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Created December 20, 2021 16:52
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new.sol
/**
*Submitted for verification at polygonscan.com on 2021-12-20
*/
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
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, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, 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 (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
/**
* @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) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
/**
* @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) {
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, reverting 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) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting 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) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* 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);
return a - b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* 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, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* 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, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
/**
* @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) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @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, data, 0, 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, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, 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, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
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);
}
}
}
}
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using SafeMath for uint256;
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
// solhint-disable-next-line max-line-length
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
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 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.
*/
abstract contract Ownable is Context {
address private _owner;
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 virtual 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;
}
}
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor () internal {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and make it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
/// @title TierIDOPool
/// @notice IDO contract useful for launching NewIDO
//solhint-disable-next-line max-states-count
contract TierIDOPool is Ownable, ReentrancyGuard {
using SafeMath for uint256;
using SafeERC20 for IERC20;
/**
* @dev Struct to store information of each Sale
* @param investor Address of user/investor
* @param amount Amount of tokens to be purchased
* @param tokensWithdrawn Tokens Withdrawal status
*/
struct Sale {
address investor;
uint256 amount;
bool tokensWithdrawn;
}
/**
* @dev Struct to store information of each Investor
* @param investor Address of user/investor
* @param amount Amount of tokens purchased
*/
struct Investor {
address investor;
uint256 amount;
}
// Platform token
IERC20 public platformToken;
// Token for sale
IERC20 public token;
// Token used to buy
IERC20 public currency;
// List investors
Investor[] private investorInfo;
// Info of each investor that buy tokens.
mapping(address => Sale) public sales;
// Round 1 start time
uint256 public round1Start;
// Round 1 end time
uint256 public round1End;
// Round 2 start time
uint256 public round2Start;
// Round 1 end time
uint256 public round2End;
// Price of each token
uint256 public price;
// Amount of tokens remaining
uint256 public availableTokens;
// Total amount of tokens to be sold
uint256 public totalAmount;
// Total amount sold
uint256 public totalAmountSold;
// Whitelist addresses
mapping(address => bool) public poolWhiteList;
address[] private listWhitelists;
// Tier to which white list address belongs
mapping(address => uint8) public addressBelongsToTier;
// Number of investors
uint256 public numberParticipants;
// Tiers allocations
mapping(uint8 => uint256) public tierAllocations;
// Amount of tokens remaining w.r.t Tier
mapping(uint8 => uint256) public tokensAvailableInTier;
mapping(uint8 => uint256) public tierMaxAmountThatCanBeInvested;
event Buy(address indexed _user, uint256 _amount, uint256 _tokenAmount);
event Claim(address indexed _user, uint256 _amount);
event Withdraw(address indexed _user, uint256 _amount);
event EmergencyWithdraw(address indexed _user, uint256 _amount);
