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{
"language": "Solidity",
"sources": {
"contracts/TAQEX.sol": {
"content": "// SPDX-License-Identifier: GNU\n///@title Aquarius Token (AQEX)\n///@author Aquarius Exchange - Ritwik Chakravarty\n///@notice AQEX is the native token for the Aquarius ecosystem.\n\n///@notice importing standard openzeppelin contracts\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\nimport \"@openzeppelin/contracts/utils/Context.sol\";\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\n\npragma solidity 0.8.11;\ncontract TAQEX is Context, IERC20, IERC20Metadata, Ownable {\n mapping(address => uint256) private _balances;\n mapping(address => mapping(address => uint256)) private _allowances;\n\n /// @notice initializing name, symbol, decimals, supply, hardcap \n uint256 private _rem_supply = 500000000 ether;\n uint256 private _totalSupply;\n string private _name;\n string private _symbol;\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n function name() external view virtual override returns (string memory) {\n return _name;\n }\n function symbol() external view virtual override returns (string memory) {\n return _symbol;\n }\n function decimals() external view virtual override returns (uint8) {\n return 18;\n }\n \n /// @return total circulating supply\n function totalSupply() external view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /// @return total remainder of un-minted tokens\n function rem_supply() external view virtual returns (uint256) {\n return _rem_supply;\n }\n\n /// @return balance of account wallet address\n function balanceOf(address account) external view virtual override returns (uint256) {\n return _balances[account];\n }\n\n /// @notice transfer function\n function transfer(address recipient, uint256 amount) public virtual override returns (bool) {\n _transfer(_msgSender(), recipient, amount);\n return true;\n }\n\n /// @return allowance for given address\n function allowance(address owner, address spender) external view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /// @notice approval of a spender\n function approve(address spender, uint256 amount) external virtual override returns (bool) {\n _approve(_msgSender(), spender, amount);\n return true;\n }\n\n /// @notice transfer from function\n function transferFrom(\n address sender,\n address recipient,\n uint256 amount\n ) external virtual override returns (bool) {\n uint256 currentAllowance = _allowances[sender][_msgSender()];\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: transfer amount exceeds allowance\");\n unchecked {\n _approve(sender, _msgSender(), currentAllowance - amount);\n }\n }\n _transfer(sender, recipient, amount);\n return true;\n }\n\n /// @return increased allowance\n function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) {\n _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);\n return true;\n }\n\n /// @return decreased allowance\n function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {\n uint256 currentAllowance = _allowances[_msgSender()][spender];\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(_msgSender(), spender, currentAllowance - subtractedValue);\n }\n return true;\n }\n\n function _transfer(\n address sender,\n address recipient,\n uint256 amount\n ) internal virtual {\n require(sender != address(0), \"ERC20: transfer from the zero address\");\n require(recipient != address(0), \"ERC20: transfer to the zero address\");\n _beforeTokenTransfer(sender, recipient, amount);\n uint256 senderBalance = _balances[sender];\n require(senderBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[sender] = senderBalance - amount;\n }\n _balances[recipient] += amount;\n emit Transfer(sender, recipient, amount);\n _afterTokenTransfer(sender, recipient, amount);\n }\n\n ///@notice minting function access to onlyOwner\n function mint(address account, uint256 amount) external onlyOwner {\n require(account != address(0), \"ERC20: mint to the zero address\");\n require((amount) <= _rem_supply, \"ERC20: max cap of minting over\");\n _beforeTokenTransfer(address(0), account, amount);\n _totalSupply += amount;\n _rem_supply -= amount;\n _balances[account] += amount;\n emit Transfer(address(0), account, amount);\n _afterTokenTransfer(address(0), account, amount);\n }\n\n ///@notice burn function access to msg.sender\n function burn(address account, uint256 amount) external {\n require(account != address(0), \"ERC20: burn from the zero address\");\n require(account == msg.sender, \"ERC20: can burn only from callers address\");\n _beforeTokenTransfer(account, address(0), amount);\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n }\n _totalSupply -= amount;\n emit Transfer(account, address(0), amount);\n _afterTokenTransfer(account, address(0), amount);\n }\n\n function _approve(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n}\n"
},
"@openzeppelin/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"
},
"@openzeppelin/contracts/access/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor() {\n _transferOwnership(_msgSender());\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n"
},
"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20Metadata is IERC20 {\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": false,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
} |