refactor: set up monorepo

.eslintrc.js

@@ -1,4 +1,5 @@
 module.exports = {
+  root: true,
   env: {
     commonjs: true,
     es6: true,

.github/workflows/build-test.yml

@@ -6,6 +6,7 @@ on:
 
 env:
   MAINNET_RPC: ${{ secrets.MAINNET_RPC }}
+  CACHE_KEY: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}-monorepo
 
 jobs:
   install:
@@ -25,6 +26,8 @@ jobs:
 
       - name: Install node_modules
         uses: OffchainLabs/actions/node-modules/install@main
+        with:
+          cache-key: ${{ env.CACHE_KEY }}
 
   lint:
     name: Lint on Node.js v${{ matrix.node-version }}
@@ -48,6 +51,8 @@ jobs:
 
       - name: Install node_modules
         uses: OffchainLabs/actions/node-modules/install@main
+        with:
+          cache-key: ${{ env.CACHE_KEY }}
 
       - name: Lint sdk
         run: |
@@ -93,6 +98,8 @@ jobs:
 
       - name: Install node_modules
         uses: OffchainLabs/actions/node-modules/install@main
+        with:
+          cache-key: ${{ env.CACHE_KEY }}
 
       - run: yarn audit:ci
 
@@ -114,6 +121,8 @@ jobs:
 
       - name: Install node_modules
         uses: OffchainLabs/actions/node-modules/install@main
+        with:
+          cache-key: ${{ env.CACHE_KEY }}
 
       - name: Build
         run: |
@@ -176,6 +185,8 @@ jobs:
 
       - name: Install node_modules
         uses: OffchainLabs/actions/node-modules/install@main
+        with:
+          cache-key: ${{ env.CACHE_KEY }}
 
       - name: Set up the local node
         uses: OffchainLabs/actions/run-nitro-test-node@main

package.json

@@ -1,56 +1,19 @@
 {
-  "name": "@arbitrum/sdk",
-  "version": "4.0.2",
-  "description": "Typescript library client-side interactions with Arbitrum",
-  "author": "Offchain Labs, Inc.",
-  "license": "Apache-2.0",
-  "main": "dist/index.js",
-  "types": "dist/index.d.ts",
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/offchainlabs/arbitrum-sdk.git"
-  },
-  "engines": {
-    "node": ">=v11",
-    "npm": "please-use-yarn",
-    "yarn": ">= 1.0.0"
-  },
-  "bugs": {
-    "url": "https://github.com/offchainlabs/arbitrum-sdk/issues"
-  },
-  "homepage": "https://offchainlabs.com",
+  "private": true,
   "scripts": {
     "audit:ci": "audit-ci --config ./audit-ci.jsonc",
-    "prepare": "yarn run gen:abi",
-    "gen:abi": "node ./scripts/genAbi.js",
-    "gen:network": "ts-node ./scripts/genNetwork.ts",
-    "prepublishOnly": "yarn build && yarn format",
-    "preversion": "yarn lint",
-    "prebuild": "yarn gen:abi",
-    "build": "./scripts/builder",
-    "watch": "tsc --watch",
-    "test": "mocha",
-    "test:coverage": "nyc mocha",
-    "test:fork": "SHOULD_FORK=1 hardhat test tests/fork/*.test.ts",
-    "test:integration": "mocha tests/integration/ --timeout 30000000 --bail",
-    "test:unit": "mocha --parallel tests/unit/ --timeout 30000 --bail",
-    "test:ci": "nyc --reporter=lcovonly mocha --reporter xunit",
-    "lint": "eslint .",
-    "format": "prettier './**/*.{js,json,md,ts,yml}' '!./src/lib/abi' --write && yarn run lint --fix",
-    "clean:compile": "ts-node scripts/cleanCompileContracts.ts",
-    "checkRetryable": "ts-node scripts/checkRetryableStatus.ts",
-    "redeemRetryable": "ts-node scripts/redeemRetryable.ts",
-    "setStandard": "ts-node scripts/setStandardGateways.ts",
-    "setCustom": "ts-node scripts/setArbCustomGateways.ts",
-    "cancelRetryable": "ts-node scripts/cancelRetryable.ts",
-    "bridgeStandardToken": "ts-node scripts/deployStandard.ts"
+    "build": "yarn workspace @arbitrum/sdk build",
+    "lint": "yarn workspace @arbitrum/sdk lint",
+    "format": "yarn workspace @arbitrum/sdk format",
+    "test:unit": "yarn workspace @arbitrum/sdk test:unit",
+    "test:integration": "yarn workspace @arbitrum/sdk test:integration",
+    "gen:abi": "yarn workspace @arbitrum/sdk gen:abi",
+    "gen:network": "yarn workspace @arbitrum/sdk gen:network"
   },
-  "dependencies": {
-    "@ethersproject/address": "^5.0.8",
-    "@ethersproject/bignumber": "^5.1.1",
-    "@ethersproject/bytes": "^5.0.8",
-    "async-mutex": "^0.4.0",
-    "ethers": "^5.1.0"
+  "workspaces": {
+    "packages": [
+      "packages/*"
+    ]
   },
   "devDependencies": {
     "@arbitrum/nitro-contracts": "^1.1.1",
@@ -87,9 +50,6 @@
     "typescript": "^4.9.5",
     "yargs": "^17.3.1"
   },
-  "files": [
-    "dist/**/*"
-  ],
   "resolutions": {
     "lodash.pick": "https://github.com/lodash/lodash/archive/refs/tags/4.17.21.tar.gz",
     "**/@ethersproject/providers/ws": "7.5.10",

