diff --git a/simulations/vip-141/abi/comptroller.json b/simulations/vip-141/abi/comptroller.json
new file mode 100644
index 000000000..f579e33ed
--- /dev/null
+++ b/simulations/vip-141/abi/comptroller.json
@@ -0,0 +1,1339 @@
+[
+  { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": true, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": true, "internalType": "enum ComptrollerV9Storage.Action", "name": "action", "type": "uint8" },
+      { "indexed": false, "internalType": "bool", "name": "pauseState", "type": "bool" }
+    ],
+    "name": "ActionPausedMarket",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [{ "indexed": false, "internalType": "bool", "name": "state", "type": "bool" }],
+    "name": "ActionProtocolPaused",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "address", "name": "borrower", "type": "address" },
+      { "indexed": false, "internalType": "address", "name": "delegate", "type": "address" },
+      { "indexed": false, "internalType": "bool", "name": "allowDelegatedBorrows", "type": "bool" }
+    ],
+    "name": "DelegateUpdated",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": true, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": true, "internalType": "address", "name": "borrower", "type": "address" },
+      { "indexed": false, "internalType": "uint256", "name": "venusDelta", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "venusBorrowIndex", "type": "uint256" }
+    ],
+    "name": "DistributedBorrowerVenus",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": true, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": true, "internalType": "address", "name": "supplier", "type": "address" },
+      { "indexed": false, "internalType": "uint256", "name": "venusDelta", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "venusSupplyIndex", "type": "uint256" }
+    ],
+    "name": "DistributedSupplierVenus",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [{ "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" }],
+    "name": "DistributedVAIVaultVenus",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "uint256", "name": "error", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "info", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "detail", "type": "uint256" }
+    ],
+    "name": "Failure",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": false, "internalType": "address", "name": "account", "type": "address" }
+    ],
+    "name": "MarketEntered",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": false, "internalType": "address", "name": "account", "type": "address" }
+    ],
+    "name": "MarketExited",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [{ "indexed": false, "internalType": "contract VToken", "name": "vToken", "type": "address" }],
+    "name": "MarketListed",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "address", "name": "oldAccessControlAddress", "type": "address" },
+      { "indexed": false, "internalType": "address", "name": "newAccessControlAddress", "type": "address" }
+    ],
+    "name": "NewAccessControl",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": true, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": false, "internalType": "uint256", "name": "newBorrowCap", "type": "uint256" }
+    ],
+    "name": "NewBorrowCap",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "uint256", "name": "oldCloseFactorMantissa", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "newCloseFactorMantissa", "type": "uint256" }
+    ],
+    "name": "NewCloseFactor",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": false, "internalType": "uint256", "name": "oldCollateralFactorMantissa", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "newCollateralFactorMantissa", "type": "uint256" }
+    ],
+    "name": "NewCollateralFactor",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "address", "name": "oldComptrollerLens", "type": "address" },
+      { "indexed": false, "internalType": "address", "name": "newComptrollerLens", "type": "address" }
+    ],
+    "name": "NewComptrollerLens",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "uint256", "name": "oldLiquidationIncentiveMantissa", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "newLiquidationIncentiveMantissa", "type": "uint256" }
+    ],
+    "name": "NewLiquidationIncentive",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "address", "name": "oldLiquidatorContract", "type": "address" },
+      { "indexed": false, "internalType": "address", "name": "newLiquidatorContract", "type": "address" }
+    ],
+    "name": "NewLiquidatorContract",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "address", "name": "oldPauseGuardian", "type": "address" },
