feat: Flashloan rebalancer #112
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #112 +/- ##
=========================================
Coverage 100.00% 100.00%
=========================================
Files 22 23 +1
Lines 912 936 +24
=========================================
+ Hits 912 936 +24 ☔ View full report in Codecov by Sentry. |
![github-advanced-security[bot]](https://avatars.githubusercontent.com/in/57789?s=60&v=4){kind=small}
Comment on lines
+54
to
+99
| function onFlashLoan( | ||
| address initiator, | ||
| address, | ||
| uint256 amount, | ||
| uint256 fee, | ||
| bytes calldata data | ||
| ) external returns (bytes32) { | ||
| if (msg.sender != address(FLASHLOAN) || initiator != address(this) || fee != 0) revert NotTrusted(); | ||
| (uint256 typeAction, address collateral, address vault, uint256 minAmountOut) = abi.decode( | ||
| data, | ||
| (uint256, address, address, uint256) | ||
| ); | ||
| address tokenOut; | ||
| address tokenIn; | ||
| if (typeAction == 1) { | ||
| // Increase yield exposure action: we bring in the ERC4626 token | ||
| tokenOut = collateral; | ||
| tokenIn = vault; | ||
| } else { | ||
| // Decrease yield exposure action: we bring in the liquid asset | ||
| tokenIn = collateral; | ||
| tokenOut = vault; | ||
| } | ||
| uint256 amountOut = TRANSMUTER.swapExactInput(amount, 0, AGTOKEN, tokenOut, address(this), block.timestamp); | ||
| if (typeAction == 1) { | ||
| // Granting allowance with the collateral for the vault asset | ||
| _adjustAllowance(collateral, vault, amountOut); | ||
| amountOut = IERC4626(vault).deposit(amountOut, address(this)); | ||
| } else amountOut = IERC4626(vault).redeem(amountOut, address(this), address(this)); | ||
| _adjustAllowance(tokenIn, address(TRANSMUTER), amountOut); | ||
| uint256 amountStableOut = TRANSMUTER.swapExactInput( | ||
| amountOut, | ||
| minAmountOut, | ||
| tokenIn, | ||
| AGTOKEN, | ||
| address(this), | ||
| block.timestamp | ||
| ); | ||
| if (amount > amountStableOut) { | ||
| uint256 subsidy = amount - amountStableOut; | ||
| orders[tokenIn][tokenOut].subsidyBudget -= subsidy.toUint112(); | ||
| budget -= subsidy; | ||
| emit SubsidyPaid(tokenIn, tokenOut, subsidy); | ||
| } | ||
| return CALLBACK_SUCCESS; | ||
| } |
Check notice
Code scanning / Slither
Block timestamp Low
Comment on lines
+37
to
+51
| function adjustYieldExposure( | ||
| uint256 amountStablecoins, | ||
| uint8 increase, | ||
| address collateral, | ||
| address vault, | ||
| uint256 minAmountOut | ||
| ) external { | ||
| if (!TRANSMUTER.isTrustedSeller(msg.sender)) revert NotTrusted(); | ||
| FLASHLOAN.flashLoan( | ||
| IERC3156FlashBorrower(address(this)), | ||
| address(AGTOKEN), | ||
| amountStablecoins, | ||
| abi.encode(increase, collateral, vault, minAmountOut) | ||
| ); | ||
| } |
Check warning
Code scanning / Slither
Unused return Medium
GuillaumeNervoXS
approved these changes
Apr 8, 2024
GuillaumeNervoXS
approved these changes
Apr 8, 2024
0xtekgrinder
force-pushed
the
flashloan-rebalancer-2
branch
3 times, most recently
from
6ac380e to
84de3b4
Compare
0xtekgrinder
force-pushed
the
flashloan-rebalancer-2
branch
from
84de3b4 to
af908aa
Compare
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
No description provided.