Contract Name:
WalletMonsters
Contract Source Code:
File 1 of 1 : WalletMonsters
// File: contracts/walletmonsters.sol
/**
*Submitted for verification at polygonscan.com on 2022-03-12
*/
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, 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 `from` to `to` 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 from,
address to,
uint256 amount
) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// File: @openzeppelin/contracts/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 v4.4.1 (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 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 {
_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: @openzeppelin/contracts/utils/Address.sol
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @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
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 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);
}
}
}
}
// File: @openzeppelin/contracts/utils/introspection/IERC165.sol
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
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);
}
// File: @openzeppelin/contracts/utils/introspection/ERC165.sol
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
/**
* @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;
}
}
// File: @openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
pragma solidity ^0.8.0;
/**
* @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.
*
* NOTE: 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.
*
* NOTE: 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);
}
// File: @openzeppelin/contracts/token/ERC1155/IERC1155.sol
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)
pragma solidity ^0.8.0;
/**
* @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;
}
// File: @openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the optional ERC1155MetadataExtension interface, as defined
* in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
*
* _Available since v3.1._
*/
interface IERC1155MetadataURI is IERC1155 {
/**
* @dev Returns the URI for token type `id`.
*
* If the `\{id\}` substring is present in the URI, it must be replaced by
* clients with the actual token type ID.
*/
function uri(uint256 id) external view returns (string memory);
}
// File: @openzeppelin/contracts/token/ERC1155/ERC1155.sol
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/ERC1155.sol)
pragma solidity ^0.8.0;
/**
* @dev Implementation of the basic standard multi-token.
* See https://eips.ethereum.org/EIPS/eip-1155
* Originally based on code by Enjin: https://github.com/enjin/erc-1155
*
* _Available since v3.1._
*/
contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
using Address for address;
// Mapping from token ID to account balances
mapping(uint256 => mapping(address => uint256)) private _balances;
// Mapping from account to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
// Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
string private _uri;
/**
* @dev See {_setURI}.
*/
constructor(string memory uri_) {
_setURI(uri_);
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC1155).interfaceId ||
interfaceId == type(IERC1155MetadataURI).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC1155MetadataURI-uri}.
*
* This implementation returns the same URI for *all* token types. It relies
* on the token type ID substitution mechanism
* https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
*
* Clients calling this function must replace the `\{id\}` substring with the
* actual token type ID.
*/
function uri(uint256) public view virtual override returns (string memory) {
return _uri;
}
/**
* @dev See {IERC1155-balanceOf}.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
require(account != address(0), "ERC1155: balance query for the zero address");
return _balances[id][account];
}
/**
* @dev See {IERC1155-balanceOfBatch}.
*
* Requirements:
*
* - `accounts` and `ids` must have the same length.
*/
function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
public
view
virtual
override
returns (uint256[] memory)
{
require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");
uint256[] memory batchBalances = new uint256[](accounts.length);
for (uint256 i = 0; i < accounts.length; ++i) {
batchBalances[i] = balanceOf(accounts[i], ids[i]);
}
return batchBalances;
}
/**
* @dev See {IERC1155-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
_setApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC1155-isApprovedForAll}.
*/
function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
return _operatorApprovals[account][operator];
}
/**
* @dev See {IERC1155-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) public virtual override {
require(
from == _msgSender() || isApprovedForAll(from, _msgSender()),
"ERC1155: caller is not owner nor approved"
);
_safeTransferFrom(from, to, id, amount, data);
}
/**
* @dev See {IERC1155-safeBatchTransferFrom}.
*/
function safeBatchTransferFrom(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) public virtual override {
require(
from == _msgSender() || isApprovedForAll(from, _msgSender()),
"ERC1155: transfer caller is not owner nor approved"
);
_safeBatchTransferFrom(from, to, ids, amounts, data);
}
/**
* @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `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 memory data
) internal virtual {
require(to != address(0), "ERC1155: transfer to the zero address");
address operator = _msgSender();
_beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data);
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
unchecked {
_balances[id][from] = fromBalance - amount;
}
_balances[id][to] += amount;
emit TransferSingle(operator, from, to, id, amount);
_doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
*
* Emits a {TransferBatch} event.
