Address Details

contract

0xc58eF32b48F8242D0fe9506BD7249c2e19B4A108

Contract Name: Exchange

Creator: 0x0cc59e–f1502d at 0x1f4de1–488e47

Balance: 0 CELO

Locked CELO Balance: 0.00 CELO

Voting CELO Balance: 0.00 CELO

Pending Unlocked Gold: 0.00 CELO

Tokens: Fetching tokens... Error trying to fetch balances.

Transactions: 0 Transactions

Transfers: 0 Transfers

Gas Used: Fetching gas used...

Last Balance Update: 2159393

Transactions Internal Transactions Coin Balance History Logs Code Read Contract Write Contract

Contract name:: Exchange
Optimization enabled: false

Compiler version: v0.5.8+commit.23d335f2

Verified at: 2020-08-11T19:10:28.404935Z

Contract source code

pragma solidity ^0.5.3;


library SafeMath {
    
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        
        
        
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        
        require(b > 0, errorMessage);
        uint256 c = a / b;
        

        return c;
    }

    
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

contract Context {
    
    
    constructor () internal { }
    

    function _msgSender() internal view returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view returns (bytes memory) {
        this; 
        return msg.data;
    }
}

contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    
    function owner() public view returns (address) {
        return _owner;
    }

    
    modifier onlyOwner() {
        require(isOwner(), "Ownable: caller is not the owner");
        _;
    }

    
    function isOwner() public view returns (bool) {
        return _msgSender() == _owner;
    }

    
    function renounceOwnership() public onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    
    function transferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

    
    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

interface IExchange {
  function exchange(uint256, uint256, bool) external returns (uint256);
  function setUpdateFrequency(uint256) external;
  function getBuyTokenAmount(uint256, bool) external view returns (uint256);
  function getSellTokenAmount(uint256, bool) external view returns (uint256);
  function getBuyAndSellBuckets(bool) external view returns (uint256, uint256);
}

interface ISortedOracles {
  function addOracle(address, address) external;
  function removeOracle(address, address, uint256) external;
  function report(address, uint256, address, address) external;
  function removeExpiredReports(address, uint256) external;
  function isOldestReportExpired(address token) external view returns (bool, address);
  function numRates(address) external view returns (uint256);
  function medianRate(address) external view returns (uint256, uint256);
  function numTimestamps(address) external view returns (uint256);
  function medianTimestamp(address) external view returns (uint256);
}

interface IReserve {
  function setTobinTaxStalenessThreshold(uint256) external;
  function addToken(address) external returns (bool);
  function removeToken(address, uint256) external returns (bool);
  function transferGold(address payable, uint256) external returns (bool);
  function transferExchangeGold(address payable, uint256) external returns (bool);
  function getReserveGoldBalance() external view returns (uint256);
  function getUnfrozenReserveGoldBalance() external view returns (uint256);
  function getOrComputeTobinTax() external returns (uint256, uint256);
  function getTokens() external view returns (address[] memory);
  function getReserveRatio() external view returns (uint256);
}

interface IStableToken {
  function mint(address, uint256) external returns (bool);
  function burn(uint256) external returns (bool);
  function setInflationParameters(uint256, uint256) external;
  function valueToUnits(uint256) external view returns (uint256);
  function unitsToValue(uint256) external view returns (uint256);
  function getInflationParameters() external view returns (uint256, uint256, uint256, uint256);

  
  function balanceOf(address) external view returns (uint256);
}

contract Initializable {
  bool public initialized;

  modifier initializer() {
    require(!initialized, "contract already initialized");
    initialized = true;
    _;
  }
}

library FixidityLib {
  struct Fraction {
    uint256 value;
  }

  
  function digits() internal pure returns (uint8) {
    return 24;
  }

  uint256 private constant FIXED1_UINT = 1000000000000000000000000;

  
  function fixed1() internal pure returns (Fraction memory) {
    return Fraction(FIXED1_UINT);
  }

  
  function wrap(uint256 x) internal pure returns (Fraction memory) {
    return Fraction(x);
  }

