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| // SPDX-License-Identifier: Apache-2.0 | ||
| // █████╗ ███████╗████████╗ █████╗ ██████╗ ██╗ █████╗ ██╗ ██╗ ██╗ | ||
| // ██╔══██╗██╔════╝╚══██╔══╝██╔══██╗██╔══██╗██║██╔══██╗ ██║ ██║███║ | ||
| // ███████║███████╗ ██║ ███████║██████╔╝██║███████║ ██║ ██║╚██║ | ||
| // ██╔══██║╚════██║ ██║ ██╔══██║██╔══██╗██║██╔══██║ ╚██╗ ██╔╝ ██║ | ||
| // ██║ ██║███████║ ██║ ██║ ██║██║ ██║██║██║ ██║ ╚████╔╝ ██║ | ||
| // ╚═╝ ╚═╝╚══════╝ ╚═╝ ╚═╝ ╚═╝╚═╝ ╚═╝╚═╝╚═╝ ╚═╝ ╚═══╝ ╚═╝ | ||
| // | ||
| // Astaria v1 Lending | ||
| // Built on Starport https://github.com/astariaXYZ/starport | ||
| // Designed with love by Astaria Labs, Inc | ||
|
|
||
| pragma solidity ^0.8.17; | ||
|
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||
| import "test/AstariaV1Test.sol"; | ||
|
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||
| import {Starport} from "starport-core/Starport.sol"; | ||
| import {StarportLib, AdditionalTransfer} from "starport-core/lib/StarportLib.sol"; | ||
|
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| import {AstariaV1RatioLenderEnforcer} from "v1-core/enforcers/AstariaV1RatioLenderEnforcer.sol"; | ||
| import {AstariaV1Lib} from "v1-core/lib/AstariaV1Lib.sol"; | ||
|
|
||
| import {FixedPointMathLib} from "solady/src/utils/FixedPointMathLib.sol"; | ||
| import {BasePricing} from "v1-core/pricing/BasePricing.sol"; | ||
|
|
||
| import {console2} from "forge-std/console2.sol"; | ||
|
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| contract TestV1RatioLenderEnforcer is AstariaV1Test, AstariaV1RatioLenderEnforcer { | ||
| using FixedPointMathLib for uint256; | ||
|
|
||
| function setUp() public virtual override { | ||
| super.setUp(); | ||
|
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| lenderEnforcer = new AstariaV1RatioLenderEnforcer(); | ||
| } | ||
|
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||
| function getDefaultV1RatioLenderDetails(Starport.Loan memory loan) | ||
| public | ||
| pure | ||
| returns (AstariaV1RatioLenderEnforcer.Details memory details) | ||
| { | ||
| details = AstariaV1RatioLenderEnforcer.Details({ | ||
| matchIdentifier: false, | ||
| minCollateralAmount: loan.collateral[0].amount, | ||
| collateralToDebtRatio: loan.debt[0].amount.divWadUp(loan.collateral[0].amount), | ||
| loan: loanCopy(loan) | ||
| }); | ||
| } | ||
|
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||
| function testV1RatioLenderDefault() public { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
|
||
| // Test general passing case | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
|
||
| function testV1RatioLenderDebtBundle() public { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
|
||
| // Test Debt Bundle | ||
| loan.debt = new SpentItem[](2); | ||
| vm.expectRevert(DebtBundlesNotSupported.selector); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
|
||
| function testV1RatioLenderCollateralBundle() public { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
|
||
| // Test Collateral Bundle | ||
| loan.collateral = new SpentItem[](2); | ||
| vm.expectRevert(CollateralBundlesNotSupported.selector); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
|
||
| function testV1RatioLenderMinCollateralAmount() public { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
|
||
| // Test below min collateral amount | ||
| loan.collateral[0].amount--; | ||
| vm.expectRevert(BelowMinCollateralAmount.selector); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
|
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||
| // Test below min above collateral amount | ||
| loan.collateral[0].amount += 2; | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
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| function testV1RatioLenderDebtAmountExceedsDebtMax() public { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
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||
| // | ||
| loan.debt[0].amount++; | ||
| vm.expectRevert( | ||
| abi.encodeWithSelector( | ||
| DebtAmountExceedsDebtMax.selector, | ||
| loan.collateral[0].amount.mulWad(details.collateralToDebtRatio), | ||
| loan.debt[0].amount | ||
| ) | ||
| ); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
|
||
| function testV1RatioLenderMaxDebtOrCollateralToDebtRatioZero() public { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
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||
| loan.debt[0].amount = 0; | ||
| loan.collateral[0].amount = 0; | ||
| details.collateralToDebtRatio = 0; | ||
| details.minCollateralAmount = 0; | ||
| vm.expectRevert(abi.encodeWithSelector(MaxDebtOrCollateralToDebtRatioZero.selector)); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
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||
| function testV1RatioLenderLoanRateLessThanCaveatRate() public { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
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||
| BasePricing.Details memory pricingDetails = abi.decode(loan.terms.pricingData, (BasePricing.Details)); | ||
