问题描述
错误：VM 错误：还原。 revert 事务已恢复到初始状态。注意：如果您发送价值并且您发送的价值应小于您当前的余额，则应支付被调用的函数。调试事务以获取更多信息。
我在尝试使用 remix 部署联系人时收到此错误。这是代码：
pragma solidity ^0.6.12;
// SPDX-License-Identifier: Unlicensed
interface IERC20 {
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient,uint256 amount) external returns (bool);
/**
* @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 `sender` to `recipient` 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 sender,address recipient,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 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 Wrappers over solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in solidity wrap on overflow. This can easily result
* in bugs,because programmers usually assume that an overflow raises an
* error,which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs,so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers,reverting on
* overflow.
*
* Counterpart to solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a,uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a,"SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers,reverting on
* overflow (when the result is negative).
*
* Counterpart to solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a,uint256 b) internal pure returns (uint256) {
return sub(a,b,"SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers,reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a,uint256 b,string memory errorMessage) internal pure returns (uint256) {
require(b <= a,errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers,reverting on
* overflow.
*
* Counterpart to solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a,uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero,but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b,"SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a,uint256 b) internal pure returns (uint256) {
return div(a,"SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a,string memory errorMessage) internal pure returns (uint256) {
require(b > 0,errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),* Reverts when dividing by zero.
*
* Counterpart to solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a,uint256 b) internal pure returns (uint256) {
return mod(a,"SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),* Reverts with custom message when dividing by zero.
*
* Counterpart to solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a,string memory errorMessage) internal pure returns (uint256) {
require(b != 0,errorMessage);
return a % b;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
/**
* @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
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052,0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code,i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @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://diligence.consensys.net/posts/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/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient,uint256 amount) internal {
require(address(this).balance >= amount,"Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls,avoid-call-value
(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 functionCall(target,data,"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,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,uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target,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,uint256 value,string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value,"Address: insufficient balance for call");
return _functionCallWithValue(target,errorMessage);
}
function _functionCallWithValue(address target,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);
}
}
}
}
/**
* @dev Contract module which provides a basic access control mechanism,where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default,the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`,which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
address private _prevIoUsOwner;
uint256 private _lockTime;
event OwnershipTransferred(address indexed prevIoUsOwner,address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0),msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(),"Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner,address(0));
_owner = address(0);
}
/**
* @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");
emit OwnershipTransferred(_owner,newOwner);
_owner = newOwner;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_prevIoUsOwner = _owner;
_owner = address(0);
_lockTime = Now + time;
emit OwnershipTransferred(_owner,address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_prevIoUsOwner == msg.sender,"You don't have permission to unlock");
require(Now > _lockTime,"Contract is locked until 7 days");
emit OwnershipTransferred(_owner,_prevIoUsOwner);
_owner = _prevIoUsOwner;
}
}
// pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0,address indexed token1,address pair,uint);
function feeto() external view returns (address);
function feetoSetter() external view returns (address);
function getPair(address tokenA,address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA,address tokenB) external returns (address pair);
function setFeeto(address) external;
function setFeetoSetter(address) external;
}
// pragma solidity >=0.5.0;
interface IUniswapV2Pair {
event Approval(address indexed owner,uint value);
event Transfer(address indexed from,uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner,address spender) external view returns (uint);
function approve(address spender,uint value) external returns (bool);
function transfer(address to,uint value) external returns (bool);
function transferFrom(address from,address to,uint value) external returns (bool);
function DOMAIN_SEParaTOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner,address spender,uint value,uint deadline,uint8 v,bytes32 r,bytes32 s) external;
event Mint(address indexed sender,uint amount0,uint amount1);
event Burn(address indexed sender,uint amount1,address indexed to);
event Swap(
address indexed sender,uint amount0In,uint amount1In,uint amount0Out,uint amount1Out,address indexed to
);
event Sync(uint112 reserve0,uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0,uint112 reserve1,uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0,uint amount1);
function swap(uint amount0Out,bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address,address) external;
}
// pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,address tokenB,uint amountADesired,uint amountBDesired,uint amountAMin,uint amountBMin,uint deadline
) external returns (uint amountA,uint amountB,uint liquidity);
function addLiquidityETH(
address token,uint amountTokenDesired,uint amountTokenMin,uint amountETHMin,uint deadline
) external payable returns (uint amountToken,uint amountETH,uint liquidity);
function removeLiquidity(
address tokenA,uint liquidity,uint amountB);
function removeLiquidityETH(
address token,uint deadline
) external returns (uint amountToken,uint amountETH);
function removeLiquidityWithPermit(
address tokenA,bool approveMax,bytes32 s
) external returns (uint amountA,uint amountB);
function removeLiquidityETHWithPermit(
address token,bytes32 s
) external returns (uint amountToken,uint amountETH);
function swapExactTokensForTokens(
uint amountIn,uint amountOutMin,address[] calldata path,uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,uint amountInMax,uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin,uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut,uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn,uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut,uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA,uint reserveA,uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn,uint reserveIn,uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut,uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn,address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut,address[] calldata path) external view returns (uint[] memory amounts);
}
// pragma solidity >=0.6.2;
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,uint deadline
) external;
}
contract HoneyBee is Context,IERC20,Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 1000000000 * 10**6 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeetotal;
string private _name = "honey-bee.finance";
string private _symbol = "BEE";
uint8 private _decimals = 9;
uint256 public _taxFee = 2;
uint256 private _prevIoUsTaxFee = _taxFee;
uint256 public _liquidityFee = 3;
uint256 private _prevIoUsLiquidityFee = _liquidityFee;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
uint256 public _maxTxAmount = 5000000 * 10**6 * 10**9;
uint256 private numTokensSellToAddToLiquidity = 500000 * 10**6 * 10**9;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,uint256 ethReceived,uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () public {
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x05fF2B0DB69458A0750badebc4f9e13aDd608C7F);
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this),_uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
//exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0),_msgSender(),_tTotal);
}
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 _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromreflection(_rOwned[account]);
}
function transfer(address recipient,uint256 amount) public override returns (bool) {
_transfer(_msgSender(),recipient,amount);
return true;
}
function allowance(address owner,address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender,uint256 amount) public override returns (bool) {
_approve(_msgSender(),spender,amount);
return true;
}
function transferFrom(address sender,uint256 amount) public override returns (bool) {
_transfer(sender,amount);
_approve(sender,_allowances[sender][_msgSender()].sub(amount,"ERC20: transfer amount exceeds allowance"));
return true;
}
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