diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd5b73f2..1e1390b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,26 @@
+## [2.0.0-dev.1](https://github.com/VenusProtocol/oracle/compare/v1.11.0-dev.1...v2.0.0-dev.1) (2024-04-10)
+
+
+### ⚠ BREAKING CHANGES
+
+* migrate to Solidity 0.8.25
+
+### Features
+
+* migrate to Solidity 0.8.25 ([00d4cd0](https://github.com/VenusProtocol/oracle/commit/00d4cd0fa799ed9b15342f1f66c15c5e8e234b5f))
+
+## [1.11.0-dev.1](https://github.com/VenusProtocol/oracle/compare/v1.10.0...v1.11.0-dev.1) (2024-03-22)
+
+
+### Features
+
+* add Chainlink Oracle for Arbitrum checking Sequencer uptime. ([2ab8e8d](https://github.com/VenusProtocol/oracle/commit/2ab8e8d64fc3d2d8ce86464c48ba2eb4da0ff5a8))
+
+
+### Bug Fixes
+
+* VTIME-3 ([82f1e42](https://github.com/VenusProtocol/oracle/commit/82f1e429aa887ba1fdd7787cfe77bee41e4a79f4))
+
 ## [1.10.0](https://github.com/VenusProtocol/oracle/compare/v1.9.0...v1.10.0) (2024-02-22)
 
 
diff --git a/contracts/ResilientOracle.sol b/contracts/ResilientOracle.sol
index d7f10025..47c729cc 100755
--- a/contracts/ResilientOracle.sol
+++ b/contracts/ResilientOracle.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: BSD-3-Clause
 // SPDX-FileCopyrightText: 2022 Venus
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
 import "./interfaces/VBep20Interface.sol";
diff --git a/contracts/interfaces/FeedRegistryInterface.sol b/contracts/interfaces/FeedRegistryInterface.sol
index a0084f05..bea7778a 100644
--- a/contracts/interfaces/FeedRegistryInterface.sol
+++ b/contracts/interfaces/FeedRegistryInterface.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity ^0.8.25;
 
 interface FeedRegistryInterface {
     function latestRoundDataByName(
diff --git a/contracts/interfaces/IStETH.sol b/contracts/interfaces/IStETH.sol
index 639a27a1..ad7a9a1f 100644
--- a/contracts/interfaces/IStETH.sol
+++ b/contracts/interfaces/IStETH.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity ^0.8.25;
 
 interface IStETH {
     function getPooledEthByShares(uint256 _sharesAmount) external view returns (uint256);
diff --git a/contracts/interfaces/OracleInterface.sol b/contracts/interfaces/OracleInterface.sol
index 633c8a38..acf41673 100644
--- a/contracts/interfaces/OracleInterface.sol
+++ b/contracts/interfaces/OracleInterface.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity ^0.8.25;
 
 interface OracleInterface {
     function getPrice(address asset) external view returns (uint256);
diff --git a/contracts/interfaces/PublicResolverInterface.sol b/contracts/interfaces/PublicResolverInterface.sol
index 118cf22c..d89775f4 100644
--- a/contracts/interfaces/PublicResolverInterface.sol
+++ b/contracts/interfaces/PublicResolverInterface.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: BSD-3-Clause
 // SPDX-FileCopyrightText: 2022 Venus
-pragma solidity 0.8.13;
+pragma solidity ^0.8.25;
 
 interface PublicResolverInterface {
     function addr(bytes32 node) external view returns (address payable);
diff --git a/contracts/interfaces/PythInterface.sol b/contracts/interfaces/PythInterface.sol
index 4c477752..e556b3e9 100644
--- a/contracts/interfaces/PythInterface.sol
+++ b/contracts/interfaces/PythInterface.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: 2021 Pyth Data Foundation
-pragma solidity 0.8.13;
+pragma solidity ^0.8.25;
 
 contract PythStructs {
     // A price with a degree of uncertainty, represented as a price +- a confidence interval.
diff --git a/contracts/interfaces/SIDRegistryInterface.sol b/contracts/interfaces/SIDRegistryInterface.sol
index 4ffb72d6..f81f6d69 100644
--- a/contracts/interfaces/SIDRegistryInterface.sol
+++ b/contracts/interfaces/SIDRegistryInterface.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: BSD-3-Clause
 // SPDX-FileCopyrightText: 2022 Venus
-pragma solidity 0.8.13;
+pragma solidity ^0.8.25;
 
