From d5f5e7966180022c5fa5b1ce14ea8c7d0ab78346 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Tue, 12 Feb 2019 10:41:47 -0800
Subject: [PATCH 01/27] Add radar data source

---
 .../pipeline/src/data_sources/radar/index.ts  | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 packages/pipeline/src/data_sources/radar/index.ts

diff --git a/packages/pipeline/src/data_sources/radar/index.ts b/packages/pipeline/src/data_sources/radar/index.ts
new file mode 100644
index 0000000000..7f7abb3334
--- /dev/null
+++ b/packages/pipeline/src/data_sources/radar/index.ts
@@ -0,0 +1,34 @@
+import { fetchAsync, logUtils } from '@0x/utils';
+import { RadarBook, RadarMarket } from '@radarrelay/types';
+
+const RADAR_BASE_URL = 'https://api.radarrelay.com/v2/';
+const ACTIVE_MARKETS_URL = `${RADAR_BASE_URL}/markets`;
+const MAX_PER_PAGE = 1000;
+
+export const RADAR_SOURCE = 'radar';
+
+// tslint:disable:prefer-function-over-method
+// ^ Keep consistency with other sources and help logical organization
+export class RadarSource {
+    /**
+     * Call Radar API to find out which markets they are maintaining orderbooks for.
+     */
+    public async getActiveMarketsAsync(): Promise<RadarMarket[]> {
+        logUtils.log('Getting all active Radar markets');
+        const resp = await fetchAsync(`${ACTIVE_MARKETS_URL}?perPage=${MAX_PER_PAGE}`);
+        const markets: RadarMarket[] = await resp.json();
+        logUtils.log(`Got ${markets.length} markets.`);
+        return markets;
+    }
+
+    /**
+     * Retrieve orderbook from Radar API for a given market.
+     * @param marketId String identifying the market we want data for. Eg. 'REP/AUG'
+     */
+    public async getMarketOrderbookAsync(marketId: string): Promise<RadarBook> {
+        logUtils.log(`${marketId}: Retrieving orderbook.`);
+        const marketOrderbookUrl = `${ACTIVE_MARKETS_URL}/${marketId}/book`;
+        const resp = await fetchAsync(marketOrderbookUrl);
+        return resp.json();
+    }
+}

From f3a537d5c24759f2ae772f7bd838adb47967556e Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Tue, 12 Feb 2019 14:35:50 -0800
Subject: [PATCH 02/27] Add radar parser

---
 .../src/parsers/radar_orders/index.ts         | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 packages/pipeline/src/parsers/radar_orders/index.ts

diff --git a/packages/pipeline/src/parsers/radar_orders/index.ts b/packages/pipeline/src/parsers/radar_orders/index.ts
new file mode 100644
index 0000000000..b4f7e47688
--- /dev/null
+++ b/packages/pipeline/src/parsers/radar_orders/index.ts
@@ -0,0 +1,89 @@
+import { BigNumber } from '@0x/utils';
+import { Web3Wrapper } from '@0x/web3-wrapper';
+import { RadarBook, RadarMarket, RadarOrderType, RadarSignedOrder } from '@radarrelay/types';
+import * as R from 'ramda';
+
+import { aggregateOrders, GenericRawOrder } from '../utils';
+
+import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
+import { OrderType } from '../../types';
+
+/**
+ * Marque function of this file.
+ * 1) Takes in orders from an orderbook,
+ * other information attached.
+ * @param radarOrderbook A raw orderbook that we pull from the radar API.
+ * @param radarMarket An object containing market data also directly from the API.
+ * @param observedTimestamp Time at which the orders for the market were pulled.
+ * @param source The exchange where these orders are placed. In this case 'radar'.
+ */
+export function parseRadarOrders(
+    radarOrderbook: RadarBook,
+    radarMarket: RadarMarket,
+    observedTimestamp: number,
+    source: string,
+): TokenOrder[] {
+    const transformToGeneric = (radarOrder: RadarSignedOrder) => _toGeneric(radarMarket, radarOrder);
+    const aggregatedBids = aggregateOrders(_removeUndefined(R.map(transformToGeneric, radarOrderbook.bids)));
+    const aggregatedAsks = aggregateOrders(_removeUndefined(R.map(transformToGeneric, radarOrderbook.asks)));
+    const parsedBids = aggregatedBids.map(order =>
+        parseRadarOrder(radarMarket, observedTimestamp, OrderType.Bid, source, order),
+    );
+    const parsedAsks = aggregatedAsks.map(order =>
+        parseRadarOrder(radarMarket, observedTimestamp, OrderType.Ask, source, order),
+    );
+    return parsedBids.concat(parsedAsks);
+}
+
+/**
+ * Parse a single aggregated radar order in order to form a tokenOrder entity
+ * which can be saved into the database.
+ * @param radarMarket An object containing information about the market where these
+ * trades have been placed.
+ * @param observedTimestamp The time when the API response returned back to us.
+ * @param orderType 'bid' or 'ask' enum.
+ * @param source Exchange where these orders were placed.
+ * @param radarOrder A <price, amount> tuple which we will convert to volume-basis.
+ */
+export function parseRadarOrder(
+    radarMarket: RadarMarket,
+    observedTimestamp: number,
+    orderType: OrderType,
+    source: string,
+    radarOrder: [string, BigNumber],
+): TokenOrder {
+    const tokenOrder = new TokenOrder();
+    const price = new BigNumber(radarOrder[0]);
+    const amount = radarOrder[1];
+    const splitId = radarMarket.id.split('-');
+
+    tokenOrder.source = source;
+    tokenOrder.observedTimestamp = observedTimestamp;
+    tokenOrder.orderType = orderType;
+    tokenOrder.price = price;
+
+    tokenOrder.baseAssetSymbol = splitId[0];
+    tokenOrder.baseAssetAddress = radarMarket.baseTokenAddress || null;
+    tokenOrder.baseVolume = amount;
+
+    tokenOrder.quoteAssetSymbol = splitId[1];
+    tokenOrder.quoteAssetAddress = radarMarket.quoteTokenAddress || null;
+    tokenOrder.quoteVolume = price.times(amount);
+    return tokenOrder;
+}
+
+function _toGeneric(radarMarket: RadarMarket, radarOrder: RadarSignedOrder): GenericRawOrder | undefined {
+    if (radarMarket.baseTokenDecimals === undefined) {
+        return undefined;
+    }
+    const rawAmount =
+        radarOrder.type === RadarOrderType.ASK
+            ? radarOrder.signedOrder.makerAssetAmount
+            : radarOrder.signedOrder.takerAssetAmount;
+    return {
+        price: radarOrder.price.toString(),
+        amount: Web3Wrapper.toUnitAmount(new BigNumber(rawAmount.toString()), radarMarket.baseTokenDecimals).toString(),
+    };
+}
+
+const _removeUndefined = R.reject(R.isNil);

From 4db9b8b0e34e6eec7ec445ebd93bbf8fff3a3bbd Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Tue, 12 Feb 2019 14:49:32 -0800
Subject: [PATCH 03/27] Add script for pulling radar orderbook

---
 packages/pipeline/package.json                |  1 +
 .../pipeline/src/data_sources/radar/index.ts  |  2 +-
 .../scripts/pull_radar_orderbook_snapshots.ts | 56 ++++++++++++++++++
 yarn.lock                                     | 57 +++++++++++++++----
 4 files changed, 105 insertions(+), 11 deletions(-)
 create mode 100644 packages/pipeline/src/scripts/pull_radar_orderbook_snapshots.ts

diff --git a/packages/pipeline/package.json b/packages/pipeline/package.json
index b2ad39a5f2..ecb53e5da3 100644
--- a/packages/pipeline/package.json
+++ b/packages/pipeline/package.json
@@ -49,6 +49,7 @@
         "@0x/types": "^2.0.2",
         "@0x/utils": "^4.0.3",
         "@0x/web3-wrapper": "^4.0.2",
+        "@radarrelay/types": "^1.2.1",
         "@types/dockerode": "^2.5.9",
         "@types/p-limit": "^2.0.0",
         "async-parallel": "^1.2.3",
diff --git a/packages/pipeline/src/data_sources/radar/index.ts b/packages/pipeline/src/data_sources/radar/index.ts
index 7f7abb3334..bbc55eef99 100644
--- a/packages/pipeline/src/data_sources/radar/index.ts
+++ b/packages/pipeline/src/data_sources/radar/index.ts
@@ -27,7 +27,7 @@ export class RadarSource {
      */
     public async getMarketOrderbookAsync(marketId: string): Promise<RadarBook> {
         logUtils.log(`${marketId}: Retrieving orderbook.`);
-        const marketOrderbookUrl = `${ACTIVE_MARKETS_URL}/${marketId}/book`;
+        const marketOrderbookUrl = `${ACTIVE_MARKETS_URL}/${marketId}/book?perPage=${MAX_PER_PAGE}`;
         const resp = await fetchAsync(marketOrderbookUrl);
         return resp.json();
     }
diff --git a/packages/pipeline/src/scripts/pull_radar_orderbook_snapshots.ts b/packages/pipeline/src/scripts/pull_radar_orderbook_snapshots.ts
new file mode 100644
index 0000000000..91d33d2cc9
--- /dev/null
+++ b/packages/pipeline/src/scripts/pull_radar_orderbook_snapshots.ts
@@ -0,0 +1,56 @@
+import { logUtils } from '@0x/utils';
+import { RadarMarket } from '@radarrelay/types';
+import * as R from 'ramda';
+import { Connection, ConnectionOptions, createConnection } from 'typeorm';
+
+import { RADAR_SOURCE, RadarSource } from '../data_sources/radar';
+import { TokenOrderbookSnapshot as TokenOrder } from '../entities';
+import * as ormConfig from '../ormconfig';
+import { parseRadarOrders } from '../parsers/radar_orders';
+import { handleError } from '../utils';
+
+// Number of orders to save at once.
+const BATCH_SAVE_SIZE = 1000;
+
+// Number of markets to retrieve orderbooks for at once.
+const MARKET_ORDERBOOK_REQUEST_BATCH_SIZE = 50;
+
+// Delay between market orderbook requests.
+const MILLISEC_MARKET_ORDERBOOK_REQUEST_DELAY = 5000;
+
+let connection: Connection;
+
+(async () => {
+    connection = await createConnection(ormConfig as ConnectionOptions);
+    const radarSource = new RadarSource();
+    const markets = await radarSource.getActiveMarketsAsync();
+    for (const marketsChunk of R.splitEvery(MARKET_ORDERBOOK_REQUEST_BATCH_SIZE, markets)) {
+        await Promise.all(
+            marketsChunk.map(async (market: RadarMarket) => getAndSaveMarketOrderbookAsync(radarSource, market)),
+        );
+        await new Promise<void>(resolve => setTimeout(resolve, MILLISEC_MARKET_ORDERBOOK_REQUEST_DELAY));
+    }
+    process.exit(0);
+})().catch(handleError);
+
+/**
+ * Retrieve orderbook from radar API for a given market. Parse orders and insert
+ * them into our database.
+ * @param radarSource Data source which can query radar API.
+ * @param market Object from radar API containing market data.
+ */
+async function getAndSaveMarketOrderbookAsync(radarSource: RadarSource, market: RadarMarket): Promise<void> {
+    const orderBook = await radarSource.getMarketOrderbookAsync(market.id);
+    const observedTimestamp = Date.now();
+
+    logUtils.log(`${market.id}: Parsing orders.`);
+    const orders = parseRadarOrders(orderBook, market, observedTimestamp, RADAR_SOURCE);
+
+    if (orders.length > 0) {
+        logUtils.log(`${market.id}: Saving ${orders.length} orders.`);
+        const TokenOrderRepository = connection.getRepository(TokenOrder);
+        await TokenOrderRepository.save(orders, { chunk: Math.ceil(orders.length / BATCH_SAVE_SIZE) });
+    } else {
+        logUtils.log(`${market.id}: 0 orders to save.`);
+    }
+}
diff --git a/yarn.lock b/yarn.lock
index fae178e3e4..444b5eeed7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -593,6 +593,14 @@
   dependencies:
     npm-registry-client "7.0.9"
 
+"@0xproject/types@^1.0.1-rc.3":
+  version "1.1.4"
+  resolved "https://registry.npmjs.org/@0xproject/types/-/types-1.1.4.tgz#3ffd65e670d6a21dab19ee0ffd5fad0056291b8e"
+  dependencies:
+    "@types/node" "*"
+    bignumber.js "~4.1.0"
+    ethereum-types "^1.0.11"
+
 "@babel/code-frame@^7.0.0", "@babel/code-frame@^7.0.0-beta.35":
   version "7.0.0"
   resolved "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz#06e2ab19bdb535385559aabb5ba59729482800f8"
@@ -1267,6 +1275,13 @@
     call-me-maybe "^1.0.1"
     glob-to-regexp "^0.3.0"
 
+"@radarrelay/types@^1.2.1":
+  version "1.2.1"
+  resolved "https://registry.npmjs.org/@radarrelay/types/-/types-1.2.1.tgz#d16edb43d0735a31c887b9e79ff6e53924ac8cc5"
+  dependencies:
+    "@0xproject/types" "^1.0.1-rc.3"
+    bignumber.js "^5.0.0"
+
 "@reach/component-component@^0.1.1":
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/@reach/component-component/-/component-component-0.1.1.tgz#62ea2ec290da32f5e3a9872fb51f9a3ae4370cc4"
@@ -3432,6 +3447,10 @@ bignumber.js@7.2.1:
   version "7.2.1"
   resolved "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
 
+bignumber.js@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.npmjs.org/bignumber.js/-/bignumber.js-5.0.0.tgz#fbce63f09776b3000a83185badcde525daf34833"
+
 "bignumber.js@git+https://github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2":
   version "2.0.7"
   resolved "git+https://github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2"
@@ -6404,6 +6423,13 @@ ethereum-common@^0.0.18:
   version "0.0.18"
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
 
+ethereum-types@^1.0.11:
+  version "1.1.6"
+  resolved "https://registry.npmjs.org/ethereum-types/-/ethereum-types-1.1.6.tgz#14437dbf401de361e70dac6358e5f2915ad3c35d"
+  dependencies:
+    "@types/node" "*"
+    bignumber.js "~4.1.0"
+
 ethereumjs-abi@0.6.5:
   version "0.6.5"
   resolved "https://registry.yarnpkg.com/ethereumjs-abi/-/ethereumjs-abi-0.6.5.tgz#5a637ef16ab43473fa72a29ad90871405b3f5241"
@@ -7910,9 +7936,19 @@ got@^6.7.1:
     unzip-response "^2.0.1"
     url-parse-lax "^1.0.0"
 
-graceful-fs@4.1.15, graceful-fs@^3.0.0, graceful-fs@^4.0.0, graceful-fs@^4.1.10, graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9, graceful-fs@~1.2.0:
+graceful-fs@^3.0.0:
+  version "3.0.11"
+  resolved "https://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz#7613c778a1afea62f25c630a086d7f3acbbdd818"
+  dependencies:
+    natives "^1.1.0"
+
+graceful-fs@^4.0.0, graceful-fs@^4.1.10, graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.15"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
+  resolved "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
+
+graceful-fs@~1.2.0:
+  version "1.2.3"
+  resolved "https://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz#15a4806a57547cb2d2dbf27f42e89a8c3451b364"
 
 "graceful-readlink@>= 1.0.0":
   version "1.0.1"
@@ -11343,6 +11379,10 @@ nanomatch@^1.2.9:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+natives@^1.1.0:
+  version "1.1.6"
+  resolved "https://registry.npmjs.org/natives/-/natives-1.1.6.tgz#a603b4a498ab77173612b9ea1acdec4d980f00bb"
+
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -13463,8 +13503,7 @@ react-dom@^16.3.2:
 
 react-dom@^16.4.2:
   version "16.8.1"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.1.tgz#ec860f98853d09d39bafd3a6f1e12389d283dbb4"
-  integrity sha512-N74IZUrPt6UiDjXaO7UbDDFXeUXnVhZzeRLy/6iqqN1ipfjrhR60Bp5NuBK+rv3GMdqdIuwIl22u1SYwf330bg==
+  resolved "https://registry.npmjs.org/react-dom/-/react-dom-16.8.1.tgz#ec860f98853d09d39bafd3a6f1e12389d283dbb4"
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
@@ -13528,8 +13567,8 @@ react-highlight@0xproject/react-highlight#react-peer-deps:
   dependencies:
     highlight.js "^9.11.0"
     highlightjs-solidity "^1.0.5"
-    react "^16.5.2"
-    react-dom "^16.5.2"
+    react "^16.4.2"
+    react-dom "^16.4.2"
 
 react-hot-loader@^4.3.3:
   version "4.3.4"
@@ -13776,8 +13815,7 @@ react@^16.3.2:
 
 react@^16.4.2:
   version "16.8.1"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.8.1.tgz#ae11831f6cb2a05d58603a976afc8a558e852c4a"
-  integrity sha512-wLw5CFGPdo7p/AgteFz7GblI2JPOos0+biSoxf1FPsGxWQZdN/pj6oToJs1crn61DL3Ln7mN86uZ4j74p31ELQ==
+  resolved "https://registry.npmjs.org/react/-/react-16.8.1.tgz#ae11831f6cb2a05d58603a976afc8a558e852c4a"
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
@@ -14657,8 +14695,7 @@ schedule@^0.5.0:
 
 scheduler@^0.13.1:
   version "0.13.1"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.13.1.tgz#1a217df1bfaabaf4f1b92a9127d5d732d85a9591"
-  integrity sha512-VJKOkiKIN2/6NOoexuypwSrybx13MY7NSy9RNt8wPvZDMRT1CW6qlpF5jXRToXNHz3uWzbm2elNpZfXfGPqP9A==
+  resolved "https://registry.npmjs.org/scheduler/-/scheduler-0.13.1.tgz#1a217df1bfaabaf4f1b92a9127d5d732d85a9591"
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"

From d79c7f70be33334d45a3ad6664d773188c60646d Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Tue, 12 Feb 2019 14:58:05 -0800
Subject: [PATCH 04/27] fix linting error

---
 packages/pipeline/src/parsers/radar_orders/index.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/pipeline/src/parsers/radar_orders/index.ts b/packages/pipeline/src/parsers/radar_orders/index.ts
index b4f7e47688..eec67fe5e4 100644
--- a/packages/pipeline/src/parsers/radar_orders/index.ts
+++ b/packages/pipeline/src/parsers/radar_orders/index.ts
@@ -83,7 +83,9 @@ function _toGeneric(radarMarket: RadarMarket, radarOrder: RadarSignedOrder): Gen
     return {
         price: radarOrder.price.toString(),
         amount: Web3Wrapper.toUnitAmount(new BigNumber(rawAmount.toString()), radarMarket.baseTokenDecimals).toString(),
+        // TODO: Add remainingFillableAmount since its available
     };
 }
 
