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authorzkao <zichongkao@gmail.com>2018-12-12 07:48:54 +0800
committerFred Carlsen <fred@sjelfull.no>2018-12-13 01:20:29 +0800
commit59b7e25389398dd658e19fdbe89c1a3d555f2246 (patch)
tree5d26419d53f759c385b3c54f36ea26e6cca8c897
parent87ab8f036c9fac10464165662a29a1dab47d9b46 (diff)
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track idex orderbook snapshots (#1397)
* Track Idex and Oasis Orderbook Snapshots
-rw-r--r--packages/pipeline/migrations/1544131658904-TokenOrderbookSnapshotAddOrderType.ts33
-rw-r--r--packages/pipeline/src/data_sources/idex/index.ts82
-rw-r--r--packages/pipeline/src/data_sources/oasis/index.ts103
-rw-r--r--packages/pipeline/src/entities/token_order.ts10
-rw-r--r--packages/pipeline/src/parsers/ddex_orders/index.ts18
-rw-r--r--packages/pipeline/src/parsers/idex_orders/index.ts77
-rw-r--r--packages/pipeline/src/parsers/oasis_orders/index.ts71
-rw-r--r--packages/pipeline/src/parsers/utils.ts28
-rw-r--r--packages/pipeline/src/scripts/pull_idex_orderbook_snapshots.ts63
-rw-r--r--packages/pipeline/src/scripts/pull_oasis_orderbook_snapshots.ts58
-rw-r--r--packages/pipeline/test/parsers/ddex_orders/index_test.ts15
-rw-r--r--packages/pipeline/test/parsers/idex_orders/index_test.ts87
-rw-r--r--packages/pipeline/test/parsers/oasis_orders/index_test.ts49
-rw-r--r--packages/pipeline/test/parsers/utils/index_test.ts30
14 files changed, 690 insertions, 34 deletions
diff --git a/packages/pipeline/migrations/1544131658904-TokenOrderbookSnapshotAddOrderType.ts b/packages/pipeline/migrations/1544131658904-TokenOrderbookSnapshotAddOrderType.ts
new file mode 100644
index 000000000..a501ec6d8
--- /dev/null
+++ b/packages/pipeline/migrations/1544131658904-TokenOrderbookSnapshotAddOrderType.ts
@@ -0,0 +1,33 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class TokenOrderbookSnapshotAddOrderType1544131658904 implements MigrationInterface {
+ public async up(queryRunner: QueryRunner): Promise<any> {
+ await queryRunner.query(
+ `ALTER TABLE raw.token_orderbook_snapshots
+ DROP CONSTRAINT "PK_8a16487e7cb6862ec5a84ed3495",
+ ADD PRIMARY KEY (observed_timestamp, source, order_type, price, base_asset_symbol, quote_asset_symbol);
+ `,
+ );
+ await queryRunner.query(
+ `ALTER TABLE raw.token_orderbook_snapshots
+ ALTER COLUMN quote_asset_address DROP NOT NULL,
+ ALTER COLUMN base_asset_address DROP NOT NULL;
+ `,
+ );
+ }
+
+ public async down(queryRunner: QueryRunner): Promise<any> {
+ await queryRunner.query(
+ `ALTER TABLE raw.token_orderbook_snapshots
+ ALTER COLUMN quote_asset_address SET NOT NULL,
+ ALTER COLUMN base_asset_address SET NOT NULL;
+ `,
+ );
+ await queryRunner.query(
+ `ALTER TABLE raw.token_orderbook_snapshots
+ DROP CONSTRAINT token_orderbook_snapshots_pkey,
+ ADD CONSTRAINT "PK_8a16487e7cb6862ec5a84ed3495" PRIMARY KEY (observed_timestamp, source, price, base_asset_symbol, quote_asset_symbol);
+ `,
+ );
+ }
+}
diff --git a/packages/pipeline/src/data_sources/idex/index.ts b/packages/pipeline/src/data_sources/idex/index.ts
new file mode 100644
index 000000000..c1e53c08d
--- /dev/null
+++ b/packages/pipeline/src/data_sources/idex/index.ts
@@ -0,0 +1,82 @@
+import { fetchAsync } from '@0x/utils';
+
+const IDEX_BASE_URL = 'https://api.idex.market';
+const MARKETS_URL = `${IDEX_BASE_URL}/returnTicker`;
+const ORDERBOOK_URL = `${IDEX_BASE_URL}/returnOrderBook`;
+const MAX_ORDER_COUNT = 100; // Maximum based on https://github.com/AuroraDAO/idex-api-docs#returnorderbook
+export const IDEX_SOURCE = 'idex';
+
+export interface IdexMarketsResponse {
