Merge pull request #1494 from 0xProject/feature/order-watcher/dockerize

Dockerize OrderWatcher WS Server

5 files changed, 86 insertions, 16 deletions

diff --git a/packages/json-schemas/src/schema_validator.ts b/packages/json-schemas/src/schema_validator.ts
index 3f303137b..43647b594 100644
--- a/packages/json-schemas/src/schema_validator.ts
+++ b/packages/json-schemas/src/schema_validator.ts
@@ -8,12 +8,18 @@ import { schemas } from './schemas';
  */
 export class SchemaValidator {
     private readonly _validator: Validator;
+    private static _assertSchemaDefined(schema: Schema): void {
+        if (schema === undefined) {
+            throw new Error(`Cannot add undefined schema`);
+        }
+    }
     /**
      * Instantiates a SchemaValidator instance
      */
     constructor() {
         this._validator = new Validator();
         for (const schema of values(schemas)) {
+            SchemaValidator._assertSchemaDefined(schema);
             this._validator.addSchema(schema, schema.id);
         }
     }
@@ -24,6 +30,7 @@ export class SchemaValidator {
      * @param schema The schema to add
      */
     public addSchema(schema: Schema): void {
+        SchemaValidator._assertSchemaDefined(schema);
         this._validator.addSchema(schema, schema.id);
     }
     // In order to validate a complex JS object using jsonschema, we must replace any complex
@@ -37,6 +44,7 @@ export class SchemaValidator {
      * @returns The results of the validation
      */
     public validate(instance: any, schema: Schema): ValidatorResult {
+        SchemaValidator._assertSchemaDefined(schema);
         const jsonSchemaCompatibleObject = JSON.parse(JSON.stringify(instance));
         return this._validator.validate(jsonSchemaCompatibleObject, schema);
     }
diff --git a/packages/order-watcher/Dockerfile b/packages/order-watcher/Dockerfile
new file mode 100644
index 000000000..3ffa1b72f
--- /dev/null
+++ b/packages/order-watcher/Dockerfile
@@ -0,0 +1,13 @@
+FROM node
+
+WORKDIR /order-watcher
+
+COPY package.json .
+RUN npm i
+RUN npm install forever -g
+
+COPY . .
+
+EXPOSE 8080
+
+CMD ["forever", "./lib/src/server.js"]
diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json
index 16a46294e..c4a56c982 100644
--- a/packages/order-watcher/package.json
+++ b/packages/order-watcher/package.json
@@ -36,6 +36,7 @@
         "@0x/dev-utils": "^1.0.21",
         "@0x/migrations": "^2.2.2",
         "@0x/tslint-config": "^2.0.0",
+        "@0x/subproviders": "^2.1.8",
         "@types/bintrees": "^1.0.2",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
diff --git a/packages/order-watcher/src/server.ts b/packages/order-watcher/src/server.ts
new file mode 100644
index 000000000..1d31e87ab
--- /dev/null
+++ b/packages/order-watcher/src/server.ts
@@ -0,0 +1,44 @@
+import { getContractAddressesForNetworkOrThrow } from '@0x/contract-addresses';
+import { RPCSubprovider, Web3ProviderEngine } from '@0x/subproviders';
+import * as _ from 'lodash';
+
+import { OrderWatcherWebSocketServer } from './order_watcher/order_watcher_web_socket_server';
+
+const GANACHE_NETWORK_ID = 50;
+const DEFAULT_RPC_URL = 'http://localhost:8545';
+
+const provider = new Web3ProviderEngine();
+const jsonRpcUrl = process.env.JSON_RPC_URL || DEFAULT_RPC_URL;
+const rpcSubprovider = new RPCSubprovider(jsonRpcUrl);
+provider.addProvider(rpcSubprovider);
+provider.start();
+
+const networkId = process.env.NETWORK_ID !== undefined ? _.parseInt(process.env.NETWORK_ID) : GANACHE_NETWORK_ID;
+
+const contractAddressesString = process.env.contractAddresses;
+const contractAddressesIfExists =
+    contractAddressesString === undefined
+        ? getContractAddressesForNetworkOrThrow(networkId)
+        : JSON.parse(contractAddressesString);
+
+const orderWatcherConfig: any = {
+    isVerbose: process.env.IS_VERBOSE === 'true',
+};
+const orderExpirationCheckingIntervalMs = process.env.ORDER_EXPIRATION_CHECKING_INTERVAL_MS;
+if (orderExpirationCheckingIntervalMs !== undefined) {
+    orderWatcherConfig.orderExpirationCheckingIntervalMs = _.parseInt(orderExpirationCheckingIntervalMs);
+}
+const eventPollingIntervalMs = process.env.EVENT_POLLING_INTERVAL_MS;
+if (eventPollingIntervalMs !== undefined) {
+    orderWatcherConfig.eventPollingIntervalMs = _.parseInt(eventPollingIntervalMs);
+}
+const expirationMarginMs = process.env.EXPIRATION_MARGIN_MS;
+if (expirationMarginMs !== undefined) {
+    orderWatcherConfig.expirationMarginMs = _.parseInt(expirationMarginMs);
+}
+const cleanupJobIntervalMs = process.env.CLEANUP_JOB_INTERVAL_MS;
+if (cleanupJobIntervalMs !== undefined) {
+    orderWatcherConfig.cleanupJobIntervalMs = _.parseInt(cleanupJobIntervalMs);
+}
+const wsServer = new OrderWatcherWebSocketServer(provider, networkId, contractAddressesIfExists, orderWatcherConfig);
+wsServer.start();
diff --git a/packages/order-watcher/test/order_watcher_web_socket_server_test.ts b/packages/order-watcher/test/order_watcher_web_socket_server_test.ts
index 6894f42fb..36135f65c 100644
--- a/packages/order-watcher/test/order_watcher_web_socket_server_test.ts
+++ b/packages/order-watcher/test/order_watcher_web_socket_server_test.ts
@@ -1,9 +1,10 @@
+import { ContractAddresses } from '@0x/contract-addresses';
 import { ContractWrappers } from '@0x/contract-wrappers';
 import { tokenUtils } from '@0x/contract-wrappers/lib/test/utils/token_utils';
 import { BlockchainLifecycle } from '@0x/dev-utils';
 import { FillScenarios } from '@0x/fill-scenarios';
 import { assetDataUtils, orderHashUtils } from '@0x/order-utils';
-import { ExchangeContractErrs, OrderStateInvalid, OrderStateValid, SignedOrder } from '@0x/types';
+import { ExchangeContractErrs, OrderStateInvalid, SignedOrder } from '@0x/types';
 import { BigNumber, logUtils } from '@0x/utils';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as chai from 'chai';
@@ -44,14 +45,16 @@ describe('OrderWatcherWebSocketServer', async () => {
     let orderHash: string;
     let addOrderPayload: AddOrderRequest;
     let removeOrderPayload: RemoveOrderRequest;
+    let networkId: number;
+    let contractAddresses: ContractAddresses;
     const decimals = constants.ZRX_DECIMALS;
     const fillableAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(5), decimals);
 
