Contract Name:
PioneerPass
Contract Source Code:
// SPDX-License-Identifier: MIT
// Creator: @casareafer at 1TM.io
/*
_______ _____ _____ _____ _____
/::\ \ /\ \ /\ \ /\ \ /\ \
/::::\ \ /::\____\ /::\ \ /::\ \ /::\____\
/::::::\ \ /::::| | /::::\ \ /::::\ \ /:::/ /
/::::::::\ \ /:::::| | /::::::\ \ /::::::\ \ /:::/ /
/:::/~~\:::\ \ /::::::| | /:::/\:::\ \ /:::/\:::\ \ /:::/ /
/:::/ \:::\ \ /:::/|::| | /:::/__\:::\ \ /:::/ \:::\ \ /:::/ /
/:::/ / \:::\ \ /:::/ |::| | /::::\ \:::\ \ /:::/ \:::\ \ /:::/ /
/:::/____/ \:::\____\ /:::/ |::| | _____ /::::::\ \:::\ \ /:::/ / \:::\ \ /:::/ / _____
|:::| | |:::| | /:::/ |::| |/\ \ /:::/\:::\ \:::\ \ /:::/ / \:::\ \ /:::/____/ /\ \
|:::|____| |:::| |/:: / |::| /::\____\/:::/__\:::\ \:::\____\/:::/____/ \:::\____\|:::| / /::\____\
\:::\ \ /:::/ / \::/ /|::| /:::/ /\:::\ \:::\ \::/ /\:::\ \ \::/ /|:::|____\ /:::/ /
\:::\ \ /:::/ / \/____/ |::| /:::/ / \:::\ \:::\ \/____/ \:::\ \ \/____/ \:::\ \ /:::/ /
\:::\ /:::/ / |::|/:::/ / \:::\ \:::\ \ \:::\ \ \:::\ \ /:::/ /
\:::\__/:::/ / |::::::/ / \:::\ \:::\____\ \:::\ \ \:::\ /:::/ /
\::::::::/ / |:::::/ / \:::\ \::/ / \:::\ \ \:::\__/:::/ /
\::::::/ / |::::/ / \:::\ \/____/ \:::\ \ \::::::::/ /
\::::/ / /:::/ / \:::\ \ \:::\ \ \::::::/ /
\::/____/ /:::/ / \:::\____\ \:::\____\ \::::/ /
~~ \::/ / \::/ / \::/ / \::/____/
\/____/ \/____/ \/____/ ~~
_______________________
// __..--~~~~--..__ \\
||___/ | | | | \ __/ |
|| / ___________ \ |
||_/ /.......... \ | |
| | /.......... \ | |
_____________________| | /........... \ | |________________
; . . . . |_| |........... | | | .''."... ... .
___ ..~. _.' | |.......... | | | . ~
. ' . / \_.| |.......... | | |\ ~. ._..---._
|. /| \ \............ / / |/ . /\ /\
'""" ... ~~~ | \|| _\ \............ / /-.__| // ~-._./ -\
..~ | |_.~\\ \_____________/ /// '.| /__ __.\
___ ..~. |_.~ \\_______________// _ ~-. ~~~~.. ~~~~~.
.~ -. \__.---.________/ ______\.
.''."... ... ./\ _| |---| = |__ \__\===\ '""" ... ~~~
/ '. . |_|= |---| | _| \======\ ___ ..~.
..~ / . \ |= |___| || __. \
/ _ |_______________| _. \
.''."... ./ / \___ ~~ \ \ '" .. ~~
/ '' / \ / \ /\
___ . / -- . /' __\____/ ____\___.' -- \ ___ ..~.
/ / / \\ -- _____// ~ - . \
..-- /_..- ./. / _/ _|___ \\ . - _/)
/ ___ ./|__ / _/ (_____ / \\ . \ ~ / .
