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* chore: rebalancer review * fixes * fix: tests in the PR * fix: setOrder function * feat: deployment script * adjust check on decimals --------- Co-authored-by: Pablo Veyrat <[email protected]>
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| // SPDX-License-Identifier: GPL-3.0 | ||
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| pragma solidity >=0.5.0; | ||
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| struct Order { | ||
| // Total agToken budget allocated to subsidize the swaps between the tokens associated to the order | ||
| uint112 subsidyBudget; | ||
| // Decimals of the `tokenIn` associated to the order | ||
| uint8 decimalsIn; | ||
| // Decimals of the `tokenOut` associated to the order | ||
| uint8 decimalsOut; | ||
| // Guaranteed exchange rate in `BASE_18` for the swaps between the `tokenIn` and `tokenOut` associated to | ||
| // the order. This rate is a minimum rate guaranteed up to when the `subsidyBudget` is fully consumed | ||
| uint128 guaranteedRate; | ||
| } | ||
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| /// @title IRebalancer | ||
| /// @author Angle Labs, Inc. | ||
| interface IRebalancer { | ||
| /// @notice Swaps `tokenIn` for `tokenOut` through an intermediary agToken mint from `tokenIn` and | ||
| /// burn to `tokenOut`. Eventually, this transaction may be sponsored and yield an amount of `tokenOut` | ||
| /// higher than what would be obtained through a mint and burn directly on the `transmuter` | ||
| /// @param amountIn Amount of `tokenIn` to bring for the rebalancing | ||
| /// @param amountOutMin Minimum amount of `tokenOut` that must be obtained from the swap | ||
| /// @param to Address to which `tokenOut` must be sent | ||
| /// @param deadline Timestamp before which this transaction must be included | ||
| /// @return amountOut Amount of outToken obtained | ||
| function swapExactInput( | ||
| uint256 amountIn, | ||
| uint256 amountOutMin, | ||
| address tokenIn, | ||
| address tokenOut, | ||
| address to, | ||
| uint256 deadline | ||
| ) external returns (uint256 amountOut); | ||
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| /// @notice Approximates how much a call to `swapExactInput` with the same parameters would yield in terms | ||
| /// of `amountOut` | ||
| function quoteIn(uint256 amountIn, address tokenIn, address tokenOut) external view returns (uint256 amountOut); | ||
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| /// @notice Helper to compute the minimum guaranteed amount out that would be obtained from a swap of `amountIn` | ||
| /// of `tokenIn` to `tokenOut` | ||
| function getGuaranteedAmountOut( | ||
| address tokenIn, | ||
| address tokenOut, | ||
| uint256 amountIn | ||
| ) external view returns (uint256); | ||
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| /// @notice Lets governance set an order to subsidize rebalances between `tokenIn` and `tokenOut` | ||
| function setOrder(address tokenIn, address tokenOut, uint256 subsidyBudget, uint256 guaranteedRate) external; | ||
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| /// @notice Recovers `amount` of `token` to the `to` address | ||
| /// @dev This function checks if too much is not being recovered with respect to currently available budgets | ||
| function recover(address token, uint256 amount, address to) external; | ||
| } |
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| // SPDX-License-Identifier: GPL-3.0 | ||
| pragma solidity ^0.8.19; | ||
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| import { Utils } from "./utils/Utils.s.sol"; | ||
| import { console } from "forge-std/console.sol"; | ||
| import { Rebalancer } from "contracts/helpers/Rebalancer.sol"; | ||
| import { IAccessControlManager } from "contracts/utils/AccessControl.sol"; | ||
| import { ITransmuter } from "contracts/interfaces/ITransmuter.sol"; | ||
| import "./Constants.s.sol"; | ||
| import "oz/interfaces/IERC20.sol"; | ||
| import "oz-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol"; | ||
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| contract DeployRebalancer is Utils { | ||
| function run() external { | ||
| uint256 deployerPrivateKey = vm.deriveKey(vm.envString("MNEMONIC_FORK"), "m/44'/60'/0'/0/", 0); | ||
| vm.startBroadcast(deployerPrivateKey); | ||
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| address deployer = vm.addr(deployerPrivateKey); | ||
| console.log("Deployer address: ", deployer); | ||
| Rebalancer rebalancer = new Rebalancer(IAccessControlManager(ACCESS_CONTROL_MANAGER), ITransmuter(TRANSMUTER)); | ||
| console.log("Rebalancer deployed at: ", address(rebalancer)); | ||
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| vm.stopBroadcast(); | ||
| } | ||
| } |
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