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fluid-contracts-public/test/foundry/liquidity/liquidityReadModule.t.sol
Samyak Jain d7a58e88ff Merge pull request #433 from Instadapp/feature/arb-deploy-protocols 
ARB: deploy protocols
2024-07-11 13:05:09 +00:00

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//SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
// todo: transfer to resolver tests -> or integrate with Liquidity tests directly?
// import { LiquidityBaseTest } from "./liquidityBaseTest.t.sol";
// import { AuthModule, GuardianModule } from "../../../contracts/liquidity/adminModule/main.sol";
// import { FluidLiquidityUserModule } from "../../../contracts/liquidity/userModule/main.sol";
// import { ReadModule } from "../../../contracts/liquidity/readModule/main.sol";
// contract LiquidityReadModuleBaseTest is LiquidityBaseTest {
// function setUp() public virtual override {
// super.setUp();
// _setDefaultRateDataV1(address(liquidity), admin, address(USDC));
// _setDefaultRateDataV1(address(liquidity), admin, address(DAI));
// _setDefaultTokenFee(address(liquidity), admin, address(USDC));
// _setDefaultTokenFee(address(liquidity), admin, address(DAI));
// _setUserAllowancesDefault(address(liquidity), admin, address(USDC), alice);
// _setUserAllowancesDefault(address(liquidity), admin, address(DAI), alice);
// _setUserAllowancesDefault(address(liquidity), admin, address(USDC), bob);
// _setUserAllowancesDefault(address(liquidity), admin, address(DAI), bob);
// }
// }
// contract LiquidityReadModuleConfigsTest is LiquidityReadModuleBaseTest {
// function testReadGovernanceAddress() public {
// assertEq(ReadModule(address(liquidity)).governance(), admin);
// }
// /// @dev all other view Methods regarding adminModule are indirectly tested through the other tests for adminModule
// /// that update the respective value and then check via the view method if it was set (i.e. and read) correctly!
// /// specifically the following methods are covered in liquidityAdminModule tests:
// /// - ReadModule.allowancesOf.selector, (tested in liquidityUserModule tests)
// /// - ReadModule.tokenFee.selector,
// /// - ReadModule.riskyYieldPremium.selector,
// /// - ReadModule.isAuth.selector,
// /// - ReadModule.isGuardian.selector,
// /// - ReadModule.isPaused.selector,
// /// - ReadModule.rateDataV1.selector,
// /// - ReadModule.rateDataV2.selector,
// /// - ReadModule.rateDataVersion.selector
// /// - ReadModule.revenue.selector
// }
// contract LiquidityReadModuleBalancesOfTest is LiquidityReadModuleBaseTest {
// function testReadBalancesOf() public {
// // 1. supply safe as alice
// // prank msg.sender to be alice
// vm.prank(alice);
// // execute supplySafe
// FluidLiquidityUserModule(address(liquidity)).supplySafe(address(USDC), DEFAULT_SUPPLY_AMOUNT, alice);
// // 2. borrow as bob
// // prank msg.sender to be bob
// vm.prank(bob);
// // execute borrow
// FluidLiquidityUserModule(address(liquidity)).borrow(address(USDC), DEFAULT_BORROW_AMOUNT, bob);
// // 3. simulate passing time (2 days)
// vm.warp(block.timestamp + 2 days);
// // 4. supply risky as alice
// // prank msg.sender to be alice
// vm.prank(alice);
// // execute supplyRisky
// FluidLiquidityUserModule(address(liquidity)).supplyRisky(address(USDC), DEFAULT_SUPPLY_AMOUNT, alice);
// // 5. check balances of for alice, who supplied safe and risky but did not borrow
// // for calculation of exchange prices explanation see test "testUserExchangePricesEventsWithBorrowers"
// uint256 newBorrowExchangePrice = EXCHANGE_PRICES_PRECISION + 424657535; // 0,04246575342465753424657534247% in 12 decimals, rounded up
// uint256 newSupplySafeExchangePrice = EXCHANGE_PRICES_PRECISION + 201712328; // 0,000201712328767123287671232876732 in 12 decimals
// (uint256 suppliedSafe_, uint256 suppliedRisky_, uint256 borrowed_) = ReadModule(address(liquidity)).balancesOf(
// address(USDC),
// alice
// );
// // suppliedSafe_ = supply amount * current exchange price.
// assertEq(suppliedSafe_, (DEFAULT_SUPPLY_AMOUNT * newSupplySafeExchangePrice) / EXCHANGE_PRICES_PRECISION);
// // supply risky has just now been supplied, didn't receive any interest yet
// assertEq(suppliedRisky_, 1e18);
// // alice has no borrowings
// assertEq(borrowed_, 0); //
// // 6. check balances of for bob, who only borrowed
// (suppliedSafe_, suppliedRisky_, borrowed_) = ReadModule(address(liquidity)).balancesOf(address(USDC), bob);
// // bob has no supplies
// assertEq(suppliedSafe_, 0);
// assertEq(suppliedRisky_, 0);
// // borrowed_ = borrow amount * current exchange price.
