Add truffle compile to build in CI

.circleci/config.yml

@@ -65,6 +65,7 @@ jobs:
                   command: yarn --frozen-lockfile --ignore-engines install || yarn --frozen-lockfile --ignore-engines install
             - setup_remote_docker
             - run: yarn build:contracts
+            - run: yarn contracts:compile:truffle
             - run: PKG='@0x/monorepo-scripts' yarn build
             - save_cache:
                   key: repo-{{ .Environment.CIRCLE_SHA1 }}

contracts/exchange-libs/package.json

@@ -53,7 +53,7 @@
         "@0x/contracts-test-utils": "^3.1.13",
         "@0x/dev-utils": "^2.3.0",
         "@0x/sol-compiler": "^3.1.12",
-        "@0x/subproviders": "^4.1.1",
+        "@0x/subproviders": "^5.0.1",
         "@0x/tslint-config": "^3.0.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
@@ -76,7 +76,6 @@
         "@0x/base-contract": "^5.3.1",
         "@0x/contracts-utils": "^3.2.1",
         "@0x/order-utils": "^8.2.5",
-        "@0x/subproviders": "5.0.1",
         "@0x/types": "^2.4.1",
         "@0x/typescript-typings": "^4.2.4",
         "@0x/utils": "^4.5.0",