Contract Source Code:
File 1 of 1 : grapes
// SPDX-License-Identifier: MIT
// File: @openzeppelin/contracts/utils/Context.sol
pragma solidity ^0.8.0;
/**
* @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 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) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
pragma solidity ^0.8.0;
/**
* @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() {
_setOwner(_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 {
_setOwner(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");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
pragma solidity ^0.8.0;
/**
* @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);
}
// File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol
pragma solidity ^0.8.0;
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
// File: @openzeppelin/contracts/token/ERC20/ERC20.sol
pragma solidity ^0.8.0;
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC20
* applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overridden;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
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);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
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);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
// File: @openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol
pragma solidity ^0.8.0;
/**
* @dev Extension of {ERC20} that allows token holders to destroy both their own
* tokens and those that they have an allowance for, in a way that can be
* recognized off-chain (via event analysis).
*/
abstract contract ERC20Burnable is Context, ERC20 {
/**
* @dev Destroys `amount` tokens from the caller.
*
* See {ERC20-_burn}.
*/
function burn(uint256 amount) public virtual {
_burn(_msgSender(), amount);
}
/**
* @dev Destroys `amount` tokens from `account`, deducting from the caller's
* allowance.
*
* See {ERC20-_burn} and {ERC20-allowance}.
*
* Requirements:
*
* - the caller must have allowance for ``accounts``'s tokens of at least
* `amount`.
*/
function burnFrom(address account, uint256 amount) public virtual {
uint256 currentAllowance = allowance(account, _msgSender());
require(currentAllowance >= amount, "ERC20: burn amount exceeds allowance");
unchecked {
_approve(account, _msgSender(), currentAllowance - amount);
}
_burn(account, amount);
}
}
pragma solidity ^0.8.4;
interface DuckNFT {
function transferFrom(address _from, address _to, uint256 _tokenId) external;
}
interface DucklingNFT {
function transferFrom(address _from, address _to, uint256 _tokenId) external;
}
interface AlphaNFT {
function transferFrom(address _from, address _to, uint256 _tokenId) external;
}
contract grapes is ERC20Burnable, Ownable {
uint256 public constant MAX_SUPPLY = 200000000 * 1 ether;
uint256 public constant ALPHA_EMISSION_RATE = 17; // 17 per day
uint256 public constant DUCK_EMISSION_RATE = 10; // 10 per day
uint256 public constant DUCKLING_EMISSION_RATE = 5; // 5 per day
address public DUCK_ADDRESS = 0x36D7b711390D34e8fe26ad8f2bB14E7C8f0c56e9;
address public DUCKLING_ADDRESS = 0xeB4A28587503d84dc29DE8e4Fc8bF0A57A7Ddb0d;
address public ALPHA_ADDRESS = 0x7dC0503Cd5F4c4a11b0f4AA326E15C464632Ede9;
bool public live = false;
mapping(uint256 => uint256) internal duckTimeStaked;
mapping(uint256 => address) internal duckStaker;
mapping(address => uint256[]) internal stakerToDuck;
mapping(uint256 => uint256) internal ducklingTimeStaked;
mapping(uint256 => address) internal ducklingStaker;
mapping(address => uint256[]) internal stakerToDuckling;
mapping(uint256 => uint256) internal alphaTimeStaked;
mapping(uint256 => address) internal alphaStaker;
mapping(address => uint256[]) internal stakerToAlpha;
DuckNFT private _duckContract = DuckNFT(DUCK_ADDRESS);
DucklingNFT private _ducklingContract = DucklingNFT(DUCKLING_ADDRESS);
