Contract
0xdf19f1216aa406df8bc585246bee7d96933f285f
4
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Contract Name:
TreasuryMine
Compiler Version
v0.8.7+commit.e28d00a7
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @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); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev _Available since v3.1._ */ interface IERC1155Receiver is IERC165 { /** @dev Handles the receipt of a single ERC1155 token type. This function is called at the end of a `safeTransferFrom` after the balance has been updated. To accept the transfer, this must return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` (i.e. 0xf23a6e61, or its own function selector). @param operator The address which initiated the transfer (i.e. msg.sender) @param from The address which previously owned the token @param id The ID of the token being transferred @param value The amount of tokens being transferred @param data Additional data with no specified format @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed */ function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns (bytes4); /** @dev Handles the receipt of a multiple ERC1155 token types. This function is called at the end of a `safeBatchTransferFrom` after the balances have been updated. To accept the transfer(s), this must return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` (i.e. 0xbc197c81, or its own function selector). @param operator The address which initiated the batch transfer (i.e. msg.sender) @param from The address which previously owned the token @param ids An array containing ids of each token being transferred (order and length must match values array) @param values An array containing amounts of each token being transferred (order and length must match ids array) @param data Additional data with no specified format @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed */ function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./ERC1155Receiver.sol"; /** * @dev _Available since v3.1._ */ contract ERC1155Holder is ERC1155Receiver { function onERC1155Received( address, address, uint256, uint256, bytes memory ) public virtual override returns (bytes4) { return this.onERC1155Received.selector; } function onERC1155BatchReceived( address, address, uint256[] memory, uint256[] memory, bytes memory ) public virtual override returns (bytes4) { return this.onERC1155BatchReceived.selector; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../IERC1155Receiver.sol"; import "../../../utils/introspection/ERC165.sol"; /** * @dev _Available since v3.1._ */ abstract contract ERC1155Receiver is ERC165, IERC1155Receiver { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./IERC20.sol"; import "./extensions/IERC20Metadata.sol"; import "../../utils/Context.sol"; /** * @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 {} }
// SPDX-License-Identifier: MIT 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); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../IERC20.sol"; /** * @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); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../IERC20.sol"; import "../../../utils/Address.sol"; /** * @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 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' 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) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _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 require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @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; 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"); (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"); (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"); (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"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal 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 assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT 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; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow * checks. * * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can * easily result in undesired exploitation or bugs, since developers usually * assume that overflows raise errors. `SafeCast` restores this intuition by * reverting the transaction when such 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. * * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing * all math on `uint256` and `int256` and then downcasting. */ library SafeCast { /** * @dev Returns the downcasted uint224 from uint256, reverting on * overflow (when the input is greater than largest uint224). * * Counterpart