// SPDX-License-Identifier: MIT
/*
______ _ ____ _ _
| ____| | | | _ \(_) | |
| |__ __ _ _ __| |_ _ | |_) |_ _ __ __| |___
| __| / _` | '__| | | | | | _ <| | '__/ _` / __|
| |___| (_| | | | | |_| | | |_) | | | | (_| \__ \
|______\__,_|_| |_|\__, | |____/|_|_| \__,_|___/
__/ |
|___/
By Devko.dev#7286
*/
// File: @openzeppelin/contracts/utils/math/SafeMath.sol
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/SafeMath.sol)
pragma solidity ^0.8.0;
// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.
/**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/
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) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the subtraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
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) {
unchecked {
// 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) {
unchecked {
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) {
unchecked {
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) {
return a + b;
}
/**
* @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 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) {
return a * b;
}
/**
* @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.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
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) {
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) {
unchecked {
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.
*
* 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) {
unchecked {
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) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.1 (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
// OpenZeppelin Contracts (last updated v4.9.0) (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() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(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");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: contract.sol
pragma solidity ^0.8.18;
interface IEB {
function transferFrom(address from, address to, uint256 tokenId) external;
function ownerOf(uint256 tokenId) external view returns (address owner);
function balanceOf(address owner) external view returns (uint256 balance);
}
interface ISC {
struct token {
uint256 stakeDate;
address stakerAddress;
uint256 tierId;
uint256 collected;
uint256 boost;
}
function tokensDetails(
uint256[] memory tokens
) external view returns (token[] memory);
}
contract EarlyBirds_Staking is Ownable {
using SafeMath for uint256;
IEB public EB_Contract = IEB(0x3D84cbDC126B1d9DCA50bfFe0c7bb1940A4D029D);
ISC public oldSC = ISC(0x8e9A7F848eaf0deE5d89ba9d22f6eED56f778e53);
struct token {
uint256 stakeDate;
address stakerAddress;
uint256 tierId;
uint256 collected;
uint256 boost;
}
mapping(uint256 => token) public stakedTokens;
mapping(uint256 => uint256) public tiersRate;
mapping(uint256 => uint256) public tiersDays;
bool private allowEditing = true;
bool private allowTransfers = true;
constructor() {}
modifier editingAllowed() {
require((allowEditing), "EDITING_NOT_ALLOWED");
_;
}
modifier transfersAllowed() {
require((allowTransfers), "TRANSFERS_NOT_ALLOWED");
_;
}
modifier notContract() {
require(
(!_isContract(msg.sender)) && (msg.sender == tx.origin),
"Contracts not allowed"
);
_;
}
function _isContract(address addr) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(addr)
}
return size > 0;
}
// THIS CAN BE DISABLED
function transferOwnershipOfTokens(
uint256[] memory tokenIds,
address newOwner
) external notContract transfersAllowed {
for (uint256 index = 0; index < tokenIds.length; index++) {
if (stakedTokens[tokenIds[index]].stakerAddress == msg.sender) {
stakedTokens[tokenIds[index]].stakerAddress = newOwner;
}
}
}
function toggleTransfers() external onlyOwner {
allowTransfers = !allowTransfers;
}
function disableEditing() external onlyOwner {
allowEditing = false;
}
// THIS CAN BE DISABLED
function changeStakersAddresses(
uint256[] memory tokenIds,
address[] memory newStakers
) external onlyOwner editingAllowed {
for (uint256 index = 0; index < tokenIds.length; index++) {
stakedTokens[tokenIds[index]].stakerAddress = newStakers[index];
}
}