  
  function unwrap(Fraction memory x) internal pure returns (uint256) {
    return x.value;
  }

  
  function mulPrecision() internal pure returns (uint256) {
    return 1000000000000;
  }

  
  function maxNewFixed() internal pure returns (uint256) {
    return 115792089237316195423570985008687907853269984665640564;
  }

  
  function newFixed(uint256 x) internal pure returns (Fraction memory) {
    require(x <= maxNewFixed(), "can't create fixidity number larger than maxNewFixed()");
    return Fraction(x * FIXED1_UINT);
  }

  
  function fromFixed(Fraction memory x) internal pure returns (uint256) {
    return x.value / FIXED1_UINT;
  }

  
  function newFixedFraction(uint256 numerator, uint256 denominator)
    internal
    pure
    returns (Fraction memory)
  {
    Fraction memory convertedNumerator = newFixed(numerator);
    Fraction memory convertedDenominator = newFixed(denominator);
    return divide(convertedNumerator, convertedDenominator);
  }

  
  function integer(Fraction memory x) internal pure returns (Fraction memory) {
    return Fraction((x.value / FIXED1_UINT) * FIXED1_UINT); 
  }

  
  function fractional(Fraction memory x) internal pure returns (Fraction memory) {
    return Fraction(x.value - (x.value / FIXED1_UINT) * FIXED1_UINT); 
  }

  
  function add(Fraction memory x, Fraction memory y) internal pure returns (Fraction memory) {
    uint256 z = x.value + y.value;
    require(z >= x.value, "add overflow detected");
    return Fraction(z);
  }

  
  function subtract(Fraction memory x, Fraction memory y) internal pure returns (Fraction memory) {
    require(x.value >= y.value, "substraction underflow detected");
    return Fraction(x.value - y.value);
  }

  
  function multiply(Fraction memory x, Fraction memory y) internal pure returns (Fraction memory) {
    if (x.value == 0 || y.value == 0) return Fraction(0);
    if (y.value == FIXED1_UINT) return x;
    if (x.value == FIXED1_UINT) return y;

    
    
    uint256 x1 = integer(x).value / FIXED1_UINT;
    uint256 x2 = fractional(x).value;
    uint256 y1 = integer(y).value / FIXED1_UINT;
    uint256 y2 = fractional(y).value;

    
    uint256 x1y1 = x1 * y1;
    if (x1 != 0) require(x1y1 / x1 == y1, "overflow x1y1 detected");

    
    
    uint256 fixed_x1y1 = x1y1 * FIXED1_UINT;
    if (x1y1 != 0) require(fixed_x1y1 / x1y1 == FIXED1_UINT, "overflow x1y1 * fixed1 detected");
    x1y1 = fixed_x1y1;

    uint256 x2y1 = x2 * y1;
    if (x2 != 0) require(x2y1 / x2 == y1, "overflow x2y1 detected");

    uint256 x1y2 = x1 * y2;
    if (x1 != 0) require(x1y2 / x1 == y2, "overflow x1y2 detected");

    x2 = x2 / mulPrecision();
    y2 = y2 / mulPrecision();
    uint256 x2y2 = x2 * y2;
    if (x2 != 0) require(x2y2 / x2 == y2, "overflow x2y2 detected");

    
    Fraction memory result = Fraction(x1y1);
    result = add(result, Fraction(x2y1)); 
    result = add(result, Fraction(x1y2)); 
    result = add(result, Fraction(x2y2)); 
    return result;
  }

  
  function reciprocal(Fraction memory x) internal pure returns (Fraction memory) {
    require(x.value != 0, "can't call reciprocal(0)");
    return Fraction((FIXED1_UINT * FIXED1_UINT) / x.value); 
  }

  
  function divide(Fraction memory x, Fraction memory y) internal pure returns (Fraction memory) {
    require(y.value != 0, "can't divide by 0");
    uint256 X = x.value * FIXED1_UINT;
    require(X / FIXED1_UINT == x.value, "overflow at divide");
    return Fraction(X / y.value);
  }