event Burn(address indexed _burnAddress, uint256 _amount);
modifier publicSaleActive() {
require(
(block.timestamp >= round1Start && block.timestamp <= round1End) ||
(block.timestamp >= round2Start && block.timestamp <= round2End),
"Public sale is not yet activated"
);
_;
}
modifier publicSaleEnded() {
require((block.timestamp >= round2End || availableTokens == 0), "Public sale not yet ended");
_;
}
/**
* @dev Initialzes the TierIDO Pool contract
* @param _token The ERC20 token contract address
* @param _currency The curreny used for the IDO
* @param _round1Start Timestamp of when round1 starts
* @param _round1End Timestamp of when round1 ends
* @param _round2Start Timestamp of when round2 starts
* @param _round2End Timestamp of when round2 ends
* @param _price Price of the token for the IDO
* @param _totalAmount The total amount for the IDO
* @param _maxAmountThatCanBeInvestedInTier1 Max investment amount in tier1
* @param _maxAmountThatCanBeInvestedInTier2 Max investment amount in tier2
* @param _maxAmountThatCanBeInvestedInTier3 Max investment amount in tier3
* @param _maxAmountThatCanBeInvestedInTier4 Max investment amount in tier4
*/
//solhint-disable-next-line function-max-lines
constructor(
address _token,
address _currency,
uint256 _round1Start,
uint256 _round1End,
uint256 _round2Start,
uint256 _round2End,
uint256 _price,
uint256 _totalAmount,
uint256 _maxAmountThatCanBeInvestedInTier1,
uint256 _maxAmountThatCanBeInvestedInTier2,
uint256 _maxAmountThatCanBeInvestedInTier3,
uint256 _maxAmountThatCanBeInvestedInTier4
) public {
require(_token != address(0), "Token address cannot be address zero");
require(_currency != address(0), "Currency address cannot be address zero");
require(_round1Start < _round1End, "Round1 start time > Round1 end time");
require(_round1End <= _round2Start, "Round1 end time > Round2 start time");
require(_round2Start < _round2End, "Round1 start time > Round2 end time");
require(_totalAmount > 0, "Total amount must be > 0");
token = IERC20(_token);
currency = IERC20(_currency);
round1Start = _round1Start;
round1End = _round1End;
round2Start = _round2Start;
round2End = _round2End;
price = _price;
totalAmount = _totalAmount;
availableTokens = _totalAmount;
tierMaxAmountThatCanBeInvested[1] = _maxAmountThatCanBeInvestedInTier1;
tierMaxAmountThatCanBeInvested[2] = _maxAmountThatCanBeInvestedInTier2;
tierMaxAmountThatCanBeInvested[3] = _maxAmountThatCanBeInvestedInTier3;
tierMaxAmountThatCanBeInvested[4] = _maxAmountThatCanBeInvestedInTier4;
}
/**
* @dev To buy tokens
*
* @param amount The amount of tokens to buy
*
* Requirements:
* - can be invoked only when the public sale is active
* - this call is non reentrant
*/
function buy(uint256 amount) external publicSaleActive nonReentrant {
require(availableTokens > 0, "All tokens were purchased");
require(amount > 0, "Amount must be > 0");
uint8 tier = getAddressTier(msg.sender);
require(tier > 0, "You are not whitelisted");
uint256 remainingAllocation = tokensAvailableInTier[tier];
if (block.timestamp >= round2Start) {
remainingAllocation = availableTokens;
}
require(amount <= remainingAllocation && amount <= availableTokens, "Not enough tokens to buy");
Sale storage sale = sales[msg.sender];
// If round 1 is running then we check maxInvest amount as per tier
if (block.timestamp <= round1End) {
uint256 maxPurchase = tierMaxAmountThatCanBeInvested[tier];
require(amount <= maxPurchase.sub(sale.amount), "Buy exceeds amount");
tokensAvailableInTier[tier] = tokensAvailableInTier[tier].sub(amount);
}
uint256 currencyAmount = amount.mul(price).div(1e18);
require(currency.balanceOf(msg.sender) >= currencyAmount, "Insufficient currency balance of caller");
availableTokens = availableTokens.sub(amount);
currency.safeTransferFrom(msg.sender, address(this), currencyAmount);
if (sale.amount == 0) {
sales[msg.sender] = Sale(msg.sender, amount, false);
numberParticipants += 1;
} else {
sales[msg.sender] = Sale(msg.sender, amount.add(sale.amount), false);
}
totalAmountSold = totalAmountSold.add(amount);
investorInfo.push(Investor(msg.sender, amount));
emit Buy(msg.sender, currencyAmount, amount);
}
/**
* @dev To withdraw tokens after the sale ends and burns the remaining tokens
*
* Requirements:
* - invocation can be done, only by the contract owner.
* - the public sale must have ended
* - this call is non reentrant
*/
function withdraw() external onlyOwner publicSaleEnded nonReentrant {
if (availableTokens > 0) {
availableTokens = 0;
}
transferCurrencyToken();
}
/**
* @dev To withdraw in case of any possible hack/vulnerability
*
* Requirements:
* - invocation can be done, only by the contract owner.
