Sepolia Testnet

Contract

0x55d1dbdD814fEB50b4CdFD554f370cdA954eB4d7

Overview

ETH Balance

0 ETH

Multichain Info

N/A
Transaction Hash
Method
Block
From
To
Value
0x6080604054872322024-03-14 23:29:0096 days ago1710458940IN
 Create: ExchangerWithFeeRecAlternatives
0 ETH0.000715930.14366126

Advanced mode:
Parent Transaction Hash Block From To Value
View All Internal Transactions
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
ExchangerWithFeeRecAlternatives

Compiler Version
v0.5.16+commit.9c3226ce

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2024-03-15
*/

/*
   ____            __   __        __   _
  / __/__ __ ___  / /_ / /  ___  / /_ (_)__ __
 _\ \ / // // _ \/ __// _ \/ -_)/ __// / \ \ /
/___/ \_, //_//_/\__//_//_/\__/ \__//_/ /_\_\
     /___/

* Synthetix: ExchangerWithFeeRecAlternatives.sol
*
* Latest source (may be newer): https://github.com/Synthetixio/synthetix/blob/master/contracts/ExchangerWithFeeRecAlternatives.sol
* Docs: https://docs.synthetix.io/contracts/ExchangerWithFeeRecAlternatives
*
* Contract Dependencies: 
*	- Exchanger
*	- IAddressResolver
*	- IExchanger
*	- MinimalProxyFactory
*	- MixinResolver
*	- MixinSystemSettings
*	- Owned
* Libraries: 
*	- ExchangeSettlementLib
*	- SafeDecimalMath
*	- SafeMath
*
* MIT License
* ===========
*
* Copyright (c) 2024 Synthetix
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
*/



pragma solidity ^0.5.16;

// https://docs.synthetix.io/contracts/source/contracts/owned
contract Owned {
    address public owner;
    address public nominatedOwner;

    constructor(address _owner) public {
        require(_owner != address(0), "Owner address cannot be 0");
        owner = _owner;
        emit OwnerChanged(address(0), _owner);
    }

    function nominateNewOwner(address _owner) external onlyOwner {
        nominatedOwner = _owner;
        emit OwnerNominated(_owner);
    }

    function acceptOwnership() external {
        require(msg.sender == nominatedOwner, "You must be nominated before you can accept ownership");
        emit OwnerChanged(owner, nominatedOwner);
        owner = nominatedOwner;
        nominatedOwner = address(0);
    }

    modifier onlyOwner {
        _onlyOwner();
        _;
    }

    function _onlyOwner() private view {
        require(msg.sender == owner, "Only the contract owner may perform this action");
    }

    event OwnerNominated(address newOwner);
    event OwnerChanged(address oldOwner, address newOwner);
}


// https://docs.synthetix.io/contracts/source/interfaces/iaddressresolver
interface IAddressResolver {
    function getAddress(bytes32 name) external view returns (address);

    function getSynth(bytes32 key) external view returns (address);

    function requireAndGetAddress(bytes32 name, string calldata reason) external view returns (address);
}


// https://docs.synthetix.io/contracts/source/interfaces/isynth
interface ISynth {
    // Views
    function currencyKey() external view returns (bytes32);

    function transferableSynths(address account) external view returns (uint);

    // Mutative functions
    function transferAndSettle(address to, uint value) external returns (bool);

    function transferFromAndSettle(
        address from,
        address to,
        uint value
    ) external returns (bool);

    // Restricted: used internally to Synthetix
    function burn(address account, uint amount) external;

    function issue(address account, uint amount) external;
}


// https://docs.synthetix.io/contracts/source/interfaces/iissuer
interface IIssuer {
    // Views

    function allNetworksDebtInfo()
        external
        view
        returns (
            uint256 debt,
            uint256 sharesSupply,
            bool isStale
        );

    function anySynthOrSNXRateIsInvalid() external view returns (bool anyRateInvalid);

    function availableCurrencyKeys() external view returns (bytes32[] memory);

    function availableSynthCount() external view returns (uint);

    function availableSynths(uint index) external view returns (ISynth);

    function canBurnSynths(address account) external view returns (bool);

    function collateral(address account) external view returns (uint);

    function collateralisationRatio(address issuer) external view returns (uint);

    function collateralisationRatioAndAnyRatesInvalid(address _issuer)
        external
        view
        returns (uint cratio, bool anyRateIsInvalid);

    function debtBalanceOf(address issuer, bytes32 currencyKey) external view returns (uint debtBalance);

    function issuanceRatio() external view returns (uint);

    function lastIssueEvent(address account) external view returns (uint);

    function maxIssuableSynths(address issuer) external view returns (uint maxIssuable);

    function minimumStakeTime() external view returns (uint);

    function remainingIssuableSynths(address issuer)
        external
        view
        returns (
            uint maxIssuable,
            uint alreadyIssued,
            uint totalSystemDebt
        );

    function synths(bytes32 currencyKey) external view returns (ISynth);

    function getSynths(bytes32[] calldata currencyKeys) external view returns (ISynth[] memory);

    function synthsByAddress(address synthAddress) external view returns (bytes32);

    function totalIssuedSynths(bytes32 currencyKey, bool excludeOtherCollateral) external view returns (uint);

    function transferableSynthetixAndAnyRateIsInvalid(address account, uint balance)
        external
        view
        returns (uint transferable, bool anyRateIsInvalid);

    function liquidationAmounts(address account, bool isSelfLiquidation)
        external
        view
        returns (
            uint totalRedeemed,
            uint debtToRemove,
            uint escrowToLiquidate,
            uint initialDebtBalance
        );

    // Restricted: used internally to Synthetix
    function addSynths(ISynth[] calldata synthsToAdd) external;

    function issueSynths(address from, uint amount) external;

    function issueSynthsOnBehalf(
        address issueFor,
        address from,
        uint amount
    ) external;

    function issueMaxSynths(address from) external;

    function issueMaxSynthsOnBehalf(address issueFor, address from) external;

    function burnSynths(address from, uint amount) external;

    function burnSynthsOnBehalf(
        address burnForAddress,
        address from,
        uint amount
    ) external;

    function burnSynthsToTarget(address from) external;

    function burnSynthsToTargetOnBehalf(address burnForAddress, address from) external;

    function burnForRedemption(
        address deprecatedSynthProxy,
        address account,
        uint balance
    ) external;

    function setCurrentPeriodId(uint128 periodId) external;

    function liquidateAccount(address account, bool isSelfLiquidation)
        external
        returns (
            uint totalRedeemed,
            uint debtRemoved,
            uint escrowToLiquidate
        );

    function issueSynthsWithoutDebt(
        bytes32 currencyKey,
        address to,
        uint amount
    ) external returns (bool rateInvalid);

    function burnSynthsWithoutDebt(
        bytes32 currencyKey,
        address to,
        uint amount
    ) external returns (bool rateInvalid);

    function modifyDebtSharesForMigration(address account, uint amount) external;
}


// Inheritance


// Internal references


// https://docs.synthetix.io/contracts/source/contracts/addressresolver
contract AddressResolver is Owned, IAddressResolver {
    mapping(bytes32 => address) public repository;

    constructor(address _owner) public Owned(_owner) {}

    /* ========== RESTRICTED FUNCTIONS ========== */

    function importAddresses(bytes32[] calldata names, address[] calldata destinations) external onlyOwner {
        require(names.length == destinations.length, "Input lengths must match");

        for (uint i = 0; i < names.length; i++) {
            bytes32 name = names[i];
            address destination = destinations[i];
            repository[name] = destination;
            emit AddressImported(name, destination);
        }
    }

    /* ========= PUBLIC FUNCTIONS ========== */

    function rebuildCaches(MixinResolver[] calldata destinations) external {
        for (uint i = 0; i < destinations.length; i++) {
            destinations[i].rebuildCache();
        }
    }

    /* ========== VIEWS ========== */

    function areAddressesImported(bytes32[] calldata names, address[] calldata destinations) external view returns (bool) {
        for (uint i = 0; i < names.length; i++) {
            if (repository[names[i]] != destinations[i]) {
                return false;
            }
        }
        return true;
    }

    function getAddress(bytes32 name) external view returns (address) {
        return repository[name];
    }

    function requireAndGetAddress(bytes32 name, string calldata reason) external view returns (address) {
        address _foundAddress = repository[name];
        require(_foundAddress != address(0), reason);
        return _foundAddress;
    }

    function getSynth(bytes32 key) external view returns (address) {
        IIssuer issuer = IIssuer(repository["Issuer"]);
        require(address(issuer) != address(0), "Cannot find Issuer address");
        return address(issuer.synths(key));
    }

    /* ========== EVENTS ========== */

    event AddressImported(bytes32 name, address destination);
}


// Internal references


// https://docs.synthetix.io/contracts/source/contracts/mixinresolver
contract MixinResolver {
    AddressResolver public resolver;

    mapping(bytes32 => address) private addressCache;

    constructor(address _resolver) internal {
        resolver = AddressResolver(_resolver);
    }

    /* ========== INTERNAL FUNCTIONS ========== */

    function combineArrays(bytes32[] memory first, bytes32[] memory second)
        internal
        pure
        returns (bytes32[] memory combination)
    {
        combination = new bytes32[](first.length + second.length);

        for (uint i = 0; i < first.length; i++) {
            combination[i] = first[i];
        }

        for (uint j = 0; j < second.length; j++) {
            combination[first.length + j] = second[j];
        }
    }

    /* ========== PUBLIC FUNCTIONS ========== */

    // Note: this function is public not external in order for it to be overridden and invoked via super in subclasses
    function resolverAddressesRequired() public view returns (bytes32[] memory addresses) {}

    function rebuildCache() public {
        bytes32[] memory requiredAddresses = resolverAddressesRequired();
        // The resolver must call this function whenver it updates its state
        for (uint i = 0; i < requiredAddresses.length; i++) {
            bytes32 name = requiredAddresses[i];
            // Note: can only be invoked once the resolver has all the targets needed added
            address destination =
                resolver.requireAndGetAddress(name, string(abi.encodePacked("Resolver missing target: ", name)));
            addressCache[name] = destination;
            emit CacheUpdated(name, destination);
        }
    }

    /* ========== VIEWS ========== */

    function isResolverCached() external view returns (bool) {
        bytes32[] memory requiredAddresses = resolverAddressesRequired();
        for (uint i = 0; i < requiredAddresses.length; i++) {
            bytes32 name = requiredAddresses[i];
            // false if our cache is invalid or if the resolver doesn't have the required address
            if (resolver.getAddress(name) != addressCache[name] || addressCache[name] == address(0)) {
                return false;
            }
        }

        return true;
    }

    /* ========== INTERNAL FUNCTIONS ========== */

    function requireAndGetAddress(bytes32 name) internal view returns (address) {
        address _foundAddress = addressCache[name];
        require(_foundAddress != address(0), string(abi.encodePacked("Missing address: ", name)));
        return _foundAddress;
    }

    /* ========== EVENTS ========== */

    event CacheUpdated(bytes32 name, address destination);
}


// https://docs.synthetix.io/contracts/source/interfaces/iflexiblestorage
interface IFlexibleStorage {
    // Views
    function getUIntValue(bytes32 contractName, bytes32 record) external view returns (uint);

    function getUIntValues(bytes32 contractName, bytes32[] calldata records) external view returns (uint[] memory);

    function getIntValue(bytes32 contractName, bytes32 record) external view returns (int);

    function getIntValues(bytes32 contractName, bytes32[] calldata records) external view returns (int[] memory);

    function getAddressValue(bytes32 contractName, bytes32 record) external view returns (address);

    function getAddressValues(bytes32 contractName, bytes32[] calldata records) external view returns (address[] memory);

    function getBoolValue(bytes32 contractName, bytes32 record) external view returns (bool);

    function getBoolValues(bytes32 contractName, bytes32[] calldata records) external view returns (bool[] memory);

    function getBytes32Value(bytes32 contractName, bytes32 record) external view returns (bytes32);

    function getBytes32Values(bytes32 contractName, bytes32[] calldata records) external view returns (bytes32[] memory);

    // Mutative functions
    function deleteUIntValue(bytes32 contractName, bytes32 record) external;

    function deleteIntValue(bytes32 contractName, bytes32 record) external;

    function deleteAddressValue(bytes32 contractName, bytes32 record) external;

    function deleteBoolValue(bytes32 contractName, bytes32 record) external;

    function deleteBytes32Value(bytes32 contractName, bytes32 record) external;

    function setUIntValue(
        bytes32 contractName,
        bytes32 record,
        uint value
    ) external;

    function setUIntValues(
        bytes32 contractName,
        bytes32[] calldata records,
        uint[] calldata values
    ) external;

    function setIntValue(
        bytes32 contractName,
        bytes32 record,
        int value
    ) external;

    function setIntValues(
        bytes32 contractName,
        bytes32[] calldata records,
        int[] calldata values
    ) external;

    function setAddressValue(
        bytes32 contractName,
        bytes32 record,
        address value
    ) external;

    function setAddressValues(
        bytes32 contractName,
        bytes32[] calldata records,
        address[] calldata values
    ) external;

    function setBoolValue(
        bytes32 contractName,
        bytes32 record,
        bool value
    ) external;

    function setBoolValues(
        bytes32 contractName,
        bytes32[] calldata records,
        bool[] calldata values
    ) external;

    function setBytes32Value(
        bytes32 contractName,
        bytes32 record,
        bytes32 value
    ) external;

    function setBytes32Values(
        bytes32 contractName,
        bytes32[] calldata records,
        bytes32[] calldata values
    ) external;
}