  
  function gt(Fraction memory x, Fraction memory y) internal pure returns (bool) {
    return x.value > y.value;
  }

  
  function gte(Fraction memory x, Fraction memory y) internal pure returns (bool) {
    return x.value >= y.value;
  }

  
  function lt(Fraction memory x, Fraction memory y) internal pure returns (bool) {
    return x.value < y.value;
  }

  
  function lte(Fraction memory x, Fraction memory y) internal pure returns (bool) {
    return x.value <= y.value;
  }

  
  function equals(Fraction memory x, Fraction memory y) internal pure returns (bool) {
    return x.value == y.value;
  }

  
  function isProperFraction(Fraction memory x) internal pure returns (bool) {
    return lte(x, fixed1());
  }
}

interface IERC20 {
    
    function totalSupply() external view returns (uint256);

    
    function balanceOf(address account) external view returns (uint256);

    
    function transfer(address recipient, uint256 amount) external returns (bool);

    
    function allowance(address owner, address spender) external view returns (uint256);

    
    function approve(address spender, uint256 amount) external returns (bool);

    
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    
    event Transfer(address indexed from, address indexed to, uint256 value);

    
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

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);
}

interface IFeeCurrencyWhitelist {
  function addToken(address) external;
  function getWhitelist() external view returns (address[] memory);
}

interface IFreezer {
  function isFrozen(address) external view returns (bool);
}

interface IRegistry {
  function setAddressFor(string calldata, address) external;
  function getAddressForOrDie(bytes32) external view returns (address);
  function getAddressFor(bytes32) external view returns (address);
  function isOneOf(bytes32[] calldata, address) external view returns (bool);
}

interface IElection {
  function getTotalVotes() external view returns (uint256);
  function getActiveVotes() external view returns (uint256);
  function getTotalVotesByAccount(address) external view returns (uint256);
  function markGroupIneligible(address) external;
  function markGroupEligible(address, address, address) external;
  function electValidatorSigners() 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 forceDecrementVotes(
    address,
    uint256,
    address[] calldata,
    address[] calldata,
    uint256[] calldata
  ) external returns (uint256);
}

interface IGovernance {
  function isVoting(address) external view returns (bool);
}

interface ILockedGold {
  function incrementNonvotingAccountBalance(address, uint256) external;
  function decrementNonvotingAccountBalance(address, uint256) external;
  function getAccountTotalLockedGold(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);
}

interface IValidators {
  function getAccountLockedGoldRequirement(address) external view returns (uint256);
  function meetsAccountLockedGoldRequirements(address) external view returns (bool);
  function getGroupNumMembers(address) external view returns (uint256);
  function getGroupsNumMembers(address[] calldata) external view returns (uint256[] memory);
  function getNumRegisteredValidators() external view returns (uint256);
  function getTopGroupValidators(address, uint256) external view returns (address[] memory);
  function updateEcdsaPublicKey(address, address, bytes calldata) external returns (bool);
  function updatePublicKeys(address, address, bytes calldata, bytes calldata, bytes calldata)
    external
    returns (bool);
  function isValidator(address) external view returns (bool);
  function isValidatorGroup(address) external view returns (bool);
  function calculateGroupEpochScore(uint256[] calldata uptimes) external view returns (uint256);
  function groupMembershipInEpoch(address account, uint256 epochNumber, uint256 index)
    external
    view
    returns (address);
  function halveSlashingMultiplier(address group) external;
  function forceDeaffiliateIfValidator(address validator) external;
  function getValidatorGroupSlashingMultiplier(address) external view returns (uint256);
  function affiliate(address group) external returns (bool);
}

interface IRandom {
  function revealAndCommit(bytes32, bytes32, address) external;
  function randomnessBlockRetentionWindow() external view returns (uint256);
  function random() external view returns (bytes32);
  function getBlockRandomness(uint256) external view returns (bytes32);
}