+// tslint:disable-next-line:no-unbound-method
 const _removeUndefined = R.reject(R.isNil);

From d1cc08f1d90cbeb7a2bb2861e4c2b012c36b6509 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 13 Feb 2019 11:03:40 -0800
Subject: [PATCH 05/27] Attempt to add maker_address token_orderbook_snapshots

---
 ...-TokenOrderBookSnapshotsAddMakerAddress.ts | 27 ++++++++++
 packages/pipeline/src/entities/token_order.ts |  2 +
 .../src/parsers/radar_orders/index.ts         | 50 ++++++++++++++++---
 .../test/entities/token_order_test.ts         |  1 +
 4 files changed, 72 insertions(+), 8 deletions(-)
 create mode 100644 packages/pipeline/migrations/1550017139695-TokenOrderBookSnapshotsAddMakerAddress.ts

diff --git a/packages/pipeline/migrations/1550017139695-TokenOrderBookSnapshotsAddMakerAddress.ts b/packages/pipeline/migrations/1550017139695-TokenOrderBookSnapshotsAddMakerAddress.ts
new file mode 100644
index 0000000000..fb13c91f28
--- /dev/null
+++ b/packages/pipeline/migrations/1550017139695-TokenOrderBookSnapshotsAddMakerAddress.ts
@@ -0,0 +1,27 @@
+import { MigrationInterface, QueryRunner, TableColumn } from 'typeorm';
+
+const TOKEN_ORDERBOOK_SNAPSHOT_TABLE = 'raw.token_orderbook_snapshots';
+const NEW_COLUMN_NAME = 'maker_address';
+
+export class TokenOrderBookSnapshotsAddMakerAddress1550017139695 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<any> {
+        const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
+        if (snapshotTable) {
+            await queryRunner.addColumn(
+                TOKEN_ORDERBOOK_SNAPSHOT_TABLE,
+                new TableColumn({
+                    name: NEW_COLUMN_NAME,
+                    type: 'varchar',
+                    isPrimary: true,
+                }),
+            );
+        }
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<any> {
+        const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
+        if (snapshotTable) {
+            await queryRunner.dropColumn(snapshotTable, NEW_COLUMN_NAME);
+        }
+    }
+}
diff --git a/packages/pipeline/src/entities/token_order.ts b/packages/pipeline/src/entities/token_order.ts
index 2709747cb3..25baca407d 100644
--- a/packages/pipeline/src/entities/token_order.ts
+++ b/packages/pipeline/src/entities/token_order.ts
@@ -15,6 +15,8 @@ export class TokenOrderbookSnapshot {
     public price!: BigNumber;
     @PrimaryColumn({ name: 'base_asset_symbol' })
     public baseAssetSymbol!: string;
+    @PrimaryColumn({ type: String, name: 'maker_address', default: 'unknown' })
+    public makerAddress!: string | null;
     @Column({ nullable: true, type: String, name: 'base_asset_address' })
     public baseAssetAddress!: string | null;
     @Column({ name: 'base_volume', type: 'numeric', transformer: bigNumberTransformer })
diff --git a/packages/pipeline/src/parsers/radar_orders/index.ts b/packages/pipeline/src/parsers/radar_orders/index.ts
index eec67fe5e4..47d704a737 100644
--- a/packages/pipeline/src/parsers/radar_orders/index.ts
+++ b/packages/pipeline/src/parsers/radar_orders/index.ts
@@ -1,3 +1,4 @@
+import { ObjectMap } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import { RadarBook, RadarMarket, RadarOrderType, RadarSignedOrder } from '@radarrelay/types';
@@ -8,6 +9,12 @@ import { aggregateOrders, GenericRawOrder } from '../utils';
 import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
+export interface AggregateOrdersByMaker {
+    makerAddress: string;
+    price: string;
+    amount: BigNumber;
+}
+
 /**
  * Marque function of this file.
  * 1) Takes in orders from an orderbook,
@@ -23,9 +30,8 @@ export function parseRadarOrders(
     observedTimestamp: number,
     source: string,
 ): TokenOrder[] {
-    const transformToGeneric = (radarOrder: RadarSignedOrder) => _toGeneric(radarMarket, radarOrder);
-    const aggregatedBids = aggregateOrders(_removeUndefined(R.map(transformToGeneric, radarOrderbook.bids)));
-    const aggregatedAsks = aggregateOrders(_removeUndefined(R.map(transformToGeneric, radarOrderbook.asks)));
+    const aggregatedBids = _aggregateOrdersByMaker(radarMarket, radarOrderbook.bids);
+    const aggregatedAsks = _aggregateOrdersByMaker(radarMarket, radarOrderbook.asks);
     const parsedBids = aggregatedBids.map(order =>
         parseRadarOrder(radarMarket, observedTimestamp, OrderType.Bid, source, order),
     );
@@ -43,18 +49,18 @@ export function parseRadarOrders(
  * @param observedTimestamp The time when the API response returned back to us.
  * @param orderType 'bid' or 'ask' enum.
  * @param source Exchange where these orders were placed.
- * @param radarOrder A <price, amount> tuple which we will convert to volume-basis.
+ * @param aggregateOrder An AggregateOrdersByMaker instance which we will convert to volume-basis.
  */
 export function parseRadarOrder(
     radarMarket: RadarMarket,
     observedTimestamp: number,
     orderType: OrderType,
     source: string,
-    radarOrder: [string, BigNumber],
+    aggregateOrder: AggregateOrdersByMaker,
 ): TokenOrder {
     const tokenOrder = new TokenOrder();
-    const price = new BigNumber(radarOrder[0]);
-    const amount = radarOrder[1];
+    const price = new BigNumber(aggregateOrder.price);
+    const amount = aggregateOrder.amount;
     const splitId = radarMarket.id.split('-');
 
     tokenOrder.source = source;
@@ -69,6 +75,8 @@ export function parseRadarOrder(
     tokenOrder.quoteAssetSymbol = splitId[1];
     tokenOrder.quoteAssetAddress = radarMarket.quoteTokenAddress || null;
     tokenOrder.quoteVolume = price.times(amount);
+
+    tokenOrder.makerAddress = aggregateOrder.makerAddress;
     return tokenOrder;
 }
 
@@ -83,9 +91,35 @@ function _toGeneric(radarMarket: RadarMarket, radarOrder: RadarSignedOrder): Gen
     return {
         price: radarOrder.price.toString(),
         amount: Web3Wrapper.toUnitAmount(new BigNumber(rawAmount.toString()), radarMarket.baseTokenDecimals).toString(),
-        // TODO: Add remainingFillableAmount since its available
     };
 }
 
+function _aggregateOrdersByMaker(radarMarket: RadarMarket, radarOrders: RadarSignedOrder[]): AggregateOrdersByMaker[] {
+    // group all orders by their maker
+    const ordersByMaker: ObjectMap<RadarSignedOrder[]> = radarOrders.reduce(
+        (acc: ObjectMap<RadarSignedOrder[]>, val: RadarSignedOrder) => {
+            const makerAddress = val.signedOrder.makerAddress;
+            if (acc[makerAddress]) {
+                acc[makerAddress].push(val);
+            } else {
+                acc[makerAddress] = [];
+            }
+            return acc;
+        },
+        {},
+    );
+    const transformToGeneric = (radarOrder: RadarSignedOrder) => _toGeneric(radarMarket, radarOrder);
+    const aggregationTuples: AggregateOrdersByMaker[][] = (R.keys(ordersByMaker) as string[]).map((maker: string) => {
+        const generalizedOrders = _removeUndefined(R.map(transformToGeneric, ordersByMaker[maker]));
+        const aggregatedOrders = aggregateOrders(generalizedOrders);
+        return aggregatedOrders.map((order: [string, BigNumber]) => ({
+            makerAddress: maker,
+            price: order[0],
+            amount: order[1],
+        }));
+    });
+    return R.unnest(aggregationTuples);
+}
+
 // tslint:disable-next-line:no-unbound-method
 const _removeUndefined = R.reject(R.isNil);
diff --git a/packages/pipeline/test/entities/token_order_test.ts b/packages/pipeline/test/entities/token_order_test.ts
index c6057f5aae..2101436575 100644
--- a/packages/pipeline/test/entities/token_order_test.ts
+++ b/packages/pipeline/test/entities/token_order_test.ts
@@ -20,6 +20,7 @@ const tokenOrderbookSnapshot: TokenOrderbookSnapshot = {
     quoteAssetSymbol: 'ABC',
     quoteAssetAddress: '0x00923b9a074762b93650716333b3e1473a15048e',
     quoteVolume: new BigNumber(12.3234234),
+    makerAddress: null,
 };
 
 describe('TokenOrderbookSnapshot entity', () => {

From 1cb7e70b420934f617810bad2523b25ffd2b50f9 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 13 Feb 2019 13:31:45 -0800
Subject: [PATCH 06/27] increment MAX_PER_PAGE to 10000

---
 .../pipeline/src/data_sources/radar/index.ts  |  2 +-
 yarn.lock                                     | 25 +++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/packages/pipeline/src/data_sources/radar/index.ts b/packages/pipeline/src/data_sources/radar/index.ts
index bbc55eef99..d6907a2d24 100644
--- a/packages/pipeline/src/data_sources/radar/index.ts
+++ b/packages/pipeline/src/data_sources/radar/index.ts
@@ -3,7 +3,7 @@ import { RadarBook, RadarMarket } from '@radarrelay/types';
 
 const RADAR_BASE_URL = 'https://api.radarrelay.com/v2/';
 const ACTIVE_MARKETS_URL = `${RADAR_BASE_URL}/markets`;
-const MAX_PER_PAGE = 1000;
+const MAX_PER_PAGE = 10000;
 
 export const RADAR_SOURCE = 'radar';
 
diff --git a/yarn.lock b/yarn.lock
index b33ea8a8cf..b596cab7a2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13500,6 +13500,15 @@ react-dom@^16.3.2:
     object-assign "^4.1.1"
     prop-types "^15.6.0"
 
+react-dom@^16.4.2:
+  version "16.8.1"
+  resolved "https://registry.npmjs.org/react-dom/-/react-dom-16.8.1.tgz#ec860f98853d09d39bafd3a6f1e12389d283dbb4"
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.2"
+    scheduler "^0.13.1"
+
 react-dom@^16.5.2:
   version "16.5.2"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.5.2.tgz#b69ee47aa20bab5327b2b9d7c1fe2a30f2cfa9d7"
@@ -13803,6 +13812,15 @@ react@^16.3.2:
     object-assign "^4.1.1"
     prop-types "^15.6.0"
 
+react@^16.4.2:
+  version "16.8.1"
+  resolved "https://registry.npmjs.org/react/-/react-16.8.1.tgz#ae11831f6cb2a05d58603a976afc8a558e852c4a"
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+    prop-types "^15.6.2"
+    scheduler "^0.13.1"
+
 react@^16.5.2:
   version "16.5.2"
   resolved "https://registry.yarnpkg.com/react/-/react-16.5.2.tgz#19f6b444ed139baa45609eee6dc3d318b3895d42"
@@ -14674,6 +14692,13 @@ schedule@^0.5.0:
   dependencies:
     object-assign "^4.1.1"
 
+scheduler@^0.13.1:
+  version "0.13.1"
+  resolved "https://registry.npmjs.org/scheduler/-/scheduler-0.13.1.tgz#1a217df1bfaabaf4f1b92a9127d5d732d85a9591"
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+
 schema-utils@^0.4.4:
   version "0.4.7"
   resolved "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"

From e8b60ab2926e68033100cd4253630138127490dd Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 13 Feb 2019 13:41:20 -0800
Subject: [PATCH 07/27] Use remainingFillableAmount instead of
 maker/takerAssetAmount for amount field for Radar orders

---
 packages/pipeline/src/parsers/radar_orders/index.ts | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/packages/pipeline/src/parsers/radar_orders/index.ts b/packages/pipeline/src/parsers/radar_orders/index.ts
index 47d704a737..c62a1f3819 100644
--- a/packages/pipeline/src/parsers/radar_orders/index.ts
+++ b/packages/pipeline/src/parsers/radar_orders/index.ts
@@ -84,13 +84,10 @@ function _toGeneric(radarMarket: RadarMarket, radarOrder: RadarSignedOrder): Gen
     if (radarMarket.baseTokenDecimals === undefined) {
         return undefined;
     }
-    const rawAmount =
-        radarOrder.type === RadarOrderType.ASK
-            ? radarOrder.signedOrder.makerAssetAmount
-            : radarOrder.signedOrder.takerAssetAmount;
     return {
         price: radarOrder.price.toString(),
-        amount: Web3Wrapper.toUnitAmount(new BigNumber(rawAmount.toString()), radarMarket.baseTokenDecimals).toString(),
+        // Use the remaining fillable amount
+        amount: radarOrder.remainingQuoteTokenAmount.toString(),
     };
 }
 

From 87da6a947d4892d100be6cef28c8920be13b8a65 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Thu, 14 Feb 2019 09:22:50 -0800
Subject: [PATCH 08/27] Have migration to maker_address column working

---
 ...-TokenOrderBookSnapshotsAddMakerAddress.ts | 27 --------------
 ...-TokenOrderBookSnapshotsAddMakerAddress.ts | 36 +++++++++++++++++++
 packages/pipeline/src/entities/token_order.ts |  6 ++--
 .../test/entities/token_order_test.ts         |  2 +-
 4 files changed, 40 insertions(+), 31 deletions(-)
 delete mode 100644 packages/pipeline/migrations/1550017139695-TokenOrderBookSnapshotsAddMakerAddress.ts
 create mode 100644 packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts

diff --git a/packages/pipeline/migrations/1550017139695-TokenOrderBookSnapshotsAddMakerAddress.ts b/packages/pipeline/migrations/1550017139695-TokenOrderBookSnapshotsAddMakerAddress.ts
deleted file mode 100644
index fb13c91f28..0000000000
--- a/packages/pipeline/migrations/1550017139695-TokenOrderBookSnapshotsAddMakerAddress.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-import { MigrationInterface, QueryRunner, TableColumn } from 'typeorm';
-
-const TOKEN_ORDERBOOK_SNAPSHOT_TABLE = 'raw.token_orderbook_snapshots';
-const NEW_COLUMN_NAME = 'maker_address';
-
-export class TokenOrderBookSnapshotsAddMakerAddress1550017139695 implements MigrationInterface {
-    public async up(queryRunner: QueryRunner): Promise<any> {
-        const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
-        if (snapshotTable) {
-            await queryRunner.addColumn(
-                TOKEN_ORDERBOOK_SNAPSHOT_TABLE,
-                new TableColumn({
-                    name: NEW_COLUMN_NAME,
-                    type: 'varchar',
-                    isPrimary: true,
-                }),
-            );
-        }
-    }
-
-    public async down(queryRunner: QueryRunner): Promise<any> {
-        const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
-        if (snapshotTable) {
-            await queryRunner.dropColumn(snapshotTable, NEW_COLUMN_NAME);
-        }
-    }
-}
diff --git a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
new file mode 100644
index 0000000000..01fb7b0cec
--- /dev/null
+++ b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
@@ -0,0 +1,36 @@
+import { MigrationInterface, QueryRunner, TableColumn } from 'typeorm';
+
+const TOKEN_ORDERBOOK_SNAPSHOT_TABLE = 'raw.token_orderbook_snapshots';
+const NEW_COLUMN_NAME = 'maker_address';
+
+export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<any> {
+        const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
+        if (snapshotTable) {
+            const newColumn = new TableColumn({
+                name: NEW_COLUMN_NAME,
+                type: 'varchar',
+                isNullable: true,
+            });
+            await queryRunner.addColumn(TOKEN_ORDERBOOK_SNAPSHOT_TABLE, newColumn);
+            // backfill null values
+            await queryRunner.query(`
+                UPDATE ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}
+                SET ${NEW_COLUMN_NAME}='unknown'
+                WHERE ${NEW_COLUMN_NAME} is NULL;
+            `);
+            await queryRunner.query(`
+                ALTER TABLE ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}
+                    DROP CONSTRAINT "token_orderbook_snapshots_pkey",
+                    ADD PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol, maker_address);
+            `);
+        }
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<any> {
+        const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
+        if (snapshotTable) {
+            await queryRunner.dropColumn(snapshotTable, NEW_COLUMN_NAME);
+        }
+    }
+}
diff --git a/packages/pipeline/src/entities/token_order.ts b/packages/pipeline/src/entities/token_order.ts
index 25baca407d..a1f0006d6e 100644
--- a/packages/pipeline/src/entities/token_order.ts
+++ b/packages/pipeline/src/entities/token_order.ts
@@ -15,14 +15,14 @@ export class TokenOrderbookSnapshot {
     public price!: BigNumber;
     @PrimaryColumn({ name: 'base_asset_symbol' })
     public baseAssetSymbol!: string;
+    @PrimaryColumn({ name: 'quote_asset_symbol' })
+    public quoteAssetSymbol!: string;
     @PrimaryColumn({ type: String, name: 'maker_address', default: 'unknown' })
-    public makerAddress!: string | null;
+    public makerAddress!: string;
     @Column({ nullable: true, type: String, name: 'base_asset_address' })
     public baseAssetAddress!: string | null;
     @Column({ name: 'base_volume', type: 'numeric', transformer: bigNumberTransformer })
     public baseVolume!: BigNumber;
-    @PrimaryColumn({ name: 'quote_asset_symbol' })
-    public quoteAssetSymbol!: string;
     @Column({ nullable: true, type: String, name: 'quote_asset_address' })
     public quoteAssetAddress!: string | null;
     @Column({ name: 'quote_volume', type: 'numeric', transformer: bigNumberTransformer })
diff --git a/packages/pipeline/test/entities/token_order_test.ts b/packages/pipeline/test/entities/token_order_test.ts
index 2101436575..8f2df569b0 100644
--- a/packages/pipeline/test/entities/token_order_test.ts
+++ b/packages/pipeline/test/entities/token_order_test.ts
@@ -20,7 +20,7 @@ const tokenOrderbookSnapshot: TokenOrderbookSnapshot = {
     quoteAssetSymbol: 'ABC',
     quoteAssetAddress: '0x00923b9a074762b93650716333b3e1473a15048e',
     quoteVolume: new BigNumber(12.3234234),
-    makerAddress: null,
+    makerAddress: 'unknown',
 };
 
 describe('TokenOrderbookSnapshot entity', () => {

From 7d68378c3c1c353ec36af95401a4b0df26f206de Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Thu, 14 Feb 2019 09:40:38 -0800
Subject: [PATCH 09/27] Fix volume calculation bug