+      { "indexed": false, "internalType": "address", "name": "newPauseGuardian", "type": "address" }
+    ],
+    "name": "NewPauseGuardian",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "contract PriceOracle", "name": "oldPriceOracle", "type": "address" },
+      { "indexed": false, "internalType": "contract PriceOracle", "name": "newPriceOracle", "type": "address" }
+    ],
+    "name": "NewPriceOracle",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": true, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": false, "internalType": "uint256", "name": "newSupplyCap", "type": "uint256" }
+    ],
+    "name": "NewSupplyCap",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "address", "name": "oldTreasuryAddress", "type": "address" },
+      { "indexed": false, "internalType": "address", "name": "newTreasuryAddress", "type": "address" }
+    ],
+    "name": "NewTreasuryAddress",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "address", "name": "oldTreasuryGuardian", "type": "address" },
+      { "indexed": false, "internalType": "address", "name": "newTreasuryGuardian", "type": "address" }
+    ],
+    "name": "NewTreasuryGuardian",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "uint256", "name": "oldTreasuryPercent", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "newTreasuryPercent", "type": "uint256" }
+    ],
+    "name": "NewTreasuryPercent",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "contract VAIControllerInterface",
+        "name": "oldVAIController",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "contract VAIControllerInterface",
+        "name": "newVAIController",
+        "type": "address"
+      }
+    ],
+    "name": "NewVAIController",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "uint256", "name": "oldVAIMintRate", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "newVAIMintRate", "type": "uint256" }
+    ],
+    "name": "NewVAIMintRate",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "address", "name": "vault_", "type": "address" },
+      { "indexed": false, "internalType": "uint256", "name": "releaseStartBlock_", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "releaseInterval_", "type": "uint256" }
+    ],
+    "name": "NewVAIVaultInfo",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "uint256", "name": "oldVenusVAIVaultRate", "type": "uint256" },
+      { "indexed": false, "internalType": "uint256", "name": "newVenusVAIVaultRate", "type": "uint256" }
+    ],
+    "name": "NewVenusVAIVaultRate",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": true, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": false, "internalType": "uint256", "name": "newSpeed", "type": "uint256" }
+    ],
+    "name": "VenusBorrowSpeedUpdated",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": false, "internalType": "address", "name": "recipient", "type": "address" },
+      { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "VenusGranted",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      { "indexed": true, "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "indexed": false, "internalType": "uint256", "name": "newSpeed", "type": "uint256" }
+    ],
+    "name": "VenusSupplySpeedUpdated",
+    "type": "event"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "contract Unitroller", "name": "unitroller", "type": "address" }],
+    "name": "_become",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "recipient", "type": "address" },
+      { "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "_grantXVS",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "address", "name": "newAccessControlAddress", "type": "address" }],
+    "name": "_setAccessControl",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address[]", "name": "markets", "type": "address[]" },
+      { "internalType": "enum ComptrollerV9Storage.Action[]", "name": "actions", "type": "uint8[]" },
+      { "internalType": "bool", "name": "paused", "type": "bool" }
+    ],
+    "name": "_setActionsPaused",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "uint256", "name": "newCloseFactorMantissa", "type": "uint256" }],
+    "name": "_setCloseFactor",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "contract VToken", "name": "vToken", "type": "address" },
+      { "internalType": "uint256", "name": "newCollateralFactorMantissa", "type": "uint256" }
+    ],
+    "name": "_setCollateralFactor",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "contract ComptrollerLensInterface", "name": "comptrollerLens_", "type": "address" }],
+    "name": "_setComptrollerLens",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "uint256", "name": "newLiquidationIncentiveMantissa", "type": "uint256" }],
