// SPDX-License-Identifier: MITpragmasolidity >=0.8.2 <0.9.0;import"@openzeppelin/contracts/utils/Context.sol";
import"@openzeppelin/contracts/access/Ownable.sol";
import"@openzeppelin/contracts/token/ERC20/IERC20.sol";
import"@openzeppelin/contracts/utils/math/SafeMath.sol";
import"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
contractAnonWeb3TokenisIERC20, IERC20Metadata, Context, Ownable{
usingSafeMathforuint256;
stringprivate _name;
stringprivate _symbol;
uint8private _decimals;
uint256private _totalSupply;
uint256private _maxPercentage;
addressprivate _teamOneWallet;
addressprivate _teamTwoWallet;
addressprivate _communityWallet;
mapping(address=>bool) private _routers;
mapping(address=>uint256) private _balances;
mapping(address=>mapping(address=>uint256)) private _allowances;
constructor() {
_name ="Anon Web3 Token";
_symbol ="AW3";
_decimals =18;
_totalSupply =1000000000*10**uint256(_decimals);
_maxPercentage =1;
_teamOneWallet =0xD727c5B0038baf8d7dBfDfC5341EEDaeE03BFB07;
_teamTwoWallet =0x57158CEb8DfAAc2082220CA00ec45BF1728EC14B;
_communityWallet =0x0D96891ef3cE7d26D2005231e83ECDE2269c9933;
_balances[_msgSender()] = _totalSupply;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
// Returns the token namefunctionname() publicviewoverridereturns (stringmemory) {
return _name;
}
// Returns the token symbol functionsymbol() publicviewoverridereturns (stringmemory) {
return _symbol;
}
// Returns the number of decimals used in the token functiondecimals() publicviewoverridereturns (uint8) {
return _decimals;
}
// Returns the total supply of the tokenfunctiontotalSupply() publicviewoverridereturns (uint256) {
return _totalSupply;
}
// Returns the balance of a specific accountfunctionbalanceOf(address account) publicviewoverridereturns (uint256) {
return _balances[account];
}
// Transfers tokens from the sender to the recipientfunctiontransfer(address recipient, uint256 amount) publicoverridereturns (bool) {
_transfer(_msgSender(), recipient, amount);
returntrue;
}
// Returns the amount of tokens that the spender is allowed to spend on behalf of the ownerfunctionallowance(address owner, address spender) publicviewoverridereturns (uint256) {
return _allowances[owner][spender];
}
// Approves the spender to spend a certain amount of tokens on behalf of the senderfunctionapprove(address spender, uint256 amount) publicoverridereturns (bool) {
_approve(_msgSender(), spender, amount);
returntrue;
}
// Transfers tokens from one address to another with the sender's approvalfunctiontransferFrom(address sender, address recipient, uint256 amount) publicoverridereturns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")
);
returntrue;
}
// Increases the allowance granted to a spenderfunctionincreaseAllowance(address spender, uint256 addedValue) publicvirtualreturns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
returntrue;
}
// Decreases the allowance granted to a spenderfunctiondecreaseAllowance(address spender, uint256 subtractedValue) publicvirtualreturns (bool) {
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")
);
returntrue;
}
// Burns a specific amount of tokens, reducing the total supplyfunctionburn(uint256 amount) publicreturns (bool) {
require(amount >0, "ERC20: burn amount must be greater than zero");
require(_balances[msg.sender] >= amount, "ERC20: burn amount exceeds balance");
_balances[msg.sender] = _balances[msg.sender].sub(amount);
_totalSupply = _totalSupply.sub(amount);
emit Transfer(msg.sender, address(0), amount);
returntrue;
}
// Internal function for transferring tokensfunction_transfer(address sender, address recipient, uint256 amount) internal{
// Verify balancesuint256 senderBalance = _balances[sender];
require(sender !=address(0), "ERC20: transfer from the zero address");
require(recipient !=address(0), "ERC20: transfer to the zero address");
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
// Verify if it's a swap transactionbool isBuyTransaction =false;
bool isSellTransaction =false;
if (_routers[sender] && sender != owner()) {
isBuyTransaction =true;
}
if (_routers[recipient] && sender != owner()) {
isSellTransaction =true;
}
if (isBuyTransaction) {
// Calculate the maximum amount allowed for the recipient based on _maxPercentageuint256 maxAmountAllowed = _totalSupply.mul(_maxPercentage).div(100);
// Ensure the recipient's balance won't exceed the max allowed amountrequire(
_balances[recipient].add(amount) <= maxAmountAllowed,
"ERC20: recipient's balance would exceed the maximum allowed percentage"
);
}
// Send tax if neededuint256 taxAmount = (isSellTransaction || isBuyTransaction) ? calculateTax(amount) : 0;
if (taxAmount >0) {
uint256 teamShare = taxAmount.mul(2).div(5);
uint256 marketingShare = taxAmount.mul(2).div(5);
uint256 communityShare = taxAmount.sub(teamShare).sub(marketingShare);
_balances[_teamOneWallet] = _balances[_teamOneWallet].add(teamShare);
_balances[_teamTwoWallet] = _balances[_teamTwoWallet].add(marketingShare);
_balances[_communityWallet] = _balances[_communityWallet].add(communityShare);
emit Transfer(sender, _teamOneWallet, teamShare);
emit Transfer(sender, _teamTwoWallet, marketingShare);
emit Transfer(sender, _communityWallet, communityShare);
}
// Send transfer uint256 transferAmount = amount.sub(taxAmount);
_balances[sender] = senderBalance.sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transferAmount);
emit Transfer(sender, recipient, transferAmount);
}
// Internal function for approving spendingfunction_approve(address owner, address spender, uint256 amount) internal{
require(owner !=address(0), "ERC20: approve from the zero address");
require(spender !=address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
// Calculate the tax amount (4% of the transaction amount)functioncalculateTax(uint256 amount) internalpurereturns (uint256) {
return amount.mul(4).div(100);
}
// Function to set the maximum percentage allowed in a single transaction (only callable by the owner)functionsetMaxPercentage(uint256 percentage) publiconlyOwner{
require(percentage <=100, "Max percentage cannot exceed 100%");
_maxPercentage = percentage;
}
// Function to add a router address (only callable by the owner)functionaddRouter(address router) publiconlyOwner{
require(router !=address(0), "ERC20: router address cannot be zero");
_routers[router] =true;
}
// Function to delete a router address (only callable by the owner)functiondeleteRouter(address router) publiconlyOwner{
require(router !=address(0), "ERC20: router address cannot be zero");
require(_routers[router], "ERC20: router address not found");
