Address Details
contract
0x6B21Af6aA0F656A4ea1b2Db85A676cF33E67711E
- Contract Name
- SpiralsStaking
- Creator
- 0xe1c46d–097af5 at 0xd9c9a9–013b4a
- Balance
- 0 CELO ( )
- Locked CELO Balance
- 0.05 CELO
- Voting CELO Balance
- 0.05 CELO
- Pending Unlocked Gold
- 0.00 CELO
- Tokens
-
Fetching tokens...
- Transactions
- 1 Transactions
- Transfers
- 2 Transfers
- Gas Used
- 271,847
- Last Balance Update
- 12379460
Transactions
Token Transfers
Internal Transactions
Coin Balance History
Logs
Celo Info
Code
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Write Contract
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- Contract name:
- SpiralsStaking
- Optimization enabled
- true
- Compiler version
- v0.8.10+commit.fc410830
- Optimization runs
- 200
- EVM Version
- london
- Verified at
- 2022-10-05T15:32:53.450389Z
src/SpiralsStaking.sol
// SPDX-License-Identifier: Apache-2.0 // https://docs.soliditylang.org/en/v0.8.10/style-guide.html pragma solidity ^0.8.10; import "@openzeppelin/contracts/utils/math/SafeMath.sol"; import "./IAccounts.sol"; import "./ILockedGold.sol"; import "./IElection.sol"; import "./IRegistry.sol"; import "./IValidators.sol"; contract SpiralsStaking { using SafeMath for uint256; address public validatorGroup; address public owner; uint256 public totalStaked; uint256 public lastVoteCastEpoch; IRegistry constant c_celoRegistry = IRegistry(0x000000000000000000000000000000000000ce10); event VotesCast( address indexed _address, address indexed _validatorGroup, uint256 indexed amount ); event VotesActivated( address indexed _validatorGroup, uint256 indexed amount ); event Unstake( address indexed _address, address indexed _validatorGroup, uint256 indexed amount ); constructor(address _validatorGroup) { validatorGroup = _validatorGroup; owner = msg.sender; require(getAccounts().createAccount(), "CREATE_ACCOUNT"); } /// @dev Modifier for checking whether function caller is `_owner`. modifier onlyOwner() { require(msg.sender == owner, "Only owner can call this function!"); _; } /* * STAKING */ /// @notice Main function for staking with Spirals protocol /// @dev function stake() external payable { require(msg.value != 0, "NO_VALUE_STAKED"); lock(msg.value); vote(msg.value); lastVoteCastEpoch = getElection().getEpochNumber(); // all pending -> active for this group emit VotesCast(msg.sender, validatorGroup, msg.value); } /// @dev Helper function for locking CELO function lock(uint256 _value) public { getLockedGold().lock{value: _value}(); } /// @dev Helper function for casting votes with a given validator group function vote(uint256 _value) public { (address lesser, address greater) = getLesserGreater(); require( !(lesser == address(0) && greater == address(0)), "NO_LESSER_GREATER" ); // Can't both be null address require( getElection().vote(validatorGroup, _value, lesser, greater), "VOTE_FAILED" ); } /// @dev Helper function for function getLesserGreater() public view returns (address, address) { (address[] memory validatorGroups, ) = getElection() .getTotalVotesForEligibleValidatorGroups(); // sorted by votes desc address lesser = address(0); address greater = address(0); for (uint256 i = 0; i < validatorGroups.length; i++) { if (validatorGroup == validatorGroups[i]) { if (i > 0) { greater = validatorGroups[i - 1]; } if (i < validatorGroups.length - 1) { lesser = validatorGroups[i + 1]; } break; } } return (lesser, greater); } /// @dev Activates pending votes (if ready) with a given validator group. function activate() external { IElection c_election = getElection(); require( c_election.hasActivatablePendingVotes( address(this), validatorGroup ), "NOT_READY_TO_ACTIVATE" ); uint256 pendingVotes = getElection().getPendingVotesForGroupByAccount( validatorGroup, address(this) ); require(c_election.activate(validatorGroup), "ACTIVATE_FAILED"); // all pending -> active for this group emit VotesActivated(validatorGroup, pendingVotes); } /* * UNSTAKING */ // function unstake() public {} // function revoke() public {} // function unlock() public {} // function withdraw() public {} /* * OTHER */ /// @notice For updating with validator group we stake with. Performs /// some simple checks to make sure address given is an eligible /// validator group (limited to 1 for now). function setValidatorGroup(address _newValidatorGroup) external onlyOwner { require( getValidators().isValidatorGroup(_newValidatorGroup), "NOT_VALIDATOR_GROUP" ); require( getElection().getGroupEligibility(_newValidatorGroup), "NOT_ELIGIBLE_VG" ); validatorGroup = _newValidatorGroup; } /// @notice Get active votes (staked + rewards) for this smart contract. function getRewards() public view returns (uint256) { uint256 activeVotes = getActiveVotes(); require(totalStaked >= activeVotes, "NEGATIVE_REWARDS"); return totalStaked - getActiveVotes(); } /// @notice Get active votes (staked + rewards) for this smart contract. function getActiveVotes() public view returns (uint256) { return getElection().getActiveVotesForGroupByAccount( validatorGroup, address(this) ); } /* * CELO SMART CONTRACT HELPERS */ /// @dev Returns a Accounts.sol interface for interacting with the smart contract. function