+    "name": "_setLiquidationIncentive",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "address", "name": "newLiquidatorContract_", "type": "address" }],
+    "name": "_setLiquidatorContract",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "contract VToken[]", "name": "vTokens", "type": "address[]" },
+      { "internalType": "uint256[]", "name": "newBorrowCaps", "type": "uint256[]" }
+    ],
+    "name": "_setMarketBorrowCaps",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "contract VToken[]", "name": "vTokens", "type": "address[]" },
+      { "internalType": "uint256[]", "name": "newSupplyCaps", "type": "uint256[]" }
+    ],
+    "name": "_setMarketSupplyCaps",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "address", "name": "newPauseGuardian", "type": "address" }],
+    "name": "_setPauseGuardian",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "contract PriceOracle", "name": "newOracle", "type": "address" }],
+    "name": "_setPriceOracle",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "bool", "name": "state", "type": "bool" }],
+    "name": "_setProtocolPaused",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "newTreasuryGuardian", "type": "address" },
+      { "internalType": "address", "name": "newTreasuryAddress", "type": "address" },
+      { "internalType": "uint256", "name": "newTreasuryPercent", "type": "uint256" }
+    ],
+    "name": "_setTreasuryData",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "contract VAIControllerInterface", "name": "vaiController_", "type": "address" }],
+    "name": "_setVAIController",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "uint256", "name": "newVAIMintRate", "type": "uint256" }],
+    "name": "_setVAIMintRate",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vault_", "type": "address" },
+      { "internalType": "uint256", "name": "releaseStartBlock_", "type": "uint256" },
+      { "internalType": "uint256", "name": "minReleaseAmount_", "type": "uint256" }
+    ],
+    "name": "_setVAIVaultInfo",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "contract VToken[]", "name": "vTokens", "type": "address[]" },
+      { "internalType": "uint256[]", "name": "supplySpeeds", "type": "uint256[]" },
+      { "internalType": "uint256[]", "name": "borrowSpeeds", "type": "uint256[]" }
+    ],
+    "name": "_setVenusSpeeds",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "uint256", "name": "venusVAIVaultRate_", "type": "uint256" }],
+    "name": "_setVenusVAIVaultRate",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "contract VToken", "name": "vToken", "type": "address" }],
+    "name": "_supportMarket",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      { "internalType": "address", "name": "", "type": "address" },
+      { "internalType": "uint256", "name": "", "type": "uint256" }
+    ],
+    "name": "accountAssets",
+    "outputs": [{ "internalType": "contract VToken", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      { "internalType": "address", "name": "market", "type": "address" },
+      { "internalType": "enum ComptrollerV9Storage.Action", "name": "action", "type": "uint8" }
+    ],
+    "name": "actionPaused",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "admin",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "name": "allMarkets",
+    "outputs": [{ "internalType": "contract VToken", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      { "internalType": "address", "name": "", "type": "address" },
+      { "internalType": "address", "name": "", "type": "address" }
+    ],
+    "name": "approvedDelegates",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "borrower", "type": "address" },
+      { "internalType": "uint256", "name": "borrowAmount", "type": "uint256" }
+    ],
+    "name": "borrowAllowed",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "borrowCapGuardian",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "borrowCaps",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "borrower", "type": "address" },
+      { "internalType": "uint256", "name": "borrowAmount", "type": "uint256" }
+    ],
+    "name": "borrowVerify",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      { "internalType": "address", "name": "account", "type": "address" },
+      { "internalType": "contract VToken", "name": "vToken", "type": "address" }
+    ],
+    "name": "checkMembership",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address[]", "name": "holders", "type": "address[]" },
+      { "internalType": "contract VToken[]", "name": "vTokens", "type": "address[]" },