// assertEq(borrowed_, (DEFAULT_BORROW_AMOUNT * newBorrowExchangePrice) / EXCHANGE_PRICES_PRECISION);
// // 7. simulate passing time again (2 days)
// vm.warp(block.timestamp + 2 days);
// // 8. check balances of for alice, who supplied safe and risky but did not borrow
// // calculation of new exchange prices based on see test "testUserExchangePricesEventsWithBorrowers"
// // utilization = 25008 (raw borrow / raw supply)
// // borrow rate annual = 4% + 1.8756% (25.008 / 8 * 0.6%) = 5.8756%
// // passed time in percent = 172800 / 31536000 = 0,00547945205479452054794520548, rounded up in 1e12: 0,00547945206
// // so rate increase = 5.8756% * 0,00547945206 = 0,032195068523736 %
// // total new borrowings = previous borrow amount raw * rate increase.
// // = 0,500212328767120000 * 0,032195068493150684931506849 % = 0,000161043701857758
// // lenders get this minus token fee (5%) = 0,000152991516764870
// // supplies are supply risky = 1 ether. supply safe = 1 ether * previous exchange price (1,000201712328767122)
// // total supply = 2,000201712328767122, percentages: safe 50,0050422996721734420995826015%
// // so safe gets 0,000152991516764870 * 50,005[] % = 0,000076503472673183, adding this to previous safe supply
// // = 1,00020171232876 + 0,000076503472673183 = 1,000278215801433183
// // risky gets the rest, 0,000076488044091687, adding to previous supply is simply this plus 1e18
// newBorrowExchangePrice = (newBorrowExchangePrice * 1000321950686) / EXCHANGE_PRICES_PRECISION; // 0,032195068523736 % in 12 decimals, rounded up
// newSupplySafeExchangePrice += 201712328; // 0,000201712328767123287671232876732 in 12 decimals
// (suppliedSafe_, suppliedRisky_, borrowed_) = ReadModule(address(liquidity)).balancesOf(address(USDC), alice);
// assertEq(suppliedSafe_, 1000278215800000000); // 1,000278215801433183 in EXCHANGE_PRICES_PRECISION
// assertEq(suppliedRisky_, 1000076488044000000);
// // alice has no borrowings
// assertEq(borrowed_, 0);
// // 8. check balances of for bob, who only borrowed
// (suppliedSafe_, suppliedRisky_, borrowed_) = ReadModule(address(liquidity)).balancesOf(address(USDC), bob);
// // bob has no supplies
// assertEq(suppliedSafe_, 0);
// assertEq(suppliedRisky_, 0);
// // borrowed_ = borrow amount * new exchange price.
// assertEq(borrowed_, (DEFAULT_BORROW_AMOUNT * newBorrowExchangePrice) / EXCHANGE_PRICES_PRECISION);
// }
// }
// contract LiquidityReadModuleRatesTest is LiquidityReadModuleBaseTest {
// function setUp() public override {
// super.setUp();
// // set default risky yield premium
// _setDefaultRiskyYieldPremium(address(liquidity), admin, address(USDC));
// }
// // ---------------- UTILIZATION --------------------------------
// function testReadUtilizationNoBorrowers() public {
// // 1. set utilization
// _setSupplySafeUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// assertEq(ReadModule(address(liquidity)).utilization(address(USDC)), 0);
// }
// function testReadUtilizationSomeBorrowers() public {
// // 1. set utilization
// _setSupplySafeUtilization(50 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// assertEq(
// ReadModule(address(liquidity)).utilization(address(USDC)),
// (DEFAULT_BORROW_AMOUNT * 1e6) / DEFAULT_SUPPLY_AMOUNT
// );
// }
// function testReadUtilizationMaxBorrowers() public {
// // 1. set utilization
// _setSupplySafeUtilization(100 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// assertEq(ReadModule(address(liquidity)).utilization(address(USDC)), 1e6);
// }
// // ---------------- BORROW APR --------------------------------
// function testReadBorrowAPRNoBorrowers() public {
// // 1. set utilization
// _setSupplySafeUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// assertEq(ReadModule(address(liquidity)).borrowAPR(address(USDC)), DEFAULT_RATE_AT_ZERO / 1e2);
// }
// function testReadBorrowAPRBelowKink() public {
// // 1. set utilization
// _setSupplySafeUtilization(40 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results (7% in 1e6 because constant + half way to kink which is 10% at 80%)
// assertEq(ReadModule(address(liquidity)).borrowAPR(address(USDC)), 7_000_000 / 1e2);
// }
// function testReadBorrowAPRAtKink() public {
// // 1. set utilization
// _setSupplySafeUtilization(80 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// assertEq(ReadModule(address(liquidity)).borrowAPR(address(USDC)), DEFAULT_RATE_AT_KINK / 1e2);
