文件 1 的 9:Address.sol
pragma solidity ^0.7.0;
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
function sendValue(address payable recipient, uint256 amount) internal {
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");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
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");
}
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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
文件 2 的 9:Context.sol
pragma solidity ^0.7.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
文件 3 的 9:ERC20CappedUnburnable.sol
pragma solidity ^0.7.0;
import "./ERC20PausableUnburnable.sol";
abstract contract ERC20CappedUnburnable is ERC20PausableUnburnable {
using SafeMath for uint256;
uint256 private _cap;
constructor (uint256 capGiven) {
require(capGiven > 0, "ERC20Capped: cap is 0");
_cap = capGiven;
}
function cap() public view returns (uint256) {
return _cap;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override {
super._beforeTokenTransfer(from, to, amount);
if (from == address(0)) {
require(totalSupply().add(amount) <= _cap, "ERC20Capped: cap exceeded");
}
}
}
文件 4 的 9:ERC20PausableUnburnable.sol
pragma solidity ^0.7.0;
import "./ERC20Unburnable.sol";
import "./Pausable.sol";
abstract contract ERC20PausableUnburnable is ERC20Unburnable, Pausable {
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override {
super._beforeTokenTransfer(from, to, amount);
require(!paused(), "ERC20PausableUnburnable: token transfer while paused");
}
}
文件 5 的 9:ERC20Unburnable.sol
pragma solidity ^0.7.0;
import "./Context.sol";
import "./IERC20.sol";
import "./SafeMath.sol";
import "./Address.sol";
contract ERC20Unburnable is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory nameGiven, string memory symbolGiven) {
_name = nameGiven;
_symbol = symbolGiven;
_decimals = 18;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20Unburnable: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20Unburnable: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20Unburnable: transfer from the zero address");
require(recipient != address(0), "ERC20Unburnable: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20Unburnable: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20Unburnable: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20Unburnable: approve from the zero address");
require(spender != address(0), "ERC20Unburnable: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {
}
}
文件 6 的 9:IERC20.sol
pragma solidity ^0.7.0;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
文件 7 的 9:LBCToken.sol
pragma solidity ^0.7.0;
import "./Context.sol";
import "./ERC20CappedUnburnable.sol";
import "./ERC20Unburnable.sol";
import "./ERC20PausableUnburnable.sol";
contract LBCToken is Context, ERC20CappedUnburnable {
bool public initialized;
address public _deployingAddress;
address public _pauserAddress;
address public _minterAddress;
address public _reserveAddress;
event InitializedContract(address indexed reserveAddress);
event ChangedMinterAddress(address indexed minterAddress, address indexed changerAddress);
event ChangedPauserAddress(address indexed pauserAddress, address indexed changerAddress);
event ChangedReserveAddress(address indexed reserveAddress, address indexed changerAddress);
event ChangedDeployerAddress(address indexed deployerAddress, address indexed changerAddress);
constructor(
string memory name,
string memory symbol
)
ERC20Unburnable(name, symbol)
ERC20CappedUnburnable(300000000000000000000000000)
{
_deployingAddress = msg.sender;
}
function init(
address minterAddress,
address pauserAddress,
address reserveAddress
)
public
isNotInitialized
onlyDeployingAddress
{
require(minterAddress != address(0), "_minterAddress cannot be 0x");
require(pauserAddress != address(0), "_pauserAddress cannot be 0x");
require(reserveAddress != address(0), "_reserveAddress cannot be 0x");
_minterAddress = minterAddress;
_pauserAddress = pauserAddress;
_reserveAddress = reserveAddress;
initialized = true;
emit InitializedContract(reserveAddress);
}
function mint(address to, uint256 amount)
public
onlyMinterAddress
virtual
returns (bool) {
_mint(to, amount);
return true;
}
function pause()
public
onlyPauserAddress
virtual {
_pause();
}
function unpause()
public
onlyPauserAddress
virtual {
_unpause();
}
function changePauser(address newPauserAddress)
public
onlyDeployingAddress
whenNotPaused
{
_pauserAddress = newPauserAddress;
emit ChangedPauserAddress(newPauserAddress, _msgSender());
}
function changeMinter(address newMinterAddress)
public
onlyDeployingAddress
whenNotPaused
{
_minterAddress = newMinterAddress;
emit ChangedMinterAddress(newMinterAddress, _msgSender());
}
function changeDeployer(address newDeployerAddress)
public
onlyDeployingAddress
{
_deployingAddress = newDeployerAddress;
emit ChangedDeployerAddress(_deployingAddress, _msgSender());
}
modifier onlyDeployingAddress() {
require(msg.sender == _deployingAddress, "Only the deploying address can call this method.");
_;
}
modifier onlyMinterAddress() {
require(msg.sender == _minterAddress, "Only the minter address can call this method.");
_;
}
modifier onlyPauserAddress() {
require(msg.sender == _pauserAddress, "Only the pauser address can call this method.");
_;
}
modifier isNotInitialized() {
require(initialized == false, "Contract is already initialized.");
_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override(ERC20CappedUnburnable) {
super._beforeTokenTransfer(from, to, amount);
}
}
文件 8 的 9:Pausable.sol
pragma solidity ^0.7.0;
import "./Context.sol";
contract Pausable is Context {
event Paused(address account);
event Unpaused(address account);
bool private _paused;
constructor () {
_paused = false;
}
function paused() public view returns (bool) {
return _paused;
}
modifier whenNotPaused() {
require(!_paused, "Pausable: paused");
_;
}
modifier whenPaused() {
require(_paused, "Pausable: not paused");
_;
}
function _pause() internal virtual whenNotPaused {
_paused = true;
emit Paused(_msgSender());
}
function _unpause() internal virtual whenPaused {
_paused = false;
emit Unpaused(_msgSender());
}
}
文件 9 的 9:SafeMath.sol
pragma solidity ^0.7.0;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
{
"compilationTarget": {
"LBCToken.sol": "LBCToken"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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