---
 packages/pipeline/src/parsers/radar_orders/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/pipeline/src/parsers/radar_orders/index.ts b/packages/pipeline/src/parsers/radar_orders/index.ts
index c62a1f3819..4a0a33579e 100644
--- a/packages/pipeline/src/parsers/radar_orders/index.ts
+++ b/packages/pipeline/src/parsers/radar_orders/index.ts
@@ -87,7 +87,7 @@ function _toGeneric(radarMarket: RadarMarket, radarOrder: RadarSignedOrder): Gen
     return {
         price: radarOrder.price.toString(),
         // Use the remaining fillable amount
-        amount: radarOrder.remainingQuoteTokenAmount.toString(),
+        amount: radarOrder.remainingBaseTokenAmount.toString(),
     };
 }
 

From cb5b5167fc6de477d22596073a51ec2a536b1ea0 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Thu, 14 Feb 2019 10:40:10 -0800
Subject: [PATCH 10/27] Fix type bug around Radar response

---
 .../pipeline/src/data_sources/radar/index.ts  | 23 +++++++++++++++++--
 .../src/parsers/radar_orders/index.ts         |  3 +--
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/packages/pipeline/src/data_sources/radar/index.ts b/packages/pipeline/src/data_sources/radar/index.ts
index d6907a2d24..434d2e4631 100644
--- a/packages/pipeline/src/data_sources/radar/index.ts
+++ b/packages/pipeline/src/data_sources/radar/index.ts
@@ -1,5 +1,6 @@
+import { orderParsingUtils } from '@0x/order-utils';
 import { fetchAsync, logUtils } from '@0x/utils';
-import { RadarBook, RadarMarket } from '@radarrelay/types';
+import { RadarBook, RadarMarket, RadarSignedOrder } from '@radarrelay/types';
 
 const RADAR_BASE_URL = 'https://api.radarrelay.com/v2/';
 const ACTIVE_MARKETS_URL = `${RADAR_BASE_URL}/markets`;
@@ -10,6 +11,17 @@ export const RADAR_SOURCE = 'radar';
 // tslint:disable:prefer-function-over-method
 // ^ Keep consistency with other sources and help logical organization
 export class RadarSource {
+    private static _parseRadarOrderResponse(radarOrderResponse: any): RadarSignedOrder {
+        return {
+            ...radarOrderResponse,
+            ...orderParsingUtils.convertStringsFieldsToBigNumbers(radarOrderResponse, [
+                'remainingBaseTokenAmount',
+                'remainingQuoteTokenAmount',
+                'price',
+            ]),
+            signedOrder: orderParsingUtils.convertOrderStringFieldsToBigNumber(radarOrderResponse.signedOrder),
+        };
+    }
     /**
      * Call Radar API to find out which markets they are maintaining orderbooks for.
      */
@@ -29,6 +41,13 @@ export class RadarSource {
         logUtils.log(`${marketId}: Retrieving orderbook.`);
         const marketOrderbookUrl = `${ACTIVE_MARKETS_URL}/${marketId}/book?perPage=${MAX_PER_PAGE}`;
         const resp = await fetchAsync(marketOrderbookUrl);
-        return resp.json();
+        const jsonResp = await resp.json();
+        return {
+            ...jsonResp,
+            // tslint:disable-next-line:no-unbound-method
+            bids: jsonResp.bids.map(RadarSource._parseRadarOrderResponse),
+            // tslint:disable-next-line:no-unbound-method
+            asks: jsonResp.asks.map(RadarSource._parseRadarOrderResponse),
+        };
     }
 }
diff --git a/packages/pipeline/src/parsers/radar_orders/index.ts b/packages/pipeline/src/parsers/radar_orders/index.ts
index 4a0a33579e..48b16fe3fd 100644
--- a/packages/pipeline/src/parsers/radar_orders/index.ts
+++ b/packages/pipeline/src/parsers/radar_orders/index.ts
@@ -1,7 +1,6 @@
 import { ObjectMap } from '@0x/types';
 import { BigNumber } from '@0x/utils';
-import { Web3Wrapper } from '@0x/web3-wrapper';
-import { RadarBook, RadarMarket, RadarOrderType, RadarSignedOrder } from '@radarrelay/types';
+import { RadarBook, RadarMarket, RadarSignedOrder } from '@radarrelay/types';
 import * as R from 'ramda';
 
 import { aggregateOrders, GenericRawOrder } from '../utils';

From 58d51e039ceba8449e3c5cba7a45f4547870b264 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Thu, 14 Feb 2019 10:45:48 -0800
Subject: [PATCH 11/27] Rename migration to what it is called on prod and qa

---
 .../1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
index 01fb7b0cec..38c764b46c 100644
--- a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
+++ b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
@@ -21,7 +21,7 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
             `);
             await queryRunner.query(`
                 ALTER TABLE ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}
-                    DROP CONSTRAINT "token_orderbook_snapshots_pkey",
+                    DROP CONSTRAINT "token_orderbook_snapshots_pkey1",
                     ADD PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol, maker_address);
             `);
         }

From 8f7145f80ae8a7b97aaeaedde05fa826c099f83f Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Thu, 14 Feb 2019 15:07:09 -0800
Subject: [PATCH 12/27] Add parsing radar order test

---
 .../pipeline/src/data_sources/radar/index.ts  |  6 +-
 .../test/data_sources/radar/index_test.ts     | 77 +++++++++++++++++++
 2 files changed, 80 insertions(+), 3 deletions(-)
 create mode 100644 packages/pipeline/test/data_sources/radar/index_test.ts

diff --git a/packages/pipeline/src/data_sources/radar/index.ts b/packages/pipeline/src/data_sources/radar/index.ts
index 434d2e4631..873b0fefe2 100644
--- a/packages/pipeline/src/data_sources/radar/index.ts
+++ b/packages/pipeline/src/data_sources/radar/index.ts
@@ -11,7 +11,7 @@ export const RADAR_SOURCE = 'radar';
 // tslint:disable:prefer-function-over-method
 // ^ Keep consistency with other sources and help logical organization
 export class RadarSource {
-    private static _parseRadarOrderResponse(radarOrderResponse: any): RadarSignedOrder {
+    public static parseRadarOrderResponse(radarOrderResponse: any): RadarSignedOrder {
         return {
             ...radarOrderResponse,
             ...orderParsingUtils.convertStringsFieldsToBigNumbers(radarOrderResponse, [
@@ -45,9 +45,9 @@ export class RadarSource {
         return {
             ...jsonResp,
             // tslint:disable-next-line:no-unbound-method
-            bids: jsonResp.bids.map(RadarSource._parseRadarOrderResponse),
+            bids: jsonResp.bids.map(RadarSource.parseRadarOrderResponse),
             // tslint:disable-next-line:no-unbound-method
-            asks: jsonResp.asks.map(RadarSource._parseRadarOrderResponse),
+            asks: jsonResp.asks.map(RadarSource.parseRadarOrderResponse),
         };
     }
 }
diff --git a/packages/pipeline/test/data_sources/radar/index_test.ts b/packages/pipeline/test/data_sources/radar/index_test.ts
new file mode 100644
index 0000000000..9a1eacb164
--- /dev/null
+++ b/packages/pipeline/test/data_sources/radar/index_test.ts
@@ -0,0 +1,77 @@
+import { BigNumber } from '@0x/utils';
+import { RadarOrderState, RadarOrderType } from '@radarrelay/types';
+import * as chai from 'chai';
+import 'mocha';
+import * as R from 'ramda';
+
+import { RadarSource } from '../../../src/data_sources/radar';
+import { chaiSetup } from '../../utils/chai_setup';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+const rawResponse = {
+    orderHash: '0x60bc235f7887a50801c8fc1fc18fb0625ac5f3962cdc1bd59567a6929db8b2ec',
+    type: 'BID',
+    state: 'OPEN',
+    baseTokenAddress: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
+    quoteTokenAddress: '0x89d24a6b4ccb1b6faa2625fe562bdd9a23260359',
+    remainingBaseTokenAmount: '9.079731811797989766',
+    remainingQuoteTokenAmount: '1099.999999999999999889',
+    price: '121.14895272244560081697',
+    createdDate: '2019-02-13 21:35:53',
+    signedOrder: {
+        exchangeAddress: '0x4f833a24e1f95d70f028921e27040ca56e09ab0b',
+        senderAddress: '0x0000000000000000000000000000000000000000',
+        makerAddress: '0x56178a0d5f301baf6cf3e1cd53d9863437345bf9',
+        takerAddress: '0x0000000000000000000000000000000000000000',
+        makerAssetData: '0xf47261b000000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359',
+        takerAssetData: '0xf47261b0000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
+        feeRecipientAddress: '0xa258b39954cef5cb142fd567a46cddb31a670124',
+        makerAssetAmount: '1099999999999999999889',
+        takerAssetAmount: '9079731811797989766',
+        makerFee: '0',
+        takerFee: '0',
+        expirationTimeSeconds: '1550094353',
+        signature:
+            '0x1ce161d02ad63fe7308e9cd5e97583a8873331d1b72d90e9f3863d9fcba2518cb91ab2fe7de94e4afb39742acdc820abbff2dc0622c8d3865917fade62f16322ae03',
+        salt: '1550093753237',
+    },
+};
+
+const parsedResponse = {
+    orderHash: '0x60bc235f7887a50801c8fc1fc18fb0625ac5f3962cdc1bd59567a6929db8b2ec',
+    type: 'BID' as RadarOrderType,
+    state: 'OPEN' as RadarOrderState,
+    baseTokenAddress: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
+    quoteTokenAddress: '0x89d24a6b4ccb1b6faa2625fe562bdd9a23260359',
+    remainingBaseTokenAmount: new BigNumber('9.079731811797989766'),
+    remainingQuoteTokenAmount: new BigNumber('1099.999999999999999889'),
+    price: new BigNumber('121.14895272244560081697'),
+    createdDate: '2019-02-13 21:35:53',
+    signedOrder: {
+        exchangeAddress: '0x4f833a24e1f95d70f028921e27040ca56e09ab0b',
+        senderAddress: '0x0000000000000000000000000000000000000000',
+        makerAddress: '0x56178a0d5f301baf6cf3e1cd53d9863437345bf9',
+        takerAddress: '0x0000000000000000000000000000000000000000',
+        makerAssetData: '0xf47261b000000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359',
+        takerAssetData: '0xf47261b0000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
+        feeRecipientAddress: '0xa258b39954cef5cb142fd567a46cddb31a670124',
+        makerAssetAmount: new BigNumber('1099999999999999999889'),
+        takerAssetAmount: new BigNumber('9079731811797989766'),
+        makerFee: new BigNumber('0'),
+        takerFee: new BigNumber('0'),
+        expirationTimeSeconds: new BigNumber('1550094353'),
+        signature:
+            '0x1ce161d02ad63fe7308e9cd5e97583a8873331d1b72d90e9f3863d9fcba2518cb91ab2fe7de94e4afb39742acdc820abbff2dc0622c8d3865917fade62f16322ae03',
+        salt: new BigNumber('1550093753237'),
+    },
+};
+
+describe('RadarSource', () => {
+    describe('parseRadarOrderResponse', () => {
+        it('Correctly parses a Radar orderbook response to a RadarBook', () => {
+            expect(RadarSource.parseRadarOrderResponse(rawResponse)).deep.equal(parsedResponse);
+        });
+    });
+});

From f33f808dc79672f00b336164274e03d9f837d4e0 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Thu, 14 Feb 2019 17:17:35 -0800
Subject: [PATCH 13/27] fix null column constraint issue

---
 packages/pipeline/src/parsers/ddex_orders/index.ts    | 2 ++
 packages/pipeline/src/parsers/idex_orders/index.ts    | 1 +
 packages/pipeline/src/parsers/oasis_orders/index.ts   | 1 +
 packages/pipeline/src/parsers/paradex_orders/index.ts | 1 +
 4 files changed, 5 insertions(+)

diff --git a/packages/pipeline/src/parsers/ddex_orders/index.ts b/packages/pipeline/src/parsers/ddex_orders/index.ts
index 562f894ab6..7e9bbb18aa 100644
--- a/packages/pipeline/src/parsers/ddex_orders/index.ts
+++ b/packages/pipeline/src/parsers/ddex_orders/index.ts
@@ -65,5 +65,7 @@ export function parseDdexOrder(
     tokenOrder.quoteAssetSymbol = ddexMarket.quoteToken;
     tokenOrder.quoteAssetAddress = ddexMarket.quoteTokenAddress;
     tokenOrder.quoteVolume = price.times(amount);
+
+    tokenOrder.makerAddress = 'unknown';
     return tokenOrder;
 }
diff --git a/packages/pipeline/src/parsers/idex_orders/index.ts b/packages/pipeline/src/parsers/idex_orders/index.ts
index 14b8711958..8620236b89 100644
--- a/packages/pipeline/src/parsers/idex_orders/index.ts
+++ b/packages/pipeline/src/parsers/idex_orders/index.ts
@@ -65,6 +65,7 @@ export function parseIdexOrder(
     tokenOrder.price = price;
     tokenOrder.baseVolume = amount;
     tokenOrder.quoteVolume = price.times(amount);
+    tokenOrder.makerAddress = 'unknown';
 
     if (orderType === OrderType.Bid) {
         tokenOrder.baseAssetSymbol = idexOrderParam.buySymbol;
diff --git a/packages/pipeline/src/parsers/oasis_orders/index.ts b/packages/pipeline/src/parsers/oasis_orders/index.ts
index b71fb65b90..145a547c0b 100644
--- a/packages/pipeline/src/parsers/oasis_orders/index.ts
+++ b/packages/pipeline/src/parsers/oasis_orders/index.ts
@@ -67,5 +67,6 @@ export function parseOasisOrder(
     tokenOrder.quoteAssetSymbol = oasisMarket.quote;
     tokenOrder.quoteAssetAddress = null; // Oasis doesn't provide address information
     tokenOrder.quoteVolume = price.times(amount);
+    tokenOrder.makerAddress = 'unknown';
     return tokenOrder;
 }
diff --git a/packages/pipeline/src/parsers/paradex_orders/index.ts b/packages/pipeline/src/parsers/paradex_orders/index.ts
index 85990dae4f..5f41d9676c 100644
--- a/packages/pipeline/src/parsers/paradex_orders/index.ts
+++ b/packages/pipeline/src/parsers/paradex_orders/index.ts
@@ -62,5 +62,6 @@ export function parseParadexOrder(
     tokenOrder.quoteAssetSymbol = paradexMarket.quoteToken;
     tokenOrder.quoteAssetAddress = paradexMarket.quoteTokenAddress as string;
     tokenOrder.quoteVolume = price.times(amount);
+    tokenOrder.makerAddress = 'unknown';
     return tokenOrder;
 }

From 169b8807f72f144d6b481e03233e48203dc2dac4 Mon Sep 17 00:00:00 2001
From: David Sun <dvsuner@protonmail.com>
Date: Tue, 19 Feb 2019 16:10:35 -0500
Subject: [PATCH 14/27] removed react-document-title in favor of using
 react-helmet for consistency and bug fix

---
 packages/website/package.json                        |  1 -
 packages/website/ts/components/documentTitle.tsx     | 12 ++++++++++++
 packages/website/ts/components/meta_tags.tsx         |  2 +-
 packages/website/ts/components/portal/portal.tsx     |  2 +-
 packages/website/ts/index.tsx                        |  1 -
 packages/website/ts/pages/about/jobs.tsx             |  2 +-
 packages/website/ts/pages/about/mission.tsx          |  2 +-
 packages/website/ts/pages/about/press.tsx            |  2 +-
 packages/website/ts/pages/about/team.tsx             |  2 +-
 packages/website/ts/pages/credits.tsx                |  2 ++
 .../ts/pages/documentation/developers_page.tsx       |  2 +-
 packages/website/ts/pages/ecosystem.tsx              |  2 +-
 packages/website/ts/pages/faq/faq.tsx                |  2 +-
 packages/website/ts/pages/governance/governance.tsx  |  2 +-
 packages/website/ts/pages/instant.tsx                |  2 +-
 packages/website/ts/pages/landing.tsx                |  2 +-
 packages/website/ts/pages/launch_kit.tsx             |  3 ++-
 packages/website/ts/pages/market_maker.tsx           |  2 ++
 packages/website/ts/pages/vote_placeholder.tsx       |  2 +-
 packages/website/ts/pages/why.tsx                    |  2 +-
 20 files changed, 32 insertions(+), 17 deletions(-)
 create mode 100644 packages/website/ts/components/documentTitle.tsx

diff --git a/packages/website/package.json b/packages/website/package.json
index 5dff93c957..e5c5e97b6e 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -57,7 +57,6 @@
         "rc-slider": "^8.6.3",
         "react": "^16.5.2",
         "react-copy-to-clipboard": "^5.0.0",
-        "react-document-title": "^2.0.3",
         "react-dom": "^16.5.2",
         "react-flickity-component": "^3.1.0",
         "react-headroom": "2.2.2",
diff --git a/packages/website/ts/components/documentTitle.tsx b/packages/website/ts/components/documentTitle.tsx
new file mode 100644
index 0000000000..5b19fe5f72
--- /dev/null
+++ b/packages/website/ts/components/documentTitle.tsx
@@ -0,0 +1,12 @@
+import * as React from 'react';
+import { Helmet } from 'react-helmet';
+
+export interface DocumentTitleProps {
+    title: string;
+}
+
+export const DocumentTitle: React.StatelessComponent<DocumentTitleProps> = ({ title }) => (
+    <Helmet>
+        <title>{title}</title>
+    </Helmet>
+);
diff --git a/packages/website/ts/components/meta_tags.tsx b/packages/website/ts/components/meta_tags.tsx
index f6c43d23f6..a191b45c68 100644
--- a/packages/website/ts/components/meta_tags.tsx
+++ b/packages/website/ts/components/meta_tags.tsx
@@ -9,7 +9,7 @@ export interface MetaTagsProps {
 
 export const MetaTags: React.StatelessComponent<MetaTagsProps> = ({ title, description, imgSrc }) => (
     <Helmet>
-        <title>{title}</title>
+        {/* <title>{title}</title> */}
         <meta name="description" content={description} />
         <meta property="og:title" content={title} />
         <meta property="og:description" content={description} />
diff --git a/packages/website/ts/components/portal/portal.tsx b/packages/website/ts/components/portal/portal.tsx
index 6ebbf8d1fb..e57eec11ac 100644
--- a/packages/website/ts/components/portal/portal.tsx
+++ b/packages/website/ts/components/portal/portal.tsx
@@ -2,13 +2,13 @@ import { colors, Link } from '@0x/react-shared';
 import { BigNumber } from '@0x/utils';
 import * as _ from 'lodash';
 import * as React from 'react';
-import * as DocumentTitle from 'react-document-title';
 import { Route, RouteComponentProps, Switch } from 'react-router-dom';
 