     before(async () => {
         // Set up constants
-        const contractAddresses = await migrateOnceAsync();
+        contractAddresses = await migrateOnceAsync();
         await blockchainLifecycle.startAsync();
-        const networkId = constants.TESTRPC_NETWORK_ID;
+        networkId = constants.TESTRPC_NETWORK_ID;
         const config = {
             networkId,
             contractAddresses,
@@ -93,17 +96,16 @@ describe('OrderWatcherWebSocketServer', async () => {
             method: OrderWatcherMethod.RemoveOrder,
             params: { orderHash },
         };
-
-        // Prepare OrderWatcher WebSocket server
-        const orderWatcherConfig = {
-            isVerbose: true,
-        };
-        wsServer = new OrderWatcherWebSocketServer(provider, networkId, contractAddresses, orderWatcherConfig);
     });
     after(async () => {
         await blockchainLifecycle.revertAsync();
     });
     beforeEach(async () => {
+        // Prepare OrderWatcher WebSocket server
+        const orderWatcherConfig = {
+            isVerbose: true,
+        };
+        wsServer = new OrderWatcherWebSocketServer(provider, networkId, contractAddresses, orderWatcherConfig);
         wsServer.start();
         await blockchainLifecycle.startAsync();
         wsClient = new WebSocket.w3cwebsocket('ws://127.0.0.1:8080/');
@@ -260,7 +262,9 @@ describe('OrderWatcherWebSocketServer', async () => {
             id: 1,
             jsonrpc: '2.0',
             method: 'ADD_ORDER',
-            signedOrder: nonZeroMakerFeeSignedOrder,
+            params: {
+                signedOrder: nonZeroMakerFeeSignedOrder,
+            },
         };
 
         // Set up a second client and have it add the order
@@ -278,15 +282,15 @@ describe('OrderWatcherWebSocketServer', async () => {
         // Check that both clients receive the emitted event by awaiting the onMessageAsync promises
         let updateMsg = await clientOneOnMessagePromise;
         let updateData = JSON.parse(updateMsg.data);
-        let orderState = updateData.result as OrderStateValid;
-        expect(orderState.isValid).to.be.true();
-        expect(orderState.orderRelevantState.makerFeeProxyAllowance).to.be.eq('0');
+        let orderState = updateData.result as OrderStateInvalid;
+        expect(orderState.isValid).to.be.false();
+        expect(orderState.error).to.be.eq('INSUFFICIENT_MAKER_FEE_ALLOWANCE');
 
         updateMsg = await clientTwoOnMessagePromise;
         updateData = JSON.parse(updateMsg.data);
-        orderState = updateData.result as OrderStateValid;
-        expect(orderState.isValid).to.be.true();
-        expect(orderState.orderRelevantState.makerFeeProxyAllowance).to.be.eq('0');
+        orderState = updateData.result as OrderStateInvalid;
+        expect(orderState.isValid).to.be.false();
+        expect(orderState.error).to.be.eq('INSUFFICIENT_MAKER_FEE_ALLOWANCE');
 
         wsClientTwo.close();
         logUtils.log(`${new Date()} [Client] Closed.`);