 interface SIDRegistryInterface {
     function resolver(bytes32 node) external view returns (address);
diff --git a/contracts/interfaces/VBep20Interface.sol b/contracts/interfaces/VBep20Interface.sol
index 4798ac7e..fcf2cb3f 100644
--- a/contracts/interfaces/VBep20Interface.sol
+++ b/contracts/interfaces/VBep20Interface.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity ^0.8.25;
 
 import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
 
diff --git a/contracts/oracles/BinanceOracle.sol b/contracts/oracles/BinanceOracle.sol
index 30105efc..d34d0d78 100755
--- a/contracts/oracles/BinanceOracle.sol
+++ b/contracts/oracles/BinanceOracle.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
 import "../interfaces/VBep20Interface.sol";
diff --git a/contracts/oracles/BoundValidator.sol b/contracts/oracles/BoundValidator.sol
index f7a7f275..f8b7ac47 100755
--- a/contracts/oracles/BoundValidator.sol
+++ b/contracts/oracles/BoundValidator.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "../interfaces/VBep20Interface.sol";
 import "../interfaces/OracleInterface.sol";
diff --git a/contracts/oracles/ChainlinkOracle.sol b/contracts/oracles/ChainlinkOracle.sol
index 2d7505e3..fe8e3dd8 100755
--- a/contracts/oracles/ChainlinkOracle.sol
+++ b/contracts/oracles/ChainlinkOracle.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "../interfaces/VBep20Interface.sol";
 import "../interfaces/OracleInterface.sol";
@@ -115,7 +115,7 @@ contract ChainlinkOracle is AccessControlledV8, OracleInterface {
      * @param asset Address of the asset
      * @return Price in USD from Chainlink or a manually set price for the asset
      */
-    function getPrice(address asset) public view returns (uint256) {
+    function getPrice(address asset) public view virtual returns (uint256) {
         uint256 decimals;
 
         if (asset == NATIVE_TOKEN_ADDR) {
diff --git a/contracts/oracles/PythOracle.sol b/contracts/oracles/PythOracle.sol
index 69df4dfb..c07fab0f 100755
--- a/contracts/oracles/PythOracle.sol
+++ b/contracts/oracles/PythOracle.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "@openzeppelin/contracts/utils/math/SafeCast.sol";
 import "@openzeppelin/contracts/utils/math/SignedMath.sol";
diff --git a/contracts/oracles/SequencerChainlinkOracle.sol b/contracts/oracles/SequencerChainlinkOracle.sol
new file mode 100644
index 00000000..a0580fcd
--- /dev/null
+++ b/contracts/oracles/SequencerChainlinkOracle.sol
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.25;
+
+import { ChainlinkOracle } from "./ChainlinkOracle.sol";
+import { AggregatorV3Interface } from "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
+
+/**
+    @title Sequencer Chain Link Oracle
+    @notice Oracle to fetch price using chainlink oracles on L2s with sequencer
+*/
+contract SequencerChainlinkOracle is ChainlinkOracle {
+    /// @notice L2 Sequencer feed
+    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
+    AggregatorV3Interface public immutable sequencer;
+
+    /// @notice L2 Sequencer grace period
+    uint256 public constant GRACE_PERIOD_TIME = 3600;
+
+    /**
+        @notice Contract constructor
+        @param _sequencer L2 sequencer
+        @custom:oz-upgrades-unsafe-allow constructor
+    */
+    constructor(AggregatorV3Interface _sequencer) ChainlinkOracle() {
+        require(address(_sequencer) != address(0), "zero address");
+
+        sequencer = _sequencer;
+    }
+
+    /// @inheritdoc ChainlinkOracle
+    function getPrice(address asset) public view override returns (uint) {
+        if (!isSequencerActive()) revert("L2 sequencer unavailable");
+        return super.getPrice(asset);
+    }
+
+    function isSequencerActive() internal view returns (bool) {
+        // answer from oracle is a variable with a value of either 1 or 0
+        //  0: The sequencer is up
+        //  1: The sequencer is down
+        // startedAt: This timestamp indicates when the sequencer changed status
+        (, int256 answer, uint256 startedAt, , ) = sequencer.latestRoundData();
+        if (block.timestamp - startedAt <= GRACE_PERIOD_TIME || answer == 1) return false;
+        return true;
+    }
+}
diff --git a/contracts/oracles/WstETHOracle.sol b/contracts/oracles/WstETHOracle.sol
index 3d1b9be5..ad2cefb6 100755
--- a/contracts/oracles/WstETHOracle.sol
+++ b/contracts/oracles/WstETHOracle.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import { OracleInterface } from "../interfaces/OracleInterface.sol";
 import { IStETH } from "../interfaces/IStETH.sol";
diff --git a/contracts/oracles/mocks/MockBinanceFeedRegistry.sol b/contracts/oracles/mocks/MockBinanceFeedRegistry.sol
index 0970d6e2..126a2232 100644
--- a/contracts/oracles/mocks/MockBinanceFeedRegistry.sol
+++ b/contracts/oracles/mocks/MockBinanceFeedRegistry.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "../../interfaces/FeedRegistryInterface.sol";
 
