Overview
CELO Balance
0 CELO
CELO Value
$0.00More Info
Private Name Tags
ContractCreator:
TokenTracker
Multichain Info
N/A
Latest 21 from a total of 21 transactions
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Transfer And Cal... | 17382478 | 429 days ago | IN | 0 CELO | 0.00006264 | ||||
Approve | 16681827 | 470 days ago | IN | 0 CELO | 0.00002304 | ||||
Transfer And Cal... | 16513861 | 480 days ago | IN | 0 CELO | 0.00006228 | ||||
Transfer And Cal... | 16414691 | 485 days ago | IN | 0 CELO | 0.00009773 | ||||
Mint | 16312844 | 491 days ago | IN | 0 CELO | 0.00009434 | ||||
Mint | 16312843 | 491 days ago | IN | 0 CELO | 0.00006906 | ||||
Approve | 16304605 | 492 days ago | IN | 0 CELO | 0.00002303 | ||||
Transfer And Cal... | 16062117 | 506 days ago | IN | 0 CELO | 0.00005284 | ||||
Transfer And Cal... | 16062104 | 506 days ago | IN | 0 CELO | 0.00004648 | ||||
Transfer And Cal... | 16061792 | 506 days ago | IN | 0 CELO | 0.00000895 | ||||
Mint | 16055217 | 506 days ago | IN | 0 CELO | 0.00009434 | ||||
Mint | 16055216 | 506 days ago | IN | 0 CELO | 0.00006906 | ||||
Mint | 16032509 | 508 days ago | IN | 0 CELO | 0.00009504 | ||||
Mint | 16032507 | 508 days ago | IN | 0 CELO | 0.00006906 | ||||
Mint | 16030781 | 508 days ago | IN | 0 CELO | 0.00006486 | ||||
Mint | 16028517 | 508 days ago | IN | 0 CELO | 0.00009434 | ||||
Transfer And Cal... | 15900585 | 515 days ago | IN | 0 CELO | 0.00006161 | ||||
Transfer And Cal... | 15900086 | 515 days ago | IN | 0 CELO | 0.00011868 | ||||
Mint | 15202760 | 556 days ago | IN | 0 CELO | 0.00000885 | ||||
Mint | 15167912 | 558 days ago | IN | 0 CELO | 0.00000885 | ||||
Mint | 15165965 | 558 days ago | IN | 0 CELO | 0.00001122 |
Latest 1 internal transaction
Parent Txn Hash | Block | From | To | Value | ||
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15165691 | 558 days ago | Contract Creation | 0 CELO |
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Contract Name:
GoodDollar
Compiler Version
v0.5.16+commit.9c3226ce
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
pragma solidity >0.5.4; import "../identity/IdentityGuard.sol"; import "../dao/schemes/FormulaHolder.sol"; import "./ERC677BridgeToken.sol"; /** * @title The GoodDollar ERC677 token contract */ contract GoodDollar is ERC677BridgeToken, IdentityGuard, FormulaHolder { address feeRecipient; // Overrides hard-coded decimal in DAOToken uint256 public constant decimals = 2; /** * @dev constructor * @param _name The name of the token * @param _symbol The symbol of the token * @param _cap the cap of the token. no cap if 0 * @param _formula the fee formula contract * @param _identity the identity contract * @param _feeRecipient the address that receives transaction fees */ constructor( string memory _name, string memory _symbol, uint256 _cap, AbstractFees _formula, Identity _identity, address _feeRecipient ) public ERC677BridgeToken(_name, _symbol, _cap) IdentityGuard(_identity) FormulaHolder(_formula) { feeRecipient = _feeRecipient; } /** * @dev Processes fees from given value and sends * remainder to given address * @param to the address to be sent to * @param value the value to be processed and then * transferred * @return a boolean that indicates if the operation was successful */ function transfer(address to, uint256 value) public returns (bool) { uint256 bruttoValue = processFees(msg.sender, to, value); return super.transfer(to, bruttoValue); } /** * @dev Approve the passed address to spend the specified * amount of tokens on behalf of msg.sender * @param spender The address which will spend the funds * @param value The amount of tokens to be spent * @return a boolean that indicates if the operation was successful */ function approve(address spender, uint256 value) public returns (bool) { return super.approve(spender, value); } /** * @dev Transfer tokens from one address to another * @param from The address which you want to send tokens from * @param to The address which you want to transfer to * @param value the amount of tokens to be transferred * @return a boolean that indicates if the operation was successful */ function transferFrom( address from, address to, uint256 value ) public returns (bool) { uint256 bruttoValue = processFees(from, to, value); return super.transferFrom(from, to, bruttoValue); } /** * @dev Processes transfer fees and calls ERC677Token transferAndCall function * @param to address to transfer to * @param value the amount to transfer * @param data The data to pass to transferAndCall * @return a bool indicating if transfer function succeeded */ function transferAndCall( address to, uint256 value, bytes calldata data ) external returns (bool) { uint256 bruttoValue = processFees(msg.sender, to, value); return super._transferAndCall(to, bruttoValue, data); } /** * @dev Minting function * @param to the address that will receive the minted tokens * @param value the amount of tokens to mint * @return a boolean that indicated if the operation was successful */ function mint(address to, uint256 value) public onlyMinter requireNotBlacklisted(to) returns (bool) { if (cap > 0) { require(totalSupply().add(value) <= cap, "Cannot increase supply beyond cap"); } super._mint(to, value); return true; } /** * @dev Burns a specific amount of tokens. * @param value The amount of token to be burned. */ function burn(uint256 value) public onlyNotBlacklisted { super.burn(value); } /** * @dev Burns a specific amount of tokens from the target address and decrements allowance * @param from address The address which you want to send tokens from * @param value uint256 The amount of token to be burned */ function burnFrom(address from, uint256 value) public onlyNotBlacklisted requireNotBlacklisted(from) { super.burnFrom(from, value); } /** * @dev Increase the amount of tokens that an owner allows a spender * @param spender The address which will spend the funds * @param addedValue The amount of tokens to increase the allowance by * @return a boolean that indicated if the operation was successful */ function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { return super.increaseAllowance(spender, addedValue); } /** * @dev Decrease the amount of tokens that an owner allowed to a spender * @param spender The address which will spend the funds * @param subtractedValue The amount of tokens to decrease the allowance by * @return a boolean that indicated if the operation was successful */ function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { return super.decreaseAllowance(spender, subtractedValue); } /** * @dev Gets the current transaction fees * @return an uint256 that represents * the current transaction fees */ function getFees(uint256 value) public view returns (uint256, bool) { return formula.getTxFees(value, address(0), address(0)); } /** * @dev Gets the current transaction fees * @return an uint256 that represents * the current transaction fees */ function getFees( uint256 value, address sender, address recipient ) public view returns (uint256, bool) { return formula.getTxFees(value, sender, recipient); } /** * @dev Sets the address that receives the transactional fees. * can only be called by owner * @param _feeRecipient The new address to receive transactional fees */ function setFeeRecipient(address _feeRecipient) public onlyOwner { feeRecipient = _feeRecipient; } /** * @dev Sends transactional fees to feeRecipient address from given address * @param account The account that sends the fees * @param value The amount to subtract fees from * @return an uint256 that represents the given value minus the transactional fees */ function processFees( address account, address recipient, uint256 value ) internal returns (uint256) { (uint256 txFees, bool senderPays) = getFees(value, account, recipient); if (txFees > 0 && !identity.isDAOContract(msg.sender)) { require( senderPays == false || value.add(txFees) <= balanceOf(account), "Not enough balance to pay TX fee" ); if (account == msg.sender) { super.transfer(feeRecipient, txFees); } else { super.transferFrom(account, feeRecipient, txFees); } return senderPays ? value : value.sub(txFees); } return value; } }
