New release

CHANGELOG.md

@@ -1,3 +1,32 @@
+## [1.2.0-dev.2](https://github.com/VenusProtocol/solidity-utilities/compare/v1.2.0-dev.1...v1.2.0-dev.2) (2023-12-27)
+
+
+### Features
+
+* set compiler config similar to other packages ([8cc9b56](https://github.com/VenusProtocol/solidity-utilities/commit/8cc9b560e38b0692023b536be0ae3cbb3f228aa2))
+
+## [1.2.0-dev.1](https://github.com/VenusProtocol/solidity-utilities/compare/v1.1.1-dev.1...v1.2.0-dev.1) (2023-12-21)
+
+
+### Features
+
+* add TimeManagerV5 and TimeManagerV8 ([29db1cd](https://github.com/VenusProtocol/solidity-utilities/commit/29db1cdc8455a04736fcc2fc5e5cf6221aa5050d))
+
+
+### Bug Fixes
+
+* change contract name ([066450f](https://github.com/VenusProtocol/solidity-utilities/commit/066450f79d1c0872ed9baa39f55ebb2952ebb33f))
+* comments and revert condition ([d037cf3](https://github.com/VenusProtocol/solidity-utilities/commit/d037cf33114552e730aee83e209bd4c937d73703))
+* netscape ([05d1962](https://github.com/VenusProtocol/solidity-utilities/commit/05d19627e649cc456e15dcf2da9671d19ccfe4fa))
+
+## [1.1.1-dev.1](https://github.com/VenusProtocol/solidity-utilities/compare/v1.1.0...v1.1.1-dev.1) (2023-12-07)
+
+
+### Bug Fixes
+
+* added seconds per year ([0ac205b](https://github.com/VenusProtocol/solidity-utilities/commit/0ac205b92d2a84b9832c764f21bab09bc2a8cda8))
+* lint ([212e959](https://github.com/VenusProtocol/solidity-utilities/commit/212e9590568ba433a2d5b7b40445374143f20561))
+
 ## [1.1.0](https://github.com/VenusProtocol/solidity-utilities/compare/v1.0.1...v1.1.0) (2023-11-07)
 
 

contracts/TimeManagerV5.sol

@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: BSD-3-Clause
+pragma solidity 0.5.16;
+
+contract TimeManagerV5 {
+    /// @dev The approximate number of seconds per year
+    uint256 public constant SECONDS_PER_YEAR = 31_536_000;
+
+    /// @notice Number of blocks per year or seconds per year
+    uint256 public blocksOrSecondsPerYear;
+
+    /// @dev Sets true when block timestamp is used
+    bool public isTimeBased;
+
+    /**
+     * @dev This empty reserved space is put in place to allow future versions to add new
+     * variables without shifting down storage in the inheritance chain
+     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
+     */
+    uint256[47] private __gap;
+
+    /**
+     * @dev Retrieves the current slot
+     * @return Current slot
+     */
+    function() view returns (uint256) private _getCurrentSlot;
+
+    /**
+     * @param timeBased_ A boolean indicating whether the contract is based on time or block
+     * If timeBased is true than blocksPerYear_ param is ignored as blocksOrSecondsPerYear is set to SECONDS_PER_YEAR
+     * @param blocksPerYear_ The number of blocks per year
+     */
+    constructor(bool timeBased_, uint256 blocksPerYear_) public {
+        if (!timeBased_ && blocksPerYear_ == 0) {
+            revert("Invalid blocks per year");
+        }
+        if (timeBased_ && blocksPerYear_ != 0) {
+            revert("Invalid time based configuration");
+        }
+
+        isTimeBased = timeBased_;
+        blocksOrSecondsPerYear = timeBased_ ? SECONDS_PER_YEAR : blocksPerYear_;
+        _getCurrentSlot = timeBased_ ? _getBlockTimestamp : _getBlockNumber;
+    }
+
+    /**
+     * @dev Function to simply retrieve block number or block timestamp
+     * @return Current block number or block timestamp
+     */
+    function getBlockNumberOrTimestamp() public view returns (uint256) {
+        return _getCurrentSlot();
+    }
+
+    /**
+     * @dev Returns the current timestamp in seconds
+     * @return The current timestamp
+     */
+    function _getBlockTimestamp() private view returns (uint256) {
+        return block.timestamp;
+    }
+
+    /**
+     * @dev Returns the current block number
+     * @return The current block number
+     */
+    function _getBlockNumber() private view returns (uint256) {
+        return block.number;
+    }
+}