diff --git a/contracts/oracles/mocks/MockBinanceOracle.sol b/contracts/oracles/mocks/MockBinanceOracle.sol
index 62d8ef8c..4872470c 100644
--- a/contracts/oracles/mocks/MockBinanceOracle.sol
+++ b/contracts/oracles/mocks/MockBinanceOracle.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import { OwnableUpgradeable } from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
 import { OracleInterface } from "../../interfaces/OracleInterface.sol";
diff --git a/contracts/oracles/mocks/MockChainlinkOracle.sol b/contracts/oracles/mocks/MockChainlinkOracle.sol
index 9a06aa46..dfa3f4f3 100644
--- a/contracts/oracles/mocks/MockChainlinkOracle.sol
+++ b/contracts/oracles/mocks/MockChainlinkOracle.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import { OwnableUpgradeable } from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
 import { OracleInterface } from "../../interfaces/OracleInterface.sol";
diff --git a/contracts/oracles/mocks/MockPythOracle.sol b/contracts/oracles/mocks/MockPythOracle.sol
index 27f31b71..92128b7c 100644
--- a/contracts/oracles/mocks/MockPythOracle.sol
+++ b/contracts/oracles/mocks/MockPythOracle.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import { OwnableUpgradeable } from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
 import { IPyth } from "../PythOracle.sol";
diff --git a/contracts/test/AccessControlManager.sol b/contracts/test/AccessControlManager.sol
index 5af58a10..47a5ac88 100644
--- a/contracts/test/AccessControlManager.sol
+++ b/contracts/test/AccessControlManager.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 import "@openzeppelin/contracts/access/AccessControl.sol";
 import "@venusprotocol/governance-contracts/contracts/Governance/AccessControlManager.sol";
 
diff --git a/contracts/test/BEP20Harness.sol b/contracts/test/BEP20Harness.sol
index c73e1c87..f1764226 100644
--- a/contracts/test/BEP20Harness.sol
+++ b/contracts/test/BEP20Harness.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 
diff --git a/contracts/test/MockPyth.sol b/contracts/test/MockPyth.sol
index b0fcf1fb..cb1aae68 100644
--- a/contracts/test/MockPyth.sol
+++ b/contracts/test/MockPyth.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "../interfaces/PythInterface.sol";
 
diff --git a/contracts/test/MockSimpleOracle.sol b/contracts/test/MockSimpleOracle.sol
index b00fb307..0bd5a81a 100644
--- a/contracts/test/MockSimpleOracle.sol
+++ b/contracts/test/MockSimpleOracle.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "../interfaces/OracleInterface.sol";
 
diff --git a/contracts/test/MockV3Aggregator.sol b/contracts/test/MockV3Aggregator.sol
index 53d1791b..755c3cc7 100644
--- a/contracts/test/MockV3Aggregator.sol
+++ b/contracts/test/MockV3Aggregator.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV2V3Interface.sol";
 
diff --git a/contracts/test/PancakePairHarness.sol b/contracts/test/PancakePairHarness.sol
index b39bce78..5cc15b7c 100644
--- a/contracts/test/PancakePairHarness.sol
+++ b/contracts/test/PancakePairHarness.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 // a library for performing various math operations
 