// Internal references


// https://docs.synthetix.io/contracts/source/contracts/mixinsystemsettings
contract MixinSystemSettings is MixinResolver {
    // must match the one defined SystemSettingsLib, defined in both places due to sol v0.5 limitations
    bytes32 internal constant SETTING_CONTRACT_NAME = "SystemSettings";

    bytes32 internal constant SETTING_WAITING_PERIOD_SECS = "waitingPeriodSecs";
    bytes32 internal constant SETTING_PRICE_DEVIATION_THRESHOLD_FACTOR = "priceDeviationThresholdFactor";
    bytes32 internal constant SETTING_ISSUANCE_RATIO = "issuanceRatio";
    bytes32 internal constant SETTING_FEE_PERIOD_DURATION = "feePeriodDuration";
    bytes32 internal constant SETTING_TARGET_THRESHOLD = "targetThreshold";
    bytes32 internal constant SETTING_LIQUIDATION_DELAY = "liquidationDelay";
    bytes32 internal constant SETTING_LIQUIDATION_RATIO = "liquidationRatio";
    bytes32 internal constant SETTING_LIQUIDATION_ESCROW_DURATION = "liquidationEscrowDuration";
    bytes32 internal constant SETTING_LIQUIDATION_PENALTY = "liquidationPenalty";
    bytes32 internal constant SETTING_SNX_LIQUIDATION_PENALTY = "snxLiquidationPenalty";
    bytes32 internal constant SETTING_SELF_LIQUIDATION_PENALTY = "selfLiquidationPenalty";
    bytes32 internal constant SETTING_FLAG_REWARD = "flagReward";
    bytes32 internal constant SETTING_LIQUIDATE_REWARD = "liquidateReward";
    bytes32 internal constant SETTING_RATE_STALE_PERIOD = "rateStalePeriod";
    /* ========== Exchange Fees Related ========== */
    bytes32 internal constant SETTING_EXCHANGE_FEE_RATE = "exchangeFeeRate";
    bytes32 internal constant SETTING_EXCHANGE_DYNAMIC_FEE_THRESHOLD = "exchangeDynamicFeeThreshold";
    bytes32 internal constant SETTING_EXCHANGE_DYNAMIC_FEE_WEIGHT_DECAY = "exchangeDynamicFeeWeightDecay";
    bytes32 internal constant SETTING_EXCHANGE_DYNAMIC_FEE_ROUNDS = "exchangeDynamicFeeRounds";
    bytes32 internal constant SETTING_EXCHANGE_MAX_DYNAMIC_FEE = "exchangeMaxDynamicFee";
    /* ========== End Exchange Fees Related ========== */
    bytes32 internal constant SETTING_MINIMUM_STAKE_TIME = "minimumStakeTime";
    bytes32 internal constant SETTING_AGGREGATOR_WARNING_FLAGS = "aggregatorWarningFlags";
    bytes32 internal constant SETTING_TRADING_REWARDS_ENABLED = "tradingRewardsEnabled";
    bytes32 internal constant SETTING_DEBT_SNAPSHOT_STALE_TIME = "debtSnapshotStaleTime";
    bytes32 internal constant SETTING_CROSS_DOMAIN_DEPOSIT_GAS_LIMIT = "crossDomainDepositGasLimit";
    bytes32 internal constant SETTING_CROSS_DOMAIN_ESCROW_GAS_LIMIT = "crossDomainEscrowGasLimit";
    bytes32 internal constant SETTING_CROSS_DOMAIN_REWARD_GAS_LIMIT = "crossDomainRewardGasLimit";
    bytes32 internal constant SETTING_CROSS_DOMAIN_WITHDRAWAL_GAS_LIMIT = "crossDomainWithdrawalGasLimit";
    bytes32 internal constant SETTING_CROSS_DOMAIN_FEE_PERIOD_CLOSE_GAS_LIMIT = "crossDomainCloseGasLimit";
    bytes32 internal constant SETTING_CROSS_DOMAIN_RELAY_GAS_LIMIT = "crossDomainRelayGasLimit";
    bytes32 internal constant SETTING_ETHER_WRAPPER_MAX_ETH = "etherWrapperMaxETH";
    bytes32 internal constant SETTING_ETHER_WRAPPER_MINT_FEE_RATE = "etherWrapperMintFeeRate";
    bytes32 internal constant SETTING_ETHER_WRAPPER_BURN_FEE_RATE = "etherWrapperBurnFeeRate";
    bytes32 internal constant SETTING_WRAPPER_MAX_TOKEN_AMOUNT = "wrapperMaxTokens";
    bytes32 internal constant SETTING_WRAPPER_MINT_FEE_RATE = "wrapperMintFeeRate";
    bytes32 internal constant SETTING_WRAPPER_BURN_FEE_RATE = "wrapperBurnFeeRate";
    bytes32 internal constant SETTING_INTERACTION_DELAY = "interactionDelay";
    bytes32 internal constant SETTING_COLLAPSE_FEE_RATE = "collapseFeeRate";
    bytes32 internal constant SETTING_ATOMIC_MAX_VOLUME_PER_BLOCK = "atomicMaxVolumePerBlock";
    bytes32 internal constant SETTING_ATOMIC_TWAP_WINDOW = "atomicTwapWindow";
    bytes32 internal constant SETTING_ATOMIC_EQUIVALENT_FOR_DEX_PRICING = "atomicEquivalentForDexPricing";
    bytes32 internal constant SETTING_ATOMIC_EXCHANGE_FEE_RATE = "atomicExchangeFeeRate";
    bytes32 internal constant SETTING_ATOMIC_VOLATILITY_CONSIDERATION_WINDOW = "atomicVolConsiderationWindow";
    bytes32 internal constant SETTING_ATOMIC_VOLATILITY_UPDATE_THRESHOLD = "atomicVolUpdateThreshold";
    bytes32 internal constant SETTING_PURE_CHAINLINK_PRICE_FOR_ATOMIC_SWAPS_ENABLED = "pureChainlinkForAtomicsEnabled";
    bytes32 internal constant SETTING_CROSS_SYNTH_TRANSFER_ENABLED = "crossChainSynthTransferEnabled";

    bytes32 internal constant CONTRACT_FLEXIBLESTORAGE = "FlexibleStorage";

    enum CrossDomainMessageGasLimits {Deposit, Escrow, Reward, Withdrawal, CloseFeePeriod, Relay}

    struct DynamicFeeConfig {
        uint threshold;
        uint weightDecay;
        uint rounds;
        uint maxFee;
    }

    constructor(address _resolver) internal MixinResolver(_resolver) {}

    function resolverAddressesRequired() public view returns (bytes32[] memory addresses) {
        addresses = new bytes32[](1);
        addresses[0] = CONTRACT_FLEXIBLESTORAGE;
    }

    function flexibleStorage() internal view returns (IFlexibleStorage) {
        return IFlexibleStorage(requireAndGetAddress(CONTRACT_FLEXIBLESTORAGE));
    }

    function _getGasLimitSetting(CrossDomainMessageGasLimits gasLimitType) internal pure returns (bytes32) {
        if (gasLimitType == CrossDomainMessageGasLimits.Deposit) {
            return SETTING_CROSS_DOMAIN_DEPOSIT_GAS_LIMIT;
        } else if (gasLimitType == CrossDomainMessageGasLimits.Escrow) {
            return SETTING_CROSS_DOMAIN_ESCROW_GAS_LIMIT;
        } else if (gasLimitType == CrossDomainMessageGasLimits.Reward) {
            return SETTING_CROSS_DOMAIN_REWARD_GAS_LIMIT;
        } else if (gasLimitType == CrossDomainMessageGasLimits.Withdrawal) {
            return SETTING_CROSS_DOMAIN_WITHDRAWAL_GAS_LIMIT;
        } else if (gasLimitType == CrossDomainMessageGasLimits.Relay) {
            return SETTING_CROSS_DOMAIN_RELAY_GAS_LIMIT;
        } else if (gasLimitType == CrossDomainMessageGasLimits.CloseFeePeriod) {
            return SETTING_CROSS_DOMAIN_FEE_PERIOD_CLOSE_GAS_LIMIT;
        } else {
            revert("Unknown gas limit type");
        }
    }

    function getCrossDomainMessageGasLimit(CrossDomainMessageGasLimits gasLimitType) internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, _getGasLimitSetting(gasLimitType));
    }

    function getTradingRewardsEnabled() internal view returns (bool) {
        return flexibleStorage().getBoolValue(SETTING_CONTRACT_NAME, SETTING_TRADING_REWARDS_ENABLED);
    }

    function getWaitingPeriodSecs() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_WAITING_PERIOD_SECS);
    }

    function getPriceDeviationThresholdFactor() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_PRICE_DEVIATION_THRESHOLD_FACTOR);
    }

    function getIssuanceRatio() internal view returns (uint) {
        // lookup on flexible storage directly for gas savings (rather than via SystemSettings)
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_ISSUANCE_RATIO);
    }

    function getFeePeriodDuration() internal view returns (uint) {
        // lookup on flexible storage directly for gas savings (rather than via SystemSettings)
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_FEE_PERIOD_DURATION);
    }

    function getTargetThreshold() internal view returns (uint) {
        // lookup on flexible storage directly for gas savings (rather than via SystemSettings)
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_TARGET_THRESHOLD);
    }

    function getLiquidationDelay() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_LIQUIDATION_DELAY);
    }

    function getLiquidationRatio() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_LIQUIDATION_RATIO);
    }

    function getLiquidationEscrowDuration() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_LIQUIDATION_ESCROW_DURATION);
    }

    function getLiquidationPenalty() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_LIQUIDATION_PENALTY);
    }

    function getSnxLiquidationPenalty() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_SNX_LIQUIDATION_PENALTY);
    }

    function getSelfLiquidationPenalty() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_SELF_LIQUIDATION_PENALTY);
    }

    function getFlagReward() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_FLAG_REWARD);
    }

    function getLiquidateReward() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_LIQUIDATE_REWARD);
    }

    function getRateStalePeriod() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_RATE_STALE_PERIOD);
    }

    /* ========== Exchange Related Fees ========== */
    function getExchangeFeeRate(bytes32 currencyKey) internal view returns (uint) {
        return
            flexibleStorage().getUIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_EXCHANGE_FEE_RATE, currencyKey))
            );
    }

    /// @notice Get exchange dynamic fee related keys
    /// @return threshold, weight decay, rounds, and max fee
    function getExchangeDynamicFeeConfig() internal view returns (DynamicFeeConfig memory) {
        bytes32[] memory keys = new bytes32[](4);
        keys[0] = SETTING_EXCHANGE_DYNAMIC_FEE_THRESHOLD;
        keys[1] = SETTING_EXCHANGE_DYNAMIC_FEE_WEIGHT_DECAY;
        keys[2] = SETTING_EXCHANGE_DYNAMIC_FEE_ROUNDS;
        keys[3] = SETTING_EXCHANGE_MAX_DYNAMIC_FEE;
        uint[] memory values = flexibleStorage().getUIntValues(SETTING_CONTRACT_NAME, keys);
        return DynamicFeeConfig({threshold: values[0], weightDecay: values[1], rounds: values[2], maxFee: values[3]});
    }

    /* ========== End Exchange Related Fees ========== */

    function getMinimumStakeTime() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_MINIMUM_STAKE_TIME);
    }

    function getAggregatorWarningFlags() internal view returns (address) {
        return flexibleStorage().getAddressValue(SETTING_CONTRACT_NAME, SETTING_AGGREGATOR_WARNING_FLAGS);
    }

    function getDebtSnapshotStaleTime() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_DEBT_SNAPSHOT_STALE_TIME);
    }

    function getEtherWrapperMaxETH() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_ETHER_WRAPPER_MAX_ETH);
    }

    function getEtherWrapperMintFeeRate() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_ETHER_WRAPPER_MINT_FEE_RATE);
    }

    function getEtherWrapperBurnFeeRate() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_ETHER_WRAPPER_BURN_FEE_RATE);
    }

    function getWrapperMaxTokenAmount(address wrapper) internal view returns (uint) {
        return
            flexibleStorage().getUIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_WRAPPER_MAX_TOKEN_AMOUNT, wrapper))
            );
    }

    function getWrapperMintFeeRate(address wrapper) internal view returns (int) {
        return
            flexibleStorage().getIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_WRAPPER_MINT_FEE_RATE, wrapper))
            );
    }

    function getWrapperBurnFeeRate(address wrapper) internal view returns (int) {
        return
            flexibleStorage().getIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_WRAPPER_BURN_FEE_RATE, wrapper))
            );
    }

    function getInteractionDelay(address collateral) internal view returns (uint) {
        return
            flexibleStorage().getUIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_INTERACTION_DELAY, collateral))
            );
    }

    function getCollapseFeeRate(address collateral) internal view returns (uint) {
        return
            flexibleStorage().getUIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_COLLAPSE_FEE_RATE, collateral))
            );
    }

    function getAtomicMaxVolumePerBlock() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_ATOMIC_MAX_VOLUME_PER_BLOCK);
    }

    function getAtomicTwapWindow() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_ATOMIC_TWAP_WINDOW);
    }

    function getAtomicEquivalentForDexPricing(bytes32 currencyKey) internal view returns (address) {
        return
            flexibleStorage().getAddressValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_ATOMIC_EQUIVALENT_FOR_DEX_PRICING, currencyKey))
            );
    }

    function getAtomicExchangeFeeRate(bytes32 currencyKey) internal view returns (uint) {
        return
            flexibleStorage().getUIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_ATOMIC_EXCHANGE_FEE_RATE, currencyKey))
            );
    }

    function getAtomicVolatilityConsiderationWindow(bytes32 currencyKey) internal view returns (uint) {
        return
            flexibleStorage().getUIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_ATOMIC_VOLATILITY_CONSIDERATION_WINDOW, currencyKey))
            );
    }

    function getAtomicVolatilityUpdateThreshold(bytes32 currencyKey) internal view returns (uint) {
        return
            flexibleStorage().getUIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_ATOMIC_VOLATILITY_UPDATE_THRESHOLD, currencyKey))
            );
    }

    function getPureChainlinkPriceForAtomicSwapsEnabled(bytes32 currencyKey) internal view returns (bool) {
        return
            flexibleStorage().getBoolValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_PURE_CHAINLINK_PRICE_FOR_ATOMIC_SWAPS_ENABLED, currencyKey))
            );
    }

    function getCrossChainSynthTransferEnabled(bytes32 currencyKey) internal view returns (uint) {
        return
            flexibleStorage().getUIntValue(
                SETTING_CONTRACT_NAME,
                keccak256(abi.encodePacked(SETTING_CROSS_SYNTH_TRANSFER_ENABLED, currencyKey))
            );
    }

    function getExchangeMaxDynamicFee() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_EXCHANGE_MAX_DYNAMIC_FEE);
    }

    function getExchangeDynamicFeeRounds() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_EXCHANGE_DYNAMIC_FEE_ROUNDS);
    }

    function getExchangeDynamicFeeThreshold() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_EXCHANGE_DYNAMIC_FEE_THRESHOLD);
    }

    function getExchangeDynamicFeeWeightDecay() internal view returns (uint) {
        return flexibleStorage().getUIntValue(SETTING_CONTRACT_NAME, SETTING_EXCHANGE_DYNAMIC_FEE_WEIGHT_DECAY);
    }
}


/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // 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, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, "SafeMath: division by zero");
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b != 0, "SafeMath: modulo by zero");
        return a % b;
    }
}


// Libraries


// https://docs.synthetix.io/contracts/source/libraries/safedecimalmath
library SafeDecimalMath {
    using SafeMath for uint;

    /* Number of decimal places in the representations. */
    uint8 public constant decimals = 18;
    uint8 public constant highPrecisionDecimals = 27;

    /* The number representing 1.0. */
    uint public constant UNIT = 10**uint(decimals);

    /* The number representing 1.0 for higher fidelity numbers. */
    uint public constant PRECISE_UNIT = 10**uint(highPrecisionDecimals);
    uint private constant UNIT_TO_HIGH_PRECISION_CONVERSION_FACTOR = 10**uint(highPrecisionDecimals - decimals);

    /**
     * @return Provides an interface to UNIT.
     */
    function unit() external pure returns (uint) {
        return UNIT;
    }

    /**
     * @return Provides an interface to PRECISE_UNIT.
     */
    function preciseUnit() external pure returns (uint) {
        return PRECISE_UNIT;
    }

    /**
     * @return The result of multiplying x and y, interpreting the operands as fixed-point
     * decimals.
     *
     * @dev A unit factor is divided out after the product of x and y is evaluated,
     * so that product must be less than 2**256. As this is an integer division,
     * the internal division always rounds down. This helps save on gas. Rounding
     * is more expensive on gas.
     */
    function multiplyDecimal(uint x, uint y) internal pure returns (uint) {
        /* Divide by UNIT to remove the extra factor introduced by the product. */
        return x.mul(y) / UNIT;
    }

