Contract

0x3f60FFAef1eBd84E3C2d0C9C0E12388365D5dF12

Source Code

Overview

ETH Balance

0 ETH

More Info

ContractCreator

0x48914229...Cb7856Ee9 at txn 0x4dc5433e5c79281d78438e3d605c85627a5d45513a59f79f0cfbfd99d1fddf0a

Multichain Info

	Transaction Hash	Method	Block		From		To
There are no matching entries Please try again later

Advanced mode:

Parent Transaction Hash	Block		From		To

View All Internal Transactions

This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.

Contract Source Code Verified (Exact Match)

Contract Name:

ExchangeSettlementLib

Compiler Version

v0.5.16+commit.9c3226ce

Optimization Enabled:

Yes with 200 runs

Other Settings:

default evmVersion

Contract Source Code (Solidity)

IDE

/**
 *Submitted for verification at sepolia-optimism.etherscan.io on 2023-12-11
*/

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

* Synthetix: ExchangeSettlementLib.sol
*
* Latest source (may be newer): https://github.com/Synthetixio/synthetix/blob/master/contracts/ExchangeSettlementLib.sol
* Docs: https://docs.synthetix.io/contracts/ExchangeSettlementLib
*
* Contract Dependencies: (none)
* Libraries: 
*	- ExchangeSettlementLib
*	- SafeDecimalMath
*	- SafeMath
*
* MIT License
* ===========
*
* Copyright (c) 2023 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 >=0.4.24;

// 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;
}


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/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/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;
}


// 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;
}


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 revokeAllEscrow(address account) external;

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


/**
 * @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));
    }
}


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
    );
}

Contract ABI

[{"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"},{"constant":true,"inputs":[{"components":[{"internalType":"contract IExchangeState","name":"exchangeState","type":"IExchangeState"},{"internalType":"contract IExchangeRates","name":"exchangeRates","type":"IExchangeRates"},{"internalType":"contract ICircuitBreaker","name":"circuitBreaker","type":"ICircuitBreaker"},{"internalType":"contract IExchangerInternalDebtCache","name":"debtCache","type":"IExchangerInternalDebtCache"},{"internalType":"contract IIssuer","name":"issuer","type":"IIssuer"},{"internalType":"contract ISynthetix","name":"synthetix","type":"ISynthetix"}],"internalType":"struct ExchangeSettlementLib.ResolvedAddresses","name":"resolvedAddresses","type":"tuple"},{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"currencyKey","type":"bytes32"},{"internalType":"uint256","name":"waitingPeriod","type":"uint256"}],"name":"hasWaitingPeriodOrSettlementOwing","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"contract IExchangeState","name":"exchangeState","type":"IExchangeState"},{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"currencyKey","type":"bytes32"},{"internalType":"uint256","name":"waitingPeriod","type":"uint256"}],"name":"maxSecsLeftInWaitingPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"components":[{"internalType":"contract IExchangeState","name":"exchangeState","type":"IExchangeState"},{"internalType":"contract IExchangeRates","name":"exchangeRates","type":"IExchangeRates"},{"internalType":"contract ICircuitBreaker","name":"circuitBreaker","type":"ICircuitBreaker"},{"internalType":"contract IExchangerInternalDebtCache","name":"debtCache","type":"IExchangerInternalDebtCache"},{"internalType":"contract IIssuer","name":"issuer","type":"IIssuer"},{"internalType":"contract ISynthetix","name":"synthetix","type":"ISynthetix"}],"internalType":"struct ExchangeSettlementLib.ResolvedAddresses","name":"resolvedAddresses","type":"tuple"},{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"currencyKey","type":"bytes32"},{"internalType":"uint256","name":"waitingPeriod","type":"uint256"}],"name":"settlementOwing","outputs":[{"internalType":"uint256","name":"reclaimAmount","type":"uint256"},{"internalType":"uint256","name":"rebateAmount","type":"uint256"},{"internalType":"uint256","name":"numEntries","type":"uint256"},{"components":[{"internalType":"bytes32","name":"src","type":"bytes32"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes32","name":"dest","type":"bytes32"},{"internalType":"uint256","name":"reclaim","type":"uint256"},{"internalType":"uint256","name":"rebate","type":"uint256"},{"internalType":"uint256","name":"srcRoundIdAtPeriodEnd","type":"uint256"},{"internalType":"uint256","name":"destRoundIdAtPeriodEnd","type":"uint256"},{"internalType":"uint256","name":"timestamp","type":"uint256"}],"internalType":"struct IExchanger.ExchangeEntrySettlement[]","name":"","type":"tuple[]"}],"payable":false,"stateMutability":"view","type":"function"}]

Contract Creation Code

Decompile Bytecode Switch to Opcodes View

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

Deployed Bytecode

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

Library Used

SafeDecimalMath : 0x2ad7ccaac0eeb396c3a5fc2b73a885435688c0d5
SystemSettingsLib : 0x343b5efcbf331957d3f4236eb16c338d7256f62d
SignedSafeDecimalMath : 0xc7dcc0929881530d3386de51d9ffdd35b8009c6e
ExchangeSettlementLib : 0x3f60ffaef1ebd84e3c2d0c9c0e12388365d5df12

Block		Transaction	Difficulty	Gas Used	Reward

View All Blocks Produced

Block		Uncle Number	Difficulty	Gas Used	Reward

View All Uncles

Validator Index	Block		Amount

View All Withdrawals

Transaction Hash	Block		Value	Eth2 PubKey	Valid

View All Deposits

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.