packages/sdk/.eslintrc

@@ -0,0 +1,8 @@
+{
+  "root": false,
+  "extends": ["../../.eslintrc.js"],
+  "parserOptions": {
+    "files": ["src/**/*.ts", "src/**/*.js"]
+  },
+  "ignorePatterns": ["dist/**/*", "node_modules/**/*"]
+} 

packages/sdk/.prettierrc.js

@@ -0,0 +1,5 @@
+const baseConfig = require('../../.prettierrc.js')
+
+module.exports = {
+  ...baseConfig,
+}

packages/sdk/package.json

@@ -0,0 +1,58 @@
+{
+  "name": "@arbitrum/sdk",
+  "version": "4.0.2",
+  "description": "Typescript library client-side interactions with Arbitrum",
+  "author": "Offchain Labs, Inc.",
+  "license": "Apache-2.0",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/offchainlabs/arbitrum-sdk.git"
+  },
+  "engines": {
+    "node": ">=v11",
+    "npm": "please-use-yarn",
+    "yarn": ">= 1.0.0"
+  },
+  "bugs": {
+    "url": "https://github.com/offchainlabs/arbitrum-sdk/issues"
+  },
+  "homepage": "https://offchainlabs.com",
+  "files": [
+    "dist/**/*"
+  ],
+  "scripts": {
+    "audit:ci": "audit-ci --config ./audit-ci.jsonc",
+    "prepare": "yarn run gen:abi",
+    "gen:abi": "node ./scripts/genAbi.js",
+    "gen:network": "ts-node ./scripts/genNetwork.ts",
+    "prepublishOnly": "yarn build && yarn format",
+    "preversion": "yarn lint",
+    "prebuild": "yarn gen:abi",
+    "build": "./scripts/builder",
+    "watch": "tsc --watch",
+    "test": "mocha",
+    "test:coverage": "nyc mocha",
+    "test:fork": "SHOULD_FORK=1 hardhat test tests/fork/*.test.ts",
+    "test:integration": "mocha tests/integration/ --timeout 30000000 --bail",
+    "test:unit": "mocha --parallel tests/unit/ --timeout 30000 --bail",
+    "test:ci": "nyc --reporter=lcovonly mocha --reporter xunit",
+    "lint": "eslint .",
+    "format": "prettier './**/*.{js,json,md,ts,yml}' '!./src/lib/abi' --write && yarn run lint --fix",
+    "clean:compile": "ts-node scripts/cleanCompileContracts.ts",
+    "checkRetryable": "ts-node scripts/checkRetryableStatus.ts",
+    "redeemRetryable": "ts-node scripts/redeemRetryable.ts",
+    "setStandard": "ts-node scripts/setStandardGateways.ts",
+    "setCustom": "ts-node scripts/setArbCustomGateways.ts",
+    "cancelRetryable": "ts-node scripts/cancelRetryable.ts",
+    "bridgeStandardToken": "ts-node scripts/deployStandard.ts"
+  },
+  "dependencies": {
+    "@ethersproject/address": "^5.0.8",
+    "@ethersproject/bignumber": "^5.1.1",
+    "@ethersproject/bytes": "^5.0.8",
+    "async-mutex": "^0.4.0",
+    "ethers": "^5.1.0"
+  }
+}

scripts/deployStandard.ts → packages/sdk/scripts/deployStandard.ts

@@ -1,11 +1,12 @@
 import { instantiateBridge } from './instantiate_bridge'
-import dotenv from 'dotenv'
+import { loadEnv } from '../src/lib/utils/env'
 import args from './getCLargs'
 import { constants, BigNumber, utils } from 'ethers'
 import { MultiCaller } from '../src'
 import axios from 'axios'
 import prompt from 'prompts'
-dotenv.config()
+
+loadEnv()
 
 const privKey = process.env.PRIVKEY as string
 if (!privKey) {

scripts/genNetwork.ts → packages/sdk/scripts/genNetwork.ts

@@ -1,5 +1,4 @@
-import * as dotenv from 'dotenv'
-dotenv.config()
+import { loadEnv } from '../src/lib/utils/env'
 import { execSync } from 'child_process'
 import * as fs from 'fs'
 
@@ -11,6 +10,8 @@ import {
   mapL2NetworkToArbitrumNetwork,
 } from '../src/lib/dataEntities/networks'
 
+loadEnv()
+
 const isTestingOrbitChains = process.env.ORBIT_TEST === '1'
 
 function getLocalNetworksFromContainer(which: 'l1l2' | 'l2l3'): any {

scripts/instantiate_bridge.ts → packages/sdk/scripts/instantiate_bridge.ts

@@ -18,8 +18,8 @@
 
 import { JsonRpcProvider } from '@ethersproject/providers'
 import { Wallet } from '@ethersproject/wallet'
+import { loadEnv } from '../src/lib/utils/env'
 