+      { "internalType": "bool", "name": "borrowers", "type": "bool" },
+      { "internalType": "bool", "name": "suppliers", "type": "bool" },
+      { "internalType": "bool", "name": "collateral", "type": "bool" }
+    ],
+    "name": "claimVenus",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "holder", "type": "address" },
+      { "internalType": "contract VToken[]", "name": "vTokens", "type": "address[]" }
+    ],
+    "name": "claimVenus",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "address", "name": "holder", "type": "address" }],
+    "name": "claimVenus",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address[]", "name": "holders", "type": "address[]" },
+      { "internalType": "contract VToken[]", "name": "vTokens", "type": "address[]" },
+      { "internalType": "bool", "name": "borrowers", "type": "bool" },
+      { "internalType": "bool", "name": "suppliers", "type": "bool" }
+    ],
+    "name": "claimVenus",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "address", "name": "holder", "type": "address" }],
+    "name": "claimVenusAsCollateral",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "closeFactorMantissa",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "comptrollerImplementation",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "comptrollerLens",
+    "outputs": [{ "internalType": "contract ComptrollerLensInterface", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "address[]", "name": "vTokens", "type": "address[]" }],
+    "name": "enterMarkets",
+    "outputs": [{ "internalType": "uint256[]", "name": "", "type": "uint256[]" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [{ "internalType": "address", "name": "vTokenAddress", "type": "address" }],
+    "name": "exitMarket",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "account", "type": "address" }],
+    "name": "getAccountLiquidity",
+    "outputs": [
+      { "internalType": "uint256", "name": "", "type": "uint256" },
+      { "internalType": "uint256", "name": "", "type": "uint256" },
+      { "internalType": "uint256", "name": "", "type": "uint256" }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getAllMarkets",
+    "outputs": [{ "internalType": "contract VToken[]", "name": "", "type": "address[]" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "account", "type": "address" }],
+    "name": "getAssetsIn",
+    "outputs": [{ "internalType": "contract VToken[]", "name": "", "type": "address[]" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getBlockNumber",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      { "internalType": "address", "name": "account", "type": "address" },
+      { "internalType": "address", "name": "vTokenModify", "type": "address" },
+      { "internalType": "uint256", "name": "redeemTokens", "type": "uint256" },
+      { "internalType": "uint256", "name": "borrowAmount", "type": "uint256" }
+    ],
+    "name": "getHypotheticalAccountLiquidity",
+    "outputs": [
+      { "internalType": "uint256", "name": "", "type": "uint256" },
+      { "internalType": "uint256", "name": "", "type": "uint256" },
+      { "internalType": "uint256", "name": "", "type": "uint256" }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getXVSAddress",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getXVSVTokenAddress",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "isComptroller",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vTokenBorrowed", "type": "address" },
+      { "internalType": "address", "name": "vTokenCollateral", "type": "address" },
+      { "internalType": "address", "name": "liquidator", "type": "address" },
+      { "internalType": "address", "name": "borrower", "type": "address" },
+      { "internalType": "uint256", "name": "repayAmount", "type": "uint256" }
+    ],
+    "name": "liquidateBorrowAllowed",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vTokenBorrowed", "type": "address" },
+      { "internalType": "address", "name": "vTokenCollateral", "type": "address" },
+      { "internalType": "address", "name": "liquidator", "type": "address" },
+      { "internalType": "address", "name": "borrower", "type": "address" },
+      { "internalType": "uint256", "name": "actualRepayAmount", "type": "uint256" },
+      { "internalType": "uint256", "name": "seizeTokens", "type": "uint256" }
+    ],
+    "name": "liquidateBorrowVerify",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      { "internalType": "address", "name": "vTokenBorrowed", "type": "address" },
+      { "internalType": "address", "name": "vTokenCollateral", "type": "address" },
+      { "internalType": "uint256", "name": "actualRepayAmount", "type": "uint256" }
+    ],
