三种token的demo

README.md

@@ -0,0 +1,9 @@
+# ERC 智能合约DEMO
+
+### 编辑器地址
+
+> https://remix.ethereum.org/
+
+### 共享本地内容
+
+> remixd -s /Users/jason/Documents/Develop/Sol-Projects/ERC-DEV -u https://remix.ethereum.org

compiler_config.json

@@ -0,0 +1,17 @@
+
+{
+	"language": "Solidity",
+	"settings": {
+		"optimizer": {
+			"enabled": true,
+			"runs": 200
+		},
+		"outputSelection": {
+			"*": {
+			"": ["ast"],
+			"*": ["abi", "metadata", "devdoc", "userdoc", "storageLayout", "evm.legacyAssembly", "evm.bytecode", "evm.deployedBytecode", "evm.methodIdentifiers", "evm.gasEstimates", "evm.assembly"]
+			}
+		},
+		"evmVersion": "byzantium"
+	}
+}

package.json

@@ -5,6 +5,6 @@
   "author": "Jason.Chen",
   "license": "MIT",
   "dependencies": {
-    "@openzeppelin/contracts": "^4.7.3"
+    "@openzeppelin/contracts": "^4.8.0"
   }
 }

src/ERC1155/JZBG-GOODS.sol

@@ -7,9 +7,9 @@ import "@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Burnable.sol";
 import "@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Pausable.sol";
 import "@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Supply.sol";
 import "@openzeppelin/contracts/token/ERC1155/extensions/ERC1155URIStorage.sol";
+import "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
 import "@openzeppelin/contracts/access/Ownable.sol";
 import "@openzeppelin/contracts/utils/Strings.sol";
-import "../common/Symbolable.sol";
 
 contract JZBG is
     ERC1155,
@@ -18,29 +18,70 @@ contract JZBG is
     ERC1155Supply,
     ERC1155URIStorage,
     Ownable,
-    Symbolable
+    IERC1155Receiver
 {
     using Strings for uint256;
 
     uint256 private _total;
     uint256 private _count;
+    string private _name;
+    string private _symbol;
 
-    /**
-     * @dev Jing Zhong Bao Guo,JZBG,https://ipfs.jzbg.org/
-     * MINT: 0x5B38Da6a701c568545dCfcB03FcB875f56beddC4,1,1234
-     * 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2,1,1234567890
-     * TRANSFER: 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2,0x5B38Da6a701c568545dCfcB03FcB875f56beddC4,1,5,0x
-     * mintBatch: 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2,[1,2,3,4],[100,2000,30000,400000]
-     * safeTransferToAddresses: 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2,[0x5B38Da6a701c568545dCfcB03FcB875f56beddC4,0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db,0x78731D3Ca6b7E34aC0F824c42a7cC18A495cabaB],1,200
-     */
     constructor(
         string memory name_,
         string memory symbol_,
         string memory uri_
-    ) Symbolable(name_, symbol_) ERC1155(uri_) {
+    ) ERC1155(uri_) {
+        _name = name_;
+        _symbol = symbol_;
         ERC1155URIStorage._setBaseURI(uri_);
     }
 
+    function name() public view virtual returns (string memory) {
+        return _name;
+    }
+
+    function symbol() public view virtual returns (string memory) {
+        return _symbol;
+    }
+
+    /**
+     * @dev 有这两个方法，才可以接收其他代币的转账进来
+     */
+    function onERC1155Received(
+        address,
+        address,
+        uint256,
+        uint256,
+        bytes calldata
+    ) public view virtual override returns (bytes4) {
+        return IERC1155Receiver.onERC1155Received.selector;
+    }
+
+    /**
+     * @dev 有这两个方法，才可以接收其他代币的转账进来
+     */
+    function onERC1155BatchReceived(
+        address,
+        address,
+        uint256[] calldata,
+        uint256[] calldata,
+        bytes calldata
+    ) public view virtual override returns (bytes4) {
+        return IERC1155Receiver.onERC1155BatchReceived.selector;
+    }
+
+    /**
+     * @dev 从合约中转出NFT
+     */
+    function tranferNFT(
+        address to,
+        uint256 tokenId,
+        uint256 amount
+    ) public virtual onlyOwner {
+        _safeTransferFrom(address(this), to, tokenId, amount, "");
+    }
+
     function setURI(uint256 tokenId, string memory tokenURI)
         public
         virtual

src/ERC20/MyERC20.sol

@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-3.0
+
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
+import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Pausable.sol";
+import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Snapshot.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
+
+contract MyERC20 is
+    ERC20,
+    ERC20Burnable,
+    ERC20Pausable,
+    ERC20Snapshot,
+    Ownable
+{
+    uint8 private _decimals;
+
+    constructor(
+        string memory name_,
+        string memory symbol_,
+        uint256 totalSupply_,
+        uint8 decimals_
+    ) ERC20(name_, symbol_) {
+        _decimals = decimals_;
+        _mint(msg.sender, totalSupply_);
+    }
+
+    function decimals() public view virtual override returns (uint8) {
+        return _decimals;
+    }
+
+    function _beforeTokenTransfer(
+        address from,
+        address to,
+        uint256 amount
+    ) internal virtual override(ERC20, ERC20Pausable, ERC20Snapshot) {
+        ERC20Pausable._beforeTokenTransfer(from, to, amount);
+        ERC20Snapshot._beforeTokenTransfer(from, to, amount);
+    }
+}

src/common/Metadata.sol

@@ -2,7 +2,7 @@
 
 pragma solidity ^0.8.0;
 
-abstract contract Symbolable {
+abstract contract Metadata {
     string private _name;
 
     string private _symbol;

src/common/Ownable.sol

@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
+
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/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 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);
+    }
+}

yarn.lock

@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-"@openzeppelin/contracts@^4.7.3":
+"@openzeppelin/contracts@^4.8.0":
-  version "4.7.3"
+  version "4.8.0"
-  resolved "https://registry.npmmirror.com/@openzeppelin/contracts/-/contracts-4.7.3.tgz#939534757a81f8d69cc854c7692805684ff3111e"
+  resolved "https://registry.npmmirror.com/@openzeppelin/contracts/-/contracts-4.8.0.tgz#6854c37df205dd2c056bdfa1b853f5d732109109"
-  integrity sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==
+  integrity sha512-AGuwhRRL+NaKx73WKRNzeCxOCOCxpaqF+kp8TJ89QzAipSwZy/NoflkWaL9bywXFRhIzXt8j38sfF7KBKCPWLw==