+ [marketName: string]: IdexMarket;
+}
+
+export interface IdexMarket {
+ last: string;
+ high: string;
+ low: string;
+ lowestAsk: string;
+ highestBid: string;
+ percentChange: string;
+ baseVolume: string;
+ quoteVolume: string;
+}
+
+export interface IdexOrderbook {
+ asks: IdexOrder[];
+ bids: IdexOrder[];
+}
+
+export interface IdexOrder {
+ price: string;
+ amount: string;
+ total: string;
+ orderHash: string;
+ params: IdexOrderParam;
+}
+
+export interface IdexOrderParam {
+ tokenBuy: string;
+ buySymbol: string;
+ buyPrecision: number;
+ amountBuy: string;
+ tokenSell: string;
+ sellSymbol: string;
+ sellPrecision: number;
+ amountSell: string;
+ expires: number;
+ nonce: number;
+ user: string;
+}
+
+// tslint:disable:prefer-function-over-method
+// ^ Keep consistency with other sources and help logical organization
+export class IdexSource {
+ /**
+ * Call Idex API to find out which markets they are maintaining orderbooks for.
+ */
+ public async getMarketsAsync(): Promise<string[]> {
+ const params = { method: 'POST' };
+ const resp = await fetchAsync(MARKETS_URL, params);
+ const respJson: IdexMarketsResponse = await resp.json();
+ const markets: string[] = Object.keys(respJson);
+ return markets;
+ }
+
+ /**
+ * Retrieve orderbook from Idex API for a given market.
+ * @param marketId String identifying the market we want data for. Eg. 'REP_AUG'
+ */
+ public async getMarketOrderbookAsync(marketId: string): Promise<IdexOrderbook> {
+ const params = {
+ method: 'POST',
+ headers: { 'Content-Type': 'application/json' },
+ body: JSON.stringify({
+ market: marketId,
+ count: MAX_ORDER_COUNT,
+ }),
+ };
+ const resp = await fetchAsync(ORDERBOOK_URL, params);
+ const respJson: IdexOrderbook = await resp.json();
+ return respJson;
+ }
+}
diff --git a/packages/pipeline/src/data_sources/oasis/index.ts b/packages/pipeline/src/data_sources/oasis/index.ts
new file mode 100644
index 000000000..3b30e9dfd
--- /dev/null
+++ b/packages/pipeline/src/data_sources/oasis/index.ts
@@ -0,0 +1,103 @@
+import { fetchAsync } from '@0x/utils';
+
+const OASIS_BASE_URL = 'https://data.makerdao.com/v1';
+const OASIS_MARKET_QUERY = `query {
+ oasisMarkets(period: "1 week") {
+ nodes {
+ id
+ base
+ quote
+ buyVol
+ sellVol
+ price
+ high
+ low
+ }
+ }
+}`;
+const OASIS_ORDERBOOK_QUERY = `query ($market: String!) {
+ allOasisOrders(condition: { market: $market }) {
+ totalCount
+ nodes {
+ market
+ offerId
+ price
+ amount
+ act
+ }
+ }
+}`;
+export const OASIS_SOURCE = 'oasis';
+
+export interface OasisMarket {
+ id: string; // market symbol e.g MKRDAI
+ base: string; // base symbol e.g MKR
+ quote: string; // quote symbol e.g DAI
+ buyVol: number; // total buy volume (base)
+ sellVol: number; // total sell volume (base)
+ price: number; // volume weighted price (quote)
+ high: number; // max sell price
+ low: number; // min buy price
+}
+
+export interface OasisMarketResponse {
+ data: {
+ oasisMarkets: {
+ nodes: OasisMarket[];
+ };
+ };
+}
+
+export interface OasisOrder {
+ offerId: number; // Offer Id
+ market: string; // Market symbol (base/quote)
+ price: string; // Offer price (quote)
+ amount: string; // Offer amount (base)
+ act: string; // Action (ask|bid)
+}
+
+export interface OasisOrderbookResponse {
+ data: {
+ allOasisOrders: {
+ totalCount: number;
+ nodes: OasisOrder[];
+ };
+ };
+}
+
+// tslint:disable:prefer-function-over-method
+// ^ Keep consistency with other sources and help logical organization
+export class OasisSource {
+ /**
+ * Call Ddex API to find out which markets they are maintaining orderbooks for.