    /**
     * @return The result of safely multiplying x and y, interpreting the operands
     * as fixed-point decimals of the specified precision unit.
     *
     * @dev The operands should be in the form of a the specified unit factor which will be
     * divided out after the product of x and y is evaluated, so that product must be
     * less than 2**256.
     *
     * Unlike multiplyDecimal, this function rounds the result to the nearest increment.
     * Rounding is useful when you need to retain fidelity for small decimal numbers
     * (eg. small fractions or percentages).
     */
    function _multiplyDecimalRound(
        uint x,
        uint y,
        uint precisionUnit
    ) private pure returns (uint) {
        /* Divide by UNIT to remove the extra factor introduced by the product. */
        uint quotientTimesTen = x.mul(y) / (precisionUnit / 10);

        if (quotientTimesTen % 10 >= 5) {
            quotientTimesTen += 10;
        }

        return quotientTimesTen / 10;
    }

    /**
     * @return The result of safely multiplying x and y, interpreting the operands
     * as fixed-point decimals of a precise unit.
     *
     * @dev The operands should be in the precise unit factor which will be
     * divided out after the product of x and y is evaluated, so that product must be
     * less than 2**256.
     *
     * Unlike multiplyDecimal, this function rounds the result to the nearest increment.
     * Rounding is useful when you need to retain fidelity for small decimal numbers
     * (eg. small fractions or percentages).
     */
    function multiplyDecimalRoundPrecise(uint x, uint y) internal pure returns (uint) {
        return _multiplyDecimalRound(x, y, PRECISE_UNIT);
    }

    /**
     * @return The result of safely multiplying x and y, interpreting the operands
     * as fixed-point decimals of a standard unit.
     *
     * @dev The operands should be in the standard unit factor which will be
     * divided out after the product of x and y is evaluated, so that product must be
     * less than 2**256.
     *
     * Unlike multiplyDecimal, this function rounds the result to the nearest increment.
     * Rounding is useful when you need to retain fidelity for small decimal numbers
     * (eg. small fractions or percentages).
     */
    function multiplyDecimalRound(uint x, uint y) internal pure returns (uint) {
        return _multiplyDecimalRound(x, y, UNIT);
    }

    /**
     * @return The result of safely dividing x and y. The return value is a high
     * precision decimal.
     *
     * @dev y is divided after the product of x and the standard precision unit
     * is evaluated, so the product of x and UNIT must be less than 2**256. As
     * this is an integer division, the result is always rounded down.
     * This helps save on gas. Rounding is more expensive on gas.
     */
    function divideDecimal(uint x, uint y) internal pure returns (uint) {
        /* Reintroduce the UNIT factor that will be divided out by y. */
        return x.mul(UNIT).div(y);
    }

    /**
     * @return The result of safely dividing x and y. The return value is as a rounded
     * decimal in the precision unit specified in the parameter.
     *
     * @dev y is divided after the product of x and the specified precision unit
     * is evaluated, so the product of x and the specified precision unit must
     * be less than 2**256. The result is rounded to the nearest increment.
     */
    function _divideDecimalRound(
        uint x,
        uint y,
        uint precisionUnit
    ) private pure returns (uint) {
        uint resultTimesTen = x.mul(precisionUnit * 10).div(y);

        if (resultTimesTen % 10 >= 5) {
            resultTimesTen += 10;
        }

        return resultTimesTen / 10;
    }

    /**
     * @return The result of safely dividing x and y. The return value is as a rounded
     * standard precision decimal.
     *
     * @dev y is divided after the product of x and the standard precision unit
     * is evaluated, so the product of x and the standard precision unit must
     * be less than 2**256. The result is rounded to the nearest increment.
     */
    function divideDecimalRound(uint x, uint y) internal pure returns (uint) {
        return _divideDecimalRound(x, y, UNIT);
    }

    /**
     * @return The result of safely dividing x and y. The return value is as a rounded
     * high precision decimal.
     *
     * @dev y is divided after the product of x and the high precision unit
     * is evaluated, so the product of x and the high precision unit must
     * be less than 2**256. The result is rounded to the nearest increment.
     */
    function divideDecimalRoundPrecise(uint x, uint y) internal pure returns (uint) {
        return _divideDecimalRound(x, y, PRECISE_UNIT);
    }

    /**
     * @dev Convert a standard decimal representation to a high precision one.
     */
    function decimalToPreciseDecimal(uint i) internal pure returns (uint) {
        return i.mul(UNIT_TO_HIGH_PRECISION_CONVERSION_FACTOR);
    }

    /**
     * @dev Convert a high precision decimal to a standard decimal representation.
     */
    function preciseDecimalToDecimal(uint i) internal pure returns (uint) {
        uint quotientTimesTen = i / (UNIT_TO_HIGH_PRECISION_CONVERSION_FACTOR / 10);

        if (quotientTimesTen % 10 >= 5) {
            quotientTimesTen += 10;
        }

        return quotientTimesTen / 10;
    }

    // Computes `a - b`, setting the value to 0 if b > a.
    function floorsub(uint a, uint b) internal pure returns (uint) {
        return b >= a ? 0 : a - b;
    }

    /* ---------- Utilities ---------- */
    /*
     * Absolute value of the input, returned as a signed number.
     */
    function signedAbs(int x) internal pure returns (int) {
        return x < 0 ? -x : x;
    }

    /*
     * Absolute value of the input, returned as an unsigned number.
     */
    function abs(int x) internal pure returns (uint) {
        return uint(signedAbs(x));
    }
}


// https://docs.synthetix.io/contracts/source/interfaces/isystemstatus
interface ISystemStatus {
    struct Status {
        bool canSuspend;
        bool canResume;
    }

    struct Suspension {
        bool suspended;
        // reason is an integer code,
        // 0 => no reason, 1 => upgrading, 2+ => defined by system usage
        uint248 reason;
    }

    // Views
    function accessControl(bytes32 section, address account) external view returns (bool canSuspend, bool canResume);

    function requireSystemActive() external view;

    function systemSuspended() external view returns (bool);

    function requireIssuanceActive() external view;

    function requireExchangeActive() external view;

    function requireFuturesActive() external view;

    function requireFuturesMarketActive(bytes32 marketKey) external view;

    function requireExchangeBetweenSynthsAllowed(bytes32 sourceCurrencyKey, bytes32 destinationCurrencyKey) external view;

    function requireSynthActive(bytes32 currencyKey) external view;

    function synthSuspended(bytes32 currencyKey) external view returns (bool);

    function requireSynthsActive(bytes32 sourceCurrencyKey, bytes32 destinationCurrencyKey) external view;

    function systemSuspension() external view returns (bool suspended, uint248 reason);

    function issuanceSuspension() external view returns (bool suspended, uint248 reason);

    function exchangeSuspension() external view returns (bool suspended, uint248 reason);

    function futuresSuspension() external view returns (bool suspended, uint248 reason);

    function synthExchangeSuspension(bytes32 currencyKey) external view returns (bool suspended, uint248 reason);

    function synthSuspension(bytes32 currencyKey) external view returns (bool suspended, uint248 reason);

    function futuresMarketSuspension(bytes32 marketKey) external view returns (bool suspended, uint248 reason);

    function getSynthExchangeSuspensions(bytes32[] calldata synths)
        external
        view
        returns (bool[] memory exchangeSuspensions, uint256[] memory reasons);

    function getSynthSuspensions(bytes32[] calldata synths)
        external
        view
        returns (bool[] memory suspensions, uint256[] memory reasons);

    function getFuturesMarketSuspensions(bytes32[] calldata marketKeys)
        external
        view
        returns (bool[] memory suspensions, uint256[] memory reasons);

    // Restricted functions
    function suspendIssuance(uint256 reason) external;

    function suspendSynth(bytes32 currencyKey, uint256 reason) external;

    function suspendFuturesMarket(bytes32 marketKey, uint256 reason) external;

    function updateAccessControl(
        bytes32 section,
        address account,
        bool canSuspend,
        bool canResume
    ) external;
}


// https://docs.synthetix.io/contracts/source/interfaces/ierc20
interface IERC20 {
    // ERC20 Optional Views
    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);

    // Views
    function totalSupply() external view returns (uint);

    function balanceOf(address owner) external view returns (uint);

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

    // Mutative functions
    function transfer(address to, uint value) external returns (bool);

    function approve(address spender, uint value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint value
    ) external returns (bool);

    // Events
    event Transfer(address indexed from, address indexed to, uint value);

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


// https://docs.synthetix.io/contracts/source/interfaces/ICircuitBreaker
interface ICircuitBreaker {
    // Views
    function isInvalid(address oracleAddress, uint value) external view returns (bool);

    function priceDeviationThresholdFactor() external view returns (uint);

    function isDeviationAboveThreshold(uint base, uint comparison) external view returns (bool);

    function lastValue(address oracleAddress) external view returns (uint);

    function circuitBroken(address oracleAddress) external view returns (bool);

    // Mutative functions
    function resetLastValue(address[] calldata oracleAddresses, uint[] calldata values) external;

    function probeCircuitBreaker(address oracleAddress, uint value) external returns (bool circuitBroken);
}


// https://docs.synthetix.io/contracts/source/interfaces/ifeepool
interface IFeePool {
    // Views

    // solhint-disable-next-line func-name-mixedcase
    function FEE_ADDRESS() external view returns (address);

    function feesAvailable(address account) external view returns (uint, uint);

    function feesBurned(address account) external view returns (uint);

    function feesToBurn(address account) external view returns (uint);

    function feePeriodDuration() external view returns (uint);

    function isFeesClaimable(address account) external view returns (bool);

    function targetThreshold() external view returns (uint);

    function totalFeesAvailable() external view returns (uint);

    function totalFeesBurned() external view returns (uint);

    function totalRewardsAvailable() external view returns (uint);

    // Mutative Functions
    function claimFees() external returns (bool);

    function claimOnBehalf(address claimingForAddress) external returns (bool);

    function closeCurrentFeePeriod() external;

    function closeSecondary(uint snxBackedDebt, uint debtShareSupply) external;

    function recordFeePaid(uint sUSDAmount) external;

    function setRewardsToDistribute(uint amount) external;
}


// https://docs.synthetix.io/contracts/source/interfaces/idelegateapprovals
interface IDelegateApprovals {
    // Views
    function canBurnFor(address authoriser, address delegate) external view returns (bool);

    function canIssueFor(address authoriser, address delegate) external view returns (bool);

    function canClaimFor(address authoriser, address delegate) external view returns (bool);

    function canExchangeFor(address authoriser, address delegate) external view returns (bool);

    // Mutative
    function approveAllDelegatePowers(address delegate) external;

    function removeAllDelegatePowers(address delegate) external;

    function approveBurnOnBehalf(address delegate) external;

    function removeBurnOnBehalf(address delegate) external;

    function approveIssueOnBehalf(address delegate) external;

    function removeIssueOnBehalf(address delegate) external;

    function approveClaimOnBehalf(address delegate) external;

    function removeClaimOnBehalf(address delegate) external;

    function approveExchangeOnBehalf(address delegate) external;

    function removeExchangeOnBehalf(address delegate) external;
}


// https://docs.synthetix.io/contracts/source/interfaces/itradingrewards
interface ITradingRewards {
    /* ========== VIEWS ========== */

    function getAvailableRewards() external view returns (uint);

    function getUnassignedRewards() external view returns (uint);

    function getRewardsToken() external view returns (address);

    function getPeriodController() external view returns (address);

    function getCurrentPeriod() external view returns (uint);

    function getPeriodIsClaimable(uint periodID) external view returns (bool);

    function getPeriodIsFinalized(uint periodID) external view returns (bool);

    function getPeriodRecordedFees(uint periodID) external view returns (uint);

    function getPeriodTotalRewards(uint periodID) external view returns (uint);

    function getPeriodAvailableRewards(uint periodID) external view returns (uint);

    function getUnaccountedFeesForAccountForPeriod(address account, uint periodID) external view returns (uint);

    function getAvailableRewardsForAccountForPeriod(address account, uint periodID) external view returns (uint);

    function getAvailableRewardsForAccountForPeriods(address account, uint[] calldata periodIDs)
        external
        view
        returns (uint totalRewards);

    /* ========== MUTATIVE FUNCTIONS ========== */

    function claimRewardsForPeriod(uint periodID) external;

    function claimRewardsForPeriods(uint[] calldata periodIDs) external;

    /* ========== RESTRICTED FUNCTIONS ========== */

    function recordExchangeFeeForAccount(uint usdFeeAmount, address account) external;

    function closeCurrentPeriodWithRewards(uint rewards) external;

    function recoverTokens(address tokenAddress, address recoverAddress) external;

    function recoverUnassignedRewardTokens(address recoverAddress) external;

    function recoverAssignedRewardTokensAndDestroyPeriod(address recoverAddress, uint periodID) external;

    function setPeriodController(address newPeriodController) external;
}


interface IVirtualSynth {
    // Views
    function balanceOfUnderlying(address account) external view returns (uint);

    function rate() external view returns (uint);

    function readyToSettle() external view returns (bool);

    function secsLeftInWaitingPeriod() external view returns (uint);

    function settled() external view returns (bool);

    function synth() external view returns (ISynth);

    // Mutative functions
    function settle(address account) external;
}


pragma experimental ABIEncoderV2;


// https://docs.synthetix.io/contracts/source/interfaces/iexchanger
interface IExchanger {
    struct ExchangeEntrySettlement {
        bytes32 src;
        uint amount;
        bytes32 dest;
        uint reclaim;
        uint rebate;
        uint srcRoundIdAtPeriodEnd;
        uint destRoundIdAtPeriodEnd;
        uint timestamp;
    }

    struct ExchangeEntry {
        uint sourceRate;
        uint destinationRate;
        uint destinationAmount;
        uint exchangeFeeRate;
        uint exchangeDynamicFeeRate;
        uint roundIdForSrc;
        uint roundIdForDest;
        uint sourceAmountAfterSettlement;
    }

    // Views
    function calculateAmountAfterSettlement(
        address from,
        bytes32 currencyKey,
        uint amount,
        uint refunded
    ) external view returns (uint amountAfterSettlement);

    function isSynthRateInvalid(bytes32 currencyKey) external view returns (bool);

    function maxSecsLeftInWaitingPeriod(address account, bytes32 currencyKey) external view returns (uint);

    function settlementOwing(address account, bytes32 currencyKey)
        external
        view
        returns (
            uint reclaimAmount,
            uint rebateAmount,
            uint numEntries
        );

    function hasWaitingPeriodOrSettlementOwing(address account, bytes32 currencyKey) external view returns (bool);

    function feeRateForExchange(bytes32 sourceCurrencyKey, bytes32 destinationCurrencyKey) external view returns (uint);

    function dynamicFeeRateForExchange(bytes32 sourceCurrencyKey, bytes32 destinationCurrencyKey)
        external
        view
        returns (uint feeRate, bool tooVolatile);

    function getAmountsForExchange(
        uint sourceAmount,
        bytes32 sourceCurrencyKey,
        bytes32 destinationCurrencyKey
    )
        external
        view
        returns (
            uint amountReceived,
            uint fee,
            uint exchangeFeeRate
        );

    function priceDeviationThresholdFactor() external view returns (uint);

    function waitingPeriodSecs() external view returns (uint);

    function lastExchangeRate(bytes32 currencyKey) external view returns (uint);

    // Mutative functions
    function exchange(
        address exchangeForAddress,
        address from,
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address destinationAddress,
        bool virtualSynth,
        address rewardAddress,
        bytes32 trackingCode
    ) external returns (uint amountReceived, IVirtualSynth vSynth);

    function exchangeAtomically(
        address from,
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address destinationAddress,
        bytes32 trackingCode,
        uint minAmount
    ) external returns (uint amountReceived);

    function settle(address from, bytes32 currencyKey)
        external
        returns (
            uint reclaimed,
            uint refunded,
            uint numEntries
        );
}