*
* Requirements:
*
* - 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[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
require(to != address(0), "ERC1155: transfer to the zero address");
address operator = _msgSender();
_beforeTokenTransfer(operator, from, to, ids, amounts, data);
for (uint256 i = 0; i < ids.length; ++i) {
uint256 id = ids[i];
uint256 amount = amounts[i];
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
unchecked {
_balances[id][from] = fromBalance - amount;
}
_balances[id][to] += amount;
}
emit TransferBatch(operator, from, to, ids, amounts);
_doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
}
/**
* @dev Sets a new URI for all token types, by relying on the token type ID
* substitution mechanism
* https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
*
* By this mechanism, any occurrence of the `\{id\}` substring in either the
* URI or any of the amounts in the JSON file at said URI will be replaced by
* clients with the token type ID.
*
* For example, the `https://token-cdn-domain/\{id\}.json` URI would be
* interpreted by clients as
* `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
* for token type ID 0x4cce0.
*
* See {uri}.
*
* Because these URIs cannot be meaningfully represented by the {URI} event,
* this function emits no events.
*/
function _setURI(string memory newuri) internal virtual {
_uri = newuri;
}
/**
* @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
* acceptance magic value.
*/
function _mint(
address to,
uint256 id,
uint256 amount,
bytes memory data
) internal virtual {
require(to != address(0), "ERC1155: mint to the zero address");
address operator = _msgSender();
_beforeTokenTransfer(operator, address(0), to, _asSingletonArray(id), _asSingletonArray(amount), data);
_balances[id][to] += amount;
emit TransferSingle(operator, address(0), to, id, amount);
_doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
*
* 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 _mintBatch(
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
require(to != address(0), "ERC1155: mint to the zero address");
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
address operator = _msgSender();
_beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
for (uint256 i = 0; i < ids.length; i++) {
_balances[ids[i]][to] += amounts[i];
}
emit TransferBatch(operator, address(0), to, ids, amounts);
_doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
}
/**
* @dev Destroys `amount` tokens of token type `id` from `from`
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `from` must have at least `amount` tokens of token type `id`.
*/
function _burn(
address from,
uint256 id,
uint256 amount
) internal virtual {
require(from != address(0), "ERC1155: burn from the zero address");
address operator = _msgSender();
_beforeTokenTransfer(operator, from, address(0), _asSingletonArray(id), _asSingletonArray(amount), "");
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
unchecked {
_balances[id][from] = fromBalance - amount;
}
emit TransferSingle(operator, from, address(0), id, amount);
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
*
* Requirements:
*
* - `ids` and `amounts` must have the same length.
*/
function _burnBatch(
address from,
uint256[] memory ids,
uint256[] memory amounts
) internal virtual {
require(from != address(0), "ERC1155: burn from the zero address");
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
address operator = _msgSender();
_beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
for (uint256 i = 0; i < ids.length; i++) {
uint256 id = ids[i];
uint256 amount = amounts[i];
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
unchecked {
_balances[id][from] = fromBalance - amount;
}
}
emit TransferBatch(operator, from, address(0), ids, amounts);
}
/**
* @dev Approve `operator` to operate on all of `owner` tokens
*
* Emits a {ApprovalForAll} event.
*/
function _setApprovalForAll(
address owner,
address operator,
bool approved
) internal virtual {
require(owner != operator, "ERC1155: setting approval status for self");
_operatorApprovals[owner][operator] = approved;
emit ApprovalForAll(owner, operator, approved);
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning, as well as batched variants.
*
* The same hook is called on both single and batched variants. For single
* transfers, the length of the `id` and `amount` arrays will be 1.
*
* Calling conditions (for each `id` and `amount` pair):
*
* - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* of token type `id` will be transferred to `to`.
* - When `from` is zero, `amount` tokens of token type `id` will be minted
* for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
* will be burned.
* - `from` and `to` are never both zero.
