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| // SPDX-License-Identifier: UNLICENSED | ||
| pragma solidity ^0.8.19; | ||
|
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| import { SafeERC20 } from "oz/token/ERC20/utils/SafeERC20.sol"; | ||
|
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| import { stdError } from "forge-std/Test.sol"; | ||
|
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| import "contracts/utils/Errors.sol" as Errors; | ||
|
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| import "../Fixture.sol"; | ||
| import { IERC20Metadata } from "../mock/MockTokenPermit.sol"; | ||
| import "../utils/FunctionUtils.sol"; | ||
|
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| import "contracts/savings/Savings.sol"; | ||
| import "../mock/MockTokenPermit.sol"; | ||
| import "contracts/helpers/RebalancerFlashloan.sol"; | ||
| import "contracts/helpers/Harvester.sol"; | ||
|
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| contract HarvesterTest is Fixture, FunctionUtils { | ||
| using SafeERC20 for IERC20; | ||
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| RebalancerFlashloan public rebalancer; | ||
| Harvester public harvester; | ||
| Savings internal _saving; | ||
| address internal _savingImplementation; | ||
| string internal _name; | ||
| string internal _symbol; | ||
| address public collat; | ||
| uint64 public targetExposure; | ||
| uint64 public maxExposureYieldAsset; | ||
| uint64 public minExposureYieldAsset; | ||
|
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| function setUp() public override { | ||
| super.setUp(); | ||
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| MockTokenPermit token = new MockTokenPermit("EURC", "EURC", 6); | ||
| collat = address(token); | ||
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| _savingImplementation = address(new Savings()); | ||
| bytes memory data; | ||
| _saving = Savings(_deployUpgradeable(address(proxyAdmin), _savingImplementation, data)); | ||
| _name = "savingAgEUR"; | ||
| _symbol = "SAGEUR"; | ||
|
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| vm.startPrank(governor); | ||
| token.mint(governor, 1e12); | ||
| token.approve(address(_saving), 1e12); | ||
| _saving.initialize(accessControlManager, IERC20MetadataUpgradeable(address(token)), _name, _symbol, BASE_6); | ||
| vm.stopPrank(); | ||
| targetExposure = uint64((15 * 1e9) / 100); | ||
| maxExposureYieldAsset = uint64((80 * 1e9) / 100); | ||
| minExposureYieldAsset = uint64((5 * 1e9) / 100); | ||
| rebalancer = new RebalancerFlashloan(accessControlManager, transmuter, IERC3156FlashLender(governor)); | ||
| harvester = new Harvester( | ||
| address(rebalancer), | ||
| address(_saving), | ||
| targetExposure, | ||
| 1, | ||
| maxExposureYieldAsset, | ||
| minExposureYieldAsset, | ||
| 1e8 | ||
| ); | ||
| } | ||
|
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||
| function test_RebalancerInitialization() public { | ||
| assertEq(address(harvester.rebalancer()), address(rebalancer)); | ||
| assertEq(address(harvester.TRANSMUTER()), address(transmuter)); | ||
| assertEq(address(harvester.accessControlManager()), address(accessControlManager)); | ||
| (address vault, uint64 target, uint64 maxi, uint64 mini, uint64 overrideExp) = harvester.collateralData(collat); | ||
| assertEq(vault, address(_saving)); | ||
| assertEq(target, targetExposure); | ||
| assertEq(maxi, maxExposureYieldAsset); | ||
| assertEq(mini, minExposureYieldAsset); | ||
| assertEq(overrideExp, 1); | ||
| } | ||
|
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| function test_Constructor_RevertWhen_InvalidParams() public { | ||
| vm.expectRevert(); | ||
| new Harvester( | ||
| address(0), | ||
| address(_saving), | ||
| targetExposure, | ||
| 1, | ||
| maxExposureYieldAsset, | ||
| minExposureYieldAsset, | ||
| 1e8 | ||
| ); | ||
|
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| vm.expectRevert(); | ||
| new Harvester( | ||
| address(rebalancer), | ||
| address(0), | ||
| targetExposure, | ||
| 1, | ||
| maxExposureYieldAsset, | ||
| minExposureYieldAsset, | ||
| 1e8 | ||
| ); | ||
|
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| vm.expectRevert(Errors.InvalidParam.selector); | ||
| harvester = new Harvester( | ||
| address(rebalancer), | ||
| address(_saving), | ||
| 1e10, | ||
| 1, | ||
| maxExposureYieldAsset, | ||
| minExposureYieldAsset, | ||
| 1e8 | ||
| ); | ||
|
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| vm.expectRevert(Errors.InvalidParam.selector); | ||
| harvester = new Harvester( | ||
| address(rebalancer), | ||
| address(_saving), | ||
| 1e10, | ||
| 0, | ||
| maxExposureYieldAsset, | ||
| minExposureYieldAsset, | ||
| 1e8 | ||
| ); | ||
|
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| vm.expectRevert(Errors.InvalidParam.selector); | ||
| harvester = new Harvester(address(rebalancer), address(_saving), 1e9 / 10, 1, 1e10, minExposureYieldAsset, 1e8); | ||
|
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| vm.expectRevert(Errors.InvalidParam.selector); | ||
| harvester = new Harvester(address(rebalancer), address(_saving), 1e9 / 10, 1, 1e8, 2e8, 1e8); | ||
|
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| vm.expectRevert(Errors.InvalidParam.selector); | ||
