{ "address": "0x7542565191d074cE84fBfA92cAE13AcB84788CA9", "abi": [ { "inputs": [ { "internalType": "contract AggregatorInterface", "name": "_usdOracle", "type": "address" }, { "internalType": "uint256[]", "name": "_rentPrices", "type": "uint256[]" }, { "internalType": "uint256", "name": "_startPremium", "type": "uint256" }, { "internalType": "uint256", "name": "totalDays", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256[]", "name": "prices", "type": "uint256[]" } ], "name": "RentPriceChanged", "type": "event" }, { "inputs": [ { "internalType": "uint256", "name": "startPremium", "type": "uint256" }, { "internalType": "uint256", "name": "elapsed", "type": "uint256" } ], "name": "decayedPremium", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "pure", "type": "function" }, { "inputs": [ { "internalType": "string", "name": "name", "type": "string" }, { "internalType": "uint256", "name": "expires", "type": "uint256" }, { "internalType": "uint256", "name": "duration", "type": "uint256" } ], "name": "premium", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "string", "name": "name", "type": "string" }, { "internalType": "uint256", "name": "expires", "type": "uint256" }, { "internalType": "uint256", "name": "duration", "type": "uint256" } ], "name": "price", "outputs": [ { "components": [ { "internalType": "uint256", "name": "base", "type": "uint256" }, { "internalType": "uint256", "name": "premium", "type": "uint256" } ], "internalType": "struct IPriceOracle.Price", "name": "", "type": "tuple" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "price1Letter", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "price2Letter", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "price3Letter", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "price4Letter", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "price5Letter", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes4", "name": "interfaceID", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "usdOracle", "outputs": [ { "internalType": "contract AggregatorInterface", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" } ], "transactionHash": "0x43313ffb3a380740b97684cb86870c2f4997fdbce0cd5f43e2968e5386da6a49", "receipt": { "to": null, "from": "0x0904Dac3347eA47d208F3Fd67402D039a3b99859", "contractAddress": "0x7542565191d074cE84fBfA92cAE13AcB84788CA9", "transactionIndex": 120, "gasUsed": "814592", "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", "blockHash": "0xc77b9fab0d14a3f99d522035a8b503722d7f09b1e391227192314df0808c42e5", "transactionHash": "0x43313ffb3a380740b97684cb86870c2f4997fdbce0cd5f43e2968e5386da6a49", "logs": [], "blockNumber": 16925617, "cumulativeGasUsed": "9210515", "status": 1, "byzantium": true }, "args": [ "0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419", [ 0, 0, "20294266869609", "5073566717402", "158548959919" ], "100000000000000000000000000", 21 ], "numDeployments": 1, "solcInputHash": "3fa59c31b7672c86eff32031f5a10f8a", "metadata": "{\"compiler\":{\"version\":\"0.8.17+commit.8df45f5f\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"contract AggregatorInterface\",\"name\":\"_usdOracle\",\"type\":\"address\"},{\"internalType\":\"uint256[]\",\"name\":\"_rentPrices\",\"type\":\"uint256[]\"},{\"internalType\":\"uint256\",\"name\":\"_startPremium\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"totalDays\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256[]\",\"name\":\"prices\",\"type\":\"uint256[]\"}],\"name\":\"RentPriceChanged\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"startPremium\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"elapsed\",\"type\":\"uint256\"}],\"name\":\"decayedPremium\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"name\",\"type\":\"string\"},{\"internalType\":\"uint256\",\"name\":\"expires\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"duration\",\"type\":\"uint256\"}],\"name\":\"premium\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"name\",\"type\":\"string\"},{\"internalType\":\"uint256\",\"name\":\"expires\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"duration\",\"type\":\"uint256\"}],\"name\":\"price\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"base\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"premium\",\"type\":\"uint256\"}],\"internalType\":\"struct