// }
// function testReadBorrowAPRAboveKink() public {
// // 1. set utilization
// _setSupplySafeUtilization(90 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results (80% in 1e6 because kink + half way to max which is 150% at 100%)
// assertEq(ReadModule(address(liquidity)).borrowAPR(address(USDC)), 80_000_000 / 1e2);
// }
// function testReadBorrowAPRAtMax() public {
// // 1. set utilization
// _setSupplySafeUtilization(100 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results (80% in 1e6 because kink + half way to max which is 150% at 100%)
// assertEq(ReadModule(address(liquidity)).borrowAPR(address(USDC)), DEFAULT_RATE_AT_MAX / 1e2);
// }
// // ---------------- SUPPLY SAFE APR --------------------------------
// function testReadSupplySafeAPRNoBorrowers() public {
// // 1. set utilization
// _setSupplySafeUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// assertEq(ReadModule(address(liquidity)).supplySafeAPR(address(USDC)), 0);
// }
// function testReadSupplySafeAPRBelowKinkNoRiskySuppliers() public {
// // 1. set utilization
// _setSupplySafeUtilization(40 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // borrow APR = 7%, minus token fee 5% of it is 6.65%
// assertEq(ReadModule(address(liquidity)).supplySafeAPR(address(USDC)), 6_650_000 / 1e2);
// }
// function testReadSupplySafeAPRBelowKinkWithRiskySuppliers() public {
// // 1. set utilization
// _setSupplySafeAndRiskyUtilization(40 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // borrow APR = 7%, minus token fee 5% of it is 6.65%
// // 20% of that goes from safe to risky, 6.65% * 80% = 5,32%
// assertEq(ReadModule(address(liquidity)).supplySafeAPR(address(USDC)), 5_320_000 / 1e2);
// }
// function testReadSupplySafeAPRAtKinkNoRiskySuppliers() public {
// // 1. set utilization
// _setSupplySafeUtilization(80 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // default rate at kink = 10%, minus the 5% token fee is 9.5%
// assertEq(ReadModule(address(liquidity)).supplySafeAPR(address(USDC)), 9_500_000 / 1e2);
// }
// function testReadSupplySafeAPRAtKinkWithRiskySuppliers() public {
// // 1. set utilization
// _setSupplySafeAndRiskyUtilization(80 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // default rate at kink = 10%, minus the 5% token fee is 9.5%
// // 20% of that goes from safe to risky, 9.5% * 80% = 7,6%
// assertEq(ReadModule(address(liquidity)).supplySafeAPR(address(USDC)), 7_600_000 / 1e2);
// }
// function testReadSupplySafeAPRAboveKinkNoRiskySuppliers() public {
// // 1. set utilization
// _setSupplySafeUtilization(90 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // borrow rate = 80% in 1e6 because kink + half way to max which is 150% at 100%
// // minus the 5% token fee is 76%
// assertEq(ReadModule(address(liquidity)).supplySafeAPR(address(USDC)), 76_000_000 / 1e2);
// }
// function testReadSupplySafeAPRAboveKinkWithRiskySuppliers() public {
// // 1. set utilization
// _setSupplySafeAndRiskyUtilization(90 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // 76% but 20% of that goes to risky suppliers -> 60,8%
// assertEq(ReadModule(address(liquidity)).supplySafeAPR(address(USDC)), 60_800_000 / 1e2);
// }
// function testReadSupplySafeAPRAtMaxNoRiskySuppliers() public {
// // 1. set utilization
// _setSupplySafeUtilization(100 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // Default rate at max = 150%, minus the 5% token fee is 142.5%
// assertEq(ReadModule(address(liquidity)).supplySafeAPR(address(USDC)), 142_500_000 / 1e2);
// }
// function testReadSupplySafeAPRAtMaxkWithRiskySuppliers() public {
// // 1. set utilization
// _setSupplySafeAndRiskyUtilization(100 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // 142.5% but 20% of that goes to risky suppliers -> 114%
// assertEq(ReadModule(address(liquidity)).supplySafeAPR(address(USDC)), 114_000_000 / 1e2);
// }
// // ---------------- SUPPLY RISKY APR --------------------------------
// function testReadSupplyRiskyAPRNoBorrowers() public {
// // 1. set utilization
// _setSupplyRiskyUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// assertEq(ReadModule(address(liquidity)).supplyRiskyAPR(address(USDC)), 0);
// }
// function testReadSupplyRiskyAPRBelowKinkNoSafeSuppliers() public {
// // 1. set utilization