// Used to have strongly-typed access to internal mutative functions in Synthetix
interface ISynthetixInternal {
    function emitExchangeTracking(
        bytes32 trackingCode,
        bytes32 toCurrencyKey,
        uint256 toAmount,
        uint256 fee
    ) external;

    function emitSynthExchange(
        address account,
        bytes32 fromCurrencyKey,
        uint fromAmount,
        bytes32 toCurrencyKey,
        uint toAmount,
        address toAddress
    ) external;

    function emitAtomicSynthExchange(
        address account,
        bytes32 fromCurrencyKey,
        uint fromAmount,
        bytes32 toCurrencyKey,
        uint toAmount,
        address toAddress
    ) external;

    function emitExchangeReclaim(
        address account,
        bytes32 currencyKey,
        uint amount
    ) external;

    function emitExchangeRebate(
        address account,
        bytes32 currencyKey,
        uint amount
    ) external;
}

interface IExchangerInternalDebtCache {
    function updateCachedSynthDebtsWithRates(bytes32[] calldata currencyKeys, uint[] calldata currencyRates) external;

    function updateCachedSynthDebts(bytes32[] calldata currencyKeys) external;
}


// https://docs.synthetix.io/contracts/source/interfaces/IDirectIntegration
interface IDirectIntegrationManager {
    struct ParameterIntegrationSettings {
        bytes32 currencyKey;
        address dexPriceAggregator;
        address atomicEquivalentForDexPricing;
        uint atomicExchangeFeeRate;
        uint atomicTwapWindow;
        uint atomicMaxVolumePerBlock;
        uint atomicVolatilityConsiderationWindow;
        uint atomicVolatilityUpdateThreshold;
        uint exchangeFeeRate;
        uint exchangeMaxDynamicFee;
        uint exchangeDynamicFeeRounds;
        uint exchangeDynamicFeeThreshold;
        uint exchangeDynamicFeeWeightDecay;
    }

    function getExchangeParameters(address integration, bytes32 key)
        external
        view
        returns (ParameterIntegrationSettings memory settings);

    function setExchangeParameters(
        address integration,
        bytes32[] calldata currencyKeys,
        ParameterIntegrationSettings calldata params
    ) external;
}


// https://docs.synthetix.io/contracts/source/interfaces/iexchangerates
interface IExchangeRates {
    // Structs
    struct RateAndUpdatedTime {
        uint216 rate;
        uint40 time;
    }

    // Views
    function aggregators(bytes32 currencyKey) external view returns (address);

    function aggregatorWarningFlags() external view returns (address);

    function anyRateIsInvalid(bytes32[] calldata currencyKeys) external view returns (bool);

    function anyRateIsInvalidAtRound(bytes32[] calldata currencyKeys, uint[] calldata roundIds) external view returns (bool);

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

    function effectiveValue(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey
    ) external view returns (uint value);

    function effectiveValueAndRates(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey
    )
        external
        view
        returns (
            uint value,
            uint sourceRate,
            uint destinationRate
        );

    function effectiveValueAndRatesAtRound(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        uint roundIdForSrc,
        uint roundIdForDest
    )
        external
        view
        returns (
            uint value,
            uint sourceRate,
            uint destinationRate
        );

    function effectiveAtomicValueAndRates(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey
    )
        external
        view
        returns (
            uint value,
            uint systemValue,
            uint systemSourceRate,
            uint systemDestinationRate
        );

    function effectiveAtomicValueAndRates(
        IDirectIntegrationManager.ParameterIntegrationSettings calldata sourceSettings,
        uint sourceAmount,
        IDirectIntegrationManager.ParameterIntegrationSettings calldata destinationSettings,
        IDirectIntegrationManager.ParameterIntegrationSettings calldata usdSettings
    )
        external
        view
        returns (
            uint value,
            uint systemValue,
            uint systemSourceRate,
            uint systemDestinationRate
        );

    function getCurrentRoundId(bytes32 currencyKey) external view returns (uint);

    function getLastRoundIdBeforeElapsedSecs(
        bytes32 currencyKey,
        uint startingRoundId,
        uint startingTimestamp,
        uint timediff
    ) external view returns (uint);

    function lastRateUpdateTimes(bytes32 currencyKey) external view returns (uint256);

    function rateAndTimestampAtRound(bytes32 currencyKey, uint roundId) external view returns (uint rate, uint time);

    function rateAndUpdatedTime(bytes32 currencyKey) external view returns (uint rate, uint time);

    function rateAndInvalid(bytes32 currencyKey) external view returns (uint rate, bool isInvalid);

    function rateForCurrency(bytes32 currencyKey) external view returns (uint);

    function rateIsFlagged(bytes32 currencyKey) external view returns (bool);

    function rateIsInvalid(bytes32 currencyKey) external view returns (bool);

    function rateIsStale(bytes32 currencyKey) external view returns (bool);

    function rateStalePeriod() external view returns (uint);

    function ratesAndUpdatedTimeForCurrencyLastNRounds(
        bytes32 currencyKey,
        uint numRounds,
        uint roundId
    ) external view returns (uint[] memory rates, uint[] memory times);

    function ratesAndInvalidForCurrencies(bytes32[] calldata currencyKeys)
        external
        view
        returns (uint[] memory rates, bool anyRateInvalid);

    function ratesForCurrencies(bytes32[] calldata currencyKeys) external view returns (uint[] memory);

    function synthTooVolatileForAtomicExchange(bytes32 currencyKey) external view returns (bool);

    function synthTooVolatileForAtomicExchange(IDirectIntegrationManager.ParameterIntegrationSettings calldata settings)
        external
        view
        returns (bool);

    function rateWithSafetyChecks(bytes32 currencyKey)
        external
        returns (
            uint rate,
            bool broken,
            bool invalid
        );
}


// https://docs.synthetix.io/contracts/source/interfaces/iexchangestate
interface IExchangeState {
    // Views
    struct ExchangeEntry {
        bytes32 src;
        uint amount;
        bytes32 dest;
        uint amountReceived;
        uint exchangeFeeRate;
        uint timestamp;
        uint roundIdForSrc;
        uint roundIdForDest;
    }

    function getLengthOfEntries(address account, bytes32 currencyKey) external view returns (uint);

    function getEntryAt(
        address account,
        bytes32 currencyKey,
        uint index
    )
        external
        view
        returns (
            bytes32 src,
            uint amount,
            bytes32 dest,
            uint amountReceived,
            uint exchangeFeeRate,
            uint timestamp,
            uint roundIdForSrc,
            uint roundIdForDest
        );

    function getMaxTimestamp(address account, bytes32 currencyKey) external view returns (uint);

    // Mutative functions
    function appendExchangeEntry(
        address account,
        bytes32 src,
        uint amount,
        bytes32 dest,
        uint amountReceived,
        uint exchangeFeeRate,
        uint timestamp,
        uint roundIdForSrc,
        uint roundIdForDest
    ) external;

    function removeEntries(address account, bytes32 currencyKey) external;
}


interface IDebtCache {
    // Views

    function cachedDebt() external view returns (uint);

    function cachedSynthDebt(bytes32 currencyKey) external view returns (uint);

    function cacheTimestamp() external view returns (uint);

    function cacheInvalid() external view returns (bool);

    function cacheStale() external view returns (bool);

    function isInitialized() external view returns (bool);

    function currentSynthDebts(bytes32[] calldata currencyKeys)
        external
        view
        returns (
            uint[] memory debtValues,
            uint futuresDebt,
            uint excludedDebt,
            bool anyRateIsInvalid
        );

    function cachedSynthDebts(bytes32[] calldata currencyKeys) external view returns (uint[] memory debtValues);

    function totalNonSnxBackedDebt() external view returns (uint excludedDebt, bool isInvalid);

    function currentDebt() external view returns (uint debt, bool anyRateIsInvalid);

    function cacheInfo()
        external
        view
        returns (
            uint debt,
            uint timestamp,
            bool isInvalid,
            bool isStale
        );

    function excludedIssuedDebts(bytes32[] calldata currencyKeys) external view returns (uint[] memory excludedDebts);

    // Mutative functions

    function updateCachedSynthDebts(bytes32[] calldata currencyKeys) external;

    function updateCachedSynthDebtWithRate(bytes32 currencyKey, uint currencyRate) external;

    function updateCachedSynthDebtsWithRates(bytes32[] calldata currencyKeys, uint[] calldata currencyRates) external;

    function updateDebtCacheValidity(bool currentlyInvalid) external;

    function purgeCachedSynthDebt(bytes32 currencyKey) external;

    function takeDebtSnapshot() external;

    function recordExcludedDebtChange(bytes32 currencyKey, int256 delta) external;

    function updateCachedsUSDDebt(int amount) external;

    function importExcludedIssuedDebts(IDebtCache prevDebtCache, IIssuer prevIssuer) external;
}


// https://docs.synthetix.io/contracts/source/interfaces/isynthetix
interface ISynthetix {
    // Views
    function anySynthOrSNXRateIsInvalid() external view returns (bool anyRateInvalid);

    function availableCurrencyKeys() external view returns (bytes32[] memory);

    function availableSynthCount() external view returns (uint);

    function availableSynths(uint index) external view returns (ISynth);

    function collateral(address account) external view returns (uint);

    function collateralisationRatio(address issuer) external view returns (uint);

    function debtBalanceOf(address issuer, bytes32 currencyKey) external view returns (uint);

    function isWaitingPeriod(bytes32 currencyKey) external view returns (bool);

    function maxIssuableSynths(address issuer) external view returns (uint maxIssuable);

    function remainingIssuableSynths(address issuer)
        external
        view
        returns (
            uint maxIssuable,
            uint alreadyIssued,
            uint totalSystemDebt
        );

    function synths(bytes32 currencyKey) external view returns (ISynth);

    function synthsByAddress(address synthAddress) external view returns (bytes32);

    function totalIssuedSynths(bytes32 currencyKey) external view returns (uint);

    function totalIssuedSynthsExcludeOtherCollateral(bytes32 currencyKey) external view returns (uint);

    function transferableSynthetix(address account) external view returns (uint transferable);

    function getFirstNonZeroEscrowIndex(address account) external view returns (uint);

    // Mutative Functions
    function burnSynths(uint amount) external;

    function burnSynthsOnBehalf(address burnForAddress, uint amount) external;

    function burnSynthsToTarget() external;

    function burnSynthsToTargetOnBehalf(address burnForAddress) external;

    function exchange(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey
    ) external returns (uint amountReceived);

    function exchangeOnBehalf(
        address exchangeForAddress,
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey
    ) external returns (uint amountReceived);

    function exchangeWithTracking(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address rewardAddress,
        bytes32 trackingCode
    ) external returns (uint amountReceived);

    function exchangeWithTrackingForInitiator(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address rewardAddress,
        bytes32 trackingCode
    ) external returns (uint amountReceived);

    function exchangeOnBehalfWithTracking(
        address exchangeForAddress,
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address rewardAddress,
        bytes32 trackingCode
    ) external returns (uint amountReceived);

    function exchangeWithVirtual(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        bytes32 trackingCode
    ) external returns (uint amountReceived, IVirtualSynth vSynth);

    function exchangeAtomically(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        bytes32 trackingCode,
        uint minAmount
    ) external returns (uint amountReceived);

    function issueMaxSynths() external;

    function issueMaxSynthsOnBehalf(address issueForAddress) external;

    function issueSynths(uint amount) external;

    function issueSynthsOnBehalf(address issueForAddress, uint amount) external;

    function mint() external returns (bool);

    function settle(bytes32 currencyKey)
        external
        returns (
            uint reclaimed,
            uint refunded,
            uint numEntries
        );

    // Liquidations
    function liquidateDelinquentAccount(address account) external returns (bool);

    function liquidateDelinquentAccountEscrowIndex(address account, uint escrowStartIndex) external returns (bool);

    function liquidateSelf() external returns (bool);

    // Restricted Functions

    function mintSecondary(address account, uint amount) external;

    function mintSecondaryRewards(uint amount) external;

    function burnSecondary(address account, uint amount) external;

    function migrateAccountBalances(address account) external returns (uint totalEscrowRevoked, uint totalLiquidBalance);
}


library ExchangeSettlementLib {
    using SafeMath for uint256;
    using SafeDecimalMath for uint256;

    struct ResolvedAddresses {
        IExchangeState exchangeState;
        IExchangeRates exchangeRates;
        ICircuitBreaker circuitBreaker;
        IExchangerInternalDebtCache debtCache;
        IIssuer issuer;
        ISynthetix synthetix;
    }

    bytes32 internal constant sUSD = "sUSD";

    function internalSettle(
        ResolvedAddresses calldata resolvedAddresses,
        address from,
        bytes32 currencyKey,
        bool updateCache,
        uint waitingPeriod
    )
        external
        returns (
            uint reclaimed,
            uint refunded,
            uint numEntriesSettled
        )
    {
        require(
            maxSecsLeftInWaitingPeriod(resolvedAddresses.exchangeState, from, currencyKey, waitingPeriod) == 0,
            "Cannot settle during waiting period"
        );

        (uint reclaimAmount, uint rebateAmount, uint entries, IExchanger.ExchangeEntrySettlement[] memory settlements) =
            _settlementOwing(resolvedAddresses, from, currencyKey, waitingPeriod);

        if (reclaimAmount > rebateAmount) {
            reclaimed = reclaimAmount.sub(rebateAmount);
            _reclaim(resolvedAddresses, from, currencyKey, reclaimed);
        } else if (rebateAmount > reclaimAmount) {
            refunded = rebateAmount.sub(reclaimAmount);
            _refund(resolvedAddresses, from, currencyKey, refunded);
        }

        // by checking a reclaim or refund we also check that the currency key is still a valid synth,
        // as the deviation check will return 0 if the synth has been removed.
        if (updateCache && (reclaimed > 0 || refunded > 0)) {
            bytes32[] memory key = new bytes32[](1);
            key[0] = currencyKey;
            resolvedAddresses.debtCache.updateCachedSynthDebts(key);
        }

        // emit settlement event for each settled exchange entry
        for (uint i = 0; i < settlements.length; i++) {
            emit ExchangeEntrySettled(
                from,
                settlements[i].src,
                settlements[i].amount,
                settlements[i].dest,
                settlements[i].reclaim,
                settlements[i].rebate,
                settlements[i].srcRoundIdAtPeriodEnd,
                settlements[i].destRoundIdAtPeriodEnd,
                settlements[i].timestamp
            );
        }

        numEntriesSettled = entries;

        // Now remove all entries, even if no reclaim and no rebate
        resolvedAddresses.exchangeState.removeEntries(from, currencyKey);
    }

    function maxSecsLeftInWaitingPeriod(
        IExchangeState exchangeState,
        address account,
        bytes32 currencyKey,
        uint waitingPeriod
    ) public view returns (uint) {
        return _secsLeftInWaitingPeriodForExchange(exchangeState.getMaxTimestamp(account, currencyKey), waitingPeriod);
    }

    function _secsLeftInWaitingPeriodForExchange(uint timestamp, uint waitingPeriod) internal view returns (uint) {
        if (timestamp == 0 || now >= timestamp.add(waitingPeriod)) {
            return 0;
        }

        return timestamp.add(waitingPeriod).sub(now);
    }

    function _reclaim(
        ResolvedAddresses memory resolvedAddresses,
        address from,
        bytes32 currencyKey,
        uint amount
    ) internal {
        // burn amount from user
        resolvedAddresses.issuer.synths(currencyKey).burn(from, amount);
        ISynthetixInternal(address(resolvedAddresses.synthetix)).emitExchangeReclaim(from, currencyKey, amount);
    }

    function _refund(
        ResolvedAddresses memory resolvedAddresses,
        address from,
        bytes32 currencyKey,
        uint amount
    ) internal {
        // issue amount to user
        resolvedAddresses.issuer.synths(currencyKey).issue(from, amount);
        ISynthetixInternal(address(resolvedAddresses.synthetix)).emitExchangeRebate(from, currencyKey, amount);
    }

    function hasWaitingPeriodOrSettlementOwing(
        ResolvedAddresses calldata resolvedAddresses,
        address account,
        bytes32 currencyKey,
        uint waitingPeriod
    ) external view returns (bool) {
        if (maxSecsLeftInWaitingPeriod(resolvedAddresses.exchangeState, account, currencyKey, waitingPeriod) != 0) {
            return true;
        }