getAccounts() internal view returns (IAccounts) { address accountsAddr = c_celoRegistry.getAddressForStringOrDie( "Accounts" ); return IAccounts(accountsAddr); } /// @dev Returns an Election.sol interface for interacting with the smart contract. function getElection() internal view returns (IElection) { address electionAddr = c_celoRegistry.getAddressForStringOrDie( "Election" ); return IElection(electionAddr); } /// @dev Returns a LockedGold.sol interface for interacting with the smart contract. function getLockedGold() internal view returns (ILockedGold) { address lockedGoldAddr = c_celoRegistry.getAddressForStringOrDie( "LockedGold" ); return ILockedGold(lockedGoldAddr); } /// @dev Returns a Validators.sol interface for interacting with the smart contract. function getValidators() internal view returns (IValidators) { address validatorsAddr = c_celoRegistry.getAddressForStringOrDie( "Validators" ); return IValidators(validatorsAddr); } }
/_openzeppelin/contracts/utils/math/SafeMath.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol) pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } }
/src/IAccounts.sol
// SPDX-License-Identifier: Apache-2.0 // https://github.com/celo-org/celo-monorepo/tree/master/packages/protocol/contracts/governance/interfaces/ILockedGold.sol pragma solidity >=0.5.13; interface IAccounts { function isAccount(address) external view returns (bool); function voteSignerToAccount(address) external view returns (address); function validatorSignerToAccount(address) external view returns (address); function attestationSignerToAccount(address) external view returns (address); function signerToAccount(address) external view returns (address); function getAttestationSigner(address) external view returns (address); function getValidatorSigner(address) external view returns (address); function getVoteSigner(address) external view returns (address); function hasAuthorizedVoteSigner(address) external view returns (bool); function hasAuthorizedValidatorSigner(address) external view returns (bool); function hasAuthorizedAttestationSigner(address) external view returns (bool); function setAccountDataEncryptionKey(bytes calldata) external; function setMetadataURL(string calldata) external; function setName(string calldata) external; function setWalletAddress( address, uint8, bytes32, bytes32 ) external; function setAccount( string calldata, bytes calldata, address, uint8, bytes32, bytes32 ) external; function getDataEncryptionKey(address) external view returns (bytes memory); function getWalletAddress(address) external view returns (address); function getMetadataURL(address) external view returns (string memory); function batchGetMetadataURL(address[] calldata) external view returns (uint256[] memory, bytes memory); function getName(address) external view returns (string memory); function authorizeVoteSigner( address, uint8, bytes32, bytes32 ) external; function authorizeValidatorSigner( address, uint8, bytes32, bytes32 ) external; function authorizeValidatorSignerWithPublicKey( address, uint8, bytes32, bytes32, bytes calldata ) external; function authorizeValidatorSignerWithKeys( address, uint8, bytes32, bytes32, bytes calldata, bytes calldata, bytes calldata ) external; function authorizeAttestationSigner( address, uint8, bytes32, bytes32 ) external; function createAccount() external returns (bool); function setPaymentDelegation(address, uint256) external; function getPaymentDelegation(address) external view returns (address, uint256); }
/src/IElection.sol
// SPDX-License-Identifier: Apache-2.0 // https://github.com/celo-org/celo-monorepo/tree/master/packages/protocol/contracts/governance/interfaces/IElection.sol pragma solidity >=0.5.13; interface IElection { function electValidatorSigners() external view returns (address[] memory); function electNValidatorSigners(uint256, uint256) external view returns (address[] memory); function vote( address, uint256, address, address ) external returns (bool); function activate(address) external returns (bool); function revokeActive( address, uint256, address, address, uint256 ) external returns (bool); function revokeAllActive( address, address, address, uint256 ) external returns (bool); function revokePending( address, uint256, address, address, uint256 ) external returns (bool); function markGroupIneligible(address) external; function markGroupEligible( address, address, address ) external; function forceDecrementVotes( address, uint256, address[] calldata, address[] calldata, uint256[] calldata ) external returns (uint256); // view functions function getEpochNumber() external view returns (uint256); function getElectableValidators() external view returns (uint256, uint256); function getElectabilityThreshold() external view returns (uint256); function getNumVotesReceivable(address) external view returns (uint256); function getTotalVotes() external view returns (uint256); function getActiveVotes() external view returns (uint256); function getTotalVotesByAccount(address) external view returns (uint256); function getPendingVotesForGroupByAccount(address, address) external view returns (uint256); function