diff --git a/contracts/test/VBEP20Harness.sol b/contracts/test/VBEP20Harness.sol
index 9be7f22b..384e44b9 100644
--- a/contracts/test/VBEP20Harness.sol
+++ b/contracts/test/VBEP20Harness.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: BSD-3-Clause
-pragma solidity 0.8.13;
+pragma solidity 0.8.25;
 
 import "./BEP20Harness.sol";
 
diff --git a/deploy/1-deploy-oracles.ts b/deploy/1-deploy-oracles.ts
index d24c9a58..9c3edf3e 100644
--- a/deploy/1-deploy-oracles.ts
+++ b/deploy/1-deploy-oracles.ts
@@ -4,6 +4,8 @@ import { HardhatRuntimeEnvironment } from "hardhat/types";
 
 import { ADDRESSES } from "../helpers/deploymentConfig";
 
+const ARBITRUM_SEQUENCER = "0xFdB631F5EE196F0ed6FAa767959853A9F217697D";
+
 const func: DeployFunction = async function ({ getNamedAccounts, deployments, network }: HardhatRuntimeEnvironment) {
   const { deploy } = deployments;
   const { deployer } = await getNamedAccounts();
@@ -61,21 +63,39 @@ const func: DeployFunction = async function ({ getNamedAccounts, deployments, ne
     },
   });
 
-  await deploy("ChainlinkOracle", {
-    contract: network.live ? "ChainlinkOracle" : "MockChainlinkOracle",
-    from: deployer,
-    log: true,
-    deterministicDeployment: false,
-    args: [],
-    proxy: {
-      owner: proxyOwnerAddress,
-      proxyContract: "OptimizedTransparentProxy",
-      execute: {
-        methodName: "initialize",
-        args: network.live ? [accessControlManagerAddress] : [],
+  if (network.name === "arbitrum") {
+    await deploy("SequencerChainlinkOracle", {
+      contract: "SequencerChainlinkOracle",
+      from: deployer,
+      log: true,
+      deterministicDeployment: false,
+      args: [ARBITRUM_SEQUENCER],
+      proxy: {
+        owner: proxyOwnerAddress,
+        proxyContract: "OptimizedTransparentProxy",
+        execute: {
+          methodName: "initialize",
+          args: [accessControlManagerAddress],
+        },
       },
-    },
-  });
+    });
+  } else {
+    await deploy("ChainlinkOracle", {
+      contract: network.live ? "ChainlinkOracle" : "MockChainlinkOracle",
+      from: deployer,
+      log: true,
+      deterministicDeployment: false,
+      args: [],
+      proxy: {
+        owner: proxyOwnerAddress,
+        proxyContract: "OptimizedTransparentProxy",
+        execute: {
+          methodName: "initialize",
+          args: network.live ? [accessControlManagerAddress] : [],
+        },
+      },
+    });
+  }
 
   const { pythOracleAddress } = ADDRESSES[networkName];
 