// _setSupplyRiskyUtilization(40 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // 65_500_000_000
// // borrow APR = 7%, minus token fee 5% of it is 6.65%
// assertEq(ReadModule(address(liquidity)).supplyRiskyAPR(address(USDC)), 6_650_000 / 1e2);
// }
// function testReadSupplyRiskyAPRBelowKinkWithSafeSuppliers() public {
// // 1. set utilization
// _setSupplySafeAndRiskyUtilization(40 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // borrow APR = 7%, minus token fee 5% of it is 6.65%
// // safeEarnings = Default supply * 6.65% = 1_000_000_000_000_000_000 * 6.65% = 66_500_000_000_000_000
// // 20% of that goes from safe to risky, 66_500_000_000_000_000 * 20% = 13_300_000_000_000_000
// // risky earnings = 66_500_000_000_000_000 + 13_300_000_000_000_000 = 79_800_000_000_000_000
// assertEq(ReadModule(address(liquidity)).supplyRiskyAPR(address(USDC)), 7_980_000 / 1e2);
// }
// function testReadSupplyRiskyAPRAtKinkNoSafeSuppliers() public {
// // 1. set utilization
// _setSupplyRiskyUtilization(80 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // default rate at kink = 10%, minus the 5% token fee is 9.5%
// assertEq(ReadModule(address(liquidity)).supplyRiskyAPR(address(USDC)), 9_500_000 / 1e2);
// }
// function testReadSupplyRiskyAPRAtKinkWithSafeSuppliers() public {
// // 1. set utilization
// _setSupplySafeAndRiskyUtilization(80 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // default rate at kink = 10%, minus the 5% token fee is 9.5%
// // safeEarnings = Default supply * 9.5% = 1_000_000_000_000_000_000 * 9.5% = 95_000_000_000_000_000
// // 20% of that goes from safe to risky, 95_000_000_000_000_000 * 20% = 19_000_000_000_000_000
// // risky earnings = 95_000_000_000_000_000 + 19_000_000_000_000_000 = 114_000_000_000_000_000
// assertEq(ReadModule(address(liquidity)).supplyRiskyAPR(address(USDC)), 11_400_000 / 1e2);
// }
// function testReadSupplyRiskyAPRAboveKinkNoSafeSuppliers() public {
// // 1. set utilization
// _setSupplyRiskyUtilization(90 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // borrow rate = 80% in 1e6 because kink + half way to max which is 150% at 100%, so: 10% + 70%
// // minus the 5% token fee is 76%
// assertEq(ReadModule(address(liquidity)).supplyRiskyAPR(address(USDC)), 76_000_000 / 1e2);
// }
// function testReadSupplyRiskyAPRAboveKinkWithSafeSuppliers() public {
// // 1. set utilization
// _setSupplySafeAndRiskyUtilization(90 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // safeEarnings = Default supply * 76% = 1_000_000_000_000_000_000 * 76% = 760_000_000_000_000_000
// // 20% of that goes from safe to risky, 760_000_000_000_000_000 * 20% = 152_000_000_000_000_000
// // risky earnings = 760_000_000_000_000_000 + 152_000_000_000_000_000 = 912_000_000_000_000_000
// assertEq(ReadModule(address(liquidity)).supplyRiskyAPR(address(USDC)), 91_200_000 / 1e2);
// }
// function testReadSupplyRiskyAPRAtMaxNoSafeSuppliers() public {
// // 1. set utilization
// _setSupplyRiskyUtilization(100 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // Default rate at max = 150%, minus the 5% token fee is 142.5%
// assertEq(ReadModule(address(liquidity)).supplyRiskyAPR(address(USDC)), 142_500_000 / 1e2);
// }
// function testReadSupplyRiskyAPRAtMaxkWithSafeSuppliers() public {
// // 1. set utilization
// _setSupplySafeAndRiskyUtilization(100 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 2. assert expected results
// // safeEarnings = Default supply * 142.5% = 1_000_000_000_000_000_000 * 142.5% = 14_250_000_000_000_000_000
// // 20% of that goes from safe to risky, 14_250_000_000_000_000_000 * 20% = 2_850_000_000_000_000_000
// // risky earnings = 14_250_000_000_000_000_000 + 2_850_000_000_000_000_000 = 17_100_000_000_000_000_000
// assertEq(ReadModule(address(liquidity)).supplyRiskyAPR(address(USDC)), 171_000_000 / 1e2);
// }
// }
// contract LiquidityReadModuleTotalAmountsTest is LiquidityReadModuleBaseTest {
// function testReadTotalSupplySafe() public {
// // 1. assert initial values
// assertEq(ReadModule(address(liquidity)).totalSupplySafe(address(USDC)), 0);
// // 2. set utilization (will execute supply)
// _setSupplySafeUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 3. assert expected results
// assertEq(ReadModule(address(liquidity)).totalSupplySafe(address(USDC)), DEFAULT_SUPPLY_AMOUNT);
