Questions tagged [ropsten]

Questions related to the Ropsten testnet: https://blog.ethereum.org/2016/11/20/from-morden-to-ropsten

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1answer
975 views

What happens after selfdestruct is called?

https://ropsten.etherscan.io/address/0xf825d3b3d06a4b46379a3c276df7f26abd055463 After selfdestruct call was made, all the balance was transferred to the deployer of the contract. Why are withdraw ...
0
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0answers
13 views

Is it normal that the last transactions don’t appear on Etherscan?

Last block with latest transaction was mined 4 hours ago. Of course, other explorers can see the latest ones but I need the Etherscan feature of accessing the details storage change of transactions. ...
0
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1answer
258 views

I tried to deploy a contract on Ropsten, but always get the following error

PS D:\nodejs\rff\metacoin> truffle --network ropsten migrate Using network 'ropsten'. Running migration: 1_initial_migration.js Deploying Migrations... Error encountered, bailing. Network state ...
1
vote
1answer
148 views

Ropsten rejects my sendSignedTransaction function

This is my code: contractNoEvents.methods.myMethod().call(function(err,foo){ if (foo.length > n) { contractNoEvents.methods.myOtherMethod().call(async function(er, bar)...
0
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1answer
35 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
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1answer
136 views

Using Proof of Authority (similar to kovan and rinkeby testnet) in my private ethereum network

Can one run a private proof of authority ethereum network? Similar to the kovan and rinkeby testnet.
1
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0answers
20 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 ...
3
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0answers
203 views

The sendSignedTransaction function does not activate the on('receipt') event at an appropriate time

console.log(transacting...); web3.eth.sendSignedTransaction('0x' + serializedTx.toString('hex')).on('receipt', receipt => { log(receipt); log(`https://ropsten.etherscan.io/tx/${receipt....
1
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2answers
213 views

Error: gas required exceeds allowance or always failing transaction at chrome-extension

I'm using Remix, Metamask, ROPSTEN and can not deploy any contract...always getting the same message...it used to work...not working any more...happens in different machines, happens with Chrome or ...
0
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3answers
48 views

how to send transaction in web3 and infura providers

I have Ropsten testnet, and infura provider. I would like send transaction from one to another account w3 = Web3(Web3.HTTPProvider('InfuraUrl')) transaction = { 'from': 'accountAddress', 'to': '...
1
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1answer
235 views

Problem retrieving ABI array from API of etherscan

I deployed my contract on ropsten through metamask and solidity browser and published it on etherscan so I can import ABI code for my nodejs app and work accordingly. When I open my contract's ABI ...
0
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1answer
34 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 ...
1
vote
1answer
243 views

How to access a deployed smart contract attributes using web3.eth.contract(abi,address) in python

web3 = Web3(provider=HTTPProvider(http://ropsten.infura.io/v4/API_KEY) abi = '[{"constant":false,"inputs":[{"name":"_utxoPos","type":"uint256"},{"name":"_txBytes","type":"bytes"},{"name":"_proof","...
2
votes
1answer
133 views

Created Crowdsales contract, sending ropsten ETH to the contract and Failed

I created crowdsale contract - https://ropsten.etherscan.io/address/0xfbb2759ef0b7169d0a2effa971845ea0f99f87b1 My token - https://ropsten.etherscan.io/token/0x0f26c1c05f1bbBC7Eff0488F1a98619e8a9758cf ...
0
votes
1answer
29 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 ...
1
vote
1answer
240 views

Manual TX over Testnet - Error: exceeds block gas limit

I was trying to follow: https://github.com/ThatOtherZach/Web3-by-Example/wiki/Send-Ether-Transaction to create and broadcast my first transaction on the ethereum testnet rinkeby. However, I am ...
0
votes
1answer
191 views

unable to deploy contract on ropston testnet

I am trying to deploy contract on ropston testnet. I have created an account through truffle console and got three test ethers from https://faucet.bitfwd.xyz/. I have confirmed that my account has ...
0
votes
1answer
136 views

Deploying Crowdsale in Ropsten Network givin Gas Limit issue

Below is the Code of My CrowdSale , which is giving The contract code couldn't be stored, please check your gas amount. pragma solidity ^0.4.18; import "./TorCoin.sol"; import "zeppelin-solidity/...
0
votes
1answer
158 views

Failed to verify contract source code due to timeout/memory limit

Failed to verify contract deployed through remix on Ropsten network both using optimization and without it. Error is: Exception #1 Occured: ERROR|The Contract solidity compilation has exceeded the ...
1
vote
1answer
315 views

When launching a GETH node to Ropsten do I have to define the --bootnodes flag?

These commands work for me I was just wondering if there is a way not to hardcode the enode addresses into the shell script. Here is what I am using and its working: geth --testnet --syncmode "fast" -...
0
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0answers
14 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. ...
1
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2answers
172 views

Transaction Hash after deploying contract with Web3.py too long

I managed to successfully deploy a contract using Web3.py to the Ethereum Ropsten network using this bit of code def deploy(self): instance = self.w3.eth.contract(abi=self.abi, bytecode=self.bin) ...
0
votes
1answer
422 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 { ...
2
votes
2answers
672 views

modify truffle console command to execute function on ropsten deployed contract thru geth

There are a couple of commands, reproduced below, which I've used successfully in the truffle console, executing on testrpc, which work and elicit the responses that I expect. How can I change them ...
1
vote
1answer
71 views

List of Token Exchanges Available on Testing Network?