interface IAttestations {
  function setAttestationRequestFee(address, uint256) external;
  function request(bytes32, uint256, address) external;
  function selectIssuers(bytes32) external;
  function complete(bytes32, uint8, bytes32, bytes32) external;
  function revoke(bytes32, uint256) external;
  function withdraw(address) external;

  function setAttestationExpiryBlocks(uint256) external;

  function getMaxAttestations() external view returns (uint256);

  function getUnselectedRequest(bytes32, address) external view returns (uint32, uint32, address);
  function getAttestationRequestFee(address) external view returns (uint256);

  function lookupAccountsForIdentifier(bytes32) external view returns (address[] memory);

  function getAttestationStats(bytes32, address) external view returns (uint32, uint32);

  function getAttestationState(bytes32, address, address)
    external
    view
    returns (uint8, uint32, address);
  function getCompletableAttestations(bytes32, address)
    external
    view
    returns (uint32[] memory, address[] memory, uint256[] memory, bytes memory);
}

contract UsingRegistry is Ownable {
  event RegistrySet(address indexed registryAddress);

  
  bytes32 constant ACCOUNTS_REGISTRY_ID = keccak256(abi.encodePacked("Accounts"));
  bytes32 constant ATTESTATIONS_REGISTRY_ID = keccak256(abi.encodePacked("Attestations"));
  bytes32 constant DOWNTIME_SLASHER_REGISTRY_ID = keccak256(abi.encodePacked("DowntimeSlasher"));
  bytes32 constant DOUBLE_SIGNING_SLASHER_REGISTRY_ID = keccak256(
    abi.encodePacked("DoubleSigningSlasher")
  );
  bytes32 constant ELECTION_REGISTRY_ID = keccak256(abi.encodePacked("Election"));
  bytes32 constant EXCHANGE_REGISTRY_ID = keccak256(abi.encodePacked("Exchange"));
  bytes32 constant FEE_CURRENCY_WHITELIST_REGISTRY_ID = keccak256(
    abi.encodePacked("FeeCurrencyWhitelist")
  );
  bytes32 constant FREEZER_REGISTRY_ID = keccak256(abi.encodePacked("Freezer"));
  bytes32 constant GOLD_TOKEN_REGISTRY_ID = keccak256(abi.encodePacked("GoldToken"));
  bytes32 constant GOVERNANCE_REGISTRY_ID = keccak256(abi.encodePacked("Governance"));
  bytes32 constant GOVERNANCE_SLASHER_REGISTRY_ID = keccak256(
    abi.encodePacked("GovernanceSlasher")
  );
  bytes32 constant LOCKED_GOLD_REGISTRY_ID = keccak256(abi.encodePacked("LockedGold"));
  bytes32 constant RESERVE_REGISTRY_ID = keccak256(abi.encodePacked("Reserve"));
  bytes32 constant RANDOM_REGISTRY_ID = keccak256(abi.encodePacked("Random"));
  bytes32 constant SORTED_ORACLES_REGISTRY_ID = keccak256(abi.encodePacked("SortedOracles"));
  bytes32 constant STABLE_TOKEN_REGISTRY_ID = keccak256(abi.encodePacked("StableToken"));
  bytes32 constant VALIDATORS_REGISTRY_ID = keccak256(abi.encodePacked("Validators"));
  

  IRegistry public registry;

  modifier onlyRegisteredContract(bytes32 identifierHash) {
    require(registry.getAddressForOrDie(identifierHash) == msg.sender, "only registered contract");
    _;
  }

  modifier onlyRegisteredContracts(bytes32[] memory identifierHashes) {
    require(registry.isOneOf(identifierHashes, msg.sender), "only registered contracts");
    _;
  }

  
  function setRegistry(address registryAddress) public onlyOwner {
    require(registryAddress != address(0), "Cannot register the null address");
    registry = IRegistry(registryAddress);
    emit RegistrySet(registryAddress);
  }

  function getAccounts() internal view returns (IAccounts) {
    return IAccounts(registry.getAddressForOrDie(ACCOUNTS_REGISTRY_ID));
  }

