convert backend-api-demo to core service

backend-api-demo/package.json

@@ -10,6 +10,7 @@
   "author": "Manh Cao Duy",
   "license": "ISC",
   "dependencies": {
-    "axios": "^1.7.3"
+    "axios": "^1.7.3",
+    "csv-string": "^4.1.1"
   }
 }

backend-api-demo/src/const.ts

@@ -1 +1 @@
-export const EXTERNAL_DOMAIN = `https://api-v2.pendle.finance/api/external`;
+export const CORE_DOMAIN = `https://api-v2.pendle.finance/api/core`;

backend-api-demo/src/get-asset-prices.ts

@@ -1,5 +1,6 @@
-import { EXTERNAL_DOMAIN } from "./const";
+import { CORE_DOMAIN } from "./const";
 import axios from "axios";
+import { parse } from "csv-string";
 
 interface GetSpotPriceParam {
   chainId: number;
@@ -10,7 +11,9 @@ interface GetSpotPriceQuery {
 }
 
 interface GetSpotPriceResponse {
-  prices: Record<string, number>;
+  total: number;
+  addresses: string[];
+  pricesUsd: (number | null)[];
 }
 
 interface GetHistoricalPricesParam {
@@ -34,11 +37,11 @@ interface HistoricalPriceData {
 
 interface GetHistoricalPricesResponse {
   total: number;
-  limit: number;
   currency: string;
-  timestampStart: string;
-  timestampEnd: string;
-  data: HistoricalPriceData;
+  timeFrame: string;
+  timestamp_start: number;
+  timestamp_end: number;
+  results: string;
 }
 
 export async function getAssetPrices() {
@@ -48,14 +51,17 @@ export async function getAssetPrices() {
     chainId: 1, // Ethereum
   };
 
-  const targetPath = `/v1/${param.chainId}/assets/prices`;
+  const targetPath = `/v1/${param.chainId}/prices/assets/all`;
+
+  const { data } = await axios.get<GetSpotPriceResponse>(CORE_DOMAIN + targetPath);
+
+  const {total, pricesUsd, addresses} = data;
 
-  const { data } = await axios.get<GetSpotPriceResponse>(EXTERNAL_DOMAIN + targetPath);
+  console.log('result info', {total});
 
-  const { prices } = data;
+  const address = addresses[0];
 
-  const key = Object.keys(prices)[0];
-  console.log(`prices of ${key} is ${prices[key]} USD`);
+  console.log(`prices of ${address} is ${pricesUsd[0] ?? 0} USD`);
 }
 
 export async function getHistoricalAssetPrices() {
@@ -72,16 +78,19 @@ export async function getHistoricalAssetPrices() {
     timestampEnd: new Date("2024-08-11T00:00:00.000+00:00"),
   };
 
-  const targetPath = `/v1/${param.chainId}/assets/${param.address}/historical-prices`;
-  const { data: response } = await axios.get<GetHistoricalPricesResponse>(EXTERNAL_DOMAIN + targetPath, { params: query });
-  console.log('response data', {total: response.total, limit: response.limit, currency: response.currency, timestampStart: response.timestampStart, timestampEnd: response.timestampEnd});
+  const targetPath = `/v4/${param.chainId}/prices/${param.address}/ohlcv`;
+  const { data: response } = await axios.get<GetHistoricalPricesResponse>(CORE_DOMAIN + targetPath, { params: query });
+  console.log('response data', {total: response.total, currency: response.currency, timestamp_start: response.timestamp_start, timestamp_end: response.timestamp_end });
+
+  const {results} = response;
+
+  const data = parse(results, {output: 'objects'})
 
-  const {data} = response;
   console.log('first data point info', {
-    timestamp: data.timestamps[0],
-    high: data.highs[0],
-    low: data.lows[0],
-    open: data.opens[0],
-    close: data.closes[0],
+    timestamp: data[0].time,
+    high: data[0].open,
+    low: data[0].low,
+    open: data[0].open,
+    close: data[0].close,
   })
 }

backend-api-demo/src/get-list-assets.ts

@@ -1,37 +1,60 @@
 import axios from "axios";
-import { EXTERNAL_DOMAIN } from "./const";
+import { CORE_DOMAIN } from "./const";
 
 interface Param {
   chainId: number;
 }
 
+interface Query {
+  order_by?: string;
+  skip?: number;
+  limit?: number;
+  is_expired?: boolean;
+  zappable?: boolean;
+  type?: string;
+  address?: string;
+  q?: string;
+}
+
 interface AssetInfo {
   name: string;
   decimals: number;
   address: string;
   symbol: string;
-  tags: string[];
+  types: string[];
   expiry: string;
 }
 
 interface Response {
-  assets: AssetInfo[];
+  results: AssetInfo[];
+  total: number;
+  limit: number;
+  skip: number;
 }
 
-export async function getAssetList() {
+export async function getAssets() {
   // This is an example of how to get list of Pendle assets on Ethereum
 
   const param: Param = {
     chainId: 1, // Ethereum
   }
 
-  const targetPath = `/v1/${param.chainId}/assets/all`;
+  const query: Query = {
+    order_by: 'name:1',
+    skip: 0,
+    limit: 10,
+    is_expired: false,
+  }
+
+  const targetPath = `/v1/${param.chainId}/assets`;
+
+  const { data } = await axios.get<Response>(CORE_DOMAIN + targetPath, {params: query});
 
