Merge branch 'release/v4.2.0'

CHANGELOG.md

@@ -9,6 +9,9 @@
 - Add MinimumAggregator: An aggregation strategy that returns the minimum price and the total token and quote token liquidity.
 - Add MaximumAggregator: An aggregation strategy that returns the maximum price and the total token and quote token liquidity.
 
+### Utils
+- Add NotAnErc20: An ERC20 implementation meant to be used in Adrastia oracle contracts to provide custom quote token metadata.
+
 ## v4.1.0
 ### Accumulators
 - Add AaveV3SBAccumulator and CometSBAccumulator

contracts/utils/NotAnErc20.sol

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: MIT
+pragma solidity =0.8.13;
+
+import "@openzeppelin-v4/contracts/token/ERC20/ERC20.sol";
+
+/**
+ * @title NotAnErc20
+ * @author TRILEZ SOFTWARE INC. dba. Adrastia
+ * @notice An ERC20 implementation meant to be used in Adrastia oracle contracts to provide custom quote token metadata.
+ */
+contract NotAnErc20 is ERC20 {
+    uint8 internal immutable _decimals;
+
+    constructor(string memory name_, string memory symbol_, uint8 decimals_) ERC20(name_, symbol_) {
+        _decimals = decimals_;
+    }
+
+    function decimals() public view virtual override returns (uint8) {
+        return _decimals;
+    }
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@adrastia-oracle/adrastia-core",
-  "version": "4.2.0-rc.1",
+  "version": "4.2.0",
   "main": "index.js",
   "author": "TRILEZ SOFTWARE INC.",
   "license": "BUSL-1.1",

scripts/verify/maximum-aggregation-strategy.js

@@ -0,0 +1,18 @@
+const hre = require("hardhat");
+
+const contractAddress = "0x92Eb6895550Fd2EFc1519De69f8b85A819A1fDC1";
+
+async function main() {
+    await hre.run("verify:verify", {
+        contract: "contracts/strategies/aggregation/MaximumAggregator.sol:MaximumAggregator",
+        address: contractAddress,
+        constructorArguments: [],
+    });
+}
+
+main()
+    .then(() => process.exit(0))
+    .catch((error) => {
+        console.error(error);
+        process.exit(1);
+    });

scripts/verify/minimum-aggregation-strategy.js

@@ -0,0 +1,18 @@
+const hre = require("hardhat");
+
+const contractAddress = "0x90C8E14d36bfc6ea6c871F5874eE095631d4eDC6";
+
+async function main() {
+    await hre.run("verify:verify", {
+        contract: "contracts/strategies/aggregation/MinimumAggregator.sol:MinimumAggregator",
+        address: contractAddress,
+        constructorArguments: [],
+    });
+}
+
+main()
+    .then(() => process.exit(0))
+    .catch((error) => {
+        console.error(error);
+        process.exit(1);
+    });

test/utils/not-an-erc20.js

@@ -0,0 +1,38 @@
+const { expect } = require("chai");
+const { ethers } = require("hardhat");
+
+describe("NotAnErc20#constructor", function () {
+    var factory;
+
+    beforeEach(async function () {
+        factory = await ethers.getContractFactory("NotAnErc20");
+    });
+
+    it("Sets the name and symbol", async function () {
+        const name = "Token name";
+        const symbol = "TKN";
+
+        const notAnErc20 = await factory.deploy(name, symbol, 18);
+
+        expect(await notAnErc20.name()).to.equal(name);
+        expect(await notAnErc20.symbol()).to.equal(symbol);
+    });
+
+    it("Sets the decimals to 0", async function () {
+        const notAnErc20 = await factory.deploy("", "", 0);
+
+        expect(await notAnErc20.decimals()).to.equal(0);
+    });
+
+    it("Sets the decimals to 6", async function () {
+        const notAnErc20 = await factory.deploy("", "", 6);
+
+        expect(await notAnErc20.decimals()).to.equal(6);
+    });
+
+    it("Sets the decimals to 18", async function () {
+        const notAnErc20 = await factory.deploy("", "", 18);
+
+        expect(await notAnErc20.decimals()).to.equal(18);
+    });
+});