* - this call is non reentrant
*/
function emergencyWithdraw() external onlyOwner nonReentrant {
if (availableTokens > 0) {
availableTokens = 0;
}
transferCurrencyToken();
}
/**
* @dev To set the platform token address
*
* Requirements:
* - invocation can be done, only by the contract owner.
*/
function setPlatformTokenAddress(address _platformToken) external onlyOwner returns (bool) {
platformToken = IERC20(_platformToken);
return true;
}
/**
* @dev To get investor of the IDO
* Returns array of investor addresses, their invested funds, nextOffset and total
*/
function getInvestors(uint offset, uint limit) external view returns
(address[] memory, uint256[] memory, uint nextOffset, uint total) {
if(limit == 0) {
limit = 1;
}
if (limit > numberParticipants- offset) {
limit = numberParticipants - offset;
}
address[] memory addrs = new address[](limit);
uint256[] memory funds = new uint256[](limit);
for (uint256 i = 0; i < limit; i++) {
Investor storage investor = investorInfo[offset + i];
addrs[i] = investor.investor;
funds[i] = investor.amount;
}
return (addrs, funds, offset + limit, numberParticipants);
}
/**
* @dev To add users and tiers to the contract storage
* @param _users An array of addresses
*/
function addToPoolWhiteList(address[] memory _users, uint8 _tier) external onlyOwner returns (bool) {
for (uint256 i = 0; i < _users.length; i++) {
if (!poolWhiteList[_users[i]]) {
poolWhiteList[_users[i]] = true;
addressBelongsToTier[_users[i]] = _tier;
listWhitelists.push(address(_users[i]));
}
}
return true;
}
/**
* @dev To add users and tiers to the contract storage
* @param _tiersAllocation An array of tiers
*/
function setTierInfo(uint256[] memory _tiersAllocation) external onlyOwner returns (bool) {
for (uint8 i = 0; i < _tiersAllocation.length; i++) {
//require(_tiersAllocation[i] > 0, "Tier allocation amount must be > 0");
// Since we have named Tier1, Tier2, Tier3 & Tier4
tierAllocations[i + 1] = _tiersAllocation[i];
tokensAvailableInTier[i + 1] = _tiersAllocation[i];
}
return true;
}
/**
* @dev To get the whitelisted addresses
*/
function getPoolWhiteLists() external view onlyOwner returns (address[] memory) {
return listWhitelists;
}
/**
* @dev To get sale amount of the IDO
* Returns array of investor addresses and their invested funds
*/
function getSale(address account) external view returns (uint256 amount) {
return (sales[account].amount);
}
/**
* @dev To get sale amount of the IDO
* Returns array of investor addresses and their invested funds
*/
function getTotalAmountSold() external view returns (uint256 amount) {
return (totalAmountSold);
}
/**
* @dev To get sale amount of the IDO
* Returns array of investor addresses and their invested funds
*/
function getTotalAmount() external view returns (uint256 amount) {
return (totalAmount);
}
/**
* @dev To get user tier
*/
function getAddressTier(address _user) public view returns (uint8) {
return addressBelongsToTier[_user];
}
/**
* @dev To transfer Currency token
*/
function transferCurrencyToken() internal {
uint256 currencyBalance = currency.balanceOf(address(this));
currency.safeTransfer(msg.sender, currencyBalance);
emit Withdraw(msg.sender, currencyBalance);
}
}
/**
* @dev Library for managing
* https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
* types.
*
* Sets have the following properties:
*
* - Elements are added, removed, and checked for existence in constant time
* (O(1)).
* - Elements are enumerated in O(n). No guarantees are made on the ordering.
*
* ```
* contract Example {
* // Add the library methods
* using EnumerableSet for EnumerableSet.AddressSet;
*
* // Declare a set state variable
* EnumerableSet.AddressSet private mySet;
* }
* ```
*
* As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
* and `uint256` (`UintSet`) are supported.
*/
library EnumerableSet {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Set type with
// bytes32 values.
// The Set implementation uses private functions, and user-facing
// implementations (such as AddressSet) are just wrappers around the
// underlying Set.