getActiveVotesForGroupByAccount(address, address) external view returns (uint256); function getTotalVotesForGroupByAccount(address, address) external view returns (uint256); function getActiveVoteUnitsForGroupByAccount(address, address) external view returns (uint256); function getTotalVotesForGroup(address) external view returns (uint256); function getActiveVotesForGroup(address) external view returns (uint256); function getPendingVotesForGroup(address) external view returns (uint256); function getGroupEligibility(address) external view returns (bool); function getGroupEpochRewards( address, uint256, uint256[] calldata ) external view returns (uint256); function getGroupsVotedForByAccount(address) external view returns (address[] memory); function getEligibleValidatorGroups() external view returns (address[] memory); function getTotalVotesForEligibleValidatorGroups() external view returns (address[] memory, uint256[] memory); function getCurrentValidatorSigners() external view returns (address[] memory); function canReceiveVotes(address, uint256) external view returns (bool); function hasActivatablePendingVotes(address, address) external view returns (bool); // only owner function setElectableValidators(uint256, uint256) external returns (bool); function setMaxNumGroupsVotedFor(uint256) external returns (bool); function setElectabilityThreshold(uint256) external returns (bool); // only VM function distributeEpochRewards( address, uint256, address, address ) external; event ElectableValidatorsSet(uint256 min, uint256 max); event MaxNumGroupsVotedForSet(uint256 maxNumGroupsVotedFor); event ElectabilityThresholdSet(uint256 electabilityThreshold); event ValidatorGroupMarkedEligible(address indexed group); event ValidatorGroupMarkedIneligible(address indexed group); event ValidatorGroupVoteCast( address indexed account, address indexed group, uint256 value ); event ValidatorGroupVoteActivated( address indexed account, address indexed group, uint256 value, uint256 units ); event ValidatorGroupPendingVoteRevoked( address indexed account, address indexed group, uint256 value ); event ValidatorGroupActiveVoteRevoked( address indexed account, address indexed group, uint256 value, uint256 units ); event EpochRewardsDistributedToVoters(address indexed group, uint256 value); }
/src/ILockedGold.sol
// SPDX-License-Identifier: Apache-2.0 // https://github.com/celo-org/celo-monorepo/tree/master/packages/protocol/contracts/governance/interfaces/ILockedGold.sol pragma solidity >=0.5.13; interface ILockedGold { function incrementNonvotingAccountBalance(address, uint256) external; function decrementNonvotingAccountBalance(address, uint256) external; function getAccountTotalLockedGold(address) external view returns (uint256); function getAccountNonvotingLockedGold(address) external view returns (uint256); function getTotalLockedGold() external view returns (uint256); function getPendingWithdrawals(address) external view returns (uint256[] memory, uint256[] memory); function getTotalPendingWithdrawals(address) external view returns (uint256); function lock() external payable; function unlock(uint256) external; function relock(uint256, uint256) external; function withdraw(uint256) external; function slash( address account, uint256 penalty, address reporter, uint256 reward, address[] calldata lessers, address[] calldata greaters, uint256[] calldata indices ) external; function isSlasher(address) external view returns (bool); }
/src/IRegistry.sol
// SPDX-License-Identifier: Apache-2.0 // https://docs.soliditylang.org/en/v0.8.10/style-guide.html pragma solidity >=0.8.0; interface IRegistry { function setAddressFor(string calldata, address) external; function getAddressForOrDie(bytes32) external view returns (address); function getAddressFor(bytes32) external view returns (address); function getAddressForStringOrDie(string calldata identifier) external view returns (address); function getAddressForString(string calldata identifier) external view returns (address); function isOneOf(bytes32[] calldata, address) external view returns (bool); }
/src/IValidators.sol
pragma solidity >=0.8.0; interface IValidators { function registerValidator( bytes calldata, bytes calldata, bytes calldata ) external returns (bool); function deregisterValidator(uint256) external returns (bool); function affiliate(address) external returns (bool); function deaffiliate() external returns (bool); function updateBlsPublicKey(bytes calldata, bytes calldata) external returns (bool); function registerValidatorGroup(uint256) external returns (bool); function deregisterValidatorGroup(uint256) external returns (bool); function addMember(address) external returns (bool); function addFirstMember( address, address, address ) external returns (bool); function removeMember(address) external returns (bool); function reorderMember( address, address, address ) external returns (bool); function updateCommission() external; function setNextCommissionUpdate(uint256) external; function resetSlashingMultiplier() external; // only owner function setCommissionUpdateDelay(uint256) external; function setMaxGroupSize(uint256) external returns (bool); function setMembershipHistoryLength(uint256) external returns (bool); function setValidatorScoreParameters(uint256, uint256) external returns (bool); function setGroupLockedGoldRequirements(uint256, uint256) external returns (bool); function setValidatorLockedGoldRequirements(uint256, uint256) external returns (bool); function setSlashingMultiplierResetPeriod(uint256) external; // view functions function getMaxGroupSize() external view returns (uint256); function getCommissionUpdateDelay() external view returns (uint256); function getValidatorScoreParameters() external view returns (uint256, uint256); function getMembershipHistory(address) external view returns ( uint256[] memory, address[] memory, uint256, uint256 ); function calculateEpochScore(uint256) external view returns (uint256); function calculateGroupEpochScore(uint256[] calldata) external view returns (uint256); function getAccountLockedGoldRequirement(address) external view returns (uint256); function meetsAccountLockedGoldRequirements(address) external view returns (bool); function getValidatorBlsPublicKeyFromSigner(address) external view returns (bytes memory); function getValidator(address account) external view returns ( bytes memory, bytes memory, address, uint256, address ); function getValidatorGroup(address) external view returns ( address[] memory, uint256, uint256, uint256, uint256[] memory, uint256, uint256 ); function getGroupNumMembers(address) external view returns (uint256); function getTopGroupValidators(address, uint256) external view returns (address[] memory); function getGroupsNumMembers(address[] calldata accounts) external view returns (uint256[] memory); function getNumRegisteredValidators() external view returns (uint256); function groupMembershipInEpoch( address, uint256, uint256 ) external view returns (address); // only registered contract function updateEcdsaPublicKey( address, address, bytes calldata ) external returns (bool); function updatePublicKeys( address, address, bytes calldata, bytes calldata, bytes calldata ) external returns (bool); function getValidatorLockedGoldRequirements() external view returns (uint256, uint256); function getGroupLockedGoldRequirements() external view returns (uint256, uint256); function getRegisteredValidators() external view returns (address[] memory); function getRegisteredValidatorSigners() external view returns (address[] memory); function getRegisteredValidatorGroups() external view returns (address[] memory); function isValidatorGroup(address) external view returns (bool); function isValidator(address) external view returns (bool); function getValidatorGroupSlashingMultiplier(address) external view returns (uint256); function getMembershipInLastEpoch(address) external view returns (address); function getMembershipInLastEpochFromSigner(address) external view returns (address); // only VM function updateValidatorScoreFromSigner(address, uint256) external; function distributeEpochPaymentsFromSigner(address, uint256) external returns (uint256); // only slasher function forceDeaffiliateIfValidator(address) external; function halveSlashingMultiplier(address) external; }
Contract ABI
[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"address","name":"_validatorGroup","internalType":"address"}]},{"type":"event","name":"Unstake","inputs":[{"type":"address","name":"_address","internalType":"address","indexed":true},{"type":"address","name":"_validatorGroup","internalType":"address","indexed":true},{"type":"uint256","name":"amount","internalType":"uint256","indexed":true}],"anonymous":false},{"type":"event","name":"VotesActivated","inputs":[{"type":"address","name":"_validatorGroup","internalType":"address","indexed":true},{"type":"uint256","name":"amount","internalType":"uint256","indexed":true}],"anonymous":false},{"type":"event","name":"VotesCast","inputs":[{"type":"address","name":"_address","internalType":"address","indexed":true},{"type":"address","name":"_validatorGroup","internalType":"address","indexed":true},{"type":"uint256","name":"amount","internalType":"uint256","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"activate","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getActiveVotes","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"},{"type":"address","name":"","internalType":"address"}],"name":"getLesserGreater","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getRewards","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"lastVoteCastEpoch","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"lock","inputs":[{"type":"uint256","name":"_value","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setValidatorGroup","inputs":[{"type":"address","name":"_newValidatorGroup","internalType":"address"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"stake","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"totalStaked","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"validatorGroup","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"vote","inputs":[{"type":"uint256","name":"_value","internalType":"uint256"}]}]
Contract Creation Code
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