feat: add pre-vip checks and final description for VIP 187

simulations/vip-186/simulations.ts → simulations/vip-187/simulations.ts

@@ -1,15 +1,33 @@
 import { expectEvents } from "../../src/utils";
 import { forking, testVip } from "../../src/vip-framework";
 import { checkInterestRate } from "../../src/vip-framework/checks/interestRateModel";
-import { vip186 } from "../../vips/vip-186";
+import { vip187 } from "../../vips/vip-187";
 import VTOKEN_CORE_ABI from "./abi/VToken_core.json";
 import VTOKEN_IL_ABI from "./abi/VToken_il.json";
 
 const vETH = "0xf508fcd89b8bd15579dc79a6827cb4686a3592c8";
 const vUSDT_Stablecoins = "0x5e3072305F9caE1c7A82F6Fe9E38811c74922c3B";
 
 forking(32681348, () => {
-  testVip("VIP-186 Risk Parameters Update", vip186(), {
+  describe("Pre-VIP behavior", async () => {
+    it("Check current interest rate model", async () => {
+      await checkInterestRate(vETH, "vETH", {
+        base: "0",
+        multiplier: "0.09",
+        jump: "2",
+        kink: "0.75",
+      });
+
+      await checkInterestRate(vUSDT_Stablecoins, "vUSDT_Stablecoins", {
+        base: "0.02",
+        multiplier: "0.1",
+        jump: "2.5",
+        kink: "0.8",
+      });
+    });
+  });
+
+  testVip("VIP-187 Risk Parameters Update", vip187(), {
     callbackAfterExecution: async txResponse => {
       await expectEvents(
         txResponse,

vips/vip-186.ts → vips/vip-187.ts

@@ -6,15 +6,28 @@ const vUSDT_Stablecoins = "0x5e3072305F9caE1c7A82F6Fe9E38811c74922c3B";
 const ETH_NEW_IR = "0x16412DBB7B2a4E119eDFCb3b58B08d196eC733BE";
 const USDT_NEW_IR = "0x7dc969122450749A8B0777c0e324522d67737988";
 
-export const vip186 = () => {
+export const vip187 = () => {
   const meta = {
     version: "v2",
-    title: "VIP-186 Risk Parameters Update",
-    description: ``,
+    title: "VIP-187 Risk Parameters Adjustments (ETH and USDT Stablecoin)",
+    description: `#### Description
 
-    forDescription: "I agree that Venus Protocol should proceed with the Risk Parameters Update's",
-    againstDescription: "I do not think that Venus Protocol should proceed with the Risk Parameters Update's",
-    abstainDescription: "I am indifferent to whether Venus Protocol proceeds with the Risk Parameters Update's or not",
+This VIP will perform the following Risk Parameters actions as per Chaos Labs latest recommendations in this Venus community forum publication: [Risk Parameter Updates 10/16/2023](https://community.venus.io/t/chaos-labs-risk-parameter-updates-10-16-2023/3848)
+
+- **ETH** (Core pool)
+    - Interest rate multiplier: from 9% to 4.25%
+    - Interest rate Kink: from 75%to 85%
+- **USDT** (Stablecoins pool)
+    - Interest rate multiplier: from 10% to 5%
+    - Interest rate base: from 2% to 0%
+
+Complete analysis and details of these recommendations are available in the above publication.
+
+VIP simulation: https://github.com/VenusProtocol/vips/pull/87`,
+
+    forDescription: "I agree that Venus Protocol should proceed with this proposal",
+    againstDescription: "I do not think that Venus Protocol should proceed with this proposal",
+    abstainDescription: "I am indifferent to whether Venus Protocol proceeds or not",
   };
 
   return makeProposal(