pragma solidity ^0.5.0; /** * Utility library of inline functions on addresses */ library Address { /** * Returns whether the target address is a contract * @dev This function will return false if invoked during the constructor of a contract, * as the code is not actually created until after the constructor finishes. * @param account address of the account to check * @return whether the target address is a contract */ function isContract(address account) internal view returns (bool) { uint256 size; // XXX Currently there is no better way to check if there is a contract in an address // than to check the size of the code at that address. // See https://ethereum.stackexchange.com/a/14016/36603 // for more details about how this works. // TODO Check this again before the Serenity release, because all addresses will be // contracts then. // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } }
pragma solidity ^0.5.0; /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ interface IERC20 { function transfer(address to, uint256 value) external returns (bool); function approve(address spender, uint256 value) external returns (bool); function transferFrom(address from, address to, uint256 value) external returns (bool); function totalSupply() external view returns (uint256); function balanceOf(address who) external view returns (uint256); function allowance(address owner, address spender) external view returns (uint256); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); }
pragma solidity ^0.5.0; import "./ERC20.sol"; import "../../lifecycle/Pausable.sol"; /** * @title Pausable token * @dev ERC20 modified with pausable transfers. **/ contract ERC20Pausable is ERC20, Pausable { function transfer(address to, uint256 value) public whenNotPaused returns (bool) { return super.transfer(to, value); } function transferFrom(address from, address to, uint256 value) public whenNotPaused returns (bool) { return super.transferFrom(from, to, value); } function approve(address spender, uint256 value) public whenNotPaused returns (bool) { return super.approve(spender, value); } function increaseAllowance(address spender, uint addedValue) public whenNotPaused returns (bool success) { return super.increaseAllowance(spender, addedValue); } function decreaseAllowance(address spender, uint subtractedValue) public whenNotPaused returns (bool success) { return super.decreaseAllowance(spender, subtractedValue); } }
pragma solidity ^0.5.0; import "./ERC20.sol"; /** * @title Burnable Token * @dev Token that can be irreversibly burned (destroyed). */ contract ERC20Burnable is ERC20 { /** * @dev Burns a specific amount of tokens. * @param value The amount of token to be burned. */ function burn(uint256 value) public { _burn(msg.sender, value); } /** * @dev Burns a specific amount of tokens from the target address and decrements allowance * @param from address The address which you want to send tokens from * @param value uint256 The amount of token to be burned */ function burnFrom(address from, uint256 value) public { _burnFrom(from, value); } }
pragma solidity ^0.5.0; import "./IERC20.sol"; import "../../math/SafeMath.sol"; /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md * Originally based on code by FirstBlood: * https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol * * This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for * all accounts just by listening to said events. Note that this isn't required by the specification, and other * compliant implementations may not do it. */ contract ERC20 is IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowed; uint256 private _totalSupply; /** * @dev Total number of tokens in existence */ function totalSupply() public view returns (uint256) { return _totalSupply; } /** * @dev Gets the balance of the specified address. * @param owner The address to query the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address owner) public view returns (uint256) { return _balances[owner]; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param owner address The address which owns the funds. * @param spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address owner, address spender) public view returns (uint256) { return _allowed[owner][spender]; } /** * @dev Transfer token for a specified address * @param to The address to transfer to. * @param value The amount to be transferred. */ function transfer(address to, uint256 value) public returns (bool) { _transfer(msg.sender, to, value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * 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 * @param spender The address which will spend the funds. * @param value The amount of tokens to be spent. */ function approve(address spender, uint256 value) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = value; emit Approval(msg.sender, spender, value); return true; } /** * @dev Transfer tokens from one address to another. * Note that while this function emits an Approval event, this is not required as per the specification, * and other compliant implementations may not emit the event. * @param from address The address which you want to send tokens from * @param to address The address which you want to transfer to * @param value uint256 the amount of tokens to be transferred */ function transferFrom(address from, address to, uint256 value) public returns (bool) { _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value); _transfer(from, to, value); emit Approval(from, msg.sender, _allowed[from][msg.sender]); return true; } /** * @dev Increase the amount of tokens that an owner allowed to a spender. * approve should be called when allowed_[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * Emits an Approval event. * @param spender The address which will spend the funds. * @param addedValue The amount of tokens to increase the allowance by. */ function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed_[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * Emits an Approval event. * @param spender The address which will spend the funds. * @param subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } /** * @dev Transfer token for a specified addresses * @param from The address to transfer from. * @param to The address to transfer to. * @param value The amount to be transferred. */ function _transfer(address from, address to, uint256 value) internal { require(to != address(0)); _balances[from] = _balances[from].sub(value); _balances[to] = _balances[to].add(value); emit Transfer(from, to, value); } /** * @dev Internal function that mints an amount of the token and assigns it to * an account. This encapsulates the modification of balances such that the * proper events are emitted. * @param account The account that will receive the created tokens. * @param value The amount that will be created. */ function _mint(address account, uint256 value) internal { require(account != address(0)); _totalSupply = _totalSupply.add(value); _balances[account] = _balances[account].add(value); emit Transfer(address(0), account, value); } /** * @dev Internal function that burns an amount of the token of a given * account. * @param account The account whose tokens will be burnt. * @param value The amount that will be burnt. */ function _burn(address account, uint256 value) internal { require(account != address(0)); _totalSupply = _totalSupply.sub(value); _balances[account] = _balances[account].sub(value); emit Transfer(account, address(0), value); } /** * @dev Internal function that burns an amount of the token of a given * account, deducting from the sender's allowance for said account. Uses the * internal burn function. * Emits an Approval event (reflecting the reduced allowance). * @param account The account whose tokens will be burnt. * @param value The amount that will be burnt. */ function _burnFrom(address account, uint256 value) internal { _allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value); _burn(account, value); emit Approval(account, msg.sender, _allowed[account][msg.sender]); } }
