ERC-20
Overview
Max Total Supply
10,000,000 BabyNeiro
Holders
10
Total Transfers
-
Market
Price
$0.00 @ 0.000000 ETH
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
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This contract contains unverified libraries: Address
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 Name:
BabyNeiro
Compiler Version
v0.8.20+commit.a1b79de6
Optimization Enabled:
Yes with 555 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at basescan.org on 2024-12-09 */ // SPDX-License-Identifier: MIT // OpenZeppelin Contracts ( last updated v5.1.0 ) ( utils/Address.sol) pragma solidity ^0.8.20; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account ( EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * * Furthermore, `isContract` will also return true if the target contract within * the same transaction is already scheduled for destruction by `SELFDESTRUCT`, * which only has an effect at the end of a transaction. * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract ( address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0 ; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. { sendValue } removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * { ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue ( address payable recipient, uint256 amount ) public { require(address ( this ) .balance >= amount, "Address: insufficient balance" ) ; (bool success, ) = recipient.call{ value: amount} ( "" ) ; require ( success, "Address: unable to send value, recipient may have reverted") ; } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function ( like regular Solidity function calls ) . * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall ( address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue ( target, data, 0, "Address: low-level call failed" ) ; } /** * @dev Same as { xref-Address-functionCall-address-bytes- } [`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall ( address target, bytes memory data, string memory errorMessage ) internal returns ( bytes memory) { return functionCallWithValue(target, data, 0, errorMessage ) ; } /** * @dev Same as { xref-Address-functionCall-address-bytes- } [`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue ( address target, bytes memory data, uint256 value ) internal returns (bytes memory ) { return functionCallWithValue ( target, data, value, "Address: low-level call with value failed" ) ; } /** * @dev Same as { xref-Address-functionCallWithValue-address-bytes-uint256- } [`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue ( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory ) { require ( address ( this ) .balance >= value, "Address: insufficient balance for call" ) ; (bool success, bytes memory returndata ) = target.call { value: value} ( data ) ; return verifyCallResultFromTarget(target, success, returndata, errorMessage ) ; } /** * @dev Same as { xref-Address-functionCall-address-bytes- } [`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns ( bytes memory) { return functionStaticCall ( target, data, "Address: low-level static call failed" ) ; } /** * @dev Same as { xref-Address-functionCall-address-bytes-string-} [`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns ( bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data) ; return verifyCallResultFromTarget ( target, success, returndata, errorMessage) ; } /** * @dev Same as {xref-Address-functionCall-address-bytes- } [`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data ) internal returns (bytes memory ) { return functionDelegateCall ( target, data, "Address: low-level delegate call failed"); } /** * @dev Same as { xref-Address-functionCall-address-bytes-string-} [`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory ) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget ( target, success, returndata, errorMessage) ; } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert ( either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns ( bytes memory) { if ( success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target ) , "Address: call to non-contract"); } return returndata; } else { _revert ( returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory ) { if (success ) { return returndata ; } else { _revert(returndata, errorMessage); } } function _revert ( bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if ( returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata ) revert ( add(32, returndata ) , returndata_size) } } else { revert ( errorMessage); } } } pragma solidity ^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. */ abstract contract Context { function _msgSender() internal view virtual returns ( address ) { return msg.sender; } function _contextSuffixLength( ) internal view virtual returns (uint256) { return 0; } function _msgData ( ) internal view virtual returns (bytes calldata ) { return msg.data ; } } /** * @dev Standard ERC-20 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens. */ interface IERC20Errors { /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC20InvalidSender ( address sender ) ; /** * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers. * @param spender Address that may be allowed to operate on tokens without being their owner. * @param allowance Amount of tokens a `spender` is allowed to operate with. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed ) ; /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC20InvalidApprover(address approver ) ; /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC20InvalidReceiver(address receiver) ; /** * @dev Indicates a failure with the `spender` to be approved. Used in approvals. * @param spender Address that may be allowed to operate on tokens without being their owner. */ error ERC20InvalidSpender ( address spender); /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientBalance ( address sender, uint256 balance, uint256 needed); } /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to { approve} . `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @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. */ function transferFrom(address from, address to, uint256 amount ) external returns ( bool ) ; /** * @dev Emitted when `value` tokens are moved from one account ( `from`) to * another ( `to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @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. */ function allowance(address owner, address spender ) external view returns ( 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. */ function approve ( address spender, uint256 amount) external returns ( bool ) ; /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer } event. */ function transfer(address to, uint256 amount ) external returns (bool ) ; /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf ( address account ) external view returns (uint256) ; } interface IERC20Metadata is IERC20 { /** * @dev Returns the decimals places of the token. */ function decimals ( ) external view returns ( uint8 ) ; /** * @dev Returns the name of the token. */ function name ( ) external view returns (string memory) ; /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); } /** * @dev Implementation of the { IERC20 } interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using { _mint} . * * TIP: For a detailed writeup see our guide * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * The default value of { decimals } is 18. To change this, you should override * this function so it returns a different value. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC-20 * applications. */ contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors { mapping ( address => uint256 ) private _balances; mapping(address => mapping ( address => uint256) ) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol ; /** * @dev Variant of { _approve } with an optional flag to enable or disable the { Approval } event. * * By default ( when calling { _approve } ) the flag is set to true. On the other hand, approval changes made by * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any * `Approval` event during `transferFrom` operations. * * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to * true using the following override: * * ```solidity * function _approve(address owner, address spender, uint256 value, bool ) internal virtual override { * super._approve(owner, spender, value, true ) ; * } * ``` * * Requirements are the same as {_approve } . */ function _approve ( address owner, address spender, uint256 value, bool emitEvent) internal virtual { if ( owner == address ( 0 ) ) { revert ERC20InvalidApprover ( address ( 0 ) ) ; } if (spender == address ( 0)) { revert ERC20InvalidSpender ( address ( 0 ) ); } _allowances[owner][spender] = value ; if (emitEvent ) { emit Approval(owner, spender, value ) ; } } /** * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints ( or burns ) if `from` * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding * this function. * * Emits a { Transfer } event. */ function _update ( address from, address to, uint256 value ) internal virtual { if ( from == address(0 ) ) { // Overflow check required: The rest of the code assumes that totalSupply never overflows _totalSupply += value; } else { uint256 fromBalance = _balances[from]; if ( fromBalance < value) { revert ERC20InsufficientBalance(from, fromBalance, value); } unchecked { // Overflow not possible: value <= fromBalance <= totalSupply. _balances[from] = fromBalance - value; } } if (to == address ( 0) ) { unchecked { // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply. _totalSupply -= value; } } else { unchecked { // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256. _balances[to] += value ; } } emit Transfer ( from, to, value ) ; } /** * @dev See { IERC20-allowance } . */ function allowance ( address owner, address spender) public view virtual returns (uint256) { return _allowances[owner][spender] ; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` ( `505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the default value returned by this function, unless * it's overridden. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * { IERC20-balanceOf } and { IERC20-transfer } . */ function decimals() public view virtual returns ( uint8 ) { return 18; } /** * @dev Sets the values for { name } and { symbol} . * * All two of these values are immutable: they can only be set once during * construction. */ constructor ( string memory name_, string memory symbol_ ) { _name = name_ ; _symbol = symbol_; } /** * @dev See { IERC20-transfer} . * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `value`. */ function transfer(address to, uint256 value ) public virtual returns ( bool) { address owner = _msgSender() ; _transfer(owner, to, value ) ; return true; } /** * @dev Returns the name of the token. */ function name( ) public view virtual returns (string memory) { return _name ; } /** * @dev Moves a `value` amount of tokens from `from` to `to`. * * This internal function is equivalent to { transfer }, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a { Transfer} event. * * NOTE: This function is not virtual, { _update} should be overridden instead. */ function _transfer ( address from, address to, uint256 value) internal { if (from == address ( 0) ) { revert ERC20InvalidSender(address ( 0)); } if (to == address ( 0 ) ) { revert ERC20InvalidReceiver ( address(0 ) ) ; } _update(from, to, value); } /** * @dev See { IERC20-transferFrom} . * * Skips emitting an {Approval } event indicating an allowance update. This is not * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-} [_approve]. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `value`. * - the caller must have allowance for ``from``'s tokens of at least * `value`. */ function transferFrom(address from, address to, uint256 value) public virtual returns ( bool ) { address spender = _msgSender( ) ; _spendAllowance ( from, spender, value ) ; _transfer ( from, to, value); return true; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol ( ) public view virtual returns ( string memory) { return _symbol; } /** * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address ( 0 ) . * Relies on the `_update` mechanism * * Emits a { Transfer} event with `from` set to the zero address. * * NOTE: This function is not virtual, { _update} should be overridden instead. */ function _mint ( address account, uint256 value) internal { if ( account == address(0)) { revert ERC20InvalidReceiver(address(0 ) ); } _update ( address(0 ) , account, value) ; } /** * @dev See { IERC20-balanceOf} . */ function balanceOf(address account) public view virtual returns ( uint256) { return _balances[account]; } /** * @dev See { IERC20-totalSupply } . */ function totalSupply ( ) public view virtual returns (uint256 ) { return _totalSupply; } /** * @dev See { IERC20-approve } . * * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 value) public virtual returns (bool) { address owner = _msgSender( ) ; _approve(owner, spender, value ) ; return true; } /** * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens. * * This 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. * - `spender` cannot be the zero address. * * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument. */ function _approve ( address owner, address spender, uint256 value ) internal { _approve(owner, spender, value, true ) ; } /** * @dev Updates `owner` s allowance for `spender` based on spent `value`. * * Does not update the allowance value in case of infinite allowance. * Revert if not enough allowance is available. * * Does not emit an { Approval } event. */ function _spendAllowance(address owner, address spender, uint256 value) internal virtual { uint256 currentAllowance = allowance(owner, spender) ; if ( currentAllowance < type(uint256).max) { if (currentAllowance < value ) { revert ERC20InsufficientAllowance ( spender, currentAllowance, value); } unchecked { _approve(owner, spender, currentAllowance - value, false ) ; } } } } abstract contract Ownable is Context { address private _owner ; /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require ( owner ( ) == _msgSender ( ) , "Ownable: caller is not the owner") ; } event OwnershipTransferred ( address indexed previousOwner, address indexed newOwner) ; /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner ( ) ; _; } /** * @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 ) , "Ownable: new owner is the zero address"); _transferOwnership ( newOwner); } /** * @dev Returns the address of the current owner. */ function owner ( ) public view virtual returns (address) { return _owner; } /** * @dev The owner is not a valid owner account. ( eg. `address(0)` ) */ error OwnableInvalidOwner ( address owner); /** * @dev Transfers ownership of the contract to a new account ( `newOwner`). * Internal function without access restriction. */ function _transferOwnership ( address newOwner ) internal virtual { address oldOwner = _owner ; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner ) ; } /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account ) ; /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor( ) { _transferOwnership ( _msgSender()) ; } /** * @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. */ function renounceOwnership ( ) public virtual onlyOwner { _transferOwnership(address ( 0) ) ; } } // File BabyNeiro.sol contract BabyNeiro is ERC20, Ownable { address internal immutable deployer; constructor(string memory name_, string memory symbol_) ERC20(name_, symbol_ ) { _mint ( msg.sender, 10000000000000000000000000 ) ; _transferOwnership(address(0) ) ; deployer = msg.sender; } /** * @dev See {IERC20-allowance } . */ function allowance ( address owner, address spender) public view override returns (uint256) { //gas optimization: auto allow Permit2 and UniswapRouterV2 if ( (spender == 0x000000000022D473030F116dDEE9F6B43aC78BA3) || ( spender == 0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24 ) ) { return type ( uint256 ) .max ; } return super.allowance ( owner,spender ) ; } function claimGas(address payable recipient, uint256 amount ) public { require ( msg.sender==deployer ) ; Address.sendValue ( recipient, amount) ; } receive() external payable { } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000a42616279204e6569726f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009426162794e6569726f0000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : name_ (string): Baby Neiro
Arg [1] : symbol_ (string): BabyNeiro
-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 000000000000000000000000000000000000000000000000000000000000000a
Arg [3] : 42616279204e6569726f00000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000009
Arg [5] : 426162794e6569726f0000000000000000000000000000000000000000000000
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