Questions tagged [ropsten]

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

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How to get rid of "Gas estimation errored with the following message" in this case?

In my front-end, I try to call a function called endAuction. In endAuction, I transfer payment to a seller and participants. While calling it from the front-end the transaction fails without any ...
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1answer
35 views

ROPSTEN: Duplicate Blocks adding transactions using Geth Real-Time Event API

I'm using the Geth Real-Time Event to get the new blocks via web-socket and there's a subscription called "newHeads" for that propose. The thing is sometimes the socket returns a duplicate ...
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2answers
467 views

Seamless process to obtain test ether from faucet? [duplicate]

I am unable to successfully "Buy" Ether from a faucet for Ropsten or from Kovan. Is it me or do most people have issues setting up a testnet using Ropsten and/or Kovan? Can anyone help me ...
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61 views

Trying to work with ganche-cli, truffle and infura

When trying to migrate a truffle-config.js file following error appears. TypeError: Cannot read property 'fromMasterSeed' of undefined any help would be much appreciated. const HDWalletProvider = ...
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165 views

Transactions not getting mined (Web3.js)

I'm trying to make a simple ether transaction with web3.js. Most times I try to execute the transaction, I get the following error: Error: Transaction was not mined within 750 seconds, please make ...
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2answers
762 views

What economic incentive does anyone have to mine Ropsten and other networks?

Ethereum 1.0 has a basic limitation, as all global blockchains do: each block can only hold so many transactions. Due to this scarcity, every time even one application gets too popular on the main ...
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199 views

Alternatives to get LINK tokens in Ropsten, for RNG

Sorry if this question sounds like very newbie (and maybe it is. I'm developing a Smart Contract which needs a random number generation, and after researching some time it seems that ChainLink VRF ...
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125 views

How to solve Transaction has been reverted by the EVM , In need of a solution based on my code?

I have been using ropsten with infura. SMART CONTRACT contract Don { struct Details { uint id; string name; string dob; ...
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1answer
408 views

Connect Ganache to Ropsten

I want to connect Ganache to Ropsten such that i can see Ropsten's ledger with Ganache. Is this possible? if yes, what settings do I need to do on Ganache?
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1answer
40 views

Not persisting value with transaction

I have a contract that looks like this - contract Calculator { uint public result; event Added(address caller, uint a, uint b, uint res); constructor() public { result = 777; }...
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497 views

Timeout while attempting to connect and deploy in the Ropsten network

I am trying to deploy the contract in Ropsten network. It fails with the timeout error The same is deployed in Ganache without any issues. Please advice truffle-config.js require('dotenv').config(); ...
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1answer
559 views

Simple contract to contract token transfer failing

I'm trying to write a contract that combines two different function calls into one transaction, for which I then can hopefully use the CHI gas token. However, for now I can't even get my contract to ...
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18 views

Ethereum data reading and writing time fluctuation for web3

I have created a web app for sending and receiving data in ropsten testnet. The average result of writing Data to the blockchain and reading it. The average is calculated for 5 transactions. Here data ...
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108 views

is it possible to change block' gas limit?

I'm trying to execute some heavy transactions. Before execute it, Remix advises me about the gas limit: Ok, then I change my gas limit on Metamask to 9,000,000 (I'm on Ropsten network): And finally, ...
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1answer
234 views

Gas estimation errored with the following message error upon contract deployment

I am trying to deploy my contract CoinFlip on Remix using Injected Web 3 (Ropsten, Metamask) but I am getting the gas estimation error. I'm not sure where the error is coming from. I also tried ...
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1answer
931 views

Ropsten "exceeds block gas limit"

I am on GETH, 1.9.23 and I have had a smart contract running for more than 3 months now. Suddenly, all transaction failed with "exceeds block gas limit". I checked the Ropsten Testnet and ...
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75 views

Ropsten Node finally synchronized after 3 days: why a blockchain testnet should be so difficult?

I have started a new Ropsten Node running on a Pi4 4GB. Here is the relevant information for those who might want to start a new Ropsten Node: more than 3 day syncing $ geth --ropsten --datadir /mnt/...
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1answer
208 views

this error while sending transaction using infura.io . The method eth_sendTransaction does not exist/is not available,

My ERC20 token dapp is giving an error only while using 'transfer function' even when I am using a given address as defaultaccount ( otherwise the error was "No "from" address specified ...
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2answers
112 views

How to handle Ropsten's smart contracts with Truffle?