| harvester = new Harvester( | ||
| address(rebalancer), | ||
| address(_saving), | ||
| targetExposure, | ||
| 1, | ||
| maxExposureYieldAsset, | ||
| minExposureYieldAsset, | ||
| 1e10 | ||
| ); | ||
| } | ||
|
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| function test_OnlyGuardian_RevertWhen_NotGuardian() public { | ||
| vm.expectRevert(Errors.NotGovernorOrGuardian.selector); | ||
| harvester.setRebalancer(alice); | ||
|
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| vm.expectRevert(Errors.NotGovernorOrGuardian.selector); | ||
| harvester.setCollateralData(address(_saving), targetExposure, 1, maxExposureYieldAsset, minExposureYieldAsset); | ||
|
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| vm.expectRevert(Errors.NotGovernorOrGuardian.selector); | ||
| harvester.setMaxSlippage(1e9); | ||
|
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| harvester.updateLimitExposuresYieldAsset(collat); | ||
| } | ||
|
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| function test_SettersHarvester() public { | ||
| vm.startPrank(governor); | ||
| vm.expectRevert(Errors.InvalidParam.selector); | ||
| harvester.setMaxSlippage(1e10); | ||
|
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| harvester.setMaxSlippage(123456); | ||
| assertEq(harvester.maxSlippage(), 123456); | ||
|
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| vm.expectRevert(Errors.ZeroAddress.selector); | ||
| harvester.setRebalancer(address(0)); | ||
|
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| harvester.setRebalancer(address(harvester)); | ||
| assertEq(address(harvester.rebalancer()), address(harvester)); | ||
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| harvester.setCollateralData( | ||
| address(_saving), | ||
| targetExposure + 10, | ||
| minExposureYieldAsset - 1, | ||
| maxExposureYieldAsset + 1, | ||
| 1 | ||
| ); | ||
| (address vault, uint64 target, uint64 maxi, uint64 mini, uint64 overrideExp) = harvester.collateralData(collat); | ||
| assertEq(vault, address(_saving)); | ||
| assertEq(target, targetExposure + 10); | ||
| assertEq(maxi, maxExposureYieldAsset + 1); | ||
| assertEq(mini, minExposureYieldAsset - 1); | ||
| assertEq(overrideExp, 1); | ||
|
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| harvester.setCollateralData( | ||
| address(_saving), | ||
| targetExposure + 10, | ||
| minExposureYieldAsset - 1, | ||
| maxExposureYieldAsset + 1, | ||
| 0 | ||
| ); | ||
| (vault, target, maxi, mini, overrideExp) = harvester.collateralData(collat); | ||
| assertEq(vault, address(_saving)); | ||
| assertEq(target, targetExposure + 10); | ||
| assertEq(maxi, 1e9); | ||
| assertEq(mini, 0); | ||
| assertEq(overrideExp, 0); | ||
|
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| vm.stopPrank(); | ||
| } | ||
|
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| function test_UpdateLimitExposuresYieldAsset() public { | ||
| bytes memory data; | ||
| Savings newVault = Savings(_deployUpgradeable(address(proxyAdmin), _savingImplementation, data)); | ||
| _name = "savingAgEUR"; | ||
| _symbol = "SAGEUR"; | ||
|
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| vm.startPrank(governor); | ||
| MockTokenPermit(address(eurA)).mint(governor, 1e12); | ||
| eurA.approve(address(newVault), 1e12); | ||
| newVault.initialize(accessControlManager, IERC20MetadataUpgradeable(address(eurA)), _name, _symbol, BASE_6); | ||
| transmuter.addCollateral(address(newVault)); | ||
| vm.stopPrank(); | ||
|
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| uint64[] memory xFeeMint = new uint64[](3); | ||
| int64[] memory yFeeMint = new int64[](3); | ||
|
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| xFeeMint[0] = 0; | ||
| xFeeMint[1] = uint64((15 * BASE_9) / 100); | ||
| xFeeMint[2] = uint64((2 * BASE_9) / 10); | ||
|
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| yFeeMint[0] = int64(1); | ||
| yFeeMint[1] = int64(uint64(BASE_9 / 10)); | ||
| yFeeMint[2] = int64(uint64((2 * BASE_9) / 10)); | ||
|
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| uint64[] memory xFeeBurn = new uint64[](3); | ||
| int64[] memory yFeeBurn = new int64[](3); | ||
|
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| xFeeBurn[0] = uint64(BASE_9); | ||
| xFeeBurn[1] = uint64(BASE_9 / 10); | ||
| xFeeBurn[2] = 0; | ||
|
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| yFeeBurn[0] = int64(1); | ||
| yFeeBurn[1] = int64(1); | ||
| yFeeBurn[2] = int64(uint64(BASE_9 / 10)); | ||
|
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| vm.startPrank(governor); | ||
| transmuter.setFees(address(newVault), xFeeBurn, yFeeBurn, false); | ||
| transmuter.setFees(address(newVault), xFeeMint, yFeeMint, true); | ||
| harvester.setCollateralData(address(newVault), targetExposure, minExposureYieldAsset, maxExposureYieldAsset, 0); | ||
| harvester.updateLimitExposuresYieldAsset(address(eurA)); | ||
|
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| (, , uint64 maxi, uint64 mini, ) = harvester.collateralData(address(eurA)); | ||
| assertEq(maxi, (15 * BASE_9) / 100); | ||
| assertEq(mini, BASE_9 / 10); | ||
| vm.stopPrank(); | ||
| } | ||
| } |
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