        (uint reclaimAmount, , , ) = _settlementOwing(resolvedAddresses, account, currencyKey, waitingPeriod);

        return reclaimAmount > 0;
    }

    function settlementOwing(
        ResolvedAddresses calldata resolvedAddresses,
        address account,
        bytes32 currencyKey,
        uint waitingPeriod
    )
        external
        view
        returns (
            uint reclaimAmount,
            uint rebateAmount,
            uint numEntries,
            IExchanger.ExchangeEntrySettlement[] memory
        )
    {
        return _settlementOwing(resolvedAddresses, account, currencyKey, waitingPeriod);
    }

    // Internal function to aggregate each individual rebate and reclaim entry for a synth
    function _settlementOwing(
        ResolvedAddresses memory resolvedAddresses,
        address account,
        bytes32 currencyKey,
        uint waitingPeriod
    )
        internal
        view
        returns (
            uint reclaimAmount,
            uint rebateAmount,
            uint numEntries,
            IExchanger.ExchangeEntrySettlement[] memory
        )
    {
        // Need to sum up all reclaim and rebate amounts for the user and the currency key
        numEntries = resolvedAddresses.exchangeState.getLengthOfEntries(account, currencyKey);

        // For each unsettled exchange
        IExchanger.ExchangeEntrySettlement[] memory settlements = new IExchanger.ExchangeEntrySettlement[](numEntries);
        for (uint i = 0; i < numEntries; i++) {
            // fetch the entry from storage
            IExchangeState.ExchangeEntry memory exchangeEntry =
                _getExchangeEntry(resolvedAddresses.exchangeState, account, currencyKey, i);

            // determine the last round ids for src and dest pairs when period ended or latest if not over
            (uint srcRoundIdAtPeriodEnd, uint destRoundIdAtPeriodEnd) =
                _getRoundIdsAtPeriodEnd(resolvedAddresses.exchangeRates, exchangeEntry, waitingPeriod);

            // given these round ids, determine what effective value they should have received
            uint amountShouldHaveReceived;
            {
                (uint destinationAmount, , ) =
                    resolvedAddresses.exchangeRates.effectiveValueAndRatesAtRound(
                        exchangeEntry.src,
                        exchangeEntry.amount,
                        exchangeEntry.dest,
                        srcRoundIdAtPeriodEnd,
                        destRoundIdAtPeriodEnd
                    );

                // and deduct the fee from this amount using the exchangeFeeRate from storage
                amountShouldHaveReceived = _deductFeesFromAmount(destinationAmount, exchangeEntry.exchangeFeeRate);
            }

            // SIP-65 settlements where the amount at end of waiting period is beyond the threshold, then
            // settle with no reclaim or rebate
            bool sip65condition =
                resolvedAddresses.circuitBreaker.isDeviationAboveThreshold(
                    exchangeEntry.amountReceived,
                    amountShouldHaveReceived
                );

            uint reclaim;
            uint rebate;

            if (!sip65condition) {
                if (exchangeEntry.amountReceived > amountShouldHaveReceived) {
                    // if they received more than they should have, add to the reclaim tally
                    reclaim = exchangeEntry.amountReceived.sub(amountShouldHaveReceived);
                    reclaimAmount = reclaimAmount.add(reclaim);
                } else if (amountShouldHaveReceived > exchangeEntry.amountReceived) {
                    // if less, add to the rebate tally
                    rebate = amountShouldHaveReceived.sub(exchangeEntry.amountReceived);
                    rebateAmount = rebateAmount.add(rebate);
                }
            }

            settlements[i] = IExchanger.ExchangeEntrySettlement({
                src: exchangeEntry.src,
                amount: exchangeEntry.amount,
                dest: exchangeEntry.dest,
                reclaim: reclaim,
                rebate: rebate,
                srcRoundIdAtPeriodEnd: srcRoundIdAtPeriodEnd,
                destRoundIdAtPeriodEnd: destRoundIdAtPeriodEnd,
                timestamp: exchangeEntry.timestamp
            });
        }

        return (reclaimAmount, rebateAmount, numEntries, settlements);
    }

    function _getExchangeEntry(
        IExchangeState exchangeState,
        address account,
        bytes32 currencyKey,
        uint index
    ) internal view returns (IExchangeState.ExchangeEntry memory) {
        (
            bytes32 src,
            uint amount,
            bytes32 dest,
            uint amountReceived,
            uint exchangeFeeRate,
            uint timestamp,
            uint roundIdForSrc,
            uint roundIdForDest
        ) = exchangeState.getEntryAt(account, currencyKey, index);

        return
            IExchangeState.ExchangeEntry({
                src: src,
                amount: amount,
                dest: dest,
                amountReceived: amountReceived,
                exchangeFeeRate: exchangeFeeRate,
                timestamp: timestamp,
                roundIdForSrc: roundIdForSrc,
                roundIdForDest: roundIdForDest
            });
    }

    function _getRoundIdsAtPeriodEnd(
        IExchangeRates exRates,
        IExchangeState.ExchangeEntry memory exchangeEntry,
        uint waitingPeriod
    ) internal view returns (uint srcRoundIdAtPeriodEnd, uint destRoundIdAtPeriodEnd) {
        srcRoundIdAtPeriodEnd = exRates.getLastRoundIdBeforeElapsedSecs(
            exchangeEntry.src,
            exchangeEntry.roundIdForSrc,
            exchangeEntry.timestamp,
            waitingPeriod
        );
        destRoundIdAtPeriodEnd = exRates.getLastRoundIdBeforeElapsedSecs(
            exchangeEntry.dest,
            exchangeEntry.roundIdForDest,
            exchangeEntry.timestamp,
            waitingPeriod
        );
    }

    function _deductFeesFromAmount(uint destinationAmount, uint exchangeFeeRate)
        internal
        pure
        returns (uint amountReceived)
    {
        amountReceived = destinationAmount.multiplyDecimal(SafeDecimalMath.unit().sub(exchangeFeeRate));
    }

    function appendExchange(
        ResolvedAddresses calldata resolvedAddresses,
        address account,
        bytes32 src,
        uint amount,
        bytes32 dest,
        uint amountReceived,
        uint exchangeFeeRate
    ) external {
        uint roundIdForSrc = resolvedAddresses.exchangeRates.getCurrentRoundId(src);
        uint roundIdForDest = resolvedAddresses.exchangeRates.getCurrentRoundId(dest);
        resolvedAddresses.exchangeState.appendExchangeEntry(
            account,
            src,
            amount,
            dest,
            amountReceived,
            exchangeFeeRate,
            now,
            roundIdForSrc,
            roundIdForDest
        );

        emit ExchangeEntryAppended(
            account,
            src,
            amount,
            dest,
            amountReceived,
            exchangeFeeRate,
            roundIdForSrc,
            roundIdForDest
        );
    }

    // ========== EVENTS ==========
    event ExchangeEntryAppended(
        address indexed account,
        bytes32 src,
        uint256 amount,
        bytes32 dest,
        uint256 amountReceived,
        uint256 exchangeFeeRate,
        uint256 roundIdForSrc,
        uint256 roundIdForDest
    );

    event ExchangeEntrySettled(
        address indexed from,
        bytes32 src,
        uint256 amount,
        bytes32 dest,
        uint256 reclaim,
        uint256 rebate,
        uint256 srcRoundIdAtPeriodEnd,
        uint256 destRoundIdAtPeriodEnd,
        uint256 exchangeTimestamp
    );
}


// Inheritance


// Internal references


// https://docs.synthetix.io/contracts/source/contracts/proxy
contract Proxy is Owned {
    Proxyable public target;

    constructor(address _owner) public Owned(_owner) {}

    function setTarget(Proxyable _target) external onlyOwner {
        target = _target;
        emit TargetUpdated(_target);
    }

    function _emit(
        bytes calldata callData,
        uint numTopics,
        bytes32 topic1,
        bytes32 topic2,
        bytes32 topic3,
        bytes32 topic4
    ) external onlyTarget {
        uint size = callData.length;
        bytes memory _callData = callData;

        assembly {
            /* The first 32 bytes of callData contain its length (as specified by the abi).
             * Length is assumed to be a uint256 and therefore maximum of 32 bytes
             * in length. It is also leftpadded to be a multiple of 32 bytes.
             * This means moving call_data across 32 bytes guarantees we correctly access
             * the data itself. */
            switch numTopics
                case 0 {
                    log0(add(_callData, 32), size)
                }
                case 1 {
                    log1(add(_callData, 32), size, topic1)
                }
                case 2 {
                    log2(add(_callData, 32), size, topic1, topic2)
                }
                case 3 {
                    log3(add(_callData, 32), size, topic1, topic2, topic3)
                }
                case 4 {
                    log4(add(_callData, 32), size, topic1, topic2, topic3, topic4)
                }
        }
    }

    // solhint-disable no-complex-fallback
    function() external payable {
        // Mutable call setting Proxyable.messageSender as this is using call not delegatecall
        target.setMessageSender(msg.sender);

        assembly {
            let free_ptr := mload(0x40)
            calldatacopy(free_ptr, 0, calldatasize)

            /* We must explicitly forward ether to the underlying contract as well. */
            let result := call(gas, sload(target_slot), callvalue, free_ptr, calldatasize, 0, 0)
            returndatacopy(free_ptr, 0, returndatasize)

            if iszero(result) {
                revert(free_ptr, returndatasize)
            }
            return(free_ptr, returndatasize)
        }
    }

    modifier onlyTarget {
        require(Proxyable(msg.sender) == target, "Must be proxy target");
        _;
    }

    event TargetUpdated(Proxyable newTarget);
}


// Inheritance


// Internal references


// https://docs.synthetix.io/contracts/source/contracts/proxyable
contract Proxyable is Owned {
    // This contract should be treated like an abstract contract

    /* The proxy this contract exists behind. */
    Proxy public proxy;

    /* The caller of the proxy, passed through to this contract.
     * Note that every function using this member must apply the onlyProxy or
     * optionalProxy modifiers, otherwise their invocations can use stale values. */
    address public messageSender;

    constructor(address payable _proxy) internal {
        // This contract is abstract, and thus cannot be instantiated directly
        require(owner != address(0), "Owner must be set");

        proxy = Proxy(_proxy);
        emit ProxyUpdated(_proxy);
    }

    function setProxy(address payable _proxy) external onlyOwner {
        proxy = Proxy(_proxy);
        emit ProxyUpdated(_proxy);
    }

    function setMessageSender(address sender) external onlyProxy {
        messageSender = sender;
    }

    modifier onlyProxy {
        _onlyProxy();
        _;
    }

    function _onlyProxy() private view {
        require(Proxy(msg.sender) == proxy, "Only the proxy can call");
    }

    modifier optionalProxy {
        _optionalProxy();
        _;
    }

    function _optionalProxy() private {
        if (Proxy(msg.sender) != proxy && messageSender != msg.sender) {
            messageSender = msg.sender;
        }
    }

    modifier optionalProxy_onlyOwner {
        _optionalProxy_onlyOwner();
        _;
    }

    // solhint-disable-next-line func-name-mixedcase
    function _optionalProxy_onlyOwner() private {
        if (Proxy(msg.sender) != proxy && messageSender != msg.sender) {
            messageSender = msg.sender;
        }
        require(messageSender == owner, "Owner only function");
    }

    event ProxyUpdated(address proxyAddress);
}


// Inheritance


// Libraries


// Internal references


// https://docs.synthetix.io/contracts/source/contracts/exchanger
contract Exchanger is Owned, MixinSystemSettings, IExchanger {
    using SafeMath for uint;
    using SafeDecimalMath for uint;

    bytes32 public constant CONTRACT_NAME = "Exchanger";

    bytes32 internal constant sUSD = "sUSD";

    /* ========== ADDRESS RESOLVER CONFIGURATION ========== */

    bytes32 private constant CONTRACT_SYSTEMSTATUS = "SystemStatus";
    bytes32 private constant CONTRACT_EXCHANGESTATE = "ExchangeState";
    bytes32 private constant CONTRACT_EXRATES = "ExchangeRates";
    bytes32 private constant CONTRACT_SYNTHETIX = "Synthetix";
    bytes32 private constant CONTRACT_FEEPOOL = "FeePool";
    bytes32 private constant CONTRACT_TRADING_REWARDS = "TradingRewards";
    bytes32 private constant CONTRACT_DELEGATEAPPROVALS = "DelegateApprovals";
    bytes32 private constant CONTRACT_ISSUER = "Issuer";
    bytes32 private constant CONTRACT_DEBTCACHE = "DebtCache";
    bytes32 private constant CONTRACT_CIRCUIT_BREAKER = "CircuitBreaker";
    bytes32 private constant CONTRACT_DIRECT_INTEGRATION_MANAGER = "DirectIntegrationManager";

    constructor(address _owner, address _resolver) public Owned(_owner) MixinSystemSettings(_resolver) {}