_routers[router] =false;
}
// Function to get _routersfunctionisRouter(address addr) publicviewreturns (bool) {
return _routers[addr];
}
// Function to change the _teamOneWallet address (only callable by the owner)functionchangeTeamOneWallet(address newWallet) publiconlyOwner{
require(newWallet !=address(0), "ERC20: new wallet address cannot be zero");
_teamOneWallet = newWallet;
}
// Function to change the _teamTwoWallet wallet address (only callable by the owner)functionchangeTeamTwoWallet(address newWallet) publiconlyOwner{
require(newWallet !=address(0), "ERC20: new wallet address cannot be zero");
_teamTwoWallet = newWallet;
}
// Function to change the _communityWallet address (only callable by the owner)functionchangeCommunityWallet(address newWallet) publiconlyOwner{
require(newWallet !=address(0), "ERC20: new wallet address cannot be zero");
_communityWallet = newWallet;
}
}
Contract Source Code
File 2 of 6: Context.sol
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)pragmasolidity ^0.8.0;/**
* @dev Provides information about the current execution context, 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.
*/abstractcontractContext{
function_msgSender() internalviewvirtualreturns (address) {
returnmsg.sender;
}
function_msgData() internalviewvirtualreturns (bytescalldata) {
returnmsg.data;
}
}
Contract Source Code
File 3 of 6: IERC20.sol
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)pragmasolidity ^0.8.0;/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/interfaceIERC20{
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/eventTransfer(addressindexedfrom, addressindexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/eventApproval(addressindexed owner, addressindexed spender, uint256 value);
/**
* @dev Returns the amount of tokens in existence.
*/functiontotalSupply() externalviewreturns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/functionbalanceOf(address account) externalviewreturns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/functiontransfer(address to, uint256 amount) externalreturns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/functionallowance(address owner, address spender) externalviewreturns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether 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 spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/functionapprove(address spender, uint256 amount) externalreturns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/functiontransferFrom(addressfrom, address to, uint256 amount) externalreturns (bool);
}
Contract Source Code
File 4 of 6: IERC20Metadata.sol
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)pragmasolidity ^0.8.0;import"../IERC20.sol";
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/interfaceIERC20MetadataisIERC20{
/**
* @dev Returns the name of the token.
*/functionname() externalviewreturns (stringmemory);
/**
* @dev Returns the symbol of the token.
*/functionsymbol() externalviewreturns (stringmemory);
/**
* @dev Returns the decimals places of the token.
*/functiondecimals() externalviewreturns (uint8);
}
Contract Source Code
File 5 of 6: Ownable.sol
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)pragmasolidity ^0.8.0;import"../utils/Context.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.
*/abstractcontractOwnableisContext{
addressprivate _owner;
eventOwnershipTransferred(addressindexed previousOwner, addressindexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/modifieronlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/functionowner() publicviewvirtualreturns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/function_checkOwner() internalviewvirtual{
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/functionrenounceOwnership() publicvirtualonlyOwner{
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/functiontransferOwnership(address newOwner) publicvirtualonlyOwner{
require(newOwner !=address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/function_transferOwnership(address newOwner) internalvirtual{
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
Contract Source Code
File 6 of 6: SafeMath.sol
// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/SafeMath.sol)pragmasolidity ^0.8.0;// CAUTION// This version of SafeMath should only be used with Solidity 0.8 or later,// because it relies on the compiler's built in overflow checks./**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/librarySafeMath{
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/functiontryAdd(uint256 a, uint256 b) internalpurereturns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the subtraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/functiontrySub(uint256 a, uint256 b) internalpurereturns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/functiontryMul(uint256 a, uint256 b) internalpurereturns (bool, uint256) {
unchecked {
// 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/522if (a ==0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/functiontryDiv(uint256 a, uint256 b) internalpurereturns (bool, uint256) {
unchecked {
if (b ==0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/functiontryMod(uint256 a, uint256 b) internalpurereturns (bool, uint256) {
unchecked {
if (b ==0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/functionadd(uint256 a, uint256 b) internalpurereturns (uint256) {
return a + b;
}
/**
* @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.
*/functionsub(uint256 a, uint256 b) internalpurereturns (uint256) {
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/functionmul(uint256 a, uint256 b) internalpurereturns (uint256) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/functiondiv(uint256 a, uint256 b) internalpurereturns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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.
*/functionmod(uint256 a, uint256 b) internalpurereturns (uint256) {
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/functionsub(uint256 a, uint256 b, stringmemory errorMessage) internalpurereturns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting 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.
*/functiondiv(uint256 a, uint256 b, stringmemory errorMessage) internalpurereturns (uint256) {
unchecked {
require(b >0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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.
*/functionmod(uint256 a, uint256 b, stringmemory errorMessage) internalpurereturns (uint256) {
unchecked {
require(b >0, errorMessage);
return a % b;
}
}
}