to Solidity's `uint224` operator. * * Requirements: * * - input must fit into 224 bits */ function toUint224(uint256 value) internal pure returns (uint224) { require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits"); return uint224(value); } /** * @dev Returns the downcasted uint128 from uint256, reverting on * overflow (when the input is greater than largest uint128). * * Counterpart to Solidity's `uint128` operator. * * Requirements: * * - input must fit into 128 bits */ function toUint128(uint256 value) internal pure returns (uint128) { require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits"); return uint128(value); } /** * @dev Returns the downcasted uint96 from uint256, reverting on * overflow (when the input is greater than largest uint96). * * Counterpart to Solidity's `uint96` operator. * * Requirements: * * - input must fit into 96 bits */ function toUint96(uint256 value) internal pure returns (uint96) { require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits"); return uint96(value); } /** * @dev Returns the downcasted uint64 from uint256, reverting on * overflow (when the input is greater than largest uint64). * * Counterpart to Solidity's `uint64` operator. * * Requirements: * * - input must fit into 64 bits */ function toUint64(uint256 value) internal pure returns (uint64) { require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits"); return uint64(value); } /** * @dev Returns the downcasted uint32 from uint256, reverting on * overflow (when the input is greater than largest uint32). * * Counterpart to Solidity's `uint32` operator. * * Requirements: * * - input must fit into 32 bits */ function toUint32(uint256 value) internal pure returns (uint32) { require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits"); return uint32(value); } /** * @dev Returns the downcasted uint16 from uint256, reverting on * overflow (when the input is greater than largest uint16). * * Counterpart to Solidity's `uint16` operator. * * Requirements: * * - input must fit into 16 bits */ function toUint16(uint256 value) internal pure returns (uint16) { require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits"); return uint16(value); } /** * @dev Returns the downcasted uint8 from uint256, reverting on * overflow (when the input is greater than largest uint8). * * Counterpart to Solidity's `uint8` operator. * * Requirements: * * - input must fit into 8 bits. */ function toUint8(uint256 value) internal pure returns (uint8) { require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits"); return uint8(value); } /** * @dev Converts a signed int256 into an unsigned uint256. * * Requirements: * * - input must be greater than or equal to 0. */ function toUint256(int256 value) internal pure returns (uint256) { require(value >= 0, "SafeCast: value must be positive"); return uint256(value); } /** * @dev Returns the downcasted int128 from int256, reverting on * overflow (when the input is less than smallest int128 or * greater than largest int128). * * Counterpart to Solidity's `int128` operator. * * Requirements: * * - input must fit into 128 bits * * _Available since v3.1._ */ function toInt128(int256 value) internal pure returns (int128) { require(value >= type(int128).min && value <= type(int128).max, "SafeCast: value doesn't fit in 128 bits"); return int128(value); } /** * @dev Returns the downcasted int64 from int256, reverting on * overflow (when the input is less than smallest int64 or * greater than largest int64). * * Counterpart to Solidity's `int64` operator. * * Requirements: * * - input must fit into 64 bits * * _Available since v3.1._ */ function toInt64(int256 value) internal pure returns (int64) { require(value >= type(int64).min && value <= type(int64).max, "SafeCast: value doesn't fit in 64 bits"); return int64(value); } /** * @dev Returns the downcasted int32 from int256, reverting on * overflow (when the input is less than smallest int32 or * greater than largest int32). * * Counterpart to Solidity's `int32` operator. * * Requirements: * * - input must fit into 32 bits * * _Available since v3.1._ */ function toInt32(int256 value) internal pure returns (int32) { require(value >= type(int32).min && value <= type(int32).max, "SafeCast: value doesn't fit in 32 bits"); return int32(value); } /** * @dev Returns the downcasted int16 from int256, reverting on * overflow (when the input is less than smallest int16 or * greater than largest int16). * * Counterpart to Solidity's `int16` operator. * * Requirements: * * - input must fit into 16 bits * * _Available since v3.1._ */ function toInt16(int256 value) internal pure returns (int16) { require(value >= type(int16).min && value <= type(int16).max, "SafeCast: value doesn't fit in 16 bits"); return int16(value); } /** * @dev Returns the downcasted int8 from int256, reverting on * overflow (when the input is less than smallest int8 or * greater than largest int8). * * Counterpart to Solidity's `int8` operator. * * Requirements: * * - input must fit into 8 bits. * * _Available since v3.1._ */ function toInt8(int256 value) internal pure returns (int8) { require(value >= type(int8).min && value <= type(int8).max, "SafeCast: value doesn't fit in 8 bits"); return int8(value); } /** * @dev Converts an unsigned uint256 into a signed int256. * * Requirements: * * - input must be less than or equal to maxInt256. */ function toInt256(uint256 value) internal pure returns (int256) { // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256"); return int256(value); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.7; import '@openzeppelin/contracts/token/ERC20/ERC20.sol'; import '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol'; import '@openzeppelin/contracts/access/Ownable.sol'; import '@openzeppelin/contracts/utils/math/SafeCast.sol'; import './TreasuryStake.sol'; contract TreasuryMine is Ownable { using SafeERC20 for ERC20; using SafeCast for uint256; using SafeCast for int256; enum Lock { twoWeeks, oneMonth, threeMonths } uint256 public constant DAY = 60 * 60 * 24; uint256 public constant ONE_WEEK = DAY * 7; uint256 public constant TWO_WEEKS = ONE_WEEK * 2; uint256 public constant ONE_MONTH = DAY * 30; uint256 public constant THREE_MONTHS = ONE_MONTH * 3; uint256 public constant LIFECYCLE = THREE_MONTHS; uint256 public constant ONE = 1e18; // Magic token addr ERC20 public immutable magic; address public immutable treasuryStake; bool public unlockAll; uint256 public endTimestamp; uint256 public maxMagicPerSecond; uint256 public magicPerSecond; uint256 public totalRewardsEarned; uint256 public accMagicPerShare; uint256 public totalLpToken; uint256 public magicTotalDeposits; uint256 public lastRewardTimestamp; address[] public excludedAddresses; struct UserInfo { uint256 depositAmount; uint256 lpAmount; uint256 lockedUntil; int256 rewardDebt; Lock lock; } /// @notice user => depositId => UserInfo mapping (address => mapping (uint256 => UserInfo)) public userInfo; /// @notice user => depositId[] mapping (address => uint256[]) public allUserDepositIds; /// @notice user => depositId => index in allUserDepositIds mapping (address => mapping(uint256 => uint256)) public depositIdIndex; /// @notice user => deposit index array mapping (address => uint256) public currentId; event Deposit(address indexed user, uint256 indexed index, uint256 amount); event Withdraw(address indexed user, uint256 indexed index, uint256 amount); event EmergencyWithdraw(address indexed to, uint256 amount); event Harvest(address indexed user, uint256 indexed index, uint256 amount); event LogUpdateRewards(uint256 indexed lastRewardTimestamp, uint256 lpSupply, uint256 accMagicPerShare); modifier refreshMagicRate() { _; uint256 util = utilization(); if (util < 2e17) { magicPerSecond = 0; } else if (util < 3e17) { // >20% // 50% magicPerSecond = maxMagicPerSecond * 5 / 10; } else if (util < 4e17) { // >30% // 60% magicPerSecond = maxMagicPerSecond * 6 / 10; } else if (util < 5e17) { // >40% // 80% magicPerSecond = maxMagicPerSecond * 8 / 10; } else if (util < 6e17) { // >50% // 90% magicPerSecond = maxMagicPerSecond * 9 / 10; } else { // >60% // 100% magicPerSecond = maxMagicPerSecond; } } modifier updateRewards() { if (block.timestamp > lastRewardTimestamp && lastRewardTimestamp < endTimestamp && endTimestamp != 0) { uint256 lpSupply = totalLpToken; if (lpSupply > 0) { uint256 timeDelta; if (block.timestamp > endTimestamp) { timeDelta = endTimestamp - lastRewardTimestamp; lastRewardTimestamp = endTimestamp; } else { timeDelta = block.timestamp - lastRewardTimestamp; lastRewardTimestamp = block.timestamp; } uint256 magicReward = timeDelta * magicPerSecond; // send 10% to treasury uint256 treasuryReward = magicReward / 10; _fundTreasury(treasuryReward); magicReward -= treasuryReward; totalRewardsEarned += magicReward; accMagicPerShare += magicReward * ONE / lpSupply; } emit LogUpdateRewards(lastRewardTimestamp, lpSupply, accMagicPerShare); } _; } constructor(address _magic, address _treasuryStake, address _owner) { magic = ERC20(_magic); treasuryStake = _treasuryStake; transferOwnership(_owner); } function init() external onlyOwner refreshMagicRate { require(endTimestamp == 0, "Cannot init again"); uint256 rewardsAmount = magic.balanceOf(address(this)) - magicTotalDeposits; require(rewardsAmount > 0, "No rewards sent"); maxMagicPerSecond = rewardsAmount / LIFECYCLE; endTimestamp = block.timestamp + LIFECYCLE; lastRewardTimestamp = block.timestamp; } function isInitialized() public view returns (bool) { return endTimestamp != 0; } function utilization() public view returns (uint256 util) { uint256 circulatingSupply = magic.totalSupply(); uint256 len = excludedAddresses.length; for (uint256 i = 0; i < len; i++) { circulatingSupply -= magic.balanceOf(excludedAddresses[i]); } uint256 rewardsAmount = magic.balanceOf(address(this)) - magicTotalDeposits; circulatingSupply -= rewardsAmount; if (circulatingSupply != 0) { util = magicTotalDeposits * ONE / circulatingSupply; } } function getAllUserDepositIds(address _user) public view returns (uint256[] memory) { return allUserDepositIds[_user]; } function getExcludedAddresses() public view returns (address[] memory) { return excludedAddresses; } function getBoost(Lock _lock) public pure returns (uint256 boost, uint256 timelock) { if (_lock == Lock.twoWeeks) { // 20% return (2e17, TWO_WEEKS); } else if (_lock == Lock.oneMonth) { // 50% return (5e17, ONE_MONTH); } else if (_lock == Lock.threeMonths) { // 200% return (2e18, THREE_MONTHS); } else { revert("Invalid lock value"); } } function pendingRewardsPosition(address _user, uint256 _depositId) public view returns (uint256 pending) { UserInfo storage user = userInfo[_user][_depositId]; uint256 _accMagicPerShare = accMagicPerShare; uint256 lpSupply = totalLpToken; if (block.timestamp > lastRewardTimestamp && magicPerSecond != 0) { uint256 timeDelta; if (block.timestamp > endTimestamp) { timeDelta = endTimestamp - lastRewardTimestamp; } else { timeDelta = block.timestamp - lastRewardTimestamp; } uint256 magicReward = timeDelta * magicPerSecond; // send 10% to treasury uint256 treasuryReward = magicReward / 10; magicReward -= treasuryReward; _accMagicPerShare += magicReward * ONE / lpSupply; } pending = ((user.lpAmount * _accMagicPerShare / ONE).toInt256() - user.rewardDebt).toUint256(); } function pendingRewardsAll(address _user) external view returns (uint256 pending) { uint256 len = allUserDepositIds[_user].length; for (uint256 i = 0; i < len; ++i) { uint256 depositId = allUserDepositIds[_user][i]; pending += pendingRewardsPosition(_user, depositId); } } function deposit(uint256 _amount, Lock _lock) public refreshMagicRate updateRewards { require(isInitialized(), "Not initialized"); if (_lock == Lock.twoWeeks) { // give 1 DAY of grace period require(block.timestamp + TWO_WEEKS - DAY <= endTimestamp, "Less than 2 weeks left"); } else if (_lock == Lock.oneMonth) { // give 3 DAY of grace period require(block.timestamp + ONE_MONTH - 3 * DAY<= endTimestamp, "Less than 1 month left"); } else if (_lock == Lock.threeMonths) { // give ONE_WEEK of grace period require(block.timestamp + THREE_MONTHS - ONE_WEEK <= endTimestamp, "Less than 3 months left"); } else { revert("Invalid lock value"); } (UserInfo storage user, uint256 depositId) = _addDeposit(msg.sender); (uint256 boost, uint256 timelock) = getBoost(_lock); uint256 lpAmount = _amount + _amount * boost / ONE; magicTotalDeposits += _amount; totalLpToken += lpAmount; user.depositAmount = _amount; user.lpAmount = lpAmount; user.lockedUntil = block.timestamp + timelock; user.rewardDebt = (lpAmount * accMagicPerShare / ONE).toInt256(); user.lock = _lock; magic.safeTransferFrom(msg.sender, address(this), _amount); emit Deposit(msg.sender, depositId, _amount); } function withdrawPosition(uint256 _depositId, uint256 _amount) public refreshMagicRate updateRewards { UserInfo storage user = userInfo[msg.sender][_depositId]; uint256 depositAmount = user.depositAmount; require(depositAmount > 0, "Position does not exists"); if (_amount > depositAmount) { _amount = depositAmount; } // anyone can withdraw when mine ends or kill swith was used if (block.timestamp < endTimestamp && !unlockAll) { require(block.timestamp >= user.lockedUntil, "Position is still locked"); } // Effects uint256 ratio = _amount * ONE / depositAmount; uint256 lpAmount = user.lpAmount * ratio / ONE; totalLpToken -= lpAmount; magicTotalDeposits -= _amount; user.depositAmount -= _amount; user.lpAmount -= lpAmount; user.rewardDebt -= (lpAmount * accMagicPerShare / ONE).toInt256(); // Interactions magic.safeTransfer(msg.sender, _amount); emit Withdraw(msg.sender, _depositId, _amount); } function withdrawAll() public { uint256[] memory depositIds = allUserDepositIds[msg.sender]; uint256 len = depositIds.length; for (uint256 i = 0; i < len; ++i) { uint256 depositId = depositIds[i]; withdrawPosition(depositId, type(uint256).max); } } function harvestPosition(uint256 _depositId) public refreshMagicRate updateRewards { UserInfo storage user = userInfo[msg.sender][_depositId]; int256 accumulatedMagic = (user.lpAmount * accMagicPerShare / ONE).toInt256(); uint256 _pendingMagic = (accumulatedMagic - user.rewardDebt).toUint256(); // Effects user.rewardDebt = accumulatedMagic; if (user.depositAmount == 0 && user.lpAmount == 0) { _removeDeposit(msg.sender, _depositId); } // Interactions if (_pendingMagic != 0) { magic.safeTransfer(msg.sender, _pendingMagic); } emit Harvest(msg.sender, _depositId, _pendingMagic); } function harvestAll() public { uint256[] memory depositIds = allUserDepositIds[msg.sender]; uint256 len = depositIds.length; for (uint256 i = 0; i < len; ++i) { uint256 depositId = depositIds[i]; harvestPosition(depositId); } } function withdrawAndHarvestPosition(uint256 _depositId, uint256 _amount) public { withdrawPosition(_depositId, _amount); harvestPosition(_depositId); } function withdrawAndHarvestAll() public { uint256[] memory depositIds = allUserDepositIds[msg.sender]; uint256 len = depositIds.length; for (uint256 i = 0; i < len; ++i) { uint256 depositId = depositIds[i]; withdrawAndHarvestPosition(depositId, type(uint256).max); } } function burnLeftovers() public refreshMagicRate updateRewards { require(block.timestamp > endTimestamp, "Will not burn before end"); address blackhole = 0x000000000000000000000000000000000000dEaD; int256 burnAmount = (LIFECYCLE * maxMagicPerSecond).toInt256() // rewards originally sent - (totalRewardsEarned).toInt256() // rewards distributed to users - (totalRewardsEarned / 9).toInt256(); // rewards distributed to treasury if (burnAmount > 0) magic.safeTransfer(blackhole, uint256(burnAmount)); } function addExcludedAddress(address exclude) external onlyOwner refreshMagicRate updateRewards { uint256 len = excludedAddresses.length; for (uint256 i = 0; i < len; ++i) { require(excludedAddresses[i] != exclude, "Already excluded"); } excludedAddresses.push(exclude); } function removeExcludedAddress(address include) external onlyOwner refreshMagicRate updateRewards { uint256 index; uint256 len = excludedAddresses.length; require(len > 0, "no excluded addresses"); for (uint256 i = 0; i < len; ++i) { if (excludedAddresses[i] == include) { index = i; break; } } require(excludedAddresses[index] == include, "address not excluded"); uint256 lastIndex = len - 1; if (index != lastIndex) { excludedAddresses[index] = excludedAddresses[lastIndex]; } excludedAddresses.pop(); } /// @notice EMERGENCY ONLY function kill() external onlyOwner refreshMagicRate updateRewards { require(block.timestamp <= endTimestamp, "Will not kill after end"); require(!unlockAll, "Already dead"); int256 withdrawAmount = (LIFECYCLE * maxMagicPerSecond).toInt256() // rewards originally sent - (totalRewardsEarned).toInt256() // rewards distributed to users - (totalRewardsEarned / 9).toInt256(); // rewards distributed to treasury if (withdrawAmount > 0) { magic.safeTransfer(owner(), uint256(withdrawAmount)); emit EmergencyWithdraw(owner(), uint256(withdrawAmount)); } maxMagicPerSecond = 0; magicPerSecond = 0; unlockAll = true; } function _addDeposit(address _user) internal returns (UserInfo storage user, uint256 newDepositId) { // start depositId from 1 newDepositId = ++currentId[_user]; depositIdIndex[_user][newDepositId] = allUserDepositIds[_user].length; allUserDepositIds[_user].push(newDepositId); user = userInfo[_user][newDepositId]; } function _removeDeposit(address _user, uint256 _depositId) internal { uint256 depositIndex = depositIdIndex[_user][_depositId]; require(allUserDepositIds[_user][depositIndex] == _depositId, 'depositId !exists'); uint256 lastDepositIndex = allUserDepositIds[_user].length - 1; if (depositIndex != lastDepositIndex) { uint256 lastDepositId = allUserDepositIds[_user][lastDepositIndex]; allUserDepositIds[_user][depositIndex] = lastDepositId; depositIdIndex[_user][lastDepositId] = depositIndex; } allUserDepositIds[_user].pop(); delete depositIdIndex[_user][_depositId]; } function _fundTreasury(uint256 _amount) internal { magic.approve(treasuryStake, _amount); TreasuryStake(treasuryStake).notifyRewards(_amount); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.7; import '@openzeppelin/contracts/token/ERC20/ERC20.sol'; import '@openzeppelin/contracts/token/ERC1155/IERC1155.sol'; import '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol'; import '@openzeppelin/contracts/utils/math/SafeCast.sol'; import '@openzeppelin/contracts/token/ERC1155/utils/ERC1155Holder.sol'; contract TreasuryStake is ERC1155Holder { using SafeERC20 for ERC20; using SafeCast for uint256; using SafeCast for int256; uint256 public constant DAY = 60 * 60 * 24; uint256 public constant ONE_WEEK = DAY * 7; uint256 public constant TWO_WEEKS = ONE_WEEK * 