Questions tagged [ropsten]
Questions related to the Ropsten testnet: https://blog.ethereum.org/2016/11/20/from-morden-to-ropsten
363
questions
0
votes
0answers
8 views
Truffle to Ropsten Testnet Deployment Issue: No migration
I am trying to deploy my contract on Ropsten test network through Truffle Framework. I use the command truffle migrate --network ropsten.
Following is my truffle-config.js:
const HDWalletProvider = ...
1
vote
1answer
34 views
Why does Ropsten faucet show “Your account is grey listed for 0 hours and 0 minutes”?
I am requesting test ether from a Ropsten faucet, but it is showing an error. Please help me to resolve this error.
0
votes
1answer
14 views
Deploy smart contract on Ropsten, Kovan
When I deploy my truffle smart contract on test networks like Ropsten and Kovan, can I interact with it using multiple PCs at once simultaneously?
And will the data updated from one PC be visible on ...
0
votes
1answer
31 views
NodeJS + Web3 + Infura Ropsten - Error: Invalid JSON RPC response: “”
I have problem with invalid response to ethereum from BE NodeJS app.
I got error like:
Error: Invalid JSON RPC response: ""
Below I'd attached my simple code for testing connection.
const Web3 = ...
0
votes
0answers
18 views
How to recieve notification of incoming transaction in metamask mobile in real time
I have a erc-20 token in the ropsten testnet and i am using my metamask for admin my token, and i just want to recieve a notification via sms, to take screenshot, whatsapp or another way frendly user, ...
0
votes
1answer
75 views
Error while buying test ether from https://faucet.metamask.io/ - Mastering Ethereum
I am using Ethereum wallet MetaMask chrome extension and I am connected to Ropsten test network. I am following the instructions from the book Mastering Ethereum: Building Smart Contracts and DApps ...
0
votes
2answers
16 views
Function does not return value on ropsten [duplicate]
This code returns the address perfectly when i run it on ganache local chain but when i run this on ropsten it just returns a "-"
Any idea on what the problem is?
function newMatch(uint _matchId,...
2
votes
1answer
32 views
Error trying to get events in web3.py via Infura
I was trying to get all events from my smart contract (in Ropsten) via Infura node.
The problem is that I know that Infura does no support creating filters, but I don't know how to get events by ...
1
vote
0answers
28 views
Who confirms Ropsten and Rinkeby transactions?
Basic or more like "fundamental" question I guess:
So if I got that right, each time someone runs Geth/Parity or other software they all become part of the EVM (ethereum virtual machine). However ...
1
vote
1answer
43 views
Problems calling function with web3 from python
I was trying to call a function from my python server to a contract deployed in Ropsten.
This is my method in the contract:
function send(address receiver, uint amount) public {
require(msg....
0
votes
1answer
31 views
Error sending ether to a a smart contract deployed in ropsten with web3 with python
I am trying to send ether to a smart contract deployed on ropsten via infura, but I am having some problems in txn.
The error is "Error in Txn: Reverted".
The sender account has enought ether to ...
0
votes
0answers
8 views
How can I find reliable Ropsten nodes for adding to my nodes whitelist?
After the recent hard-fork on Ropsten we follow the tip on peter_szilagyi tweet to add a peer whitelist.
In case we want to add more nodes to our whitelist as in Connect to static nodes. where can I ...
0
votes
0answers
5 views
If I'll remove the peer whitelist that I've added after Ropsten hard-fork split while longest chain exists, how the node react?
After Istanbul Ropsten hard fork split, I followed whitelist tip - https://twitter.com/peter_szilagyi/status/1178634327518781441.
How a node will react in case I'll remove the whitelist while the ...
1
vote
0answers
43 views
Ganache is not showing any events
I have a contract method which emits events but ganache seems not to catch any events. I say this because when I deploy my contract on ropsten the events are being caught fine but only in ganache I ...
0
votes
1answer
24 views
Does transaction hash in Ropsten ( testnet) deprecate ever?
I want to know whether transaction hash created in testnet stay forever or after sometime it gets deleted? Like in IPFS garbage collector deletes unpinned files after two weeks. IPFS is also ...
1
vote
1answer
36 views
Different gas usage of trivial reverting contract function
We are currently testing functions on Ropsten test network and have an issue regarding the gas usage. Our functions sometimes use 12 gas more and we can not fathom why that would be the case. To test ...
0
votes
1answer
58 views
web3.js keeps throwing “error: insufficient funds for gas * price + value” on ropsten
I have been chacking around the site for possible solutions but i havent found any that would solve my (probably most basic) error. The account from which i'm sending has around 1 ether and i'm ...