// This means that we can only create new EnumerableSets for types that fit
// in bytes32.
struct Set {
// Storage of set values
bytes32[] _values;
// Position of the value in the `values` array, plus 1 because index 0
// means a value is not in the set.
mapping (bytes32 => uint256) _indexes;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
// The value is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
set._indexes[value] = set._values.length;
return true;
} else {
return false;
}
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function _remove(Set storage set, bytes32 value) private returns (bool) {
// We read and store the value's index to prevent multiple reads from the same storage slot
uint256 valueIndex = set._indexes[value];
if (valueIndex != 0) { // Equivalent to contains(set, value)
// To delete an element from the _values array in O(1), we swap the element to delete with the last one in
// the array, and then remove the last element (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 toDeleteIndex = valueIndex - 1;
uint256 lastIndex = set._values.length - 1;
// When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
// so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.
bytes32 lastvalue = set._values[lastIndex];
// Move the last value to the index where the value to delete is
set._values[toDeleteIndex] = lastvalue;
// Update the index for the moved value
set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based
// Delete the slot where the moved value was stored
set._values.pop();
// Delete the index for the deleted slot
delete set._indexes[value];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._indexes[value] != 0;
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Set storage set, uint256 index) private view returns (bytes32) {
require(set._values.length > index, "EnumerableSet: index out of bounds");
return set._values[index];
}
// Bytes32Set
struct Bytes32Set {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
// AddressSet
struct AddressSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
// UintSet
struct UintSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
}
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it.
*/
abstract contract AccessControl is Context {
using EnumerableSet for EnumerableSet.AddressSet;
using Address for address;
struct RoleData {
EnumerableSet.AddressSet members;
bytes32 adminRole;
}
mapping (bytes32 => RoleData) private _roles;
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*
* _Available since v3.1._
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call, an admin role
* bearer except when using {_setupRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Emitted when `account` is revoked `role`.
*
* `sender` is the account that originated the contract call:
* - if using `revokeRole`, it is the admin role bearer
* - if using `renounceRole`, it is the role bearer (i.e. `account`)
*/
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view returns (bool) {
return _roles[role].members.contains(account);
}
/**
* @dev Returns the number of accounts that have `role`. Can be used
* together with {getRoleMember} to enumerate all bearers of a role.
*/
function getRoleMemberCount(bytes32 role) public view returns (uint256) {
return _roles[role].members.length();
}
/**
* @dev Returns one of the accounts that have `role`. `index` must be a
* value between 0 and {getRoleMemberCount}, non-inclusive.
*
* Role bearers are not sorted in any particular way, and their ordering may
* change at any point.
*
* WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
* you perform all queries on the same block. See the following
* https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
* for more information.
*/
function getRoleMember(bytes32 role, uint256 index) public view returns (address) {
return _roles[role].members.at(index);
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view returns (bytes32) {
return _roles[role].adminRole;
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) public virtual {
require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to grant");
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) public virtual {
require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to revoke");
_revokeRole(role, account);
}
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*/
function renounceRole(bytes32 role, address account) public virtual {
require(account == _msgSender(), "AccessControl: can only renounce roles for self");
_revokeRole(role, account);
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event. Note that unlike {grantRole}, this function doesn't perform any
* checks on the calling account.
*
* [WARNING]
* ====
* This function should only be called from the constructor when setting
* up the initial roles for the system.
*
* Using this function in any other way is effectively circumventing the admin
* system imposed by {AccessControl}.
* ====
*/
function _setupRole(bytes32 role, address account) internal virtual {
_grantRole(role, account);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
emit RoleAdminChanged(role, _roles[role].adminRole, adminRole);
_roles[role].adminRole = adminRole;
}
function _grantRole(bytes32 role, address account) private {
if (_roles[role].members.add(account)) {
emit RoleGranted(role, account, _msgSender());
}
}
function _revokeRole(bytes32 role, address account) private {
if (_roles[role].members.remove(account)) {
emit RoleRevoked(role, account, _msgSender());
}
}
}
/// @title AsvaInvestmentsInfo
/// @notice AsvaInvestmentsInfo gives infromation regarding IDO contract which is launch by ASVAFACTORY contract.