* - `ids` and `amounts` have the same, non-zero length.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
function _doSafeTransferAcceptanceCheck(
address operator,
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) private {
if (to.isContract()) {
try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
if (response != IERC1155Receiver.onERC1155Received.selector) {
revert("ERC1155: ERC1155Receiver rejected tokens");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("ERC1155: transfer to non ERC1155Receiver implementer");
}
}
}
function _doSafeBatchTransferAcceptanceCheck(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) private {
if (to.isContract()) {
try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
bytes4 response
) {
if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {
revert("ERC1155: ERC1155Receiver rejected tokens");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("ERC1155: transfer to non ERC1155Receiver implementer");
}
}
}
function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
uint256[] memory array = new uint256[](1);
array[0] = element;
return array;
}
}
// File: contracts/Official WM/walletmonsters_v3.sol
pragma solidity ^0.8.7;
//Created By The Suns Of DeFi | S.O.D
contract WalletMonsters is ERC1155, Ownable, IERC1155Receiver{
//state variable
uint256 nextId = 0;
uint256 eightHours = 28800;
uint256 escrowedAmountTotal = 0;
uint public faucetPrice;
address reserves;
address escrowedValut;
address payable public FULLSTACKCALI;
uint256 amountBurned = 0;
string public name;
string public symbol;
//Mappings
mapping(uint256 => Enjimon) private _tokenDetails;
mapping(address => uint) balance;
mapping(uint256 => uint256) public enjimonTVL;
mapping(address => mapping(uint => uint)) public _hold;
mapping(address => mapping(uint256 => bool))activeItems;
mapping(address => bool) public tokenApproved;
//Dapp Events
event bornDate(address from, string name, uint256 enjimonID, uint256 date);
event tokenSupplyMinted(address from, uint256 tokenID, uint256 amount, uint256 date);
event artifactMinted(address from, uint256 tokenID, uint256 amount, uint256 date);
event tokenSupplyBurned(address from, uint256 tokenID, uint256 amount, uint256 date);
event itemBurned(address from, uint256 tokenID, uint256 amount, uint256 date);
event enjimonSlayed(address from, uint256 tokenID, string name,uint256 TVL ,uint256 date);
event enjimonFed(address from, uint256 enjimonID, string name, uint256 lastFed );
event enjimonTrained(address from, uint256 enjimonID, string name, uint lastTrainded);
event transferEnjimon(address from, address to, uint256 tokenId, string name);
event transferItem(address from, address to, uint256 tokenId);
event burnedCount(uint256 tokenID, uint256 amount, uint256 date);
//Marketplace events
event itemAdded(uint256 id, uint256 tokenId, address tokenAddress,uint amount ,uint256 askingPrice);
event enjimonAdded(uint256 id, uint256 tokenId, address tokenAddress, uint256 askingPrice);
event itemSold(uint256 id, address buyer,uint256 amount, uint256 askingPrice);
event enjimonSold(uint256 id, address buyer,uint256 amount, uint256 askingPrice);
event itemRemoved(uint256 id, address seller, uint256 amount, uint256 askingPrice, uint256 date);
event enjimonRemoved(uint256 id, address seller, uint256 amount, uint256 askingPrice, uint256 date);
struct Enjimon {
string enjimonName;
string nickname;
uint256 healthPoints;
uint256 defense;
uint256 attack;
uint256 endurance;
uint256 level;
