Contract Name:
JunkyardStorage
Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import {AxelarExecutable} from "@axelar-network/axelar-gmp-sdk-solidity/contracts/executables/AxelarExecutable.sol";
/**
* @title JunkyardStorage
* @author Razmo
* @notice Deployed on Ethereum, this contract receives and sends the NFTs
* @dev The transfer function is called by the Manager from Polygon through Axelar
*/
contract JunkyardStorage is AxelarExecutable, Ownable {
string public managerChain;
string public managerAddress;
event TokenSent(address indexed, address, uint256); // To, collection, tokenId
event ContractValueUpdate(string, string); // Value name, new value
modifier isFromManager(
string calldata _sourceChain,
string calldata _sourceAddress
) {
bytes32 source = keccak256(abi.encodePacked(_sourceChain, _sourceAddress));
bytes32 manager = keccak256(abi.encodePacked(managerChain, managerAddress));
require(source == manager, "Not allowed to call this contract");
_;
}
constructor(address _gateway) AxelarExecutable(_gateway) {}
/**
* @notice Update the name of the chain of the Manager
* @param newManagerChain New chain
*/
function setManagerChain(string memory newManagerChain) external onlyOwner {
managerChain = newManagerChain;
emit ContractValueUpdate('managerChain', newManagerChain);
}
/**
* @notice Update the address of the Manager
* @param newManagerAddress New address
*/
function setManagerAddress(string memory newManagerAddress) external onlyOwner {
managerAddress = newManagerAddress;
emit ContractValueUpdate('managerAddress', newManagerAddress);
}
/**
* @notice Send an NFT to a Player
* @dev Called by the Manager from Polygon after a verification
* @param _sourceChain Chain name of the source transaction
* @param _sourceAddress Address of the contract who calls this function
* @param _payload Payload of token (uid, from, collection, tokenId, transferTx)
*/
function _execute(
string calldata _sourceChain,
string calldata _sourceAddress,
bytes calldata _payload
) internal override isFromManager(_sourceChain, _sourceAddress) {
(address to, uint256 tokenId, address collection) = abi.decode(
_payload,
(address, uint256, address)
);
IERC721(collection).safeTransferFrom(address(this), to, tokenId);
emit TokenSent(to, collection, tokenId);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import { IAxelarGateway } from '../interfaces/IAxelarGateway.sol';
import { IAxelarExecutable } from '../interfaces/IAxelarExecutable.sol';
contract AxelarExecutable is IAxelarExecutable {
IAxelarGateway public immutable gateway;
constructor(address gateway_) {
if (gateway_ == address(0)) revert InvalidAddress();
gateway = IAxelarGateway(gateway_);
}
function execute(
bytes32 commandId,
string calldata sourceChain,
string calldata sourceAddress,
bytes calldata payload
) external override {
bytes32 payloadHash = keccak256(payload);
if (!gateway.validateContractCall(commandId, sourceChain, sourceAddress, payloadHash))
revert NotApprovedByGateway();
_execute(sourceChain, sourceAddress, payload);
}
function executeWithToken(
bytes32 commandId,
string calldata sourceChain,
string calldata sourceAddress,
bytes calldata payload,
string calldata tokenSymbol,
uint256 amount
) external override {
bytes32 payloadHash = keccak256(payload);
if (
!gateway.validateContractCallAndMint(
commandId,
sourceChain,
sourceAddress,
payloadHash,
tokenSymbol,
amount
)
) revert NotApprovedByGateway();
_executeWithToken(sourceChain, sourceAddress, payload, tokenSymbol, amount);
}
function _execute(
string calldata sourceChain,
string calldata sourceAddress,
bytes calldata payload
) internal virtual {}
function _executeWithToken(
string calldata sourceChain,
string calldata sourceAddress,
bytes calldata payload,
string calldata tokenSymbol,
uint256 amount
) internal virtual {}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions 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);
}
}
// SPDX-License-Identifier: MIT
// 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);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IAxelarGateway {
/**********\
|* Errors *|
\**********/
error NotSelf();
error NotProxy();
error InvalidCodeHash();
error SetupFailed();
error InvalidAuthModule();
error InvalidTokenDeployer();
error InvalidAmount();
error InvalidChainId();
error InvalidCommands();
error TokenDoesNotExist(string symbol);
error TokenAlreadyExists(string symbol);
error TokenDeployFailed(string symbol);
error TokenContractDoesNotExist(address token);
error BurnFailed(string symbol);
error MintFailed(string symbol);