+    "name": "liquidateCalculateSeizeTokens",
+    "outputs": [
+      { "internalType": "uint256", "name": "", "type": "uint256" },
+      { "internalType": "uint256", "name": "", "type": "uint256" }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      { "internalType": "address", "name": "vTokenCollateral", "type": "address" },
+      { "internalType": "uint256", "name": "actualRepayAmount", "type": "uint256" }
+    ],
+    "name": "liquidateVAICalculateSeizeTokens",
+    "outputs": [
+      { "internalType": "uint256", "name": "", "type": "uint256" },
+      { "internalType": "uint256", "name": "", "type": "uint256" }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "liquidationIncentiveMantissa",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "liquidatorContract",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "markets",
+    "outputs": [
+      { "internalType": "bool", "name": "isListed", "type": "bool" },
+      { "internalType": "uint256", "name": "collateralFactorMantissa", "type": "uint256" },
+      { "internalType": "bool", "name": "isVenus", "type": "bool" }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "maxAssets",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "minReleaseAmount",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "minter", "type": "address" },
+      { "internalType": "uint256", "name": "mintAmount", "type": "uint256" }
+    ],
+    "name": "mintAllowed",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "mintVAIGuardianPaused",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "minter", "type": "address" },
+      { "internalType": "uint256", "name": "actualMintAmount", "type": "uint256" },
+      { "internalType": "uint256", "name": "mintTokens", "type": "uint256" }
+    ],
+    "name": "mintVerify",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "mintedVAIs",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "oracle",
+    "outputs": [{ "internalType": "contract PriceOracle", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "pauseGuardian",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "pendingAdmin",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "pendingComptrollerImplementation",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "protocolPaused",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "redeemer", "type": "address" },
+      { "internalType": "uint256", "name": "redeemTokens", "type": "uint256" }
+    ],
+    "name": "redeemAllowed",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "redeemer", "type": "address" },
+      { "internalType": "uint256", "name": "redeemAmount", "type": "uint256" },
+      { "internalType": "uint256", "name": "redeemTokens", "type": "uint256" }
+    ],
+    "name": "redeemVerify",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "releaseStartBlock",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [],
+    "name": "releaseToVault",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "payer", "type": "address" },
+      { "internalType": "address", "name": "borrower", "type": "address" },
+      { "internalType": "uint256", "name": "repayAmount", "type": "uint256" }
+    ],
+    "name": "repayBorrowAllowed",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "payer", "type": "address" },
+      { "internalType": "address", "name": "borrower", "type": "address" },
+      { "internalType": "uint256", "name": "actualRepayAmount", "type": "uint256" },
+      { "internalType": "uint256", "name": "borrowerIndex", "type": "uint256" }
+    ],
+    "name": "repayBorrowVerify",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "repayVAIGuardianPaused",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vTokenCollateral", "type": "address" },
+      { "internalType": "address", "name": "vTokenBorrowed", "type": "address" },
+      { "internalType": "address", "name": "liquidator", "type": "address" },
+      { "internalType": "address", "name": "borrower", "type": "address" },
+      { "internalType": "uint256", "name": "seizeTokens", "type": "uint256" }
+    ],
+    "name": "seizeAllowed",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vTokenCollateral", "type": "address" },
+      { "internalType": "address", "name": "vTokenBorrowed", "type": "address" },
+      { "internalType": "address", "name": "liquidator", "type": "address" },
+      { "internalType": "address", "name": "borrower", "type": "address" },
+      { "internalType": "uint256", "name": "seizeTokens", "type": "uint256" }
+    ],
+    "name": "seizeVerify",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "owner", "type": "address" },