  function getAttestations() internal view returns (IAttestations) {
    return IAttestations(registry.getAddressForOrDie(ATTESTATIONS_REGISTRY_ID));
  }

  function getElection() internal view returns (IElection) {
    return IElection(registry.getAddressForOrDie(ELECTION_REGISTRY_ID));
  }

  function getExchange() internal view returns (IExchange) {
    return IExchange(registry.getAddressForOrDie(EXCHANGE_REGISTRY_ID));
  }

  function getFeeCurrencyWhitelistRegistry() internal view returns (IFeeCurrencyWhitelist) {
    return IFeeCurrencyWhitelist(registry.getAddressForOrDie(FEE_CURRENCY_WHITELIST_REGISTRY_ID));
  }

  function getFreezer() internal view returns (IFreezer) {
    return IFreezer(registry.getAddressForOrDie(FREEZER_REGISTRY_ID));
  }

  function getGoldToken() internal view returns (IERC20) {
    return IERC20(registry.getAddressForOrDie(GOLD_TOKEN_REGISTRY_ID));
  }

  function getGovernance() internal view returns (IGovernance) {
    return IGovernance(registry.getAddressForOrDie(GOVERNANCE_REGISTRY_ID));
  }

  function getLockedGold() internal view returns (ILockedGold) {
    return ILockedGold(registry.getAddressForOrDie(LOCKED_GOLD_REGISTRY_ID));
  }

  function getRandom() internal view returns (IRandom) {
    return IRandom(registry.getAddressForOrDie(RANDOM_REGISTRY_ID));
  }

  function getReserve() internal view returns (IReserve) {
    return IReserve(registry.getAddressForOrDie(RESERVE_REGISTRY_ID));
  }

  function getSortedOracles() internal view returns (ISortedOracles) {
    return ISortedOracles(registry.getAddressForOrDie(SORTED_ORACLES_REGISTRY_ID));
  }

  function getStableToken() internal view returns (IStableToken) {
    return IStableToken(registry.getAddressForOrDie(STABLE_TOKEN_REGISTRY_ID));
  }

  function getValidators() internal view returns (IValidators) {
    return IValidators(registry.getAddressForOrDie(VALIDATORS_REGISTRY_ID));
  }
}

contract Freezable is UsingRegistry {
  
  
  modifier onlyWhenNotFrozen() {
    require(!getFreezer().isFrozen(address(this)), "can't call when contract is frozen");
    _;
  }
}

contract ReentrancyGuard {
  
  uint256 private _guardCounter;

  constructor() internal {
    
    
    _guardCounter = 1;
  }

  
  modifier nonReentrant() {
    _guardCounter += 1;
    uint256 localCounter = _guardCounter;
    _;
    require(localCounter == _guardCounter, "reentrant call");
  }
}

contract Exchange is IExchange, Initializable, Ownable, UsingRegistry, ReentrancyGuard, Freezable {
  using SafeMath for uint256;
  using FixidityLib for FixidityLib.Fraction;

  event Exchanged(address indexed exchanger, uint256 sellAmount, uint256 buyAmount, bool soldGold);
  event UpdateFrequencySet(uint256 updateFrequency);
  event MinimumReportsSet(uint256 minimumReports);
  event StableTokenSet(address indexed stable);
  event SpreadSet(uint256 spread);
  event ReserveFractionSet(uint256 reserveFraction);
  event BucketsUpdated(uint256 goldBucket, uint256 stableBucket);

  FixidityLib.Fraction public spread;

  
  