uint256 lastMeal;
uint256 lastTrained;
string enjimonType;
string sex;
uint256 TVL;
}
struct AuctionItem {
uint256 id;
address tokenAddress;
uint256 tokenId;
address payable seller;
uint256 askingPrice;
uint256 units;
bool isSold;
}
AuctionItem[] public itemsForSale;
//Market Modifiers
modifier OnlyItemOwner(address tokenAddress, uint256 tokenId)
{
IERC1155 tokenContract = IERC1155(tokenAddress);
require(tokenContract.balanceOf(msg.sender, tokenId) > 0);
_;
}
modifier HasTransferApproval(address tokenAddress, uint256 tokenId)
{
IERC1155 tokenContract = IERC1155(tokenAddress);
require(tokenContract.isApprovedForAll(msg.sender, address(this)) == true);
_;
}
modifier ItemExist(uint256 id)
{
require(id < itemsForSale.length && itemsForSale[id].id == id,"can't find id");
_;
}
modifier IsForSale(uint256 id)
{
require(itemsForSale[id].isSold == false,"id already sold");
_;
}
constructor() ERC1155("https://oxitcquxqc4e.usemoralis.com/{id}.json") {
reserves = 0xC686855C52C918Fb7b18E8dc149CFecF4Fa2E574;
FULLSTACKCALI = payable(msg.sender);
faucetPrice = 2500000000000000;
escrowedValut = address(this);
tokenApproved[0xf0AC573298AD3D3b28005B747B3442e1143444DE] = true;
name = "Wallet Monsters";
symbol = "WMON";
_mint(msg.sender, nextId, 10**8, ""); //UUJI
nextId++;
_mint(msg.sender, nextId, 10000**1, ""); //potions
nextId++;
_mint(msg.sender, nextId, 25000**1, ""); //eATK
nextId++;
_mint(msg.sender, nextId, 25000**1, ""); //eDef
nextId++;
_mint(msg.sender, nextId, 2000**1, ""); //elixer
nextId++;
_mint(msg.sender, nextId, 2500**1, ""); //walle
nextId++; //6
setApprovalForAll(address(this), true);
}
function onERC1155Received(
address operator,
address from,
uint256 id,
uint256 value,
bytes calldata data
) external override pure returns (bytes4)
{
return this.onERC1155Received.selector;
}
function onERC1155BatchReceived(
address operator,
address from,
uint256[] calldata ids,
uint256[] calldata values,
bytes calldata data
) external override pure returns (bytes4)
{
return this.onERC1155BatchReceived.selector;
}
function Randomness() private view returns (uint) {
return ((uint(keccak256(abi.encodePacked(block.difficulty, block.timestamp))) % 10)+ 1);
}
function mintMonster(string memory enjimonName, uint256 healthPoints, uint256 defense, uint256 attack, uint256 endurance, uint256 level, string memory enjimonType, string memory sex) public onlyOwner {
_tokenDetails[nextId] = Enjimon(enjimonName,"unnamed", healthPoints, defense, attack, endurance, level, block.timestamp, block.timestamp, enjimonType, sex, 0);
_mint(msg.sender, nextId, 1, "");
emit bornDate(msg.sender, enjimonName, nextId, block.timestamp);
nextId++;
}
function trainerMarket(uint256 itemId, uint256 amount) public {
require(msg.sender != FULLSTACKCALI, "Not allowed");
require(itemId != 0, "Invalid ID");
require(itemId != 1, "Invalid ID");
require(itemId < 4, "only eDEF, and eATK");
require(balanceOf(msg.sender, 0) >= (50 * amount), "not enough UUJI");
if(amount > 1){
uint txAmount = amount * 50;
uint txCost = txAmount / 2;
amountBurned+= txCost;
_burn(msg.sender, 0, txCost);
_safeTransferFrom(msg.sender, reserves, 0, txCost, "");
emit burnedCount(0, amountBurned, block.timestamp);
}
else
{
amountBurned+= 25;
_burn(msg.sender, 0, 25);
_safeTransferFrom(msg.sender, reserves, 0, 25, "");
emit burnedCount(0, amountBurned, block.timestamp);
}
_mint(msg.sender, itemId, amount, "");
if(isApprovedForAll(msg.sender, address(this)) == false){
setApprovalForAll(escrowedValut, true);