. /___////_ / | / _/ (_____ \ \\ _./ ..__/
/___/__/_ \ / _| /__/ _-- (_____ \: \\_____________/ ._
_ / \ /_.' | / / (_________/ ~~-|
/ // _|/ /- . __ |..~. _____ -.. ' "
..\==========/' \_/ _/ __ ___.. / \|
/ _____ \'.______/___....------......__\__/|
' | \ |\__________________|__|___/| ~~~~~.. - ~ '
~ | _ \ /~ \ \ -- / \
| | | | | \_| | \ \ ~ // |
_. |_| | | | . |-----.. \ / /- __|..~. _____ -.. ' "
|_|_|_| _. | \_ \\ _ ./ ___|
~~~ .. - ~ ' | \__\___/__...------ | ~~~~~.. - ~ '
| .- | | . __ |
| __.. | | ______ | . ~
..~. _ __ -.. ' \ __| | | | | _ .
/ | | ~ |__.___|. |
| __ | | | | | .. '
~~~~~.. - ~ ' | '' / \ | | |___ __.
.... - | _____... | | \______/ | ~~~~~.. - ~ '
| / '--| | ~~ |
~.. - ~ ' |/ | | __---- .. | . . _
||____......._| | |
|---- | | | ~~~~~.. - ~ '
'""" ... ~~~ | -. | | _.. |
| .. // | | _~"". .
| - \ | __----. .. \
~~~.. - ~ ' |_____________| |_______________/
\_____________| |______________/ ' ... __ ~
/ ----- \ /----------- \
__~~.. - ~ ' /___ ----\ /--...___ \
/ ..-- | | __.. ___./ . . ~
- ~ '.. \ __________./ |_____________/ . - ~ ' ~~~~
..._____~~~~~~JRO\___________/ \___________/ -_______...._____
.. ___ . ~~~~~~~~~~~. __\ ~~~~~~~~~~~~~... _ ~
__ .... '' ..."" ....''' -_~~~ ~~~...
*/
pragma solidity ^0.8.17;
import "./PioneerPassToken.sol";
contract PioneerPass is PioneerPassToken {
string public name = "1CU Pioneer Pass";
string public symbol = "PNRP";
constructor(string memory _contractURI, address royaltyAddress) PioneerPassToken(_contractURI, royaltyAddress){}
function mint(bytes32[] calldata _merkleProof, uint256 _passId, uint16 _amount, bool whitelisted) external payable callerIsUser {
Library.Pass storage pass = passIdToCollectionPass[_passId];
require(pass.passId > 0, "Invalid Pass");
require(pass.preSale || pass.publicSale, "No active sales");
if (whitelisted) {
require(!PioneerPassStorage.whitelistMinted[msg.sender][_passId], "Already minted");
require(Library.ValidatePresaleMint(pass, _amount, true, _merkleProof));
PioneerPassStorage.whitelistMinted[msg.sender][_passId] = true;
} else if (pass.preSale) {
require(_passId != 1, "No pre-sale for the ark");
require(!PioneerPassStorage.presaleMinted[msg.sender][_passId], "Already minted");
for (uint bar = 0; bar < _passId - 1; bar++) {
require(balanceOf(msg.sender, passIdIndex[bar]) > 0, "Does not own previous tokens");
}
require(Library.ValidatePresaleMint(pass, _amount, false, _merkleProof));
PioneerPassStorage.presaleMinted[msg.sender][_passId] = true;
} else {
uint16 _hodls;
if (balanceOf(msg.sender, passIdIndex[0]) > 0) {
if (_passId > 1) {
for (uint bar = 0; bar < _passId - 1; bar++) {
if (balanceOf(msg.sender, passIdIndex[bar]) > 0) {
_hodls += 1;
}
}
}
}
else {
_hodls = 0;
}
require(Library.ValidatePublicMint(pass, _amount, _hodls));
}
pass.totalMinted += _amount;
_mint(msg.sender, _passId, _amount, "");
}
function reservedMints(uint256 _passId, uint16 _amount) external payable onlyOwner {
Library.Pass storage pass = passIdToCollectionPass[_passId];
require(pass.passId > 0, "Invalid Pass");
require(pass.maxSupply >= _amount + pass.totalMinted, "Exceeds available supply");
pass.totalMinted += _amount;
_mint(msg.sender, _passId, _amount, "");
}
}
// SPDX-License-Identifier: MIT
// Creator: @casareafer at 1TM.io
pragma solidity ^0.8.17;
import "./openzeppelin/ERC1155.sol";
import "./openzeppelin/Ownable.sol";
import "./PioneerPassLibrary.sol";
import "./PioneerPassStorage.sol";
import "./PioneerPassUtils.sol";
import "./ContractURI.sol";
import "./Staking.sol";
contract PioneerPassToken is ERC1155, Ownable, PioneerPassStorage, ContractURI, Stacking, PioneerPassUtils {
address private royaltiesTeamWallet;
