDelay(uint256 _priceOutdateDelay, uint256 _priceOutdateDelayStable) external onlyOwner { priceOutdateDelay = _priceOutdateDelay; priceOutdateDelayStable = _priceOutdateDelayStable; } function setConvertAvailable(bool _convertAvailable) external onlyOwner { convertAvailable = _convertAvailable; } function _payInBase(address to, address fromToken, uint256 amount) internal returns (bool) { (bool success, uint256 amountInBase) = checkAbilityConvertToBase(fromToken, amount); if (!success) return false; IWETH(weth).withdraw(amountInBase); payable(to).transfer(amountInBase); serviceFeesAccum[weth] -= amountInBase; serviceFeesAccum[fromToken] += amount; return true; } receive() external payable { assert(msg.sender == weth); } // -------- Getters ---------- function getAccumulatedFees() public view returns (ServiceFeeAccum[] memory _fees) { uint256 length = TokenManager(tokenManager).getLengthTokenAddresses(); ServiceFeeAccum[] memory fees = new ServiceFeeAccum[](length); for (uint256 i = 0; i < length; i++) { address token = TokenManager(tokenManager).tokenAddresses(i); fees[i].token = token; fees[i].amount = serviceFeesAccum[token]; } return fees; } function getServiceFees() public view returns (uint256 _customerFee, uint256 _freelancerFee) { _customerFee = customerFee; _freelancerFee = freelancerFee; } // -------- Modifiers ---------- modifier onlyCreatedState (bytes32 _contractId) { require(contracts[_contractId].state == State.CREATED, "Contract allowed only created state"); _; } modifier onlyBlockedState (bytes32 _contractId) { require(contracts[_contractId].state == State.BLOCKED, "Contract allowed only blocked state"); _; } modifier onlyServiceFeesRecipient () { require(_msgSender() == serviceFeesRecipient, "Only service fees recipient can call this function"); _; } modifier onlyFreelancer (bytes32 _contractId) { require(_msgSender() == contracts[_contractId].freelancer, "Only freelancer can call this function"); _; } modifier onlyCustomer (bytes32 _contractId) { require(_msgSender() == contracts[_contractId].customer, "Only customer can call this function"); _; } modifier onlyTxSender (bytes32 _contractId) { require(msg.sender == tx.origin, "Only tx sender can call this function"); _; } modifier onlyDisputer (bytes32 _contractId) { require((contracts[_contractId].disputer == address(0) && _msgSender() == disputer) || _msgSender() == contracts[_contractId].disputer, "Only disputer can call this function"); _; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface AggregatorV3Interface { function decimals() external view returns ( uint8 ); function description() external view returns ( string memory ); function version() external view returns ( uint256 ); // getRoundData and latestRoundData should both raise "No data present" // if they do not have data to report, instead of returning unset values // which could be misinterpreted as actual reported values. function getRoundData( uint80 _roundId ) external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); function latestRoundData() external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { // Divide the signature in r, s and v variables bytes32 r; bytes32 s; uint8 v; // Check the signature length // - case 65: r,s,v signature (standard) // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._ if (signature.length == 65) { // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. // solhint-disable-next-line no-inline-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } } else if (signature.length == 64) { // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. // solhint-disable-next-line no-inline-assembly assembly { let vs := mload(add(signature, 0x40)) r := mload(add(signature, 0x20)) s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) v := add(shr(255, vs), 27) } } else { revert("ECDSA: invalid signature length"); } return recover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. require(uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0, "ECDSA: invalid signature 's' value"); require(v == 27 || v == 28, "ECDSA: invalid signature 'v' value"); // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); require(signer != address(0), "ECDSA: invalid signature"); return signer; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../interfaces/IERC20.sol"; import "./Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { 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)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length 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) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) {// Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IWETH { function deposit() external payable; function transfer(address to, uint value) external returns (bool); function withdraw(uint wad) external; function balanceOf(address user) external returns (uint); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: value }(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./IERC20.sol"; interface IUniRouter { function swapExactTokensForTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); function swapExactETHForTokens( uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external payable returns (uint256[] memory amounts); function swapETHForExactTokens( uint256 amountOut, address[] calldata path, address to, uint256 deadline ) external payable returns (uint256[] memory amounts); function getAmountsOut(uint256 amountIn, address[] calldata path) external view returns (uint256[] memory amounts); function getAmountsIn(uint256 amountOut, address[] calldata path) external view returns (uint256[] memory amounts); } interface IUniswapV2Factory { function addLiquidity( address tokenA, address tokenB, uint256 amountADesired, uint256 amountBDesired, uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline ) external returns ( uint256 amountA, uint256 amountB, uint256 liquidity ); function removeLiquidity( address tokenA, address tokenB, uint256 liquidity, uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline ) external returns (uint256 amountA, uint256 amountB); function getPair(IERC20 tokenA, IERC20 tokenB) external view returns (IUniswapV2Exchange pair); } interface IUniswapV2Exchange { function totalSupply() external view returns (uint256); function balanceOf(address owner) external view returns (uint256); function getReserves() external view returns ( uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast ); function swap( uint256 amount0Out, uint256 amount1Out, address to, bytes calldata data ) external; function skim(address to) external; function sync() external; function mint(address to) external returns (uint256 liquidity); function burn(address to) external returns (uint256 amount0, uint256 amount1); function token0() external view returns (address); function token1() external view returns (address); function transfer(address to, uint256 value) external returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./interfaces/IERC20.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 { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 public decimals; /** * @dev Sets the values for {name} and {symbol}. * * The defaut 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_, uint8 decimals_) { _name = name_; _symbol = symbol_; decimals = decimals_; } /** * @dev Returns the name of the token. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual returns (string memory) { return _symbol; } /** * @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"); _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"); _approve(_msgSender(), spender, currentAllowance - subtractedValue); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is 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"); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); _balances[sender] = senderBalance - amount; _balances[recipient] += amount; emit Transfer(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: * * - `to` cannot be the zero address. */ function mint(address account, uint256 amount) external virtual { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply += amount; _balances[account] += amount; emit Transfer(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"); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); _balances[account] = accountBalance - amount; _totalSupply -= amount; emit Transfer(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); } }
{ "optimizer": { "enabled": true, "runs": 1000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } }, "metadata": { "useLiteralContent": true } }
Contract Security Audit
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[{"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":"_tokenAddress","type":"address"}],"name":"TokenAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_tokenAddress","type":"address"}],"name":"TokenRemoved","type":"event"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint256","name":"_decimals","type":"uint256"},{"internalType":"address","name":"_usdPriceContract","type":"address"},{"internalType":"bool","name":"_isStable","type":"bool"}],"name":"addToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getLengthTokenAddresses","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getListTokenAddresses","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"indexOfToken","outputs":[{"internalType":"bool","name":"found","type":"bool"},{"internalType":"uint256","name":"index","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"}],"name":"removeToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokenAddresses","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"tokens","outputs":[{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"decimals","type":"uint256"},{"internalType":"address","name":"usdPriceContract","type":"address"},{"internalType":"bool","name":"isStable","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Swarm Source
ipfs://b34a1a0fdfe7acfbc72826e9f687798a46b465b2177da1b79ba1987aa09c34c0
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.