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Contract Name:
RocketNetworkSnapshots
Compiler Version
v0.8.18+commit.87f61d96
Contract Source Code (Solidity Standard Json-Input format)
/** * . * / \ * |.'.| * |'.'| * ,'| |`. * |,-'-|-'-.| * __|_| | _ _ _____ _ * | ___ \| | | | | | ___ \ | | * | |_/ /|__ ___| | _____| |_ | |_/ /__ ___ | | * | // _ \ / __| |/ / _ \ __| | __/ _ \ / _ \| | * | |\ \ (_) | (__| < __/ |_ | | | (_) | (_) | | * \_| \_\___/ \___|_|\_\___|\__| \_| \___/ \___/|_| * +---------------------------------------------------+ * | DECENTRALISED STAKING PROTOCOL FOR ETHEREUM 2.0 | * +---------------------------------------------------+ * * Rocket Pool is a first-of-its-kind ETH2 Proof of Stake protocol, designed to be community owned, * decentralised, trustless and compatible with staking in Ethereum 2.0. * * For more information about Rocket Pool, visit https://rocketpool.net * * Authors: David Rugendyke, Jake Pospischil, Kane Wallmann, Darren Langley, Joe Clapis, Nick Doherty * */ // SPDX-License-Identifier: MIT // Copyright (c) 2016-2023 zOS Global Limited and contributors // Adapted from OpenZeppelin `Checkpoints` contract pragma solidity 0.8.18; import "@openzeppelin4/contracts/utils/math/Math.sol"; import "../RocketBase.sol"; import "../../interface/network/RocketNetworkSnapshotsInterface.sol"; /// @notice Accounting for snapshotting of values based on block numbers contract RocketNetworkSnapshots is RocketBase, RocketNetworkSnapshotsInterface { constructor(RocketStorageInterface _rocketStorageAddress) RocketBase(_rocketStorageAddress) { // Set contract version version = 1; } function push(bytes32 _key, uint224 _value) onlyLatestContract("rocketNetworkSnapshots", address(this)) onlyLatestNetworkContract external { _insert(_key, _value); } function length(bytes32 _key) public view returns (uint256) { return rocketStorage.getUint(keccak256(abi.encodePacked("snapshot.length", _key))); } function latest(bytes32 _key) external view returns (bool, uint32, uint224) { uint256 len = length(_key); if (len == 0) { return (false, 0, 0); } Checkpoint224 memory checkpoint = _load(_key, len - 1); return (true, checkpoint._block, checkpoint._value); } function latestBlock(bytes32 _key) external view returns (uint32) { uint256 len = length(_key); return len == 0 ? 0 : _blockAt(_key, len - 1); } function latestValue(bytes32 _key) external view returns (uint224) { uint256 len = length(_key); return len == 0 ? 0 : _valueAt(_key, len - 1); } function lookup(bytes32 _key, uint32 _block) external view returns (uint224) { uint256 len = length(_key); uint256 pos = _binaryLookup(_key, _block, 0, len); return pos == 0 ? 0 : _valueAt(_key, pos - 1); } function lookupRecent(bytes32 _key, uint32 _block, uint256 _recency) external view returns (uint224) { uint256 len = length(_key); uint256 low = 0; uint256 high = len; if (len > 5 && len > _recency) { uint256 mid = len - _recency; if (_block < _blockAt(_key, mid)) { high = mid; } else { low = mid + 1; } } uint256 pos = _binaryLookup(_key, _block, low, high); return pos == 0 ? 0 : _valueAt(_key, pos - 1); } function _insert(bytes32 _key, uint224 _value) private { uint32 blockNumber = uint32(block.number); uint256 pos = length(_key); if (pos > 0) { Checkpoint224 memory last = _load(_key, pos - 1); // Checkpoint keys must be non-decreasing. require (last._block <= blockNumber, "Unordered snapshot insertion"); // Update or push new checkpoint if (last._block == blockNumber) { last._value = _value; _set(_key, pos - 1, last); } else { _push(_key, Checkpoint224({_block: blockNumber, _value: _value})); } } else { _push(_key, Checkpoint224({_block: blockNumber, _value: _value})); } } function _binaryLookup( bytes32 _key, uint32 _block, uint256 _low, uint256 _high ) private view returns (uint256) { while (_low < _high) { uint256 mid = Math.average(_low, _high); if (_blockAt(_key, mid) > _block) { _high = mid; } else { _low = mid + 1; } } return _high; } function _load(bytes32 _key, uint256 _pos) private view returns (Checkpoint224 memory) { bytes32 key = bytes32(uint256(_key) + _pos); bytes32 raw = rocketStorage.getBytes32(key); Checkpoint224 memory result; result._block = uint32(uint256(raw) >> 224); result._value = uint224(uint256(raw)); return result; } function _blockAt(bytes32 _key, uint256 _pos) private view returns (uint32) { bytes32 key = bytes32(uint256(_key) + _pos); bytes32 raw = rocketStorage.getBytes32(key); return uint32(uint256(raw) >> 224); } function _valueAt(bytes32 _key, uint256 _pos) private view returns (uint224) { bytes32 key = bytes32(uint256(_key) + _pos); bytes32 raw = rocketStorage.getBytes32(key); return uint224(uint256(raw)); } function _push(bytes32 _key, Checkpoint224 memory _item) private { bytes32 lengthKey = keccak256(abi.encodePacked("snapshot.length", _key)); uint256 snapshotLength = rocketStorage.getUint(lengthKey); bytes32 key = bytes32(uint256(_key) + snapshotLength); rocketStorage.setUint(lengthKey, snapshotLength + 1); rocketStorage.setBytes32(key, _encode(_item)); } function _set(bytes32 _key, uint256 _pos, Checkpoint224 memory _item) private { bytes32 key = bytes32(uint256(_key) + _pos); rocketStorage.setBytes32(key, _encode(_item)); } function _encode(Checkpoint224 memory _item) private pure returns (bytes32) { return bytes32( uint256(_item._block) << 224 | uint256(_item._value) ); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1, "Math: mulDiv overflow"); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0); } } }
/** * . * / \ * |.'.| * |'.'| * ,'| |`. * |,-'-|-'-.| * __|_| | _ _ _____ _ * | ___ \| | | | | | ___ \ | | * | |_/ /|__ ___| | _____| |_ | |_/ /__ ___ | | * | // _ \ / __| |/ / _ \ __| | __/ _ \ / _ \| | * | |\ \ (_) | (__| < __/ |_ | | | (_) | (_) | | * \_| \_\___/ \___|_|\_\___|\__| \_| \___/ \___/|_| * +---------------------------------------------------+ * | DECENTRALISED STAKING PROTOCOL FOR ETHEREUM 2.0 | * +---------------------------------------------------+ * * Rocket Pool is a first-of-its-kind ETH2 Proof of Stake protocol, designed to be community owned, * decentralised, trustless and compatible with staking in Ethereum 2.0. * * For more information about Rocket Pool, visit https://rocketpool.net * * Authors: David Rugendyke, Jake Pospischil, Kane Wallmann, Darren Langley, Joe Clapis, Nick Doherty * */ pragma solidity >0.5.0 <0.9.0; // SPDX-License-Identifier: GPL-3.0-only interface RocketStorageInterface { // Deploy status function getDeployedStatus() external view returns (bool); // Guardian function getGuardian() external view returns(address); function setGuardian(address _newAddress) external; function confirmGuardian() external; // Getters function getAddress(bytes32 _key) external view returns (address); function getUint(bytes32 _key) external view returns (uint); function getString(bytes32 _key) external view returns (string memory); function getBytes(bytes32 _key) external view returns (bytes memory); function getBool(bytes32 _key) external view returns (bool); function getInt(bytes32 _key) external view returns (int); function getBytes32(bytes32 _key) external view returns (bytes32); // Setters function setAddress(bytes32 _key, address _value) external; function setUint(bytes32 _key, uint _value) external; function setString(bytes32 _key, string calldata _value) external; function setBytes(bytes32 _key, bytes calldata _value) external; function setBool(bytes32 _key, bool _value) external; function setInt(bytes32 _key, int _value) external; function setBytes32(bytes32 _key, bytes32 _value) external; // Deleters function deleteAddress(bytes32 _key) external; function deleteUint(bytes32 _key) external; function deleteString(bytes32 _key) external; function deleteBytes(bytes32 _key) external; function deleteBool(bytes32 _key) external; function deleteInt(bytes32 _key) external; function deleteBytes32(bytes32 _key) external; // Arithmetic function addUint(bytes32 _key, uint256 _amount) external; function subUint(bytes32 _key, uint256 _amount) external; // Protected storage function getNodeWithdrawalAddress(address _nodeAddress) external view returns (address); function getNodePendingWithdrawalAddress(address _nodeAddress) external view returns (address); function setWithdrawalAddress(address _nodeAddress, address _newWithdrawalAddress, bool _confirm) external; function confirmWithdrawalAddress(address _nodeAddress) external; }
/** * . * / \ * |.'.| * |'.'| * ,'| |`. * |,-'-|-'-.| * __|_| | _ _ _____ _ * | ___ \| | | | | | ___ \ | | * | |_/ /|__ ___| | _____| |_ | |_/ /__ ___ | | * | // _ \ / __| |/ / _ \ __| | __/ _ \ / _ \| | * | |\ \ (_) | (__| < __/ |_ | | | (_) | (_) | | * \_| \_\___/ \___|_|\_\___|\__| \_| \___/ \___/|_| * +---------------------------------------------------+ * | DECENTRALISED STAKING PROTOCOL FOR ETHEREUM 2.0 | * +---------------------------------------------------+ * * Rocket Pool is a first-of-its-kind ETH2 Proof of Stake protocol, designed to be community owned, * decentralised, trustless and compatible with staking in Ethereum 2.0. * * For more information about Rocket Pool, visit https://rocketpool.net * * Authors: David Rugendyke, Jake Pospischil, Kane Wallmann, Darren Langley, Joe Clapis, Nick Doherty * */ pragma solidity >0.5.0 <0.9.0; // SPDX-License-Identifier: GPL-3.0-only import "../interface/RocketStorageInterface.sol"; /// @title Base settings / modifiers for each contract in Rocket Pool /// @author David Rugendyke abstract contract RocketBase { // Calculate using this as the base uint256 constant calcBase = 1 ether; // Version of the contract uint8 public version; // The main storage contract where primary persistant storage is maintained RocketStorageInterface rocketStorage = RocketStorageInterface(address(0)); /*** Modifiers **********************************************************/ /** * @dev Throws if called by any sender that doesn't match a Rocket Pool network contract */ modifier onlyLatestNetworkContract() { require(getBool(keccak256(abi.encodePacked("contract.exists", msg.sender))), "Invalid or outdated network contract"); _; } /** * @dev Throws if called by any sender that doesn't match one of the supplied contract or is the latest version of that contract */ modifier onlyLatestContract(string memory _contractName, address _contractAddress) { require(_contractAddress == getAddress(keccak256(abi.encodePacked("contract.address", _contractName))), "Invalid or outdated contract"); _; } /** * @dev Throws if called by any sender that isn't a registered node */ modifier onlyRegisteredNode(address _nodeAddress) { require(getBool(keccak256(abi.encodePacked("node.exists", _nodeAddress))), "Invalid node"); _; } /** * @dev Throws if called by any sender that isn't a trusted node DAO member */ modifier onlyTrustedNode(address _nodeAddress) { require(getBool(keccak256(abi.encodePacked("dao.trustednodes.", "member", _nodeAddress))), "Invalid trusted node"); _; } /** * @dev Throws if called by any sender that isn't a registered minipool */ modifier onlyRegisteredMinipool(address _minipoolAddress) { require(getBool(keccak256(abi.encodePacked("minipool.exists", _minipoolAddress))), "Invalid minipool"); _; } /** * @dev Throws if called by any account other than a guardian account (temporary account allowed access to settings before DAO is fully enabled) */ modifier onlyGuardian() { require(msg.sender == rocketStorage.getGuardian(), "Account is not a temporary guardian"); _; } /*** Methods **********************************************************/ /// @dev Set the main Rocket Storage address constructor(RocketStorageInterface _rocketStorageAddress) { // Update the contract address rocketStorage = RocketStorageInterface(_rocketStorageAddress); } /// @dev Get the address of a network contract by name function getContractAddress(string memory _contractName) internal view returns (address) { // Get the current contract address address contractAddress = getAddress(keccak256(abi.encodePacked("contract.address", _contractName))); // Check it require(contractAddress != address(0x0), "Contract not found"); // Return return contractAddress; } /// @dev Get the address of a network contract by name (returns address(0x0) instead of reverting if contract does not exist) function getContractAddressUnsafe(string memory _contractName) internal view returns (address) { // Get the current contract address address contractAddress = getAddress(keccak256(abi.encodePacked("contract.address", _contractName))); // Return return contractAddress; } /// @dev Get the name of a network contract by address function getContractName(address _contractAddress) internal view returns (string memory) { // Get the contract name string memory contractName = getString(keccak256(abi.encodePacked("contract.name", _contractAddress))); // Check it require(bytes(contractName).length > 0, "Contract not found"); // Return return contractName; } /// @dev Get revert error message from a .call method function getRevertMsg(bytes memory _returnData) internal pure returns (string memory) { // If the _res length is less than 68, then the transaction failed silently (without a revert message) if (_returnData.length < 68) return "Transaction reverted silently"; assembly { // Slice the sighash. _returnData := add(_returnData, 0x04) } return abi.decode(_returnData, (string)); // All that remains is the revert string } /*** Rocket Storage Methods ****************************************/ // Note: Unused helpers have been removed to keep contract sizes down /// @dev Storage get methods function getAddress(bytes32 _key) internal view returns (address) { return rocketStorage.getAddress(_key); } function getUint(bytes32 _key) internal view returns (uint) { return rocketStorage.getUint(_key); } function getString(bytes32 _key) internal view returns (string memory) { return rocketStorage.getString(_key); } function getBytes(bytes32 _key) internal view returns (bytes memory) { return rocketStorage.getBytes(_key); } function getBool(bytes32 _key) internal view returns (bool) { return rocketStorage.getBool(_key); } function getInt(bytes32 _key) internal view returns (int) { return rocketStorage.getInt(_key); } function getBytes32(bytes32 _key) internal view returns (bytes32) { return rocketStorage.getBytes32(_key); } /// @dev Storage set methods function setAddress(bytes32 _key, address _value) internal { rocketStorage.setAddress(_key, _value); } function setUint(bytes32 _key, uint _value) internal { rocketStorage.setUint(_key, _value); } function setString(bytes32 _key, string memory _value) internal { rocketStorage.setString(_key, _value); } function setBytes(bytes32 _key, bytes memory _value) internal { rocketStorage.setBytes(_key, _value); } function setBool(bytes32 _key, bool _value) internal { rocketStorage.setBool(_key, _value); } function setInt(bytes32 _key, int _value) internal { rocketStorage.setInt(_key, _value); } function setBytes32(bytes32 _key, bytes32 _value) internal { rocketStorage.setBytes32(_key, _value); } /// @dev Storage delete methods function deleteAddress(bytes32 _key) internal { rocketStorage.deleteAddress(_key); } function deleteUint(bytes32 _key) internal { rocketStorage.deleteUint(_key); } function deleteString(bytes32 _key) internal { rocketStorage.deleteString(_key); } function deleteBytes(bytes32 _key) internal { rocketStorage.deleteBytes(_key); } function deleteBool(bytes32 _key) internal { rocketStorage.deleteBool(_key); } function deleteInt(bytes32 _key) internal { rocketStorage.deleteInt(_key); } function deleteBytes32(bytes32 _key) internal { rocketStorage.deleteBytes32(_key); } /// @dev Storage arithmetic methods function addUint(bytes32 _key, uint256 _amount) internal { rocketStorage.addUint(_key, _amount); } function subUint(bytes32 _key, uint256 _amount) internal { rocketStorage.subUint(_key, _amount); } }