 import { Blockchain } from 'ts/blockchain';
 import { BlockchainErrDialog } from 'ts/components/dialogs/blockchain_err_dialog';
 import { LedgerConfigDialog } from 'ts/components/dialogs/ledger_config_dialog';
 import { PortalDisclaimerDialog } from 'ts/components/dialogs/portal_disclaimer_dialog';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { EthWrappers } from 'ts/components/eth_wrappers';
 import { FillOrder } from 'ts/components/fill_order';
 import { AssetPicker } from 'ts/components/generate_order/asset_picker';
diff --git a/packages/website/ts/index.tsx b/packages/website/ts/index.tsx
index 403db1dc22..bd80e4a21e 100644
--- a/packages/website/ts/index.tsx
+++ b/packages/website/ts/index.tsx
@@ -133,7 +133,6 @@ render(
                                 <Route path={WebsitePaths.Portal} component={LazyPortal} />
                                 <Route path={WebsitePaths.FAQ} component={FAQ as any} />
                                 <Route path={WebsitePaths.Wiki} component={Wiki as any} />
-
                                 <Route
                                     path={`${WebsitePaths.ZeroExJs}/:version?`}
                                     component={LazyZeroExJSDocumentation}
diff --git a/packages/website/ts/pages/about/jobs.tsx b/packages/website/ts/pages/about/jobs.tsx
index 85c25a75fa..9779920867 100644
--- a/packages/website/ts/pages/about/jobs.tsx
+++ b/packages/website/ts/pages/about/jobs.tsx
@@ -1,9 +1,9 @@
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import styled from 'styled-components';
 
 import { AboutPageLayout } from 'ts/components/aboutPageLayout';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Link } from 'ts/components/link';
 import { Column, FlexWrap, Section } from 'ts/components/newLayout';
 import { Heading, Paragraph } from 'ts/components/text';
diff --git a/packages/website/ts/pages/about/mission.tsx b/packages/website/ts/pages/about/mission.tsx
index ab8949faec..2b7d9a3c33 100644
--- a/packages/website/ts/pages/about/mission.tsx
+++ b/packages/website/ts/pages/about/mission.tsx
@@ -1,10 +1,10 @@
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import styled from 'styled-components';
 
 import { AboutPageLayout } from 'ts/components/aboutPageLayout';
 import { Definition } from 'ts/components/definition';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Image } from 'ts/components/image';
 import { Column, Section } from 'ts/components/newLayout';
 import { Heading } from 'ts/components/text';
diff --git a/packages/website/ts/pages/about/press.tsx b/packages/website/ts/pages/about/press.tsx
index 03003d6561..1a757b2792 100644
--- a/packages/website/ts/pages/about/press.tsx
+++ b/packages/website/ts/pages/about/press.tsx
@@ -1,10 +1,10 @@
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import styled from 'styled-components';
 
 import { AboutPageLayout } from 'ts/components/aboutPageLayout';
 import { Button } from 'ts/components/button';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Column, FlexWrap } from 'ts/components/newLayout';
 import { Paragraph } from 'ts/components/text';
 
diff --git a/packages/website/ts/pages/about/team.tsx b/packages/website/ts/pages/about/team.tsx
index 808fea0496..072bbffa0c 100644
--- a/packages/website/ts/pages/about/team.tsx
+++ b/packages/website/ts/pages/about/team.tsx
@@ -1,11 +1,11 @@
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import styled from 'styled-components';
 
 import { colors } from 'ts/style/colors';
 
 import { AboutPageLayout } from 'ts/components/aboutPageLayout';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Column, Section } from 'ts/components/newLayout';
 import { Heading, Paragraph } from 'ts/components/text';
 import { WebsitePaths } from 'ts/types';
diff --git a/packages/website/ts/pages/credits.tsx b/packages/website/ts/pages/credits.tsx
index fa0aa3c57c..6c24a40490 100644
--- a/packages/website/ts/pages/credits.tsx
+++ b/packages/website/ts/pages/credits.tsx
@@ -4,6 +4,7 @@ import * as React from 'react';
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
 import { CenteredDefinition } from 'ts/components/centeredDefinition';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Hero } from 'ts/components/hero';
 import { ModalContact, ModalContactType } from 'ts/components/modals/modal_contact';
 import { FlexWrap, Section } from 'ts/components/newLayout';
@@ -24,6 +25,7 @@ export class Credits extends React.Component<CreditsProps> {
     public render(): React.ReactNode {
         return (
             <SiteWrap theme="light">
+                <DocumentTitle title="Free Credits - 0x" />
                 <Hero
                     maxWidth="865px"
                     maxWidthHeading="765px"
diff --git a/packages/website/ts/pages/documentation/developers_page.tsx b/packages/website/ts/pages/documentation/developers_page.tsx
index 0b725c5143..369bb96228 100644
--- a/packages/website/ts/pages/documentation/developers_page.tsx
+++ b/packages/website/ts/pages/documentation/developers_page.tsx
@@ -1,10 +1,10 @@
 import { colors, constants as sharedConstants, utils as sharedUtils } from '@0x/react-shared';
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import { Helmet } from 'react-helmet';
 import { DocsLogo } from 'ts/components/documentation/docs_logo';
 import { DocsTopBar } from 'ts/components/documentation/docs_top_bar';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Container } from 'ts/components/ui/container';
 import { Dispatcher } from 'ts/redux/dispatcher';
 import { media } from 'ts/style/media';
diff --git a/packages/website/ts/pages/ecosystem.tsx b/packages/website/ts/pages/ecosystem.tsx
index 8e367b21f7..3f71efa6a3 100644
--- a/packages/website/ts/pages/ecosystem.tsx
+++ b/packages/website/ts/pages/ecosystem.tsx
@@ -1,11 +1,11 @@
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import styled from 'styled-components';
 
 import { colors } from 'ts/style/colors';
 
 import { Button } from 'ts/components/button';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Icon } from 'ts/components/icon';
 import { Column, Section, WrapGrid } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
diff --git a/packages/website/ts/pages/faq/faq.tsx b/packages/website/ts/pages/faq/faq.tsx
index 548db1d1d1..a318cdafd0 100644
--- a/packages/website/ts/pages/faq/faq.tsx
+++ b/packages/website/ts/pages/faq/faq.tsx
@@ -1,7 +1,7 @@
 import { colors, Styles } from '@0x/react-shared';
 import * as _ from 'lodash';
 import * as React from 'react';
-import * as DocumentTitle from 'react-document-title';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Footer } from 'ts/components/old_footer';
 import { TopBar } from 'ts/components/top_bar/top_bar';
 import { Question } from 'ts/pages/faq/question';
diff --git a/packages/website/ts/pages/governance/governance.tsx b/packages/website/ts/pages/governance/governance.tsx
index e6f2ee812d..474a7686d2 100644
--- a/packages/website/ts/pages/governance/governance.tsx
+++ b/packages/website/ts/pages/governance/governance.tsx
@@ -1,11 +1,11 @@
 import { BigNumber } from '@0x/utils';
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import styled from 'styled-components';
 
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { ModalContact } from 'ts/components/modals/modal_contact';
 import { Column, FlexWrap, Section } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
diff --git a/packages/website/ts/pages/instant.tsx b/packages/website/ts/pages/instant.tsx
index 586665d5ba..d406b48baf 100644
--- a/packages/website/ts/pages/instant.tsx
+++ b/packages/website/ts/pages/instant.tsx
@@ -1,12 +1,12 @@
 import { utils as sharedUtils } from '@0x/react-shared';
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import styled, { keyframes } from 'styled-components';
 
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
 import { Definition } from 'ts/components/definition';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Hero } from 'ts/components/hero';
 import { Section, SectionProps } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
diff --git a/packages/website/ts/pages/landing.tsx b/packages/website/ts/pages/landing.tsx
index b47d34dce8..d23b37b90d 100644
--- a/packages/website/ts/pages/landing.tsx
+++ b/packages/website/ts/pages/landing.tsx
@@ -1,6 +1,6 @@
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { SectionLandingAbout } from 'ts/components/sections/landing/about';
 import { SectionLandingClients } from 'ts/components/sections/landing/clients';
 import { SectionLandingCta } from 'ts/components/sections/landing/cta';
diff --git a/packages/website/ts/pages/launch_kit.tsx b/packages/website/ts/pages/launch_kit.tsx
index dd4de4d999..719124c79c 100644
--- a/packages/website/ts/pages/launch_kit.tsx
+++ b/packages/website/ts/pages/launch_kit.tsx
@@ -1,6 +1,7 @@
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
+
+import { DocumentTitle } from 'ts/components/documentTitle';
 
 import { Hero } from 'ts/components/hero';
 
diff --git a/packages/website/ts/pages/market_maker.tsx b/packages/website/ts/pages/market_maker.tsx
index 854870358d..eb01a12e76 100644
--- a/packages/website/ts/pages/market_maker.tsx
+++ b/packages/website/ts/pages/market_maker.tsx
@@ -5,6 +5,7 @@ import * as React from 'react';
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
 import { Action, Definition } from 'ts/components/definition';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Hero } from 'ts/components/hero';
 import { ModalContact, ModalContactType } from 'ts/components/modals/modal_contact';
 import { Section } from 'ts/components/newLayout';
@@ -66,6 +67,7 @@ export class NextMarketMaker extends React.Component<NextMarketMakerProps> {
     public render(): React.ReactNode {
         return (
             <SiteWrap theme="light">
+                <DocumentTitle title="Market making - 0x" />
                 <Hero
                     maxWidth="865px"
                     maxWidthHeading="715px"
diff --git a/packages/website/ts/pages/vote_placeholder.tsx b/packages/website/ts/pages/vote_placeholder.tsx
index 58d7b22732..6fcc1d57de 100644
--- a/packages/website/ts/pages/vote_placeholder.tsx
+++ b/packages/website/ts/pages/vote_placeholder.tsx
@@ -1,9 +1,9 @@
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import styled from 'styled-components';
 
 import { Button } from 'ts/components/button';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Column, Section } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
 import { Heading, Paragraph } from 'ts/components/text';
diff --git a/packages/website/ts/pages/why.tsx b/packages/website/ts/pages/why.tsx
index 48888d10a7..25cc92207f 100644
--- a/packages/website/ts/pages/why.tsx
+++ b/packages/website/ts/pages/why.tsx
@@ -1,12 +1,12 @@
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle from 'react-document-title';
 import ScrollableAnchor, { configureAnchors } from 'react-scrollable-anchor';
 import styled from 'styled-components';
 
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
 import { Definition } from 'ts/components/definition';
+import { DocumentTitle } from 'ts/components/documentTitle';
 import { Hero } from 'ts/components/hero';
 import { Column, Section, WrapSticky } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';

From 5d1dd536e9d097829147cf116c5d27fc6703e7c5 Mon Sep 17 00:00:00 2001
From: David Sun <dvsuner@protonmail.com>
Date: Tue, 19 Feb 2019 16:13:26 -0500
Subject: [PATCH 15/27] fixed title comment-out

---
 packages/website/ts/components/meta_tags.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/website/ts/components/meta_tags.tsx b/packages/website/ts/components/meta_tags.tsx
index a191b45c68..f6c43d23f6 100644
--- a/packages/website/ts/components/meta_tags.tsx
+++ b/packages/website/ts/components/meta_tags.tsx
@@ -9,7 +9,7 @@ export interface MetaTagsProps {
 
 export const MetaTags: React.StatelessComponent<MetaTagsProps> = ({ title, description, imgSrc }) => (
     <Helmet>
-        {/* <title>{title}</title> */}
+        <title>{title}</title>
         <meta name="description" content={description} />
         <meta property="og:title" content={title} />
         <meta property="og:description" content={description} />

From 0c871b67cad84a73c461eec51c4fb24fecd87293 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Tue, 19 Feb 2019 16:58:11 -0800
Subject: [PATCH 16/27] Add parser test for Radar orderbook parsing

---
 packages/pipeline/test/parsers/ddex_orders/index_test.ts    | 2 +-
 packages/pipeline/test/parsers/idex_orders/index_test.ts    | 4 ++--
 packages/pipeline/test/parsers/oasis_orders/index_test.ts   | 2 +-
 packages/pipeline/test/parsers/paradex_orders/index_test.ts | 2 +-
 packages/pipeline/test/parsers/radar_orders/index_test.ts   | 0
 5 files changed, 5 insertions(+), 5 deletions(-)
 create mode 100644 packages/pipeline/test/parsers/radar_orders/index_test.ts

diff --git a/packages/pipeline/test/parsers/ddex_orders/index_test.ts b/packages/pipeline/test/parsers/ddex_orders/index_test.ts
index d6f69e090e..7eb74ed09e 100644
--- a/packages/pipeline/test/parsers/ddex_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/ddex_orders/index_test.ts
@@ -44,7 +44,7 @@ describe('ddex_orders', () => {
             expected.baseAssetSymbol = 'DEF';
             expected.baseAssetAddress = '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81';
             expected.baseVolume = new BigNumber(10);
-
+            expected.makerAddress = 'unknown';
             const actual = parseDdexOrder(ddexMarket, observedTimestamp, orderType, source, ddexOrder);
             expect(actual).deep.equal(expected);
         });
diff --git a/packages/pipeline/test/parsers/idex_orders/index_test.ts b/packages/pipeline/test/parsers/idex_orders/index_test.ts
index 48b019732a..0c7c642ce2 100644
--- a/packages/pipeline/test/parsers/idex_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/idex_orders/index_test.ts
@@ -45,7 +45,7 @@ describe('idex_orders', () => {
             expected.quoteAssetSymbol = 'DEF';
             expected.quoteAssetAddress = '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81';
             expected.quoteVolume = new BigNumber(5);
-
+            expected.makerAddress = 'unknown';
             const actual = parseIdexOrder(idexOrderParam, observedTimestamp, orderType, source, idexOrder);
             expect(actual).deep.equal(expected);
         });
@@ -79,7 +79,7 @@ describe('idex_orders', () => {
             expected.quoteAssetSymbol = 'DEF';
             expected.quoteAssetAddress = '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81';
             expected.quoteVolume = new BigNumber(5);
-
+            expected.makerAddress = 'unknown';
             const actual = parseIdexOrder(idexOrderParam, observedTimestamp, orderType, source, idexOrder);
             expect(actual).deep.equal(expected);
         });
diff --git a/packages/pipeline/test/parsers/oasis_orders/index_test.ts b/packages/pipeline/test/parsers/oasis_orders/index_test.ts
index 401fedff87..7ef86ee10c 100644
--- a/packages/pipeline/test/parsers/oasis_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/oasis_orders/index_test.ts
@@ -41,7 +41,7 @@ describe('oasis_orders', () => {
             expected.quoteAssetSymbol = 'ABC';
             expected.quoteAssetAddress = null;
             expected.quoteVolume = new BigNumber(5);
-
+            expected.makerAddress = 'unknown';
             const actual = parseOasisOrder(oasisMarket, observedTimestamp, orderType, source, oasisOrder);
             expect(actual).deep.equal(expected);
         });
diff --git a/packages/pipeline/test/parsers/paradex_orders/index_test.ts b/packages/pipeline/test/parsers/paradex_orders/index_test.ts
index c5dd8751b2..10ac1ecdc9 100644
--- a/packages/pipeline/test/parsers/paradex_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/paradex_orders/index_test.ts
@@ -46,7 +46,7 @@ describe('paradex_orders', () => {
             expected.quoteAssetSymbol = 'ABC';
             expected.quoteAssetAddress = '0x0000000000000000000000000000000000000000';
             expected.quoteVolume = new BigNumber(412 * 0.1245);
-
+            expected.makerAddress = 'unknown';
             const actual = parseParadexOrder(paradexMarket, observedTimestamp, orderType, source, paradexOrder);
             expect(actual).deep.equal(expected);
         });
diff --git a/packages/pipeline/test/parsers/radar_orders/index_test.ts b/packages/pipeline/test/parsers/radar_orders/index_test.ts
new file mode 100644
index 0000000000..e69de29bb2

From 12fd9c29f0c843746f0e6e979feee8bf21bde764 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Tue, 19 Feb 2019 17:19:12 -0800
Subject: [PATCH 17/27] Add radar_orders parseRadarOrder test

---
 .../test/parsers/radar_orders/index_test.ts   | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/packages/pipeline/test/parsers/radar_orders/index_test.ts b/packages/pipeline/test/parsers/radar_orders/index_test.ts
index e69de29bb2..e3004d7c2a 100644
--- a/packages/pipeline/test/parsers/radar_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/radar_orders/index_test.ts
@@ -0,0 +1,56 @@
+import { BigNumber } from '@0x/utils';
+import { RadarBook, RadarMarket, RadarSignedOrder } from '@radarrelay/types';
+import * as chai from 'chai';
+import 'mocha';
+
+import { TokenOrderbookSnapshot as TokenOrder } from '../../../src/entities';
+import { AggregateOrdersByMaker, parseRadarOrder } from '../../../src/parsers/radar_orders';
+import { OrderType } from '../../../src/types';
+import { chaiSetup } from '../../utils/chai_setup';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+// tslint:disable:custom-no-magic-numbers
+describe('radar_orders', () => {
+    describe('parseRadarOrder', () => {
+        it('converts radarOrder to TokenOrder entity', () => {
+            const radarOrder: AggregateOrdersByMaker = {
+                makerAddress: '0x6eC92694ea172ebC430C30fa31De87620967A082',
+                price: '0.01',
+                amount: new BigNumber(10000000000),
+            };
+            const radarMarket = ({
+                id: 'WETH-DAI',
+                displayName: 'WETH/DAI',
+                baseTokenAddress: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
+                quoteTokenAddress: '0x89d24a6b4ccb1b6faa2625fe562bdd9a23260359',
+                baseTokenDecimals: 18,
+                quoteTokenDecimals: 18,
+                quoteIncrement: 8,
+                minOrderSize: new BigNumber('0.00692535'),
+                maxOrderSize: new BigNumber('1000000000'),
+                score: 99.66,
+                // Radar types are defined using an older version of BigNumber, so need to be force cast.
+            } as any) as RadarMarket;
+            const observedTimestamp: number = Date.now();
+            const orderType: OrderType = OrderType.Bid;
+            const source: string = 'radar';
+
+            const expected = new TokenOrder();
+            expected.source = 'radar';
+            expected.observedTimestamp = observedTimestamp;
+            expected.orderType = OrderType.Bid;
+            expected.price = new BigNumber(0.01);
+            expected.quoteAssetSymbol = 'DAI';
+            expected.quoteAssetAddress = '0x89d24a6b4ccb1b6faa2625fe562bdd9a23260359';
+            expected.quoteVolume = new BigNumber(100000000);
+            expected.baseAssetSymbol = 'WETH';
+            expected.baseAssetAddress = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2';
+            expected.baseVolume = new BigNumber(10000000000);
+            expected.makerAddress = '0x6eC92694ea172ebC430C30fa31De87620967A082';
+            const actual = parseRadarOrder(radarMarket, observedTimestamp, orderType, source, radarOrder);
+            expect(actual).deep.equal(expected);
+        });
+    });
+});