}
emit artifactMinted(msg.sender, itemId, amount, block.timestamp);
}
function burn(address account, uint256 id, uint256 amount) public onlyOwner {
require(id < 6, "cant burn $Enjimon");
if(id == 0)
{
require(amount < escrowedAmountTotal, "can't burn Escrowed value, decrease");
_burn(account, id, amount);
amountBurned+= amount;
emit tokenSupplyBurned(msg.sender, id, amount, block.timestamp);
emit burnedCount(0, amountBurned, block.timestamp);
}
else
{
_burn(account, id, amount);
amountBurned+= amount;
emit itemBurned(msg.sender, id, amount, block.timestamp);
emit burnedCount(0, amountBurned, block.timestamp);
}
}
function useWaly(address token,uint tokenId) public {
require(tokenApproved[token] == true, "We don't accept those");
require(tokenId != 0 && tokenId < 6);
require(balanceOf(FULLSTACKCALI, tokenId) >= 50, "Reserves Depleted.");
IERC20(token).transferFrom(msg.sender, reserves, 50000 *(10**18));
_safeTransferFrom(FULLSTACKCALI, msg.sender, tokenId, 1, '');
}
function faucet() payable public returns(uint UUJIs){
require(balanceOf(FULLSTACKCALI, 0) >= 50, "faucet is empty, check later.");
require(msg.value >= faucetPrice, "Not enough to cover tx");
FULLSTACKCALI.transfer(msg.value);
_safeTransferFrom(FULLSTACKCALI, msg.sender, 0, 50, '');
return UUJIs;
}
function setFaucet(uint _cost) public onlyOwner returns(uint){
faucetPrice = _cost;
return faucetPrice;
}
//$Enjimon interaction logic
function slay(address account, uint256 amount, uint256 enjimonId) public
{
require(enjimonId >= 6, "only slay $Enjimon");
require(balanceOf(msg.sender, enjimonId) > 0, "Not your $Enjimon");
require(_hold[msg.sender][enjimonId] == 0, "$Enjimon unavailable");
Enjimon storage enjimon =_tokenDetails[enjimonId];
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon reached Immutable Death");
require(enjimon.TVL > 0, "Can Not slay yet");
uint256 _amount = enjimonTVL[enjimonId];
enjimonTVL[enjimonId] = 0;
enjimon.TVL = 0;
_safeTransferFrom(escrowedValut, msg.sender, 0, _amount, "");
_burn(account, enjimonId, amount);
emit enjimonSlayed(msg.sender, enjimonId, enjimon.enjimonName,_amount ,block.timestamp);
}
function feed(uint256 tokenId) public {
require(tokenId >= 6, "invalid ID");
require(balanceOf(msg.sender, tokenId) > 0);
Enjimon storage enjimon = _tokenDetails[tokenId];
uint uujiBalance = balanceOf(msg.sender, 0);
if(_hold[msg.sender][0] > 0){
uint256 restrictedUnits = _hold[msg.sender][0];
uint256 txFee = (50 + (27 + enjimon.level)) + restrictedUnits;
require(uujiBalance > txFee, "exceeds available UUJIs");
}
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon reached Immutable Death");
require(uujiBalance > (50 + (27 + enjimon.level)), "Not enough UUJI Tokens");
_burn(msg.sender, 0, 25 );
_escrow(25, tokenId);
_safeTransferFrom(msg.sender, reserves, 0, 27 + enjimon.level, "");
amountBurned+= 25;
enjimon.lastMeal = block.timestamp;
enjimon.TVL+= 25;
escrowedAmountTotal+= 25;
emit enjimonFed(msg.sender, tokenId, enjimon.enjimonName, block.timestamp);
emit burnedCount(0, amountBurned, block.timestamp);
}
function train(uint256 tokenId) public {
require(tokenId >= 6, "invalid ID");
require(balanceOf(msg.sender, tokenId) > 0);
Enjimon storage enjimon =_tokenDetails[tokenId];
uint uujiBalance = balanceOf(msg.sender, 0);
if(_hold[msg.sender][0] > 0){
uint256 restrictedUnits = _hold[msg.sender][0];
uint256 txFee = (100 + (27 + enjimon.level)) + restrictedUnits;
require(uujiBalance > txFee, "UUJI unavailable");
}