-  const { data } = await axios.get<Response>(EXTERNAL_DOMAIN + targetPath);
+  const {total, limit, skip, results: assets} = data;
 
-  const { assets } = data;
+  console.log('result info', {limit, total, skip});
 
-  const {name, address, decimals, expiry, symbol, tags} = assets[0];
+  const {name, address, decimals, expiry, symbol, types} = assets[0];
 
-  console.log('first asset', {name, address, decimals, expiry, symbol, tags});
+  console.log('first asset', {name, address, decimals, expiry, symbol, types});
 }

backend-api-demo/src/get-list-markets.ts

@@ -1,55 +1,73 @@
 import axios from "axios";
-import { EXTERNAL_DOMAIN } from "./const";
+import { CORE_DOMAIN } from "./const";
 
 interface Param {
   chainId: number;
 }
 
+interface Query {
+  order_by?: string;
+  skip?: number;
+  limit?: number;
+  is_expired?: boolean;
+  select?: string;
+  pt?: string;
+  yt?: string;
+  sy?: string;
+  q?: string;
+  is_active?: boolean;
+  categoryId?: string;
+}
+
 interface MarketInfo {
   name: string;
   address: string;
   expiry: string;
-  pt: string;
-  yt: string;
-  sy: string;
+  pt: {
+    id: string;
+  };
+  yt: {
+    id: string;
+  };
+  sy: {
+    id: string;
+  };
 }
 
 interface Response {
-  markets: MarketInfo[];
+  total: number;
+  limit: number;
+  skip: number;
+  results: MarketInfo[];
 }
 
-export async function getActiveMarkets() {
+export async function getMarkets() {
   // This is an example of how to get list of active Pendle markets on Ethereum
 
   const param: Param = {
     chainId: 1, // Ethereum
   }
 
-  const targetPath = `/v1/${param.chainId}/markets/active`;
-
-  const { data } = await axios.get<Response>(EXTERNAL_DOMAIN + targetPath);
-
-  const { markets } = data;
-
-  const {name, address, expiry, pt, sy, yt} = markets[0];
-
-  console.log('first active market', {name, address, expiry, pt, sy, yt});
-}
-
-export async function getInactiveMarkets() {
-  // This is an example of how to get list of inactive Pendle markets on Ethereum
-
-  const param: Param = {
-    chainId: 1, // Ethereum
+  const query: Query = {
+    order_by: 'name:1',
+    skip: 0,
+    limit: 10,
+    is_expired: false,
+    select: 'pro',
   }
 
-  const targetPath = `/v1/${param.chainId}/markets/inactive`;
+  const targetPath = `/v1/${param.chainId}/markets`;
+
+  const { data } = await axios.get<Response>(CORE_DOMAIN + targetPath, {params: query});
 
-  const { data } = await axios.get<Response>(EXTERNAL_DOMAIN + targetPath);
+  const { results: markets, skip, limit, total } = data;
 
-  const { markets } = data;
+  console.log('result info', {limit, total, skip});
 
   const {name, address, expiry, pt, sy, yt} = markets[0];
+  const {id: ptId} = pt;
+  const {id: syId} = sy;
+  const {id: ytId} = yt;
 
-  console.log('first inactive market', {name, address, expiry, pt, sy, yt});
+  console.log('first active market', {name, address, expiry, ptId, syId, ytId});
 }

backend-api-demo/src/get-market-historical-data.ts

@@ -1,5 +1,6 @@
-import { EXTERNAL_DOMAIN } from "./const";
+import { CORE_DOMAIN } from "./const";
 import axios from "axios";
+import { parse } from "csv-string";
 
 interface Param {
   chainId: number;
@@ -20,11 +21,9 @@ interface MarketHistoricalData {
 
 interface Response {
   total: number;
-  limit: number;
-  currency: string;
-  timestampStart: string;
-  timestampEnd: string;
-  data: MarketHistoricalData;
+  timestamp_start: string;
+  timestamp_end: string;
+  results: string;
 }
 
 export async function getMarketHistoricalData() {
@@ -41,15 +40,19 @@ export async function getMarketHistoricalData() {
     timestampEnd: new Date("2024-08-11T00:00:00.000+00:00"),
   }
 
-  const targetPath = `/v1/${param.chainId}/markets/${param.address}/historical-data`;
+  const targetPath = `/v2/${param.chainId}/markets/${param.address}/apy-history`;
 
-  const { data: response } = await axios.get<Response>(EXTERNAL_DOMAIN + targetPath, {params: query});
-  console.log('response data', {total: response.total, limit: response.limit, timestampStart: response.timestampStart, timestampEnd: response.timestampEnd});
+  const { data: response } = await axios.get<Response>(CORE_DOMAIN + targetPath, {params: query});
+
+  console.log('response data', {total: response.total, timestamp_start: response.timestamp_start, timestamp_end: response.timestamp_end });
+
+  const {results} = response;
+
+  const data = parse(results, {output: 'objects'})
 
-  const {data} = response;
   console.log('first data point info', {
-    timestamp: data.timestamps[0],
-    underlyingApy: data.underlyingApys[0],
-    impliedApy: data.impliedApys[0],
+    timestamp: data[0].timestamp,
+    underlyingApy: data[0].underlyingApy,
+    impliedApy: data[0].impliedApy,
   })
 }