From 426190181b322baf566a8c525399dad35294a3a8 Mon Sep 17 00:00:00 2001
From: David Sun <dvsuner@protonmail.com>
Date: Tue, 19 Feb 2019 23:33:48 -0500
Subject: [PATCH 18/27] added metadata for pages (incomplete)

---
 .../website/ts/document_meta_constants.tsx    | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 packages/website/ts/document_meta_constants.tsx

diff --git a/packages/website/ts/document_meta_constants.tsx b/packages/website/ts/document_meta_constants.tsx
new file mode 100644
index 0000000000..db48fad191
--- /dev/null
+++ b/packages/website/ts/document_meta_constants.tsx
@@ -0,0 +1,63 @@
+export interface DocumentMetadata {
+    title: string;
+    description: string;
+    keywords: string;
+}
+
+export const documentConstants: { [s: string]: DocumentMetadata } = {
+    LANDING: {
+        title: '0x: Powering the decentralized exchange of tokens on Ethereum',
+        description: '0x is an open protocol that enables the peer-to-peer exchange of assets on the Ethereum blockchain.',
+        keywords: 'DEX, Decentralized Exchange, Ethereum, 0x, 0x Protocol, Tokens, ZRX, Crypto Exchange, Cryptocurrency, Crypto, DeFi, Decentralized Finance, Open Finance, NFTs, Non Fungible Tokens, Exchange Protocol, Relayer, Exchange Functionality, Crypto Developers, 0x Instant, Crypto Market Maker, Networked Liquidity, 0x Home, Crypto Infrastructure, Build on 0x, Crypto',
+    },
+    WHY: {
+        title: '0x: Features and Benefits',
+        description: '0x Protocol is free, open-source infrastructure that developers and businesses utilize to build products that enable the purchasing and trading of crypto tokens.',
+        keywords: '',
+    },
+    INSTANT: {
+        title: '0x Instant: Quick and secure crypto purchasing',
+        description: 'A free and flexible way to offer simple crypto purchasing in any app or website.',
+        keywords: '',
+    },
+    LAUNCH_KIT: {
+        title: '0x Launch Kit: Launch a relayer in under a minute',
+        description: 'Launch Kit includes a set of tools and documentation to build a relayer on 0x.',
+        keywords: '',
+    },
+    ABOUT: {
+        title: '0x: Our Mission and Values',
+        description: 'As more assets become tokenized, 0x provides the critical exchange layer in a new financial stack that is more efficient, transparent, and equitable than any system in the past.',
+        keywords: '',
+    },
+    TEAM: {
+        title: '0x: Our Team',
+        description: 'The 0x Core Team is passionate about accelerating the adoption decentralized technology and believe in its potential to be an equalizing force in the world. Join us and do the most impactful work of your life.',
+        keywords: '',
+    },
+    PRESS: {
+        title: '0x: Press Highlights',
+        description: '0x has been featured in major publications such as Forbes, Fortune, VentureBeat, and TechCrunch.',
+        keywords: '',
+    },
+    JOBS: {
+        title: 'Jobs at 0x',
+        description: 'Join us in building infrastructure upon which the exchange of all tokenized assets will take place.',
+        keywords: '',
+    },
+    ECOSYSTEM_PROGRAM: {
+        title: '0x Ecosystem Acceleration Program: Jumpstart your Business on 0x',
+        description: 'The Ecosystem Acceleration Program gives teams access to a variety of services including funding, dedicated technical support, and recruiting assistance.',
+        keywords: '',
+    },
+    MARKET_MAKER_PROGRAM: {
+        title: '0x Market Maker Program: Bring liquidity to the markets of the future',
+        description: 'The Market Making Program provides a set of resources that help onboard MMs to bring liquidity to the 0x network. The Program includes tutorials, monetary incentives, and 1:1 support from the 0x team.',
+        keywords: '',
+    },
+    INFRASTRUCTURE_CREDITS: {
+        title: 'Free Credits - 0x',
+        description: '',
+        keywords: '',
+    },
+};

From bc7e62db9f4dd3f70d6f8cbb9cdecd01a5b4d278 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 20 Feb 2019 11:40:49 -0800
Subject: [PATCH 19/27] Throw error if cannot find error in table

---
 .../1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
index 38c764b46c..1d3b3c3ab5 100644
--- a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
+++ b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
@@ -24,6 +24,8 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
                     DROP CONSTRAINT "token_orderbook_snapshots_pkey1",
                     ADD PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol, maker_address);
             `);
+        } else {
+            throw new Error(`Could not find table with name ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}`);
         }
     }
 
@@ -31,6 +33,8 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
         const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
         if (snapshotTable) {
             await queryRunner.dropColumn(snapshotTable, NEW_COLUMN_NAME);
+        } else {
+            throw new Error(`Could not find table with name ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}`);
         }
     }
 }

From ef5195db901a5ba2546c98f08d26200c8cb0d5b6 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 20 Feb 2019 11:43:32 -0800
Subject: [PATCH 20/27] Fix marquee typo

---
 packages/pipeline/src/parsers/ddex_orders/index.ts    | 2 +-
 packages/pipeline/src/parsers/idex_orders/index.ts    | 2 +-
 packages/pipeline/src/parsers/oasis_orders/index.ts   | 2 +-
 packages/pipeline/src/parsers/paradex_orders/index.ts | 2 +-
 packages/pipeline/src/parsers/radar_orders/index.ts   | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/packages/pipeline/src/parsers/ddex_orders/index.ts b/packages/pipeline/src/parsers/ddex_orders/index.ts
index 7e9bbb18aa..8fe3c32bfd 100644
--- a/packages/pipeline/src/parsers/ddex_orders/index.ts
+++ b/packages/pipeline/src/parsers/ddex_orders/index.ts
@@ -7,7 +7,7 @@ import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
 /**
- * Marque function of this file.
+ * Marquee function of this file.
  * 1) Takes in orders from an orderbook,
  * other information attached.
  * @param ddexOrderbook A raw orderbook that we pull from the Ddex API.
diff --git a/packages/pipeline/src/parsers/idex_orders/index.ts b/packages/pipeline/src/parsers/idex_orders/index.ts
index 8620236b89..da66d7c13d 100644
--- a/packages/pipeline/src/parsers/idex_orders/index.ts
+++ b/packages/pipeline/src/parsers/idex_orders/index.ts
@@ -7,7 +7,7 @@ import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
 /**
- * Marque function of this file.
+ * Marquee function of this file.
  * 1) Takes in orders from an orderbook,
  * 2) Aggregates them by price point,
  * 3) Parses them into entities which are then saved into the database.
diff --git a/packages/pipeline/src/parsers/oasis_orders/index.ts b/packages/pipeline/src/parsers/oasis_orders/index.ts
index 145a547c0b..bb3ca97fa6 100644
--- a/packages/pipeline/src/parsers/oasis_orders/index.ts
+++ b/packages/pipeline/src/parsers/oasis_orders/index.ts
@@ -8,7 +8,7 @@ import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
 /**
- * Marque function of this file.
+ * Marquee function of this file.
  * 1) Takes in orders from an orderbook,
  * 2) Aggregates them according to price point,
  * 3) Builds TokenOrder entity with other information attached.
diff --git a/packages/pipeline/src/parsers/paradex_orders/index.ts b/packages/pipeline/src/parsers/paradex_orders/index.ts
index 5f41d9676c..20e442d5a9 100644
--- a/packages/pipeline/src/parsers/paradex_orders/index.ts
+++ b/packages/pipeline/src/parsers/paradex_orders/index.ts
@@ -5,7 +5,7 @@ import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
 /**
- * Marque function of this file.
+ * Marquee function of this file.
  * 1) Takes in orders from an orderbook (orders are already aggregated by price point),
  * 2) For each aggregated order, forms a TokenOrder entity with market data and
  * other information attached.
diff --git a/packages/pipeline/src/parsers/radar_orders/index.ts b/packages/pipeline/src/parsers/radar_orders/index.ts
index 48b16fe3fd..20472766d1 100644
--- a/packages/pipeline/src/parsers/radar_orders/index.ts
+++ b/packages/pipeline/src/parsers/radar_orders/index.ts
@@ -15,7 +15,7 @@ export interface AggregateOrdersByMaker {
 }
 
 /**
- * Marque function of this file.
+ * Marquee function of this file.
  * 1) Takes in orders from an orderbook,
  * other information attached.
  * @param radarOrderbook A raw orderbook that we pull from the radar API.

From 4952cd5afb0505e5b3f73ba373372cf941c04e19 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 20 Feb 2019 13:45:14 -0800
Subject: [PATCH 21/27] Factor out redundant source param in parse order
 functions

---
 .../pipeline/src/parsers/ddex_orders/index.ts   | 15 ++++-----------
 .../pipeline/src/parsers/idex_orders/index.ts   | 17 +++++------------
 .../pipeline/src/parsers/oasis_orders/index.ts  | 11 ++++-------
 .../src/parsers/paradex_orders/index.ts         | 12 ++++--------
 .../pipeline/src/parsers/radar_orders/index.ts  | 11 ++++-------
 .../scripts/pull_ddex_orderbook_snapshots.ts    |  4 ++--
 .../scripts/pull_idex_orderbook_snapshots.ts    |  4 ++--
 .../scripts/pull_oasis_orderbook_snapshots.ts   |  4 ++--
 .../scripts/pull_paradex_orderbook_snapshots.ts |  3 +--
 .../scripts/pull_radar_orderbook_snapshots.ts   |  4 ++--
 .../test/data_sources/radar/index_test.ts       |  1 -
 .../test/parsers/ddex_orders/index_test.ts      |  3 +--
 .../test/parsers/idex_orders/index_test.ts      |  6 ++----
 .../test/parsers/oasis_orders/index_test.ts     |  3 +--
 .../test/parsers/paradex_orders/index_test.ts   |  3 +--
 .../test/parsers/radar_orders/index_test.ts     |  5 ++---
 16 files changed, 37 insertions(+), 69 deletions(-)

diff --git a/packages/pipeline/src/parsers/ddex_orders/index.ts b/packages/pipeline/src/parsers/ddex_orders/index.ts
index 8fe3c32bfd..6c98c32254 100644
--- a/packages/pipeline/src/parsers/ddex_orders/index.ts
+++ b/packages/pipeline/src/parsers/ddex_orders/index.ts
@@ -2,7 +2,7 @@ import { BigNumber } from '@0x/utils';
 
 import { aggregateOrders } from '../utils';
 
-import { DdexMarket, DdexOrderbook } from '../../data_sources/ddex';
+import { DDEX_SOURCE, DdexMarket, DdexOrderbook } from '../../data_sources/ddex';
 import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
@@ -13,22 +13,16 @@ import { OrderType } from '../../types';
  * @param ddexOrderbook A raw orderbook that we pull from the Ddex API.
  * @param ddexMarket An object containing market data also directly from the API.
  * @param observedTimestamp Time at which the orders for the market were pulled.
- * @param source The exchange where these orders are placed. In this case 'ddex'.
  */
 export function parseDdexOrders(
     ddexOrderbook: DdexOrderbook,
     ddexMarket: DdexMarket,
     observedTimestamp: number,
-    source: string,
 ): TokenOrder[] {
     const aggregatedBids = aggregateOrders(ddexOrderbook.bids);
     const aggregatedAsks = aggregateOrders(ddexOrderbook.asks);
-    const parsedBids = aggregatedBids.map(order =>
-        parseDdexOrder(ddexMarket, observedTimestamp, OrderType.Bid, source, order),
-    );
-    const parsedAsks = aggregatedAsks.map(order =>
-        parseDdexOrder(ddexMarket, observedTimestamp, OrderType.Ask, source, order),
-    );
+    const parsedBids = aggregatedBids.map(order => parseDdexOrder(ddexMarket, observedTimestamp, OrderType.Bid, order));
+    const parsedAsks = aggregatedAsks.map(order => parseDdexOrder(ddexMarket, observedTimestamp, OrderType.Ask, order));
     return parsedBids.concat(parsedAsks);
 }
 
@@ -46,14 +40,13 @@ export function parseDdexOrder(
     ddexMarket: DdexMarket,
     observedTimestamp: number,
     orderType: OrderType,
-    source: string,
     ddexOrder: [string, BigNumber],
 ): TokenOrder {
     const tokenOrder = new TokenOrder();
     const price = new BigNumber(ddexOrder[0]);
     const amount = ddexOrder[1];
 
-    tokenOrder.source = source;
+    tokenOrder.source = DDEX_SOURCE;
     tokenOrder.observedTimestamp = observedTimestamp;
     tokenOrder.orderType = orderType;
     tokenOrder.price = price;
diff --git a/packages/pipeline/src/parsers/idex_orders/index.ts b/packages/pipeline/src/parsers/idex_orders/index.ts
index da66d7c13d..b151fda59d 100644
--- a/packages/pipeline/src/parsers/idex_orders/index.ts
+++ b/packages/pipeline/src/parsers/idex_orders/index.ts
@@ -2,7 +2,7 @@ import { BigNumber } from '@0x/utils';
 
 import { aggregateOrders } from '../utils';
 
-import { IdexOrderbook, IdexOrderParam } from '../../data_sources/idex';
+import { IDEX_SOURCE, IdexOrderbook, IdexOrderParam } from '../../data_sources/idex';
 import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
@@ -13,17 +13,14 @@ import { OrderType } from '../../types';
  * 3) Parses them into entities which are then saved into the database.
  * @param idexOrderbook raw orderbook that we pull from the Idex API.
  * @param observedTimestamp Time at which the orders for the market were pulled.
- * @param source The exchange where these orders are placed. In this case 'idex'.
  */
-export function parseIdexOrders(idexOrderbook: IdexOrderbook, observedTimestamp: number, source: string): TokenOrder[] {
+export function parseIdexOrders(idexOrderbook: IdexOrderbook, observedTimestamp: number): TokenOrder[] {
     const aggregatedBids = aggregateOrders(idexOrderbook.bids);
     // Any of the bid orders' params will work
     const idexBidOrder = idexOrderbook.bids[0];
     const parsedBids =
         aggregatedBids.length > 0
-            ? aggregatedBids.map(order =>
-                  parseIdexOrder(idexBidOrder.params, observedTimestamp, OrderType.Bid, source, order),
-              )
+            ? aggregatedBids.map(order => parseIdexOrder(idexBidOrder.params, observedTimestamp, OrderType.Bid, order))
             : [];
 
     const aggregatedAsks = aggregateOrders(idexOrderbook.asks);
@@ -31,9 +28,7 @@ export function parseIdexOrders(idexOrderbook: IdexOrderbook, observedTimestamp:
     const idexAskOrder = idexOrderbook.asks[0];
     const parsedAsks =
         aggregatedAsks.length > 0
-            ? aggregatedAsks.map(order =>
-                  parseIdexOrder(idexAskOrder.params, observedTimestamp, OrderType.Ask, source, order),
-              )
+            ? aggregatedAsks.map(order => parseIdexOrder(idexAskOrder.params, observedTimestamp, OrderType.Ask, order))
             : [];
     return parsedBids.concat(parsedAsks);
 }
@@ -45,21 +40,19 @@ export function parseIdexOrders(idexOrderbook: IdexOrderbook, observedTimestamp:
  * trades have been placed.
  * @param observedTimestamp The time when the API response returned back to us.
  * @param orderType 'bid' or 'ask' enum.
- * @param source Exchange where these orders were placed.
  * @param idexOrder A <price, amount> tuple which we will convert to volume-basis.
  */
 export function parseIdexOrder(
     idexOrderParam: IdexOrderParam,
     observedTimestamp: number,
     orderType: OrderType,
-    source: string,
     idexOrder: [string, BigNumber],
 ): TokenOrder {
     const tokenOrder = new TokenOrder();
     const price = new BigNumber(idexOrder[0]);
     const amount = idexOrder[1];
 
-    tokenOrder.source = source;
+    tokenOrder.source = IDEX_SOURCE;
     tokenOrder.observedTimestamp = observedTimestamp;
     tokenOrder.orderType = orderType;
     tokenOrder.price = price;
diff --git a/packages/pipeline/src/parsers/oasis_orders/index.ts b/packages/pipeline/src/parsers/oasis_orders/index.ts
index bb3ca97fa6..25ec002d34 100644
--- a/packages/pipeline/src/parsers/oasis_orders/index.ts
+++ b/packages/pipeline/src/parsers/oasis_orders/index.ts
@@ -3,7 +3,7 @@ import * as R from 'ramda';
 
 import { aggregateOrders } from '../utils';
 
-import { OasisMarket, OasisOrder } from '../../data_sources/oasis';
+import { OASIS_SOURCE, OasisMarket, OasisOrder } from '../../data_sources/oasis';
 import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
@@ -15,21 +15,19 @@ import { OrderType } from '../../types';
  * @param oasisOrderbook A raw orderbook that we pull from the Oasis API.
  * @param oasisMarket An object containing market data also directly from the API.
  * @param observedTimestamp Time at which the orders for the market were pulled.
- * @param source The exchange where these orders are placed. In this case 'oasis'.
  */
 export function parseOasisOrders(
     oasisOrderbook: OasisOrder[],
     oasisMarket: OasisMarket,
     observedTimestamp: number,
-    source: string,
 ): TokenOrder[] {
     const aggregatedBids = aggregateOrders(R.filter(R.propEq('act', OrderType.Bid), oasisOrderbook));
     const aggregatedAsks = aggregateOrders(R.filter(R.propEq('act', OrderType.Ask), oasisOrderbook));
     const parsedBids = aggregatedBids.map(order =>
-        parseOasisOrder(oasisMarket, observedTimestamp, OrderType.Bid, source, order),
+        parseOasisOrder(oasisMarket, observedTimestamp, OrderType.Bid, order),
     );
     const parsedAsks = aggregatedAsks.map(order =>
-        parseOasisOrder(oasisMarket, observedTimestamp, OrderType.Ask, source, order),
+        parseOasisOrder(oasisMarket, observedTimestamp, OrderType.Ask, order),
     );
     return parsedBids.concat(parsedAsks);
 }
@@ -48,14 +46,13 @@ export function parseOasisOrder(
     oasisMarket: OasisMarket,
     observedTimestamp: number,
     orderType: OrderType,
-    source: string,
     oasisOrder: [string, BigNumber],
 ): TokenOrder {
     const tokenOrder = new TokenOrder();
     const price = new BigNumber(oasisOrder[0]);
     const amount = oasisOrder[1];
 