mapping(uint256 => bool) private transfersLock;
constructor(string memory _contractURI, address _royaltyAddress){
_setContractURI(_contractURI);
royaltiesTeamWallet = _royaltyAddress;
}
/**
* Pause control
*/
function setTransfersLock(uint256 _passId, bool _value) external onlyOwner {
transfersLock[_passId] = _value;
}
/**
* Royalties - EIP2981
*/
function royaltyInfo(uint256 _passId, uint256 _salePrice) external view
returns (address receiver, uint256 royaltyAmount)
{
if (_passId == 1) {
return (royaltiesTeamWallet, _salePrice * 80 / 1000);
} else
{
return (royaltiesTeamWallet, _salePrice * 50 / 1000);
}
}
function setRoyaltyAddress(address _teamWallet) external onlyOwner {
royaltiesTeamWallet = _teamWallet;
}
/**
* Burn implementation
*/
function burn(
address from,
uint id,
uint256 amount
) external {
require(
from == _msgSender() || isApprovedForAll(from, _msgSender()),
"ERC1155: caller is not token owner nor approved"
);
_burn(from, id, amount);
}
/**
* Token & Contract metadata
*/
function setContractURI(string memory _contractURI) external onlyOwner {
_setContractURI(_contractURI);
}
function setUri(uint256 _tokenId, string memory _tokenURI) external onlyOwner {
_tokenURIs[_tokenId] = _tokenURI;
}
function uri(uint256 _passId)
external
view
override
returns (string memory)
{
require(passIdToCollectionPass[_passId].passId != 0, "Invalid pass");
return string(
abi.encodePacked(_baseURI, _tokenURIs[_passId])
);
}
/**
* Withdraw
*/
function withdraw() external onlyOwner {
payable(owner()).transfer(address(this).balance);
}
/**
* Stacking & Transfers lock require these overrides
*/
function _beforeTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal override(ERC1155) {
for (uint bar = 0; bar < ids.length; bar++) {
require(!transfersLock[ids[bar]], "Transfers locked");
}
super._beforeTokenTransfer(operator, from, to, ids, amounts, data);
}
function _afterTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal override(ERC1155) {
super._afterTokenTransfer(operator, from, to, ids, amounts, data);
Stacking.stakeTransfer(ids, amounts, to, from);
}
}
// SPDX-License-Identifier: MIT
// Creator: @casareafer at 1TM.io
pragma solidity ^0.8.17;
import "./openzeppelin/Ownable.sol";
import "./PioneerPassLibrary.sol";
contract PioneerPassStorage is Ownable {
mapping(address => mapping(uint256 => bool)) internal presaleMinted;
mapping(address => mapping(uint256 => bool)) internal whitelistMinted;
mapping(uint256 => Library.Pass) internal passIdToCollectionPass;
uint256[] internal passIdIndex;
/**
* Retrieve a PioneerPass details
*/
function getPioneerPassDetails(uint256 _passId) external view returns (Library.Pass memory){
require(passIdToCollectionPass[_passId].passId != 0, "Invalid Pass");
return passIdToCollectionPass[_passId];
}
/**
* Utils - Checks if the wallet address already minted
*/
function getMinted(uint256 _passId, address _account) external view returns (bool presale, bool whitelist) {
return (presaleMinted[_account][_passId], whitelistMinted[_account][_passId]);
}
/**
* Adds a new type of Pioneer Pass
*/
function addPass(
uint256 _passId,
uint16 _maxSupply,
uint8 _maxMint,
uint24 _stakingPoints,
bytes32 _whitelistMerkleRoot,
uint256 _mintPrice,
uint256 _whitelistPrice,
uint256 _hodlersPrice
) external onlyOwner {
require(_passId != 0, "Invalid Id");
require(passIdToCollectionPass[_passId].passId != _passId, "Pass ID duplicate");
Library.Pass memory pass = Library.Pass(
false,
false,
_maxSupply,
0,
_maxMint,
_stakingPoints,
_whitelistMerkleRoot,
_passId,
_mintPrice,
_whitelistPrice,
_hodlersPrice
);
passIdToCollectionPass[_passId] = pass;
passIdIndex.push(_passId);
}
/**
* Utils - Modify PioneerPass types
*/
function updatePass(