1
vote
0answers
21 views
How a contract on Ropsten (deployed after fork) emit 3/5 events on the shorter chain while same contract on longer chain emits 5/5 of the events
General info:
We have a full-node, which broadcast our txs.
We have a EventSource contract which contains 5 events types.
The eventSource contract deployed only after Istanbul fork. Our node was ...
0
votes
1answer
43 views
Cannot deploy new contracts with pending transactions (Ropsten)
I have a very strange and annoying problem. I am trying to deploy a new contract however it just keeps cycling. I have the same problem on the POA testnet and on Ropsten. Please see below:
I have ...
0
votes
1answer
49 views
Need a guide to access my ropsten test network contracts through my command line and not remix
I have written and published a contract on the ropsten test network using remix. Now I want to access the functions of the smart contract from my command line (My PC) and not the remix IDE. Is there a ...
0
votes
0answers
17 views
Can't migrate, ropsten randomly throws out of gas
I have the following migration files with 50 contracts' deployment and their setup (calling each other functions like privileges, access and so on):
On the development network everything works fine. ...
0
votes
0answers
30 views
Getting empty events in response of receipt. I am using Infura+web3.js+ropsten
JS code
contract.methods
.myFunction(
"data1",
1568545262,
1568631662,
1568718062,
"0xD4496dA2a4b376fC8s4d786EB6B71483436077c4"
)
.send({
from: "...
0
votes
0answers
169 views
Why my geth fast node suddenly stopped running?
Fatal: Error starting protocol stack: gap (#3) in the chain between ancients and leveldb
when I run geth node for ropsten by :
geth --testnet --syncmode "fast" --cache=512 --rpc --ws --shh console
...
0
votes
0answers
22 views
Contract deployed successfully on localhost and mainnet, but gives error on rinkeby and ropsten
I tried to deploy a contract to rinkeby then on ropsten, but getting an error:
Network ropsten-fork
Minting initial supply of 5000000000 ...
Error: Error: Error: invalid address (arg="_to", coderType=...
1
vote
2answers
50 views
“Gas estimation failed” on Ropsten with Invalid RPC JSON
I'm running into an issue going through a basic example in "Mastering Ethereum"...
I have a Faucet contract (on Ropsten) per the book that looks like...
pragma solidity ^0.5.1; //mastering ethereum ...
1
vote
0answers
15 views
Unknown account error when initiating transactions from remote node
I am using Ropsten network and trying to transfer ether from my metamask account to my another account using geth client. I am using the methods like eth.signTransaction, eth.sendTransaction in CLI, ...
2
votes
1answer
32 views
How to know in advance the gas used by a transaction?
I want to send an ERC20 token (Ropsten network). So I execute a function 'transfer' on a contract. When The transaction is sent, I can get the gas used in the receipt. Few months ago this amount was ...
0
votes
1answer
125 views
Error: Invalid JSON RPC response | ropsten.infura
I'm trying to deploy my contracts to the ropsten test network, but I get this error.
the message error :
C:\Users\acer\test>truffle migrate --reset --network ropsten
Using network 'ropsten'.
...
2
votes
2answers
39 views
Troubleshooting a revert on Ropsten
I’ve deployed a contract to Ropsten and am testing it manually with Remix. This transaction reverts for whatever reason (we have unit tests where everything looks fine).
In our contract for all of ...
0
votes
2answers
82 views
Truffle migrate --network ropsten always runs development network
I am trying to deploy a simple contract to the Ropsten network using Truffle and Infura. I have set up the Ropsten network in the truffle-confug.js file but it seems truffle always uses the ...
0
votes
0answers
124 views
cannot unmarshal hex string of odd length into Go value of type hexutil.Bytes?
const Tx = require('ethereumjs-tx').Transaction;
const Web3 = require('web3');
const web3 = new Web3('https://ropsten.infura.io/161d7c8443f14babb3c176023628a055');
// console.log(web3.eth.accounts....
0
votes
1answer
38 views
How do we communicate with contract functionality which is deployed in public test network using web3j [closed]
I would like to write a wepapp for security token contract which is deployed in public Ropsten Test Network using web3j. Need some idea.
Thanks in Advance
0
votes
2answers
74 views
how to write backend for contract if you use infura ropsten metamask and remix
i'm using metamask with ropsten. deployed my contract on ropsten using remix. for the backend i used infura to create instance of web3.
ew Web3(new Web3.providers.HttpProvider('https://ropsten.infura....