2; uint256 public constant ONE_MONTH = DAY * 30; uint256 public constant THREE_MONTHS = ONE_MONTH * 3; uint256 public constant LIFECYCLE = THREE_MONTHS; uint256 public constant ONE = 1e18; // Magic token addr ERC20 public immutable magic; IERC1155 public immutable lpToken; uint256 public totalRewardsEarned; uint256 public accMagicPerShare; uint256 public totalLpToken; uint256 public undistributedRewards; struct UserInfo { uint256 depositAmount; uint256 tokenId; uint256 lpAmount; int256 rewardDebt; } /// @notice user => tokenId => UserInfo mapping (address => mapping (uint256 => UserInfo)) public userInfo; /// @notice user => tokenId[] mapping (address => uint256[]) public allUserTokenIds; // @notice user => tokenId => index in allUserIndex mapping (address => mapping(uint256 => uint256)) public tokenIdIndex; event Deposit(address indexed user, uint256 lpAmount, uint256 tokenId, uint256 depositAmount); event Withdraw(address indexed user, uint256 tokenId, uint256 withdrawAmount); event Harvest(address indexed user, uint256 indexed index, uint256 amount); event LogUpdateRewards(uint256 lpSupply, uint256 accMagicPerShare); constructor(address _magic, address _lpToken) { magic = ERC20(_magic); lpToken = IERC1155(_lpToken); } function getLpAmount(uint256 _tokenId, uint256 _amount) public pure returns (uint256) { uint256 boost; uint256 boostDecimal = 100; if (_tokenId == 39) { // Ancient Relic 10.03 boost = 1003; } else if (_tokenId == 46) { // Bag of Rare Mushrooms 8.21 boost = 821; } else if (_tokenId == 47) { // Bait for Monsters 9.73 boost = 973; } else if (_tokenId == 48) { // Beetle-wing 1.00 boost = 100; } else if (_tokenId == 49) { // Blue Rupee 2.04 boost = 204; } else if (_tokenId == 51) { // Bottomless Elixir 10.15 boost = 1015; } else if (_tokenId == 52) { // Cap of Invisibility 10.15 boost = 1015; } else if (_tokenId == 53) { // Carriage 8.09 boost = 809; } else if (_tokenId == 54) { // Castle 9.77 boost = 977; } else if (_tokenId == 68) { // Common Bead 7.52 boost = 752; } else if (_tokenId == 69) { // Common Feather 4.50 boost = 450; } else if (_tokenId == 71) { // Common Relic 2.87 boost = 287; } else if (_tokenId == 72) { // Cow 7.74 boost = 774; } else if (_tokenId == 73) { // Diamond 1.04 boost = 104; } else if (_tokenId == 74) { // Divine Hourglass 8.46 boost = 846; } else if (_tokenId == 75) { // Divine Mask 7.62 boost = 762; } else if (_tokenId == 76) { // Donkey 1.62 boost = 162; } else if (_tokenId == 77) { // Dragon Tail 1.03 boost = 103; } else if (_tokenId == 79) { // Emerald 1.01 boost = 101; } else if (_tokenId == 82) { // Favor from the Gods 7.39 boost = 739; } else if (_tokenId == 91) { // Framed Butterfly 7.79 boost = 779; } else if (_tokenId == 92) { // Gold Coin 1.03 boost = 103; } else if (_tokenId == 93) { // Grain 4.29 boost = 429; } else if (_tokenId == 94) { // Green Rupee 4.36 boost = 436; } else if (_tokenId == 95) { // Grin 10.47 boost = 1047; } else if (_tokenId == 96) { // Half-Penny 1.05 boost = 105; } else if (_tokenId == 97) { // Honeycomb 10.52 boost = 1052; } else if (_tokenId == 98) { // Immovable Stone 9.65 boost = 965; } else if (_tokenId == 99) { // Ivory Breastpin 8.49 boost = 849; } else if (_tokenId == 100) { // Jar of Fairies 7.10 boost = 710; } else if (_tokenId == 103) { // Lumber 4.02 boost = 402; } else if (_tokenId == 104) { // Military Stipend 8.30 boost = 830; } else if (_tokenId == 105) { // Mollusk Shell 8.96 boost = 896; } else if (_tokenId == 114) { // Ox 2.12 boost = 212; } else if (_tokenId == 115) { // Pearl 1.03 boost = 103; } else if (_tokenId == 116) { // Pot of Gold 7.72 boost = 772; } else if (_tokenId == 117) { // Quarter-Penny 1.00 boost = 100; } else if (_tokenId == 132) { // Red Feather 8.51 boost = 851; } else if (_tokenId == 133) { // Red Rupee 1.03 boost = 103; } else if (_tokenId == 141) { // Score of Ivory 7.94 boost = 794; } else if (_tokenId == 151) { // Silver Coin 1.05 boost = 105; } else if (_tokenId == 152) { // Small Bird 7.98 boost = 798; } else if (_tokenId == 153) { // Snow White Feather 8.54 boost = 854; } else if (_tokenId == 161) { // Thread of Divine Silk 9.77 boost = 977; } else if (_tokenId == 162) { // Unbreakable Pocketwatch 7.91 boost = 791; } else if (_tokenId == 164) { // Witches Broom 6.76 boost = 676; } else { boost = 0; } _amount = addDecimals(_amount); return _amount + _amount * boost / boostDecimal; } function addDecimals(uint256 _amount) public pure returns (uint256) { return _amount * ONE; } function getAllUserTokenIds(address _user) public view returns (uint256[] memory) { return allUserTokenIds[_user]; } function pendingRewardsPosition(address _user, uint256 _tokenId) public view returns (uint256 