uint256 _passId,
uint8 _maxMint,
uint16 _maxSupply,
uint16 _stackingPoints,
bytes32 _merkleRoot,
uint256 _mintPrice,
uint256 _whitelistPrice,
uint256 _hodlersPrice
) external onlyOwner {
passIdToCollectionPass[_passId].maxSupply = _maxSupply;
passIdToCollectionPass[_passId].stakingPoints = _stackingPoints;
passIdToCollectionPass[_passId].maxMint = _maxMint;
passIdToCollectionPass[_passId].whitelistMerkleRoot = _merkleRoot;
passIdToCollectionPass[_passId].mintPrice = _mintPrice;
passIdToCollectionPass[_passId].whitelistPrice = _whitelistPrice;
passIdToCollectionPass[_passId].hodlersPrice = _hodlersPrice;
}
function setSaleStatus(uint256 _passId, bool _presale, bool _publicSale) external onlyOwner {
passIdToCollectionPass[_passId].publicSale = _publicSale;
passIdToCollectionPass[_passId].preSale = _presale;
}
}
// SPDX-License-Identifier: MIT
// Creator: @casareafer at 1TM.io
pragma solidity ^0.8.17;
contract PioneerPassUtils {
modifier callerIsUser() {
require(tx.origin == msg.sender, "The caller is another contract");
_;
}
}
// SPDX-License-Identifier: MIT
// Creator: @casareafer at 1TM.io
pragma solidity ^0.8.17;
import "./openzeppelin/MerkleProof.sol";
library Library {
struct Pass {
bool publicSale;
bool preSale;
uint16 maxSupply;
uint16 totalMinted;
uint8 maxMint;
uint24 stakingPoints;
bytes32 whitelistMerkleRoot;
uint256 passId;
uint256 mintPrice;
uint256 whitelistPrice;
uint256 hodlersPrice;
}
/**
* Public sale validation
* Mint price -> For anyone in the public sale
* Mint price with discount -> If you hold the ark, you get starting 3% + 3% per held token-type
*/
function ValidatePublicMint(
Pass memory pass,
uint16 _amount,
uint16 _hodls
) public view returns (bool){
require(pass.maxSupply >= (_amount + pass.totalMinted), "Exceeds available supply");
require(msg.value >= ((pass.mintPrice) - ((pass.mintPrice * (_hodls * 30)) / 1000)) * _amount, "Invalid tx amount");
require(_amount <= pass.maxMint, "Too many mints");
return true;
}
/**
* Presale validation
* Hodlers price -> For holders of all preceding moments
* Whitelist price -> For people in the whitelist
*/
function ValidatePresaleMint(
Pass memory pass,
uint16 _amount,
bool _whitelisted,
bytes32[] calldata merkleProof
) public view returns (bool){
require(pass.maxSupply >= (_amount + pass.totalMinted), "Exceeds available supply");
require(_amount <= pass.maxMint, "Too many mints");
if (_whitelisted) {
require(MerkleProof.verify(
merkleProof, pass.whitelistMerkleRoot, keccak256(abi.encodePacked(msg.sender))
), "Invalid proof");
require(msg.value == pass.whitelistPrice * _amount, "Invalid tx amount");
} else {
require(msg.value == pass.hodlersPrice * _amount, "Invalid tx amount");
}
return true;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.17;
import "./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() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev 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);
}
}
// SPDX-License-Identifier: MIT
// Creator: @casareafer at 1TM.io
pragma solidity ^0.8.17;
import "./openzeppelin/Ownable.sol";
import "./PioneerPassLibrary.sol";
contract Stacking is Ownable {
/**
* Stores the time when the staking for a token type starts - block.timestamp
*/
mapping(uint256 => uint256) private StackingTimer;
/**
* Stores whenever the Staking timer already started - It starts once after the first mint of a pass
*/
mapping(uint256 => bool) private BoOoOmBaby;
/**
* Stores a Timestamp per owned token type in an address
*/
mapping(address => mapping(uint256 => uint256[])) private lastBoughtTimestamp;
/**
* Staking Point x (Days holding / Total days from the presale)
*
* NOTE: SELLING YOUR TOKENS ERASE YOUR HOLDING TIME >:)