0
votes
1answer
256 views
myContract.getPastEvents(“allEvents”) returns empty array
I want to get all past events from a contract I deployed on the Ropsten network.
Contract is:
pragma solidity ^0.5.1;
contract SampleContract {
uint storageData;
event MamboNumberTwo(uint ...
1
vote
0answers
141 views
Access to XMLHttpRequest at 'https://ropsten.infura.io/' from origin 'null' has been blocked by CORS policy
I want to interact with a simple contract on the ropsten network this is my Js code :
Web3 = require('web3');
if (typeof web3 != 'undefined')
{
web3 = new Web3(web3.currentProvider);
console....
0
votes
0answers
46 views
iOS Wallets that support testnet
Is there any good iOS app that supports custom erc20 tokens over testnets like Rospten? I’m testing new custom tokens and need to test it over a test net before deploying to the main-net.
Thank you
0
votes
1answer
231 views
Ropsten Test Network
I have created a test token and deployed it on the ropsten test network. I have the full balance in my ether wallet. My question is how can I transfer this token to other wallets? How can I configure ...
0
votes
1answer
233 views
Transaction stuck in 'Pending' state when using 'sendSignedTransaction'
I am trying to execute a transaction by first signing it with my private key using ethereumjs-tx and then using sendSignedTransaction to send the transaction to the network. But somehow the ...
0
votes
1answer
20 views
problem displaying ico
I created an ICO using ropsten (because I did not have an ETH) and when I search for my ICO on https://etherscan.io, I cannot find it.
I can only find it here: https://ropsten.etherscan.io.
Is it ...
0
votes
1answer
42 views
Why does Ropsten consume more Gas than Rinkeby?
I deployed the following smart contract both to Rinkeby and to Ropsten.
pragma solidity ^0.5.8;
contract storeHash{
string private vehicleData;
function setVehicleData(...
0
votes
1answer
94 views
Unable to Deploy Smart-contract to Ropsten from Truffle using Infura
I want to deploy my smart-contract on ropsten or rinkeby network from Truffle using Infura API, but face difficulty in deploying on any network.
I am using windows and my contract works well on ...
0
votes
1answer
25 views
How to remove byte code of deployed smart contract which was deployed using Ropsten Test Network?
I 've deployed my smart contract on Etherscan using Ropsten Test network. I can see there is bytecode for my deployed contract on ropsten etherscan. I want to hide or don't want to show the bytecode ...
0
votes
1answer
671 views
Gas estimation failed: gas required exceeds allowance or always failing transaction
I have two contracts one for defining token and other for crowdsale. I am using remix ide.
pragma solidity >=0.4.22 <0.6.0;
contract owned {
address public owner;
constructor () public {
...
0
votes
0answers
82 views
Transaction to Smart Contract runs out of gas on Ropsten but not on Rinkeby
the following execution of my smart contract function runs out of Gas on the Ropsten network, but works fine on Rinkeby, do you have an idea why this happens?
struct vehicleData{
string ...
0
votes
0answers
58 views
parity_pendingTransactions method return empty with parity light mode on ropsten testnet
I use parity with light mode and RPC call parity_pendingTransactions always return empty result. I'm using ropsten testnet network.
How can I fix this problem ?
here the example
curl --data '{"...
1
vote
2answers
25 views
Simple contract throws for no apparent reason
the thing is that i have a very simple contract code that I wrote as a kind of "Hello World!", but it doesn't seem to work properly, and I can't see any reason why it wouldn't work.
The code I'm ...
3
votes
2answers
648 views
Error while migrating contracts to Ropsten using truffle - Error: legacy access request rate exceeded
I'm deploying some contract to Ropsten ethereum test network using Truffle but it gave me this error:
Error: legacy access request rate exceeded
I have no idea what does it means and what should I ...
0
votes
2answers
31 views
Is it possible to use MetaMask for a private consortium on Ethereum?
Assuming we create a private consortium chain over Ethereum and we want to use MetaMask for storing the keys and signing transactions to send the tokens belonging to this private consortium. ...
1
vote
1answer
305 views
Error on WebSocket connection to Infura Ropsten (broken close frame)
I am trying to connect to Ropsten with Web3js (1.0) via Infura using their WebSocket provider but I am getting the following error:
WebSocket connection to 'wss://ropsten.infura.io/ws' failed: ...
0
votes
0answers
37 views
Problem sync test network
I have problems with networkid 3 (testnet). I installed Geth/v1.8.23-stable-c9427004/windows-amd64/go1.11.5 and run
geth --networkid 3 --ipcdisable --maxpeers=25 --syncmode "light" --rpccorsdomain * -...