    /* ========== VIEWS ========== */

    function resolverAddressesRequired() public view returns (bytes32[] memory addresses) {
        bytes32[] memory existingAddresses = MixinSystemSettings.resolverAddressesRequired();
        bytes32[] memory newAddresses = new bytes32[](11);
        newAddresses[0] = CONTRACT_SYSTEMSTATUS;
        newAddresses[1] = CONTRACT_EXCHANGESTATE;
        newAddresses[2] = CONTRACT_EXRATES;
        newAddresses[3] = CONTRACT_SYNTHETIX;
        newAddresses[4] = CONTRACT_FEEPOOL;
        newAddresses[5] = CONTRACT_TRADING_REWARDS;
        newAddresses[6] = CONTRACT_DELEGATEAPPROVALS;
        newAddresses[7] = CONTRACT_ISSUER;
        newAddresses[8] = CONTRACT_DEBTCACHE;
        newAddresses[9] = CONTRACT_CIRCUIT_BREAKER;
        newAddresses[10] = CONTRACT_DIRECT_INTEGRATION_MANAGER;
        addresses = combineArrays(existingAddresses, newAddresses);
    }

    function systemStatus() internal view returns (ISystemStatus) {
        return ISystemStatus(requireAndGetAddress(CONTRACT_SYSTEMSTATUS));
    }

    function exchangeState() internal view returns (IExchangeState) {
        return IExchangeState(requireAndGetAddress(CONTRACT_EXCHANGESTATE));
    }

    function exchangeRates() internal view returns (IExchangeRates) {
        return IExchangeRates(requireAndGetAddress(CONTRACT_EXRATES));
    }

    function circuitBreaker() internal view returns (ICircuitBreaker) {
        return ICircuitBreaker(requireAndGetAddress(CONTRACT_CIRCUIT_BREAKER));
    }

    function synthetix() internal view returns (ISynthetix) {
        return ISynthetix(requireAndGetAddress(CONTRACT_SYNTHETIX));
    }

    function feePool() internal view returns (IFeePool) {
        return IFeePool(requireAndGetAddress(CONTRACT_FEEPOOL));
    }

    function tradingRewards() internal view returns (ITradingRewards) {
        return ITradingRewards(requireAndGetAddress(CONTRACT_TRADING_REWARDS));
    }

    function delegateApprovals() internal view returns (IDelegateApprovals) {
        return IDelegateApprovals(requireAndGetAddress(CONTRACT_DELEGATEAPPROVALS));
    }

    function issuer() internal view returns (IIssuer) {
        return IIssuer(requireAndGetAddress(CONTRACT_ISSUER));
    }

    function debtCache() internal view returns (IExchangerInternalDebtCache) {
        return IExchangerInternalDebtCache(requireAndGetAddress(CONTRACT_DEBTCACHE));
    }

    function directIntegrationManager() internal view returns (IDirectIntegrationManager) {
        return IDirectIntegrationManager(requireAndGetAddress(CONTRACT_DIRECT_INTEGRATION_MANAGER));
    }

    function resolvedAddresses() internal view returns (ExchangeSettlementLib.ResolvedAddresses memory) {
        return
            ExchangeSettlementLib.ResolvedAddresses(
                exchangeState(),
                exchangeRates(),
                circuitBreaker(),
                debtCache(),
                issuer(),
                synthetix()
            );
    }

    function waitingPeriodSecs() external view returns (uint) {
        return getWaitingPeriodSecs();
    }

    function tradingRewardsEnabled() external view returns (bool) {
        return getTradingRewardsEnabled();
    }

    function priceDeviationThresholdFactor() external view returns (uint) {
        return getPriceDeviationThresholdFactor();
    }

    function lastExchangeRate(bytes32 currencyKey) external view returns (uint) {
        return circuitBreaker().lastValue(address(exchangeRates().aggregators(currencyKey)));
    }

    function settlementOwing(address account, bytes32 currencyKey)
        public
        view
        returns (
            uint reclaimAmount,
            uint rebateAmount,
            uint numEntries
        )
    {
        (reclaimAmount, rebateAmount, numEntries, ) = ExchangeSettlementLib.settlementOwing(
            resolvedAddresses(),
            account,
            currencyKey,
            getWaitingPeriodSecs()
        );
    }

    function hasWaitingPeriodOrSettlementOwing(address account, bytes32 currencyKey) external view returns (bool) {
        return
            ExchangeSettlementLib.hasWaitingPeriodOrSettlementOwing(
                resolvedAddresses(),
                account,
                currencyKey,
                getWaitingPeriodSecs()
            );
    }

    function maxSecsLeftInWaitingPeriod(address account, bytes32 currencyKey) public view returns (uint) {
        return
            ExchangeSettlementLib._secsLeftInWaitingPeriodForExchange(
                exchangeState().getMaxTimestamp(account, currencyKey),
                getWaitingPeriodSecs()
            );
    }

    /* ========== SETTERS ========== */

    function calculateAmountAfterSettlement(
        address from,
        bytes32 currencyKey,
        uint amount,
        uint refunded
    ) public view returns (uint amountAfterSettlement) {
        amountAfterSettlement = amount;

        // balance of a synth will show an amount after settlement
        uint balanceOfSourceAfterSettlement = IERC20(address(issuer().synths(currencyKey))).balanceOf(from);

        // when there isn't enough supply (either due to reclamation settlement or because the number is too high)
        if (amountAfterSettlement > balanceOfSourceAfterSettlement) {
            // then the amount to exchange is reduced to their remaining supply
            amountAfterSettlement = balanceOfSourceAfterSettlement;
        }

        if (refunded > 0) {
            amountAfterSettlement = amountAfterSettlement.add(refunded);
        }
    }

    function isSynthRateInvalid(bytes32 currencyKey) external view returns (bool) {
        (, bool invalid) = exchangeRates().rateAndInvalid(currencyKey);
        return invalid;
    }

    /* ========== MUTATIVE FUNCTIONS ========== */
    function exchange(
        address exchangeForAddress,
        address from,
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address destinationAddress,
        bool virtualSynth,
        address rewardAddress,
        bytes32 trackingCode
    ) external onlySynthetixorSynth returns (uint amountReceived, IVirtualSynth vSynth) {
        uint fee;
        if (from != exchangeForAddress) {
            require(delegateApprovals().canExchangeFor(exchangeForAddress, from), "Not approved to act on behalf");
        }

        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings =
            _exchangeSettings(from, sourceCurrencyKey);
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings =
            _exchangeSettings(from, destinationCurrencyKey);

        (amountReceived, fee, vSynth) = _exchange(
            exchangeForAddress,
            sourceSettings,
            sourceAmount,
            destinationSettings,
            destinationAddress,
            virtualSynth
        );

        _processTradingRewards(fee, rewardAddress);

        if (trackingCode != bytes32(0)) {
            _emitTrackingEvent(trackingCode, destinationCurrencyKey, amountReceived, fee);
        }
    }

    function exchangeAtomically(
        address,
        bytes32,
        uint,
        bytes32,
        address,
        bytes32,
        uint
    ) external returns (uint) {
        _notImplemented();
    }

    function _emitTrackingEvent(
        bytes32 trackingCode,
        bytes32 toCurrencyKey,
        uint256 toAmount,
        uint256 fee
    ) internal {
        ISynthetixInternal(address(synthetix())).emitExchangeTracking(trackingCode, toCurrencyKey, toAmount, fee);
    }

    function _processTradingRewards(uint fee, address rewardAddress) internal {
        if (fee > 0 && rewardAddress != address(0) && getTradingRewardsEnabled()) {
            tradingRewards().recordExchangeFeeForAccount(fee, rewardAddress);
        }
    }

    function _updateSNXIssuedDebtOnExchange(bytes32[2] memory currencyKeys, uint[2] memory currencyRates) internal {
        bool includesSUSD = currencyKeys[0] == sUSD || currencyKeys[1] == sUSD;
        uint numKeys = includesSUSD ? 2 : 3;

        bytes32[] memory keys = new bytes32[](numKeys);
        keys[0] = currencyKeys[0];
        keys[1] = currencyKeys[1];

        uint[] memory rates = new uint[](numKeys);
        rates[0] = currencyRates[0];
        rates[1] = currencyRates[1];

        if (!includesSUSD) {
            keys[2] = sUSD; // And we'll also update sUSD to account for any fees if it wasn't one of the exchanged currencies
            rates[2] = SafeDecimalMath.unit();
        }

        // Note that exchanges can't invalidate the debt cache, since if a rate is invalid,
        // the exchange will have failed already.
        debtCache().updateCachedSynthDebtsWithRates(keys, rates);
    }

    function _settleAndCalcSourceAmountRemaining(
        uint sourceAmount,
        address from,
        bytes32 sourceCurrencyKey
    ) internal returns (uint sourceAmountAfterSettlement) {
        (, uint refunded, uint numEntriesSettled) =
            ExchangeSettlementLib.internalSettle(
                resolvedAddresses(),
                from,
                sourceCurrencyKey,
                false,
                getWaitingPeriodSecs()
            );

        sourceAmountAfterSettlement = sourceAmount;

        // when settlement was required
        if (numEntriesSettled > 0) {
            // ensure the sourceAmount takes this into account
            sourceAmountAfterSettlement = calculateAmountAfterSettlement(from, sourceCurrencyKey, sourceAmount, refunded);
        }
    }

    function _exchange(
        address from,
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings,
        uint sourceAmount,
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings,
        address destinationAddress,
        bool virtualSynth
    )
        internal
        returns (
            uint amountReceived,
            uint fee,
            IVirtualSynth vSynth
        )
    {
        if (!_ensureCanExchange(sourceSettings.currencyKey, destinationSettings.currencyKey, sourceAmount)) {
            return (0, 0, IVirtualSynth(0));
        }

        // Using struct to resolve stack too deep error
        IExchanger.ExchangeEntry memory entry;
        ExchangeSettlementLib.ResolvedAddresses memory addrs = resolvedAddresses();

        entry.roundIdForSrc = addrs.exchangeRates.getCurrentRoundId(sourceSettings.currencyKey);
        entry.roundIdForDest = addrs.exchangeRates.getCurrentRoundId(destinationSettings.currencyKey);

        entry.sourceAmountAfterSettlement = _settleAndCalcSourceAmountRemaining(
            sourceAmount,
            from,
            sourceSettings.currencyKey
        );

        // If, after settlement the user has no balance left (highly unlikely), then return to prevent
        // emitting events of 0 and don't revert so as to ensure the settlement queue is emptied
        if (entry.sourceAmountAfterSettlement == 0) {
            return (0, 0, IVirtualSynth(0));
        }

        (entry.destinationAmount, entry.sourceRate, entry.destinationRate) = addrs
            .exchangeRates
            .effectiveValueAndRatesAtRound(
            sourceSettings.currencyKey,
            entry.sourceAmountAfterSettlement,
            destinationSettings.currencyKey,
            entry.roundIdForSrc,
            entry.roundIdForDest
        );

        // rates must also be good for the round we are doing
        _ensureCanExchangeAtRound(
            sourceSettings.currencyKey,
            destinationSettings.currencyKey,
            entry.roundIdForSrc,
            entry.roundIdForDest
        );

        bool tooVolatile;
        (entry.exchangeFeeRate, tooVolatile) = _feeRateForExchangeAtRounds(
            sourceSettings,
            destinationSettings,
            entry.roundIdForSrc,
            entry.roundIdForDest
        );

        if (tooVolatile) {
            // do not exchange if rates are too volatile, this to prevent charging
            // dynamic fees that are over the max value
            return (0, 0, IVirtualSynth(0));
        }

        amountReceived = ExchangeSettlementLib._deductFeesFromAmount(entry.destinationAmount, entry.exchangeFeeRate);
        // Note: `fee` is denominated in the destinationCurrencyKey.
        fee = entry.destinationAmount.sub(amountReceived);

        // Note: We don't need to check their balance as the _convert() below will do a safe subtraction which requires
        // the subtraction to not overflow, which would happen if their balance is not sufficient.
        vSynth = _convert(
            sourceSettings.currencyKey,
            from,
            entry.sourceAmountAfterSettlement,
            destinationSettings.currencyKey,
            amountReceived,
            destinationAddress,
            virtualSynth
        );

        // When using a virtual synth, it becomes the destinationAddress for event and settlement tracking
        if (vSynth != IVirtualSynth(0)) {
            destinationAddress = address(vSynth);
        }

        // Remit the fee if required
        if (fee > 0) {
            // Normalize fee to sUSD
            // Note: `fee` is being reused to avoid stack too deep errors.
            fee = addrs.exchangeRates.effectiveValue(destinationSettings.currencyKey, fee, sUSD);

            // Remit the fee in sUSDs
            issuer().synths(sUSD).issue(feePool().FEE_ADDRESS(), fee);

            // Tell the fee pool about this
            feePool().recordFeePaid(fee);
        }

        // Note: As of this point, `fee` is denominated in sUSD.

        // Nothing changes as far as issuance data goes because the total value in the system hasn't changed.
        // But we will update the debt snapshot in case exchange rates have fluctuated since the last exchange
        // in these currencies
        _updateSNXIssuedDebtOnExchange(
            [sourceSettings.currencyKey, destinationSettings.currencyKey],
            [entry.sourceRate, entry.destinationRate]
        );

        // Let the DApps know there was a Synth exchange
        ISynthetixInternal(address(synthetix())).emitSynthExchange(
            from,
            sourceSettings.currencyKey,
            entry.sourceAmountAfterSettlement,
            destinationSettings.currencyKey,
            amountReceived,
            destinationAddress
        );

        // iff the waiting period is gt 0
        if (getWaitingPeriodSecs() > 0) {
            // persist the exchange information for the dest key
            ExchangeSettlementLib.appendExchange(
                addrs,
                destinationAddress,
                sourceSettings.currencyKey,
                entry.sourceAmountAfterSettlement,
                destinationSettings.currencyKey,
                amountReceived,
                entry.exchangeFeeRate
            );
        }
    }

    function _convert(
        bytes32 sourceCurrencyKey,
        address from,
        uint sourceAmountAfterSettlement,
        bytes32 destinationCurrencyKey,
        uint amountReceived,
        address recipient,
        bool virtualSynth
    ) internal returns (IVirtualSynth vSynth) {
        // Burn the source amount
        issuer().synths(sourceCurrencyKey).burn(from, sourceAmountAfterSettlement);

        // Issue their new synths
        ISynth dest = issuer().synths(destinationCurrencyKey);

        if (virtualSynth) {
            Proxyable synth = Proxyable(address(dest));
            vSynth = _createVirtualSynth(IERC20(address(synth.proxy())), recipient, amountReceived, destinationCurrencyKey);
            dest.issue(address(vSynth), amountReceived);
        } else {
            dest.issue(recipient, amountReceived);
        }
    }

    function _createVirtualSynth(
        IERC20,
        address,
        uint,
        bytes32
    ) internal returns (IVirtualSynth) {
        _notImplemented();
    }

    // Note: this function can intentionally be called by anyone on behalf of anyone else (the caller just pays the gas)
    function settle(address from, bytes32 currencyKey)
        external
        returns (
            uint reclaimed,
            uint refunded,
            uint numEntriesSettled
        )
    {
        systemStatus().requireSynthActive(currencyKey);
        return ExchangeSettlementLib.internalSettle(resolvedAddresses(), from, currencyKey, true, getWaitingPeriodSecs());
    }

    /* ========== INTERNAL FUNCTIONS ========== */

    // gets the exchange parameters for a given direct integration (returns default params if no overrides exist)
    function _exchangeSettings(address from, bytes32 currencyKey)
        internal
        view
        returns (IDirectIntegrationManager.ParameterIntegrationSettings memory settings)
    {
        settings = directIntegrationManager().getExchangeParameters(from, currencyKey);
    }

    // runs basic checks and calls `rateWithSafetyChecks` (which can trigger circuit breakers)
    // returns if there are any problems found with the rate of the given currencyKey but not reverted
    function _ensureCanExchange(
        bytes32 sourceCurrencyKey,
        bytes32 destinationCurrencyKey,
        uint sourceAmount
    ) internal returns (bool) {
        require(sourceCurrencyKey != destinationCurrencyKey, "Can't be same synth");
        require(sourceAmount > 0, "Zero amount");

        (, bool srcBroken, bool srcStaleOrInvalid) =
            sourceCurrencyKey != sUSD ? exchangeRates().rateWithSafetyChecks(sourceCurrencyKey) : (0, false, false);
        (, bool dstBroken, bool dstStaleOrInvalid) =
            destinationCurrencyKey != sUSD
                ? exchangeRates().rateWithSafetyChecks(destinationCurrencyKey)
                : (0, false, false);

        require(!srcStaleOrInvalid, "src rate stale or flagged");
        require(!dstStaleOrInvalid, "dest rate stale or flagged");

        return !srcBroken && !dstBroken;
    }

    // runs additional checks to verify a rate is valid at a specific round`
    function _ensureCanExchangeAtRound(
        bytes32 sourceCurrencyKey,
        bytes32 destinationCurrencyKey,
        uint roundIdForSrc,
        uint roundIdForDest
    ) internal view {
        require(sourceCurrencyKey != destinationCurrencyKey, "Can't be same synth");

        bytes32[] memory synthKeys = new bytes32[](2);
        synthKeys[0] = sourceCurrencyKey;
        synthKeys[1] = destinationCurrencyKey;

        uint[] memory roundIds = new uint[](2);
        roundIds[0] = roundIdForSrc;
        roundIds[1] = roundIdForDest;
        require(!exchangeRates().anyRateIsInvalidAtRound(synthKeys, roundIds), "src/dest rate stale or flagged");
    }

