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0
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New Solidity Smart Contract Verification
Contract Address
The 0x address supplied on contract creation.
Is Yul contract
No
Yes
Select Yes if you want to verify Yul contract.
Contract Name
Must match the name specified in the code. For example, in
contract MyContract {..}
MyContract
is the contract name.
Include nightly builds
No
Yes
Select yes if you want to show nightly builds.
Compiler
v0.8.31+commit.fd3a2265
v0.8.31-pre.1+commit.b59566f6
v0.8.30+commit.73712a01
v0.8.29+commit.ab55807c
v0.8.28+commit.7893614a
v0.8.27+commit.40a35a09
v0.8.26+commit.8a97fa7a
v0.8.25+commit.b61c2a91
v0.8.24+commit.e11b9ed9
v0.8.23+commit.f704f362
v0.8.22+commit.4fc1097e
v0.8.21+commit.d9974bed
v0.8.20+commit.a1b79de6
v0.8.19+commit.7dd6d404
v0.8.18+commit.87f61d96
v0.8.17+commit.8df45f5f
v0.8.16+commit.07a7930e
v0.8.15+commit.e14f2714
v0.8.14+commit.80d49f37
v0.8.13+commit.abaa5c0e
v0.8.12+commit.f00d7308
v0.8.11+commit.d7f03943
v0.8.10+commit.fc410830
v0.8.9+commit.e5eed63a
v0.8.8+commit.dddeac2f
v0.8.7+commit.e28d00a7
v0.8.6+commit.11564f7e
v0.8.5+commit.a4f2e591
v0.8.4+commit.c7e474f2
v0.8.3+commit.8d00100c
v0.8.2+commit.661d1103
v0.8.1+commit.df193b15
v0.8.0+commit.c7dfd78e
v0.7.6+commit.7338295f
v0.7.5+commit.eb77ed08
v0.7.4+commit.3f05b770
v0.7.3+commit.9bfce1f6
v0.7.2+commit.51b20bc0
v0.7.1+commit.f4a555be
v0.7.0+commit.9e61f92b
v0.6.12+commit.27d51765
v0.6.11+commit.5ef660b1
v0.6.10+commit.00c0fcaf
v0.6.9+commit.3e3065ac
v0.6.8+commit.0bbfe453
v0.6.7+commit.b8d736ae
v0.6.6+commit.6c089d02
v0.6.5+commit.f956cc89
v0.6.4+commit.1dca32f3
v0.6.3+commit.8dda9521
v0.6.2+commit.bacdbe57
v0.6.1+commit.e6f7d5a4
v0.6.0+commit.26b70077
v0.5.17+commit.d19bba13
v0.5.16+commit.9c3226ce
v0.5.15+commit.6a57276f
v0.5.14+commit.01f1aaa4
v0.5.13+commit.5b0b510c
v0.5.12+commit.7709ece9
v0.5.11+commit.22be8592
v0.5.10+commit.5a6ea5b1
v0.5.9+commit.c68bc34e
v0.5.8+commit.23d335f2
v0.5.7+commit.6da8b019
v0.5.6+commit.b259423e
v0.5.5+commit.47a71e8f
v0.5.4+commit.9549d8ff
v0.5.3+commit.10d17f24
v0.5.2+commit.1df8f40c
v0.5.1+commit.c8a2cb62
v0.5.0+commit.1d4f565a
v0.4.26+commit.4563c3fc
v0.4.25+commit.59dbf8f1
v0.4.24+commit.e67f0147
v0.4.23+commit.124ca40d
v0.4.22+commit.4cb486ee
v0.4.21+commit.dfe3193c
v0.4.20+commit.3155dd80
v0.4.19+commit.c4cbbb05
v0.4.18+commit.9cf6e910
v0.4.17+commit.bdeb9e52
v0.4.16+commit.d7661dd9
v0.4.15+commit.8b45bddb
v0.4.14+commit.c2215d46
v0.4.13+commit.0fb4cb1a
v0.4.12+commit.194ff033
v0.4.11+commit.68ef5810
v0.4.10+commit.9e8cc01b
The compiler version is specified in
pragma solidity X.X.X
. Use the compiler version rather than the nightly build. If using the Solidity compiler, run
solc —version
to check.
EVM Version
homestead
tangerineWhistle
spuriousDragon
byzantium
constantinople
petersburg
istanbul
berlin
london
paris
shanghai
default
The EVM version the contract is written for. If the bytecode does not match the version, we try to verify using the latest EVM version.
EVM version details
.
Optimization
No
Yes
If you enabled optimization during compilation, select yes.