AlphaNFT private _alphaContract = AlphaNFT(ALPHA_ADDRESS);
constructor() ERC20("GRAPES", "GRAPES") {
_mint(msg.sender, 2100 * 1 ether);
}
modifier stakingEnabled {
require(live, "NOT_LIVE");
_;
}
function getStakedDuck(address staker) public view returns (uint256[] memory) {
return stakerToDuck[staker];
}
function getStakedAmount(address staker) public view returns (uint256) {
return stakerToDuck[staker].length + stakerToDuckling[staker].length + stakerToAlpha[staker].length;
}
function getDuckStaker(uint256 tokenId) public view returns (address) {
return duckStaker[tokenId];
}
function getStakedDuckling(address staker) public view returns (uint256[] memory) {
return stakerToDuckling[staker];
}
function getDucklingStakedAmount(address staker) public view returns (uint256) {
return stakerToDuckling[staker].length;
}
function getDucklingStaker(uint256 tokenId) public view returns (address) {
return ducklingStaker[tokenId];
}
function getStakedAlpha(address staker) public view returns (uint256[] memory) {
return stakerToAlpha[staker];
}
function getAlphaStakedAmount(address staker) public view returns (uint256) {
return stakerToAlpha[staker].length;
}
function getAlphaStaker(uint256 tokenId) public view returns (address) {
return alphaStaker[tokenId];
}
function getAllRewards(address staker) public view returns (uint256) {
uint256 totalRewards = 0;
uint256[] memory duckTokens = stakerToDuck[staker];
for (uint256 i = 0; i < duckTokens.length; i++) {
totalRewards += getReward(duckTokens[i]);
}
uint256[] memory ducklingTokens = stakerToDuckling[staker];
for (uint256 i = 0; i < ducklingTokens.length; i++) {
totalRewards += getDucklingReward(ducklingTokens[i]);
}
uint256[] memory alphaTokens = stakerToAlpha[staker];
for (uint256 i = 0; i < alphaTokens.length; i++) {
totalRewards += getAlphaReward(alphaTokens[i]);
}
return totalRewards;
}
function stakeDuckById(uint256[] calldata tokenIds) external stakingEnabled {
for (uint256 i = 0; i < tokenIds.length; i++) {
uint256 id = tokenIds[i];
_duckContract.transferFrom(msg.sender, address(this), id);
stakerToDuck[msg.sender].push(id);
duckTimeStaked[id] = block.timestamp;
duckStaker[id] = msg.sender;
}
}
function unstakeDuckByIds(uint256[] calldata tokenIds) external {
uint256 totalRewards = 0;
for (uint256 i = 0; i < tokenIds.length; i++) {
uint256 id = tokenIds[i];
require(duckStaker[id] == msg.sender, "NEEDS_TO_BE_OWNER");
_duckContract.transferFrom(address(this), msg.sender, id);
totalRewards += getReward(id);
removeTokenIdFromArray(stakerToDuck[msg.sender], id);
duckStaker[id] = address(0);
}
uint256 remaining = MAX_SUPPLY - totalSupply();
_mint(msg.sender, totalRewards > remaining ? remaining : totalRewards);
}
function stakeDucklingsById(uint256[] calldata tokenIds) external stakingEnabled {
for (uint256 i = 0; i < tokenIds.length; i++) {
uint256 id = tokenIds[i];
_ducklingContract.transferFrom(msg.sender, address(this), id);
stakerToDuckling[msg.sender].push(id);
ducklingTimeStaked[id] = block.timestamp;
ducklingStaker[id] = msg.sender;
}
}
function unstakeDucklingsByIds(uint256[] calldata tokenIds) external {
uint256 totalRewards = 0;
for (uint256 i = 0; i < tokenIds.length; i++) {
uint256 id = tokenIds[i];
require(ducklingStaker[id] == msg.sender, "NEEDS_TO_BE_OWNER");
_ducklingContract.transferFrom(address(this), msg.sender, id);
totalRewards += getDucklingReward(id);
removeTokenIdFromArray(stakerToDuckling[msg.sender], id);
ducklingStaker[id] = address(0);
}
uint256 remaining = MAX_SUPPLY - totalSupply();
_mint(msg.sender, totalRewards > remaining ? remaining : totalRewards);
}
function stakeAlphaById(uint256[] calldata tokenIds) external stakingEnabled {
for (uint256 i = 0; i < tokenIds.length; i++) {
uint256 id = tokenIds[i];
_alphaContract.transferFrom(msg.sender, address(this), id);
stakerToAlpha[msg.sender].push(id);
alphaTimeStaked[id] = block.timestamp;