pragma solidity ^0.5.0; /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor () internal { _owner = msg.sender; emit OwnershipTransferred(address(0), _owner); } /** * @return the address of the owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(isOwner()); _; } /** * @return true if `msg.sender` is the owner of the contract. */ function isOwner() public view returns (bool) { return msg.sender == _owner; } /** * @dev Allows the current owner to relinquish control of the contract. * @notice Renouncing to ownership will leave the contract without an owner. * It will not be possible to call the functions with the `onlyOwner` * modifier anymore. */ function renounceOwnership() public onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { _transferOwnership(newOwner); } /** * @dev Transfers control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function _transferOwnership(address newOwner) internal { require(newOwner != address(0)); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } }
pragma solidity ^0.5.0; /** * @title SafeMath * @dev Unsigned math operations with safety checks that revert on error */ library SafeMath { /** * @dev Multiplies two unsigned integers, reverts on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // 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-solidity/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b); return c; } /** * @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a); uint256 c = a - b; return c; } /** * @dev Adds two unsigned integers, reverts on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a); return c; } /** * @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo), * reverts when dividing by zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0); return a % b; } }
pragma solidity ^0.5.0; import "../access/roles/PauserRole.sol"; /** * @title Pausable * @dev Base contract which allows children to implement an emergency stop mechanism. */ contract Pausable is PauserRole { event Paused(address account); event Unpaused(address account); bool private _paused; constructor () internal { _paused = false; } /** * @return true if the contract is paused, false otherwise. */ function paused() public view returns (bool) { return _paused; } /** * @dev Modifier to make a function callable only when the contract is not paused. */ modifier whenNotPaused() { require(!_paused); _; } /** * @dev Modifier to make a function callable only when the contract is paused. */ modifier whenPaused() { require(_paused); _; } /** * @dev called by the owner to pause, triggers stopped state */ function pause() public onlyPauser whenNotPaused { _paused = true; emit Paused(msg.sender); } /** * @dev called by the owner to unpause, returns to normal state */ function unpause() public onlyPauser whenPaused { _paused = false; emit Unpaused(msg.sender); } }
pragma solidity ^0.5.0; import "../Roles.sol"; contract PauserRole { using Roles for Roles.Role; event PauserAdded(address indexed account); event PauserRemoved(address indexed account); Roles.Role private _pausers; constructor () internal { _addPauser(msg.sender); } modifier onlyPauser() { require(isPauser(msg.sender)); _; } function isPauser(address account) public view returns (bool) { return _pausers.has(account); } function addPauser(address account) public onlyPauser { _addPauser(account); } function renouncePauser() public { _removePauser(msg.sender); } function _addPauser(address account) internal { _pausers.add(account); emit PauserAdded(account); } function _removePauser(address account) internal { _pausers.remove(account); emit PauserRemoved(account); } }
pragma solidity ^0.5.0; import "../Roles.sol"; contract MinterRole { using Roles for Roles.Role; event MinterAdded(address indexed account); event MinterRemoved(address indexed account); Roles.Role private _minters; constructor () internal { _addMinter(msg.sender); } modifier onlyMinter() { require(isMinter(msg.sender)); _; } function isMinter(address account) public view returns (bool) { return _minters.has(account); } function addMinter(address account) public onlyMinter { _addMinter(account); } function renounceMinter() public { _removeMinter(msg.sender); } function _addMinter(address account) internal { _minters.add(account); emit MinterAdded(account); } function _removeMinter(address account) internal { _minters.remove(account); emit MinterRemoved(account); } }
pragma solidity ^0.5.0; /** * @title Roles * @dev Library for managing addresses assigned to a Role. */ library Roles { struct Role { mapping (address => bool) bearer; } /** * @dev give an account access to this role */ function add(Role storage role, address account) internal { require(account != address(0)); require(!has(role, account)); role.bearer[account] = true; } /** * @dev remove an account's access to this role */ function remove(Role storage role, address account) internal { require(account != address(0)); require(has(role, account)); role.bearer[account] = false; } /** * @dev check if an account has this role * @return bool */ function has(Role storage role, address account) internal view returns (bool) { require(account != address(0)); return role.bearer[account]; } }
pragma solidity ^0.5.4; import "openzeppelin-solidity/contracts/ownership/Ownable.sol"; /** * @title Reputation system * @dev A DAO has Reputation System which allows peers to rate other peers in order to build trust . * A reputation is use to assign influence measure to a DAO'S peers. * Reputation is similar to regular tokens but with one crucial difference: It is non-transferable. * The Reputation contract maintain a map of address to reputation value. * It provides an onlyOwner functions to mint and burn reputation _to (or _from) a specific address. */ contract Reputation is Ownable { uint8 public decimals = 18; //Number of decimals of the smallest unit // Event indicating minting of reputation to an address. event Mint(address indexed _to, uint256 _amount); // Event indicating burning of reputation for an address. event Burn(address indexed _from, uint256 _amount); /// @dev `Checkpoint` is the structure that attaches a block number to a /// given value, the block number attached is the one that last changed the /// value struct Checkpoint { // `fromBlock` is the block number that the value was generated from uint128 fromBlock; // `value` is the amount of reputation at a specific block number uint128 value; } // `balances` is the map that tracks the balance of each address, in this // contract when the balance changes the block number that the change // occurred is also included in the map mapping (address => Checkpoint[]) balances; // Tracks the history of the `totalSupply` of the reputation Checkpoint[] totalSupplyHistory; /// @notice Constructor to create a Reputation constructor( ) public { } /// @dev This function makes it easy to get the total number of reputation /// @return The total number of reputation function totalSupply() public view returns (uint256) { return totalSupplyAt(block.number); } //////////////// // Query balance and totalSupply in History //////////////// /** * @dev return the reputation amount of a given owner * @param _owner an address of the owner which we want to get his reputation */ function balanceOf(address _owner) public view returns (uint256 balance) { return balanceOfAt(_owner, block.number); } /// @dev Queries the balance of `_owner` at a specific `_blockNumber` /// @param _owner The address from which the balance will be retrieved /// @param _blockNumber The block number when the balance is queried /// @return The balance at `_blockNumber` function balanceOfAt(address _owner, uint256 _blockNumber) public view returns (uint256) { if ((balances[_owner].length == 0) || (balances[_owner][0].fromBlock > _blockNumber)) { return 0; // This will return the expected balance during normal