/// Ref: https://testnet.bscscan.com/address/0x3109bf9e73f50209Cf92D2459B5Da0E38D8890C1#code
contract AsvaInvestmentsInfo is AccessControl {
address[] private presaleAddresses;
address[] private claimAddresses;
mapping(address => bool) public alreadyAdded;
mapping(uint256 => address) public presaleAddressByProjectID;
mapping(uint256 => address) public claimddressByProjectID;
mapping(address => bool) public alreadyClaimAdded;
/// @dev Add admin roke to msg,sender
constructor () public {
_setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
}
// @dev Restricted to user role.
modifier onlyAdminUser() {
require(isAdmin(msg.sender), "Restricted to admin.");
_;
}
/// @dev Return `true` if the `account` belongs to the community.
function isAdmin(address account)
public virtual view returns (bool)
{
return hasRole(DEFAULT_ADMIN_ROLE, account);
}
/**
* @dev To add presale address
*
* Requirements:
* - presale address cannot be address zero.
* - presale should not be already added
*/
function addPresaleAddress(address _presale, uint256 _presaleProjectID) external onlyAdminUser returns (uint256) {
require(_presale != address(0), "Address cannot be a zero address");
require(!alreadyAdded[_presale], "Address already added");
presaleAddresses.push(_presale);
alreadyAdded[_presale] = true;
presaleAddressByProjectID[_presaleProjectID] = _presale;
return presaleAddresses.length - 1;
}
/**
* @dev To add presale address
*
* Requirements:
* - presale address cannot be address zero.
* - presale should not be already added
*/
function addClaimAddress(address _claim, uint256 _presaleProjectID) external onlyAdminUser returns (uint256) {
require(_claim != address(0), "Address cannot be a zero address");
require(!alreadyClaimAdded[_claim], "Address already added");
claimAddresses.push(_claim);
alreadyClaimAdded[_claim] = true;
claimddressByProjectID[_presaleProjectID] = _claim;
return claimAddresses.length - 1;
}
/**
* @dev To return presale counts
*/
function getPresalesCount() external view returns (uint256) {
return presaleAddresses.length;
}
/**
* @dev To get presale contract address by DB id
*/
function getPresaleAddressByDbId(uint256 asvaDbId) external view returns (address) {
return presaleAddressByProjectID[asvaDbId];
}
/**
* @dev To get presale contract address by asvaId
*
* Requirements:
* - asvaId must be a valid id
*/
function getPresaleAddress(uint256 asvaId) external view returns (address) {
require(validAsvaId(asvaId), "Not a valid Id");
return presaleAddresses[asvaId];
}
/**
* @dev To get claim added bool
* Requirements:
* - asvaId must be a valid id
*/
function getIDOAddress(address idoContract) external view returns (bool) {
return alreadyAdded[idoContract];
}
/**
* @dev To get Claim contract address by asvaId
*
* Requirements:
* - asvaId must be a valid id
*/
function getClaimAddressByProjectID(uint256 claimId) external view returns (address) {
return claimddressByProjectID[claimId];
}
/**
* @dev To get valid asva Id's
*/
function validAsvaId(uint256 asvaId) public view returns (bool) {
if (asvaId >= 0 && asvaId <= presaleAddresses.length - 1) return true;
}
/**
* @dev To get valid claimId Id's
*/
function validClaimId(uint256 claimId) public view returns (bool) {
if (claimId >= 0 && claimId <= claimAddresses.length - 1) return true;
}
}
library Structs {
/**
* @dev Struct to store information of each Sale
* @param investor Address of user/investor
* @param amount Amount of tokens to be purchased
* @param tokensWithdrawn Tokens Withdrawal status
*/
struct Sale {
address investor;
uint256 amount;
bool tokensWithdrawn;
}
}
interface ITierIDOPool {
function getSale(address account) external view returns (uint256 amount);
