Remappings

foundry.toml

@@ -1,10 +1,27 @@
 [default]
 src = 'contracts'
 out = 'out'
-libs = [
-    'lib'
+libs = ['lib']
+remappings = ['@forge-std/=lib/forge-std/', '@contracts/=contracts/']
+ffi = true
+auto_detect_solc = true
+verbosity = 5
+
+[build]
+src = 'src'
+out = 'bout'                   # output directory conflicts with dapptools
+libs = ['lib']
+auto_detect_solc = true
+remappings = [
+    '@utils/=src/utils/',
+    '@openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/',
+    '@contracts/=src/contracts/',
+    '@openzeppelin/=lib/openzeppelin-contracts/',
+    'ds-test/=lib/ds-test/src/',
+    'openzeppelin-contracts/=lib/openzeppelin-contracts/',
 ]
-ffi=true
-verbosity=5
+optimizer = true
+optimizer_runs = 200
+via_ir = true
 
-# See more config options https://github.com/foundry-rs/foundry/tree/master/config
+# See more config options https://github.com/foundry-rs/foundry/tree/master/config

package.json

@@ -1,6 +1,7 @@
 {
   "name": "hardhat-project",
   "dependencies": {
-    "@nomiclabs/hardhat-ethers": "^2.0.6"
+    "@nomiclabs/hardhat-ethers": "^2.0.6",
+    "ethers": "^5.6.9"
   }
 }

remappings.txt

@@ -0,0 +1,2 @@
+@contracts/=/contracts/
+@forge-std/=lib/forge-std/

scripts/genSelectors.js

@@ -1,36 +1,45 @@
-const { artifacts, ethers } = require('hardhat')
-const hre = require('hardhat')
-const args = process.argv.slice(2)
+const ethers = require("ethers");
+const path = require("path/posix");
+
+const args = process.argv.slice(2);
 
 if (args.length != 1) {
   console.log(`please supply the correct parameters:
     facetName
-  `)
-  process.exit(1)
+  `);
+  process.exit(1);
 }
 
-async function printSelectors(contractName) {
-  const target = await ethers.getContractFactory(contractName)
-  const signatures = Object.keys(target.interface.functions)
+async function printSelectors(contractName, artifactFolderPath = "../out") {
+  const contractFilePath = path.join(
+    artifactFolderPath,
+    `${contractName}.sol`,
+    `${contractName}.json`
+  );
+  const contractArtifact = require(contractFilePath);
+  const abi = contractArtifact.abi;
+  const bytecode = contractArtifact.bytecode;
+  const target = new ethers.ContractFactory(abi, bytecode);
+  const signatures = Object.keys(target.interface.functions);
 
   const selectors = signatures.reduce((acc, val) => {
-    if (val !== 'init(bytes)') {
-      acc.push(target.interface.getSighash(val))
+    if (val !== "init(bytes)") {
+      acc.push(target.interface.getSighash(val));
     }
-    return acc
-  }, [])
+    return acc;
+  }, []);
 
-  const coder = ethers.utils.defaultAbiCoder
-  const coded = coder.encode(['bytes4[]'], [selectors])
+  const coder = ethers.utils.defaultAbiCoder;
+  const coded = coder.encode(["bytes4[]"], [selectors]);
 
-  process.stdout.write(coded)
+  process.stdout.write(coded);
 }
 
 // We recommend this pattern to be able to use async/await everywhere
 // and properly handle errors.
-printSelectors(args[0])
+printSelectors(args[0], args[1])
   .then(() => process.exit(0))
   .catch((error) => {
-    console.error(error)
-    process.exit(1)
-  })
+    console.error(error);
+    process.exit(1);
+  });

test/deployDiamond.t.sol

@@ -5,8 +5,9 @@ import "../contracts/interfaces/IDiamondCut.sol";
 import "../contracts/facets/DiamondCutFacet.sol";
 import "../contracts/facets/DiamondLoupeFacet.sol";
 import "../contracts/facets/OwnershipFacet.sol";
-import "../../lib/forge-std/src/Test.sol";
+
 import "../contracts/Diamond.sol";
+import "@forge-std/src/Test.sol";
 
 contract DiamondDeployer is Test, IDiamondCut {
     //contract types of facets to be deployed