situations } else { return getValueAt(balances[_owner], _blockNumber); } } /// @notice Total amount of reputation at a specific `_blockNumber`. /// @param _blockNumber The block number when the totalSupply is queried /// @return The total amount of reputation at `_blockNumber` function totalSupplyAt(uint256 _blockNumber) public view returns(uint256) { if ((totalSupplyHistory.length == 0) || (totalSupplyHistory[0].fromBlock > _blockNumber)) { return 0; // This will return the expected totalSupply during normal situations } else { return getValueAt(totalSupplyHistory, _blockNumber); } } /// @notice Generates `_amount` reputation that are assigned to `_owner` /// @param _user The address that will be assigned the new reputation /// @param _amount The quantity of reputation generated /// @return True if the reputation are generated correctly function mint(address _user, uint256 _amount) public onlyOwner returns (bool) { uint256 curTotalSupply = totalSupply(); require(curTotalSupply + _amount >= curTotalSupply); // Check for overflow uint256 previousBalanceTo = balanceOf(_user); require(previousBalanceTo + _amount >= previousBalanceTo); // Check for overflow updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount); updateValueAtNow(balances[_user], previousBalanceTo + _amount); emit Mint(_user, _amount); return true; } /// @notice Burns `_amount` reputation from `_owner` /// @param _user The address that will lose the reputation /// @param _amount The quantity of reputation to burn /// @return True if the reputation are burned correctly function burn(address _user, uint256 _amount) public onlyOwner returns (bool) { uint256 curTotalSupply = totalSupply(); uint256 amountBurned = _amount; uint256 previousBalanceFrom = balanceOf(_user); if (previousBalanceFrom < amountBurned) { amountBurned = previousBalanceFrom; } updateValueAtNow(totalSupplyHistory, curTotalSupply - amountBurned); updateValueAtNow(balances[_user], previousBalanceFrom - amountBurned); emit Burn(_user, amountBurned); return true; } //////////////// // Internal helper functions to query and set a value in a snapshot array //////////////// /// @dev `getValueAt` retrieves the number of reputation at a given block number /// @param checkpoints The history of values being queried /// @param _block The block number to retrieve the value at /// @return The number of reputation being queried function getValueAt(Checkpoint[] storage checkpoints, uint256 _block) internal view returns (uint256) { if (checkpoints.length == 0) { return 0; } // Shortcut for the actual value if (_block >= checkpoints[checkpoints.length-1].fromBlock) { return checkpoints[checkpoints.length-1].value; } if (_block < checkpoints[0].fromBlock) { return 0; } // Binary search of the value in the array uint256 min = 0; uint256 max = checkpoints.length-1; while (max > min) { uint256 mid = (max + min + 1) / 2; if (checkpoints[mid].fromBlock<=_block) { min = mid; } else { max = mid-1; } } return checkpoints[min].value; } /// @dev `updateValueAtNow` used to update the `balances` map and the /// `totalSupplyHistory` /// @param checkpoints The history of data being updated /// @param _value The new number of reputation function updateValueAtNow(Checkpoint[] storage checkpoints, uint256 _value) internal { require(uint128(_value) == _value); //check value is in the 128 bits bounderies if ((checkpoints.length == 0) || (checkpoints[checkpoints.length - 1].fromBlock < block.number)) { Checkpoint storage newCheckPoint = checkpoints[checkpoints.length++]; newCheckPoint.fromBlock = uint128(block.number); newCheckPoint.value = uint128(_value); } else { Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1]; oldCheckPoint.value = uint128(_value); } } }
/* SafeERC20 by daostack. The code is based on a fix by SECBIT Team. USE WITH CAUTION & NO WARRANTY REFERENCE & RELATED READING - https://github.com/ethereum/solidity/issues/4116 - https://medium.com/@chris_77367/explaining-unexpected-reverts-starting-with-solidity-0-4-22-3ada6e82308c - https://medium.com/coinmonks/missing-return-value-bug-at-least-130-tokens-affected-d67bf08521ca - https://gist.github.com/BrendanChou/88a2eeb80947ff00bcf58ffdafeaeb61 */ pragma solidity ^0.5.4; import "openzeppelin-solidity/contracts/utils/Address.sol"; import "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol"; library SafeERC20 { using Address for address; bytes4 constant private TRANSFER_SELECTOR = bytes4(keccak256(bytes("transfer(address,uint256)"))); bytes4 constant private TRANSFERFROM_SELECTOR = bytes4(keccak256(bytes("transferFrom(address,address,uint256)"))); bytes4 constant private APPROVE_SELECTOR = bytes4(keccak256(bytes("approve(address,uint256)"))); function safeTransfer(address _erc20Addr, address _to, uint256 _value) internal { // Must be a contract addr first! require(_erc20Addr.isContract()); (bool success, bytes memory returnValue) = // solhint-disable-next-line avoid-low-level-calls _erc20Addr.call(abi.encodeWithSelector(TRANSFER_SELECTOR, _to, _value)); // call return false when something wrong require(success); //check return value require(returnValue.length == 0 || (returnValue.length == 32 && (returnValue[31] != 0))); } function safeTransferFrom(address _erc20Addr, address _from, address _to, uint256 _value) internal { // Must be a contract addr first! require(_erc20Addr.isContract()); (bool success, bytes memory returnValue) = // solhint-disable-next-line avoid-low-level-calls _erc20Addr.call(abi.encodeWithSelector(TRANSFERFROM_SELECTOR, _from, _to, _value)); // call return false when something wrong require(success); //check return value require(returnValue.length == 0 || (returnValue.length == 32 && (returnValue[31] != 0))); } function safeApprove(address _erc20Addr, address _spender, uint256 _value) internal { // Must be a contract addr first! require(_erc20Addr.isContract()); // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. require((_value == 0) || (IERC20(_erc20Addr).allowance(address(this), _spender) == 0)); (bool success, bytes memory returnValue) = // solhint-disable-next-line avoid-low-level-calls _erc20Addr.call(abi.encodeWithSelector(APPROVE_SELECTOR, _spender, _value)); // call return false when something wrong require(success); //check return value require(returnValue.length == 0 || (returnValue.length == 32 && (returnValue[31] != 0))); } }
pragma solidity ^0.5.4; contract GlobalConstraintInterface { enum CallPhase { Pre, Post, PreAndPost } function pre( address _scheme, bytes32 _params, bytes32 _method ) public returns(bool); function post( address _scheme, bytes32 _params, bytes32 _method ) public returns(bool); /** * @dev when return if this globalConstraints is pre, post or both. * @return CallPhase enum indication Pre, Post or PreAndPost. */ function when() public returns(CallPhase); }
pragma solidity ^0.5.4; import "openzeppelin-solidity/contracts/token/ERC20/ERC20Burnable.sol"; import "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol"; import "openzeppelin-solidity/contracts/ownership/Ownable.sol"; /** * @title DAOToken, base on zeppelin contract. * @dev ERC20 compatible token. It is a mintable, burnable token. */ contract DAOToken is ERC20, ERC20Burnable, Ownable { string public name; string public symbol; // solhint-disable-next-line const-name-snakecase uint8 public constant decimals = 18; uint256 public cap; /** * @dev Constructor * @param _name - token name * @param _symbol - token symbol * @param _cap - token cap - 0 value means no cap */ constructor(string memory _name, string memory _symbol, uint256 _cap) public { name = _name; symbol = _symbol; cap = _cap; } /** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. */ function mint(address _to, uint256 _amount) public onlyOwner returns (bool) { if (cap > 0) require(totalSupply().add(_amount) <= cap); _mint(_to, _amount); return true; } }