+ */
+ public async getActiveMarketsAsync(): Promise<OasisMarket[]> {
+ const params = {
+ method: 'POST',
+ headers: { 'Content-Type': 'application/json' },
+ body: JSON.stringify({ query: OASIS_MARKET_QUERY }),
+ };
+ const resp = await fetchAsync(OASIS_BASE_URL, params);
+ const respJson: OasisMarketResponse = await resp.json();
+ const markets = respJson.data.oasisMarkets.nodes;
+ return markets;
+ }
+
+ /**
+ * Retrieve orderbook from Oasis API for a given market.
+ * @param marketId String identifying the market we want data for. Eg. 'REPAUG'.
+ */
+ public async getMarketOrderbookAsync(marketId: string): Promise<OasisOrder[]> {
+ const input = {
+ market: marketId,
+ };
+ const params = {
+ method: 'POST',
+ headers: { 'Content-Type': 'application/json' },
+ body: JSON.stringify({ query: OASIS_ORDERBOOK_QUERY, variables: input }),
+ };
+ const resp = await fetchAsync(OASIS_BASE_URL, params);
+ const respJson: OasisOrderbookResponse = await resp.json();
+ return respJson.data.allOasisOrders.nodes;
+ }
+}
diff --git a/packages/pipeline/src/entities/token_order.ts b/packages/pipeline/src/entities/token_order.ts
index 557705767..4b8f0abc3 100644
--- a/packages/pipeline/src/entities/token_order.ts
+++ b/packages/pipeline/src/entities/token_order.ts
@@ -10,20 +10,20 @@ export class TokenOrderbookSnapshot {
public observedTimestamp!: number;
@PrimaryColumn({ name: 'source' })
public source!: string;
- @Column({ name: 'order_type' })
+ @PrimaryColumn({ name: 'order_type' })
public orderType!: OrderType;
@PrimaryColumn({ name: 'price', type: 'numeric', transformer: bigNumberTransformer })
public price!: BigNumber;
@PrimaryColumn({ name: 'base_asset_symbol' })
public baseAssetSymbol!: string;
- @Column({ name: 'base_asset_address' })
- public baseAssetAddress!: 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({ name: 'quote_asset_address' })
- public quoteAssetAddress!: string;
+ @Column({ nullable: true, type: String, name: 'quote_asset_address' })
+ public quoteAssetAddress!: string | null;
@Column({ name: 'quote_volume', type: 'numeric', transformer: bigNumberTransformer })
public quoteVolume!: BigNumber;
}
diff --git a/packages/pipeline/src/parsers/ddex_orders/index.ts b/packages/pipeline/src/parsers/ddex_orders/index.ts
index 81132e8f0..52a998f9f 100644
--- a/packages/pipeline/src/parsers/ddex_orders/index.ts
+++ b/packages/pipeline/src/parsers/ddex_orders/index.ts
@@ -1,7 +1,8 @@
import { BigNumber } from '@0x/utils';
-import * as R from 'ramda';
-import { DdexMarket, DdexOrder, DdexOrderbook } from '../../data_sources/ddex';
+import { aggregateOrders } from '../utils';
+
+import { DdexMarket, DdexOrderbook } from '../../data_sources/ddex';
import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
import { OrderType } from '../../types';
@@ -28,19 +29,6 @@ export function parseDdexOrders(
}
/**
- * Aggregates orders by price point for consistency with other exchanges.