/** * . * / \ * |.'.| * |'.'| * ,'| |`. * |,-'-|-'-.| * __|_| | _ _ _____ _ * | ___ \| | | | | | ___ \ | | * | |_/ /|__ ___| | _____| |_ | |_/ /__ ___ | | * | // _ \ / __| |/ / _ \ __| | __/ _ \ / _ \| | * | |\ \ (_) | (__| < __/ |_ | | | (_) | (_) | | * \_| \_\___/ \___|_|\_\___|\__| \_| \___/ \___/|_| * +---------------------------------------------------+ * | DECENTRALISED STAKING PROTOCOL FOR ETHEREUM 2.0 | * +---------------------------------------------------+ * * Rocket Pool is a first-of-its-kind ETH2 Proof of Stake protocol, designed to be community owned, * decentralised, trustless and compatible with staking in Ethereum 2.0. * * For more information about Rocket Pool, visit https://rocketpool.net * * Authors: David Rugendyke, Jake Pospischil, Kane Wallmann, Darren Langley, Joe Clapis, Nick Doherty * */ // SPDX-License-Identifier: GPL-3.0-only pragma solidity >0.5.0 <0.9.0; struct Checkpoint224 { uint32 _block; uint224 _value; } /// @notice Accounting for snapshotting of values based on block numbers interface RocketNetworkSnapshotsInterface { function push(bytes32 _key, uint224 _value) external; function length(bytes32 _key) external view returns (uint256); function latest(bytes32 _key) external view returns (bool, uint32, uint224); function latestBlock(bytes32 _key) external view returns (uint32); function latestValue(bytes32 _key) external view returns (uint224); function lookup(bytes32 _key, uint32 _block) external view returns (uint224); function lookupRecent(bytes32 _key, uint32 _block, uint256 _recency) external view returns (uint224); }
{ "optimizer": { "enabled": true, "runs": 15000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
[{"inputs":[{"internalType":"contract RocketStorageInterface","name":"_rocketStorageAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"}],"name":"latest","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"uint32","name":"","type":"uint32"},{"internalType":"uint224","name":"","type":"uint224"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"}],"name":"latestBlock","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"}],"name":"latestValue","outputs":[{"internalType":"uint224","name":"","type":"uint224"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"}],"name":"length","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"},{"internalType":"uint32","name":"_block","type":"uint32"}],"name":"lookup","outputs":[{"internalType":"uint224","name":"","type":"uint224"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"},{"internalType":"uint32","name":"_block","type":"uint32"},{"internalType":"uint256","name":"_recency","type":"uint256"}],"name":"lookupRecent","outputs":[{"internalType":"uint224","name":"","type":"uint224"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"},{"internalType":"uint224","name":"_value","type":"uint224"}],"name":"push","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000594Fb75D3dc2DFa0150Ad03F99F97817747dd4E1
-----Decoded View---------------
Arg [0] : _rocketStorageAddress (address): 0x594Fb75D3dc2DFa0150Ad03F99F97817747dd4E1
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000594Fb75D3dc2DFa0150Ad03F99F97817747dd4E1
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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.