feat: foundry integration

.env.example

@@ -1,3 +1,3 @@
 ETHERSCAN_API_KEY=ABC123ABC123ABC123ABC123ABC123ABC1
-ROPSTEN_URL=https://eth-ropsten.alchemyapi.io/v2/<YOUR ALCHEMY KEY>
+SEPOLIA_URL=https://eth-sepolia.alchemyapi.io/v2/<YOUR ALCHEMY KEY>
 PRIVATE_KEY=0xabc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1

.gitignore

@@ -7,3 +7,7 @@ typechain
 #Hardhat files
 cache
 artifacts
+
+#Foundry files
+cache_forge
+out

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "lib/forge-std"]
+	path = lib/forge-std
+	url = https://github.com/foundry-rs/forge-std
+	branch = v1.5.2

contracts/PoseidonHasher.sol

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: (MIT OR Apache-2.0)
+// SPDX-License-Identifier: MIT
 
 // Forked from https://github.com/kilic/rlnapp/
 

contracts/Rln.sol

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: (MIT OR Apache-2.0)
+// SPDX-License-Identifier: MIT
 
 pragma solidity 0.8.15;
 

foundry.toml

@@ -0,0 +1,6 @@
+[profile.default]
+src = 'contracts'
+out = 'out'
+libs = ['node_modules', 'lib']
+test = 'test'
+cache_path  = 'cache_forge'

hardhat.config.ts

@@ -3,24 +3,31 @@ import * as dotenv from "dotenv";
 import { HardhatUserConfig } from "hardhat/config";
 import { NetworksUserConfig } from "hardhat/types";
 
+import "@nomicfoundation/hardhat-foundry";
 import "hardhat-deploy";
+import "@nomiclabs/hardhat-etherscan";
 import "@nomiclabs/hardhat-ethers";
 import "@nomiclabs/hardhat-waffle";
 import "hardhat-gas-reporter";
 import "solidity-coverage";
 
 dotenv.config();
-const { SEPOLIA_URL, PRIVATE_KEY } = process.env;
+const { SEPOLIA_URL, PRIVATE_KEY, ETHERSCAN_API_KEY } = process.env;
 
 const getNetworkConfig = (): NetworksUserConfig | undefined => {
   if (SEPOLIA_URL && PRIVATE_KEY) {
     return {
-      goerli: {
+      sepolia: {
         url: SEPOLIA_URL,
         accounts: [PRIVATE_KEY],
         forking: {
           url: SEPOLIA_URL,
         },
+        verify: {
+          etherscan: {
+            apiKey: ETHERSCAN_API_KEY,
+          }
+        }
       },
       localhost_integration: {
         url: "http://localhost:8545",

lib/forge-std

@@ -0,0 +1 @@
+Subproject commit 2b58ecbcf3dfde7a75959dc7b4eb3d0670278de6

package.json

@@ -2,25 +2,30 @@
   "name": "rln-contract",
   "license": "(MIT OR Apache-2.0)",
   "scripts": {
-    "start": "hardhat node",
+    "start": "hardhat node --export-all=deployments/allDeployments.json",
     "compile": "hardhat compile",
+    "test": "yarn test:foundry && yarn test:hardhat",
     "test:hardhat": "hardhat test",
     "test:hardhat:localhost": "yarn test:hardhat --network localhost",
     "test:hardhat:sepolia": "yarn test:hardhat --network sepolia",
     "test:foundry": "forge test",
-    "deploy": "hardhat run scripts/deploy.ts --network",
+    "deploy": "hardhat deploy --export-all=deployments/allDeployments.json --network",
     "deploy:sepolia": "yarn deploy sepolia",
     "deploy:localhost": "yarn deploy localhost",
+    "verify:sepolia": "hardhat --network sepolia etherscan-verify",
     "coverage": "hardhat coverage",
     "fmt": "prettier --write \"**/*.{js,ts}\"",
     "lint": "prettier --check \"**/*.{js,ts}\"",
     "prepare": "husky install"
   },
   "devDependencies": {
+    "@nomicfoundation/hardhat-foundry": "^1.0.0",
     "@nomiclabs/hardhat-ethers": "npm:hardhat-deploy-ethers",
-    "@nomiclabs/hardhat-etherscan": "^3.1.0",
+    "@nomiclabs/hardhat-etherscan": "^3.1.7",
     "@nomiclabs/hardhat-waffle": "^2.0.3",
+    "@types/chai": "^4.3.6",
     "@types/mocha": "^9.1.1",
+    "@types/node": "^16.11.6",
     "chai": "^4.3.6",
     "ethereum-waffle": "^3.4.4",
     "ethers": "^5.7.2",