// // 4. set utilization (will execute supply again)
// _setSupplySafeUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 5. assert expected results
// assertEq(ReadModule(address(liquidity)).totalSupplySafe(address(USDC)), DEFAULT_SUPPLY_AMOUNT * 2);
// // 6. withdraw some amount
// vm.prank(alice);
// FluidLiquidityUserModule(address(liquidity)).withdrawSafe(address(USDC), DEFAULT_WITHDRAW_AMOUNT, alice);
// // 7. assert expected results
// assertEq(
// ReadModule(address(liquidity)).totalSupplySafe(address(USDC)),
// DEFAULT_SUPPLY_AMOUNT * 2 - DEFAULT_WITHDRAW_AMOUNT
// );
// }
// function testReadTotalSupplyRisky() public {
// // 1. assert initial values
// assertEq(ReadModule(address(liquidity)).totalSupplyRisky(address(USDC)), 0);
// // 2. set utilization (will execute supply)
// _setSupplyRiskyUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 3. assert expected results
// assertEq(ReadModule(address(liquidity)).totalSupplyRisky(address(USDC)), DEFAULT_SUPPLY_AMOUNT);
// // 4. set utilization (will execute supply again)
// _setSupplyRiskyUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 5. assert expected results
// assertEq(ReadModule(address(liquidity)).totalSupplyRisky(address(USDC)), DEFAULT_SUPPLY_AMOUNT * 2);
// // 6. withdraw some amount
// vm.prank(alice);
// FluidLiquidityUserModule(address(liquidity)).withdrawRisky(address(USDC), DEFAULT_WITHDRAW_AMOUNT, alice);
// // 7. assert expected results
// assertEq(
// ReadModule(address(liquidity)).totalSupplyRisky(address(USDC)),
// DEFAULT_SUPPLY_AMOUNT * 2 - DEFAULT_WITHDRAW_AMOUNT
// );
// }
// function testReadTotalSupply() public {
// // 1. assert initial values
// assertEq(ReadModule(address(liquidity)).totalSupplySafe(address(USDC)), 0);
// assertEq(ReadModule(address(liquidity)).totalSupplyRisky(address(USDC)), 0);
// assertEq(ReadModule(address(liquidity)).totalSupply(address(USDC)), 0);
// // 2. set utilization (will execute supply risky)
// _setSupplyRiskyUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 3. assert expected results
// assertEq(ReadModule(address(liquidity)).totalSupplySafe(address(USDC)), 0);
// assertEq(ReadModule(address(liquidity)).totalSupplyRisky(address(USDC)), DEFAULT_SUPPLY_AMOUNT);
// assertEq(ReadModule(address(liquidity)).totalSupply(address(USDC)), DEFAULT_SUPPLY_AMOUNT);
// // 4. set utilization (will execute supply safe)
// _setSupplySafeUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 5. assert expected results
// assertEq(ReadModule(address(liquidity)).totalSupplySafe(address(USDC)), DEFAULT_SUPPLY_AMOUNT);
// assertEq(ReadModule(address(liquidity)).totalSupplyRisky(address(USDC)), DEFAULT_SUPPLY_AMOUNT);
// assertEq(ReadModule(address(liquidity)).totalSupply(address(USDC)), DEFAULT_SUPPLY_AMOUNT * 2);
// // 6. set utilization (will execute supply safe & supply risky)
// _setSupplySafeAndRiskyUtilization(0 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 7. assert expected results
// assertEq(ReadModule(address(liquidity)).totalSupplySafe(address(USDC)), DEFAULT_SUPPLY_AMOUNT * 2);
// assertEq(ReadModule(address(liquidity)).totalSupplyRisky(address(USDC)), DEFAULT_SUPPLY_AMOUNT * 2);
// assertEq(ReadModule(address(liquidity)).totalSupply(address(USDC)), DEFAULT_SUPPLY_AMOUNT * 4);
// // 8. withdraw some amount
// vm.prank(alice);
// FluidLiquidityUserModule(address(liquidity)).withdrawRisky(address(USDC), DEFAULT_WITHDRAW_AMOUNT, alice);
// // 9. assert expected results
// assertEq(ReadModule(address(liquidity)).totalSupplySafe(address(USDC)), DEFAULT_SUPPLY_AMOUNT * 2);
// assertEq(
// ReadModule(address(liquidity)).totalSupplyRisky(address(USDC)),
// DEFAULT_SUPPLY_AMOUNT * 2 - DEFAULT_WITHDRAW_AMOUNT
// );
// assertEq(
// ReadModule(address(liquidity)).totalSupply(address(USDC)),
// DEFAULT_SUPPLY_AMOUNT * 4 - DEFAULT_WITHDRAW_AMOUNT
// );
// }
// function testReadTotalBorrow() public {
// // 1. assert initial values
// assertEq(ReadModule(address(liquidity)).totalBorrow(address(USDC)), 0);
// // 2. set utilization (will execute supply safe & supply risky & borrow)
// _setSupplySafeAndRiskyUtilization(50 * 1e4, address(liquidity), address(USDC), alice, bob);
// // 3. assert expected results
// assertEq(ReadModule(address(liquidity)).totalSupply(address(USDC)), DEFAULT_SUPPLY_AMOUNT * 2);
// // total borrow should be 50% of total supply