-import dotenv from 'dotenv'
 import args from './getCLargs'
 import { EthBridger, InboxTools, Erc20Bridger } from '../src'
 import {
@@ -29,7 +29,7 @@ import {
 import { Signer } from 'ethers'
 import { AdminErc20Bridger } from '../src/lib/assetBridger/erc20Bridger'
 
-dotenv.config()
+loadEnv()
 
 const arbKey = process.env['ARB_KEY'] as string
 const ethKey = process.env['ETH_KEY'] as string

scripts/testSetup.ts → packages/sdk/scripts/testSetup.ts

@@ -19,7 +19,7 @@
 import { JsonRpcProvider } from '@ethersproject/providers'
 import { Wallet } from '@ethersproject/wallet'
 import { Provider } from '@ethersproject/abstract-provider'
-import dotenv from 'dotenv'
+import { loadEnv } from '../src/lib/utils/env'
 
 import { EthBridger, InboxTools, Erc20Bridger } from '../src'
 import {
@@ -41,7 +41,7 @@ import {
 } from '../tests/integration/custom-fee-token/customFeeTokenTestHelpers'
 import { fundParentSigner } from '../tests/integration/testHelpers'
 
-dotenv.config()
+loadEnv()
 
 const isTestingOrbitChains = process.env.ORBIT_TEST === '1'
 

packages/sdk/src/lib/utils/env.ts

@@ -0,0 +1,6 @@
+import * as dotenv from 'dotenv'
+import * as path from 'path'
+
+export const loadEnv = () => {
+  dotenv.config({ path: path.resolve(__dirname, '../../../../../.env') })
+}

tests/integration/custom-fee-token/customFeeTokenEthBridger.test.ts → packages/sdk/tests/integration/custom-fee-token/customFeeTokenEthBridger.test.ts

@@ -18,7 +18,7 @@
 
 import { expect } from 'chai'
 import { ethers, constants, Wallet } from 'ethers'
-import dotenv from 'dotenv'
+import { loadEnv } from '../../../src/lib/utils/env'
 
 import { parseEther, parseUnits } from '@ethersproject/units'
 
@@ -34,7 +34,7 @@ import { ChildToParentMessageStatus } from '../../../src'
 import { ChildToParentMessage } from '../../../src/lib/message/ChildToParentMessage'
 import { getNativeTokenDecimals } from '../../../src/lib/utils/lib'
 
-dotenv.config()
+loadEnv()
 
 describeOnlyWhenCustomGasToken(
   'EthBridger (with custom fee token)',

tests/integration/eth.test.ts → packages/sdk/tests/integration/eth.test.ts

@@ -17,8 +17,7 @@
 'use strict'
 
 import { expect } from 'chai'
-import dotenv from 'dotenv'
-
+import { loadEnv } from '../../src/lib/utils/env'
 import { Wallet } from '@ethersproject/wallet'
 import { parseEther } from '@ethersproject/units'
 import { constants } from 'ethers'
@@ -44,7 +43,7 @@ import {
 } from '../../src/lib/utils/lib'
 import { parseUnits } from 'ethers/lib/utils'
 
-dotenv.config()
+loadEnv()
 
 describe('Ether', async () => {
   beforeEach('skipIfMainnet', async function () {

tests/integration/getArbitrumNetworkInformationFromRollup.test.ts → packages/sdk/tests/integration/getArbitrumNetworkInformationFromRollup.test.ts

@@ -1,14 +1,14 @@
-import dotenv from 'dotenv'
 import { JsonRpcProvider } from '@ethersproject/providers'
 import { constants } from 'ethers'
 import { expect } from 'chai'
+import { loadEnv } from '../../src/lib/utils/env'
 
 import {
   getArbitrumNetwork,
   getArbitrumNetworkInformationFromRollup,
 } from '../../src/lib/dataEntities/networks'
 
-dotenv.config()
+loadEnv()
 
 describe('getArbitrumNetworkInformationFromRollup', () => {
   it('fetches information about arbitrum one', async () => {

packages/sdk/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "./src",
+    "outDir": "./dist"
+  },
+  "include": ["src/**/*.ts", "src/**/*.d.ts"],
+  "exclude": ["node_modules", "dist", "tests", "scripts"]
+}

tsconfig.json

@@ -3,8 +3,6 @@
     "target": "ES2017",
     "module": "commonjs",
     "declaration": true,
-    "rootDir": "./src",
-    "outDir": "./dist",
     "strict": true,
     "allowJs": true,
     "noImplicitAny": true,
@@ -14,7 +12,9 @@
     "noImplicitThis": true,
     "resolveJsonModule": true,
     "esModuleInterop": true,
-    "experimentalDecorators": true
-  },
-  "include": ["src/**/*.ts", "src/**/*.d.ts", "src/**/*.js"]
+    "experimentalDecorators": true,
+    "paths": {
+      "@ethersproject/*": ["./node_modules/@ethersproject/*"]
+    }
+  }
 }