    /* ========== Exchange Related Fees ========== */
    /// @notice public function to get the total fee rate for a given exchange
    /// @param sourceCurrencyKey The source currency key
    /// @param destinationCurrencyKey The destination currency key
    /// @return The exchange fee rate, and whether the rates are too volatile
    function feeRateForExchange(bytes32 sourceCurrencyKey, bytes32 destinationCurrencyKey) external view returns (uint) {
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings =
            _exchangeSettings(msg.sender, sourceCurrencyKey);
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings =
            _exchangeSettings(msg.sender, destinationCurrencyKey);

        (uint feeRate, bool tooVolatile) = _feeRateForExchange(sourceSettings, destinationSettings);
        require(!tooVolatile, "too volatile");
        return feeRate;
    }

    /// @notice public function to get the dynamic fee rate for a given exchange
    /// @param sourceCurrencyKey The source currency key
    /// @param destinationCurrencyKey The destination currency key
    /// @return The exchange dynamic fee rate and if rates are too volatile
    function dynamicFeeRateForExchange(bytes32 sourceCurrencyKey, bytes32 destinationCurrencyKey)
        external
        view
        returns (uint feeRate, bool tooVolatile)
    {
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings =
            _exchangeSettings(msg.sender, sourceCurrencyKey);
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings =
            _exchangeSettings(msg.sender, destinationCurrencyKey);

        return _dynamicFeeRateForExchange(sourceSettings, destinationSettings);
    }

    /// @notice Calculate the exchange fee for a given source and destination currency key
    /// @param sourceSettings The source currency key
    /// @param destinationSettings The destination currency key
    /// @return The exchange fee rate
    /// @return The exchange dynamic fee rate and if rates are too volatile
    function _feeRateForExchange(
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings,
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings
    ) internal view returns (uint feeRate, bool tooVolatile) {
        // Get the exchange fee rate as per the source currencyKey and destination currencyKey
        uint baseRate = sourceSettings.exchangeFeeRate.add(destinationSettings.exchangeFeeRate);
        uint dynamicFee;
        (dynamicFee, tooVolatile) = _dynamicFeeRateForExchange(sourceSettings, destinationSettings);
        return (baseRate.add(dynamicFee), tooVolatile);
    }

    /// @notice Calculate the exchange fee for a given source and destination currency key
    /// @param sourceSettings The source currency key
    /// @param destinationSettings The destination currency key
    /// @param roundIdForSrc The round id of the source currency.
    /// @param roundIdForDest The round id of the target currency.
    /// @return The exchange fee rate
    /// @return The exchange dynamic fee rate
    function _feeRateForExchangeAtRounds(
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings,
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings,
        uint roundIdForSrc,
        uint roundIdForDest
    ) internal view returns (uint feeRate, bool tooVolatile) {
        // Get the exchange fee rate as per the source currencyKey and destination currencyKey
        uint baseRate = sourceSettings.exchangeFeeRate.add(destinationSettings.exchangeFeeRate);
        uint dynamicFee;
        (dynamicFee, tooVolatile) = _dynamicFeeRateForExchangeAtRounds(
            sourceSettings,
            destinationSettings,
            roundIdForSrc,
            roundIdForDest
        );
        return (baseRate.add(dynamicFee), tooVolatile);
    }

    function _dynamicFeeRateForExchange(
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings,
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings
    ) internal view returns (uint dynamicFee, bool tooVolatile) {
        (uint dynamicFeeDst, bool dstVolatile) = _dynamicFeeRateForCurrency(destinationSettings);
        (uint dynamicFeeSrc, bool srcVolatile) = _dynamicFeeRateForCurrency(sourceSettings);
        dynamicFee = dynamicFeeDst.add(dynamicFeeSrc);
        // cap to maxFee
        bool overMax = dynamicFee > sourceSettings.exchangeMaxDynamicFee;
        dynamicFee = overMax ? sourceSettings.exchangeMaxDynamicFee : dynamicFee;
        return (dynamicFee, overMax || dstVolatile || srcVolatile);
    }

    function _dynamicFeeRateForExchangeAtRounds(
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings,
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings,
        uint roundIdForSrc,
        uint roundIdForDest
    ) internal view returns (uint dynamicFee, bool tooVolatile) {
        (uint dynamicFeeDst, bool dstVolatile) = _dynamicFeeRateForCurrencyRound(destinationSettings, roundIdForDest);
        (uint dynamicFeeSrc, bool srcVolatile) = _dynamicFeeRateForCurrencyRound(sourceSettings, roundIdForSrc);
        dynamicFee = dynamicFeeDst.add(dynamicFeeSrc);
        // cap to maxFee
        bool overMax = dynamicFee > sourceSettings.exchangeMaxDynamicFee;
        dynamicFee = overMax ? sourceSettings.exchangeMaxDynamicFee : dynamicFee;
        return (dynamicFee, overMax || dstVolatile || srcVolatile);
    }

    /// @notice Get dynamic dynamicFee for a given currency key (SIP-184)
    /// @param settings The given currency key
    /// @return The dynamic fee and if it exceeds max dynamic fee set in config
    function _dynamicFeeRateForCurrency(IDirectIntegrationManager.ParameterIntegrationSettings memory settings)
        internal
        view
        returns (uint dynamicFee, bool tooVolatile)
    {
        // no dynamic dynamicFee for sUSD or too few rounds
        if (settings.currencyKey == sUSD || settings.exchangeDynamicFeeRounds <= 1) {
            return (0, false);
        }
        uint roundId = exchangeRates().getCurrentRoundId(settings.currencyKey);
        return _dynamicFeeRateForCurrencyRound(settings, roundId);
    }

    /// @notice Get dynamicFee for a given currency key (SIP-184)
    /// @param settings The given currency key
    /// @param roundId The round id
    /// @return The dynamic fee and if it exceeds max dynamic fee set in config
    function _dynamicFeeRateForCurrencyRound(
        IDirectIntegrationManager.ParameterIntegrationSettings memory settings,
        uint roundId
    ) internal view returns (uint dynamicFee, bool tooVolatile) {
        // no dynamic dynamicFee for sUSD or too few rounds
        if (settings.currencyKey == sUSD || settings.exchangeDynamicFeeRounds <= 1) {
            return (0, false);
        }
        uint[] memory prices;
        (prices, ) = exchangeRates().ratesAndUpdatedTimeForCurrencyLastNRounds(
            settings.currencyKey,
            settings.exchangeDynamicFeeRounds,
            roundId
        );
        dynamicFee = _dynamicFeeCalculation(
            prices,
            settings.exchangeDynamicFeeThreshold,
            settings.exchangeDynamicFeeWeightDecay
        );
        // cap to maxFee
        bool overMax = dynamicFee > settings.exchangeMaxDynamicFee;
        dynamicFee = overMax ? settings.exchangeMaxDynamicFee : dynamicFee;
        return (dynamicFee, overMax);
    }

    /// @notice Calculate dynamic fee according to SIP-184
    /// @param prices A list of prices from the current round to the previous rounds
    /// @param threshold A threshold to clip the price deviation ratop
    /// @param weightDecay A weight decay constant
    /// @return uint dynamic fee rate as decimal
    function _dynamicFeeCalculation(
        uint[] memory prices,
        uint threshold,
        uint weightDecay
    ) internal pure returns (uint) {
        // don't underflow
        if (prices.length == 0) {
            return 0;
        }

        uint dynamicFee = 0; // start with 0
        // go backwards in price array
        for (uint i = prices.length - 1; i > 0; i--) {
            // apply decay from previous round (will be 0 for first round)
            dynamicFee = dynamicFee.multiplyDecimal(weightDecay);
            // calculate price deviation
            uint deviation = _thresholdedAbsDeviationRatio(prices[i - 1], prices[i], threshold);
            // add to total fee
            dynamicFee = dynamicFee.add(deviation);
        }
        return dynamicFee;
    }

    /// absolute price deviation ratio used by dynamic fee calculation
    /// deviationRatio = (abs(current - previous) / previous) - threshold
    /// if negative, zero is returned
    function _thresholdedAbsDeviationRatio(
        uint price,
        uint previousPrice,
        uint threshold
    ) internal pure returns (uint) {
        if (previousPrice == 0) {
            return 0; // don't divide by zero
        }
        // abs difference between prices
        uint absDelta = price > previousPrice ? price - previousPrice : previousPrice - price;
        // relative to previous price
        uint deviationRatio = absDelta.divideDecimal(previousPrice);
        // only the positive difference from threshold
        return deviationRatio > threshold ? deviationRatio - threshold : 0;
    }

    function getAmountsForExchange(
        uint sourceAmount,
        bytes32 sourceCurrencyKey,
        bytes32 destinationCurrencyKey
    )
        external
        view
        returns (
            uint amountReceived,
            uint fee,
            uint exchangeFeeRate
        )
    {
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings =
            _exchangeSettings(msg.sender, sourceCurrencyKey);
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings =
            _exchangeSettings(msg.sender, destinationCurrencyKey);

        require(sourceCurrencyKey == sUSD || !exchangeRates().rateIsInvalid(sourceCurrencyKey), "src synth rate invalid");

        require(
            destinationCurrencyKey == sUSD || !exchangeRates().rateIsInvalid(destinationCurrencyKey),
            "dest synth rate invalid"
        );

        // The checks are added for consistency with the checks performed in _exchange()
        // The reverts (instead of no-op returns) are used order to prevent incorrect usage in calling contracts
        // (The no-op in _exchange() is in order to trigger system suspension if needed)

        // check synths active
        systemStatus().requireSynthActive(sourceCurrencyKey);
        systemStatus().requireSynthActive(destinationCurrencyKey);

        bool tooVolatile;
        (exchangeFeeRate, tooVolatile) = _feeRateForExchange(sourceSettings, destinationSettings);

        // check rates volatility result
        require(!tooVolatile, "exchange rates too volatile");

        (uint destinationAmount, , ) =
            exchangeRates().effectiveValueAndRates(sourceCurrencyKey, sourceAmount, destinationCurrencyKey);

        amountReceived = ExchangeSettlementLib._deductFeesFromAmount(destinationAmount, exchangeFeeRate);
        fee = destinationAmount.sub(amountReceived);
    }

    function _notImplemented() internal pure {
        revert("Cannot be run on this layer");
    }

    // ========== MODIFIERS ==========

    modifier onlySynthetixorSynth() {
        ISynthetix _synthetix = synthetix();
        require(
            msg.sender == address(_synthetix) || _synthetix.synthsByAddress(msg.sender) != bytes32(0),
            "Exchanger: Only synthetix or a synth contract can perform this action"
        );
        _;
    }

    // ========== EVENTS ==========
    // note bot hof these events are actually emitted from `ExchangeSettlementLib`
    // but they are defined here for interface reasons
    event ExchangeEntryAppended(
        address indexed account,
        bytes32 src,
        uint256 amount,
        bytes32 dest,
        uint256 amountReceived,
        uint256 exchangeFeeRate,
        uint256 roundIdForSrc,
        uint256 roundIdForDest
    );

    event ExchangeEntrySettled(
        address indexed from,
        bytes32 src,
        uint256 amount,
        bytes32 dest,
        uint256 reclaim,
        uint256 rebate,
        uint256 srcRoundIdAtPeriodEnd,
        uint256 destRoundIdAtPeriodEnd,
        uint256 exchangeTimestamp
    );
}


// https://docs.synthetix.io/contracts/source/contracts/minimalproxyfactory
contract MinimalProxyFactory {
    function _cloneAsMinimalProxy(address _base, string memory _revertMsg) internal returns (address clone) {
        bytes memory createData = _generateMinimalProxyCreateData(_base);

        assembly {
            clone := create(
                0, // no value
                add(createData, 0x20), // data
                55 // data is always 55 bytes (10 constructor + 45 code)
            )
        }

        // If CREATE fails for some reason, address(0) is returned
        require(clone != address(0), _revertMsg);
    }

    function _generateMinimalProxyCreateData(address _base) internal pure returns (bytes memory) {
        return
            abi.encodePacked(
                //---- constructor -----
                bytes10(0x3d602d80600a3d3981f3),
                //---- proxy code -----
                bytes10(0x363d3d373d3d3d363d73),
                _base,
                bytes15(0x5af43d82803e903d91602b57fd5bf3)
            );
    }
}


// Inheritance


// Internal references


interface IVirtualSynthInternal {
    function initialize(
        IERC20 _synth,
        IAddressResolver _resolver,
        address _recipient,
        uint _amount,
        bytes32 _currencyKey
    ) external;
}

// https://docs.synthetix.io/contracts/source/contracts/exchangerwithfeereclamationalternatives
contract ExchangerWithFeeRecAlternatives is MinimalProxyFactory, Exchanger {
    bytes32 public constant CONTRACT_NAME = "ExchangerWithFeeRecAlternatives";

    using SafeMath for uint;

    struct ExchangeVolumeAtPeriod {
        uint64 time;
        uint192 volume;
    }

    ExchangeVolumeAtPeriod public lastAtomicVolume;

    constructor(address _owner, address _resolver) public MinimalProxyFactory() Exchanger(_owner, _resolver) {}

    /* ========== ADDRESS RESOLVER CONFIGURATION ========== */

    bytes32 private constant CONTRACT_VIRTUALSYNTH_MASTERCOPY = "VirtualSynthMastercopy";

    function resolverAddressesRequired() public view returns (bytes32[] memory addresses) {
        bytes32[] memory existingAddresses = Exchanger.resolverAddressesRequired();
        bytes32[] memory newAddresses = new bytes32[](1);
        newAddresses[0] = CONTRACT_VIRTUALSYNTH_MASTERCOPY;
        addresses = combineArrays(existingAddresses, newAddresses);
    }

    /* ========== VIEWS ========== */

    function atomicMaxVolumePerBlock() external view returns (uint) {
        return getAtomicMaxVolumePerBlock();
    }

    function feeRateForAtomicExchange(bytes32 sourceCurrencyKey, bytes32 destinationCurrencyKey)
        external
        view
        returns (uint exchangeFeeRate)
    {
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings =
            _exchangeSettings(msg.sender, sourceCurrencyKey);
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings =
            _exchangeSettings(msg.sender, destinationCurrencyKey);
        exchangeFeeRate = _feeRateForAtomicExchange(sourceSettings, destinationSettings);
    }

    function getAmountsForAtomicExchange(
        uint sourceAmount,
        bytes32 sourceCurrencyKey,
        bytes32 destinationCurrencyKey
    )
        external
        view
        returns (
            uint amountReceived,
            uint fee,
            uint exchangeFeeRate
        )
    {
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings =
            _exchangeSettings(msg.sender, sourceCurrencyKey);
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings =
            _exchangeSettings(msg.sender, destinationCurrencyKey);
        IDirectIntegrationManager.ParameterIntegrationSettings memory usdSettings = _exchangeSettings(msg.sender, sUSD);