error InvalidSetMintLimitsParams();
error ExceedMintLimit(string symbol);
/**********\
|* Events *|
\**********/
event TokenSent(
address indexed sender,
string destinationChain,
string destinationAddress,
string symbol,
uint256 amount
);
event ContractCall(
address indexed sender,
string destinationChain,
string destinationContractAddress,
bytes32 indexed payloadHash,
bytes payload
);
event ContractCallWithToken(
address indexed sender,
string destinationChain,
string destinationContractAddress,
bytes32 indexed payloadHash,
bytes payload,
string symbol,
uint256 amount
);
event Executed(bytes32 indexed commandId);
event TokenDeployed(string symbol, address tokenAddresses);
event ContractCallApproved(
bytes32 indexed commandId,
string sourceChain,
string sourceAddress,
address indexed contractAddress,
bytes32 indexed payloadHash,
bytes32 sourceTxHash,
uint256 sourceEventIndex
);
event ContractCallApprovedWithMint(
bytes32 indexed commandId,
string sourceChain,
string sourceAddress,
address indexed contractAddress,
bytes32 indexed payloadHash,
string symbol,
uint256 amount,
bytes32 sourceTxHash,
uint256 sourceEventIndex
);
event TokenMintLimitUpdated(string symbol, uint256 limit);
event OperatorshipTransferred(bytes newOperatorsData);
event Upgraded(address indexed implementation);
/********************\
|* Public Functions *|
\********************/
function sendToken(
string calldata destinationChain,
string calldata destinationAddress,
string calldata symbol,
uint256 amount
) external;
function callContract(
string calldata destinationChain,
string calldata contractAddress,
bytes calldata payload
) external;
function callContractWithToken(
string calldata destinationChain,
string calldata contractAddress,
bytes calldata payload,
string calldata symbol,
uint256 amount
) external;
function isContractCallApproved(
bytes32 commandId,
string calldata sourceChain,
string calldata sourceAddress,
address contractAddress,
bytes32 payloadHash
) external view returns (bool);
function isContractCallAndMintApproved(
bytes32 commandId,
string calldata sourceChain,
string calldata sourceAddress,
address contractAddress,
bytes32 payloadHash,
string calldata symbol,
uint256 amount
) external view returns (bool);
function validateContractCall(
bytes32 commandId,
string calldata sourceChain,
string calldata sourceAddress,
bytes32 payloadHash
) external returns (bool);
function validateContractCallAndMint(
bytes32 commandId,
string calldata sourceChain,
string calldata sourceAddress,
bytes32 payloadHash,
string calldata symbol,
uint256 amount
) external returns (bool);
/***********\
|* Getters *|
\***********/
function authModule() external view returns (address);
function tokenDeployer() external view returns (address);
function tokenMintLimit(string memory symbol) external view returns (uint256);
function tokenMintAmount(string memory symbol) external view returns (uint256);
function allTokensFrozen() external view returns (bool);
function implementation() external view returns (address);
function tokenAddresses(string memory symbol) external view returns (address);
function tokenFrozen(string memory symbol) external view returns (bool);
function isCommandExecuted(bytes32 commandId) external view returns (bool);
function adminEpoch() external view returns (uint256);
function adminThreshold(uint256 epoch) external view returns (uint256);
function admins(uint256 epoch) external view returns (address[] memory);
/*******************\
|* Admin Functions *|
\*******************/
function setTokenMintLimits(string[] calldata symbols, uint256[] calldata limits) external;
function upgrade(
address newImplementation,
bytes32 newImplementationCodeHash,
bytes calldata setupParams
) external;
/**********************\
|* External Functions *|
\**********************/
function setup(bytes calldata params) external;
function execute(bytes calldata input) external;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import { IAxelarGateway } from '../interfaces/IAxelarGateway.sol';
interface IAxelarExecutable {
error InvalidAddress();
error NotApprovedByGateway();
function gateway() external view returns (IAxelarGateway);
function execute(
bytes32 commandId,
string calldata sourceChain,
string calldata sourceAddress,
bytes calldata payload
) external;
function executeWithToken(
bytes32 commandId,
string calldata sourceChain,
string calldata sourceAddress,
bytes calldata payload,
string calldata tokenSymbol,
uint256 amount
) external;
}
// SPDX-License-Identifier: MIT
// 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;
}
}