// assertEq(ReadModule(address(liquidity)).totalBorrow(address(USDC)), DEFAULT_SUPPLY_AMOUNT);
// // 4. borrow more
// // prank msg.sender to be bob
// vm.prank(bob);
// FluidLiquidityUserModule(address(liquidity)).borrow(address(USDC), DEFAULT_BORROW_AMOUNT, bob);
// // 5. assert expected results
// assertEq(
// ReadModule(address(liquidity)).totalBorrow(address(USDC)),
// DEFAULT_SUPPLY_AMOUNT + DEFAULT_BORROW_AMOUNT
// );
// }
// }
// /// @dev The following tests are almost identical with LiquidityUserModuleUpdateExchangePricesTest
// contract LiquidityReadModuleExchangePricesTest is LiquidityReadModuleBaseTest {
// function testReadExchangePricesDefault() public {
// // read
// address[] memory tokens_ = new address[](2);
// tokens_[0] = address(USDC);
// tokens_[1] = address(DAI);
// (
// uint256[] memory supplySafeExchangePrices,
// uint256[] memory supplyRiskyExchangePrices,
// uint256[] memory borrowExchangePrices
// ) = ReadModule(address(liquidity)).exchangePrices(tokens_);
// // assert for USDC
// assertEq(supplySafeExchangePrices[0], EXCHANGE_PRICES_PRECISION);
// assertEq(supplyRiskyExchangePrices[0], EXCHANGE_PRICES_PRECISION);
// assertEq(borrowExchangePrices[0], EXCHANGE_PRICES_PRECISION);
// // assert for DAI
// assertEq(supplySafeExchangePrices[1], EXCHANGE_PRICES_PRECISION);
// assertEq(supplyRiskyExchangePrices[1], EXCHANGE_PRICES_PRECISION);
// assertEq(borrowExchangePrices[1], EXCHANGE_PRICES_PRECISION);
// }
// function testReadExchangePricesSupplySafe() public {
// // 1. supply safe as alice
// // prank msg.sender to be alice
// vm.prank(alice);
// // execute supplySafe
// FluidLiquidityUserModule(address(liquidity)).supplySafe(address(USDC), DEFAULT_SUPPLY_AMOUNT, alice);
// // 2. borrow as bob
// // prank msg.sender to be bob
// vm.prank(bob);
// // execute borrow
// FluidLiquidityUserModule(address(liquidity)).borrow(address(USDC), DEFAULT_BORROW_AMOUNT, bob);
// // 3. simulate passing time (2 days)
// vm.warp(block.timestamp + 2 days);
// // 4. check exchange prices
// // for calculation of exchange prices explanation see test "testUserExchangePricesEventsWithBorrowers"
// uint256 newBorrowExchangePrice = EXCHANGE_PRICES_PRECISION + 424657535; // 0,04246575342465753424657534247% in 12 decimals, rounded up
// uint256 newSupplySafeExchangePrice = EXCHANGE_PRICES_PRECISION + 201712328; // 0,000201712328767123287671232876732 in 12 decimals
// // read
// address[] memory tokens_ = new address[](2);
// tokens_[0] = address(USDC);
// tokens_[1] = address(DAI);
// (
// uint256[] memory supplySafeExchangePrices,
// uint256[] memory supplyRiskyExchangePrices,
// uint256[] memory borrowExchangePrices
// ) = ReadModule(address(liquidity)).exchangePrices(tokens_);
// // assert for USDC
// assertEq(supplySafeExchangePrices[0], newSupplySafeExchangePrice);
// assertEq(supplyRiskyExchangePrices[0], EXCHANGE_PRICES_PRECISION);
// assertEq(borrowExchangePrices[0], newBorrowExchangePrice);
// // assert for DAI
// assertEq(supplySafeExchangePrices[1], EXCHANGE_PRICES_PRECISION);
// assertEq(supplyRiskyExchangePrices[1], EXCHANGE_PRICES_PRECISION);
// assertEq(borrowExchangePrices[1], EXCHANGE_PRICES_PRECISION);
// }
// function testReadExchangePrices() public {
// // set risky yield premium
// _setDefaultRiskyYieldPremium(address(liquidity), admin, address(USDC));
// // 1. supply safe as alice
// // USDC
// // prank msg.sender to be alice
// vm.prank(alice);
// // execute supplySafe, only half amount to have same utilization as in other test
// FluidLiquidityUserModule(address(liquidity)).supplySafe(address(USDC), DEFAULT_SUPPLY_AMOUNT / 2, alice);
// // DAI
// // prank msg.sender to be alice
// vm.prank(alice);
// // execute supplySafe, only half amount to have same utilization as in other test
// FluidLiquidityUserModule(address(liquidity)).supplySafe(address(DAI), DEFAULT_SUPPLY_AMOUNT, alice);
// // 2. supply risky as alice
// // prank msg.sender to be alice
// vm.prank(alice);
// // execute supplyRisky, only half amount to have same utilization as in other test
// FluidLiquidityUserModule(address(liquidity)).supplyRisky(address(USDC), DEFAULT_SUPPLY_AMOUNT / 2, alice);
// // 3. borrow as bob
// // USDC
// // prank msg.sender to be bob
// vm.prank(bob);
// // execute borrow
// FluidLiquidityUserModule(address(liquidity)).borrow(address(USDC), DEFAULT_BORROW_AMOUNT, bob);