// THIS CAN BE DISABLED
function changeStakingDetails(
token[] memory tokensAdded,
uint256[] memory tokenIds
) external onlyOwner editingAllowed {
for (uint256 index = 0; index < tokenIds.length; index++) {
stakedTokens[tokenIds[index]].stakeDate = tokensAdded[index]
.stakeDate;
stakedTokens[tokenIds[index]].stakerAddress = tokensAdded[index]
.stakerAddress;
stakedTokens[tokenIds[index]].tierId = tokensAdded[index].tierId;
stakedTokens[tokenIds[index]].collected = tokensAdded[index]
.collected;
stakedTokens[tokenIds[index]].boost = tokensAdded[index].boost;
}
}
// THIS CAN BE DISABLED
function changeMainContract(
address newContract
) external onlyOwner editingAllowed {
EB_Contract = IEB(newContract);
}
// THIS CAN BE DISABLED
function clone(
uint256 idFrom,
uint256 count
) external onlyOwner editingAllowed {
uint256[] memory tokendIds = new uint256[](count);
for (uint256 index = 0; index < count; index++) {
tokendIds[index] = idFrom + index;
}
ISC.token[] memory tokenDetails = oldSC.tokensDetails(tokendIds);
for (uint256 index = 0; index < tokenDetails.length; index++) {
stakedTokens[idFrom + index].stakeDate = tokenDetails[index]
.stakeDate;
stakedTokens[idFrom + index].stakerAddress = tokenDetails[index]
.stakerAddress;
stakedTokens[idFrom + index].tierId = tokenDetails[index].tierId;
stakedTokens[idFrom + index].collected = tokenDetails[index]
.collected;
stakedTokens[idFrom + index].boost = tokenDetails[index].boost;
}
}
function changeTierRate(
uint256 tierId,
uint256 newRate
) external onlyOwner {
tiersRate[tierId] = newRate;
}
function changeTierDays(
uint256 tierId,
uint256 newDaysCount
) external onlyOwner {
tiersDays[tierId] = newDaysCount;
}
function stake(
uint256[] calldata tokenIds,
uint256 tierId
) external notContract {
require(tiersRate[tierId] > 0, "TIER_NOT_VALID");
for (uint256 index = 0; index < tokenIds.length; index++) {
if (EB_Contract.ownerOf(tokenIds[index]) == msg.sender) {
EB_Contract.transferFrom(
msg.sender,
address(this),
tokenIds[index]
);
stakedTokens[tokenIds[index]].stakeDate = block.timestamp;
stakedTokens[tokenIds[index]].tierId = tierId;
stakedTokens[tokenIds[index]].stakerAddress = msg.sender;
}
}
}
function unstake(uint256[] calldata tokenIds) external notContract {
for (uint256 index = 0; index < tokenIds.length; index++) {
if (
stakedTokens[tokenIds[index]].stakerAddress == msg.sender &&
(stakedTokens[tokenIds[index]].stakeDate +
tiersDays[stakedTokens[tokenIds[index]].tierId]) <
block.timestamp
) {
EB_Contract.transferFrom(
address(this),
msg.sender,
tokenIds[index]
);
stakedTokens[tokenIds[index]].collected = this
.claimableWormsForId(tokenIds[index]);
stakedTokens[tokenIds[index]].stakeDate = 0;
stakedTokens[tokenIds[index]].tierId = 0;
stakedTokens[tokenIds[index]].stakerAddress = address(0);
}
}
}
function restake(
uint256[] calldata tokenIds,
uint256 tierId
) external notContract {
for (uint256 index = 0; index < tokenIds.length; index++) {
if (
stakedTokens[tokenIds[index]].stakerAddress == msg.sender &&
(stakedTokens[tokenIds[index]].stakeDate +
tiersDays[stakedTokens[tokenIds[index]].tierId]) <
block.timestamp
) {
stakedTokens[tokenIds[index]].collected = this
.claimableWormsForId(tokenIds[index]);
stakedTokens[tokenIds[index]].stakeDate = block.timestamp;
stakedTokens[tokenIds[index]].tierId = tierId;
}
}
}
function changeBoostsBulk(
uint256[] memory tokenIds,
uint256 boost
) external onlyOwner {
for (uint256 index = 0; index < tokenIds.length; index++) {
stakedTokens[tokenIds[index]].boost = boost;
}
}
function changeBoosts(
uint256[] memory tokenIds,
uint256[] memory boosts
) external onlyOwner {
require(tokenIds.length == boosts.length, "LENGTH_NOT_MATCHED");
for (uint256 index = 0; index < tokenIds.length; index++) {
stakedTokens[tokenIds[index]].boost = boosts[index];
}
}
function claimableWormsFor(
uint256[] memory tokenIds
) external view returns (uint256) {
uint256 totalClaimable = 0;
for (uint256 index = 0; index < tokenIds.length; index++) {
uint256 timePassed = block.timestamp -
stakedTokens[tokenIds[index]].stakeDate;
uint256 noBoostAmount;
if (timePassed > tiersDays[stakedTokens[tokenIds[index]].tierId]) {
noBoostAmount =
