retry mx-scenario - set max attempts to retry

Author: BiancaIalangi

Cargo.lock

@@ -42,6 +42,7 @@ pathdiff = "0.2.1"
 common-path = "1.0.0"
 bip39 = "2.0.0"
 home = "=0.5.11"
+anyhow = "1.0"
 
 [dependencies.multiversx-sc-meta-lib]
 version = "=0.59.1"

framework/meta/Cargo.toml

@@ -1,3 +1,4 @@
+use anyhow::{anyhow, Result};
 use core::time;
 use serde_json::Value;
 use std::{
@@ -11,6 +12,9 @@ use multiversx_sc_meta_lib::print_util::println_green;
 
 use super::system_info::{get_system_info, SystemInfo};
 
+const API_LIMIT_EXCEEDED: &str = "api rate limit exceeded for";
+const MAX_RETRIES: u64 = 5;
+const RETRY_DELAY: time::Duration = time::Duration::from_secs(2);
 const USER_AGENT: &str = "multiversx-sc-meta";
 const SCENARIO_CLI_RELEASES_BASE_URL: &str =
     "https://api.github.com/repos/multiversx/mx-chain-scenario-cli-go/releases";
@@ -80,11 +84,13 @@ impl ScenarioGoInstaller {
         }
     }
 
-    async fn get_scenario_go_release_json(&self) -> Result<String, reqwest::Error> {
+    async fn get_scenario_go_release_json(&self) -> Result<String> {
         let release_url = self.release_url();
         println_green(format!("Retrieving release info: {release_url}"));
 
-        loop {
+        let mut wait_time = RETRY_DELAY;
+
+        for i in 0..MAX_RETRIES {
             let response = reqwest::Client::builder()
                 .user_agent(&self.user_agent)
                 .build()?
@@ -94,13 +100,19 @@ impl ScenarioGoInstaller {
                 .text()
                 .await?;
 
-            if !response.contains("API rate limit exceeded for") {
+            if !response.to_lowercase().contains(API_LIMIT_EXCEEDED) {
                 return Ok(response);
             }
 
-            println!("API rate limit exceeded, retrying...");
-            sleep(time::Duration::from_secs(5));
+            println!("API rate limit exceeded, attempt {i} retrying...");
+            sleep(wait_time);
+            wait_time += RETRY_DELAY;
         }
+
+        Err(anyhow!(
+            "Failed to retrieve release info after {} retries",
+            MAX_RETRIES
+        ))
     }
 
     fn parse_scenario_go_release(&self, raw_json: &str) -> ScenarioGoRelease {