- * Querying the Ddex API at level 3 setting returns a breakdown of
- * individual orders at each price point. Other exchanges only give total amount
- * at each price point. Returns an array of <price, amount> tuples.
- * @param ddexOrders A list of Ddex orders awaiting aggregation.
- */
-export function aggregateOrders(ddexOrders: DdexOrder[]): Array<[string, BigNumber]> {
- const sumAmount = (acc: BigNumber, order: DdexOrder): BigNumber => acc.plus(order.amount);
- const aggregatedPricePoints = R.reduceBy(sumAmount, new BigNumber(0), R.prop('price'), ddexOrders);
- return Object.entries(aggregatedPricePoints);
-}
-
-/**
* Parse a single aggregated Ddex order in order to form a tokenOrder entity
* which can be saved into the database.
* @param ddexMarket An object containing information about the market where these
diff --git a/packages/pipeline/src/parsers/idex_orders/index.ts b/packages/pipeline/src/parsers/idex_orders/index.ts
new file mode 100644
index 000000000..dfe27455c
--- /dev/null
+++ b/packages/pipeline/src/parsers/idex_orders/index.ts
@@ -0,0 +1,77 @@
+import { BigNumber } from '@0x/utils';
+
+import { aggregateOrders } from '../utils';
+
+import { IdexOrder, IdexOrderbook, IdexOrderParam } from '../../data_sources/idex';
+import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
+import { OrderType } from '../../types';
+
+/**
+ * Marque 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.
+ * @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[] {
+ 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, 'bid', source, order))
+ : [];
+
+ const aggregatedAsks = aggregateOrders(idexOrderbook.asks);
+ // Any of the ask orders' params will work
+ const idexAskOrder = idexOrderbook.asks[0];
+ const parsedAsks =
+ aggregatedAsks.length > 0
+ ? aggregatedAsks.map(order => parseIdexOrder(idexAskOrder.params, observedTimestamp, 'ask', source, order))
+ : [];
+ return parsedBids.concat(parsedAsks);
+}
+
+/**
+ * Parse a single aggregated Idex order in order to form a tokenOrder entity
+ * which can be saved into the database.
+ * @param idexOrderParam 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 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.observedTimestamp = observedTimestamp;
+ tokenOrder.orderType = orderType;
+ tokenOrder.price = price;
+ tokenOrder.baseVolume = amount;
+ tokenOrder.quoteVolume = price.times(amount);
+
+ if (orderType === 'bid') {
+ tokenOrder.baseAssetSymbol = idexOrderParam.buySymbol;
+ tokenOrder.baseAssetAddress = idexOrderParam.tokenBuy;
+ tokenOrder.quoteAssetSymbol = idexOrderParam.sellSymbol;
+ tokenOrder.quoteAssetAddress = idexOrderParam.tokenSell;
+ } else {
+ tokenOrder.baseAssetSymbol = idexOrderParam.sellSymbol;
+ tokenOrder.baseAssetAddress = idexOrderParam.tokenSell;
+ tokenOrder.quoteAssetSymbol = idexOrderParam.buySymbol;
+ tokenOrder.quoteAssetAddress = idexOrderParam.tokenBuy;
+ }
+ return tokenOrder;
+}
diff --git a/packages/pipeline/src/parsers/oasis_orders/index.ts b/packages/pipeline/src/parsers/oasis_orders/index.ts
new file mode 100644
index 000000000..7aafbf460
--- /dev/null
+++ b/packages/pipeline/src/parsers/oasis_orders/index.ts
@@ -0,0 +1,71 @@
+import { BigNumber } from '@0x/utils';
+import * as R from 'ramda';
+
+import { aggregateOrders } from '../utils';
+
+import { OasisMarket, OasisOrder } from '../../data_sources/oasis';
+import { TokenOrderbookSnapshot as TokenOrder } from '../../entities';
+import { OrderType } from '../../types';
+
+/**
+ * Marque 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.