IPriceOracle.Price\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"price1Letter\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"price2Letter\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"price3Letter\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"price4Letter\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"price5Letter\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceID\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"usdOracle\",\"outputs\":[{\"internalType\":\"contract AggregatorInterface\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"decayedPremium(uint256,uint256)\":{\"details\":\"Returns the premium price at current time elapsed\",\"params\":{\"elapsed\":\"time past since expiry\",\"startPremium\":\"starting price\"}},\"premium(string,uint256,uint256)\":{\"details\":\"Returns the pricing premium in wei.\"},\"price(string,uint256,uint256)\":{\"details\":\"Returns the price to register or renew a name.\",\"params\":{\"duration\":\"How long the name is being registered or extended for, in seconds.\",\"expires\":\"When the name presently expires (0 if this is a new registration).\",\"name\":\"The name being registered or renewed.\"},\"returns\":{\"_0\":\"base premium tuple of base price + premium price\"}}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/ethregistrar/ExponentialPremiumPriceOracle.sol\":\"ExponentialPremiumPriceOracle\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":1300},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/Ownable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\\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 _transferOwnership(_msgSender());\\n }\\n\\n /**\\n * @dev Throws if called by any account other than the owner.\\n */\\n modifier onlyOwner() {\\n _checkOwner();\\n _;\\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 the sender is not the owner.\\n */\\n function _checkOwner() internal view virtual {\\n require(owner() == _msgSender(), \\\"Ownable: caller is not the owner\\\");\\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 _transferOwnership(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 _transferOwnership(newOwner);\\n }\\n\\n /**\\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n * Internal function without access restriction.\\n */\\n function _transferOwnership(address newOwner) internal virtual {\\n address oldOwner = _owner;\\n _owner = newOwner;\\n emit OwnershipTransferred(oldOwner, newOwner);\\n }\\n}\\n\",\"keccak256\":\"0xa94b34880e3c1b0b931662cb1c09e5dfa6662f31cba80e07c5ee71cd135c9673\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Context.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\\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\":\"0xe2e337e6dde9ef6b680e07338c493ebea1b5fd09b43424112868e9cc1706bca7\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\\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\":\"0x447a5f3ddc18419d41ff92b3773fb86471b1db25773e07f877f548918a185bf1\",\"license\":\"MIT\"},\"contracts/ethregistrar/ExponentialPremiumPriceOracle.sol\":{\"content\":\"//SPDX-License-Identifier: MIT\\npragma solidity ~0.8.17;\\n\\nimport \\\"./StablePriceOracle.sol\\\";\\n\\ncontract ExponentialPremiumPriceOracle is StablePriceOracle {\\n uint256 constant GRACE_PERIOD = 90 days;\\n uint256 immutable startPremium;\\n uint256 immutable endValue;\\n\\n constructor(\\n AggregatorInterface _usdOracle,\\n uint256[] memory _rentPrices,\\n uint256 _startPremium,\\n uint256 totalDays\\n ) StablePriceOracle(_usdOracle, _rentPrices) {\\n startPremium = _startPremium;\\n endValue = _startPremium >> totalDays;\\n }\\n\\n uint256 constant PRECISION = 1e18;\\n uint256 constant bit1 = 999989423469314432; // 0.5 ^ 1/65536 * (10 ** 18)\\n uint256 constant bit2 = 999978847050491904; // 0.5 ^ 2/65536 * (10 ** 18)\\n uint256 constant bit3 = 999957694548431104;\\n uint256 constant bit4 = 999915390886613504;\\n uint256 constant bit5 = 999830788931929088;\\n uint256 constant bit6 = 999661606496243712;\\n uint256 constant bit7 = 999323327502650752;\\n uint256 constant bit8 = 998647112890970240;\\n uint256 constant bit9 = 997296056085470080;\\n uint256 constant bit10 = 994599423483633152;\\n uint256 constant bit11 = 989228013193975424;\\n uint256 constant bit12 = 978572062087700096;\\n uint256 constant bit13 = 957603280698573696;\\n uint256 constant bit14 = 917004043204671232;\\n uint256 constant bit15 = 840896415253714560;\\n uint256 constant bit16 = 707106781186547584;\\n\\n /**\\n * @dev Returns the pricing premium in internal base units.