alphaStaker[id] = msg.sender;
}
}
function unstakeAlphaByIds(uint256[] calldata tokenIds) external {
uint256 totalRewards = 0;
for (uint256 i = 0; i < tokenIds.length; i++) {
uint256 id = tokenIds[i];
require(alphaStaker[id] == msg.sender, "NEEDS_TO_BE_OWNER");
_alphaContract.transferFrom(address(this), msg.sender, id);
totalRewards += getAlphaReward(id);
removeTokenIdFromArray(stakerToAlpha[msg.sender], id);
alphaStaker[id] = address(0);
}
uint256 remaining = MAX_SUPPLY - totalSupply();
_mint(msg.sender, totalRewards > remaining ? remaining : totalRewards);
}
function unstakeAll() external {
require(getStakedAmount(msg.sender) > 0 || getDucklingStakedAmount(msg.sender) > 0 || getAlphaStakedAmount(msg.sender) > 0, "None Staked");
uint256 totalRewards = 0;
for (uint256 i = stakerToDuck[msg.sender].length; i > 0; i--) {
uint256 id = stakerToDuck[msg.sender][i - 1];
_duckContract.transferFrom(address(this), msg.sender, id);
totalRewards += getReward(id);
stakerToDuck[msg.sender].pop();
duckStaker[id] = address(0);
}
for (uint256 i = stakerToDuckling[msg.sender].length; i > 0; i--) {
uint256 id = stakerToDuckling[msg.sender][i - 1];
_ducklingContract.transferFrom(address(this), msg.sender, id);
totalRewards += getDucklingReward(id);
stakerToDuckling[msg.sender].pop();
ducklingStaker[id] = address(0);
}
for (uint256 i = stakerToAlpha[msg.sender].length; i > 0; i--) {
uint256 id = stakerToAlpha[msg.sender][i - 1];
_alphaContract.transferFrom(address(this), msg.sender, id);
totalRewards += getAlphaReward(id);
stakerToAlpha[msg.sender].pop();
alphaStaker[id] = address(0);
}
uint256 remaining = MAX_SUPPLY - totalSupply();
_mint(msg.sender, totalRewards > remaining ? remaining : totalRewards);
}
function claimAll() external {
uint256 totalRewards = 0;
uint256[] memory duckTokens = stakerToDuck[msg.sender];
for (uint256 i = 0; i < duckTokens.length; i++) {
uint256 id = duckTokens[i];
totalRewards += getReward(duckTokens[i]);
duckTimeStaked[id] = block.timestamp;
}
uint256[] memory ducklingTokens = stakerToDuckling[msg.sender];
for (uint256 i = 0; i < ducklingTokens.length; i++) {
uint256 id = ducklingTokens[i];
totalRewards += getDucklingReward(ducklingTokens[i]);
ducklingTimeStaked[id] = block.timestamp;
}
uint256[] memory alphaTokens = stakerToAlpha[msg.sender];
for (uint256 i = 0; i < alphaTokens.length; i++) {
uint256 id = alphaTokens[i];
totalRewards += getAlphaReward(alphaTokens[i]);
alphaTimeStaked[id] = block.timestamp;
}
uint256 remaining = MAX_SUPPLY - totalSupply();
_mint(msg.sender, totalRewards > remaining ? remaining : totalRewards);
}
function Grapedrop(address[] calldata _to, uint256[] calldata _amount)
external
onlyOwner
{
for (uint256 i; i < _to.length; ) {
require(
totalSupply() + _amount[i] - 1 <= MAX_SUPPLY,
"Not enough supply"
);
_mint(_to[i], _amount[i]);
unchecked {
i++;
}
}
}
function burn(address from, uint256 amount) external {
_burn(from, amount);
}
function setAlphaAddress(address ALPHA_ADDRESS_) public onlyOwner {
ALPHA_ADDRESS = ALPHA_ADDRESS_;
}
function toggle() external onlyOwner {
live = !live;
}
function getReward(uint256 tokenId) internal view returns(uint256) {
return (block.timestamp - duckTimeStaked[tokenId]) * DUCK_EMISSION_RATE / 86400 * 1 ether;
}
function getDucklingReward(uint256 tokenId) internal view returns(uint256) {
return (block.timestamp - ducklingTimeStaked[tokenId]) * DUCKLING_EMISSION_RATE / 86400 * 1 ether;
}
function getAlphaReward(uint256 tokenId) internal view returns(uint256) {
return (block.timestamp - alphaTimeStaked[tokenId]) * ALPHA_EMISSION_RATE / 86400 * 1 ether;
}
function removeTokenIdFromArray(uint256[] storage array, uint256 tokenId) internal {
uint256 length = array.length;
for (uint256 i = 0; i < length; i++) {
if (array[i] == tokenId) {
length--;
if (i < length) {
array[i] = array[length];
}
array.pop();
break;
}
}
}
}