// // DAI
// // prank msg.sender to be bob
// vm.prank(bob);
// // execute borrow
// FluidLiquidityUserModule(address(liquidity)).borrow(address(DAI), DEFAULT_BORROW_AMOUNT, bob);
// // 4. simulate passing time (2 days)
// vm.warp(block.timestamp + 2 days);
// // 5. check exchange prices
// // calculation for borrow exchange price same as in test without the risky yield premium
// // so rate increase = 7.75% * 0,00547945205479452054794520548 = 0,04246575342465753424657534247 %
// uint256 newBorrowExchangePriceUSDC = EXCHANGE_PRICES_PRECISION + 424657535; // 0,04246575342465753424657534247% in 12 decimals, rounded up
// // borrowers pay amountBorrowed (0.5 * 1e18) * rate increase =
// // 500000000000000000 * 0,04246575342465753424657534247% = 0,00021232876712328767123287671235 * 1e18
// // for suppliers, they get the amount borrowers pay minus the fee. default fee is set to 5%.
// // 0,00021232876712328767123287671235 * 1e18 * 0.95 = 0,000201712328767123287671232876732
// // supply amounts for safe and risky are 50% each, so safe gets 50% of this but 20% of that amount goes to risky
// // 1/2 * 1/5 = 1/10 of total goes to risky instead of safe. so safe gets 40%, risky gets 60%.
// // safeEarnings = 0,00008068493150684931506849315; riskyEarnings = 0,00012102739726027397260273973
// // because supply is only half, amounts must be adjusted. price = supply + earnings / supply
// // for safe = 500080684931506849÷500000000000000000 = 1,000161369863013698
// // for risky = 500121027397260273÷500000000000000000 = 1,000242054794520546
// uint256 newSupplySafeExchangePriceUSDC = EXCHANGE_PRICES_PRECISION + 161369863; // 1,000161369863013698 in 12 decimals
// uint256 newSupplyRiskyExchangePriceUSDC = EXCHANGE_PRICES_PRECISION + 242054794; // 1,000242054794520546 in 12 decimals
// // for calculation of exchange prices explanation see test "testUserExchangePricesEventsWithBorrowers"
// uint256 newBorrowExchangePriceDAI = EXCHANGE_PRICES_PRECISION + 424657535; // 0,04246575342465753424657534247% in 12 decimals, rounded up
// uint256 newSupplySafeExchangePriceDAI = EXCHANGE_PRICES_PRECISION + 201712328; // 0,000201712328767123287671232876732 in 12 decimals
// // read
// address[] memory tokens_ = new address[](2);
// tokens_[0] = address(USDC);
// tokens_[1] = address(DAI);
// (
// uint256[] memory supplySafeExchangePrices,
// uint256[] memory supplyRiskyExchangePrices,
// uint256[] memory borrowExchangePrices
// ) = ReadModule(address(liquidity)).exchangePrices(tokens_);
// // assert for USDC
// assertEq(supplySafeExchangePrices[0], newSupplySafeExchangePriceUSDC);
// assertEq(supplyRiskyExchangePrices[0], newSupplyRiskyExchangePriceUSDC);
// assertEq(borrowExchangePrices[0], newBorrowExchangePriceUSDC);
// // assert for DAI
// assertEq(supplySafeExchangePrices[1], newSupplySafeExchangePriceDAI);
// assertEq(supplyRiskyExchangePrices[1], EXCHANGE_PRICES_PRECISION);
// assertEq(borrowExchangePrices[1], newBorrowExchangePriceDAI);
// }
// function testReadExchangePricesAboveKink() public {
// // set risky yield premium
// _setDefaultRiskyYieldPremium(address(liquidity), admin, address(USDC));
// // 1. supply safe as alice
// // prank msg.sender to be alice
// vm.prank(alice);
// // execute supplySafe, only half amount to have same utilization as in other test
// FluidLiquidityUserModule(address(liquidity)).supplySafe(address(USDC), DEFAULT_SUPPLY_AMOUNT, alice);
// // 2. supply risky as alice
// // prank msg.sender to be alice
// vm.prank(alice);
// // execute supplyRisky, only half amount to have same utilization as in other test
// FluidLiquidityUserModule(address(liquidity)).supplyRisky(address(USDC), DEFAULT_SUPPLY_AMOUNT, alice);
// // 3. borrow as bob
// uint256 borrowAmount = ((DEFAULT_SUPPLY_AMOUNT * 2 * 90) / 100);
// // prank msg.sender to be bob
// vm.prank(bob);
// // execute borrow, borrow 90% of supplied amount
// FluidLiquidityUserModule(address(liquidity)).borrow(address(USDC), borrowAmount, bob);
// // 4. simulate passing time (2 days)
// vm.warp(block.timestamp + 2 days);
// // 5. check exchange prices
// // for new borrow exchange price:
// // annual borrow rate for default test data with default values see {TestHelpers}, at utilization 90%:
// // at 80% it is 10%, at 100% it's 150%, 90% is exactly in between so 80%.
