All Questions
6 questions
4
votes
1
answer
2k
views
How to generate deterministic keypairs using ed25519
I am trying to implement my wallet using ed25519 curve, i was using tweetnacl from this link "https://github.com/dchest/tweetnacl-js" its working, But i want to generate deterministic key-pair ...
- 73
0
votes
2
answers
1k
views
Metamask Rinkeby Ether Balance missing
I got some Rinkeby ethers from the Rinkeby faucet, after a minute or so, it showed up in my MetaMask Rinkeby network. But then after a while, my MetaMask shows 0 balance for the Rinkeby network. How ...
- 1,814
0
votes
1
answer
76
views
React returns Error 'TypeError: ETHEREUM_CLIENT.eth.contract is not a function' when I trying to connect to my ethereum contract
I declared the variables as follows
import React, { Component } from 'react';
import logo from './logo.svg';
import './App.css';
import Web3 from 'web3';
var ETHEREUM_CLIENT = new Web3(new Web3....
- 147
2
votes
3
answers
2k
views
What is the "right" way to send Ether to multiple addresses?
I have seen this discussed here but didn't get a satisfactory answer.
What is the recommended way to send ether to multiple recipients?
One way that I have thought of is follows:
Deploy a smart ...
- 356
3
votes
1
answer
3k
views
How to find out the value using call() method in truffle and testrpc?
pragma solidity ^0.4.2;
contract Transfer {
address public owner;
mapping (address => uint) balances;
// constructor
...
- 1,174
5
votes
1
answer
2k
views
How to transfer from one ether wallet to another?
I am trying to transfer ether programatically with EthereumJ from my wallet to anothers. I have seen A similar question here but the answer did not define and initialize all the variables, nor did the ...
- 51