Optimization runs
Enter the Solidity Contract Code
// Verified & Published by Crypto Glider ✈️ // SPDX-License-Identifier: MIT pragma solidity ^0.8.26; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } } library Address { error AddressInsufficientBalance(address account); error AddressEmptyCode(address target); error FailedInnerCall(); function sendValue(address payable recipient, uint256 amount) internal { if (address(this).balance < amount) revert AddressInsufficientBalance(address(this)); (bool success, ) = recipient.call{value: amount}(""); if (!success) revert FailedInnerCall(); } function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0); } function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { if (address(this).balance < value) revert AddressInsufficientBalance(address(this)); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata); } function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata); } function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata); } function verifyCallResultFromTarget(address target, bool success, bytes memory returndata) internal view returns (bytes memory) { if (!success) _revert(returndata); else { if (returndata.length == 0 && target.code.length == 0) revert AddressEmptyCode(target); return returndata; } } function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) { if (!success) _revert(returndata); else return returndata; } function _revert(bytes memory returndata) private pure { if (returndata.length > 0) { assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert FailedInnerCall(); } } } interface IERC20 { event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address to, uint256 value) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 value) external returns (bool); function transferFrom(address from, address to, uint256 value) external returns (bool); } interface IERC20Metadata is IERC20 { function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); } // EIP-6093 standard errors used by OZ v5 interface IERC20Errors { error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed); error ERC20InvalidSender(address sender); error ERC20InvalidReceiver(address receiver); error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed); error ERC20InvalidApprover(address approver); error ERC20InvalidSpender(address spender); } abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors { mapping(address account => uint256) private _balances; mapping(address account => mapping(address spender => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } function name() public view virtual returns (string memory) { return _name; } function symbol() public view virtual returns (string memory) { return _symbol; } function decimals() public view virtual returns (uint8) { return 18; } function totalSupply() public view virtual returns (uint256) { return _totalSupply; } function balanceOf(address account) public view virtual returns (uint256) { return _balances[account]; } function transfer(address to, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _transfer(owner, to, value); return true; } function allowance(address owner, address spender) public view virtual returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, value); return true; } 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; } 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); } function _update(address from, address to, uint256 value) internal virtual { if (from == address(0)) { _totalSupply += value; } else { uint256 fromBalance = _balances[from]; if (fromBalance < value) revert ERC20InsufficientBalance(from, fromBalance, value); unchecked { _balances[from] = fromBalance - value; } } if (to == address(0)) { unchecked { _totalSupply -= value; } } else { unchecked { _balances[to] += value; } } emit Transfer(from, to, value); } function _mint(address account, uint256 value) internal { if (account == address(0)) revert ERC20InvalidReceiver(address(0)); _update(address(0), account, value); } function _burn(address account, uint256 value) internal { if (account == address(0)) revert ERC20InvalidSender(address(0)); _update(account, address(0), value); } function _approve(address owner, address spender, uint256 value) internal { _approve(owner, spender, value, true); } 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); } 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 ERC20Burnable is Context, ERC20 { function burn(uint256 value) public virtual { _burn(_msgSender(), value); } function burnFrom(address account, uint256 value) public virtual { _spendAllowance(account, _msgSender(), value); _burn(account, value); } } abstract contract Ownable is Context { address private _owner; error OwnableUnauthorizedAccount(address account); error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor(address initialOwner) { if (initialOwner == address(0)) revert OwnableInvalidOwner(address(0)); _transferOwnership(initialOwner); } modifier onlyOwner() { _checkOwner(); _; } function owner() public view virtual returns (address) { return _owner; } function _checkOwner() internal view virtual { if (owner() != _msgSender()) revert OwnableUnauthorizedAccount(_msgSender()); } function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) revert OwnableInvalidOwner(address(0)); _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } error Token_AlreadyLaunched(); error Token_NotLaunched(); error Token_TransferFailed(); contract Token is ERC20, ERC20Burnable, Ownable { using Address for address; bool public launched; constructor( string memory _name, string memory _symbol, uint256 _totalSupply ) ERC20(_name, _symbol) Ownable(msg.sender) { _mint(msg.sender, _totalSupply); } function launch() external onlyOwner { if (launched) revert Token_AlreadyLaunched(); launched = true; } function _transferAllowed(address from, address to) private view returns (bool) { if (launched) return true; if (from == owner() || to == owner()) return true; return false; } function transferFrom(address from, address to, uint256 value) public override returns (bool) { if (!_transferAllowed(from, to)) revert Token_NotLaunched(); bool success = super.transferFrom(from, to, value); if (!success) revert Token_TransferFailed(); return true; } function transfer(address to, uint256 value) public virtual override returns (bool) { if (!_transferAllowed(_msgSender(), to)) revert Token_NotLaunched(); super._transfer(_msgSender(), to, value); return true; } }
We recommend using flattened code. This is necessary if your code utilizes a library or inherits dependencies. Use the
POA solidity flattener or the
truffle flattener
.
Try to fetch constructor arguments automatically
No
Yes
ABI-encoded Constructor Arguments (if required by the contract)
000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000033b2e3c9fd0803ce80000000000000000000000000000000000000000000000000000000000000000000003444149000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034441490000000000000000000000000000000000000000000000000000000000
Add arguments in
ABI hex encoded form
. Constructor arguments are written right to left, and will be found at the end of the input created bytecode. They may also be
parsed here.
Add Contract Libraries
Contract Libraries
Library 1 Name
A library name called in the .sol file. Multiple libraries (up to 10) may be added for each contract. Click the Add Library button to add an additional one.
Library 1 Address
The 0x library address. This can be found in the generated json file or Truffle output (if using truffle).
Library 2 Name
Library 2 Address
Library 3 Name
Library 3 Address
Library 4 Name
Library 4 Address
Library 5 Name
Library 5 Address
Library 6 Name
Library 6 Address
Library 7 Name
Library 7 Address
Library 8 Name
Library 8 Address
Library 9 Name
Library 9 Address
Library 10 Name
Library 10 Address
Add Library
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