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Abracadabra-money · Sep 8, 2022 · 8fe3ac2 · 8fe3ac2 · boringcrypto · Sep 8, 2022
1 parent 128baf3
commit 8fe3ac2
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Showing 3 changed files with 83 additions and 18 deletions.
diff --git a/.prettierrc.js b/.prettierrc.js
@@ -3,15 +3,15 @@ module.exports = {
     {
       files: "*.ts",
       options: {
-        printWidth: 145,
+        printWidth: 80,
         semi: true,
         trailingComma: "es5",
       },
     },
     {
       files: "*.sol",
       options: {
-        printWidth: 140,
+        printWidth: 80,
         tabWidth: 4,
         useTabs: false,
         singleQuote: false,

diff --git a/contracts/LendingClub.sol b/contracts/LendingClub.sol
@@ -30,7 +30,8 @@ contract LendingClubWETH is BoringOwnable, ILendingClub {
     address private immutable ops;
     address payable private immutable gelato;
     IERC20 private immutable WETH;
-    ISeaport private constant seaport = ISeaport(0x00000000006c3852cbEf3e08E8dF289169EdE581);
+    ISeaport private constant seaport =
+        ISeaport(0x00000000006c3852cbEf3e08E8dF289169EdE581);
 
     constructor(address _ops, IERC20 _WETH) public {
         ops = _ops;
@@ -49,7 +50,15 @@ contract LendingClubWETH is BoringOwnable, ILendingClub {
     }
 
     function init(bytes calldata data) public payable {
-        (nftPair, owner, oracle, annualInterestBPS, ltvBPS, relistBPS, maxDuration) = abi.decode(
+        (
+            nftPair,
+            owner,
+            oracle,
+            annualInterestBPS,
+            ltvBPS,
+            relistBPS,
+            maxDuration
+        ) = abi.decode(
             data,
             (INFTPair, address, INFTOracle, uint16, uint16, uint16, uint32)
         );
@@ -61,7 +70,14 @@ contract LendingClubWETH is BoringOwnable, ILendingClub {
         // TODO: check whether this is exploitable (i think not)
         nftPair.collateral().setApprovalForAll(address(seaport), true);
 
-        nftPair.bentoBox().setMasterContractApproval(address(this), address(nftPair.masterContract()), true, 0, bytes32(0), bytes32(0));
+        nftPair.bentoBox().setMasterContractApproval(
+            address(this),
+            address(nftPair.masterContract()),
+            true,
+            0,
+            bytes32(0),
+            bytes32(0)
+        );
     }
 
     function willLend(
@@ -84,16 +100,27 @@ contract LendingClubWETH is BoringOwnable, ILendingClub {
 
         // valuation can be smaller than what is to be expected, same for duration
 
-        return oracle == _oracle && valuation <= _valuation && duration <= maxDuration && _annualInterestBPS >= annualInterestBPS;
+        return
+            oracle == _oracle &&
+            valuation <= _valuation &&
+            duration <= maxDuration &&
+            _annualInterestBPS >= annualInterestBPS;
     }
 
-    function lendingConditions(address _nftPair, uint256 tokenId) external view returns (TokenLoanParamsWithOracle[] memory) {
+    function lendingConditions(address _nftPair, uint256 tokenId)
+        external
+        view
+        returns (TokenLoanParamsWithOracle[] memory)
+    {
         if (_nftPair != address(nftPair)) {
             TokenLoanParamsWithOracle[] memory empty;
             return empty;
         } else {
-            TokenLoanParamsWithOracle[] memory conditions = new TokenLoanParamsWithOracle[](4);
-            uint128 valuation = uint128((oracle.peekSpot(_nftPair, tokenId) * uint256(ltvBPS)) / BPS);
+            TokenLoanParamsWithOracle[]
+                memory conditions = new TokenLoanParamsWithOracle[](4);
+            uint128 valuation = uint128(
+                (oracle.peekSpot(_nftPair, tokenId) * uint256(ltvBPS)) / BPS
+            );
             for (uint256 i; i < 4; i++) {
                 conditions[i].valuation = valuation;
                 conditions[i].duration = uint64((maxDuration * i) / 4);
@@ -115,7 +142,13 @@ contract LendingClubWETH is BoringOwnable, ILendingClub {
             nftPair.removeCollateral(tokenId, address(this));
         }
 
