TwoKeyExchangeRateContract

contract TwoKeyExchangeRateContract

is Upgradeable, ITwoKeySingletonUtils

Source: contracts/2key/singleton-contracts/TwoKeyExchangeRateContract.sol
Author: Nikola Madjarevic

Index

Reference

Functions

  • exchangeCurrencies

    function exchangeCurrencies(string base_target, uint base_amount) public view returns (uint)

    Helper calculation function.

    Parameters:
    base_target - string
    base_amount - uint
    Returns:
    uint

  • getBaseToTargetRate

    function getBaseToTargetRate(string base_target) public view returns (uint)

    Function getter for base to target rate.

    Parameters:
    base_target - is the name of the currency
    Returns:
    uint

  • setFiatCurrencyDetails

    function setFiatCurrencyDetails(bytes32 _currency, uint _baseToTargetRate) public

    Only twoKeyMaintainer address will be eligible to update it, Backend calls to update rates.

    Modifiers:
    onlyMaintainer
    Parameters:
    _currency - is the bytes32 (hex) representation of currency shortcut string
    _baseToTargetRate - is the rate between base and target currency

  • setInitialParams

    function setInitialParams(address _twoKeySingletonesRegistry, address _proxyStorage) external

    Function which will be called immediately after contract deployment.

    Parameters:
    _twoKeySingletonesRegistry - is the address of TWO_KEY_SINGLETON_REGISTRY contract
    _proxyStorage - is the address of proxy storage contract

  • setMultipleFiatCurrencyDetails

    function setMultipleFiatCurrencyDetails(bytes32[] _currencies, uint[] _baseToTargetRates) public

    Only maintainer can call this, Function to update multiple rates at once.

    Modifiers:
    onlyMaintainer
    Parameters:
    _currencies - is the array of currencies
    _baseToTargetRates - uint[]

  • storeFiatCurrencyDetails

    function storeFiatCurrencyDetails(bytes32 _currency, uint _baseToTargetRate) internal

    Function to store details about currency.

    Parameters:
    _currency - is the bytes32 (hex) representation of currency shortcut string
    _baseToTargetRate - is the rate between base and target currency

  • stringToBytes32

    function stringToBytes32(string source) internal returns (bytes32)

    If string.length > 32 then the rest after 32nd char will be deleted, Helper method to convert string to bytes32.

    Parameters:
    source - string
    Returns:
    result
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