Merge pull request #21 from open-dollar/paraswap

Flashloan Prototype

README.md

@@ -20,3 +20,17 @@ Proxy action contracts for Open Dollar
 - https://book.getfoundry.sh/
 - https://contracts.opendollar.com
 - https://docs.opendollar.com
+
+## ParaswapSellAdapter Docs
+
+### get max loan and leveraged amount of debt:
+
+IParaswapSellAdapter.getLeveragedDebt(bytes32 _cType, uint256 _initCapital)
+
+### get loan and leveraged amount of debt with percentage buffer:
+
+IParaswapSellAdapter.getLeveragedDebt(bytes32 _cType, uint256 _initCapital, uint256 _percentageBuffer)
+
+### execute leverage flashloan
+
+IParaswapSellAdapter.requestFlashloan(SellParams memory _sellParams, uint256 _initCollateral, uint256 _collateralLoan, uint256 _minDstAmount, uint256 _safeId, bytes32 _cType)

foundry.toml

@@ -14,6 +14,8 @@ src = "src"
 out = "out"
 libs = ["lib"]
 ffi = true
+fuzz_runs = 128
+optimizer_runs = 5_000
 
 [rpc_endpoints]
 mainnet = "${ARB_MAINNET_RPC}"

package.json

@@ -25,7 +25,7 @@
     "test:coverage": "forge coverage --report lcov && lcov --ignore-errors unused --remove lcov.info 'node_modules/*' 'script/*' 'test/*' 'src/contracts/for-test/*' 'src/libraries/*' -o lcov.info.pruned && mv lcov.info.pruned lcov.info && genhtml -o coverage-report lcov.info"
   },
   "dependencies": {
-    "@opendollar/contracts": "0.0.0-984c17c2",
+    "@opendollar/contracts": "0.0.0-00b33fa2",
     "@openzeppelin-contracts-3.4.2-solc-0.7": "yarn:@openzeppelin/contracts@^3.4.2",
     "@openzeppelin/contracts": "4.9.6",
     "@paraswap/sdk": "^6.7.0",

script/getSwapRoute.js → script/getSwapTransaction.js

@@ -12,7 +12,7 @@ const TO_DECIMALS = args[3];
 const SELL_AMOUNT = args[4];
 const CALLER = args[5];
 
-async function getSwapRoute(_fromToken, _fromDecimals, _toToken, _toDecimals, _sellAmount, _caller) {
+async function getSwapTransaction(_fromToken, _fromDecimals, _toToken, _toDecimals, _sellAmount, _caller) {
 	const priceRoute = await paraSwapMin.swap.getRate({
 		srcToken: _fromToken,
 		srcDecimals: _fromDecimals,
@@ -38,4 +38,4 @@ async function getSwapRoute(_fromToken, _fromDecimals, _toToken, _toDecimals, _s
 	process.stdout.write(txParams.data);
 }
 
-getSwapRoute(FROM_TOKEN, FROM_DECIMALS, TO_TOKEN, TO_DECIMALS, SELL_AMOUNT, CALLER);
+getSwapTransaction(FROM_TOKEN, FROM_DECIMALS, TO_TOKEN, TO_DECIMALS, SELL_AMOUNT, CALLER);

src/leverage/ExitActions.sol

@@ -133,7 +133,6 @@ contract ExitActions is BasicActions {
     ODSafeManager.SAFEData memory _safeInfo = ODSafeManager(_manager).safeData(_safeId);
     // takes token amount from user's wallet and joins into the safeEngine
     _joinCollateral(_collateralJoin, _safeInfo.safeHandler, _collateralAmount);
-
     int256 _deltaDebt = _getGeneratedDeltaDebt(_safeEngine, _safeInfo.collateralType, _safeInfo.safeHandler, _deltaWad);
     // locks token amount into the SAFE and generates debt
     _modifySAFECollateralization(_manager, _safeId, _collateralAmount.toInt(), _deltaDebt, false);