*
* MORE NOTES: SELLING YOUR TOKENS WILL ERASE YOUR HOLDING TIME STARTING FROM THE
* LATEST BOUGHT TOKEN ;)
*/
function stakeTransfer(uint256[] memory _passId, uint256[] memory _amount, address _to, address _from) internal {
if (_from != address(0)) {
for (uint foo = 0; foo < _passId.length; foo++) {
for (uint bar = 0; bar < _amount[foo]; bar++) {
lastBoughtTimestamp[_to][_passId[foo]].push(block.timestamp);
lastBoughtTimestamp[_from][_passId[foo]].pop();
}
}
} else if (_to == address(0)) {
for (uint bar = 0; bar < _amount[0]; bar++) {
lastBoughtTimestamp[_from][_passId[0]].pop();
}
} else {
if (BoOoOmBaby[_passId[0]] != true) {
BoOoOmBaby[_passId[0]] = true;
StackingTimer[_passId[0]] = block.timestamp;
}
for (uint i = 0; i < _amount[0]; i++) {
lastBoughtTimestamp[_to][_passId[0]].push(block.timestamp);
}
}
}
/**
* Get Stacking info
*/
function getStakingTimer(uint256 _passId) external view returns (uint256){
return StackingTimer[_passId];
}
function getStakes(uint256 _passId, address _user) external view returns (uint256[] memory){
return lastBoughtTimestamp[_user][_passId];
}
}
// SPDX-License-Identifier: MIT
// Creator: @casareafer at 1TM.io
pragma solidity ^0.8.17;
contract ContractURI {
string internal contractURI_ = "";
function _setContractURI(string memory _contractURI) internal {
contractURI_ = _contractURI;
}
function contractURI() external view returns (string memory) {
return contractURI_;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/ERC1155.sol)
pragma solidity ^0.8.17;
import "./ERC1155URIStorage.sol";
import "./interfaces/IERC1155Receiver.sol";
import "./Address.sol";
import "./Context.sol";
import "./ERC165.sol";
abstract contract ERC1155 is Context, ERC165, ERC1155URIStorage {
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;
/**
* Uri override
*/
function uri(uint256 id) external view virtual override returns (string memory);
/**
* @dev See {IERC1155-balanceOf}.
* Passing the 0 address will return the amount of burnt tokens
*/
function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
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 token 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: caller is not token 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();
uint256[] memory ids = _asSingletonArray(id);
uint256[] memory amounts = _asSingletonArray(amount);
_beforeTokenTransfer(operator, from, to, ids, amounts, 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);
_afterTokenTransfer(operator, from, to, ids, amounts, data);
_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);
_afterTokenTransfer(operator, from, to, ids, amounts, data);
_doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
}
/**
* @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();
uint256[] memory ids = _asSingletonArray(id);
uint256[] memory amounts = _asSingletonArray(amount);
_beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
_balances[id][to] += amount;
emit TransferSingle(operator, address(0), to, id, amount);
_afterTokenTransfer(operator, address(0), to, ids, amounts, data);
_doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
}
/**
* @dev Destroys `amount` tokens of token type `id` from `from`
*
* Emits a {TransferSingle} event.
*
* 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();
uint256[] memory ids = _asSingletonArray(id);
uint256[] memory amounts = _asSingletonArray(amount);
_beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
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);
_afterTokenTransfer(operator, from, address(0), ids, amounts, "");
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
*
* Emits a {TransferBatch} event.