\\n */\\n function _premium(\\n string memory,\\n uint256 expires,\\n uint256\\n ) internal view override returns (uint256) {\\n expires = expires + GRACE_PERIOD;\\n if (expires > block.timestamp) {\\n return 0;\\n }\\n\\n uint256 elapsed = block.timestamp - expires;\\n uint256 premium = decayedPremium(startPremium, elapsed);\\n if (premium >= endValue) {\\n return premium - endValue;\\n }\\n return 0;\\n }\\n\\n /**\\n * @dev Returns the premium price at current time elapsed\\n * @param startPremium starting price\\n * @param elapsed time past since expiry\\n */\\n function decayedPremium(\\n uint256 startPremium,\\n uint256 elapsed\\n ) public pure returns (uint256) {\\n uint256 daysPast = (elapsed * PRECISION) / 1 days;\\n uint256 intDays = daysPast / PRECISION;\\n uint256 premium = startPremium >> intDays;\\n uint256 partDay = (daysPast - intDays * PRECISION);\\n uint256 fraction = (partDay * (2 ** 16)) / PRECISION;\\n uint256 totalPremium = addFractionalPremium(fraction, premium);\\n return totalPremium;\\n }\\n\\n function addFractionalPremium(\\n uint256 fraction,\\n uint256 premium\\n ) internal pure returns (uint256) {\\n if (fraction & (1 << 0) != 0) {\\n premium = (premium * bit1) / PRECISION;\\n }\\n if (fraction & (1 << 1) != 0) {\\n premium = (premium * bit2) / PRECISION;\\n }\\n if (fraction & (1 << 2) != 0) {\\n premium = (premium * bit3) / PRECISION;\\n }\\n if (fraction & (1 << 3) != 0) {\\n premium = (premium * bit4) / PRECISION;\\n }\\n if (fraction & (1 << 4) != 0) {\\n premium = (premium * bit5) / PRECISION;\\n }\\n if (fraction & (1 << 5) != 0) {\\n premium = (premium * bit6) / PRECISION;\\n }\\n if (fraction & (1 << 6) != 0) {\\n premium = (premium * bit7) / PRECISION;\\n }\\n if (fraction & (1 << 7) != 0) {\\n premium = (premium * bit8) / PRECISION;\\n }\\n if (fraction & (1 << 8) != 0) {\\n premium = (premium * bit9) / PRECISION;\\n }\\n if (fraction & (1 << 9) != 0) {\\n premium = (premium * bit10) / PRECISION;\\n }\\n if (fraction & (1 << 10) != 0) {\\n premium = (premium * bit11) / PRECISION;\\n }\\n if (fraction & (1 << 11) != 0) {\\n premium = (premium * bit12) / PRECISION;\\n }\\n if (fraction & (1 << 12) != 0) {\\n premium = (premium * bit13) / PRECISION;\\n }\\n if (fraction & (1 << 13) != 0) {\\n premium = (premium * bit14) / PRECISION;\\n }\\n if (fraction & (1 << 14) != 0) {\\n premium = (premium * bit15) / PRECISION;\\n }\\n if (fraction & (1 << 15) != 0) {\\n premium = (premium * bit16) / PRECISION;\\n }\\n return premium;\\n }\\n\\n function supportsInterface(\\n bytes4 interfaceID\\n ) public view virtual override returns (bool) {\\n return super.supportsInterface(interfaceID);\\n }\\n}\\n\",\"keccak256\":\"0x09149a39e7660d65873e5160971cf0904630b266cbec4f02721dad0aad28320b\",\"license\":\"MIT\"},\"contracts/ethregistrar/IPriceOracle.sol\":{\"content\":\"//SPDX-License-Identifier: MIT\\npragma solidity >=0.8.17 <0.9.0;\\n\\ninterface IPriceOracle {\\n struct Price {\\n uint256 base;\\n uint256 premium;\\n }\\n\\n /**\\n * @dev Returns the price to register or renew a name.\\n * @param name The name being registered or renewed.\\n * @param expires When the name presently expires (0 if this is a new registration).\\n * @param duration How long the name is being registered or extended for, in seconds.\\n * @return base premium tuple of base price + premium price\\n */\\n function price(\\n string calldata name,\\n uint256 expires,\\n uint256 duration\\n ) external view returns (Price calldata);\\n}\\n\",\"keccak256\":\"0x1ec537b4c7f9cc40363b39dcc7ade8c29bf94662e6b01d38e681487637bd577e\",\"license\":\"MIT\"},\"contracts/ethregistrar/StablePriceOracle.sol\":{\"content\":\"//SPDX-License-Identifier: MIT\\npragma solidity ~0.8.17;\\n\\nimport \\\"./IPriceOracle.sol\\\";\\nimport \\\"./StringUtils.sol\\\";\\nimport \\\"@openzeppelin/contracts/access/Ownable.sol\\\";\\nimport \\\"@openzeppelin/contracts/utils/introspection/IERC165.sol\\\";\\n\\ninterface AggregatorInterface {\\n function latestAnswer() external view returns (int256);\\n}\\n\\n// StablePriceOracle sets a price in USD, based on an oracle.