tiersDays[stakedTokens[tokenIds[index]].tierId] *
tiersRate[stakedTokens[tokenIds[index]].tierId];
} else {
noBoostAmount =
timePassed *
tiersRate[stakedTokens[tokenIds[index]].tierId];
}
if (stakedTokens[tokenIds[index]].boost == 0) {
totalClaimable +=
stakedTokens[tokenIds[index]].collected +
noBoostAmount;
} else {
totalClaimable +=
stakedTokens[tokenIds[index]].collected +
noBoostAmount +
((noBoostAmount * stakedTokens[tokenIds[index]].boost) /
1000);
}
}
return totalClaimable;
}
function claimableWormsForId(
uint256 tokenId
) external view returns (uint256) {
uint256 timePassed = block.timestamp - stakedTokens[tokenId].stakeDate;
uint256 noBoostAmount;
if (timePassed > tiersDays[stakedTokens[tokenId].tierId]) {
noBoostAmount =
tiersDays[stakedTokens[tokenId].tierId] *
tiersRate[stakedTokens[tokenId].tierId];
} else {
noBoostAmount =
timePassed *
tiersRate[stakedTokens[tokenId].tierId];
}
if (stakedTokens[tokenId].boost == 0) {
return stakedTokens[tokenId].collected + noBoostAmount;
} else {
return
stakedTokens[tokenId].collected +
noBoostAmount +
((noBoostAmount * stakedTokens[tokenId].boost) / 1000);
}
}
function balanceOf(address owner) external view returns (uint256) {
return EB_Contract.balanceOf(owner) + this.totalStakedBy(owner);
}
function tokensDetails(
uint256[] memory tokens
) external view returns (token[] memory) {
token[] memory tokensList = new token[](tokens.length);
for (uint256 index = 0; index < tokens.length; index++) {
tokensList[index] = stakedTokens[tokens[index]];
}
return tokensList;
}
function totalStakedBy(address owner) external view returns (uint256) {
uint256 total = 0;
for (uint256 tokenId = 1; tokenId < 1000; tokenId++) {
if (stakedTokens[tokenId].stakerAddress == owner) {
total++;
}
}
return total;
}
function tokensHeldBy(
address owner
) external view returns (uint256[] memory) {
uint256[] memory tokensList = new uint256[](
EB_Contract.balanceOf(owner) + this.totalStakedBy(owner)
);
uint256 currentIndex;
for (uint256 tokenId = 1; tokenId < 1000; tokenId++) {
try EB_Contract.ownerOf(tokenId) {
if (EB_Contract.ownerOf(tokenId) == owner) {
tokensList[currentIndex] = uint256(tokenId);
currentIndex++;
}
} catch {}
if (stakedTokens[tokenId].stakerAddress == owner) {
tokensList[currentIndex] = uint256(tokenId);
currentIndex++;
}
}
return tokensList;
}
function tokensOwnedBy(
address owner
) external view returns (uint256[] memory) {
uint256[] memory tokensList = new uint256[](
EB_Contract.balanceOf(owner)
);
uint256 currentIndex;
for (uint256 index = 1; index < 1000; index++) {
try EB_Contract.ownerOf(index) {
if (EB_Contract.ownerOf(index) == owner) {
tokensList[currentIndex] = uint256(index);
currentIndex++;
}
} catch {}
}
return tokensList;
}
function tokensStakedBy(
address owner
) external view returns (uint256[] memory) {
uint256[] memory tokensList = new uint256[](this.totalStakedBy(owner));
uint256 currentIndex = 0;
for (uint256 tokenId = 1; tokenId < 1000; tokenId++) {
if (stakedTokens[tokenId].stakerAddress == owner) {
tokensList[currentIndex] = uint256(tokenId);
currentIndex++;
}
}
return tokensList;
}
}
{
"compilationTarget": {
"EarlyBirds_Staking.sol": "EarlyBirds_Staking"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"EB_Contract","outputs":[{"internalType":"contract IEB","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint256[]","name":"boosts","type":"uint256[]"}],"name":"changeBoosts","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint256","name":"boost","type":"uint256"}],"name":"changeBoostsBulk","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newContract","type":"address"}],"name":"changeMainContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"address[]","name":"newStakers","type":"address[]"}],"name":"changeStakersAddresses","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"stakeDate","type":"uint256"},{"internalType":"address","name":"stakerAddress","type":"address"},{"internalType":"uint256","name":"tierId","type":"uint256"},{"internalType":"uint256","name":"collected","type":"uint256"},{"internalType":"uint256","name":"boost","type":"uint256"}],"internalType":"struct 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