Enable CIRCLECI and declare web3

packages/testnet-faucets/Dockerfile

@@ -3,6 +3,7 @@ FROM node
 WORKDIR /src
 
 RUN apt-get -qq update && apt-get install -y libhidapi-dev libusb-1.0-0-dev
+ENV CIRCLECI=true
 COPY package.json .
 RUN npm i
 RUN npm install forever -g

packages/testnet-faucets/package.json

@@ -16,6 +16,7 @@
     "dependencies": {
         "0x.js": "^0.31.1",
         "@0xproject/utils": "^0.2.4",
+        "@0xproject/subproviders": "^0.3.5",
         "body-parser": "^1.17.1",
         "ethereumjs-tx": "^1.3.3",
         "express": "^4.15.2",

packages/testnet-faucets/src/ts/global.d.ts

@@ -24,3 +24,15 @@ declare module 'ethereumjs-tx' {
     }
     export = EthereumTx;
 }
+
+declare module 'web3-provider-engine' {
+    class Web3ProviderEngine {
+        public on(event: string, handler: () => void): void;
+        public send(payload: any): void;
+        public sendAsync(payload: any, callback: (error: any, response: any) => void): void;
+        public addProvider(provider: any): void;
+        public start(): void;
+        public stop(): void;
+    }
+    export = Web3ProviderEngine;
+}