  FixidityLib.Fraction public reserveFraction;

  address public stable;

  
  uint256 public goldBucket;
  
  uint256 public stableBucket;

  uint256 public lastBucketUpdate = 0;
  uint256 public updateFrequency;
  uint256 public minimumReports;

  modifier updateBucketsIfNecessary() {
    _updateBucketsIfNecessary();
    _;
  }

  
  function initialize(
    address registryAddress,
    address stableToken,
    uint256 _spread,
    uint256 _reserveFraction,
    uint256 _updateFrequency,
    uint256 _minimumReports
  ) external initializer {
    _transferOwnership(msg.sender);
    setRegistry(registryAddress);
    setStableToken(stableToken);
    setSpread(_spread);
    setReserveFraction(_reserveFraction);
    setUpdateFrequency(_updateFrequency);
    setMinimumReports(_minimumReports);
    _updateBucketsIfNecessary();
  }

  
  function exchange(uint256 sellAmount, uint256 minBuyAmount, bool sellGold)
    external
    onlyWhenNotFrozen
    updateBucketsIfNecessary
    nonReentrant
    returns (uint256)
  {
    uint256 buyAmount = _getBuyTokenAmount(sellAmount, sellGold);

    require(buyAmount >= minBuyAmount, "Calculated buyAmount was less than specified minBuyAmount");

    IReserve reserve = IReserve(registry.getAddressForOrDie(RESERVE_REGISTRY_ID));

    if (sellGold) {
      goldBucket = goldBucket.add(sellAmount);
      stableBucket = stableBucket.sub(buyAmount);
      require(
        getGoldToken().transferFrom(msg.sender, address(reserve), sellAmount),
        "Transfer of sell token failed"
      );
      require(IStableToken(stable).mint(msg.sender, buyAmount), "Mint of stable token failed");
    } else {
      stableBucket = stableBucket.add(sellAmount);
      goldBucket = goldBucket.sub(buyAmount);
      require(
        IERC20(stable).transferFrom(msg.sender, address(this), sellAmount),
        "Transfer of sell token failed"
      );
      IStableToken(stable).burn(sellAmount);

      require(reserve.transferExchangeGold(msg.sender, buyAmount), "Transfer of buyToken failed");
    }

    emit Exchanged(msg.sender, sellAmount, buyAmount, sellGold);
    return buyAmount;
  }

  
  function getBuyTokenAmount(uint256 sellAmount, bool sellGold) external view returns (uint256) {
    uint256 sellTokenBucket;
    uint256 buyTokenBucket;
    (buyTokenBucket, sellTokenBucket) = getBuyAndSellBuckets(sellGold);

    FixidityLib.Fraction memory reducedSellAmount = getReducedSellAmount(sellAmount);
    FixidityLib.Fraction memory numerator = reducedSellAmount.multiply(
      FixidityLib.newFixed(buyTokenBucket)
    );
    FixidityLib.Fraction memory denominator = FixidityLib.newFixed(sellTokenBucket).add(
      reducedSellAmount
    );

    
    
    
    
    return numerator.unwrap().div(denominator.unwrap());
  }

  
  function getSellTokenAmount(uint256 buyAmount, bool sellGold) external view returns (uint256) {
    uint256 sellTokenBucket;
    uint256 buyTokenBucket;
    (buyTokenBucket, sellTokenBucket) = getBuyAndSellBuckets(sellGold);

    FixidityLib.Fraction memory numerator = FixidityLib.newFixed(buyAmount.mul(sellTokenBucket));
    FixidityLib.Fraction memory denominator = FixidityLib
      .newFixed(buyTokenBucket.sub(buyAmount))
      .multiply(FixidityLib.fixed1().subtract(spread));

    
    return numerator.unwrap().div(denominator.unwrap());
  }

  
  function getBuyAndSellBuckets(bool sellGold) public view returns (uint256, uint256) {
    uint256 currentGoldBucket = goldBucket;
    uint256 currentStableBucket = stableBucket;

    if (shouldUpdateBuckets()) {
      (currentGoldBucket, currentStableBucket) = getUpdatedBuckets();
    }

    if (sellGold) {
      return (currentStableBucket, currentGoldBucket);
    } else {
      return (currentGoldBucket, currentStableBucket);
    }
  }

  
  function setUpdateFrequency(uint256 newUpdateFrequency) public onlyOwner {
    updateFrequency = newUpdateFrequency;
    emit UpdateFrequencySet(newUpdateFrequency);
  }