function getTotalAmountSold() external view returns (uint256 amount);
function getTotalAmount() external view returns (uint256 amount);
function getPoolWhiteLists() external view returns (address[] memory);
function getAddressTier(address _user) external view returns (uint8);
function getInvestors(uint offset, uint limit) external view returns (address[] memory) ;
function buy(uint256 amount) external;
function withdraw() external;
function emergencyWithdraw() external;
}
contract Claimer is Ownable, ReentrancyGuard {
using SafeERC20 for IERC20;
using SafeMath for uint256;
struct Claim {
uint unlockTime; // unix time
uint percent; // three decimals: 1.783% = 1783
}
Claim[] public claims;
uint256 public id;
bool public isPaused = false;
uint public totalTokens;
uint public claimedTokens;
mapping(address => uint) public total;
mapping(address => uint) public claimed;
mapping(address => mapping(uint => uint)) public isClaimed;
IERC20 public token;
ITierIDOPool public idoPool;
event Claimed(address indexed account, uint amount, uint percent, uint claimIdx);
event ClaimReleased(uint percent, uint newTime, uint claimIdx);
event ClaimDelayed(uint percent, uint newTime, uint claimIdx);
event ClaimingPaused(bool status);
constructor(uint256 _id, address _idoPool,address _token,uint[] memory times, uint[] memory percents) public {
require(_token != address(0), "Token address cannot be address zero");
require(_idoPool != address(0), "IDO address cannot be address zero");
token = IERC20(_token);
id = _id;
idoPool=ITierIDOPool(_idoPool);
totalTokens= idoPool.getTotalAmount();
uint totalPercent;
for (uint i = 0; i < times.length; i++) {
require(percents[i] > 0, 'Claimer: 0% is not allowed');
require(times[i] > 0, 'Claimer: time must specified');
claims.push(Claim(times[i], percents[i]));
totalPercent += percents[i];
}
require(totalPercent == 100000, 'Claimer: Sum of all claimed must be 100%');
}
function getAccountAmount(address account) external view returns (uint256) {
uint256 amount=idoPool.getSale(account);
return amount;
}
function getClaimableAccountAmount(address account) external view returns (uint256) {
uint256 totalClaimable;
for (uint i = 0; i < claims.length; i++) {
if (isClaimable(i)) {
totalClaimable += getClaimAmount(i, account);
}
}
return totalClaimable - claimed[account];
}
function getRemainingAccountAmount(address account) external view returns (uint) {
return idoPool.getSale(account) - claimed[account];
}
function getTotalRemainingAmount() external view returns (uint) {
return totalTokens - claimedTokens;
}
function getClaims(address account) external view returns (uint[] memory, uint[] memory, uint[] memory, bool[] memory, uint[] memory) {
uint len = claims.length;
uint[] memory times = new uint[](len);
uint[] memory percents = new uint[](len);
uint[] memory amount = new uint[](len);
bool[] memory _isClaimable = new bool[](len);
uint[] memory claimedAmount = new uint[](len);
for (uint i = 0; i < len; i++) {
times[i] = claims[i].unlockTime;
percents[i] = claims[i].percent;
amount[i] = getClaimAmount(i, account);
_isClaimable[i] = block.timestamp > claims[i].unlockTime;
claimedAmount[i] = isClaimed[account][i];
}
return (times, percents, amount, _isClaimable, claimedAmount);
}
function claim(address account, uint idx) external nonReentrant {
require(idx < claims.length, "Claimer: Out of bounds index");
require(isClaimed[account][idx] == 0, "Claimer: Already claimed");
require(isClaimable(idx), "Claimer: Not claimable");
uint256 claimAllocation=idoPool.getSale(account);
require(claimAllocation > 0, "Claimer: Account doesn't have allocation");
require(!isPaused, "Claimer: Claiming paused");
uint claimAmount = getClaimAmount(idx, account);