+      { "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "setMintedVAIOf",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "supplyCaps",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "src", "type": "address" },
+      { "internalType": "address", "name": "dst", "type": "address" },
+      { "internalType": "uint256", "name": "transferTokens", "type": "uint256" }
+    ],
+    "name": "transferAllowed",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "vToken", "type": "address" },
+      { "internalType": "address", "name": "src", "type": "address" },
+      { "internalType": "address", "name": "dst", "type": "address" },
+      { "internalType": "uint256", "name": "transferTokens", "type": "uint256" }
+    ],
+    "name": "transferVerify",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "treasuryAddress",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "treasuryGuardian",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "treasuryPercent",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      { "internalType": "address", "name": "delegate", "type": "address" },
+      { "internalType": "bool", "name": "allowBorrows", "type": "bool" }
+    ],
+    "name": "updateDelegate",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "vaiController",
+    "outputs": [{ "internalType": "contract VAIControllerInterface", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "vaiMintRate",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "vaiVaultAddress",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "venusAccrued",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "venusBorrowSpeeds",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "venusBorrowState",
+    "outputs": [
+      { "internalType": "uint224", "name": "index", "type": "uint224" },
+      { "internalType": "uint32", "name": "block", "type": "uint32" }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      { "internalType": "address", "name": "", "type": "address" },
+      { "internalType": "address", "name": "", "type": "address" }
+    ],
+    "name": "venusBorrowerIndex",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "venusInitialIndex",
+    "outputs": [{ "internalType": "uint224", "name": "", "type": "uint224" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "venusRate",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "venusSpeeds",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [
+      { "internalType": "address", "name": "", "type": "address" },
+      { "internalType": "address", "name": "", "type": "address" }
+    ],
+    "name": "venusSupplierIndex",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "venusSupplySpeeds",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "name": "venusSupplyState",
+    "outputs": [
+      { "internalType": "uint224", "name": "index", "type": "uint224" },
+      { "internalType": "uint32", "name": "block", "type": "uint32" }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "venusVAIVaultRate",
+    "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  }
+]
diff --git a/simulations/vip-141/simulations.ts b/simulations/vip-141/simulations.ts
new file mode 100644
index 000000000..50bddba50
--- /dev/null
+++ b/simulations/vip-141/simulations.ts
@@ -0,0 +1,98 @@
+import { expect } from "chai";
+import { parseUnits } from "ethers/lib/utils";
+import { ethers } from "hardhat";
+
+import { expectEvents, setMaxStalePeriodInChainlinkOracle } from "../../src/utils";
+import { forking, testVip } from "../../src/vip-framework";
+import { vip141 } from "../../vips/vip-141";
+import COMPTROLLER_ABI from "./abi/comptroller.json";
+
+const COMPTROLLER = "0xfd36e2c2a6789db23113685031d7f16329158384";
+const OLD_VTUSD = "0x08CEB3F4a7ed3500cA0982bcd0FC7816688084c3";
+const VXVS = "0x151B1e2635A717bcDc836ECd6FbB62B674FE3E1D";
+const VBETH = "0x972207A639CC1B374B893cc33Fa251b55CEB7c07";
+const CHAINLINK_ORACLE = "0x1B2103441A0A108daD8848D8F5d790e4D402921F";
+const XVS = "0xcF6BB5389c92Bdda8a3747Ddb454cB7a64626C63";
+const BETH = "0x250632378E573c6Be1AC2f97Fcdf00515d0Aa91B";
+const OLD_TUSD = "0x14016E85a25aeb13065688cAFB43044C2ef86784";
+const XVS_FEED = "0xbf63f430a79d4036a5900c19818aff1fa710f206";
+const BETH_FEED = "0x2a3796273d47c4ed363b361d3aefb7f7e2a13782";
+const OLD_TUSD_FEED = "0xa3334a9762090e827413a7495afece76f41dfc06";
+const NORMAL_TIMELOCK = "0x939bD8d64c0A9583A7Dcea9933f7b21697ab6396";
+
+forking(29835855, () => {
+  let comptroller: ethers.Contract;
+  const provider = ethers.provider;
+
+  before(async () => {
+    comptroller = new ethers.Contract(COMPTROLLER, COMPTROLLER_ABI, provider);
+    await setMaxStalePeriodInChainlinkOracle(CHAINLINK_ORACLE, XVS, XVS_FEED, NORMAL_TIMELOCK);
