perf: improve contracts build time (#24)

* perf: improve contracts build time

* chore: clean tsconfig.buildinfo

* ci: try running CI

.github/workflows/ts-packages.yml

-name: optimism - lint, test
+name: typescript / contracts
 
 on:
   push:
     branches:
       - master
     paths:
-        - 'packages/**'
+        - 'packages/**/*.sol'
+        - 'packages/**/*.ts'
   pull_request:
     branches:
       - master
     paths:
-        - 'packages/**'
+        - 'packages/**/*.sol'
+        - 'packages/**/*.ts'
 
 jobs:
   build-test-lint:

packages/contracts/package.json

@@ -9,7 +9,7 @@
   "license": "MIT",
   "scripts": {
     "all": "yarn clean && yarn build && yarn test && yarn lint:fix && yarn lint",
-    "build": "yarn run build:contracts && yarn run build:contracts:ovm && yarn run build:typescript && yarn run build:copy && yarn run build:dump && yarn run build:typechain",
+    "build": "./scripts/build.sh",
     "build:kovan": "yarn run build:contracts && yarn run build:typescript && yarn run build:copy && CHAIN_ID=69 yarn run build:dump && yarn run build:typechain",
     "build:mainnet": "yarn run build:contracts && yarn run build:typescript && yarn run build:copy && CHAIN_ID=10 yarn run build:dump && yarn run build:typechain",
     "build:typescript": "tsc -p ./tsconfig.build.json",
@@ -28,7 +28,7 @@
     "lint:typescript": "tslint --format stylish --project .",
     "lint:fix": "yarn run lint:fix:typescript",
     "lint:fix:typescript": "prettier --config prettier-config.json --write \"hardhat.config.ts\" \"{src,test}/**/*.ts\"",
-    "clean": "rm -rf ./dist ./artifacts ./artifacts-ovm ./cache ./cache-ovm",
+    "clean": "rm -rf ./dist ./artifacts ./artifacts-ovm ./cache ./cache-ovm ./tsconfig.build.tsbuildinfo",
     "deploy": "./bin/deploy.js",
     "serve": "./bin/serve_dump.sh"
   },

packages/contracts/scripts/build.sh

+yarn run build:typescript &
+yarn run build:contracts:ovm &
+yarn run build:contracts &
+
+wait
+
+yarn run build:copy:artifacts &
+yarn run build:copy:artifacts:ovm &
+yarn run build:copy:contracts &
+wait