[WIP]feat: add nft level asset

abis/NFTOracle.json

@@ -38,6 +38,44 @@
     "name": "FeedAdminUpdated",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "nftContract",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "levelAsset",
+        "type": "address"
+      }
+    ],
+    "name": "LevelAssetAdded",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "nftContract",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "levelAsset",
+        "type": "address"
+      }
+    ],
+    "name": "LevelAssetRemoved",
+    "type": "event"
+  },
   {
     "anonymous": false,
     "inputs": [
@@ -126,6 +164,19 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "levelAsset",
+        "type": "address"
+      }
+    ],
+    "name": "addLevelAsset",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -164,6 +215,30 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "_nftContract",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "tokenId",
+        "type": "uint256"
+      }
+    ],
+    "name": "getAssetPriceByTokenId",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -202,6 +277,30 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "_nftContract",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "tokenId",
+        "type": "uint256"
+      }
+    ],
+    "name": "getLevelAssetByTokenId",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -442,6 +541,19 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "levelAsset",
+        "type": "address"
+      }
+    ],
+    "name": "removeLevelAsset",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "inputs": [],
     "name": "renounceOwnership",

contracts/interfaces/INFTLevelAsset.sol

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: agpl-3.0
+pragma solidity 0.8.4;
+
+interface INFTLevelAsset {
+  function nftContract() external view returns (address);
+
+  function nftLevelKey() external view returns (bytes32);
+
+  function nftLevelName() external view returns (string memory);
+
+  function isValid(uint256 tokenId) external view returns (bool);
+}

contracts/interfaces/INFTOracle.sol

@@ -9,6 +9,8 @@ interface INFTOracle {
   // get asset price
   function getAssetPrice(address _nftContract) external view returns (uint256);
 
+  function getAssetPriceByTokenId(address _nftContract, uint256 tokenId) external view returns (uint256);
+
   // get latest timestamp
   function getLatestTimestamp(address _nftContract) external view returns (uint256);
 

contracts/interfaces/INFTOracleGetter.sol

@@ -10,4 +10,6 @@ interface INFTOracleGetter {
     @dev returns the asset price in ETH
      */
   function getAssetPrice(address asset) external view returns (uint256);
+
+  function getAssetPriceByTokenId(address _nftContract, uint256 tokenId) external view returns (uint256);
 }

contracts/libraries/logic/BorrowLogic.sol

@@ -179,7 +179,8 @@ library BorrowLogic {
       vars.loanAddress,
       vars.loanId,
       vars.reserveOracle,
-      vars.nftOracle
+      vars.nftOracle,
+      params.nftTokenId
     );
 
     if (vars.loanId == 0) {

contracts/libraries/logic/GenericLogic.sol

@@ -60,7 +60,8 @@ library GenericLogic {
     address loanAddress,
     uint256 loanId,
     address reserveOracle,
-    address nftOracle
+    address nftOracle,
+    uint256 nftTokenId
   )
     internal
     view
@@ -92,7 +93,9 @@ library GenericLogic {
       nftAddress,
       nftData,
       reserveOracle,
-      nftOracle
+      nftOracle,
+      nftTokenId,
+      true
     );
 
     // calculate health by borrow and collateral
@@ -133,7 +136,9 @@ library GenericLogic {
     address nftAddress,
     DataTypes.NftData storage nftData,
     address reserveOracle,
-    address nftOracle
+    address nftOracle,
+    uint256 nftTokenId,
+    bool useNftTokenId
   ) internal view returns (uint256, uint256) {
     reserveData;
     nftData;
@@ -143,7 +148,11 @@ library GenericLogic {
     // calculate total collateral balance for the nft
     // all asset price has converted to ETH based, unit is in WEI (18 decimals)
 
-    vars.nftUnitPrice = INFTOracleGetter(nftOracle).getAssetPrice(nftAddress);
+    if (useNftTokenId) {
+      vars.nftUnitPrice = INFTOracleGetter(nftOracle).getAssetPriceByTokenId(nftAddress, nftTokenId);
+    } else {
+      vars.nftUnitPrice = INFTOracleGetter(nftOracle).getAssetPrice(nftAddress);
+    }
     vars.totalCollateralInETH = vars.nftUnitPrice;
 
     if (reserveAddress != address(0)) {
@@ -220,7 +229,8 @@ library GenericLogic {
     DataTypes.NftData storage nftData,
     address poolLoan,
     address reserveOracle,
-    address nftOracle
+    address nftOracle,
+    uint256 nftTokenId
   )
     internal
     view
@@ -248,7 +258,7 @@ library GenericLogic {
 
     (vars.ltv, vars.liquidationThreshold, vars.liquidationBonus) = nftData.configuration.getCollateralParams();
 
-    vars.nftPriceInETH = INFTOracleGetter(nftOracle).getAssetPrice(nftAsset);
+    vars.nftPriceInETH = INFTOracleGetter(nftOracle).getAssetPriceByTokenId(nftAsset, nftTokenId);
     vars.reservePriceInETH = IReserveOracleGetter(reserveOracle).getAssetPrice(reserveAsset);
 
     vars.nftPriceInReserve = ((10**vars.reserveDecimals) * vars.nftPriceInETH) / vars.reservePriceInETH;

contracts/libraries/logic/LiquidateLogic.sol

@@ -157,7 +157,8 @@ library LiquidateLogic {
       nftData,
       vars.loanAddress,
       vars.reserveOracle,
-      vars.nftOracle
+      vars.nftOracle,
+      loanData.nftTokenId
     );
 
     // first time bid need to burn debt tokens and transfer reserve to bTokens
@@ -289,7 +290,8 @@ library LiquidateLogic {
       nftData,
       vars.poolLoan,
       vars.reserveOracle,
-      vars.nftOracle
+      vars.nftOracle,
+      loanData.nftTokenId
     );
 
     // check bid fine in min & max range
@@ -425,7 +427,8 @@ library LiquidateLogic {
       nftData,
       vars.poolLoan,
       vars.reserveOracle,
-      vars.nftOracle
+      vars.nftOracle,
+      loanData.nftTokenId
     );
 
     // Last bid price can not cover borrow amount

contracts/libraries/logic/ValidationLogic.sol

@@ -94,7 +94,8 @@ library ValidationLogic {
     address loanAddress,
     uint256 loanId,
     address reserveOracle,
-    address nftOracle
+    address nftOracle,
+    uint256 nftTokenId
   ) external view {
     ValidateBorrowLocalVars memory vars;
 
@@ -131,7 +132,8 @@ library ValidationLogic {
       loanAddress,
       loanId,
       reserveOracle,
-      nftOracle
+      nftOracle,
+      nftTokenId
     );
 
     require(vars.userCollateralBalance > 0, Errors.VL_COLLATERAL_BALANCE_IS_0);