| pricingDetails.rate--; | ||
| loan.terms.pricingData = abi.encode(pricingDetails); | ||
| vm.expectRevert(LoanRateLessThanCaveatRate.selector); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
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||
| function testV1RatioLenderEnforcerRate() public { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
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||
| // Test malleable rate | ||
| AstariaV1Lib.setBasePricingRate( | ||
| loan.terms.pricingData, AstariaV1Lib.getBasePricingRate(details.loan.terms.pricingData) + 1 | ||
| ); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
|
|
||
| // Test insufficient rate | ||
| AstariaV1Lib.setBasePricingRate( | ||
| loan.terms.pricingData, AstariaV1Lib.getBasePricingRate(details.loan.terms.pricingData) - 1 | ||
| ); | ||
| vm.expectRevert(LoanRateLessThanCaveatRate.selector); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
|
||
| // Test matchIdentifier | ||
| function testV1RatioLenderEnforcerMatchIdentifier() public { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
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| loan.collateral[0].identifier += 1; | ||
|
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| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| details.matchIdentifier = true; | ||
|
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| vm.expectRevert(LenderEnforcer.InvalidLoanTerms.selector); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
|
||
| function testV1RatioLenderEnforcerAdditionalTransfers() external { | ||
| Starport.Loan memory loan = generateDefaultLoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
| // Test invalid additional transfer from lender | ||
| AdditionalTransfer[] memory additionalTransfers = new AdditionalTransfer[](1); | ||
| additionalTransfers[0] = AdditionalTransfer({ | ||
| token: address(0), | ||
| amount: 0, | ||
| to: address(0), | ||
| from: lender.addr, | ||
| identifier: 0, | ||
| itemType: ItemType.ERC20 | ||
| }); | ||
|
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| vm.expectRevert(LenderEnforcer.InvalidAdditionalTransfer.selector); | ||
| lenderEnforcer.validate(additionalTransfers, loan, abi.encode(details)); | ||
|
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||
| // Test valid additional transfer from other party | ||
| additionalTransfers[0].from = borrower.addr; | ||
| lenderEnforcer.validate(additionalTransfers, loan, abi.encode(details)); | ||
| } | ||
|
|
||
| // ensures that a debt copy occurs at the end of validate | ||
| function testV1LenderEnforcerCopyDebtAmount() external { | ||
| Starport.Loan memory loan = generateDefaultERC20LoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = AstariaV1RatioLenderEnforcer.Details({ | ||
| matchIdentifier: false, | ||
| minCollateralAmount: 1, | ||
| collateralToDebtRatio: loan.debt[0].amount.divWadUp(loan.collateral[0].amount), | ||
| loan: loanCopy(loan) | ||
| }); | ||
|
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||
| loan.debt[0].amount /= 2; | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
|
||
| // ensures that a collateral copy occurs at the end of validate | ||
| function testV1LenderEnforcerCopyCollateralAmount() external { | ||
| Starport.Loan memory loan = generateDefaultERC20LoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = AstariaV1RatioLenderEnforcer.Details({ | ||
| matchIdentifier: false, | ||
| minCollateralAmount: 1, | ||
| collateralToDebtRatio: loan.debt[0].amount.divWadUp(loan.collateral[0].amount), | ||
| loan: loanCopy(loan) | ||
| }); | ||
|
|
||
| loan.collateral[0].amount = 10; | ||
| loan.debt[0].amount = loan.collateral[0].amount.mulWad(details.collateralToDebtRatio); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
|
||
| // ensures that a borrower copy occurs at the beginning of _validate | ||
| function testV1LenderEnforcerCopyBorrower() external { | ||
| Starport.Loan memory loan = generateDefaultERC20LoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
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||
| // ensuring that the details.loan.borrower does not match the loan.borrower | ||
| details.loan.borrower = address(uint160(details.loan.borrower) << 1); | ||
| assert(details.loan.borrower != loan.borrower); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
|
|
||
| // ensures that a originator copy occurs at the beginning of _validate | ||
| function testV1LenderEnforcerCopyOriginator() external { | ||
| Starport.Loan memory loan = generateDefaultERC20LoanTerms(); | ||
| AstariaV1RatioLenderEnforcer.Details memory details = getDefaultV1RatioLenderDetails(loan); | ||
|
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| // ensuring that the details.loan.originator does not match the loan.originator | ||
| details.loan.originator = address(uint160(fulfiller.addr) << 1); | ||
| assert(details.loan.originator != loan.originator); | ||
| lenderEnforcer.validate(new AdditionalTransfer[](0), loan, abi.encode(details)); | ||
| } | ||
| } |