contracts-periphery: add typechain (#2987)

* contracts-periphery: add typechain

* ctp: fix depcheck
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

.changeset/famous-schools-argue.md

+---
+'@eth-optimism/contracts-periphery': patch
+---
+
+Add typechain with ethers v5 support

packages/contracts-periphery/.depcheckrc

@@ -2,6 +2,8 @@ ignores: [
   "@eth-optimism/contracts-bedrock",
   "@openzeppelin/contracts",
   "@openzeppelin/contracts-upgradeable",
+  "@ethersproject/providers",
+  "@ethersproject/abi",
   "@rari-capital/solmate",
   "@types/node",
   "hardhat-deploy",

packages/contracts-periphery/hardhat.config.ts

@@ -10,6 +10,7 @@ import '@nomiclabs/hardhat-ethers'
 import '@nomiclabs/hardhat-waffle'
 import '@nomiclabs/hardhat-etherscan'
 import '@eth-optimism/hardhat-deploy-config'
+import '@typechain/hardhat'
 import 'solidity-coverage'
 import 'hardhat-gas-reporter'
 import 'hardhat-deploy'
@@ -92,6 +93,10 @@ const config: HardhatUserConfig = {
   mocha: {
     timeout: 50000,
   },
+  typechain: {
+    outDir: 'dist/types',
+    target: 'ethers-v5',
+  },
   solidity: {
     compilers: [
       {

packages/contracts-periphery/package.json

@@ -7,13 +7,10 @@
   "files": [
     "dist/**/*.js",
     "dist/**/*.d.ts",
-    "dist/types/*.ts",
+    "dist/types",
     "artifacts/contracts/**/*.json",
     "deployments/**/*.json",
-    "L1",
-    "L2",
-    "libraries",
-    "standards"
+    "contracts"
   ],
   "scripts": {
     "build": "yarn build:hh",
@@ -71,6 +68,8 @@
     "@types/chai": "^4.2.18",
     "@types/mocha": "^8.2.2",
     "@types/node": "^17.0.21",
+    "@typechain/ethers-v5": "^10.1.0",
+    "@typechain/hardhat": "^6.1.2",
     "babel-eslint": "^10.1.0",
     "chai": "^4.3.4",
     "copyfiles": "^2.3.0",
@@ -92,6 +91,7 @@
     "solhint": "^3.3.6",
     "solhint-plugin-prettier": "^0.0.5",
     "solidity-coverage": "^0.7.17",
-    "ts-node": "^10.8.2"
+    "ts-node": "^10.8.2",
+    "typechain": "^8.1.0"
   }
 }

yarn.lock

@@ -3190,6 +3190,14 @@
   dependencies:
     fs-extra "^9.1.0"
 
+"@typechain/hardhat@^6.1.2":
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/@typechain/hardhat/-/hardhat-6.1.2.tgz#d3beccc6937d93f9b437616b741f839a8b953693"
+  integrity sha512-k4Ea3pVITKB2DH8p1a5U38cyy7KZPD04Spo4q5b4wO+n2mT+uAz5dxckPtbczn/Kk5wiFq+ZkuOtw5ZKFhL/+w==
+  dependencies:
+    fs-extra "^9.1.0"
+    lodash "^4.17.15"
+
 "@types/abstract-leveldown@*":
   version "5.0.2"
   resolved "https://registry.yarnpkg.com/@types/abstract-leveldown/-/abstract-leveldown-5.0.2.tgz#ee81917fe38f770e29eec8139b6f16ee4a8b0a5f"