Found Kyber Network Token Exchange on Ropsten so far. Please share if you know more token exchanges available on any testing network for trading Tokens as a test.
1
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1answer
300 views

CONNECTION ERROR: Couldn't connect to node when trying to connect to ropsten

I have Metamask installed on chrome and am connected to the Ropsten test network through there. However, whenever I try running my Javascript, I get the following error: CONNECTION ERROR: Couldn't ...
0
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0answers
26 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
59 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 ...
1
vote
1answer
243 views

Geth fast sync takes way too long

I am syncing my local node with rospten test network with geth sync --fast, but it takes more than 24 hours, though 99% complete, i am not able to communicate with my token contract that was deployed ...
0
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0answers
21 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
1answer
251 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: ...
4
votes
2answers
299 views

web3.eth.getGasPrice() always return 1GWei

For estimate transaction cost, I use web3.eth.getGasPrice() function. The return callback value always 1Gwei(1,000,000,000) in ROPSTEN. web3.eth.getGasPrice(function(error, result){ console.log(...
1
vote
1answer
548 views

Parity, Web3, Nodejs - Error: Transaction was not mined within 750 seconds, please make sure your transaction was properly sent

I'm using Parity ( "ropsten" test net), Nodejs and web3js to deploy smart contract from my system. Parity is synchronised in test mode, but when I run below code using Nodejs, it gave me a transaction ...
0
votes
1answer
55 views

Geth syncing fast Ropsten too long delays between importing new segments

i have a problem with my Geth Ropsten node. Time between importing new segments of chain is too long. For example logs from my docker container below geth-testnet_1_6d184080c9e1 | INFO [02-11|13:30:...
1
vote
5answers
2k views

Change web3 from localhost to Ropsten

I have a webpage that talks to a smart contract on testrpc. I connect using: web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545")); I have deployed my contract to Ropsten Test ...
33
votes
4answers
5k views

What is Olympic, Frontier, Morden, Homestead and Ropsten Ethereum blockchain?

I am studying Ethereum and have not been able to figure out the difference between Homestead and Morden. In some docs, it is written that Homestead uses a new algorithm which takes less time. I don't ...
2
votes
1answer
603 views

Why Ropsten etherscan and local Ropsten are not showing the same data?

I am running geth to sync to ropsten testnet. I verified that block 0 are identical. However, seems like the local geth doesnt sync as high as the ropsten.etherscan.io site claims and checking ...
0
votes
1answer
414 views

Gas estimate infinite

This is my code pragma solidity ^0.4.19; contract FirstContract { address creator; uint256 priceOfATransaction = msg.value; uint256 totalAmount; address buyer; function ...
0
votes
1answer
435 views

How fast can I deploy to Ropsten?

Does anyone know how fast I can deploy to the Ropsten network? I am using the following command: truffle migrate --network ropsten and I have an instance of geth running. In the geth console, when ...
0
votes
1answer
75 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'. ...
0
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1answer
318 views

Getting ethers into a Ropsten account

I am following a course. I have loaded Geth and started it with the following >"c:\program files\geth\geth" --testnet --syncmode fast --rpc --rpcapi db,eth,net,web3,personal --cache=1024 --rpcport ...
1
vote
2answers
43 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 ...
4
votes
1answer
374 views

How long does it take to “save artifacts” to Ropsten?

Migrating contracts with Truffle I get stuck at Saving artifacts... Sometimes for 10 minutes or more. I also get: Error: Transaction 0x123...123 wasn't processed in 240 seconds! Is it normal that ...
1
vote
1answer
946 views

truffle migrate hanging on Deploying Migrations

I am deploying a contract on Ropsten Network,These are my settings 2_deploy_contracts.js var SafeMath = artifacts.require("./SafeMath.sol"); var TahaCoin = artifacts.require("./TahaCoin.sol"); var ...
0
votes
1answer
42 views

Interacting with Already deployed Ethereum Contract and recording response

I understand this topic has been discussed before, but my question is specific to web3.py. How can I interact with function of already deployed ethereum contracts on Ropsten TestNet. my code runs with ...
3
votes
1answer
653 views

Ropsten infura test network + web3 js event listener

I have deployed contracts on ropsten test network. truffle.js ropsten: { provider: function() { return new HDWalletProvider(mnemonic, "https://ropsten.infura.io/<api-token>") }, ...
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, ...
1
vote
3answers
266 views

How can I call a function in deployed contract on Ropsten Testnet when I don't have ABI and source code?

For some testing I deployed several contracts on Ropsten Testnet using web3.py but now if I want to execute them or call any function from them, how can I do this? I don't have ABI as I did several ...
0
votes
1answer
37 views

How to configure APIs to run with Ropsten addresses

I have my contracts deployed on Ropsten network. I deployed those contracts from my local machine using Truffle migrate. Then I set up an AWS EC2 Ubuntu server to host my RESTful APIs. I installed ...
7
votes
3answers
1k views

How to send a lot of transactions to ethereum, using js

I'm trying to send a lot of transactions to Ethereum with one program written in js. I use node js, web3 and infura ropsten. The problem is: if i send transactions at once, most of them just disappear....