        (amountReceived, fee, exchangeFeeRate, , , ) = _getAmountsForAtomicExchangeMinusFees(
            sourceAmount,
            sourceSettings,
            destinationSettings,
            usdSettings
        );
    }

    /* ========== MUTATIVE FUNCTIONS ========== */

    function exchangeAtomically(
        address from,
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address destinationAddress,
        bytes32 trackingCode,
        uint minAmount
    ) external onlySynthetixorSynth returns (uint amountReceived) {
        uint fee;
        (amountReceived, fee) = _exchangeAtomically(
            from,
            sourceCurrencyKey,
            sourceAmount,
            destinationCurrencyKey,
            destinationAddress
        );

        require(amountReceived >= minAmount, "The amount received is below the minimum amount specified.");

        _processTradingRewards(fee, destinationAddress);

        if (trackingCode != bytes32(0)) {
            _emitTrackingEvent(trackingCode, destinationCurrencyKey, amountReceived, fee);
        }
    }

    /* ========== INTERNAL FUNCTIONS ========== */

    function _virtualSynthMastercopy() internal view returns (address) {
        return requireAndGetAddress(CONTRACT_VIRTUALSYNTH_MASTERCOPY);
    }

    function _createVirtualSynth(
        IERC20 synth,
        address recipient,
        uint amount,
        bytes32 currencyKey
    ) internal returns (IVirtualSynth) {
        // prevent inverse synths from being allowed due to purgeability
        require(currencyKey[0] != 0x69, "Cannot virtualize this synth");

        IVirtualSynthInternal vSynth =
            IVirtualSynthInternal(_cloneAsMinimalProxy(_virtualSynthMastercopy(), "Could not create new vSynth"));
        vSynth.initialize(synth, resolver, recipient, amount, currencyKey);
        emit VirtualSynthCreated(address(synth), recipient, address(vSynth), currencyKey, amount);

        return IVirtualSynth(address(vSynth));
    }

    function _exchangeAtomically(
        address from,
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address destinationAddress
    ) internal returns (uint amountReceived, uint fee) {
        uint sourceAmountAfterSettlement;
        uint exchangeFeeRate;
        uint systemSourceRate;
        uint systemDestinationRate;

        {
            IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings =
                _exchangeSettings(from, sourceCurrencyKey);
            IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings =
                _exchangeSettings(from, destinationCurrencyKey);

            if (!_ensureCanExchange(sourceCurrencyKey, destinationCurrencyKey, sourceAmount)) {
                return (0, 0);
            }
            require(!exchangeRates().synthTooVolatileForAtomicExchange(sourceSettings), "Src synth too volatile");
            require(!exchangeRates().synthTooVolatileForAtomicExchange(destinationSettings), "Dest synth too volatile");

            sourceAmountAfterSettlement = _settleAndCalcSourceAmountRemaining(sourceAmount, from, sourceCurrencyKey);

            // If, after settlement the user has no balance left (highly unlikely), then return to prevent
            // emitting events of 0 and don't revert so as to ensure the settlement queue is emptied
            if (sourceAmountAfterSettlement == 0) {
                return (0, 0);
            }

            // sometimes we need parameters for USD and USD has parameters which could be overridden
            IDirectIntegrationManager.ParameterIntegrationSettings memory usdSettings = _exchangeSettings(from, sUSD);

            uint systemConvertedAmount;

            // Note: also ensures the given synths are allowed to be atomically exchanged
            (
                amountReceived, // output amount with fee taken out (denominated in dest currency)
                fee, // fee amount (denominated in dest currency)
                exchangeFeeRate, // applied fee rate
                systemConvertedAmount, // current system value without fees (denominated in dest currency)
                systemSourceRate, // current system rate for src currency
                systemDestinationRate // current system rate for dest currency
            ) = _getAmountsForAtomicExchangeMinusFees(
                sourceAmountAfterSettlement,
                sourceSettings,
                destinationSettings,
                usdSettings
            );

            // Sanity check atomic output's value against current system value (checking atomic rates)
            require(
                !circuitBreaker().isDeviationAboveThreshold(systemConvertedAmount, amountReceived.add(fee)),
                "Atomic rate deviates too much"
            );

            // Determine sUSD value of exchange
            uint sourceSusdValue;
            if (sourceCurrencyKey == sUSD) {
                // Use after-settled amount as this is amount converted (not sourceAmount)
                sourceSusdValue = sourceAmountAfterSettlement;
            } else if (destinationCurrencyKey == sUSD) {
                // In this case the systemConvertedAmount would be the fee-free sUSD value of the source synth
                sourceSusdValue = systemConvertedAmount;
            } else {
                // Otherwise, convert source to sUSD value
                (uint amountReceivedInUSD, uint sUsdFee, , , , ) =
                    _getAmountsForAtomicExchangeMinusFees(
                        sourceAmountAfterSettlement,
                        sourceSettings,
                        usdSettings,
                        usdSettings
                    );
                sourceSusdValue = amountReceivedInUSD.add(sUsdFee);
            }

            // Check and update atomic volume limit
            _checkAndUpdateAtomicVolume(sourceSettings, sourceSusdValue);
        }

        // Note: We don't need to check their balance as the _convert() below will do a safe subtraction which requires
        // the subtraction to not overflow, which would happen if their balance is not sufficient.

        _convert(
            sourceCurrencyKey,
            from,
            sourceAmountAfterSettlement,
            destinationCurrencyKey,
            amountReceived,
            destinationAddress,
            false // no vsynths
        );

        // Remit the fee if required
        if (fee > 0) {
            // Normalize fee to sUSD
            // Note: `fee` is being reused to avoid stack too deep errors.
            fee = exchangeRates().effectiveValue(destinationCurrencyKey, fee, sUSD);

            // Remit the fee in sUSDs
            issuer().synths(sUSD).issue(feePool().FEE_ADDRESS(), fee);

            // Tell the fee pool about this
            feePool().recordFeePaid(fee);
        }

        // Note: As of this point, `fee` is denominated in sUSD.

        // Note: this update of the debt snapshot will not be accurate because the atomic exchange
        // was executed with a different rate than the system rate. To be perfect, issuance data,
        // priced in system rates, should have been adjusted on the src and dest synth.
        // The debt pool is expected to be deprecated soon, and so we don't bother with being
        // perfect here. For now, an inaccuracy will slowly accrue over time with increasing atomic
        // exchange volume.
        _updateSNXIssuedDebtOnExchange(
            [sourceCurrencyKey, destinationCurrencyKey],
            [systemSourceRate, systemDestinationRate]
        );

        // Let the DApps know there was a Synth exchange
        ISynthetixInternal(address(synthetix())).emitSynthExchange(
            from,
            sourceCurrencyKey,
            sourceAmountAfterSettlement,
            destinationCurrencyKey,
            amountReceived,
            destinationAddress
        );

        // Emit separate event to track atomic exchanges
        ISynthetixInternal(address(synthetix())).emitAtomicSynthExchange(
            from,
            sourceCurrencyKey,
            sourceAmountAfterSettlement,
            destinationCurrencyKey,
            amountReceived,
            destinationAddress
        );

        // No need to persist any exchange information, as no settlement is required for atomic exchanges
    }

    function _checkAndUpdateAtomicVolume(
        IDirectIntegrationManager.ParameterIntegrationSettings memory settings,
        uint sourceSusdValue
    ) internal {
        uint currentVolume =
            uint(lastAtomicVolume.time) == block.timestamp
                ? uint(lastAtomicVolume.volume).add(sourceSusdValue)
                : sourceSusdValue;
        require(currentVolume <= settings.atomicMaxVolumePerBlock, "Surpassed volume limit");
        lastAtomicVolume.time = uint64(block.timestamp);
        lastAtomicVolume.volume = uint192(currentVolume); // Protected by volume limit check above
    }

    function _feeRateForAtomicExchange(
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings,
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings
    ) internal view returns (uint) {
        // Get the exchange fee rate as per source and destination currencyKey
        uint baseRate = sourceSettings.atomicExchangeFeeRate.add(destinationSettings.atomicExchangeFeeRate);
        if (baseRate == 0) {
            // If no atomic rate was set, fallback to the regular exchange rate
            baseRate = sourceSettings.exchangeFeeRate.add(destinationSettings.exchangeFeeRate);
        }

        return baseRate;
    }

    function _getAmountsForAtomicExchangeMinusFees(
        uint sourceAmount,
        IDirectIntegrationManager.ParameterIntegrationSettings memory sourceSettings,
        IDirectIntegrationManager.ParameterIntegrationSettings memory destinationSettings,
        IDirectIntegrationManager.ParameterIntegrationSettings memory usdSettings
    )
        internal
        view
        returns (
            uint amountReceived,
            uint fee,
            uint exchangeFeeRate,
            uint systemConvertedAmount,
            uint systemSourceRate,
            uint systemDestinationRate
        )
    {
        uint destinationAmount;
        (destinationAmount, systemConvertedAmount, systemSourceRate, systemDestinationRate) = exchangeRates()
            .effectiveAtomicValueAndRates(sourceSettings, sourceAmount, destinationSettings, usdSettings);

        exchangeFeeRate = _feeRateForAtomicExchange(sourceSettings, destinationSettings);
        amountReceived = ExchangeSettlementLib._deductFeesFromAmount(destinationAmount, exchangeFeeRate);
        fee = destinationAmount.sub(amountReceived);
    }

    event VirtualSynthCreated(
        address indexed synth,
        address indexed recipient,
        address vSynth,
        bytes32 currencyKey,
        uint amount
    );
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_resolver","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes32","name":"name","type":"bytes32"},{"indexed":false,"internalType":"address","name":"destination","type":"address"}],"name":"CacheUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"bytes32","name":"src","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"dest","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"amountReceived","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"exchangeFeeRate","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"roundIdForSrc","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"roundIdForDest","type":"uint256"}],"name":"ExchangeEntryAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"bytes32","name":"src","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"dest","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"reclaim","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"rebate","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"srcRoundIdAtPeriodEnd","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"destRoundIdAtPeriodEnd","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"exchangeTimestamp","type":"uint256"}],"name":"ExchangeEntrySettled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerNominated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"synth","type":"address"},{"indexed":true,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"vSynth","type":"address"},{"indexed":false,"internalType":"bytes32","name":"currencyKey","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"VirtualSynthCreated","type":"event"},{"constant":true,"inputs":[],"name":"CONTRACT_NAME","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"acceptOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"atomicMaxVolumePerBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"bytes32","name":"currencyKey","type":"bytes32"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"refunded","type":"uint256"}],"name":"calculateAmountAfterSettlement","outputs":[{"internalType":"uint256","name":"amountAfterSettlement","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"bytes32","name":"sourceCurrencyKey","type":"bytes32"},{"internalType":"bytes32","name":"destinationCurrencyKey","type":"bytes32"}],"name":"dynamicFeeRateForExchange","outputs":[{"internalType":"uint256","name":"feeRate","type":"uint256"},{"internalType":"bool","name":"tooVolatile","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"exchangeForAddress","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"bytes32","name":"sourceCurrencyKey","type":"bytes32"},{"internalType":"uint256","name":"sourceAmount","type":"uint256"},{"internalType":"bytes32","name":"destinationCurrencyKey","type":"bytes32"},{"internalType":"address","name":"destinationAddress","type":"address"},{"internalType":"bool","name":"virtualSynth","type":"bool"},{"internalType":"address","name":"rewardAddress","type":"address"},{"internalType":"bytes32","name":"trackingCode","type":"bytes32"}],"name":"exchange","outputs":[{"internalType":"uint256","name":"amountReceived","type":"uint256"},{"internalType":"contract IVirtualSynth","name":"vSynth","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"bytes32","name":"sourceCurrencyKey","type":"bytes32"},{"internalType":"uint256","name":"sourceAmount","type":"uint256"},{"internalType":"bytes32","name":"destinationCurrencyKey","type":"bytes32"},{"internalType":"address","name":"destinationAddress","type":"address"},{"internalType":"bytes32","name":"trackingCode","type":"bytes32"},{"internalType":"uint256","name":"minAmount","type":"uint256"}],"name":"exchangeAtomically","outputs":[{"internalType":"uint256","name":"amountReceived","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"bytes32","name":"sourceCurrencyKey","type":"bytes32"},{"internalType":"bytes32","name":"destinationCurrencyKey","type":"bytes32"}],"name":"feeRateForAtomicExchange","outputs":[{"internalType":"uint256","name":"exchangeFeeRate","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"bytes32","name":"sourceCurrencyKey","type":"bytes32"},{"internalType":"bytes32","name":"destinationCurrencyKey","type":"bytes32"}],"name":"feeRateForExchange","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"sourceAmount","type":"uint256"},{"internalType":"bytes32","name":"sourceCurrencyKey","type":"bytes32"},{"internalType":"bytes32","name":"destinationCurrencyKey","type":"bytes32"}],"name":"getAmountsForAtomicExchange","outputs":[{"internalType":"uint256","name":"amountReceived","type":"uint256"},{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"exchangeFeeRate","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"sourceAmount","type":"uint256"},{"internalType":"bytes32","name":"sourceCurrencyKey","type":"bytes32"},{"internalType":"bytes32","name":"destinationCurrencyKey","type":"bytes32"}],"name":"getAmountsForExchange","outputs":[{"internalType":"uint256","name":"amountReceived","type":"uint256"},{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"exchangeFeeRate","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"currencyKey","type":"bytes32"}],"name":"hasWaitingPeriodOrSettlementOwing","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isResolverCached","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"bytes32","name":"currencyKey","type":"bytes32"}],"name":"isSynthRateInvalid","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lastAtomicVolume","outputs":[{"internalType":"uint64","name":"time","type":"uint64"},{"internalType":"uint192","name":"volume","type":"uint192"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"bytes32","name":"currencyKey","type":"bytes32"}],"name":"lastExchangeRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"currencyKey","type":"bytes32"}],"name":"maxSecsLeftInWaitingPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"nominateNewOwner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"nominatedOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"priceDeviationThresholdFactor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"rebuildCache","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"resolver","outputs":[{"internalType":"contract AddressResolver","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"resolverAddressesRequired","outputs":[{"internalType":"bytes32[]","name":"addresses","type":"bytes32[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"bytes32","name":"currencyKey","type":"bytes32"}],"name":"settle","outputs":[{"internalType":"uint256","name":"reclaimed","type":"uint256"},{"internalType":"uint256","name":"refunded","type":"uint256"},{"internalType":"uint256","name":"numEntriesSettled","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"currencyKey","type":"bytes32"}],"name":"settlementOwing","outputs":[{"internalType":"uint256","name":"reclaimAmount","type":"uint256"},{"internalType":"uint256","name":"rebateAmount","type":"uint256"},{"internalType":"uint256","name":"numEntries","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"tradingRewardsEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"waitingPeriodSecs","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}]

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

Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000048914229dedd5a9922f44441ffccfc2cb7856ee9000000000000000000000000b61a6af69e992e1bed69b0ae0cba5143ca25d4d1

-----Decoded View---------------
Arg [0] : _owner (address): 0x48914229deDd5A9922f44441ffCCfC2Cb7856Ee9
Arg [1] : _resolver (address): 0xb61a6aF69e992e1bed69b0aE0CBa5143CA25D4D1

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000048914229dedd5a9922f44441ffccfc2cb7856ee9
Arg [1] : 000000000000000000000000b61a6af69e992e1bed69b0ae0cba5143ca25d4d1


Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
[ Download: CSV Export  ]

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.