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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity 0.8.23; | ||
|
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||
| // Test imports | ||
| import {Fork_Shared_Test_} from "test/fork/shared/Shared.sol"; | ||
|
|
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| // Contracts | ||
| import {AbstractARM} from "contracts/AbstractARM.sol"; | ||
|
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| contract Fork_Concrete_LidoARM_SetCrossPrice_Test_ is Fork_Shared_Test_ { | ||
| ////////////////////////////////////////////////////// | ||
| /// --- SETUP | ||
| ////////////////////////////////////////////////////// | ||
| function setUp() public override { | ||
| super.setUp(); | ||
| } | ||
|
|
||
| ////////////////////////////////////////////////////// | ||
| /// --- REVERTING TESTS | ||
| ////////////////////////////////////////////////////// | ||
| function test_RevertWhen_SetCrossPrice_Because_NotOwner() public asRandomAddress { | ||
| vm.expectRevert("ARM: Only owner can call this function."); | ||
| lidoARM.setCrossPrice(0.9998e36); | ||
| } | ||
|
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| function test_RevertWhen_SetCrossPrice_Because_Operator() public asOperator { | ||
| vm.expectRevert("ARM: Only owner can call this function."); | ||
| lidoARM.setCrossPrice(0.9998e36); | ||
| } | ||
|
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| function test_RevertWhen_SetCrossPrice_Because_CrossPriceTooLow() public { | ||
| vm.expectRevert("ARM: cross price too low"); | ||
| lidoARM.setCrossPrice(0); | ||
| } | ||
|
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||
| function test_RevertWhen_SetCrossPrice_Because_CrossPriceTooHigh() public { | ||
| uint256 priceScale = 10 ** 36; | ||
| vm.expectRevert("ARM: cross price too high"); | ||
| lidoARM.setCrossPrice(priceScale + 1); | ||
| } | ||
|
|
||
| function test_RevertWhen_SetCrossPrice_Because_BuyPriceTooHigh() public { | ||
| lidoARM.setPrices(1e36 - 20e32 + 1, 1000 * 1e33 + 1); | ||
| vm.expectRevert("ARM: buy price too high"); | ||
| lidoARM.setCrossPrice(1e36 - 20e32); | ||
| } | ||
|
|
||
| function test_RevertWhen_SetCrossPrice_Because_SellPriceTooLow() public { | ||
| // To make it revert we need to try to make cross price above the sell1. | ||
| // But we need to keep cross price below 1e36! | ||
| // So first we reduce buy and sell price to minimum values | ||
| lidoARM.setPrices(1e36 - 20e32, 1000 * 1e33 + 1); | ||
| // This allow us to set a cross price below 1e36 | ||
| lidoARM.setCrossPrice(1e36 - 20e32 + 1); | ||
| // Then we make both buy and sell price below the 1e36 | ||
| lidoARM.setPrices(1e36 - 20e32, 1e36 - 20e32 + 1); | ||
|
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| // Then we try to set cross price above the sell price | ||
| vm.expectRevert("ARM: sell price too low"); | ||
| lidoARM.setCrossPrice(1e36 - 20e32 + 2); | ||
| } | ||
|
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||
| function test_RevertWhen_SetCrossPrice_Because_TooManyBaseAssets() public { | ||
| deal(address(steth), address(lidoARM), MIN_TOTAL_SUPPLY + 1); | ||
| vm.expectRevert("ARM: too many base assets"); | ||
| lidoARM.setCrossPrice(1e36 - 1); | ||
| } | ||
|
|
||
| ////////////////////////////////////////////////////// | ||
| /// --- PASSING TESTS | ||
| ////////////////////////////////////////////////////// | ||
| function test_SetCrossPrice_No_StETH_Owner() public { | ||
| deal(address(steth), address(lidoARM), MIN_TOTAL_SUPPLY - 1); | ||
|
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||
| // at 1.0 | ||
| vm.expectEmit({emitter: address(lidoARM)}); | ||
| emit AbstractARM.CrossPriceUpdated(1e36); | ||
| lidoARM.setCrossPrice(1e36); | ||
|
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| // 20 basis points lower than 1.0 | ||
| vm.expectEmit({emitter: address(lidoARM)}); | ||
| emit AbstractARM.CrossPriceUpdated(0.998e36); | ||
| lidoARM.setCrossPrice(0.998e36); | ||
| } | ||
|
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| function test_SetCrossPrice_With_StETH_PriceUp_Owner() public { | ||
| // 2 basis points lower than 1.0 | ||
| lidoARM.setCrossPrice(0.9998e36); | ||
|
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| deal(address(steth), address(lidoARM), MIN_TOTAL_SUPPLY + 1); | ||
|
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| // 1 basis points lower than 1.0 | ||
| lidoARM.setCrossPrice(0.9999e36); | ||
| } | ||
| } |
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