-        nftPair.bentoBox().withdraw(IERC20(address(0)), address(this), gelato, fee, 0);
+        nftPair.bentoBox().withdraw(
+            IERC20(address(0)),
+            address(this),
+            gelato,
+            fee,
+            0
+        );
 
         seaport.validate(orders);
     }
@@ -125,6 +158,12 @@ contract LendingClubWETH is BoringOwnable, ILendingClub {
     }
 
     function withdrawFunds(uint256 bentoShares, address to) external onlyOwner {
-        nftPair.bentoBox().withdraw(nftPair.asset(), address(this), to, 0, bentoShares);
+        nftPair.bentoBox().withdraw(
+            nftPair.asset(),
+            address(this),
+            to,
+            0,
+            bentoShares
+        );
     }
 }
diff --git a/contracts/mocks/LendingClubMock.sol b/contracts/mocks/LendingClubMock.sol
@@ -17,7 +17,14 @@ contract LendingClubMock {
     }
 
     function init() public {
-        nftPair.bentoBox().setMasterContractApproval(address(this), address(nftPair.masterContract()), true, 0, bytes32(0), bytes32(0));
+        nftPair.bentoBox().setMasterContractApproval(
+            address(this),
+            address(nftPair.masterContract()),
+            true,
+            0,
+            bytes32(0),
+            bytes32(0)
+        );
     }
 
     function willLend(
@@ -31,18 +38,28 @@ contract LendingClubMock {
         if (msg.sender != address(nftPair)) {
             return false;
         }
-        TokenLoanParamsWithOracle memory accepted = _lendingConditions(tokenId)[0];
+        TokenLoanParamsWithOracle memory accepted = _lendingConditions(tokenId)[
+            0
+        ];
         // Valuation has to be an exact match, everything else must be at least
         // as good for the lender as `accepted`.
 
-        return valuation == accepted.valuation && duration <= accepted.duration && annualInterestBPS >= accepted.annualInterestBPS;
+        return
+            valuation == accepted.valuation &&
+            duration <= accepted.duration &&
+            annualInterestBPS >= accepted.annualInterestBPS;
     }
 
-    function _lendingConditions(uint256 tokenId) private pure returns (TokenLoanParamsWithOracle[] memory) {
+    function _lendingConditions(uint256 tokenId)
+        private
+        pure
+        returns (TokenLoanParamsWithOracle[] memory)
+    {
         // No specific conditions given, but we'll take all even-numbered
         // ones at 100% APY:
         if (tokenId % 2 == 0) {
-            TokenLoanParamsWithOracle[] memory conditions = new TokenLoanParamsWithOracle[](1);
+            TokenLoanParamsWithOracle[]
+                memory conditions = new TokenLoanParamsWithOracle[](1);
             // 256-bit addition fits by the above check.
             // Cast is.. relatively safe: this is a mock implementation,
             // production use is unlikely to follow this pattern for valuing
@@ -58,7 +75,11 @@ contract LendingClubMock {
         }
     }
 
-    function lendingConditions(address _nftPair, uint256 tokenId) external view returns (TokenLoanParamsWithOracle[] memory) {
+    function lendingConditions(address _nftPair, uint256 tokenId)
+        external
+        view
+        returns (TokenLoanParamsWithOracle[] memory)
+    {
         if (_nftPair != address(nftPair)) {
             TokenLoanParamsWithOracle[] memory empty;
             return empty;
@@ -72,6 +93,11 @@ contract LendingClubMock {
     }
 
     function withdrawFunds(uint256 bentoShares) external {
-        nftPair.bentoBox().transfer(nftPair.asset(), address(this), investor, bentoShares);
+        nftPair.bentoBox().transfer(
+            nftPair.asset(),
+            address(this),
+            investor,
+            bentoShares
+        );
     }
 }