+ * @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', 'bid'), oasisOrderbook));
+ const aggregatedAsks = aggregateOrders(R.filter(R.propEq('act', 'ask'), oasisOrderbook));
+ const parsedBids = aggregatedBids.map(order =>
+ parseOasisOrder(oasisMarket, observedTimestamp, 'bid', source, order),
+ );
+ const parsedAsks = aggregatedAsks.map(order =>
+ parseOasisOrder(oasisMarket, observedTimestamp, 'ask', source, order),
+ );
+ return parsedBids.concat(parsedAsks);
+}
+
+/**
+ * Parse a single aggregated Oasis order to form a tokenOrder entity
+ * which can be saved into the database.
+ * @param oasisMarket 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 oasisOrder A <price, amount> tuple which we will convert to volume-basis.
+ */
+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.observedTimestamp = observedTimestamp;
+ tokenOrder.orderType = orderType;
+ tokenOrder.price = price;
+
+ tokenOrder.baseAssetSymbol = oasisMarket.base;
+ tokenOrder.baseAssetAddress = null; // Oasis doesn't provide address information
+ tokenOrder.baseVolume = price.times(amount);
+
+ tokenOrder.quoteAssetSymbol = oasisMarket.quote;
+ tokenOrder.quoteAssetAddress = null; // Oasis doesn't provide address information
+ tokenOrder.quoteVolume = amount;
+ return tokenOrder;
+}
diff --git a/packages/pipeline/src/parsers/utils.ts b/packages/pipeline/src/parsers/utils.ts
new file mode 100644
index 000000000..860729e9f
--- /dev/null
+++ b/packages/pipeline/src/parsers/utils.ts
@@ -0,0 +1,28 @@
+import { BigNumber } from '@0x/utils';
+
+export interface GenericRawOrder {
+ price: string;
+ amount: string;
+}
+
+/**
+ * Aggregates individual orders by price point. Filters zero amount orders.
+ * @param rawOrders An array of objects that have price and amount information.
+ */
+export function aggregateOrders(rawOrders: GenericRawOrder[]): Array<[string, BigNumber]> {
+ const aggregatedOrders = new Map<string, BigNumber>();
+ rawOrders.forEach(order => {
+ const amount = new BigNumber(order.amount);
+ if (amount.isZero()) {
+ return;
+ }
+ // Use string instead of BigNum to aggregate by value instead of variable.
+ // Convert to BigNumber first to consolidate different string
+ // representations of the same number. Eg. '0.0' and '0.00'.
+ const price = new BigNumber(order.price).toString();
+
+ const existingAmount = aggregatedOrders.get(price) || new BigNumber(0);
+ aggregatedOrders.set(price, amount.plus(existingAmount));
+ });
+ return Array.from(aggregatedOrders.entries());
+}
diff --git a/packages/pipeline/src/scripts/pull_idex_orderbook_snapshots.ts b/packages/pipeline/src/scripts/pull_idex_orderbook_snapshots.ts
new file mode 100644
index 000000000..d47c1dd3f
--- /dev/null
+++ b/packages/pipeline/src/scripts/pull_idex_orderbook_snapshots.ts
@@ -0,0 +1,63 @@
+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 { TokenOrderbookSnapshot as TokenOrder } from '../entities';
+import * as ormConfig from '../ormconfig';
+import { parseIdexOrders } from '../parsers/idex_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 = 100;
+
+// Delay between market orderbook requests.
+const MILLISEC_MARKET_ORDERBOOK_REQUEST_DELAY = 2000;
+
+let connection: Connection;
+
+(async () => {
+ connection = await createConnection(ormConfig as ConnectionOptions);
+ const idexSource = new IdexSource();
+ logUtils.log('Getting all IDEX markets');
+ const markets = await idexSource.getMarketsAsync();
+ logUtils.log(`Got ${markets.length} markets.`);
+ for (const marketsChunk of R.splitEvery(MARKET_ORDERBOOK_REQUEST_BATCH_SIZE, markets)) {
+ await Promise.all(
+ marketsChunk.map(async (marketId: string) => getAndSaveMarketOrderbook(idexSource, marketId)),
+ );
+ await new Promise<void>(resolve => setTimeout(resolve, MILLISEC_MARKET_ORDERBOOK_REQUEST_DELAY));
+ }
+ process.exit(0);
+})().catch(handleError);
+
+/**
+ * Retrieve orderbook from Idex API for a given market. Parse orders and insert
+ * them into our database.