require(claimAmount > 0, "Claimer: Amount is zero");
claimedTokens += claimAmount;
claimed[account] += claimAmount;
isClaimed[account][idx] = claimAmount;
token.safeTransfer(account, claimAmount);
emit Claimed(account, claimAmount, claims[idx].percent, idx);
}
function releaseClaim(uint claimIdx) external onlyOwner {
require(claimIdx < claims.length, "Claimer: Out of bounds index");
Claim storage _claim = claims[claimIdx];
require(_claim.unlockTime > block.timestamp, 'Claimer: Claim already released');
_claim.unlockTime = block.timestamp;
emit ClaimReleased(_claim.percent, _claim.unlockTime, claimIdx);
}
function delayClaim(uint claimIdx, uint newUnlockTime) external onlyOwner {
require(claimIdx < claims.length, "Claimer: Out of bounds index");
Claim storage _claim = claims[claimIdx];
require(newUnlockTime > block.timestamp, 'Claimer: Time must be in future');
require(newUnlockTime > _claim.unlockTime, 'Claimer: Time must be after the current claim time');
_claim.unlockTime = newUnlockTime;
emit ClaimDelayed(_claim.percent, _claim.unlockTime, claimIdx);
}
function isClaimable(uint claimIdx) internal view returns (bool) {
return claims[claimIdx].unlockTime < block.timestamp;
}
function getClaimAmount(uint claimIdx, address account) internal view returns (uint) {
uint256 claimAmount = idoPool.getSale(account);
if (claimAmount == 0) {
return 0;
}
return claimAmount * claims[claimIdx].percent / 100000;
}
function pauseClaiming(bool status) external onlyOwner {
isPaused = status;
emit ClaimingPaused(status);
}
function batchMarkClaimed(address[] calldata addresses, uint[] calldata claimedIdx) external onlyOwner {
for (uint i = 0; i < claimedIdx.length; i++) {
uint idx = claimedIdx[i];
for (uint j = 0; j < addresses.length; j++) {
address account = addresses[j];
uint256 claimAmount = getClaimAmount(idx, account);
claimedTokens += claimAmount;
claimed[account] += claimAmount;
isClaimed[account][idx] = claimAmount;
emit Claimed(account, claimAmount, claims[idx].percent, idx);
}
}
}
function withdrawAll() external onlyOwner nonReentrant {
uint256 balance = address(this).balance;
if (balance > 0) {
payable(owner()).transfer(balance);
}
token.transfer(owner(), token.balanceOf(address(this)));
}
function withdrawToken(address _token, uint256 amount) external onlyOwner nonReentrant{
IERC20(_token).transfer(owner(), amount);
}
function setToken(address _token) external onlyOwner {
require(claims[0].unlockTime > block.timestamp, 'Cannot change token after first claim unlocked');
token = IERC20(_token);
}
}
/// @title AsavaPoolFactory
/// @notice Factory contract to create PreSale
/// Useful for launching new NewIDO
contract AsavaPoolFactory is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
/**
* @dev Struct to store the IDO Pool Information
* @param contractAddr The contract address
* @param currency The curreny used for the IDO
* @param token The ERC20 token contract address
*/
struct IDOPoolInfo {
address contractAddr;
address currency;
address token;
}
/**
* @dev Struct to store IDO Information
* @param _token The ERC20 token contract address
* @param _currency The curreny used for the IDO
* @param _round1Start Timestamp of when round1 starts
* @param _round1End Timestamp of when round1 ends
* @param _round2Start Timestamp of when round2 starts
* @param _round2End Timestamp of when round2 ends
* @param _price Price of the token for the IDO
* @param _totalAmount The total amount for the IDO
* @param _maxAmountThatCanBeInvestedInTier1 Max investment amount in tier1
* @param _maxAmountThatCanBeInvestedInTier2 Max investment amount in tier2
* @param _maxAmountThatCanBeInvestedInTier3 Max investment amount in tier3
* @param _maxAmountThatCanBeInvestedInTier4 Max investment amount in tier4