contracts/TimeManagerV8.sol

@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: BSD-3-Clause
+pragma solidity 0.8.13;
+
+import { SECONDS_PER_YEAR } from "./constants.sol";
+
+abstract contract TimeManagerV8 {
+    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
+    uint256 public immutable blocksOrSecondsPerYear;
+
+    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
+    bool public immutable isTimeBased;
+
+    /**
+     * @dev This empty reserved space is put in place to allow future versions to add new
+     * variables without shifting down storage in the inheritance chain
+     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
+     */
+    uint256[48] private __gap;
+
+    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
+    function() view returns (uint256) private immutable _getCurrentSlot;
+
+    /// @notice Thrown when blocks per year is invalid
+    error InvalidBlocksPerYear();
+
+    /// @notice Thrown when time based but blocks per year is provided
+    error InvalidTimeBasedConfiguration();
+
+    /**
+     * @param timeBased_ A boolean indicating whether the contract is based on time or block
+     * If timeBased is true than blocksPerYear_ param is ignored as blocksOrSecondsPerYear is set to SECONDS_PER_YEAR
+     * @param blocksPerYear_ The number of blocks per year
+     * @custom:error InvalidBlocksPerYear is thrown if blocksPerYear entered is zero and timeBased is false
+     * @custom:error InvalidTimeBasedConfiguration is thrown if blocksPerYear entered is non zero and timeBased is true
+     * @custom:oz-upgrades-unsafe-allow constructor
+     */
+    constructor(bool timeBased_, uint256 blocksPerYear_) {
+        if (!timeBased_ && blocksPerYear_ == 0) {
+            revert InvalidBlocksPerYear();
+        }
+
+        if (timeBased_ && blocksPerYear_ != 0) {
+            revert InvalidTimeBasedConfiguration();
+        }
+
+        isTimeBased = timeBased_;
+        blocksOrSecondsPerYear = timeBased_ ? SECONDS_PER_YEAR : blocksPerYear_;
+        _getCurrentSlot = timeBased_ ? _getBlockTimestamp : _getBlockNumber;
+    }
+
+    /**
+     * @dev Function to simply retrieve block number or block timestamp
+     * @return Current block number or block timestamp
+     */
+    function getBlockNumberOrTimestamp() public view virtual returns (uint256) {
+        return _getCurrentSlot();
+    }
+
+    /**
+     * @dev Returns the current timestamp in seconds
+     * @return The current timestamp
+     */
+    function _getBlockTimestamp() private view returns (uint256) {
+        return block.timestamp;
+    }
+
+    /**
+     * @dev Returns the current block number
+     * @return The current block number
+     */
+    function _getBlockNumber() private view returns (uint256) {
+        return block.number;
+    }
+}

contracts/constants.sol

@@ -6,3 +6,6 @@ uint256 constant EXP_SCALE = 1e18;
 
 /// @dev A unit (literal one) in EXP_SCALE, usually used in additions/subtractions
 uint256 constant MANTISSA_ONE = EXP_SCALE;
+
+/// @dev The approximate number of seconds per year
+uint256 constant SECONDS_PER_YEAR = 31_536_000;

hardhat.config.ts

@@ -36,10 +36,22 @@ const config: HardhatUserConfig = {
         settings: {
           optimizer: {
             enabled: true,
-            details: {
-              yul: !process.env.CI,
+            runs: 200,
+          },
+          outputSelection: {
+            "*": {
+              "*": ["storageLayout"],
             },
           },
+        },
+      },
+      {
+        version: "0.5.16",
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 200,
+          },
           outputSelection: {
             "*": {
               "*": ["storageLayout"],

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@venusprotocol/solidity-utilities",
-  "version": "1.1.0",
+  "version": "1.2.0-dev.2",
   "description": "Solidity code used by other Venus projects",
   "files": [
     "artifacts",

tests/hardhat/TimeManagerV5.ts

@@ -0,0 +1,34 @@
+import chai from "chai";
+import { ethers } from "hardhat";
+
+const { expect } = chai;
+
+describe("TimeManagerV5: tests", async () => {
+  let timeManager: ethers.Contracts;
+  describe("For block number", async () => {
+    const blocksPerYear = 10512000;
+    beforeEach(async () => {
+      const timeManagerV5 = await ethers.getContractFactory("TimeManagerV5");
+      timeManager = await timeManagerV5.deploy(false, blocksPerYear);
+    });
+
+    it("Retrieves block timestamp", async () => {
+      const currentBlockNumber = (await ethers.provider.getBlock("latest")).number;
+      expect(await timeManager.getBlockNumberOrTimestamp()).to.be.equal(currentBlockNumber);
+      expect(await timeManager.blocksOrSecondsPerYear()).to.be.equal(blocksPerYear);
+    });
+  });
+  describe("For block timestamp", async () => {
+    beforeEach(async () => {
+      const timeManagerV5 = await ethers.getContractFactory("TimeManagerV5");
+      timeManager = await timeManagerV5.deploy(true, 0);
+    });
+
+    it("Retrieves block timestamp", async () => {
+      const secondsPerYear = await timeManager.SECONDS_PER_YEAR();
+      const currentBlocktimestamp = (await ethers.provider.getBlock("latest")).timestamp;
+      expect(await timeManager.getBlockNumberOrTimestamp()).to.be.equal(currentBlocktimestamp);
+      expect(await timeManager.blocksOrSecondsPerYear()).to.be.equal(secondsPerYear);
+    });
+  });
+});