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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| import { FakeContract, smock } from "@defi-wonderland/smock"; | ||
| import { loadFixture } from "@nomicfoundation/hardhat-network-helpers"; | ||
| import chai from "chai"; | ||
| import { ethers } from "hardhat"; | ||
|
|
||
| import { convertToUnit } from "../../helpers/utils"; | ||
| import { AccessControlManager, JumpRateModelV2 } from "../../typechain"; | ||
|
|
||
| const { expect } = chai; | ||
| chai.use(smock.matchers); | ||
|
|
||
| describe("Jump rate model tests", () => { | ||
| let jumpRateModel: JumpRateModelV2; | ||
| let accessControlManager: FakeContract<AccessControlManager>; | ||
|
|
||
| const kink = convertToUnit(8, 17); | ||
|
|
||
| const fixture = async () => { | ||
| accessControlManager = await smock.fake<AccessControlManager>("AccessControlManager"); | ||
| accessControlManager.isAllowedToCall.returns(true); | ||
|
|
||
| const JumpRateModelFactory = await ethers.getContractFactory("JumpRateModelV2"); | ||
| jumpRateModel = await JumpRateModelFactory.deploy( | ||
| convertToUnit(2, 12), | ||
| convertToUnit(4, 14), | ||
| convertToUnit(2, 18), | ||
| kink, | ||
| accessControlManager.address, | ||
| ); | ||
| await jumpRateModel.deployed(); | ||
| }; | ||
|
|
||
| before(async () => { | ||
| await loadFixture(fixture); | ||
| }); | ||
|
|
||
| it("Update jump rate model", async () => { | ||
| expect(await jumpRateModel.baseRatePerBlock()).equal("190258"); | ||
| expect(await jumpRateModel.multiplierPerBlock()).equal("47564687"); | ||
| expect(await jumpRateModel.jumpMultiplierPerBlock()).equal("190258751902"); | ||
| expect(await jumpRateModel.kink()).equal(kink); | ||
|
|
||
| await jumpRateModel.updateJumpRateModel(convertToUnit(3, 12), convertToUnit(5, 14), convertToUnit(2.2, 18), kink); | ||
|
|
||
| expect(await jumpRateModel.baseRatePerBlock()).equal("285388"); | ||
| expect(await jumpRateModel.multiplierPerBlock()).equal("59455859"); | ||
| expect(await jumpRateModel.jumpMultiplierPerBlock()).equal("209284627092"); | ||
| expect(await jumpRateModel.kink()).equal(kink); | ||
| }); | ||
|
|
||
| it("Utilization rate: borrows and badDebt is zero", async () => { | ||
| expect( | ||
| await jumpRateModel.utilizationRate( | ||
| convertToUnit(10, 19), | ||
| convertToUnit(0, 17), | ||
| convertToUnit(1, 19), | ||
| convertToUnit(0, 19), | ||
| ), | ||
| ).equal(0); | ||
| }); | ||
|
|
||
| it("Utilization rate", async () => { | ||
| expect( | ||
| await jumpRateModel.utilizationRate( | ||
| convertToUnit(10, 19), | ||
| convertToUnit(4, 19), | ||
| convertToUnit(2, 19), | ||
| convertToUnit(1, 19), | ||
| ), | ||
| ).equal("384615384615384615"); | ||
| }); | ||
|
|
||
| it("Borrow Rate: below kink utilization", async () => { | ||
| expect( | ||
| await jumpRateModel.getBorrowRate( | ||
| convertToUnit(10, 19), | ||
| convertToUnit(4, 19), | ||
| convertToUnit(2, 19), | ||
| convertToUnit(1, 19), | ||
| ), | ||
| ).equal("23153026"); | ||
| }); | ||
|
|
||
| it("Borrow Rate: above kink utilization", async () => { | ||
| expect( | ||
| await jumpRateModel.getBorrowRate( | ||
| convertToUnit(6, 19), | ||
| convertToUnit(16, 19), | ||
| convertToUnit(2, 19), | ||
| convertToUnit(1, 19), | ||
| ), | ||
| ).equal("2041036999"); | ||
| }); | ||
|
|
||
| it("Supply Rate", async () => { | ||
| expect( | ||
| await jumpRateModel.getSupplyRate( | ||
| convertToUnit(10, 19), | ||
| convertToUnit(4, 19), | ||
| convertToUnit(2, 19), | ||
| convertToUnit(1, 17), | ||
| convertToUnit(1, 19), | ||
| ), | ||
| ).equal("8014508"); | ||
| }); | ||
| }); |
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