zhouqiang-cl · April 12, 2022 09:57 · Apr 12, 2022 · Apr 12, 2022 · Apr 12, 2022
diff --git a/general.sol b/general.sol
@@ -5,7 +5,7 @@ import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
 import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
 import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
 import "@openzeppelin/contracts/security/Pausable.sol";
-import "@openzeppelin/contracts/utils/Ownable.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
 import "@openzeppelin/contracts/access/AccessControl.sol";
 import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
 

diff --git a/general.sol b/general.sol
@@ -9,7 +9,7 @@ import "@openzeppelin/contracts/utils/Ownable.sol";
 import "@openzeppelin/contracts/access/AccessControl.sol";
 import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
 
-contract Tatum721General is ERC721, ERC721Enumerable, ERC721URIStorage, Pausable, AccessControl, ERC721Burnable {
+contract Reddio721General is ERC721, ERC721Enumerable, ERC721URIStorage, Pausable, AccessControl, ERC721Burnable {
     bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
     bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
 

diff --git a/general.sol b/general.sol
@@ -0,0 +1,129 @@
+pragma solidity ^0.8.7;
+pragma experimental ABIEncoderV2;
+
+import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
+import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
+import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
+import "@openzeppelin/contracts/security/Pausable.sol";
+import "@openzeppelin/contracts/utils/Ownable.sol";
+import "@openzeppelin/contracts/access/AccessControl.sol";
+import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
+
+contract Tatum721General is ERC721, ERC721Enumerable, ERC721URIStorage, Pausable, AccessControl, ERC721Burnable {
+    bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
+    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
+
+    bool _publicMint;
+    constructor(string memory name_, string memory symbol_, bool publicMint)
+    ERC721(name_, symbol_)
+    {
+        _setupRole(DEFAULT_ADMIN_ROLE, _msgSender());
+        _setupRole(MINTER_ROLE, _msgSender());
+        _setupRole(PAUSER_ROLE, _msgSender());
+        _publicMint = publicMint;
+    }
+
+    function pause() public {
+        require(
+            hasRole(PAUSER_ROLE, _msgSender()),
+            "ReddioGeneral721: must have pauser role to pause"
+        );
+        _pause();
+    }
+
+    function unpause() public {
+        require(
+            hasRole(PAUSER_ROLE, _msgSender()),
+            "ReddioGeneral721: must have pauser role to pause"
+        );
+        _unpause();
+    }
+
+    /**
+      * @dev Function to mint tokens.
+     * @param to The address that will receive the minted tokens.
+     * @param tokenId The token id to mint.
+     * @param uri The token URI of the minted token.
+     * @return A boolean that indicates if the operation was successful.
+     */
+    function mintWithTokenURI(
+        address to,
+        uint256 tokenId,
+        string memory uri
+    ) public returns (bool) {
+        if (!_publicMint) {
+            require(
+                hasRole(MINTER_ROLE, _msgSender()),
+                "ReddioGeneral721: must have minter role to mint"
+            );
+        }
+        _safeMint(to, tokenId);
+        _setTokenURI(tokenId, uri);
+        return true;
+    }
+
+    /**
+     * @dev Function to mint tokens. This helper function allows to mint multiple NFTs in 1 transaction.
+     * @param to The address that will receive the minted tokens.
+     * @param tokenId The token id to mint.
+     * @param uri The token URI of the minted token.
+     * @return A boolean that indicates if the operation was successful.
+    */
+    function mintMultiple(
+        address[] memory to,
+        uint256[] memory tokenId,
+        string[] memory uri
+    ) public returns (bool) {
+        if (!_publicMint) {
+            require(
+                hasRole(MINTER_ROLE, _msgSender()),
+                "ReddioGeneral721: must have minter role to mint"
+            );
+        }
+        for (uint256 i = 0; i < to.length; i++) {
+            _safeMint(to[i], tokenId[i]);
+            _setTokenURI(tokenId[i], uri[i]);
+        }
+        return true;
+    }
+
+    function safeTransfer(address to, uint256 tokenId, bytes calldata data) public virtual {
+        super._safeTransfer(_msgSender(), to, tokenId, data);
+    }
+
+    function safeTransfer(address to, uint256 tokenId) public virtual {
+        super._safeTransfer(_msgSender(), to, tokenId, "");
+    }
+
+    function _beforeTokenTransfer(address from, address to, uint256 tokenId)
+    internal
+    whenNotPaused
+    override(ERC721, ERC721Enumerable)
+    {
+        super._beforeTokenTransfer(from, to, tokenId);
+    }
+
+    // The following functions are overrides required by Solidity.
+
+    function _burn(uint256 tokenId) internal override(ERC721, ERC721URIStorage) {
+        super._burn(tokenId);
+    }
+
+    function tokenURI(uint256 tokenId)
+    public
+    view
+    override(ERC721, ERC721URIStorage)
+    returns (string memory)
+    {
+        return super.tokenURI(tokenId);
+    }
+
+    function supportsInterface(bytes4 interfaceId)
+    public
+    view
+    override(ERC721, ERC721Enumerable, AccessControl)
+    returns (bool)
+    {
+        return super.supportsInterface(interfaceId);
+    }
+}
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