feat: get asset rate added

Author: Ho3einWave

src/services/tonapi/tonapi.service.ts

@@ -1,6 +1,13 @@
 import { address } from '@ton/ton';
 import { Services } from '../../core/services';
-import { Balance, CustomPayload, IJettonsRate, WalletAssets, WalletInfo } from '../../types/swap';
+import {
+    Balance,
+    CustomPayload,
+    IJettonsRate,
+    Prices,
+    WalletAssets,
+    WalletInfo,
+} from '../../types/swap';
 
 export class TonApi extends Services {
     public async getJettonData(walletAddr: string, jettonAddress: string) {
@@ -77,4 +84,25 @@ export class TonApi extends Services {
         }, new Map<string, Balance>());
         return newBalances;
     }
+
+    /**
+     * getAssetsRates
+     */
+    public async getAssetsRates(assetsAddresses: string[]) {
+        const addresses = assetsAddresses.join(',');
+        const { rates } = await this.client.request.send<IJettonsRate>({
+            baseURL: 'https://tonapi.io/v2',
+            url: `/rates?tokens=${
+                addresses.length > 0 ? addresses : ''
+            },EQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM9c&currencies=usd`,
+        });
+
+        const ratesMap = assetsAddresses.reduce((map, item) => {
+            const userFriendlyAddr = address(item).toString();
+            map.set(userFriendlyAddr, rates[userFriendlyAddr].prices);
+            return map;
+        }, new Map<string, Prices>());
+
+        return ratesMap;
+    }
 }

src/services/tonapi/tonapi.test.ts

@@ -30,6 +30,26 @@ test('it should get user assets in type of map', async () => {
     );
 });
 
+test('it should get asset rate by any address', async () => {
+    const rateRaw = await client.tonapi.getAssetsRates([
+        '0:0000000000000000000000000000000000000000000000000000000000000000',
+    ]);
+    expect(
+        rateRaw.get('EQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM9c')?.USD,
+    ).not.toBeUndefined();
+    expect(rateRaw.get('EQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM9c')?.USD).toBeNumber();
+    const rateEq = await client.tonapi.getAssetsRates([
+        'EQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM9c',
+    ]);
+    expect(rateEq.get('EQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM9c')?.USD).not.toBeUndefined();
+    expect(rateEq.get('EQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM9c')?.USD).toBeNumber();
+    const rateUq = await client.tonapi.getAssetsRates([
+        'UQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJKZ',
+    ]);
+    expect(rateUq.get('EQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM9c')?.USD).not.toBeUndefined();
+    expect(rateUq.get('EQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAM9c')?.USD).toBeNumber();
+});
+
 // test('it should get custom payload for Hamster Kombat Token', async () => {
 //     const customPayload = await client.tonapi.getCustomPayload(userWallet, hmstrJetton);
 //     expect(customPayload.custom_payload).not.toBeUndefined();

src/types/swap.ts

@@ -31,7 +31,7 @@ export interface IJettonsRate {
 }
 
 export interface Rates {
-    [key: string]: Price;
+    [address: string]: Price;
 }
 export interface Price {
     prices: Prices;
@@ -41,6 +41,7 @@ export interface Price {
 }
 
 export interface Prices {
+    USD: number;
     [key: string]: number;
 }