diff --git a/hardhat.config.ts b/hardhat.config.ts
index fe340e08..e540a45d 100644
--- a/hardhat.config.ts
+++ b/hardhat.config.ts
@@ -52,7 +52,7 @@ const config: HardhatUserConfig = {
   solidity: {
     compilers: [
       {
-        version: "0.8.13",
+        version: "0.8.25",
         settings: {
           optimizer: {
             enabled: true,
@@ -129,6 +129,15 @@ const config: HardhatUserConfig = {
       live: true,
       accounts: process.env.DEPLOYER_PRIVATE_KEY ? [`0x${process.env.DEPLOYER_PRIVATE_KEY}`] : [],
     },
+    arbitrum: {
+      url: "https://arbitrum.llamarpc.com/",
+      chainId: 42161,
+      live: true,
+      timeout: 1200000,
+      accounts: {
+        mnemonic: process.env.MNEMONIC || "",
+      },
+    },
   },
   gasReporter: {
     enabled: process.env.REPORT_GAS !== undefined,
diff --git a/package.json b/package.json
index 8784a1a5..43512854 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@venusprotocol/oracle",
   "description": "Venus Protocol Price Oracle",
-  "version": "1.10.0",
+  "version": "2.0.0-dev.1",
   "author": "Venus",
   "engines": {
     "node": ">=18.x.x"
@@ -38,8 +38,8 @@
     "@nomicfoundation/hardhat-network-helpers": "^1.0.8",
     "@openzeppelin/contracts": "^4.6.0",
     "@openzeppelin/contracts-upgradeable": "^4.7.3",
-    "@venusprotocol/governance-contracts": "^1.4.0",
-    "@venusprotocol/solidity-utilities": "1.3.0",
+    "@venusprotocol/governance-contracts": "^2.0.0",
+    "@venusprotocol/solidity-utilities": "^2.0.0",
     "@venusprotocol/venus-protocol": "^6.0.0",
     "ethers": "^5.6.8",
     "hardhat": "^2.16.1",
diff --git a/test/SequencerChainlinkOracle.ts b/test/SequencerChainlinkOracle.ts
new file mode 100644
index 00000000..a0ad0045
--- /dev/null
+++ b/test/SequencerChainlinkOracle.ts
@@ -0,0 +1,73 @@
+import { FakeContract, MockContract, smock } from "@defi-wonderland/smock";
+import chai from "chai";
+import { parseUnits } from "ethers/lib/utils";
+import { ethers } from "hardhat";
+
+import { AggregatorV3Interface, SequencerChainlinkOracle, SequencerChainlinkOracle__factory } from "../typechain-types";
+import { getTime } from "./utils/time";
+
+const { expect } = chai;
+chai.use(smock.matchers);
+
+describe("SequencerChainlinkOracle", () => {
+  let sequencerChainlinkOracle: MockContract<SequencerChainlinkOracle>;
+  let sequencerFeed: FakeContract<AggregatorV3Interface>;
+  const BNB_ADDR = "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB";
+  const GRACE_PERIOD = 3600;
+  const expectedPrice = parseUnits("1", 18);
+  before(async () => {
+    await ethers.provider.send("evm_mine", []); // Mine a block to ensure provider is initialized
+    sequencerFeed = await smock.fake("AggregatorV3Interface");
+    const sequencerChainlinkOracleFactory = await smock.mock<SequencerChainlinkOracle__factory>(
+      "SequencerChainlinkOracle",
+    );
+    sequencerChainlinkOracle = await sequencerChainlinkOracleFactory.deploy(sequencerFeed.address);
+    // configure a hardcoded price just for the sake of returning any value
+    await sequencerChainlinkOracle.setVariable("prices", {
+      "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB": expectedPrice, // native-token address hardcoded price
+    });
+  });
+  it("Should revert if sequencer is down", async () => {
+    sequencerFeed.latestRoundData.returns({
+      roundId: 0, // arbitraty value (not used in logic)
+      answer: 1, // (1 - for 'sequencer down')
+      startedAt: 1, // block.timestamp - startedAt should be > 3600 (GRACE_PERIOD)
+      updatedAt: 1, // arbitraty value (not used in logic)
+      answeredInRound: 1, // arbitraty value (not used in logic)
+    });
+
+    await expect(sequencerChainlinkOracle.getPrice(BNB_ADDR)).to.be.revertedWith("L2 sequencer unavailable");
+  });
+  it("Should revert if sequencer is up, but GRACE_PERIOD has not passed", async () => {
+    sequencerFeed.latestRoundData.returns({
+      roundId: 0, // arbitraty value (not used in logic)
+      answer: 1, // (1 - for 'sequencer down')
+      startedAt: (await getTime()) - GRACE_PERIOD, // block.timestamp - startedAt should be = 3600 (GRACE_PERIOD)
+      updatedAt: 1, // arbitraty value (not used in logic)
+      answeredInRound: 1, // arbitraty value (not used in logic)
+    });
+
+    await expect(sequencerChainlinkOracle.getPrice(BNB_ADDR)).to.be.revertedWith("L2 sequencer unavailable");
+
+    sequencerFeed.latestRoundData.returns({
+      roundId: 0, // arbitraty value (not used in logic)
+      answer: 1, // (1 - for 'sequencer down')
+      startedAt: await getTime(), // block.timestamp - startedAt should be < 3600 (GRACE_PERIOD)
+      updatedAt: 1, // arbitraty value (not used in logic)
+      answeredInRound: 1, // arbitraty value (not used in logic)
+    });
+
+    await expect(sequencerChainlinkOracle.getPrice(BNB_ADDR)).to.be.revertedWith("L2 sequencer unavailable");
+  });
+  it("Should return price", async () => {
+    sequencerFeed.latestRoundData.returns({
+      roundId: 0, // arbitraty value (not used in logic)
+      answer: 0, // (0 - for 'sequencer up')
+      startedAt: 1, // block.timestamp - startedAt should be > 3600 (GRACE_PERIOD)
+      updatedAt: 1, // arbitraty value (not used in logic)
+      answeredInRound: 1, // arbitraty value (not used in logic)
+    });
+
+    expect(await sequencerChainlinkOracle.getPrice(BNB_ADDR)).to.equal(expectedPrice);
+  });
+});
diff --git a/yarn.lock b/yarn.lock
index 59c41df4..4cd2831c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3135,25 +3135,25 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@venusprotocol/governance-contracts@npm:^1.4.0":
-  version: 1.4.0
-  resolution: "@venusprotocol/governance-contracts@npm:1.4.0"
+"@venusprotocol/governance-contracts@npm:^1.4.0-dev.1":
+  version: 1.4.0-dev.9
+  resolution: "@venusprotocol/governance-contracts@npm:1.4.0-dev.9"
   dependencies:
     "@venusprotocol/solidity-utilities": ^1.1.0
     hardhat-deploy-ethers: ^0.3.0-beta.13
     module-alias: ^2.2.2
-  checksum: 85c6b6a815edb0befa4c38e3652a58464827d390620210b99575c16960ee6505e95e7c2192ebc972da7ed758d3c62e150d32fbdd1f01acab1731f29b11d1884e
+  checksum: 25583a20738973d2ade4a1fdf84dcacf0caec42004f5bf755fdfa29b3602f2b9184638f2d828359195bf8baa3b082797cad941874be1a91a61900b343420cead
   languageName: node
   linkType: hard
 