+ * @param idexSource Data source which can query Idex API.
+ * @param marketId String representing market of interest, eg. 'ETH_TIC'.
+ */
+async function getAndSaveMarketOrderbook(idexSource: IdexSource, marketId: string): Promise<void> {
+ logUtils.log(`${marketId}: Retrieving orderbook.`);
+ const orderBook = await idexSource.getMarketOrderbookAsync(marketId);
+ const observedTimestamp = Date.now();
+
+ if (!R.has('bids', orderBook) || !R.has('asks', orderBook)) {
+ logUtils.warn(`${marketId}: Orderbook faulty.`);
+ return;
+ }
+
+ logUtils.log(`${marketId}: Parsing orders.`);
+ const orders = parseIdexOrders(orderBook, observedTimestamp, IDEX_SOURCE);
+
+ if (orders.length > 0) {
+ logUtils.log(`${marketId}: Saving ${orders.length} orders.`);
+ const TokenOrderRepository = connection.getRepository(TokenOrder);
+ await TokenOrderRepository.save(orders, { chunk: Math.ceil(orders.length / BATCH_SAVE_SIZE) });
+ } else {
+ logUtils.log(`${marketId}: 0 orders to save.`);
+ }
+}
diff --git a/packages/pipeline/src/scripts/pull_oasis_orderbook_snapshots.ts b/packages/pipeline/src/scripts/pull_oasis_orderbook_snapshots.ts
new file mode 100644
index 000000000..0ffa5fd47
--- /dev/null
+++ b/packages/pipeline/src/scripts/pull_oasis_orderbook_snapshots.ts
@@ -0,0 +1,58 @@
+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 { TokenOrderbookSnapshot as TokenOrder } from '../entities';
+import * as ormConfig from '../ormconfig';
+import { parseOasisOrders } from '../parsers/oasis_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 = 1000;
+
+let connection: Connection;
+
+(async () => {
+ connection = await createConnection(ormConfig as ConnectionOptions);
+ const oasisSource = new OasisSource();
+ logUtils.log('Getting all active Oasis markets');
+ const markets = await oasisSource.getActiveMarketsAsync();
+ logUtils.log(`Got ${markets.length} markets.`);
+ for (const marketsChunk of R.splitEvery(MARKET_ORDERBOOK_REQUEST_BATCH_SIZE, markets)) {
+ await Promise.all(
+ marketsChunk.map(async (market: OasisMarket) => getAndSaveMarketOrderbook(oasisSource, market)),
+ );
+ await new Promise<void>(resolve => setTimeout(resolve, MILLISEC_MARKET_ORDERBOOK_REQUEST_DELAY));
+ }
+ process.exit(0);
+})().catch(handleError);
+
+/**
+ * Retrieve orderbook from Oasis API for a given market. Parse orders and insert
+ * them into our database.
+ * @param oasisSource Data source which can query Oasis API.
+ * @param marketId String identifying market we want data for. eg. 'REPAUG'.