* @param _presaleProjectID The PreSale project ID
* @param _whitelistedAddressesTier1 An array of whitelist addresses for tier1
* @param _whitelistedAddressesTier2 An array of whitelist addresses for tier2
* @param _whitelistedAddressesTier3 An array of whitelist addresses for tier3
* @param _whitelistedAddressesTier4 An array of whitelist addresses for tier4
* @param _tiersAllocation An array of amounts as per tiers
*/
struct IDOInfo {
address _token;
address _currency;
uint256 _round1Start;
uint256 _round1End;
uint256 _round2Start;
uint256 _round2End;
uint256 _price;
uint256 _totalAmount;
uint256 _maxAmountThatCanBeInvestedInTier1;
uint256 _maxAmountThatCanBeInvestedInTier2;
uint256 _maxAmountThatCanBeInvestedInTier3;
uint256 _maxAmountThatCanBeInvestedInTier4;
uint256 _presaleProjectID;
uint256[] _tiersAllocation;
}
uint256 public nextPoolId;
IDOPoolInfo[] public poolList;
//solhint-disable-next-line var-name-mixedcase
AsvaInvestmentsInfo public immutable AsvaInfo;
IERC20 public platformToken; // Platform token
event PoolCreated(
uint256 indexed asvaId,
uint256 presaleDbID,
address indexed _token,
address indexed _currency,
address pool,
address creator
);
event ClaimerCreated(uint256 _id, address _token, address,address owner);
/**
* @dev Sets the values for {_asvaInfoAddress, _platformToken}
*
* All two of these values are immutable: they can only be set once during construction.
*/
constructor(address _asvaInfoAddress, address _platformToken) public {
AsvaInfo = AsvaInvestmentsInfo(_asvaInfoAddress);
platformToken = IERC20(_platformToken);
}
/**
* @dev To create a pool
*
* Requirements:
* - poolinfo token & currency cannot be the same
* - poolinfo token cannot be address zero
* - poolinfo currency cannot be address zero
*/
//solhint-disable-next-line function-max-lines
function createPoolPublic(IDOInfo calldata poolInfo) external onlyOwner {
require(poolInfo._token != poolInfo._currency, "Currency and Token can not be the same");
require(poolInfo._token != address(0), "PoolInfo token cannot be address zero");
require(poolInfo._currency != address(0), "PoolInfo currency cannot be address zero");
uint256 sumOfAmtOfAllTiers = 0;
for (uint256 i = 0; i < poolInfo._tiersAllocation.length; i++) {
sumOfAmtOfAllTiers = sumOfAmtOfAllTiers.add(poolInfo._tiersAllocation[i]);
}
require(
poolInfo._totalAmount == sumOfAmtOfAllTiers,
"PoolInfo totalAmount & sumOfAmtOfAllTiers must be the same"
);
IERC20 tokenIDO = IERC20(poolInfo._token);
TierIDOPool _idoPool = new TierIDOPool(
poolInfo._token,
poolInfo._currency,
poolInfo._round1Start,
poolInfo._round1End,
poolInfo._round2Start,
poolInfo._round2End,
poolInfo._price,
poolInfo._totalAmount,
poolInfo._maxAmountThatCanBeInvestedInTier1,
poolInfo._maxAmountThatCanBeInvestedInTier2,
poolInfo._maxAmountThatCanBeInvestedInTier3,
poolInfo._maxAmountThatCanBeInvestedInTier4
);
poolList.push(IDOPoolInfo(address(_idoPool), poolInfo._currency, poolInfo._token));
// uint256 asvaId = AsvaInfo.addPresaleAddress(address(_idoPool), poolInfo._presaleProjectID);
uint256 asvaId = 8;
_idoPool.setPlatformTokenAddress(address(platformToken));
setIDOTierInfo(_idoPool, poolInfo._tiersAllocation);
_idoPool.transferOwnership(owner());
emit PoolCreated(
asvaId,
poolInfo._presaleProjectID,
poolInfo._token,
poolInfo._currency,
address(_idoPool),
msg.sender
);
}
/**
* @dev To set tier information in IDO contract
* @param _pool The TierIDOPool contract object
* @param _tiersAllocation An array of tiers allocation
*/
function setIDOTierInfo(TierIDOPool _pool, uint256[] calldata _tiersAllocation) internal {
_pool.setTierInfo(_tiersAllocation);
}
}
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