Merge pull request #91 from MoonSHRD/network/ropsten

Network/ropsten

README.md

@@ -13,7 +13,7 @@ Universal NFT Marketplace
 
  ### Currencies erc20
  We use some stable-coins and other erc20 tokens as currencies
- So users can set up and get paid in USDT,USDC,DAI,MST or other custom currencies
+ So users can set up and get paid in USDT,USDC,DAI, MST or other custom currencies
 
  For more info see `./contracts/721/singleton/CurrenciesERC20.sol`
 

contracts/721/singleton/CurrenciesERC20.sol

@@ -15,6 +15,7 @@ import "../../../node_modules/@openzeppelin/contracts/access/Ownable.sol";
 /**
  *      CurrenciesERC20
  * @title CurrenciesERC20
+ * @author JackBekket
  * @dev This contract allow to use erc20 tokens as a currency in crowdsale-like contracts
  *
  */

contracts/721/singleton/InterfaceRegister.sol

@@ -0,0 +1,61 @@
+pragma solidity ^0.8.0;
+// SPDX-License-Identifier: MIT
+
+
+import "../../../node_modules/@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol";
+import "../../../node_modules/@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol";
+import "../../../node_modules/@openzeppelin/contracts/token/ERC721/IERC721.sol";
+
+
+
+contract InterfaceRegister {
+
+    bytes4 public _INTERFACE_ID_MSNFT;
+    bytes4 public _INTERFACE_ID_IERC721ENUMERABLE;  // should be 0x780e9d63
+   // bytes4 private _INTERFACE_ID_ERC721METADATA = 0x5b5e139f; // 0x5b5e139f
+    bytes4 public _INTERFACE_ID_IERC721METADATA; // 0x5b5e139f
+    bytes4 public _INTERFACE_ID_IERC721;    // 0x7aa5391d  -- @WARN -- MAY BE *WRONG*
+
+
+    function getInterfaceEnumerable() public view returns (bytes4) {
+        return _INTERFACE_ID_IERC721ENUMERABLE;
+    }
+
+    function getInterfaceMetadata() public view returns (bytes4) {
+        return _INTERFACE_ID_IERC721METADATA;
+    }
+
+    function getInterface721() public view returns (bytes4) {
+        return _INTERFACE_ID_IERC721;
+    }
+
+    function calculateIERC721Enumarable() public pure returns (bytes4) {
+
+        IERC721Enumerable i;
+        return i.totalSupply.selector ^ i.tokenOfOwnerByIndex.selector ^ i.tokenByIndex.selector;
+    }
+
+
+    function calculateIERC721Metadata() public pure returns (bytes4) {
+
+        IERC721Metadata i;
+        return i.name.selector ^ i.symbol.selector ^ i.tokenURI.selector;
+    }
+
+
+    function calculateIERC721() public pure returns (bytes4) {
+        // TODO: wrong calculation, need to fix.. use IERC721Enumarable interface for MSNFT
+        IERC721 i;
+        return i.balanceOf.selector ^ i.ownerOf.selector ^ i.transferFrom.selector ^ i.approve.selector ^ i.getApproved.selector ^ i.setApprovalForAll.selector ^ i.isApprovedForAll.selector;
+
+    }
+
+    constructor() {
+
+        _INTERFACE_ID_IERC721ENUMERABLE = calculateIERC721Enumarable();
+        _INTERFACE_ID_IERC721METADATA = calculateIERC721Metadata();
+        _INTERFACE_ID_IERC721 = calculateIERC721();
+    }
+
+
+}