-    tokenOrder.source = source;
+    tokenOrder.source = OASIS_SOURCE;
     tokenOrder.observedTimestamp = observedTimestamp;
     tokenOrder.orderType = orderType;
     tokenOrder.price = price;
diff --git a/packages/pipeline/src/parsers/paradex_orders/index.ts b/packages/pipeline/src/parsers/paradex_orders/index.ts
index 20e442d5a9..756bb353f1 100644
--- a/packages/pipeline/src/parsers/paradex_orders/index.ts
+++ b/packages/pipeline/src/parsers/paradex_orders/index.ts
@@ -1,6 +1,6 @@
 import { BigNumber } from '@0x/utils';
 
-import { ParadexMarket, ParadexOrder, ParadexOrderbookResponse } from '../../data_sources/paradex';
+import { PARADEX_SOURCE, ParadexMarket, ParadexOrder, ParadexOrderbookResponse } from '../../data_sources/paradex';
 import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
@@ -12,19 +12,17 @@ import { OrderType } from '../../types';
  * @param paradexOrderbookResponse An orderbook response from the Paradex API.
  * @param paradexMarket An object containing market data also directly from the API.
  * @param observedTimestamp Time at which the orders for the market were pulled.
- * @param source The exchange where these orders are placed. In this case 'paradex'.
  */
 export function parseParadexOrders(
     paradexOrderbookResponse: ParadexOrderbookResponse,
     paradexMarket: ParadexMarket,
     observedTimestamp: number,
-    source: string,
 ): TokenOrder[] {
     const parsedBids = paradexOrderbookResponse.bids.map(order =>
-        parseParadexOrder(paradexMarket, observedTimestamp, OrderType.Bid, source, order),
+        parseParadexOrder(paradexMarket, observedTimestamp, OrderType.Bid, order),
     );
     const parsedAsks = paradexOrderbookResponse.asks.map(order =>
-        parseParadexOrder(paradexMarket, observedTimestamp, OrderType.Ask, source, order),
+        parseParadexOrder(paradexMarket, observedTimestamp, OrderType.Ask, order),
     );
     return parsedBids.concat(parsedAsks);
 }
@@ -36,21 +34,19 @@ export function parseParadexOrders(
  * orders have been placed.
  * @param observedTimestamp The time when the API response returned back to us.
  * @param orderType 'bid' or 'ask' enum.
- * @param source Exchange where these orders were placed.
  * @param paradexOrder A ParadexOrder object; basically price, amount tuple.
  */
 export function parseParadexOrder(
     paradexMarket: ParadexMarket,
     observedTimestamp: number,
     orderType: OrderType,
-    source: string,
     paradexOrder: ParadexOrder,
 ): TokenOrder {
     const tokenOrder = new TokenOrder();
     const price = new BigNumber(paradexOrder.price);
     const amount = new BigNumber(paradexOrder.amount);
 
-    tokenOrder.source = source;
+    tokenOrder.source = PARADEX_SOURCE;
     tokenOrder.observedTimestamp = observedTimestamp;
     tokenOrder.orderType = orderType;
     tokenOrder.price = price;
diff --git a/packages/pipeline/src/parsers/radar_orders/index.ts b/packages/pipeline/src/parsers/radar_orders/index.ts
index 20472766d1..6ecedc0c36 100644
--- a/packages/pipeline/src/parsers/radar_orders/index.ts
+++ b/packages/pipeline/src/parsers/radar_orders/index.ts
@@ -5,6 +5,7 @@ import * as R from 'ramda';
 
 import { aggregateOrders, GenericRawOrder } from '../utils';
 
+import { RADAR_SOURCE } from '../../data_sources/radar';
 import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
 import { OrderType } from '../../types';
 
@@ -21,21 +22,19 @@ export interface AggregateOrdersByMaker {
  * @param radarOrderbook A raw orderbook that we pull from the radar API.
  * @param radarMarket An object containing market data also directly from the API.
  * @param observedTimestamp Time at which the orders for the market were pulled.
- * @param source The exchange where these orders are placed. In this case 'radar'.
  */
 export function parseRadarOrders(
     radarOrderbook: RadarBook,
     radarMarket: RadarMarket,
     observedTimestamp: number,
-    source: string,
 ): TokenOrder[] {
     const aggregatedBids = _aggregateOrdersByMaker(radarMarket, radarOrderbook.bids);
     const aggregatedAsks = _aggregateOrdersByMaker(radarMarket, radarOrderbook.asks);
     const parsedBids = aggregatedBids.map(order =>
-        parseRadarOrder(radarMarket, observedTimestamp, OrderType.Bid, source, order),
+        parseRadarOrder(radarMarket, observedTimestamp, OrderType.Bid, order),
     );
     const parsedAsks = aggregatedAsks.map(order =>
-        parseRadarOrder(radarMarket, observedTimestamp, OrderType.Ask, source, order),
+        parseRadarOrder(radarMarket, observedTimestamp, OrderType.Ask, order),
     );
     return parsedBids.concat(parsedAsks);
 }
@@ -47,14 +46,12 @@ export function parseRadarOrders(
  * trades have been placed.
  * @param observedTimestamp The time when the API response returned back to us.
  * @param orderType 'bid' or 'ask' enum.
- * @param source Exchange where these orders were placed.
  * @param aggregateOrder An AggregateOrdersByMaker instance which we will convert to volume-basis.
  */
 export function parseRadarOrder(
     radarMarket: RadarMarket,
     observedTimestamp: number,
     orderType: OrderType,
-    source: string,
     aggregateOrder: AggregateOrdersByMaker,
 ): TokenOrder {
     const tokenOrder = new TokenOrder();
@@ -62,7 +59,7 @@ export function parseRadarOrder(
     const amount = aggregateOrder.amount;
     const splitId = radarMarket.id.split('-');
 
-    tokenOrder.source = source;
+    tokenOrder.source = RADAR_SOURCE;
     tokenOrder.observedTimestamp = observedTimestamp;
     tokenOrder.orderType = orderType;
     tokenOrder.price = price;
diff --git a/packages/pipeline/src/scripts/pull_ddex_orderbook_snapshots.ts b/packages/pipeline/src/scripts/pull_ddex_orderbook_snapshots.ts
index 4e00f258f3..96d82be5a2 100644
--- a/packages/pipeline/src/scripts/pull_ddex_orderbook_snapshots.ts
+++ b/packages/pipeline/src/scripts/pull_ddex_orderbook_snapshots.ts
@@ -2,7 +2,7 @@ import { logUtils } from '@0x/utils';
 import * as R from 'ramda';
 import { Connection, ConnectionOptions, createConnection } from 'typeorm';
 
-import { DDEX_SOURCE, DdexMarket, DdexSource } from '../data_sources/ddex';
+import { DdexMarket, DdexSource } from '../data_sources/ddex';
 import { TokenOrderbookSnapshot as TokenOrder } from '../entities';
 import * as ormConfig from '../ormconfig';
 import { parseDdexOrders } from '../parsers/ddex_orders';
@@ -43,7 +43,7 @@ async function getAndSaveMarketOrderbookAsync(ddexSource: DdexSource, market: Dd
     const observedTimestamp = Date.now();
 
     logUtils.log(`${market.id}: Parsing orders.`);
-    const orders = parseDdexOrders(orderBook, market, observedTimestamp, DDEX_SOURCE);
+    const orders = parseDdexOrders(orderBook, market, observedTimestamp);
 
     if (orders.length > 0) {
         logUtils.log(`${market.id}: Saving ${orders.length} orders.`);
diff --git a/packages/pipeline/src/scripts/pull_idex_orderbook_snapshots.ts b/packages/pipeline/src/scripts/pull_idex_orderbook_snapshots.ts
index 490b17766c..42e9fa5f09 100644
--- a/packages/pipeline/src/scripts/pull_idex_orderbook_snapshots.ts
+++ b/packages/pipeline/src/scripts/pull_idex_orderbook_snapshots.ts
@@ -2,7 +2,7 @@ import { logUtils } from '@0x/utils';
 import * as R from 'ramda';
 import { Connection, ConnectionOptions, createConnection } from 'typeorm';
 
-import { IDEX_SOURCE, IdexSource } from '../data_sources/idex';
+import { IdexSource } from '../data_sources/idex';
 import { TokenOrderbookSnapshot as TokenOrder } from '../entities';
 import * as ormConfig from '../ormconfig';
 import { parseIdexOrders } from '../parsers/idex_orders';
@@ -51,7 +51,7 @@ async function getAndSaveMarketOrderbookAsync(idexSource: IdexSource, marketId:
     }
 
     logUtils.log(`${marketId}: Parsing orders.`);
-    const orders = parseIdexOrders(orderBook, observedTimestamp, IDEX_SOURCE);
+    const orders = parseIdexOrders(orderBook, observedTimestamp);
 
     if (orders.length > 0) {
         logUtils.log(`${marketId}: Saving ${orders.length} orders.`);
diff --git a/packages/pipeline/src/scripts/pull_oasis_orderbook_snapshots.ts b/packages/pipeline/src/scripts/pull_oasis_orderbook_snapshots.ts
index c4dcf6c83d..c3c286a0f9 100644
--- a/packages/pipeline/src/scripts/pull_oasis_orderbook_snapshots.ts
+++ b/packages/pipeline/src/scripts/pull_oasis_orderbook_snapshots.ts
@@ -2,7 +2,7 @@ import { logUtils } from '@0x/utils';
 import * as R from 'ramda';
 import { Connection, ConnectionOptions, createConnection } from 'typeorm';
 
-import { OASIS_SOURCE, OasisMarket, OasisSource } from '../data_sources/oasis';
+import { OasisMarket, OasisSource } from '../data_sources/oasis';
 import { TokenOrderbookSnapshot as TokenOrder } from '../entities';
 import * as ormConfig from '../ormconfig';
 import { parseOasisOrders } from '../parsers/oasis_orders';
@@ -46,7 +46,7 @@ async function getAndSaveMarketOrderbookAsync(oasisSource: OasisSource, market:
     const observedTimestamp = Date.now();
 
     logUtils.log(`${market.id}: Parsing orders.`);
-    const orders = parseOasisOrders(orderBook, market, observedTimestamp, OASIS_SOURCE);
+    const orders = parseOasisOrders(orderBook, market, observedTimestamp);
 
     if (orders.length > 0) {
         logUtils.log(`${market.id}: Saving ${orders.length} orders.`);
diff --git a/packages/pipeline/src/scripts/pull_paradex_orderbook_snapshots.ts b/packages/pipeline/src/scripts/pull_paradex_orderbook_snapshots.ts
index 34345f3557..7fc565ca04 100644
--- a/packages/pipeline/src/scripts/pull_paradex_orderbook_snapshots.ts
+++ b/packages/pipeline/src/scripts/pull_paradex_orderbook_snapshots.ts
@@ -2,7 +2,6 @@ import { logUtils } from '@0x/utils';
 import { Connection, ConnectionOptions, createConnection } from 'typeorm';
 
 import {
-    PARADEX_SOURCE,
     ParadexActiveMarketsResponse,
     ParadexMarket,
     ParadexSource,
@@ -75,7 +74,7 @@ async function getAndSaveMarketOrderbookAsync(paradexSource: ParadexSource, mark
     const observedTimestamp = Date.now();
 
     logUtils.log(`${market.symbol}: Parsing orders.`);
-    const orders = parseParadexOrders(paradexOrderbookResponse, market, observedTimestamp, PARADEX_SOURCE);
+    const orders = parseParadexOrders(paradexOrderbookResponse, market, observedTimestamp);
 
     if (orders.length > 0) {
         logUtils.log(`${market.symbol}: Saving ${orders.length} orders.`);
diff --git a/packages/pipeline/src/scripts/pull_radar_orderbook_snapshots.ts b/packages/pipeline/src/scripts/pull_radar_orderbook_snapshots.ts
index 91d33d2cc9..18f5a54b20 100644
--- a/packages/pipeline/src/scripts/pull_radar_orderbook_snapshots.ts
+++ b/packages/pipeline/src/scripts/pull_radar_orderbook_snapshots.ts
@@ -3,7 +3,7 @@ import { RadarMarket } from '@radarrelay/types';
 import * as R from 'ramda';
 import { Connection, ConnectionOptions, createConnection } from 'typeorm';
 
-import { RADAR_SOURCE, RadarSource } from '../data_sources/radar';
+import { RadarSource } from '../data_sources/radar';
 import { TokenOrderbookSnapshot as TokenOrder } from '../entities';
 import * as ormConfig from '../ormconfig';
 import { parseRadarOrders } from '../parsers/radar_orders';
@@ -44,7 +44,7 @@ async function getAndSaveMarketOrderbookAsync(radarSource: RadarSource, market:
     const observedTimestamp = Date.now();
 
     logUtils.log(`${market.id}: Parsing orders.`);
-    const orders = parseRadarOrders(orderBook, market, observedTimestamp, RADAR_SOURCE);
+    const orders = parseRadarOrders(orderBook, market, observedTimestamp);
 
     if (orders.length > 0) {
         logUtils.log(`${market.id}: Saving ${orders.length} orders.`);
diff --git a/packages/pipeline/test/data_sources/radar/index_test.ts b/packages/pipeline/test/data_sources/radar/index_test.ts
index 9a1eacb164..8d82ff6bf5 100644
--- a/packages/pipeline/test/data_sources/radar/index_test.ts
+++ b/packages/pipeline/test/data_sources/radar/index_test.ts
@@ -2,7 +2,6 @@ import { BigNumber } from '@0x/utils';
 import { RadarOrderState, RadarOrderType } from '@radarrelay/types';
 import * as chai from 'chai';
 import 'mocha';
-import * as R from 'ramda';
 
 import { RadarSource } from '../../../src/data_sources/radar';
 import { chaiSetup } from '../../utils/chai_setup';
diff --git a/packages/pipeline/test/parsers/ddex_orders/index_test.ts b/packages/pipeline/test/parsers/ddex_orders/index_test.ts
index 7eb74ed09e..de71c9c26f 100644
--- a/packages/pipeline/test/parsers/ddex_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/ddex_orders/index_test.ts
@@ -31,7 +31,6 @@ describe('ddex_orders', () => {
             };
             const observedTimestamp: number = Date.now();
             const orderType: OrderType = OrderType.Bid;
-            const source: string = 'ddex';
 
             const expected = new TokenOrder();
             expected.source = 'ddex';
@@ -45,7 +44,7 @@ describe('ddex_orders', () => {
             expected.baseAssetAddress = '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81';
             expected.baseVolume = new BigNumber(10);
             expected.makerAddress = 'unknown';
-            const actual = parseDdexOrder(ddexMarket, observedTimestamp, orderType, source, ddexOrder);
+            const actual = parseDdexOrder(ddexMarket, observedTimestamp, orderType, ddexOrder);
             expect(actual).deep.equal(expected);
         });
     });
diff --git a/packages/pipeline/test/parsers/idex_orders/index_test.ts b/packages/pipeline/test/parsers/idex_orders/index_test.ts
index 0c7c642ce2..7ba3adbaea 100644
--- a/packages/pipeline/test/parsers/idex_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/idex_orders/index_test.ts
@@ -32,7 +32,6 @@ describe('idex_orders', () => {
             };
             const observedTimestamp: number = Date.now();
             const orderType: OrderType = OrderType.Bid;
-            const source: string = 'idex';
 
             const expected = new TokenOrder();
             expected.source = 'idex';
@@ -46,7 +45,7 @@ describe('idex_orders', () => {
             expected.quoteAssetAddress = '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81';
             expected.quoteVolume = new BigNumber(5);
             expected.makerAddress = 'unknown';
-            const actual = parseIdexOrder(idexOrderParam, observedTimestamp, orderType, source, idexOrder);
+            const actual = parseIdexOrder(idexOrderParam, observedTimestamp, orderType, idexOrder);
             expect(actual).deep.equal(expected);
         });
         it('correctly converts ask type idexOrder to TokenOrder entity', () => {
@@ -66,7 +65,6 @@ describe('idex_orders', () => {
             };
             const observedTimestamp: number = Date.now();
             const orderType: OrderType = OrderType.Ask;
-            const source: string = 'idex';
 
             const expected = new TokenOrder();
             expected.source = 'idex';
@@ -80,7 +78,7 @@ describe('idex_orders', () => {
             expected.quoteAssetAddress = '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81';
             expected.quoteVolume = new BigNumber(5);
             expected.makerAddress = 'unknown';
-            const actual = parseIdexOrder(idexOrderParam, observedTimestamp, orderType, source, idexOrder);
+            const actual = parseIdexOrder(idexOrderParam, observedTimestamp, orderType, idexOrder);
             expect(actual).deep.equal(expected);
         });
     });
diff --git a/packages/pipeline/test/parsers/oasis_orders/index_test.ts b/packages/pipeline/test/parsers/oasis_orders/index_test.ts
index 7ef86ee10c..08ff1ef450 100644
--- a/packages/pipeline/test/parsers/oasis_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/oasis_orders/index_test.ts
@@ -28,7 +28,6 @@ describe('oasis_orders', () => {
             };
             const observedTimestamp: number = Date.now();
             const orderType: OrderType = OrderType.Bid;
-            const source: string = 'oasis';
 
             const expected = new TokenOrder();
             expected.source = 'oasis';
@@ -42,7 +41,7 @@ describe('oasis_orders', () => {
             expected.quoteAssetAddress = null;
             expected.quoteVolume = new BigNumber(5);
             expected.makerAddress = 'unknown';
-            const actual = parseOasisOrder(oasisMarket, observedTimestamp, orderType, source, oasisOrder);
+            const actual = parseOasisOrder(oasisMarket, observedTimestamp, orderType, oasisOrder);
             expect(actual).deep.equal(expected);
         });
     });
diff --git a/packages/pipeline/test/parsers/paradex_orders/index_test.ts b/packages/pipeline/test/parsers/paradex_orders/index_test.ts
index 10ac1ecdc9..5379153387 100644
--- a/packages/pipeline/test/parsers/paradex_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/paradex_orders/index_test.ts
@@ -33,7 +33,6 @@ describe('paradex_orders', () => {
             };
             const observedTimestamp: number = Date.now();
             const orderType: OrderType = OrderType.Bid;
-            const source: string = 'paradex';
 
             const expected = new TokenOrder();
             expected.source = 'paradex';
@@ -47,7 +46,7 @@ describe('paradex_orders', () => {
             expected.quoteAssetAddress = '0x0000000000000000000000000000000000000000';
             expected.quoteVolume = new BigNumber(412 * 0.1245);
             expected.makerAddress = 'unknown';
-            const actual = parseParadexOrder(paradexMarket, observedTimestamp, orderType, source, paradexOrder);
+            const actual = parseParadexOrder(paradexMarket, observedTimestamp, orderType, paradexOrder);
             expect(actual).deep.equal(expected);
         });
     });
diff --git a/packages/pipeline/test/parsers/radar_orders/index_test.ts b/packages/pipeline/test/parsers/radar_orders/index_test.ts
index e3004d7c2a..29ae41a00d 100644
--- a/packages/pipeline/test/parsers/radar_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/radar_orders/index_test.ts
@@ -1,5 +1,5 @@
 import { BigNumber } from '@0x/utils';
-import { RadarBook, RadarMarket, RadarSignedOrder } from '@radarrelay/types';
+import { RadarMarket } from '@radarrelay/types';
 import * as chai from 'chai';
 import 'mocha';
 