  
  function setMinimumReports(uint256 newMininumReports) public onlyOwner {
    minimumReports = newMininumReports;
    emit MinimumReportsSet(newMininumReports);
  }

  
  function setStableToken(address newStableToken) public onlyOwner {
    stable = newStableToken;
    emit StableTokenSet(newStableToken);
  }

  
  function setSpread(uint256 newSpread) public onlyOwner {
    spread = FixidityLib.wrap(newSpread);
    emit SpreadSet(newSpread);
  }

  
  function setReserveFraction(uint256 newReserveFraction) public onlyOwner {
    reserveFraction = FixidityLib.wrap(newReserveFraction);
    require(reserveFraction.lt(FixidityLib.fixed1()), "reserve fraction must be smaller than 1");
    emit ReserveFractionSet(newReserveFraction);
  }

  
  function _getBuyAndSellBuckets(bool sellGold) private view returns (uint256, uint256) {
    if (sellGold) {
      return (stableBucket, goldBucket);
    } else {
      return (goldBucket, stableBucket);
    }
  }

  
  function _getBuyTokenAmount(uint256 sellAmount, bool sellGold) private view returns (uint256) {
    uint256 sellTokenBucket;
    uint256 buyTokenBucket;
    (buyTokenBucket, sellTokenBucket) = _getBuyAndSellBuckets(sellGold);

    FixidityLib.Fraction memory reducedSellAmount = getReducedSellAmount(sellAmount);
    FixidityLib.Fraction memory numerator = reducedSellAmount.multiply(
      FixidityLib.newFixed(buyTokenBucket)
    );
    FixidityLib.Fraction memory denominator = FixidityLib.newFixed(sellTokenBucket).add(
      reducedSellAmount
    );

    
    return numerator.unwrap().div(denominator.unwrap());
  }

  function getUpdatedBuckets() private view returns (uint256, uint256) {
    uint256 updatedGoldBucket = getUpdatedGoldBucket();
    uint256 exchangeRateNumerator;
    uint256 exchangeRateDenominator;
    (exchangeRateNumerator, exchangeRateDenominator) = getOracleExchangeRate();
    uint256 updatedStableBucket = exchangeRateNumerator.mul(updatedGoldBucket).div(
      exchangeRateDenominator
    );
    return (updatedGoldBucket, updatedStableBucket);
  }

  function getUpdatedGoldBucket() private view returns (uint256) {
    uint256 reserveGoldBalance = getReserve().getUnfrozenReserveGoldBalance();
    return reserveFraction.multiply(FixidityLib.newFixed(reserveGoldBalance)).fromFixed();
  }

  
  function _updateBucketsIfNecessary() private {
    if (shouldUpdateBuckets()) {
      
      lastBucketUpdate = now;

      (goldBucket, stableBucket) = getUpdatedBuckets();
      emit BucketsUpdated(goldBucket, stableBucket);
    }
  }

  
  function getReducedSellAmount(uint256 sellAmount)
    private
    view
    returns (FixidityLib.Fraction memory)
  {
    return FixidityLib.fixed1().subtract(spread).multiply(FixidityLib.newFixed(sellAmount));
  }

  
  function shouldUpdateBuckets() private view returns (bool) {
    ISortedOracles sortedOracles = ISortedOracles(
      registry.getAddressForOrDie(SORTED_ORACLES_REGISTRY_ID)
    );
    (bool isReportExpired, ) = sortedOracles.isOldestReportExpired(stable);
    
    bool timePassed = now >= lastBucketUpdate.add(updateFrequency);
    bool enoughReports = sortedOracles.numRates(stable) >= minimumReports;
    
    bool medianReportRecent = sortedOracles.medianTimestamp(stable) > now.sub(updateFrequency);
    return timePassed && enoughReports && medianReportRecent && !isReportExpired;
  }

  function getOracleExchangeRate() private view returns (uint256, uint256) {
    uint256 rateNumerator;
    uint256 rateDenominator;
    (rateNumerator, rateDenominator) = ISortedOracles(
      registry.getAddressForOrDie(SORTED_ORACLES_REGISTRY_ID)
    )
      .medianRate(stable);
    require(rateDenominator > 0, "exchange rate denominator must be greater than 0");
    return (rateNumerator, rateDenominator);
  }
}