test/PoseidonHasher.t.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: Unlicense
+pragma solidity ^0.8.15;
+
+import "../contracts/PoseidonHasher.sol";
+import "forge-std/Test.sol";
+
+contract PoseidonHasherTest is Test {
+    PoseidonHasher public poseidon;
+
+    /// @dev Setup the testing environment.
+    function setUp() public {
+        poseidon = new PoseidonHasher();
+    }
+
+    /// @dev Ensure that you can hash a value.
+    function testHasher(uint256 value) public {
+        assertEq(poseidon.hash(value), poseidon.hash(value));
+    }
+
+    function testHasher() public {
+        assertEq(
+            poseidon.hash(
+                19014214495641488759237505126948346942972912379615652741039992445865937985820
+            ),
+            0x0c3ac305f6a4fe9bfeb3eba978bc876e2a99208b8b56c80160cfb54ba8f02368
+        );
+    }
+}

yarn.lock

@@ -659,6 +659,13 @@
     mcl-wasm "^0.7.1"
     rustbn.js "~0.2.0"
 
+"@nomicfoundation/hardhat-foundry@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@nomicfoundation/hardhat-foundry/-/hardhat-foundry-1.0.0.tgz#14eba643138b09e4a8f2fed2a99bc9c96c487b0a"
+  integrity sha512-/2cmtIZPnsQj/SRIu9idbBan5j19RD35MECAGmZCcuXX4AO6Wn0nOnpUwpcvGomKW403h4+rXh8AHMWC4Vvw0Q==
+  dependencies:
+    chalk "^2.4.2"
+
 "@nomicfoundation/solidity-analyzer-darwin-arm64@0.1.1":
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/@nomicfoundation/solidity-analyzer-darwin-arm64/-/solidity-analyzer-darwin-arm64-0.1.1.tgz#4c858096b1c17fe58a474fe81b46815f93645c15"
@@ -730,7 +737,7 @@
   resolved "https://registry.yarnpkg.com/hardhat-deploy-ethers/-/hardhat-deploy-ethers-0.3.0-beta.13.tgz#b96086ff768ddf69928984d5eb0a8d78cfca9366"
   integrity sha512-PdWVcKB9coqWV1L7JTpfXRCI91Cgwsm7KLmBcwZ8f0COSm1xtABHZTyz3fvF6p42cTnz1VM0QnfDvMFlIRkSNw==
 
-"@nomiclabs/hardhat-etherscan@^3.1.0":
+"@nomiclabs/hardhat-etherscan@^3.1.7":
   version "3.1.7"
   resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-3.1.7.tgz#72e3d5bd5d0ceb695e097a7f6f5ff6fcbf062b9a"
   integrity sha512-tZ3TvSgpvsQ6B6OGmo1/Au6u8BrAkvs1mIC/eURA3xgIfznUZBhmpne8hv7BXUzw9xNL3fXdpOYgOQlVMTcoHQ==
@@ -996,6 +1003,11 @@
     "@types/node" "*"
     "@types/responselike" "^1.0.0"
 
+"@types/chai@^4.3.6":
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.3.4.tgz#e913e8175db8307d78b4e8fa690408ba6b65dee4"
+  integrity sha512-KnRanxnpfpjUTqTCXslZSEdLfXExwgNxYPdiO2WGUj8+HDjFi8R3k5RVKPeSCzLjCcshCAtVO2QBbVuAV4kTnw==
+
 "@types/concat-stream@^1.6.0":
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/@types/concat-stream/-/concat-stream-1.6.1.tgz#24bcfc101ecf68e886aaedce60dfd74b632a1b74"
@@ -1075,6 +1087,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.20.55.tgz#c329cbd434c42164f846b909bd6f85b5537f6240"
   integrity sha512-J8xLz7q2OFulZ2cyGTLE1TbbZcjpno7FaN6zdJNrgAdrJ+DZzh/uFR6YrTb4C+nXakvud8Q4+rbhoIWlYQbUFQ==
 
+"@types/node@^16.11.6":
+  version "16.18.22"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.18.22.tgz#a6505a5da1387aae03fddfb93591118f27b4c0ea"
+  integrity sha512-LJSIirgASa1LicFGTUFwDY7BfKDtLIbijqDLkH47LxEo/jtdrtiZ4/kLPD99bEQhTcPcuh6KhDllHqRxygJD2w==
+
 "@types/node@^8.0.0":
   version "8.10.66"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.66.tgz#dd035d409df322acc83dff62a602f12a5783bbb3"