require(block.timestamp > enjimon.lastTrained + eightHours);
require(uujiBalance > (100 + (27 + enjimon.level)), "Not enough UUJI");
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon reached Immutable Death");
_burn(msg.sender, 0, 50 );
_escrow(50, tokenId);
_safeTransferFrom(msg.sender, reserves, 0, 27 + enjimon.level, "");
amountBurned+= 50;
uint index = Randomness();
enjimon.lastTrained = block.timestamp;
enjimon.level+=1;
enjimon.endurance+=(3600 + index);
enjimon.defense+=(2 + index);
enjimon.attack+=(1 + index);
enjimon.healthPoints+=index;
enjimon.TVL+= 50;
escrowedAmountTotal+= 50;
emit enjimonTrained(msg.sender, tokenId, enjimon.enjimonName, block.timestamp);
emit burnedCount(0, amountBurned, block.timestamp);
}
function givePotion(uint256 tokenId) public {
require(tokenId >= 6, "Invalid ID");
require(balanceOf(msg.sender, 1) > 0);
require(balanceOf(msg.sender, tokenId) > 0);
if(_hold[msg.sender][1] > 0){
uint256 restrictedUnits = _hold[msg.sender][1];
require(balanceOf(msg.sender, 1) > restrictedUnits);
}
Enjimon storage enjimon =_tokenDetails[tokenId];
uint uujiBalance = balanceOf(msg.sender, 0);
require(uujiBalance > 10, "Not enough UUJI");
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon reached Immutable Death");
_burn(msg.sender, 0, 5);
_burn(msg.sender, 1, 1);
_safeTransferFrom(msg.sender, reserves, 0, 5, "");
amountBurned+= 5;
uint index = Randomness();
index+=5;
enjimon.healthPoints+=index;
emit burnedCount(0, amountBurned, block.timestamp);
}
function giveEATK(uint256 tokenId) public{
require(tokenId >= 6, "Invalid ID");
require(balanceOf(msg.sender, 2) > 0);
require(balanceOf(msg.sender, tokenId) > 0);
if(_hold[msg.sender][2] > 0){
uint256 restrictedUnits = _hold[msg.sender][2];
require(balanceOf(msg.sender, 2) > restrictedUnits);
}
Enjimon storage enjimon =_tokenDetails[tokenId];
uint uujiBalance = balanceOf(msg.sender, 0);
require(uujiBalance > 10, "Not enough UUJI");
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon reached Immutable Death");
_burn(msg.sender, 0, 5); //burn uuji
_burn(msg.sender, 2, 1); //burn eATK
_safeTransferFrom(msg.sender, reserves, 0, 5, "");
amountBurned+= 5;
uint index = Randomness();
enjimon.attack+=index;
emit burnedCount(0, amountBurned, block.timestamp);
}
function giveEDEF(uint256 tokenId) public{
require(tokenId >= 6, "Invalid ID");
require(balanceOf(msg.sender, 3) > 0);
require(balanceOf(msg.sender, tokenId) > 0);
if(_hold[msg.sender][3] > 0){
uint256 restrictedUnits = _hold[msg.sender][3];
require(balanceOf(msg.sender, 3) > restrictedUnits);
}
Enjimon storage enjimon =_tokenDetails[tokenId];
uint uujiBalance = balanceOf(msg.sender, 0);
require(uujiBalance > 10, "Not enough UUJI");
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon reached Immutable Death");
_burn(msg.sender, 0, 5);
_burn(msg.sender, 3, 1);
_safeTransferFrom(msg.sender, reserves, 0, 5, "");
amountBurned+= 5;
uint index = Randomness();
enjimon.defense+=index;
emit burnedCount(0, amountBurned, block.timestamp);
}
function giveElixer(uint256 tokenId) public{
require(tokenId >= 6, "Invalid ID");
require(balanceOf(msg.sender, 4) > 0, "no elixers!");
require(balanceOf(msg.sender, tokenId) > 0);
if(_hold[msg.sender][4] > 0){
uint256 restrictedUnits = _hold[msg.sender][4];
require(balanceOf(msg.sender, 4) > restrictedUnits);
}
Enjimon storage enjimon =_tokenDetails[tokenId];
uint uujiBalance = balanceOf(msg.sender, 0);
require(uujiBalance > 10, "Not enough UUJI Tokens");