+ */
+async function getAndSaveMarketOrderbook(oasisSource: OasisSource, market: OasisMarket): Promise<void> {
+ logUtils.log(`${market.id}: Retrieving orderbook.`);
+ const orderBook = await oasisSource.getMarketOrderbookAsync(market.id);
+ const observedTimestamp = Date.now();
+
+ logUtils.log(`${market.id}: Parsing orders.`);
+ const orders = parseOasisOrders(orderBook, market, observedTimestamp, OASIS_SOURCE);
+
+ if (orders.length > 0) {
+ logUtils.log(`${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/packages/pipeline/test/parsers/ddex_orders/index_test.ts b/packages/pipeline/test/parsers/ddex_orders/index_test.ts
index 213100f44..9f4bfe7e3 100644
--- a/packages/pipeline/test/parsers/ddex_orders/index_test.ts
+++ b/packages/pipeline/test/parsers/ddex_orders/index_test.ts
@@ -4,7 +4,7 @@ import 'mocha';
import { DdexMarket } from '../../../src/data_sources/ddex';
import { TokenOrderbookSnapshot as TokenOrder } from '../../../src/entities';
-import { aggregateOrders, parseDdexOrder } from '../../../src/parsers/ddex_orders';
+import { parseDdexOrder } from '../../../src/parsers/ddex_orders';
import { OrderType } from '../../../src/types';
import { chaiSetup } from '../../utils/chai_setup';
@@ -13,19 +13,6 @@ const expect = chai.expect;
// tslint:disable:custom-no-magic-numbers
describe('ddex_orders', () => {
- describe('aggregateOrders', () => {
- it('aggregates orders by price point', () => {
- const input = [
- { price: '1', amount: '20', orderId: 'testtest' },
- { price: '1', amount: '30', orderId: 'testone' },
- { price: '2', amount: '100', orderId: 'testtwo' },
- ];
- const expected = [['1', new BigNumber(50)], ['2', new BigNumber(100)]];
- const actual = aggregateOrders(input);
- expect(actual).deep.equal(expected);
- });
- });
-
describe('parseDdexOrder', () => {
it('converts ddexOrder to TokenOrder entity', () => {
const ddexOrder: [string, BigNumber] = ['0.5', new BigNumber(10)];
diff --git a/packages/pipeline/test/parsers/idex_orders/index_test.ts b/packages/pipeline/test/parsers/idex_orders/index_test.ts
new file mode 100644
index 000000000..d54ecb9a8
--- /dev/null
+++ b/packages/pipeline/test/parsers/idex_orders/index_test.ts
@@ -0,0 +1,87 @@
+import { BigNumber } from '@0x/utils';
+import * as chai from 'chai';
+import 'mocha';
+
+import { IdexOrderParam } from '../../../src/data_sources/idex';
+import { TokenOrderbookSnapshot as TokenOrder } from '../../../src/entities';
+import { parseIdexOrder } from '../../../src/parsers/idex_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('idex_orders', () => {
+ describe('parseIdexOrder', () => {
+ // for market listed as 'DEF_ABC'.
+ it('correctly converts bid type idexOrder to TokenOrder entity', () => {
+ const idexOrder: [string, BigNumber] = ['0.5', new BigNumber(10)];
+ const idexOrderParam: IdexOrderParam = {
+ tokenBuy: '0x0000000000000000000000000000000000000000',
+ buySymbol: 'ABC',
+ buyPrecision: 2,
+ amountBuy: '10',
+ tokenSell: '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81',
+ sellSymbol: 'DEF',
+ sellPrecision: 2,
+ amountSell: '5',
+ expires: Date.now() + 100000,
+ nonce: 1,
+ user: '0x212345667543456435324564345643453453333',
+ };
+ const observedTimestamp: number = Date.now();
+ const orderType: OrderType = 'bid';
+ const source: string = 'idex';
+
+ const expected = new TokenOrder();
+ expected.source = 'idex';
+ expected.observedTimestamp = observedTimestamp;
+ expected.orderType = 'bid';
+ expected.price = new BigNumber(0.5);
+ expected.baseAssetSymbol = 'ABC';
+ expected.baseAssetAddress = '0x0000000000000000000000000000000000000000';
+ expected.baseVolume = new BigNumber(10);
+ expected.quoteAssetSymbol = 'DEF';
+ expected.quoteAssetAddress = '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81';
+ expected.quoteVolume = new BigNumber(5);
+
+ const actual = parseIdexOrder(idexOrderParam, observedTimestamp, orderType, source, idexOrder);
+ expect(actual).deep.equal(expected);
+ });