@@ -35,7 +35,6 @@ describe('radar_orders', () => {
             } as any) as RadarMarket;
             const observedTimestamp: number = Date.now();
             const orderType: OrderType = OrderType.Bid;
-            const source: string = 'radar';
 
             const expected = new TokenOrder();
             expected.source = 'radar';
@@ -49,7 +48,7 @@ describe('radar_orders', () => {
             expected.baseAssetAddress = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2';
             expected.baseVolume = new BigNumber(10000000000);
             expected.makerAddress = '0x6eC92694ea172ebC430C30fa31De87620967A082';
-            const actual = parseRadarOrder(radarMarket, observedTimestamp, orderType, source, radarOrder);
+            const actual = parseRadarOrder(radarMarket, observedTimestamp, orderType, radarOrder);
             expect(actual).deep.equal(expected);
         });
     });

From 871e81bd71625d6048253963d42442c8fa9a9cc4 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 20 Feb 2019 16:03:29 -0800
Subject: [PATCH 22/27] Fix inconsistently named constraint

---
 ...63069315-TokenOrderBookSnapshotsAddMakerAddress.ts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
index 1d3b3c3ab5..695c17a587 100644
--- a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
+++ b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
@@ -21,7 +21,7 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
             `);
             await queryRunner.query(`
                 ALTER TABLE ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}
-                    DROP CONSTRAINT "token_orderbook_snapshots_pkey1",
+                    DROP CONSTRAINT "token_orderbook_snapshots_pkey",
                     ADD PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol, maker_address);
             `);
         } else {
@@ -32,7 +32,14 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
     public async down(queryRunner: QueryRunner): Promise<any> {
         const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
         if (snapshotTable) {
-            await queryRunner.dropColumn(snapshotTable, NEW_COLUMN_NAME);
+            // await queryRunner.dropIndex(snapshotTable, 'token_orderbook_snapshots_pkey');
+            // await queryRunner.dropColumn(snapshotTable, NEW_COLUMN_NAME);
+            await queryRunner.query(`
+                ALTER TABLE ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}
+                    DROP CONSTRAINT "token_orderbook_snapshots_pkey",
+                    DROP COLUMN ${NEW_COLUMN_NAME},
+                    ADD PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol);
+            `);
         } else {
             throw new Error(`Could not find table with name ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}`);
         }

From 998dac44ee76ae60acb69a5c40f8538beae06f31 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 20 Feb 2019 16:09:33 -0800
Subject: [PATCH 23/27] Remove comments

---
 .../1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts     | 2 --
 1 file changed, 2 deletions(-)

diff --git a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
index 695c17a587..581fd92e5c 100644
--- a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
+++ b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
@@ -32,8 +32,6 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
     public async down(queryRunner: QueryRunner): Promise<any> {
         const snapshotTable = await queryRunner.getTable(TOKEN_ORDERBOOK_SNAPSHOT_TABLE);
         if (snapshotTable) {
-            // await queryRunner.dropIndex(snapshotTable, 'token_orderbook_snapshots_pkey');
-            // await queryRunner.dropColumn(snapshotTable, NEW_COLUMN_NAME);
             await queryRunner.query(`
                 ALTER TABLE ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}
                     DROP CONSTRAINT "token_orderbook_snapshots_pkey",

From a076278026fe4f65ce8f30f7db5e50c365747e1c Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 20 Feb 2019 16:37:44 -0800
Subject: [PATCH 24/27] Give the constraint an explicit name of
 token_orderbook_snapshots_pkey

---
 .../1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
index 581fd92e5c..56738ed884 100644
--- a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
+++ b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
@@ -22,7 +22,7 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
             await queryRunner.query(`
                 ALTER TABLE ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}
                     DROP CONSTRAINT "token_orderbook_snapshots_pkey",
-                    ADD PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol, maker_address);
+                    ADD CONSTRAINT "token_orderbook_snapshots_pkey" PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol, maker_address);
             `);
         } else {
             throw new Error(`Could not find table with name ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}`);

From 8d9a55010722bf35efcc20dc8a0f79483b7c0913 Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 20 Feb 2019 17:01:02 -0800
Subject: [PATCH 25/27] Add constraint name to down phase as well

---
 .../1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
index 56738ed884..7eba2fab6f 100644
--- a/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
+++ b/packages/pipeline/migrations/1550163069315-TokenOrderBookSnapshotsAddMakerAddress.ts
@@ -36,7 +36,7 @@ export class TokenOrderBookSnapshotsAddMakerAddress1550163069315 implements Migr
                 ALTER TABLE ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}
                     DROP CONSTRAINT "token_orderbook_snapshots_pkey",
                     DROP COLUMN ${NEW_COLUMN_NAME},
-                    ADD PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol);
+                    ADD CONSTRAINT "token_orderbook_snapshots_pkey" PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol);
             `);
         } else {
             throw new Error(`Could not find table with name ${TOKEN_ORDERBOOK_SNAPSHOT_TABLE}`);

From 0ddec99704036afe0d20a29da621b3336298507e Mon Sep 17 00:00:00 2001
From: David Sun <dvsuner@protonmail.com>
Date: Tue, 19 Feb 2019 23:57:34 -0500
Subject: [PATCH 26/27] updated documentTitle component

---
 .../website/ts/components/documentTitle.tsx   | 12 ---
 .../website/ts/components/document_title.tsx  | 15 ++++
 .../website/ts/components/portal/portal.tsx   |  2 -
 .../website/ts/document_meta_constants.tsx    | 63 -------------
 packages/website/ts/pages/about/jobs.tsx      |  5 +-
 packages/website/ts/pages/about/mission.tsx   |  5 +-
 packages/website/ts/pages/about/press.tsx     |  5 +-
 packages/website/ts/pages/about/team.tsx      |  5 +-
 packages/website/ts/pages/credits.tsx         |  5 +-
 .../pages/documentation/developers_page.tsx   |  5 +-
 packages/website/ts/pages/ecosystem.tsx       |  5 +-
 packages/website/ts/pages/faq/faq.tsx         |  5 +-
 .../ts/pages/governance/governance.tsx        |  5 +-
 packages/website/ts/pages/instant.tsx         |  5 +-
 packages/website/ts/pages/landing.tsx         |  5 +-
 packages/website/ts/pages/launch_kit.tsx      | 13 ++-
 packages/website/ts/pages/market_maker.tsx    |  5 +-
 .../website/ts/pages/vote_placeholder.tsx     |  5 +-
 packages/website/ts/pages/why.tsx             |  5 +-
 .../ts/utils/document_meta_constants.tsx      | 89 +++++++++++++++++++
 20 files changed, 151 insertions(+), 113 deletions(-)
 delete mode 100644 packages/website/ts/components/documentTitle.tsx
 create mode 100644 packages/website/ts/components/document_title.tsx
 delete mode 100644 packages/website/ts/document_meta_constants.tsx
 create mode 100644 packages/website/ts/utils/document_meta_constants.tsx

diff --git a/packages/website/ts/components/documentTitle.tsx b/packages/website/ts/components/documentTitle.tsx
deleted file mode 100644
index 5b19fe5f72..0000000000
--- a/packages/website/ts/components/documentTitle.tsx
+++ /dev/null
@@ -1,12 +0,0 @@
-import * as React from 'react';
-import { Helmet } from 'react-helmet';
-
-export interface DocumentTitleProps {
-    title: string;
-}
-
-export const DocumentTitle: React.StatelessComponent<DocumentTitleProps> = ({ title }) => (
-    <Helmet>
-        <title>{title}</title>
-    </Helmet>
-);
diff --git a/packages/website/ts/components/document_title.tsx b/packages/website/ts/components/document_title.tsx
new file mode 100644
index 0000000000..81fb021a5f
--- /dev/null
+++ b/packages/website/ts/components/document_title.tsx
@@ -0,0 +1,15 @@
+import * as React from 'react';
+import { Helmet } from 'react-helmet';
+
+import { DocumentMetadata } from '../utils/document_meta_constants';
+
+export interface DocumentTitleProps extends DocumentMetadata {}
+
+export const DocumentTitle: React.StatelessComponent<DocumentTitleProps> = ({ title, description }) => (
+    <Helmet>
+        <title>{title}</title>
+        <meta name="description" content={description} />
+        <meta property="og:title" content={title} />
+        <meta property="og:description" content={description} />
+    </Helmet>
+);
diff --git a/packages/website/ts/components/portal/portal.tsx b/packages/website/ts/components/portal/portal.tsx
index e57eec11ac..3d7c672583 100644
--- a/packages/website/ts/components/portal/portal.tsx
+++ b/packages/website/ts/components/portal/portal.tsx
@@ -8,7 +8,6 @@ import { Blockchain } from 'ts/blockchain';
 import { BlockchainErrDialog } from 'ts/components/dialogs/blockchain_err_dialog';
 import { LedgerConfigDialog } from 'ts/components/dialogs/ledger_config_dialog';
 import { PortalDisclaimerDialog } from 'ts/components/dialogs/portal_disclaimer_dialog';
-import { DocumentTitle } from 'ts/components/documentTitle';
 import { EthWrappers } from 'ts/components/eth_wrappers';
 import { FillOrder } from 'ts/components/fill_order';
 import { AssetPicker } from 'ts/components/generate_order/asset_picker';
@@ -234,7 +233,6 @@ export class Portal extends React.Component<PortalProps, PortalState> {
         return (
             <Container>
                 <MetaTags title={DOCUMENT_TITLE} description={DOCUMENT_DESCRIPTION} />
-                <DocumentTitle title={DOCUMENT_TITLE} />
                 <TopBar
                     userAddress={this.props.userAddress}
                     networkId={this.props.networkId}
diff --git a/packages/website/ts/document_meta_constants.tsx b/packages/website/ts/document_meta_constants.tsx
deleted file mode 100644
index db48fad191..0000000000
--- a/packages/website/ts/document_meta_constants.tsx
+++ /dev/null
@@ -1,63 +0,0 @@
-export interface DocumentMetadata {
-    title: string;
-    description: string;
-    keywords: string;
-}
-
-export const documentConstants: { [s: string]: DocumentMetadata } = {
-    LANDING: {
-        title: '0x: Powering the decentralized exchange of tokens on Ethereum',
-        description: '0x is an open protocol that enables the peer-to-peer exchange of assets on the Ethereum blockchain.',
-        keywords: 'DEX, Decentralized Exchange, Ethereum, 0x, 0x Protocol, Tokens, ZRX, Crypto Exchange, Cryptocurrency, Crypto, DeFi, Decentralized Finance, Open Finance, NFTs, Non Fungible Tokens, Exchange Protocol, Relayer, Exchange Functionality, Crypto Developers, 0x Instant, Crypto Market Maker, Networked Liquidity, 0x Home, Crypto Infrastructure, Build on 0x, Crypto',
-    },
-    WHY: {
-        title: '0x: Features and Benefits',
-        description: '0x Protocol is free, open-source infrastructure that developers and businesses utilize to build products that enable the purchasing and trading of crypto tokens.',
-        keywords: '',
-    },
-    INSTANT: {
-        title: '0x Instant: Quick and secure crypto purchasing',
-        description: 'A free and flexible way to offer simple crypto purchasing in any app or website.',
-        keywords: '',
-    },
-    LAUNCH_KIT: {
-        title: '0x Launch Kit: Launch a relayer in under a minute',
-        description: 'Launch Kit includes a set of tools and documentation to build a relayer on 0x.',
-        keywords: '',
-    },
-    ABOUT: {
-        title: '0x: Our Mission and Values',
-        description: 'As more assets become tokenized, 0x provides the critical exchange layer in a new financial stack that is more efficient, transparent, and equitable than any system in the past.',
-        keywords: '',
-    },
-    TEAM: {
-        title: '0x: Our Team',
-        description: 'The 0x Core Team is passionate about accelerating the adoption decentralized technology and believe in its potential to be an equalizing force in the world. Join us and do the most impactful work of your life.',
-        keywords: '',
-    },
-    PRESS: {
-        title: '0x: Press Highlights',
-        description: '0x has been featured in major publications such as Forbes, Fortune, VentureBeat, and TechCrunch.',
-        keywords: '',
-    },
-    JOBS: {
-        title: 'Jobs at 0x',
-        description: 'Join us in building infrastructure upon which the exchange of all tokenized assets will take place.',
-        keywords: '',
-    },
-    ECOSYSTEM_PROGRAM: {
-        title: '0x Ecosystem Acceleration Program: Jumpstart your Business on 0x',
-        description: 'The Ecosystem Acceleration Program gives teams access to a variety of services including funding, dedicated technical support, and recruiting assistance.',
-        keywords: '',
-    },
-    MARKET_MAKER_PROGRAM: {
-        title: '0x Market Maker Program: Bring liquidity to the markets of the future',
-        description: 'The Market Making Program provides a set of resources that help onboard MMs to bring liquidity to the 0x network. The Program includes tutorials, monetary incentives, and 1:1 support from the 0x team.',
-        keywords: '',
-    },
-    INFRASTRUCTURE_CREDITS: {
-        title: 'Free Credits - 0x',
-        description: '',
-        keywords: '',
-    },
-};
diff --git a/packages/website/ts/pages/about/jobs.tsx b/packages/website/ts/pages/about/jobs.tsx
index 9779920867..ad46d29649 100644
--- a/packages/website/ts/pages/about/jobs.tsx
+++ b/packages/website/ts/pages/about/jobs.tsx
@@ -3,7 +3,7 @@ import * as React from 'react';
 import styled from 'styled-components';
 
 import { AboutPageLayout } from 'ts/components/aboutPageLayout';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Link } from 'ts/components/link';
 import { Column, FlexWrap, Section } from 'ts/components/newLayout';
 import { Heading, Paragraph } from 'ts/components/text';
@@ -12,6 +12,7 @@ import { colors } from 'ts/style/colors';
 import { WebsiteBackendJobInfo } from 'ts/types';
 import { backendClient } from 'ts/utils/backend_client';
 import { constants } from 'ts/utils/constants';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 const OPEN_POSITIONS_HASH = 'positions';
 
@@ -104,7 +105,7 @@ export class NextAboutJobs extends React.Component<NextAboutJobsProps, NextAbout
                 linkLabel="Our mission and values"
                 href={constants.URL_MISSION_AND_VALUES_BLOG_POST}
             >
-                <DocumentTitle title="Jobs at 0x" />
+                <DocumentTitle {...documentConstants.JOBS} />
                 <Section bgColor="#F3F6F4" isFlex={true} maxWidth="1170px" wrapWidth="100%">
                     <Column maxWidth="442px">
                         <Heading size="medium" marginBottom="30px">
diff --git a/packages/website/ts/pages/about/mission.tsx b/packages/website/ts/pages/about/mission.tsx
index 2b7d9a3c33..69fe07f15b 100644
--- a/packages/website/ts/pages/about/mission.tsx
+++ b/packages/website/ts/pages/about/mission.tsx
@@ -4,11 +4,12 @@ import styled from 'styled-components';
 
 import { AboutPageLayout } from 'ts/components/aboutPageLayout';
 import { Definition } from 'ts/components/definition';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Image } from 'ts/components/image';
 import { Column, Section } from 'ts/components/newLayout';
 import { Heading } from 'ts/components/text';
 import { constants } from 'ts/utils/constants';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 const values = [
     {
@@ -38,7 +39,7 @@ export const NextAboutMission = () => (
         linkLabel="Our mission and values"
         href={constants.URL_MISSION_AND_VALUES_BLOG_POST}
     >
-        <DocumentTitle title="Our Mission - 0x" />
+        <DocumentTitle {...documentConstants.ABOUT} />
         <Section isFullWidth={true} isPadded={false}>
             <FullWidthImage>
                 <Image src="/images/about/about-office.png" alt="0x Offices" isCentered={true} />
diff --git a/packages/website/ts/pages/about/press.tsx b/packages/website/ts/pages/about/press.tsx
index 1a757b2792..1ffa11d1fb 100644
--- a/packages/website/ts/pages/about/press.tsx
+++ b/packages/website/ts/pages/about/press.tsx
@@ -4,9 +4,10 @@ import styled from 'styled-components';
 
 import { AboutPageLayout } from 'ts/components/aboutPageLayout';
 import { Button } from 'ts/components/button';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Column, FlexWrap } from 'ts/components/newLayout';
 import { Paragraph } from 'ts/components/text';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 interface HighlightProps {
     logo: string;
@@ -66,7 +67,7 @@ export const NextAboutPress = () => (
             </>
         }
     >
-        <DocumentTitle title="Press Highlights - 0x" />
+        <DocumentTitle {...documentConstants.PRESS} />
     </AboutPageLayout>
 );
 
diff --git a/packages/website/ts/pages/about/team.tsx b/packages/website/ts/pages/about/team.tsx
index 072bbffa0c..82506a3cf0 100644
--- a/packages/website/ts/pages/about/team.tsx
+++ b/packages/website/ts/pages/about/team.tsx
@@ -5,10 +5,11 @@ import styled from 'styled-components';
 import { colors } from 'ts/style/colors';
 
 import { AboutPageLayout } from 'ts/components/aboutPageLayout';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Column, Section } from 'ts/components/newLayout';
 import { Heading, Paragraph } from 'ts/components/text';
 import { WebsitePaths } from 'ts/types';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 interface TeamMember {
     name: string;
@@ -194,7 +195,7 @@ export const NextAboutTeam = () => (
         linkLabel="Join the team"
         to={WebsitePaths.AboutJobs}
     >
-        <DocumentTitle title="Our Team - 0x" />
+        <DocumentTitle {...documentConstants.TEAM} />
         <Section maxWidth="1170px" wrapWidth="100%" isFlex={true} flexBreakpoint="900px">
             <Column>
                 <Heading size="medium">0x Team</Heading>
diff --git a/packages/website/ts/pages/credits.tsx b/packages/website/ts/pages/credits.tsx
index 6c24a40490..50dc185fc3 100644
--- a/packages/website/ts/pages/credits.tsx
+++ b/packages/website/ts/pages/credits.tsx
@@ -4,12 +4,13 @@ import * as React from 'react';
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
 import { CenteredDefinition } from 'ts/components/centeredDefinition';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Hero } from 'ts/components/hero';
 import { ModalContact, ModalContactType } from 'ts/components/modals/modal_contact';
 import { FlexWrap, Section } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
 import { Heading } from 'ts/components/text';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 export interface CreditsProps {}
 