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon reached Immutable Death");
_burn(msg.sender, 0, 5);
_burn(msg.sender, 4, 1);
_safeTransferFrom(msg.sender, reserves, 0, 5, "");
amountBurned+= 5;
uint index = Randomness();
enjimon.healthPoints+= index;
enjimon.level+= 1;
enjimon.endurance+=(900 + index);
enjimon.defense+=1;
enjimon.attack+=1;
emit burnedCount(0, amountBurned, block.timestamp);
}
function giveWalle(uint256 tokenId)public{
require(tokenId >= 6, "Invalid ID");
require(balanceOf(msg.sender, 5) > 0, "no walle");
require(balanceOf(msg.sender, tokenId) > 0);
Enjimon storage enjimon =_tokenDetails[tokenId];
_burn(msg.sender, 5, 1);
enjimon.lastMeal = block.timestamp;
}
function _escrow(uint amount, uint tokenId) private {
uint256 previousEnjimonBalance = enjimonTVL[tokenId];
enjimonTVL[tokenId] += amount;
_safeTransferFrom(msg.sender, escrowedValut, 0, amount, "");
assert((enjimonTVL[tokenId] - amount) == previousEnjimonBalance);
}
function getTokenDetails(uint256 tokenId) public view returns(Enjimon memory){
return _tokenDetails[tokenId];
}
function giveEnjimonName(uint enjimonId, string memory _name) public returns(string memory nickname)
{
require(enjimonId >= 6, "You can only name $Enjimon!");
require(balanceOf(msg.sender, enjimonId) > 0, "you can only give your $Enjimon nickname!");
require(balanceOf(msg.sender, 0) > 10, "not enough UUJI");
Enjimon storage enjimon =_tokenDetails[enjimonId];
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon reached Immutable Death");
_burn(msg.sender, 0, 5);
_safeTransferFrom(msg.sender, reserves, 0, 3, "");
_escrow(2, enjimonId);
amountBurned+= 5;
enjimon.nickname = _name;
enjimon.TVL+= 2;
escrowedAmountTotal+= 2;
emit burnedCount(0, amountBurned, block.timestamp);
return enjimon.nickname;
}
//requires enjimon to be alive or they can never transfer the token
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
uint256 amount,
bytes memory data
) public virtual override {
require(
from == _msgSender() || isApprovedForAll(from, _msgSender()),
"ERC1155: caller is not owner nor approved"
);
if(tokenId >= 6 ){
Enjimon storage enjimon =_tokenDetails[tokenId];
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon reached Immutable Death");
require(_hold[msg.sender][tokenId] == 0, "$Enjimon unavailable");
_safeTransferFrom(from, to, tokenId, 1, data);
emit transferEnjimon(msg.sender, to, tokenId, enjimon.enjimonName);
}
else{
if(_hold[msg.sender][0] > 0){
uint uujiBalance = balanceOf(msg.sender, 0);
uint256 restrictedUnits = _hold[msg.sender][0];
require(uujiBalance > restrictedUnits);
require(amount <= (uujiBalance - restrictedUnits));
}
else if(_hold[msg.sender][tokenId] > 0)
{
uint totalItems = balanceOf(msg.sender, tokenId);
uint256 restrictedUnits = _hold[msg.sender][tokenId];
require(balanceOf(from, tokenId) > restrictedUnits);
require(amount <= (totalItems - restrictedUnits));
}
_safeTransferFrom(from, to, tokenId, amount, data);
emit transferItem(from, to, tokenId);
}
}
//Market functionality
function additemToMarket(uint256 tokenId, uint256 units, uint256 askingPrice) OnlyItemOwner(address(this),tokenId) HasTransferApproval(address(this),tokenId) public returns(uint256){
require(tokenId < 6, "Invalid ID");
require(balanceOf(msg.sender, tokenId) >= units, "not enough tokens available!");
_hold[msg.sender][tokenId] += units;
uint256 newItemId = itemsForSale.length;
itemsForSale.push(AuctionItem(newItemId, address(this), tokenId, payable(msg.sender), askingPrice, units, false));
