WIP - Breaking change: decouple from "axios"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@multiversx/sdk-network-providers",
-  "version": "2.2.0",
+  "version": "3.0.0-alpha.0",
   "lockfileVersion": 2,
   "requires": true,
   "author": "MultiversX",
@@ -13,19 +13,19 @@
   "types": "out/index.d.js",
   "packages": {},
   "dependencies": {
-    "axios": "1.6.1",
     "bech32": "1.1.4",
     "bignumber.js": "9.0.1",
-    "buffer": "6.0.3",
-    "json-bigint": "1.0.0"
+    "buffer": "6.0.3"
   },
   "devDependencies": {
     "@types/assert": "1.4.6",
     "@types/chai": "4.2.11",
     "@types/mocha": "9.1.0",
     "@types/node": "13.13.2",
     "assert": "2.0.0",
+    "axios": "1.6.2",
     "chai": "4.2.0",
+    "json-bigint": "1.0.0",
     "mocha": "9.2.2",
     "ts-node": "9.1.1",
     "tslint": "6.1.3",

src/apiNetworkProvider.ts

@@ -1,10 +1,9 @@
-import axios, { AxiosRequestConfig } from "axios";
 import { AccountOnNetwork, GuardianData } from "./accounts";
-import { defaultAxiosConfig, defaultPagination } from "./config";
+import { defaultPagination } from "./config";
 import { ContractQueryRequest } from "./contractQueryRequest";
 import { ContractQueryResponse } from "./contractQueryResponse";
 import { ErrContractQuery, ErrNetworkProvider } from "./errors";
-import { IAddress, IContractQuery, INetworkProvider, IPagination, ITransaction } from "./interface";
+import { IAddress, IContractQuery, IHttpProvider, INetworkProvider, IPagination, ITransaction } from "./interface";
 import { NetworkConfig } from "./networkConfig";
 import { NetworkGeneralStatistics } from "./networkGeneralStatistics";
 import { NetworkStake } from "./networkStake";
@@ -19,14 +18,18 @@ import { TransactionStatus } from "./transactionStatus";
 
 // TODO: Find & remove duplicate code between "ProxyNetworkProvider" and "ApiNetworkProvider".
 export class ApiNetworkProvider implements INetworkProvider {
-    private url: string;
-    private config: AxiosRequestConfig;
+    private baseUrl: string;
+    private httpProvider: IHttpProvider;
     private backingProxyNetworkProvider;
 
-    constructor(url: string, config?: AxiosRequestConfig) {
-        this.url = url;
-        this.config = { ...defaultAxiosConfig, ...config };
-        this.backingProxyNetworkProvider = new ProxyNetworkProvider(url, config);
+    constructor(options: { baseUrl: string, httpProvider: IHttpProvider }) {
+        this.baseUrl = options.baseUrl;
+        this.httpProvider = options.httpProvider;
+
+        this.backingProxyNetworkProvider = new ProxyNetworkProvider({
+            baseUrl: options.baseUrl,
+            httpProvider: options.httpProvider
+        });
     }
 
     async getNetworkConfig(): Promise<NetworkConfig> {
@@ -176,29 +179,22 @@ export class ApiNetworkProvider implements INetworkProvider {
     }
 
     private async doGet(resourceUrl: string): Promise<any> {
-        let url = `${this.url}/${resourceUrl}`;
+        const url = `${this.baseUrl}/${resourceUrl}`;
 
         try {
-            let response = await axios.get(url, this.config);
-            return response.data;
+            const response = await this.httpProvider.get(url);
+            return response;
         } catch (error) {
             this.handleApiError(error, resourceUrl);
         }
     }
 
     private async doPost(resourceUrl: string, payload: any): Promise<any> {
-        let url = `${this.url}/${resourceUrl}`;
+        const url = `${this.baseUrl}/${resourceUrl}`;
 
         try {
-            let response = await axios.post(url, payload, {
-                ...this.config,
-                headers: {
-                    "Content-Type": "application/json",
-                    ...this.config.headers,
-                },
-            });
-            let responsePayload = response.data;
-            return responsePayload;
+            const response = await this.httpProvider.post(url, payload);
+            return response;
         } catch (error) {
             this.handleApiError(error, resourceUrl);
         }

src/config.ts

@@ -1,17 +1,5 @@
 import { IPagination } from "./interface";
 
-const JSONbig = require("json-bigint")({ constructorAction: 'ignore' });
-
-export const defaultAxiosConfig = {
-    timeout: 5000,
-    // See: https://github.com/axios/axios/issues/983 regarding transformResponse
-    transformResponse: [
-        function (data: any) {
-            return JSONbig.parse(data);
-        }
-    ]
-};
-
 export const defaultPagination: IPagination = {
     from: 0,
     size: 100

src/interface.ts

@@ -133,3 +133,8 @@ export interface ITransaction {
 }
 
 export interface IAddress { bech32(): string; }
+
+export interface IHttpProvider {
+    get<T = any>(url: string): Promise<T>;
+    post<T = any>(url: string, payload: any): Promise<T>;
+}