pragma solidity ^0.5.4; import "./Avatar.sol"; import "../globalConstraints/GlobalConstraintInterface.sol"; /** * @title Controller contract * @dev A controller controls the organizations tokens ,reputation and avatar. * It is subject to a set of schemes and constraints that determine its behavior. * Each scheme has it own parameters and operation permissions. */ interface ControllerInterface { /** * @dev Mint `_amount` of reputation that are assigned to `_to` . * @param _amount amount of reputation to mint * @param _to beneficiary address * @return bool which represents a success */ function mintReputation(uint256 _amount, address _to, address _avatar) external returns(bool); /** * @dev Burns `_amount` of reputation from `_from` * @param _amount amount of reputation to burn * @param _from The address that will lose the reputation * @return bool which represents a success */ function burnReputation(uint256 _amount, address _from, address _avatar) external returns(bool); /** * @dev mint tokens . * @param _amount amount of token to mint * @param _beneficiary beneficiary address * @param _avatar address * @return bool which represents a success */ function mintTokens(uint256 _amount, address _beneficiary, address _avatar) external returns(bool); /** * @dev register or update a scheme * @param _scheme the address of the scheme * @param _paramsHash a hashed configuration of the usage of the scheme * @param _permissions the permissions the new scheme will have * @param _avatar address * @return bool which represents a success */ function registerScheme(address _scheme, bytes32 _paramsHash, bytes4 _permissions, address _avatar) external returns(bool); /** * @dev unregister a scheme * @param _avatar address * @param _scheme the address of the scheme * @return bool which represents a success */ function unregisterScheme(address _scheme, address _avatar) external returns(bool); /** * @dev unregister the caller's scheme * @param _avatar address * @return bool which represents a success */ function unregisterSelf(address _avatar) external returns(bool); /** * @dev add or update Global Constraint * @param _globalConstraint the address of the global constraint to be added. * @param _params the constraint parameters hash. * @param _avatar the avatar of the organization * @return bool which represents a success */ function addGlobalConstraint(address _globalConstraint, bytes32 _params, address _avatar) external returns(bool); /** * @dev remove Global Constraint * @param _globalConstraint the address of the global constraint to be remove. * @param _avatar the organization avatar. * @return bool which represents a success */ function removeGlobalConstraint (address _globalConstraint, address _avatar) external returns(bool); /** * @dev upgrade the Controller * The function will trigger an event 'UpgradeController'. * @param _newController the address of the new controller. * @param _avatar address * @return bool which represents a success */ function upgradeController(address _newController, Avatar _avatar) external returns(bool); /** * @dev perform a generic call to an arbitrary contract * @param _contract the contract's address to call * @param _data ABI-encoded contract call to call `_contract` address. * @param _avatar the controller's avatar address * @param _value value (ETH) to transfer with the transaction * @return bool -success * bytes - the return value of the called _contract's function. */ function genericCall(address _contract, bytes calldata _data, Avatar _avatar, uint256 _value) external returns(bool, bytes memory); /** * @dev send some ether * @param _amountInWei the amount of ether (in Wei) to send * @param _to address of the beneficiary * @param _avatar address * @return bool which represents a success */ function sendEther(uint256 _amountInWei, address payable _to, Avatar _avatar) external returns(bool); /** * @dev send some amount of arbitrary ERC20 Tokens * @param _externalToken the address of the Token Contract * @param _to address of the beneficiary * @param _value the amount of ether (in Wei) to send * @param _avatar address * @return bool which represents a success */ function externalTokenTransfer(IERC20 _externalToken, address _to, uint256 _value, Avatar _avatar) external returns(bool); /** * @dev transfer token "from" address "to" address * One must to approve the amount of tokens which can be spend from the * "from" account.This can be done using externalTokenApprove. * @param _externalToken the address of the Token Contract * @param _from address of the account to send from * @param _to address of the beneficiary * @param _value the amount of ether (in Wei) to send * @param _avatar address * @return bool which represents a success */ function externalTokenTransferFrom( IERC20 _externalToken, address _from, address _to, uint256 _value, Avatar _avatar) external returns(bool); /** * @dev externalTokenApproval approve the spender address to spend a specified amount of tokens * on behalf of msg.sender. * @param _externalToken the address of the Token Contract * @param _spender address * @param _value the amount of ether (in Wei) which the approval is referring to. * @return bool which represents a success */ function externalTokenApproval(IERC20 _externalToken, address _spender, uint256 _value, Avatar _avatar) external returns(bool); /** * @dev metaData emits an event with a string, should contain the hash of some meta data. * @param _metaData a string representing a hash of the meta data * @param _avatar Avatar * @return bool which represents a success */ function metaData(string calldata _metaData, Avatar _avatar) external returns(bool); /** * @dev getNativeReputation * @param _avatar the organization avatar. * @return organization native reputation */ function getNativeReputation(address _avatar) external view returns(address); function isSchemeRegistered( address _scheme, address _avatar) external view returns(bool); function getSchemeParameters(address _scheme, address _avatar) external view returns(bytes32); function getGlobalConstraintParameters(address _globalConstraint, address _avatar) external view returns(bytes32); function getSchemePermissions(address _scheme, address _avatar) external view returns(bytes4); /** * @dev globalConstraintsCount return the global constraint pre and post count * @return uint256 globalConstraintsPre count. * @return uint256 globalConstraintsPost count. */ function globalConstraintsCount(address _avatar) external view returns(uint, uint); function isGlobalConstraintRegistered(address _globalConstraint, address _avatar) external view returns(bool); }
pragma solidity ^0.5.4; import "@daostack/infra/contracts/Reputation.sol"; import "./DAOToken.sol"; import "openzeppelin-solidity/contracts/ownership/Ownable.sol"; import "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol"; import "../libs/SafeERC20.sol"; /** * @title An Avatar holds tokens, reputation and ether for a controller */ contract Avatar is Ownable { using SafeERC20 for address; string public orgName; DAOToken public nativeToken; Reputation public nativeReputation; event GenericCall(address indexed _contract, bytes _data, uint _value, bool _success); event SendEther(uint256 _amountInWei, address indexed _to); event ExternalTokenTransfer(address indexed _externalToken, address indexed _to, uint256 _value); event ExternalTokenTransferFrom(address indexed _externalToken, address _from, address _to, uint256 _value); event ExternalTokenApproval(address indexed _externalToken, address _spender, uint256 _value); event ReceiveEther(address indexed _sender, uint256 _value); event MetaData(string _metaData); /** * @dev the constructor takes organization name, native token and reputation system and creates an avatar for a controller */ constructor(string memory _orgName, DAOToken _nativeToken, Reputation _nativeReputation) public { orgName = _orgName; nativeToken = _nativeToken; nativeReputation = _nativeReputation; } /** * @dev enables an avatar to receive ethers */ function() external payable { emit ReceiveEther(msg.sender, msg.value); } /** * @dev perform a generic call to an arbitrary contract * @param _contract the contract's address to call * @param _data ABI-encoded contract call to call `_contract` address. * @param _value value (ETH) to transfer with the transaction * @return bool success or fail * bytes - the return bytes of the called contract's function. */ function genericCall(address _contract, bytes memory _data, uint256 _value) public onlyOwner returns(bool success, bytes memory returnValue) { // solhint-disable-next-line avoid-call-value (success, returnValue) = _contract.call.value(_value)(_data); emit GenericCall(_contract, _data, _value, success); } /** * @dev send ethers from the avatar's wallet * @param _amountInWei amount to send in Wei units * @param _to send the ethers to this address * @return bool which represents success */ function sendEther(uint256 _amountInWei, address payable _to) public onlyOwner returns(bool) { _to.transfer(_amountInWei); emit SendEther(_amountInWei, _to); return true; } /** * @dev external token transfer * @param _externalToken the token contract * @param _to the destination address * @param _value the amount of tokens to transfer * @return bool which represents success */ function externalTokenTransfer(IERC20 _externalToken, address _to, uint256 _value) public onlyOwner returns(bool) { address(_externalToken).safeTransfer(_to, _value); emit ExternalTokenTransfer(address(_externalToken), _to, _value); return true; } /** * @dev external token transfer from a specific account * @param _externalToken the token contract * @param _from the account to spend token from * @param _to the destination address * @param _value the amount of tokens to transfer * @return bool which represents success */ function externalTokenTransferFrom( IERC20 _externalToken, address _from, address _to, uint256 _value ) public onlyOwner returns(bool) { address(_externalToken).safeTransferFrom(_from, _to, _value); emit ExternalTokenTransferFrom(address(_externalToken), _from, _to, _value); return true; } /** * @dev externalTokenApproval approve the spender address to spend a specified amount of tokens * on behalf of msg.sender. * @param _externalToken the address of the Token Contract * @param _spender address * @param _value the amount of ether (in Wei) which the approval is referring to. * @return bool which represents a success */ function externalTokenApproval(IERC20 _externalToken, address _spender, uint256 _value) public onlyOwner returns(bool) { address(_externalToken).safeApprove(_spender, _value); emit ExternalTokenApproval(address(_externalToken), _spender, _value); return true; } /** * @dev metaData emits an event with a string, should contain the hash of some meta data. * @param _metaData a string representing a hash of the meta data * @return bool which represents a success */ function metaData(string memory _metaData) public onlyOwner returns(bool) { emit MetaData(_metaData); return true; } }
pragma solidity >0.5.4; import "./ERC677/ERC677.sol"; import "./ERC677/ERC677Receiver.sol"; import "@daostack/arc/contracts/controller/DAOToken.sol"; import "openzeppelin-solidity/contracts/token/ERC20/ERC20Pausable.sol"; /* @title ERC677Token contract. */ contract ERC677Token is ERC677, DAOToken, ERC20Pausable { constructor( string memory _name, string memory _symbol, uint256 _cap ) public DAOToken(_name, _symbol, _cap) {} /** * @dev transfer token to a contract address with additional data if the recipient is a contact. * @param _to The address to transfer to. * @param _value The amount to be transferred. * @param _data The extra data to be passed to the receiving contract. * @return true if transfer is successful */ function _transferAndCall( address _to, uint256 _value, bytes memory _data ) internal whenNotPaused returns (bool) { bool res = super.transfer(_to, _value); emit Transfer(msg.sender, _to, _value, _data); if (isContract(_to)) { require(contractFallback(_to, _value, _data), "Contract fallback failed"); } return res; } /* @dev Contract fallback function. Is called if transferAndCall is called * to a contract */ function contractFallback( address _to, uint256 _value, bytes memory _data ) private returns (bool) { ERC677Receiver receiver = ERC677Receiver(_to); require( receiver.onTokenTransfer(msg.sender, _value, _data), "Contract Fallback failed" ); return true; } /* @dev Function to check if given address is a contract * @param _addr Address to check * @return true if given address is a contract */ function isContract(address _addr) internal view returns (bool) { uint256 length; assembly { length := extcodesize(_addr) } return length > 0; } }
pragma solidity >0.5.4; import "./ERC677Token.sol"; import "openzeppelin-solidity/contracts/access/roles/MinterRole.sol"; contract ERC677BridgeToken is ERC677Token, MinterRole { address public bridgeContract; constructor( string memory _name, string memory _symbol, uint256 _cap ) public ERC677Token(_name, _symbol, _cap) {} function setBridgeContract(address _bridgeContract) public onlyMinter { require( _bridgeContract != address(0) && isContract(_bridgeContract), "Invalid bridge contract" ); bridgeContract = _bridgeContract; } }
pragma solidity >0.5.4; /* @title ERC677Receiver interface */ interface ERC677Receiver { function onTokenTransfer( address _from, uint256 _value, bytes calldata _data ) external returns (bool); }
pragma solidity >0.5.4; /* @title ERC677 interface */ interface ERC677 { event Transfer(address indexed from, address indexed to, uint256 value, bytes data); function transferAndCall( address, uint256, bytes calldata ) external returns (bool); }
pragma solidity >0.5.4; import "./Identity.sol"; import "openzeppelin-solidity/contracts/ownership/Ownable.sol"; /* @title The IdentityGuard contract * @dev Contract containing an identity and * modifiers to ensure proper access */ contract IdentityGuard is Ownable { Identity public identity; /* @dev Constructor. Checks if identity is a zero address * @param _identity The identity contract. */ constructor(Identity _identity) public { require(_identity != Identity(0), "Supplied identity is null"); identity = _identity; } /* @dev Modifier that requires the sender to be not blacklisted */ modifier onlyNotBlacklisted() { require(!identity.isBlacklisted(msg.sender), "Caller is blacklisted"); _; } /* @dev Modifier that requires the given address to be not blacklisted * @param _account The address to be checked */ modifier requireNotBlacklisted(address _account) { require(!identity.isBlacklisted(_account), "Receiver is blacklisted"); _; } /* @dev Modifier that requires the sender to be whitelisted */ modifier onlyWhitelisted() { require(identity.isWhitelisted(msg.sender), "is not whitelisted"); _; } /* @dev Modifier that requires the given address to be whitelisted * @param _account the given address */ modifier requireWhitelisted(address _account) { require(identity.isWhitelisted(_account), "is not whitelisted"); _; } /* @dev Modifier that requires the sender to be an approved DAO contract */ modifier onlyDAOContract() { require(identity.isDAOContract(msg.sender), "is not whitelisted contract"); _; } /* @dev Modifier that requires the given address to be whitelisted * @param _account the given address */ modifier requireDAOContract(address _contract) { require(identity.isDAOContract(_contract), "is not whitelisted contract"); _; } /* @dev Modifier that requires the sender to have been whitelisted * before or on the given date * @param date The time sender must have been added before */ modifier onlyAddedBefore(uint256 date) { require( identity.lastAuthenticated(msg.sender) <= date, "Was not added within period" ); _; } /* @dev Modifier that requires sender to be an identity admin */ modifier onlyIdentityAdmin() { require(identity.isIdentityAdmin(msg.sender), "not IdentityAdmin"); _; } /* @dev Allows owner to set a new identity contract if * the given identity contract has been registered as a scheme */ function setIdentity(Identity _identity) public onlyOwner { require(_identity.isRegistered(), "Identity is not registered"); identity = _identity; } }