*
* 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);
_afterTokenTransfer(operator, from, address(0), ids, amounts, "");
}
/**
* @dev Approve `operator` to operate on all of `owner` tokens
*
* Emits an {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 `ids` and `amounts` 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 {}
/**
* @dev Hook that is called after 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 _afterTokenTransfer(
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;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/MerkleProof.sol)
pragma solidity ^0.8.17;
/**
* @dev These functions deal with verification of Merkle Tree proofs.
*
* The proofs can be generated using the JavaScript library
* https://github.com/miguelmota/merkletreejs[merkletreejs].
* Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
*
* See `test/utils/cryptography/MerkleProof.test.js` for some examples.
*
* WARNING: You should avoid using leaf values that are 64 bytes long prior to
* hashing, or use a hash function other than keccak256 for hashing leaves.
* This is because the concatenation of a sorted pair of internal nodes in
* the merkle tree could be reinterpreted as a leaf value.
*/
library MerkleProof {
/**
* @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
* defined by `root`. For this, a `proof` must be provided, containing
* sibling hashes on the branch from the leaf to the root of the tree. Each
* pair of leaves and each pair of pre-images are assumed to be sorted.
*/
function verify(
bytes32[] memory proof,
bytes32 root,
bytes32 leaf
) internal pure returns (bool) {
return processProof(proof, leaf) == root;
}
/**
* @dev Calldata version of {verify}
*
* _Available since v4.7._
*/
function verifyCalldata(
bytes32[] calldata proof,
bytes32 root,
bytes32 leaf
) internal pure returns (bool) {
return processProofCalldata(proof, leaf) == root;
}
/**
* @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
* from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
* hash matches the root of the tree. When processing the proof, the pairs
* of leafs & pre-images are assumed to be sorted.
*
* _Available since v4.4._
*/
function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Calldata version of {processProof}
*
* _Available since v4.7._
*/
function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Returns true if the `leaves` can be proved to be a part of a Merkle tree defined by
* `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
*
* _Available since v4.7._
*/
function multiProofVerify(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProof(proof, proofFlags, leaves) == root;
}
/**
* @dev Calldata version of {multiProofVerify}
*
* _Available since v4.7._
*/
function multiProofVerifyCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProofCalldata(proof, proofFlags, leaves) == root;
}
/**
* @dev Returns the root of a tree reconstructed from `leaves` and the sibling nodes in `proof`,
* consuming from one or the other at each step according to the instructions given by
* `proofFlags`.
*
* _Available since v4.7._
*/
function processMultiProof(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
return hashes[totalHashes - 1];
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
/**
* @dev Calldata version of {processMultiProof}
*
* _Available since v4.7._
*/
function processMultiProofCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
return hashes[totalHashes - 1];
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
}
function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, a)
mstore(0x20, b)
value := keccak256(0x00, 0x40)
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.17;
/**
* @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
// OpenZeppelin Contracts
pragma solidity ^0.8.17;
import "./ERC1155.sol";
contract ERC1155URIStorage {
string internal _baseURI = "ipfs:/";
mapping(uint256 => string) internal _tokenURIs;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
pragma solidity ^0.8.17;
/**
* @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
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.17;
import "./interfaces/IERC165.sol";
import "./interfaces/IERC1155.sol";
import "./interfaces/IERC1155MetadataURI.sol";
abstract contract ERC165 is IERC165, IERC1155, IERC1155MetadataURI {
mapping(bytes4 => bool) private interfaces;
bytes4 private constant INTERFACE_ID_ERC2981 = 0x2a55205a;
constructor () {
/**
* I guess I will just register everything here, to keep it simple
*/
registerInterface(type(IERC165).interfaceId);
registerInterface(type(IERC1155).interfaceId);
registerInterface(type(IERC1155MetadataURI).interfaceId);
registerInterface(INTERFACE_ID_ERC2981);
}
function registerInterface(bytes4 interfaceId) private {
interfaces[interfaceId] = true;
}
function supportsInterface(bytes4 interfaceId) external view returns (bool) {
return interfaces[interfaceId];
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
pragma solidity ^0.8.17;
import "./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.
*
* 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);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.17;
/**
* @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
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)
pragma solidity ^0.8.17;
import "./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 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
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
pragma solidity ^0.8.17;
/**
* @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 {
/**
* @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);
}