@@ -25,7 +26,7 @@ export class Credits extends React.Component<CreditsProps> {
     public render(): React.ReactNode {
         return (
             <SiteWrap theme="light">
-                <DocumentTitle title="Free Credits - 0x" />
+                <DocumentTitle {...documentConstants.INFRASTRUCTURE_CREDITS} />
                 <Hero
                     maxWidth="865px"
                     maxWidthHeading="765px"
diff --git a/packages/website/ts/pages/documentation/developers_page.tsx b/packages/website/ts/pages/documentation/developers_page.tsx
index 369bb96228..59cf00db14 100644
--- a/packages/website/ts/pages/documentation/developers_page.tsx
+++ b/packages/website/ts/pages/documentation/developers_page.tsx
@@ -4,12 +4,13 @@ import * as React from 'react';
 import { Helmet } from 'react-helmet';
 import { DocsLogo } from 'ts/components/documentation/docs_logo';
 import { DocsTopBar } from 'ts/components/documentation/docs_top_bar';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Container } from 'ts/components/ui/container';
 import { Dispatcher } from 'ts/redux/dispatcher';
 import { media } from 'ts/style/media';
 import { styled } from 'ts/style/theme';
 import { BrowserType, OperatingSystemType, ScreenWidths } from 'ts/types';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 import { Translate } from 'ts/utils/translate';
 import { utils } from 'ts/utils/utils';
 
@@ -140,7 +141,7 @@ export class DevelopersPage extends React.Component<DevelopersPageProps, Develop
                     colors.white
                 } 50%, ${colors.white} 100%)`}
             >
-                <DocumentTitle title="0x Docs" />
+                <DocumentTitle {...documentConstants.DOCS} />
                 <Helmet>
                     <link rel="stylesheet" href="/css/github-gist.css" />
                 </Helmet>
diff --git a/packages/website/ts/pages/ecosystem.tsx b/packages/website/ts/pages/ecosystem.tsx
index 3f71efa6a3..455fc3a099 100644
--- a/packages/website/ts/pages/ecosystem.tsx
+++ b/packages/website/ts/pages/ecosystem.tsx
@@ -5,12 +5,13 @@ import styled from 'styled-components';
 import { colors } from 'ts/style/colors';
 
 import { Button } from 'ts/components/button';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Icon } from 'ts/components/icon';
 import { Column, Section, WrapGrid } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
 import { Heading, Paragraph } from 'ts/components/text';
 import { constants } from 'ts/utils/constants';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 interface BenefitProps {
     title: string;
@@ -55,7 +56,7 @@ const benefits: BenefitProps[] = [
 
 export const NextEcosystem = () => (
     <SiteWrap theme="light">
-        <DocumentTitle title="Ecosystem Acceleration Program: Jumpstart your Business on 0x" />
+        <DocumentTitle {...documentConstants.ECOSYSTEM_PROGRAM} />
         <Section isTextCentered={true}>
             <Column>
                 <Heading size="medium" isCentered={true}>
diff --git a/packages/website/ts/pages/faq/faq.tsx b/packages/website/ts/pages/faq/faq.tsx
index a318cdafd0..b86a1ca322 100644
--- a/packages/website/ts/pages/faq/faq.tsx
+++ b/packages/website/ts/pages/faq/faq.tsx
@@ -1,7 +1,7 @@
 import { colors, Styles } from '@0x/react-shared';
 import * as _ from 'lodash';
 import * as React from 'react';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Footer } from 'ts/components/old_footer';
 import { TopBar } from 'ts/components/top_bar/top_bar';
 import { Question } from 'ts/pages/faq/question';
@@ -9,6 +9,7 @@ import { Dispatcher } from 'ts/redux/dispatcher';
 import { FAQQuestion, FAQSection, WebsitePaths } from 'ts/types';
 import { configs } from 'ts/utils/configs';
 import { constants } from 'ts/utils/constants';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 import { Translate } from 'ts/utils/translate';
 
 export interface FAQProps {
@@ -412,7 +413,7 @@ export class FAQ extends React.Component<FAQProps, FAQState> {
     public render(): React.ReactNode {
         return (
             <div>
-                <DocumentTitle title="0x FAQ" />
+                <DocumentTitle {...documentConstants.FAQ} />
                 <TopBar blockchainIsLoaded={false} location={this.props.location} translate={this.props.translate} />
                 <div id="faq" className="mx-auto max-width-4 pt4" style={{ color: colors.grey800 }}>
                     <h1 className="center" style={{ ...styles.thin }}>
diff --git a/packages/website/ts/pages/governance/governance.tsx b/packages/website/ts/pages/governance/governance.tsx
index 474a7686d2..28604b2ba6 100644
--- a/packages/website/ts/pages/governance/governance.tsx
+++ b/packages/website/ts/pages/governance/governance.tsx
@@ -5,7 +5,7 @@ import styled from 'styled-components';
 
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { ModalContact } from 'ts/components/modals/modal_contact';
 import { Column, FlexWrap, Section } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
@@ -17,6 +17,7 @@ import { VoteInfo, VoteValue } from 'ts/pages/governance/vote_form';
 import { VoteStats } from 'ts/pages/governance/vote_stats';
 import { colors } from 'ts/style/colors';
 import { configs } from 'ts/utils/configs';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 import { utils } from 'ts/utils/utils';
 
 interface LabelInterface {
@@ -109,7 +110,7 @@ export class Governance extends React.Component {
         const { isVoteReceived, tally } = this.state;
         return (
             <SiteWrap theme="dark">
-                <DocumentTitle title="Governance Vote - 0x" />
+                <DocumentTitle {...documentConstants.VOTE} />
                 <Section maxWidth="1170px" isFlex={true}>
                     <Column width="55%" maxWidth="560px">
                         <Countdown deadline={proposalData.votingDeadline} />
diff --git a/packages/website/ts/pages/instant.tsx b/packages/website/ts/pages/instant.tsx
index d406b48baf..81785e59ca 100644
--- a/packages/website/ts/pages/instant.tsx
+++ b/packages/website/ts/pages/instant.tsx
@@ -6,7 +6,7 @@ import styled, { keyframes } from 'styled-components';
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
 import { Definition } from 'ts/components/definition';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Hero } from 'ts/components/hero';
 import { Section, SectionProps } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
@@ -14,6 +14,7 @@ import { Heading, Paragraph } from 'ts/components/text';
 import { Configurator } from 'ts/pages/instant/configurator';
 import { colors } from 'ts/style/colors';
 import { WebsitePaths } from 'ts/types';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 import { utils } from 'ts/utils/utils';
 
 import { ModalContact } from '../components/modals/modal_contact';
@@ -88,7 +89,7 @@ export class Next0xInstant extends React.Component<Props> {
     public render(): React.ReactNode {
         return (
             <SiteWrap>
-                <DocumentTitle title="0x Instant: Quick and secure crypto purchasing" />
+                <DocumentTitle {...documentConstants.INSTANT} />
                 <Hero
                     title="Introducing 0x Instant"
                     description="A free and flexible way to offer simple crypto purchasing in any app or website"
diff --git a/packages/website/ts/pages/landing.tsx b/packages/website/ts/pages/landing.tsx
index d23b37b90d..abfa83b47f 100644
--- a/packages/website/ts/pages/landing.tsx
+++ b/packages/website/ts/pages/landing.tsx
@@ -1,6 +1,6 @@
 import * as React from 'react';
 
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { SectionLandingAbout } from 'ts/components/sections/landing/about';
 import { SectionLandingClients } from 'ts/components/sections/landing/clients';
 import { SectionLandingCta } from 'ts/components/sections/landing/cta';
@@ -8,6 +8,7 @@ import { SectionLandingHero } from 'ts/components/sections/landing/hero';
 import { SiteWrap } from 'ts/components/siteWrap';
 
 import { ModalContact } from 'ts/components/modals/modal_contact';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 interface Props {
     theme: {
@@ -24,7 +25,7 @@ export class NextLanding extends React.Component<Props> {
     public render(): React.ReactNode {
         return (
             <SiteWrap theme="dark">
-                <DocumentTitle title="0x: The protocol for trading tokens on Ethereum" />
+                <DocumentTitle {...documentConstants.LANDING} />
                 <SectionLandingHero />
                 <SectionLandingAbout />
                 <SectionLandingClients />
diff --git a/packages/website/ts/pages/launch_kit.tsx b/packages/website/ts/pages/launch_kit.tsx
index 719124c79c..b3f09e6d2a 100644
--- a/packages/website/ts/pages/launch_kit.tsx
+++ b/packages/website/ts/pages/launch_kit.tsx
@@ -1,18 +1,15 @@
 import * as _ from 'lodash';
 import * as React from 'react';
-
-import { DocumentTitle } from 'ts/components/documentTitle';
-
-import { Hero } from 'ts/components/hero';
-
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
 import { Definition } from 'ts/components/definition';
+import { DocumentTitle } from 'ts/components/document_title';
+import { Hero } from 'ts/components/hero';
 import { Icon } from 'ts/components/icon';
-import { SiteWrap } from 'ts/components/siteWrap';
-
 import { Section } from 'ts/components/newLayout';
+import { SiteWrap } from 'ts/components/siteWrap';
 import { constants } from 'ts/utils/constants';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 import { ModalContact } from '../components/modals/modal_contact';
 
@@ -37,7 +34,7 @@ export class NextLaunchKit extends React.Component {
     public render(): React.ReactNode {
         return (
             <SiteWrap theme="dark">
-                <DocumentTitle title="0x Launch Kit: Launch a relayer in under a minute" />
+                <DocumentTitle {...documentConstants.LAUNCH_KIT} />
                 <Hero
                     isLargeTitle={false}
                     isFullWidth={false}
diff --git a/packages/website/ts/pages/market_maker.tsx b/packages/website/ts/pages/market_maker.tsx
index eb01a12e76..58fd66fba3 100644
--- a/packages/website/ts/pages/market_maker.tsx
+++ b/packages/website/ts/pages/market_maker.tsx
@@ -5,13 +5,14 @@ import * as React from 'react';
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
 import { Action, Definition } from 'ts/components/definition';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Hero } from 'ts/components/hero';
 import { ModalContact, ModalContactType } from 'ts/components/modals/modal_contact';
 import { Section } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
 import { colors } from 'ts/style/colors';
 import { WebsitePaths } from 'ts/types';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 interface OfferData {
     icon: string;
@@ -67,7 +68,7 @@ export class NextMarketMaker extends React.Component<NextMarketMakerProps> {
     public render(): React.ReactNode {
         return (
             <SiteWrap theme="light">
-                <DocumentTitle title="Market making - 0x" />
+                <DocumentTitle {...documentConstants.MARKET_MAKER_PROGRAM} />
                 <Hero
                     maxWidth="865px"
                     maxWidthHeading="715px"
diff --git a/packages/website/ts/pages/vote_placeholder.tsx b/packages/website/ts/pages/vote_placeholder.tsx
index 6fcc1d57de..4e5de71ee3 100644
--- a/packages/website/ts/pages/vote_placeholder.tsx
+++ b/packages/website/ts/pages/vote_placeholder.tsx
@@ -3,15 +3,16 @@ import * as React from 'react';
 import styled from 'styled-components';
 
 import { Button } from 'ts/components/button';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Column, Section } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
 import { Heading, Paragraph } from 'ts/components/text';
 import { constants } from 'ts/utils/constants';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 export const VotePlaceholder = () => (
     <SiteWrap>
-        <DocumentTitle title="0x Vote" />
+        <DocumentTitle {...documentConstants.VOTE} />
         <Section isTextCentered={true} isPadded={true} padding="150px 0px">
             <Column>
                 <Heading size="medium" isCentered={true}>
diff --git a/packages/website/ts/pages/why.tsx b/packages/website/ts/pages/why.tsx
index 25cc92207f..784d42bd8e 100644
--- a/packages/website/ts/pages/why.tsx
+++ b/packages/website/ts/pages/why.tsx
@@ -6,12 +6,13 @@ import styled from 'styled-components';
 import { Banner } from 'ts/components/banner';
 import { Button } from 'ts/components/button';
 import { Definition } from 'ts/components/definition';
-import { DocumentTitle } from 'ts/components/documentTitle';
+import { DocumentTitle } from 'ts/components/document_title';
 import { Hero } from 'ts/components/hero';
 import { Column, Section, WrapSticky } from 'ts/components/newLayout';
 import { SiteWrap } from 'ts/components/siteWrap';
 import { Slide, Slider } from 'ts/components/slider/slider';
 import { Heading } from 'ts/components/text';
+import { documentConstants } from 'ts/utils/document_meta_constants';
 
 import { ModalContact } from '../components/modals/modal_contact';
 
@@ -99,7 +100,7 @@ export class NextWhy extends React.Component {
         );
         return (
             <SiteWrap theme="dark">
-                <DocumentTitle title="Features & Benefits - 0x" />
+                <DocumentTitle {...documentConstants.WHY} />
                 <Hero
                     title="The exchange layer for the crypto economy"
                     description="The world's assets are becoming tokenized on public blockchains. 0x Protocol is free, open-source infrastructure that developers and businesses utilize to build products that enable the purchasing and trading of crypto tokens."
diff --git a/packages/website/ts/utils/document_meta_constants.tsx b/packages/website/ts/utils/document_meta_constants.tsx
new file mode 100644
index 0000000000..0cce922e7c
--- /dev/null
+++ b/packages/website/ts/utils/document_meta_constants.tsx
@@ -0,0 +1,89 @@
+export interface DocumentMetadata {
+    title: string;
+    description: string;
+    keywords: string;
+}
+
+export const documentConstants: { [s: string]: DocumentMetadata } = {
+    LANDING: {
+        title: '0x: Powering the decentralized exchange of tokens on Ethereum',
+        description:
+            '0x is an open protocol that enables the peer-to-peer exchange of assets on the Ethereum blockchain.',
+        keywords: '',
+    },
+    WHY: {
+        title: '0x: Features and Benefits',
+        description:
+            '0x Protocol is free, open-source infrastructure that developers and businesses utilize to build products that enable the purchasing and trading of crypto tokens.',
+        keywords: '',
+    },
+    INSTANT: {
+        title: '0x Instant: Quick and secure crypto purchasing',
+        description: 'A free and flexible way to offer simple crypto purchasing in any app or website.',
+        keywords: '',
+    },
+    LAUNCH_KIT: {
+        title: '0x Launch Kit: Launch a relayer in under a minute',
+        description: 'Launch Kit includes a set of tools and documentation to build a relayer on 0x.',
+        keywords: '',
+    },
+    ABOUT: {
+        title: '0x: Our Mission and Values',
+        description:
+            'As more assets become tokenized, 0x provides the critical exchange layer in a new financial stack that is more efficient, transparent, and equitable than any system in the past.',
+        keywords: '',
+    },
+    TEAM: {
+        title: '0x: Our Team',
+        description:
+            'The 0x Core Team is passionate about accelerating the adoption decentralized technology and believe in its potential to be an equalizing force in the world. Join us and do the most impactful work of your life.',
+        keywords: '',
+    },
+    PRESS: {
+        title: '0x: Press Highlights',
+        description: '0x has been featured in major publications such as Forbes, Fortune, VentureBeat, and TechCrunch.',
+        keywords: '',
+    },
+    JOBS: {
+        title: 'Jobs at 0x',
+        description:
+            'Join us in building infrastructure upon which the exchange of all tokenized assets will take place.',
+        keywords: '',
+    },
+    ECOSYSTEM_PROGRAM: {
+        title: '0x Ecosystem Acceleration Program: Jumpstart your Business on 0x',
+        description:
+            'The Ecosystem Acceleration Program gives teams access to a variety of services including funding, dedicated technical support, and recruiting assistance.',
+        keywords: '',
+    },
+    MARKET_MAKER_PROGRAM: {
+        title: '0x Market Maker Program: Bring liquidity to the markets of the future',
+        description:
+            'The Market Making Program provides a set of resources that help onboard MMs to bring liquidity to the 0x network. The Program includes tutorials, monetary incentives, and 1:1 support from the 0x team.',
+        keywords: '',
+    },
+    INFRASTRUCTURE_CREDITS: {
+        title: '0x Infrastructure Credits: Earn credits for your business on 0x',
+        description:
+            '0x has teamed up with a variety of service providers to offer free credits for any project working on 0x in a full-time capacity.',
+        keywords: '',
+    },
+    DOCS: {
+        title: '0x Documentation',
+        description:
+            '0x Protocol is free, open-source infrastructure that developers and businesses utilize to build products that enable the purchasing and trading of crypto tokens.',
+        keywords: '',
+    },
+    FAQ: {
+        title: '0x FAQs: Frequently Asked Questions',
+        description:
+            '0x Protocol is free, open-source infrastructure that developers and businesses utilize to build products that enable the purchasing and trading of crypto tokens.',
+        keywords: '',
+    },
+    VOTE: {
+        title: '0x Governance: Vote on ZEIPs with ZRX',
+        description:
+            '0x is an open protocol that is governed by its users. Cast your votes with ZRX on 0x Improvement Proposals.',
+        keywords: '',
+    },
+};

From ec4d634677cb3450e1bec31b71ef6906dc094f14 Mon Sep 17 00:00:00 2001
From: David Sun <dvsuner@protonmail.com>
Date: Wed, 20 Feb 2019 23:24:05 -0500
Subject: [PATCH 27/27] fixed linting issue

---
 packages/website/ts/pages/documentation/developers_page.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/website/ts/pages/documentation/developers_page.tsx b/packages/website/ts/pages/documentation/developers_page.tsx
index 59cf00db14..006010a0ce 100644
--- a/packages/website/ts/pages/documentation/developers_page.tsx
+++ b/packages/website/ts/pages/documentation/developers_page.tsx
@@ -2,9 +2,9 @@ import { colors, constants as sharedConstants, utils as sharedUtils } from '@0x/
 import * as _ from 'lodash';
 import * as React from 'react';
 import { Helmet } from 'react-helmet';
+import { DocumentTitle } from 'ts/components/document_title';
 import { DocsLogo } from 'ts/components/documentation/docs_logo';
 import { DocsTopBar } from 'ts/components/documentation/docs_top_bar';
-import { DocumentTitle } from 'ts/components/document_title';
 import { Container } from 'ts/components/ui/container';
 import { Dispatcher } from 'ts/redux/dispatcher';
 import { media } from 'ts/style/media';