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scaffold-eth | forkable Ethereum dev stack focused on fast product | Cryptocurrency library

 by   scaffold-eth CSS Version: testy License: MIT

 by   scaffold-eth CSS Version: testy License: MIT

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kandi X-RAY | scaffold-eth Summary

scaffold-eth is a CSS library typically used in Blockchain, Cryptocurrency, Ethereum, React applications. scaffold-eth has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.
🏗 forkable Ethereum dev stack focused on fast product iterations
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • scaffold-eth has a medium active ecosystem.
  • It has 6612 star(s) with 2149 fork(s). There are 150 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 39 open issues and 176 have been closed. On average issues are closed in 34 days. There are 7 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of scaffold-eth is testy
scaffold-eth Support
Best in #Cryptocurrency
Average in #Cryptocurrency
scaffold-eth Support
Best in #Cryptocurrency
Average in #Cryptocurrency

quality kandi Quality

  • scaffold-eth has no bugs reported.
scaffold-eth Quality
Best in #Cryptocurrency
Average in #Cryptocurrency
scaffold-eth Quality
Best in #Cryptocurrency
Average in #Cryptocurrency

securitySecurity

  • scaffold-eth has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
scaffold-eth Security
Best in #Cryptocurrency
Average in #Cryptocurrency
scaffold-eth Security
Best in #Cryptocurrency
Average in #Cryptocurrency

license License

  • scaffold-eth is licensed under the MIT License. This license is Permissive.
  • Permissive licenses have the least restrictions, and you can use them in most projects.
scaffold-eth License
Best in #Cryptocurrency
Average in #Cryptocurrency
scaffold-eth License
Best in #Cryptocurrency
Average in #Cryptocurrency

buildReuse

  • scaffold-eth releases are available to install and integrate.
  • Installation instructions, examples and code snippets are available.
scaffold-eth Reuse
Best in #Cryptocurrency
Average in #Cryptocurrency
scaffold-eth Reuse
Best in #Cryptocurrency
Average in #Cryptocurrency
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scaffold-eth Key Features

🏗 forkable Ethereum dev stack focused on fast product iterations

Community Discussions

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QUESTION

Why on printing I get value of null from API call in Loop

Asked 2022-Apr-16 at 03:06

COIN LIST is an array of crypto coins(["BTCUSDT",...]). I try to get the price using getPriceAction and RSI from getRSI and these two functions are working when I try to console DATA. But when I try to print the response after the completion of the loop. It prints the empty array and the length is 0 of this array. I want to store the DATA object (consisting of SYMBOL, closing price and RSI) as an element in the response array

 import { COIN_LIST } from "./COIN_LIST.js";
    import { getPriceAction } from "./PRICE_ACTION.js";
    import { getRSI } from "./RSI.js";

async function main() {
  try {
    let response = await [];
    await COIN_LIST.forEach((element, i) => {
      setTimeout(() => {
        let data = { symbol: element };
        getPriceAction(element, "4h").then((res) => {
          data.closingPrice = res;
          getRSI(res).then((res) => {
            data.RSI = res.reverse();
            data.closingPrice = data.closingPrice.reverse();
            response.push(data);
            console.log(data)
          });
        });
      }, i * 1000);
    });
    console.log(response);
  } catch (error) {
    console.log(error.message);
  }
}
main();

ANSWER

Answered 2022-Apr-16 at 02:43

After the completion of the loop, the promises didn't get resolved yet, that's why it print an empty array. One way to achieve what you need is using await for(...), or wait for all promises to be resolved, and then print the results.

import { COIN_LIST } from "./COIN_LIST.js";
import { getPriceAction } from "./PRICE_ACTION.js";
import { getRSI } from "./RSI.js";

async function main() {
  try {
    let response = []; //---> don't need that `await`
    const promises = []; //---> array of promises
    COIN_LIST.forEach((element, i) => {
      setTimeout(() => {
        let data = { symbol: element };
        const promise = getPriceAction(element, "4h").then((res) => {
          data.closingPrice = res;
          getRSI(res).then((res) => {
            data.RSI = res.reverse();
            data.closingPrice = data.closingPrice.reverse();
            response.push(data);
            console.log(data)
          });
        });
        promises.push(promise) //---> save the reference to a promise
      }, i * 1000);
    });
    await Promise.all(promises) //---> await for all promises to be resolved, then print the result
    console.log(response);
  } catch (error) {
    console.log(error.message);
  }
}
main();

Source https://stackoverflow.com/questions/71890607

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install scaffold-eth

Prerequisites: Node (v16 LTS) plus Yarn and Git.

Support

Documentation, tutorials, challenges, and many more resources, visit: docs.scaffoldeth.io.

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