+ it('correctly converts ask type idexOrder to TokenOrder entity', () => {
+ const idexOrder: [string, BigNumber] = ['0.5', new BigNumber(10)];
+ const idexOrderParam: IdexOrderParam = {
+ tokenBuy: '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81',
+ buySymbol: 'DEF',
+ buyPrecision: 2,
+ amountBuy: '5',
+ tokenSell: '0x0000000000000000000000000000000000000000',
+ sellSymbol: 'ABC',
+ sellPrecision: 2,
+ amountSell: '10',
+ expires: Date.now() + 100000,
+ nonce: 1,
+ user: '0x212345667543456435324564345643453453333',
+ };
+ const observedTimestamp: number = Date.now();
+ const orderType: OrderType = 'ask';
+ const source: string = 'idex';
+
+ const expected = new TokenOrder();
+ expected.source = 'idex';
+ expected.observedTimestamp = observedTimestamp;
+ expected.orderType = 'ask';
+ expected.price = new BigNumber(0.5);
+ expected.baseAssetSymbol = 'ABC';
+ expected.baseAssetAddress = '0x0000000000000000000000000000000000000000';
+ expected.baseVolume = new BigNumber(10);
+ expected.quoteAssetSymbol = 'DEF';
+ expected.quoteAssetAddress = '0xb45df06e38540a675fdb5b598abf2c0dbe9d6b81';
+ expected.quoteVolume = new BigNumber(5);
+
+ 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
new file mode 100644
index 000000000..9e8ba9a40
--- /dev/null
+++ b/packages/pipeline/test/parsers/oasis_orders/index_test.ts
@@ -0,0 +1,49 @@
+import { BigNumber } from '@0x/utils';
+import * as chai from 'chai';
+import 'mocha';
+
+import { OasisMarket } from '../../../src/data_sources/oasis';
+import { TokenOrderbookSnapshot as TokenOrder } from '../../../src/entities';
+import { parseOasisOrder } from '../../../src/parsers/oasis_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('oasis_orders', () => {
+ describe('parseOasisOrder', () => {
+ it('converts oasisOrder to TokenOrder entity', () => {
+ const oasisOrder: [string, BigNumber] = ['0.5', new BigNumber(10)];
+ const oasisMarket: OasisMarket = {
+ id: 'ABCDEF',
+ base: 'DEF',
+ quote: 'ABC',
+ buyVol: 100,
+ sellVol: 200,
+ price: 1,
+ high: 1,
+ low: 0,
+ };
+ const observedTimestamp: number = Date.now();
+ const orderType: OrderType = 'bid';
+ const source: string = 'oasis';
+
+ const expected = new TokenOrder();
+ expected.source = 'oasis';
+ expected.observedTimestamp = observedTimestamp;
+ expected.orderType = 'bid';
+ expected.price = new BigNumber(0.5);
+ expected.baseAssetSymbol = 'DEF';
+ expected.baseAssetAddress = null;
+ expected.baseVolume = new BigNumber(5);
+ expected.quoteAssetSymbol = 'ABC';
+ expected.quoteAssetAddress = null;
+ expected.quoteVolume = new BigNumber(10);
+
+ const actual = parseOasisOrder(oasisMarket, observedTimestamp, orderType, source, oasisOrder);
+ expect(actual).deep.equal(expected);
+ });
+ });
+});
diff --git a/packages/pipeline/test/parsers/utils/index_test.ts b/packages/pipeline/test/parsers/utils/index_test.ts
new file mode 100644
index 000000000..5a0d0f182
--- /dev/null
+++ b/packages/pipeline/test/parsers/utils/index_test.ts
@@ -0,0 +1,30 @@
+import { BigNumber } from '@0x/utils';
+import * as chai from 'chai';
+import 'mocha';
+
+import { aggregateOrders, GenericRawOrder } from '../../../src/parsers/utils';
+import { chaiSetup } from '../../utils/chai_setup';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+// tslint:disable:custom-no-magic-numbers
+describe('aggregateOrders', () => {
+ it('aggregates order by price point', () => {
+ const input = [
+ { price: '1', amount: '20', orderHash: 'testtest', total: '20' },
+ { price: '1', amount: '30', orderHash: 'testone', total: '30' },
+ { price: '2', amount: '100', orderHash: 'testtwo', total: '200' },
+ ];
+ const expected = [['1', new BigNumber(50)], ['2', new BigNumber(100)]];
+ const actual = aggregateOrders(input);
+ expect(actual).deep.equal(expected);
+ });
+
+ it('handles empty orders gracefully', () => {
+ const input: GenericRawOrder[] = [];
+ const expected: Array<[string, BigNumber]> = [];
+ const actual = aggregateOrders(input);
+ expect(actual).deep.equal(expected);
+ });
+});