// // seconds per year = 31536000
// // passed seconds = 2 days = 172800
// // so in 31536000 seconds borrowers pay 80%. how much do they pay in 172800 seconds?
// // passed time in percent = 172800 / 31536000 = 0,00547945205479452054794520548
// // so rate increase = 80% * 0,00547945205479452054794520548 = 0,438356164383561643835616438 %
// uint256 newBorrowExchangePrice = EXCHANGE_PRICES_PRECISION + 4383561644; // 0,438356164383561643835616438% in 12 decimals, rounding up
// // borrowers pay amountBorrowed * rate increase =
// // 1800000000000000000 * 0,438356164383561643835616438% = 0,00078904109589041095890410958912
// // for suppliers, they get the amount borrowers pay minus the fee. default fee is set to 5%.
// // 0,00078904109589041095890410958912 * 1e18 * 0.95 = 0,000749589041095890410958904109664
// // supply amounts for safe and risky are 50% each, so safe gets 50% of this but 20% of that amount goes to risky
// // 1/2 * 1/5 = 1/10 of total goes to risky instead of safe. so safe gets 40%, risky gets 60%.
// // riskyEarnings = 0,000449753424657534246575342465798; safeEarnings = 0,000299835616438356164383561643866
// uint256 newSupplySafeExchangePrice = EXCHANGE_PRICES_PRECISION + 2998356164; // 0,000299835616438356164383561643866 in 12 decimals
// uint256 newSupplyRiskyExchangePrice = EXCHANGE_PRICES_PRECISION + 4497534246; // 0,000449753424657534246575342465798 in 12 decimals
// // read
// address[] memory tokens_ = new address[](1);
// tokens_[0] = address(USDC);
// (
// uint256[] memory supplySafeExchangePrices,
// uint256[] memory supplyRiskyExchangePrices,
// uint256[] memory borrowExchangePrices
// ) = ReadModule(address(liquidity)).exchangePrices(tokens_);
// // assert for USDC
// assertEq(supplySafeExchangePrices[0], newSupplySafeExchangePrice);
// assertEq(supplyRiskyExchangePrices[0], newSupplyRiskyExchangePrice);
// assertEq(borrowExchangePrices[0], newBorrowExchangePrice);
// assertEq(supplySafeExchangePrices.length, 1);
// assertEq(supplyRiskyExchangePrices.length, 1);
// assertEq(borrowExchangePrices.length, 1);
// // read single exchangePrice()
// (uint256 supplySafeExchangePrice, uint256 supplyRiskyExchangePrice, uint256 borrowExchangePrice) = ReadModule(
// address(liquidity)
// ).exchangePrice(address(USDC));
// // assert for USDC
// assertEq(supplySafeExchangePrice, newSupplySafeExchangePrice);
// assertEq(supplyRiskyExchangePrice, newSupplyRiskyExchangePrice);
// assertEq(borrowExchangePrice, newBorrowExchangePrice);
// }
// }
// contract LiquidityReadModuleRateDatasTest is LiquidityReadModuleBaseTest {
// function testReadRateDataV2sForRateDataV1Revert() public {
// // set rate data v1
// _setDefaultRateDataV1(address(liquidity), admin, address(USDC));
// assertEq(ReadModule(address(liquidity)).rateDataVersion(address(USDC)), 1);
// // set expected revert
// vm.expectRevert(ReadModule.ReadModuleRateDataVersionMismatch.selector);
// // execute read rate data v2
// ReadModule(address(liquidity)).rateDataV2(address(USDC));
// }
// function testReadRateDataV1sForRateDataV2Revert() public {
// // set rate data v2
// _setDefaultRateDataV2(address(liquidity), admin, address(USDC));
// assertEq(ReadModule(address(liquidity)).rateDataVersion(address(USDC)), 2);
// // set expected revert
// vm.expectRevert(ReadModule.ReadModuleRateDataVersionMismatch.selector);
// // execute read rata data v1
// ReadModule(address(liquidity)).rateDataV1(address(USDC));
// }
// }
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