activeItems[address(this)][tokenId] = true;
setApprovalForAll(escrowedValut, true);
assert(itemsForSale[newItemId].id == newItemId);
emit itemAdded(newItemId, tokenId, address(this), units ,askingPrice);
return newItemId;
}
function addEnjimonToMarket(uint256 tokenId, uint256 askingPrice) OnlyItemOwner(address(this),tokenId) HasTransferApproval(address(this),tokenId) public returns(uint256){
require(tokenId >= 6, "Invalid ID");
require(balanceOf(msg.sender, tokenId) == 1, "no $Enjimon");
require(activeItems[address(this)][tokenId] == false,"Item for sale already");
Enjimon storage enjimon =_tokenDetails[tokenId];
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon in Immutable Death");
_hold[msg.sender][tokenId] = 1;
uint256 newItemId = itemsForSale.length;
itemsForSale.push(AuctionItem(newItemId, address(this), tokenId, payable(msg.sender), askingPrice, 1, false));
activeItems[address(this)][tokenId] = true;
setApprovalForAll(escrowedValut, true);
assert(itemsForSale[newItemId].id == newItemId);
emit enjimonAdded(newItemId, tokenId, address(this), askingPrice);
return newItemId;
}
function buyItem(uint256 id) payable public ItemExist(id) IsForSale(id) {
require(msg.sender != itemsForSale[id].seller, "cannot buy your own item, remove instead");
require(msg.value >= itemsForSale[id].askingPrice, "Not enough funds sent");
require(balanceOf(msg.sender, 0) >= 10, "You nedd 10 UUJI min.");
if(itemsForSale[id].tokenId >= 6)
{
Enjimon storage enjimon =_tokenDetails[itemsForSale[id].tokenId];
require(enjimon.lastMeal + enjimon.endurance > block.timestamp, "$Enjimon's in Immutable Death");
_hold[itemsForSale[id].seller][itemsForSale[id].tokenId] = 0;
itemsForSale[id].isSold = true;
activeItems[itemsForSale[id].tokenAddress][itemsForSale[id].tokenId] = false;
_safeTransferFrom(itemsForSale[id].seller, msg.sender, itemsForSale[id].tokenId, 1, '');
itemsForSale[id].seller.transfer(msg.value);
//UUJI Fees
_safeTransferFrom(msg.sender, itemsForSale[id].seller, 0, 5, '');
_safeTransferFrom(msg.sender, FULLSTACKCALI, 0, 2, '');
_burn(msg.sender, 0, 3);
amountBurned+=3;
emit enjimonSold(id, msg.sender, 1 ,itemsForSale[id].askingPrice);
emit burnedCount(0, amountBurned, block.timestamp);
}
else
{
_hold[itemsForSale[id].seller][itemsForSale[id].tokenId]-= itemsForSale[id].units;
itemsForSale[id].isSold = true;
activeItems[itemsForSale[id].tokenAddress][itemsForSale[id].tokenId] = false;
_safeTransferFrom(itemsForSale[id].seller, msg.sender, itemsForSale[id].tokenId, itemsForSale[id].units, '');
itemsForSale[id].seller.transfer(msg.value);
_safeTransferFrom(msg.sender, itemsForSale[id].seller, 0, 5, '');
_safeTransferFrom(msg.sender, FULLSTACKCALI, 0, 2, '');
_burn(msg.sender, 0, 3);
amountBurned+=3;
emit itemSold(id, msg.sender, itemsForSale[id].units ,itemsForSale[id].askingPrice);
emit burnedCount(0, amountBurned, block.timestamp);
}
}
function removeItem(uint256 id) public ItemExist(id) IsForSale(id) returns(bool success){
require(msg.sender == itemsForSale[id].seller);
activeItems[itemsForSale[id].tokenAddress][itemsForSale[id].tokenId] = false;
itemsForSale[id].isSold = true;
_hold[msg.sender][itemsForSale[id].tokenId] -= itemsForSale[id].units;
delete itemsForSale[id];
if(itemsForSale[id].tokenId >= 6){
emit enjimonRemoved(id, msg.sender, itemsForSale[id].units , itemsForSale[id].askingPrice, block.timestamp);
}else{
emit itemRemoved(id, msg.sender, itemsForSale[id].units , itemsForSale[id].askingPrice, block.timestamp);
}
return success;
}
}