pragma solidity >0.5.4; import "openzeppelin-solidity/contracts/access/Roles.sol"; import "openzeppelin-solidity/contracts/ownership/Ownable.sol"; /** * @title Contract managing the identity admin role */ contract IdentityAdminRole is Ownable { using Roles for Roles.Role; event IdentityAdminAdded(address indexed account); event IdentityAdminRemoved(address indexed account); Roles.Role private IdentityAdmins; /* @dev constructor. Adds caller as an admin */ constructor() internal { _addIdentityAdmin(msg.sender); } /* @dev Modifier to check if caller is an admin */ modifier onlyIdentityAdmin() { require(isIdentityAdmin(msg.sender), "not IdentityAdmin"); _; } /** * @dev Checks if account is identity admin * @param account Account to check * @return Boolean indicating if account is identity admin */ function isIdentityAdmin(address account) public view returns (bool) { return IdentityAdmins.has(account); } /** * @dev Adds a identity admin account. Is only callable by owner. * @param account Address to be added * @return true if successful */ function addIdentityAdmin(address account) public onlyOwner returns (bool) { _addIdentityAdmin(account); return true; } /** * @dev Removes a identity admin account. Is only callable by owner. * @param account Address to be removed * @return true if successful */ function removeIdentityAdmin(address account) public onlyOwner returns (bool) { _removeIdentityAdmin(account); return true; } /** * @dev Allows an admin to renounce their role */ function renounceIdentityAdmin() public { _removeIdentityAdmin(msg.sender); } /** * @dev Internal implementation of addIdentityAdmin */ function _addIdentityAdmin(address account) internal { IdentityAdmins.add(account); emit IdentityAdminAdded(account); } /** * @dev Internal implementation of removeIdentityAdmin */ function _removeIdentityAdmin(address account) internal { IdentityAdmins.remove(account); emit IdentityAdminRemoved(account); } }
pragma solidity >0.5.4; import "openzeppelin-solidity/contracts/access/Roles.sol"; import "openzeppelin-solidity/contracts/math/SafeMath.sol"; import "openzeppelin-solidity/contracts/lifecycle/Pausable.sol"; import "@daostack/arc/contracts/controller/Avatar.sol"; import "../dao/schemes/SchemeGuard.sol"; import "./IdentityAdminRole.sol"; /* @title Identity contract responsible for whitelisting * and keeping track of amount of whitelisted users */ contract Identity is IdentityAdminRole, SchemeGuard, Pausable { using Roles for Roles.Role; using SafeMath for uint256; Roles.Role private blacklist; Roles.Role private whitelist; Roles.Role private contracts; uint256 public whitelistedCount = 0; uint256 public whitelistedContracts = 0; uint256 public authenticationPeriod = 14; mapping(address => uint256) public dateAuthenticated; mapping(address => uint256) public dateAdded; mapping(address => string) public addrToDID; mapping(bytes32 => address) public didHashToAddress; event BlacklistAdded(address indexed account); event BlacklistRemoved(address indexed account); event WhitelistedAdded(address indexed account); event WhitelistedRemoved(address indexed account); event ContractAdded(address indexed account); event ContractRemoved(address indexed account); constructor() public SchemeGuard(Avatar(0)) {} /* @dev Sets a new value for authenticationPeriod. * Can only be called by Identity Administrators. * @param period new value for authenticationPeriod */ function setAuthenticationPeriod(uint256 period) public onlyOwner whenNotPaused { authenticationPeriod = period; } /* @dev Sets the authentication date of `account` * to the current time. * Can only be called by Identity Administrators. * @param account address to change its auth date */ function authenticate(address account) public onlyRegistered onlyIdentityAdmin whenNotPaused { dateAuthenticated[account] = now; } /* @dev Adds an address as whitelisted. * Can only be called by Identity Administrators. * @param account address to add as whitelisted */ function addWhitelisted(address account) public onlyRegistered onlyIdentityAdmin whenNotPaused { _addWhitelisted(account); } /* @dev Adds an address as whitelisted under a specific ID * @param account The address to add * @param did the ID to add account under */ function addWhitelistedWithDID(address account, string memory did) public onlyRegistered onlyIdentityAdmin whenNotPaused { _addWhitelistedWithDID(account, did); } /* @dev Removes an address as whitelisted. * Can only be called by Identity Administrators. * @param account address to remove as whitelisted */ function removeWhitelisted(address account) public onlyRegistered onlyIdentityAdmin whenNotPaused { _removeWhitelisted(account); } /* @dev Renounces message sender from whitelisted */ function renounceWhitelisted() public whenNotPaused { _removeWhitelisted(msg.sender); } /* @dev Returns true if given address has been added to whitelist * @param account the address to check * @return a bool indicating weather the address is present in whitelist */ function isWhitelisted(address account) public view returns (bool) { uint256 daysSinceAuthentication = (now.sub(dateAuthenticated[account])) / 1 days; return (daysSinceAuthentication <= authenticationPeriod) && whitelist.has(account); } /* @dev Function that gives the date the given user was added * @param account The address to check * @return The date the address was added */ function lastAuthenticated(address account) public view returns (uint256) { return dateAuthenticated[account]; } // /** // * // * @dev Function to transfer whitelisted privilege to another address // * relocates did of sender to give address // * @param account The address to transfer to // */ // function transferAccount(address account) public whenNotPaused { // ERC20 token = avatar.nativeToken(); // require(!isBlacklisted(account), "Cannot transfer to blacklisted"); // require(token.balanceOf(account) == 0, "Account is already in use"); // require(isWhitelisted(msg.sender), "Requester need to be whitelisted"); // require( // keccak256(bytes(addrToDID[account])) == keccak256(bytes("")), // "address already has DID" // ); // string memory did = addrToDID[msg.sender]; // bytes32 pHash = keccak256(bytes(did)); // uint256 balance = token.balanceOf(msg.sender); // token.transferFrom(msg.sender, account, balance); // _removeWhitelisted(msg.sender); // _addWhitelisted(account); // addrToDID[account] = did; // didHashToAddress[pHash] = account; // } /* @dev Adds an address to blacklist. * Can only be called by Identity Administrators. * @param account address to add as blacklisted */ function addBlacklisted(address account) public onlyRegistered onlyIdentityAdmin whenNotPaused { blacklist.add(account); emit BlacklistAdded(account); } /* @dev Removes an address from blacklist * Can only be called by Identity Administrators. * @param account address to remove as blacklisted */ function removeBlacklisted(address account) public onlyRegistered onlyIdentityAdmin whenNotPaused { blacklist.remove(account); emit BlacklistRemoved(account); } /* @dev Function to add a Contract to list of contracts * @param account The address to add */ function addContract(address account) public onlyRegistered onlyIdentityAdmin whenNotPaused { require(isContract(account), "Given address is not a contract"); contracts.add(account); _addWhitelisted(account); emit ContractAdded(account); } /* @dev Function to remove a Contract from list of contracts * @param account The address to add */ function removeContract(address account) public onlyRegistered onlyIdentityAdmin whenNotPaused { contracts.remove(account); _removeWhitelisted(account); emit ContractRemoved(account); } /* @dev Function to check if given contract is on list of contracts. * @param address to check * @return a bool indicating if address is on list of contracts */ function isDAOContract(address account) public view returns (bool) { return contracts.has(account); } /* @dev Internal function to add to whitelisted * @param account the address to add */ function _addWhitelisted(address account) internal { whitelist.add(account); whitelistedCount += 1; dateAdded[account] = now; dateAuthenticated[account] = now; if (isContract(account)) { whitelistedContracts += 1; } emit WhitelistedAdded(account); } /* @dev Internal whitelisting with did function. * @param account the address to add * @param did the id to register account under */ function _addWhitelistedWithDID(address account, string memory did) internal { bytes32 pHash = keccak256(bytes(did)); require(didHashToAddress[pHash] == address(0), "DID already registered"); addrToDID[account] = did; didHashToAddress[pHash] = account; _addWhitelisted(account); } /* @dev Internal function to remove from whitelisted * @param account the address to add */ function _removeWhitelisted(address account) internal { whitelist.remove(account); whitelistedCount -= 1; delete dateAuthenticated[account]; if (isContract(account)) { whitelistedContracts -= 1; } string memory did = addrToDID[account]; bytes32 pHash = keccak256(bytes(did)); delete dateAuthenticated[account]; delete addrToDID[account]; delete didHashToAddress[pHash]; emit WhitelistedRemoved(account); } /* @dev Returns true if given address has been added to the blacklist * @param account the address to check * @return a bool indicating weather the address is present in the blacklist */ function isBlacklisted(address account) public view returns (bool) { return blacklist.has(account); } /* @dev Function to see if given address is a contract * @return true if address is a contract */ function isContract(address _addr) internal view returns (bool) { uint256 length; assembly { length := extcodesize(_addr) } return length > 0; } }
pragma solidity >0.5.4; import "openzeppelin-solidity/contracts/ownership/Ownable.sol"; import "@daostack/arc/contracts/controller/Avatar.sol"; import "@daostack/arc/contracts/controller/ControllerInterface.sol"; /* @dev abstract contract for ensuring that schemes have been registered properly * Allows setting zero Avatar in situations where the Avatar hasn't been created yet */ contract SchemeGuard is Ownable { Avatar avatar; ControllerInterface internal controller = ControllerInterface(0); /** @dev Constructor. only sets controller if given avatar is not null. * @param _avatar The avatar of the DAO. */ constructor(Avatar _avatar) public { avatar = _avatar; if (avatar != Avatar(0)) { controller = ControllerInterface(avatar.owner()); } } /** @dev modifier to check if caller is avatar */ modifier onlyAvatar() { require(address(avatar) == msg.sender, "only Avatar can call this method"); _; } /** @dev modifier to check if scheme is registered */ modifier onlyRegistered() { require(isRegistered(), "Scheme is not registered"); _; } /** @dev modifier to check if scheme is not registered */ modifier onlyNotRegistered() { require(!isRegistered(), "Scheme is registered"); _; } /** @dev modifier to check if call is a scheme that is registered */ modifier onlyRegisteredCaller() { require(isRegistered(msg.sender), "Calling scheme is not registered"); _; } /** @dev Function to set a new avatar and controller for scheme * can only be done by owner of scheme */ function setAvatar(Avatar _avatar) public onlyOwner { avatar = _avatar; controller = ControllerInterface(avatar.owner()); } /** @dev function to see if an avatar has been set and if this scheme is registered * @return true if scheme is registered */ function isRegistered() public view returns (bool) { return isRegistered(address(this)); } /** @dev function to see if an avatar has been set and if this scheme is registered * @return true if scheme is registered */ function isRegistered(address scheme) public view returns (bool) { require(avatar != Avatar(0), "Avatar is not set"); if (!(controller.isSchemeRegistered(scheme, address(avatar)))) { return false; } return true; } }
pragma solidity >0.5.4; import "openzeppelin-solidity/contracts/ownership/Ownable.sol"; import "./FeeFormula.sol"; /* @title Contract in charge of setting registered fee formula schemes to contract */ contract FormulaHolder is Ownable { AbstractFees public formula; /* @dev Constructor. Requires that given formula is a valid contract. * @param _formula The fee formula contract. */ constructor(AbstractFees _formula) public { require(_formula != AbstractFees(0), "Supplied formula is null"); formula = _formula; } /* @dev Sets the given fee formula contract. Is only callable by owner. * Reverts if formula has not been registered by DAO. * @param _formula the new fee formula scheme */ function setFormula(AbstractFees _formula) public onlyOwner { _formula.isRegistered(); formula = _formula; } }
pragma solidity >0.5.4; import "openzeppelin-solidity/contracts/math/SafeMath.sol"; import "@daostack/arc/contracts/controller/Avatar.sol"; import "./SchemeGuard.sol"; /** * @title Fee formula abstract contract */ contract AbstractFees is SchemeGuard { constructor() public SchemeGuard(Avatar(0)) {} function getTxFees( uint256 _value, address _sender, address _recipient ) public view returns (uint256, bool); } /** * @title Fee formula contract * contract that provides a function to calculate * fees as a percentage of any given value */ contract FeeFormula is AbstractFees { using SafeMath for uint256; uint256 public percentage; bool public constant senderPays = false; /** * @dev Constructor. Requires the given percentage parameter * to be less than 100. * @param _percentage the percentage to calculate fees of */ constructor(uint256 _percentage) public { require(_percentage < 100, "Percentage should be <100"); percentage = _percentage; } /** @dev calculates the fee of given value. * @param _value the value of the transaction to calculate fees from * @param _sender address sending. * @param _recipient address receiving. * @return the transactional fee for given value */ function getTxFees( uint256 _value, address _sender, address _recipient ) public view returns (uint256, bool) { return (_value.mul(percentage).div(100), senderPays); } }
{ "remappings": [], "optimizer": { "enabled": true, "runs": 200 }, "libraries": {}, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Identity","name":"_identity","type":"address"},{"internalType":"address","name":"_feeRecipient","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"MinterAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"MinterRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"PauserAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"PauserRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"constant":false,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"addMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"addPauser","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"bridgeContract","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"burnFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"cap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"formula","outputs":[{"internalType":"contract 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Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : _name (string): GoodDollar
Arg [1] : _symbol (string): G$
Arg [2] : _cap (uint256): 0
Arg [3] : _formula (address): 0xcf08461E5bAd9C508D482329Eae0f1b4c4D4c489
Arg [4] : _identity (address): 0xe4a2E4a880C7eF1dF6d48a055BD4F85Efc4f00bB
Arg [5] : _feeRecipient (address): 0x0000000000000000000000000000000000000000
-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000100
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [3] : 000000000000000000000000cf08461e5bad9c508d482329eae0f1b4c4d4c489
Arg [4] : 000000000000000000000000e4a2e4a880c7ef1df6d48a055bd4f85efc4f00bb
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [6] : 000000000000000000000000000000000000000000000000000000000000000a
Arg [7] : 476f6f64446f6c6c617200000000000000000000000000000000000000000000
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000002
Arg [9] : 4724000000000000000000000000000000000000000000000000000000000000
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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.