+    await setMaxStalePeriodInChainlinkOracle(CHAINLINK_ORACLE, BETH, BETH_FEED, NORMAL_TIMELOCK);
+    await setMaxStalePeriodInChainlinkOracle(CHAINLINK_ORACLE, OLD_TUSD, OLD_TUSD_FEED, NORMAL_TIMELOCK);
+  });
+
+  describe("Pre-VIP behavior", async () => {
+    it("collateral factor of XVS equals 55%", async () => {
+      const collateralFactor = (await comptroller.markets(VXVS)).collateralFactorMantissa;
+      expect(collateralFactor).to.equal(parseUnits("0.55", 18));
+    });
+
+    it("collateral factor of BETH equals 50%", async () => {
+      const collateralFactor = (await comptroller.markets(VBETH)).collateralFactorMantissa;
+      expect(collateralFactor).to.equal(parseUnits("0.50", 18));
+    });
+
+    it("collateral factor of TUSD (old) equals 55%", async () => {
+      const collateralFactor = (await comptroller.markets(OLD_VTUSD)).collateralFactorMantissa;
+      expect(collateralFactor).to.equal(parseUnits("0.55", 18));
+    });
+
+    it("borrow cap of TUSD (old) equals 11810000", async () => {
+      const oldCap = await comptroller.borrowCaps(OLD_VTUSD);
+      expect(oldCap).to.equal(parseUnits("11810000", 18));
+    });
+
+    it("supply cap of TUSD (old) equals 21130000", async () => {
+      const oldCap = await comptroller.supplyCaps(OLD_VTUSD);
+      expect(oldCap).to.equal(parseUnits("21130000", 18));
+    });
+  });
+
+  testVip("VIP-141 Risk Parameters Update", vip141(), {
+    callbackAfterExecution: async txResponse => {
+      await expectEvents(
+        txResponse,
+        [COMPTROLLER_ABI],
+        ["NewCollateralFactor", "NewBorrowCap", "NewSupplyCap", "Failure"],
+        [3, 1, 1, 0],
+      );
+    },
+  });
+
+  describe("Post-VIP behavior", async () => {
+    it("collateral factor of XVS equals 60%", async () => {
+      const collateralFactor = (await comptroller.markets(VXVS)).collateralFactorMantissa;
+      expect(collateralFactor).to.equal(parseUnits("0.60", 18));
+    });
+
+    it("collateral factor of BETH equals 40%", async () => {
+      const collateralFactor = (await comptroller.markets(VBETH)).collateralFactorMantissa;
+      expect(collateralFactor).to.equal(parseUnits("0.40", 18));
+    });
+
+    it("collateral factor of TUSD (old) equals 0%", async () => {
+      const collateralFactor = (await comptroller.markets(OLD_VTUSD)).collateralFactorMantissa;
+      expect(collateralFactor).to.equal(0);
+    });
+
+    it("borrow cap of TUSD (olf) equals 1", async () => {
+      const oldCap = await comptroller.borrowCaps(OLD_VTUSD);
+      expect(oldCap).to.equal(1);
+    });
+
+    it("supply cap of TUSD (old) equals 0", async () => {
+      const oldCap = await comptroller.supplyCaps(OLD_VTUSD);
+      expect(oldCap).to.equal(0);
+    });
+  });
+});
diff --git a/vips/vip-141.ts b/vips/vip-141.ts
new file mode 100644
index 000000000..8061e3131
--- /dev/null
+++ b/vips/vip-141.ts
@@ -0,0 +1,65 @@
+import { parseUnits } from "ethers/lib/utils";
+
+import { ProposalType } from "../src/types";
+import { makeProposal } from "../src/utils";
+
+const COMPTROLLER = "0xfd36e2c2a6789db23113685031d7f16329158384";
+const OLD_VTUSD = "0x08CEB3F4a7ed3500cA0982bcd0FC7816688084c3";
+const VXVS = "0x151B1e2635A717bcDc836ECd6FbB62B674FE3E1D";
+const VBETH = "0x972207A639CC1B374B893cc33Fa251b55CEB7c07";
+
+export const vip141 = () => {
+  const meta = {
+    version: "v2",
+    title: "VIP-141 Risk Parameters Update",
+    description: `
+    XVS: 
+      Increase collateral factor to 0.60 from 0.55
+    BETH: 
+      Decrease collateral factor to 0.40 from 0.50
+    TUSDOLD
+      Decrease collateral factor to 0.0 from 0.55
+      Decrease borrow and supply cap to 0
+      Mint and borrow actions are already paused, so these changes won't have any practical effect, but we'll do it anyway
+      `,
+    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",
+  };
+
+  return makeProposal(
+    [
+      {
+        target: COMPTROLLER,
+        signature: "_setCollateralFactor(address,uint256)",
+        params: [OLD_VTUSD, 0],
+      },
+
+      {
+        target: COMPTROLLER,
+        signature: "_setCollateralFactor(address,uint256)",
+        params: [VBETH, parseUnits("0.40", 18)],
+      },
+
+      {
+        target: COMPTROLLER,
+        signature: "_setCollateralFactor(address,uint256)",
+        params: [VXVS, parseUnits("0.60", 18)],
+      },
+
+      {
+        target: COMPTROLLER,
+        signature: "_setMarketBorrowCaps(address[],uint256[])",
+        params: [[OLD_VTUSD], [1]],
+      },
+
+      {
+        target: COMPTROLLER,
+        signature: "_setMarketSupplyCaps(address[],uint256[])",
+        params: [[OLD_VTUSD], [0]],
+      },
+    ],
+    meta,
+    ProposalType.REGULAR,
+  );
+};