All Questions
Tagged with server-side web3js
11 questions
4
votes
1
answer
4k
views
How to get connected wallet address in node.js server side
I couldn't find a way to obtain accounts the user connected in my website in my node.js web server.
This is what I've tried
const express = require('express');
const Web3 = require('web3');
const web3 ...
- 53
1
vote
3
answers
3k
views
How to use web3.js in node.js web server
I am wondering how to use web3.js in my node.js web server in the correct way. I have a button in the homepage where allows users to connect to their wallet, and it is done in my front end. After ...
- 53
0
votes
0
answers
214
views
How to prepare a transaction from the server and sign it in the front-end?
Is there a way to prepare a transaction from the server, then wait for the user to sign the transaction from the frontend with Metamask, before running other functions from the server (e.g., update a ...
- 1
2
votes
1
answer
443
views
How do I listen to Contract Events in my Express App?
I have a Smart Contract rps.
I want my express app to be able to listen to its events.
My express app:
require("dotenv").config();
const express = require("express");
const app = ...
- 103
6
votes
3
answers
2k
views
Why do blockchain networks like Ethereum utilize JSON RPC calls and not REST APIs or graphQL?
I'm sorry. This might be a silly question but I am very much new to backends and networking protocols. I can write decent smart contracts but I don't know much about the backend.
So... I wanted to ...
0
votes
0
answers
38
views
my dapp works perfect on local but when i upload to server the address returns null using web3
I have a project which I've been working on and so far it works perfectly on local. But when I uploaded the project to the server it is unable to get address using web3.
const network = await web3....
- 147
9
votes
2
answers
3k
views
should I use server side rendering(Next.js) for a dapp?
Recently I have been studying a lot about dapps and now working on a little complex one. So what I wanted to ask is which is better for a dapp ? SSR or CSR ?
I have read in a couple of places that we ...
4
votes
0
answers
1k
views
ping / pong pattern for infura websocket [closed]
Infura websockets disconnect after an hour of in-activity so they suggest you ping / pong the connection at an interval less then an hour.
My problem is I'm new to server-side programming and don't ...
- 468
2
votes
2
answers
1k
views
How to deploy a smart contract in a server?
I have developed a smart contract and compiled it with solc and bin and abi fils have been generated. Now, I want to deploy this contract using web3js in a linux server. How can I do it?
- 2,700
1
vote
1
answer
366
views
Can I relay signed transactions from device to server to Ethereum?
I am trying to generate transactions from a device that will have a copy of my private key, send that over to my node server, which will then just send that over to ethereum.
Are transactions just ...
- 279
2
votes
1
answer
786
views
How to use contracts deployed by embark on the server side of a meteor app?
I have created my example using embark meteor_demo and then changed my configuration on embark.yml to output the contract on the server folder instead of the client.
From that point i started getting ...
- 226