-"@venusprotocol/governance-contracts@npm:^1.4.0-dev.1":
-  version: 1.4.0-dev.9
-  resolution: "@venusprotocol/governance-contracts@npm:1.4.0-dev.9"
+"@venusprotocol/governance-contracts@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "@venusprotocol/governance-contracts@npm:2.0.0"
   dependencies:
-    "@venusprotocol/solidity-utilities": ^1.1.0
+    "@venusprotocol/solidity-utilities": 2.0.0
     hardhat-deploy-ethers: ^0.3.0-beta.13
     module-alias: ^2.2.2
-  checksum: 25583a20738973d2ade4a1fdf84dcacf0caec42004f5bf755fdfa29b3602f2b9184638f2d828359195bf8baa3b082797cad941874be1a91a61900b343420cead
+  checksum: 18b56d951c4e68fa1edadc93ed44daa55c8b81294778a4969d940a084de6d949630eacd4702d1b92f04ad5d709963a3a0a790014871ec34b0b2f4806cebc731c
   languageName: node
   linkType: hard
 
@@ -3188,8 +3188,8 @@ __metadata:
     "@types/sinon-chai": ^3.2.9
     "@typescript-eslint/eslint-plugin": ^5.27.1
     "@typescript-eslint/parser": ^5.27.1
-    "@venusprotocol/governance-contracts": ^1.4.0
-    "@venusprotocol/solidity-utilities": 1.3.0
+    "@venusprotocol/governance-contracts": ^2.0.0
+    "@venusprotocol/solidity-utilities": ^2.0.0
     "@venusprotocol/venus-protocol": ^6.0.0
     chai: ^4.3.6
     cross-env: ^7.0.3
@@ -3241,10 +3241,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@venusprotocol/solidity-utilities@npm:1.3.0":
-  version: 1.3.0
-  resolution: "@venusprotocol/solidity-utilities@npm:1.3.0"
-  checksum: d1109365a5e01959c47b25fb129373db93792e60bf1bc0ed324b63c2a64f6e4a7878ebf016cfade94bc41a2c1245d3e861fdc6b8c5844ac210ed1d73e7307e72
+"@venusprotocol/solidity-utilities@npm:2.0.0, @venusprotocol/solidity-utilities@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "@venusprotocol/solidity-utilities@npm:2.0.0"
+  checksum: 87a2ce2fd1d702bc04c4e98d675b904176c7f2489476e8da586d1782b48faae92aa4f2ba894737773d189ba72a6b274f1464cf2e0308e62758303d0adde749e6
   languageName: node
   linkType: hard