\\ncontract StablePriceOracle is IPriceOracle {\\n using StringUtils for *;\\n\\n // Rent in base price units by length\\n uint256 public immutable price1Letter;\\n uint256 public immutable price2Letter;\\n uint256 public immutable price3Letter;\\n uint256 public immutable price4Letter;\\n uint256 public immutable price5Letter;\\n\\n // Oracle address\\n AggregatorInterface public immutable usdOracle;\\n\\n event RentPriceChanged(uint256[] prices);\\n\\n constructor(AggregatorInterface _usdOracle, uint256[] memory _rentPrices) {\\n usdOracle = _usdOracle;\\n price1Letter = _rentPrices[0];\\n price2Letter = _rentPrices[1];\\n price3Letter = _rentPrices[2];\\n price4Letter = _rentPrices[3];\\n price5Letter = _rentPrices[4];\\n }\\n\\n function price(\\n string calldata name,\\n uint256 expires,\\n uint256 duration\\n ) external view override returns (IPriceOracle.Price memory) {\\n uint256 len = name.strlen();\\n uint256 basePrice;\\n\\n if (len >= 5) {\\n basePrice = price5Letter * duration;\\n } else if (len == 4) {\\n basePrice = price4Letter * duration;\\n } else if (len == 3) {\\n basePrice = price3Letter * duration;\\n } else if (len == 2) {\\n basePrice = price2Letter * duration;\\n } else {\\n basePrice = price1Letter * duration;\\n }\\n\\n return\\n IPriceOracle.Price({\\n base: attoUSDToWei(basePrice),\\n premium: attoUSDToWei(_premium(name, expires, duration))\\n });\\n }\\n\\n /**\\n * @dev Returns the pricing premium in wei.\\n */\\n function premium(\\n string calldata name,\\n uint256 expires,\\n uint256 duration\\n ) external view returns (uint256) {\\n return attoUSDToWei(_premium(name, expires, duration));\\n }\\n\\n /**\\n * @dev Returns the pricing premium in internal base units.\\n */\\n function _premium(\\n string memory name,\\n uint256 expires,\\n uint256 duration\\n ) internal view virtual returns (uint256) {\\n return 0;\\n }\\n\\n function attoUSDToWei(uint256 amount) internal view returns (uint256) {\\n uint256 ethPrice = uint256(usdOracle.latestAnswer());\\n return (amount * 1e8) / ethPrice;\\n }\\n\\n function weiToAttoUSD(uint256 amount) internal view returns (uint256) {\\n uint256 ethPrice = uint256(usdOracle.latestAnswer());\\n return (amount * ethPrice) / 1e8;\\n }\\n\\n function supportsInterface(\\n bytes4 interfaceID\\n ) public view virtual returns (bool) {\\n return\\n interfaceID == type(IERC165).interfaceId ||\\n interfaceID == type(IPriceOracle).interfaceId;\\n }\\n}\\n\",\"keccak256\":\"0x23a3d1eb3021080f20eb5f6af941b2d29a5d252a0a6119ba74f595da9c1ae1d6\",\"license\":\"MIT\"},\"contracts/ethregistrar/StringUtils.sol\":{\"content\":\"pragma solidity >=0.8.4;\\n\\nlibrary StringUtils {\\n /**\\n * @dev Returns the length of a given string\\n *\\n * @param s The string to measure the length of\\n * @return The length of the input string\\n */\\n function strlen(string memory s) internal pure returns (uint256) {\\n uint256 len;\\n uint256 i = 0;\\n uint256 bytelength = bytes(s).length;\\n for (len = 0; i < bytelength; len++) {\\n bytes1 b = bytes(s)[i];\\n if (b < 0x80) {\\n i += 1;\\n } else if (b < 0xE0) {\\n i += 2;\\n } else if (b < 0xF0) {\\n i += 3;\\n } else if (b < 0xF8) {\\n i += 4;\\n } else if (b < 0xFC) {\\n i += 5;\\n } else {\\n i += 6;\\n }\\n }\\n return len;\\n }\\n}\\n\",\"keccak256\":\"0x4cc8363a850dc9130c433ee50e7c97e29a45ae5d9bd0808205ac7134b34f24e4\"}},\"version\":1}", "bytecode": 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"devdoc": { "kind": "dev", "methods": { "decayedPremium(uint256,uint256)": { "details": "Returns the premium price at current time elapsed", "params": { "elapsed": "time past since expiry", "startPremium": "starting price" } }, "premium(string,uint256,uint256)": { "details": "Returns the pricing premium in wei." }, "price(string,uint256,uint256)": { "details": "Returns the price to register or renew a name.", "params": { "duration": "How long the name is being registered or extended for, in seconds.", "expires": "When the name presently expires (0 if this is a new registration).", "name": "The name being registered or renewed." }, "returns": { "_0": "base premium tuple of base price + premium price" } } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 }, "storageLayout": { "storage": [], "types": null } }