pending) { UserInfo storage user = userInfo[_user][_tokenId]; pending = ((user.lpAmount * accMagicPerShare / ONE).toInt256() - user.rewardDebt).toUint256(); } function pendingRewardsAll(address _user) external view returns (uint256 pending) { uint256 len = allUserTokenIds[_user].length; for (uint256 i = 0; i < len; ++i) { uint256 tokenId = allUserTokenIds[_user][i]; pending += pendingRewardsPosition(_user, tokenId); } } function deposit(uint256 _tokenId, uint256 _amount) public { UserInfo storage user = _addDeposit(msg.sender, _tokenId); uint256 lpAmount = getLpAmount(_tokenId, _amount); totalLpToken += lpAmount; user.tokenId = _tokenId; user.depositAmount += _amount; user.lpAmount += lpAmount; user.rewardDebt += (lpAmount * accMagicPerShare / ONE).toInt256(); lpToken.safeTransferFrom(msg.sender, address(this), _tokenId, _amount, bytes("")); emit Deposit(msg.sender, lpAmount, _tokenId, _amount); } function withdrawPosition(uint256 _tokenId, uint256 _amount) public { UserInfo storage user = userInfo[msg.sender][_tokenId]; uint256 lpAmount = user.lpAmount; uint256 depositAmount = user.depositAmount; require(depositAmount > 0, "Position does not exists"); if (_amount > depositAmount) { _amount = depositAmount; } // Effects uint256 ratio = _amount * ONE / depositAmount; lpAmount = lpAmount * ratio / ONE; totalLpToken -= lpAmount; user.depositAmount -= _amount; user.lpAmount -= lpAmount; user.rewardDebt -= (lpAmount * accMagicPerShare / ONE).toInt256(); // Interactions lpToken.safeTransferFrom(address(this), msg.sender, _tokenId, _amount, bytes("")); emit Withdraw(msg.sender, _tokenId, _amount); } function withdrawAll() public { uint256[] memory tokenIds = allUserTokenIds[msg.sender]; uint256 len = tokenIds.length; for (uint256 i = 0; i < len; ++i) { uint256 tokenId = tokenIds[i]; withdrawPosition(tokenId, type(uint256).max); } } function harvestPosition(uint256 _tokenId) public { UserInfo storage user = userInfo[msg.sender][_tokenId]; int256 accumulatedMagic = (user.lpAmount * accMagicPerShare / ONE).toInt256(); uint256 _pendingMagic = (accumulatedMagic - user.rewardDebt).toUint256(); // Effects user.rewardDebt = accumulatedMagic; if (user.lpAmount == 0) { _removeDeposit(msg.sender, _tokenId); } // Interactions if (_pendingMagic != 0) { magic.safeTransfer(msg.sender, _pendingMagic); } emit Harvest(msg.sender, _tokenId, _pendingMagic); } function harvestAll() public { uint256[] memory tokenIds = allUserTokenIds[msg.sender]; uint256 len = tokenIds.length; for (uint256 i = 0; i < len; ++i) { uint256 tokenId = tokenIds[i]; harvestPosition(tokenId); } } function withdrawAndHarvestPosition(uint256 _tokenId, uint256 _amount) public { withdrawPosition(_tokenId, _amount); harvestPosition(_tokenId); } function withdrawAndHarvestAll() public { uint256[] memory tokenIds = allUserTokenIds[msg.sender]; uint256 len = tokenIds.length; for (uint256 i = 0; i < len; ++i) { uint256 tokenId = tokenIds[i]; withdrawAndHarvestPosition(tokenId, type(uint256).max); } } function notifyRewards(uint256 _amount) external { if (_amount != 0) magic.safeTransferFrom(msg.sender, address(this), _amount); _updateRewards(_amount); } function _updateRewards(uint256 _amount) internal { uint256 lpSupply = totalLpToken; if (lpSupply > 0) { uint256 magicReward = _amount + undistributedRewards; accMagicPerShare += magicReward * ONE / lpSupply; undistributedRewards = 0; } else { undistributedRewards += _amount; } emit LogUpdateRewards(lpSupply, accMagicPerShare); } function _addDeposit(address _user, uint256 _tokenId) internal returns (UserInfo storage user) { user = userInfo[_user][_tokenId]; uint256 tokenIndex = tokenIdIndex[_user][_tokenId]; if (allUserTokenIds[_user].length == 0 || allUserTokenIds[_user][tokenIndex] != _tokenId) { tokenIdIndex[_user][_tokenId] = allUserTokenIds[_user].length; allUserTokenIds[_user].push(_tokenId); } } function _removeDeposit(address _user, uint256 _tokenId) internal { uint256 tokenIndex = tokenIdIndex[_user][_tokenId]; require(allUserTokenIds[_user][tokenIndex] == _tokenId, 'tokenId !exists'); uint256 lastDepositIndex = allUserTokenIds[_user].length - 1; if (tokenIndex != lastDepositIndex) { uint256 lastDepositId = allUserTokenIds[_user][lastDepositIndex]; allUserTokenIds[_user][tokenIndex] = lastDepositId; tokenIdIndex[_user][lastDepositId] = tokenIndex; } allUserTokenIds[_user].pop(); delete tokenIdIndex[_user][_tokenId]; } }
{ "evmVersion": "london", "libraries": {}, "metadata": { "bytecodeHash": "ipfs", "useLiteralContent": true }, "optimizer": { "enabled": true, "runs": 200 }, "remappings": [], "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } } }
[{"inputs":[{"internalType":"address","name":"_magic","type":"address"},{"internalType":"address","name":"_treasuryStake","type":"address"},{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"index","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EmergencyWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"index","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Harvest","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"lastRewardTimestamp","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lpSupply","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"accMagicPerShare","type":"uint256"}],"name":"LogUpdateRewards","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"index","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"DAY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LIFECYCLE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ONE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ONE_MONTH","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ONE_WEEK","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"THREE_MONTHS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TWO_WEEKS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"accMagicPerShare","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"exclude","type":"address"}],"name":"addExcludedAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"allUserDepositIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"burnLeftovers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"currentId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"enum TreasuryMine.Lock","name":"_lock","type":"uint8"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"depositIdIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"endTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"excludedAddresses","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"getAllUserDepositIds","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"enum TreasuryMine.Lock","name":"_lock","type":"uint8"}],"name":"getBoost","outputs":[{"internalType":"uint256","name":"boost","type":"uint256"},{"internalType":"uint256","name":"timelock","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getExcludedAddresses","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"harvestAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_depositId","type":"uint256"}],"name":"harvestPosition","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isInitialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"kill","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lastRewardTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"magic","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"magicPerSecond","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"magicTotalDeposits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMagicPerSecond","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"pendingRewardsAll","outputs":[{"internalType":"uint256","name":"pending","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"uint256","name":"_depositId","type":"uint256"}],"name":"pendingRewardsPosition","outputs":[{"internalType":"uint256","name":"pending","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"include","type":"address"}],"name":"removeExcludedAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalLpToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalRewardsEarned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"treasuryStake","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unlockAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"depositAmount","type":"uint256"},{"internalType":"uint256","name":"lpAmount","type":"uint256"},{"internalType":"uint256","name":"lockedUntil","type":"uint256"},{"internalType":"int256","name":"rewardDebt","type":"int256"},{"internalType":"enum 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Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000539bde0d7dbd336b79148aa742883198bbf60342000000000000000000000000d300322832765fee6b910d314f2c2d879427226f0000000000000000000000003d210e741cdedea81efcd9711ce7ef7fee45684b
-----Decoded View---------------
Arg [0] : _magic (address): 0x539bde0d7dbd336b79148aa742883198bbf60342
Arg [1] : _treasuryStake (address): 0xd300322832765fee6b910d314f2c2d879427226f
Arg [2] : _owner (address): 0x3d210e741cdedea81efcd9711ce7ef7fee45684b
-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000539bde0d7dbd336b79148aa742883198bbf60342
Arg [1] : 000000000000000000000000d300322832765fee6b910d314f2c2d879427226f
Arg [2] : 0000000000000000000000003d210e741cdedea81efcd9711ce7ef7fee45684b
Age | Block | Fee Address | BC Fee Address | Voting Power | Jailed | Incoming |
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