Contract ABI

[{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"bool","name":""}],"name":"initialized","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"minimumReports","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":""}],"name":"stable","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"stableBucket","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"exchange","inputs":[{"type":"uint256","name":"sellAmount"},{"type":"uint256","name":"minBuyAmount"},{"type":"bool","name":"sellGold"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setUpdateFrequency","inputs":[{"type":"uint256","name":"newUpdateFrequency"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"getSellTokenAmount","inputs":[{"type":"uint256","name":"buyAmount"},{"type":"bool","name":"sellGold"}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"value"}],"name":"spread","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"goldBucket","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"updateFrequency","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setReserveFraction","inputs":[{"type":"uint256","name":"newReserveFraction"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"renounceOwnership","inputs":[],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""},{"type":"uint256","name":""}],"name":"getBuyAndSellBuckets","inputs":[{"type":"bool","name":"sellGold"}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":""}],"name":"registry","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"initialize","inputs":[{"type":"address","name":"registryAddress"},{"type":"address","name":"stableToken"},{"type":"uint256","name":"_spread"},{"type":"uint256","name":"_reserveFraction"},{"type":"uint256","name":"_updateFrequency"},{"type":"uint256","name":"_minimumReports"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":""}],"name":"owner","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"bool","name":""}],"name":"isOwner","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"getBuyTokenAmount","inputs":[{"type":"uint256","name":"sellAmount"},{"type":"bool","name":"sellGold"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setRegistry","inputs":[{"type":"address","name":"registryAddress"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setSpread","inputs":[{"type":"uint256","name":"newSpread"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setMinimumReports","inputs":[{"type":"uint256","name":"newMininumReports"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"setStableToken","inputs":[{"type":"address","name":"newStableToken"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"value"}],"name":"reserveFraction","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"lastBucketUpdate","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner"}],"constant":false},{"type":"event","name":"Exchanged","inputs":[{"type":"address","name":"exchanger","indexed":true},{"type":"uint256","name":"sellAmount","indexed":false},{"type":"uint256","name":"buyAmount","indexed":false},{"type":"bool","name":"soldGold","indexed":false}],"anonymous":false},{"type":"event","name":"UpdateFrequencySet","inputs":[{"type":"uint256","name":"updateFrequency","indexed":false}],"anonymous":false},{"type":"event","name":"MinimumReportsSet","inputs":[{"type":"uint256","name":"minimumReports","indexed":false}],"anonymous":false},{"type":"event","name":"StableTokenSet","inputs":[{"type":"address","name":"stable","indexed":true}],"anonymous":false},{"type":"event","name":"SpreadSet","inputs":[{"type":"uint256","name":"spread","indexed":false}],"anonymous":false},{"type":"event","name":"ReserveFractionSet","inputs":[{"type":"uint256","name":"reserveFraction","indexed":false}],"anonymous":false},{"type":"event","name":"BucketsUpdated","inputs":[{"type":"uint256","name":"goldBucket","indexed":false},{"type":"uint256","name":"stableBucket","indexed":false}],"anonymous":false},{"type":"event","name":"RegistrySet","inputs":[{"type":"address","name":"registryAddress","indexed":true}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","indexed":true},{"type":"address","name":"newOwner","indexed":true}],"anonymous":false}]

Contract Creation Code

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

Deployed ByteCode

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

Swap

Wallet

Connect

Learn

Learn, Borrow, Earn

NFT

Spend

Resources

Finance Tools

Derivatives Platforms

Address Details contract

0xc58eF32b48F8242D0fe9506BD7249c2e19B4A108

Contract source code

Contract ABI

Contract Creation Code

Deployed ByteCode

Address Details

contract