I work with Truffle, Metamask, and Windows PowerShell. I deployed my smart contract to Ropsten with Truffle by the below command in PowerShell: truffle migrate --network ropsten Now, I need to ...
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2answers
452 views

Block gas limit lower than required to deploy a contract

I am trying to deploy a contract on ropsten network that requires ~7000000 gas, however the current gas limits are ~3.5mil on ropsten and I am unable to deploy the contract. What can I do about this?
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1answer
120 views

msg.sender.balance showing incorrect amount

I've written a smart contract that should return the balance of the current user using it and for some reason when I call the function it's returning the incorrect amount. I've used Remix and the ...
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1answer
67 views

Ethereum is not transferred on Ropsten network

Here's my code for signing nd sending a transaction on Ropsten testnet which is working properly. However, the value that is set to '1' eth is not transferred to the target address. var Tx = require('...
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1answer
281 views

Receiving 'undefined' when using getBalance from web3

I am trying to fetch the balance of an address by web3 and node from Ropsten network with the commands below: var Test = require('web3') var url = 'https://ropsten.infura.io/v3/...' var web3 = new ...
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2answers
440 views

How to get transaction hash without waiting for await call?

for my demo I need the transaction hash instantly without waiting for callback of sync call. Here my code: aggiungiAllaBlockChain: async(u,n,c,e) => { try { const web3 = new Web3(App....
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1answer
156 views

Remix Error - Trying to Follow Ropsten Faucet Instructions

I have been trying to get testnet Ethereum from Ropsten using Metamask wallet but instead I am getting errors. What am I doing wrong? Here is what the Ropsten Faucet site said and the error on Remix ...
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2answers
51 views

Why do I pay fee for reading transaction on Ropsten?

I have a doubt. I am using truffle with meta mask to deploy Smart Contract, write transaction and read transaction on Blockchain. Why do I pay fee for reading data on BlockChain? Should it be free? I ...
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1answer
87 views

Run my code on Ropsten network without using Infura

As I understood, Infura is a remote node give us the ability to interact with the network if we do not want to download the full node in our machine. If I understood that correctly, can I download the ...
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1answer
438 views

How Can I use my Metamask accouns to deploy a contract using Truffle

I have the full geth node on my machine and want to deploy my smart contract on ropsten using truffle. In truffle.js fileI have connected to the node as the following: ropsten: { host: "...
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2answers
366 views

Fund my Ropsten account to deploy my contract

I have a full geth node on my machine and I want to deploy my contract on Ropsten using truffle. How I can fund my coinable account with some ether to deploy my smart contract? I have tried fuusent....
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1answer
733 views

Run Geth with a configuration file

I've created a config.toml for Ropsten (NetworkId =3) that looks like this: https://pastebin.com/raw/2DxWE1jf But when I run geth --config /home/path-to-config From the cli I get: (Note ChainID:1, ...
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1answer
114 views

contract deploy error for ropsten

I try deploy a contract to rotten network with truffle. I checked the last gas limit value in ropsten and I give the gas limit value of the last block But I get this error: "Migrations" ...
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1answer
167 views

error deploying token to ropsten using remix

I am trying to deploy my token on Ropsten Network using REMIX IDE, but keep getting this error "contract may be abstract, not implement an abstract parent's methods completely or not invoke an ...
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1answer
523 views

ETH not showing up

To help me get started learning how to create contracts, I had 1 ETH sent from the Ropsten Ethereum Faucet to my MetaMask address. It arrived fine, but when I tried to send it to MyCrypto address it ...
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1answer
1k views

Transactions stuck at pending on ropsten test net from one day

I am Writing a simple script for ERC20 token transfer method. which sign transaction offline and then submit it to network. Transfer method encoded data : var encoded = await MyContract.methods ...
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1answer
624 views

How to re-compile contracts using truffle which are updated?

I deployed something in the test-net(ropsten). Later, realized that one of my contracts needs some amendments. In such cases how to compile specific contracts and deploy only that contract using ...
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1answer
219 views

Contract not showing the name and symbol

I deployed a contract on ropsten but it was not showing the name and the symbol. I have the feeling that there is something wrong at the deployment and I think it has to do with the parameters. As you ...
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1answer
482 views

The send transactions "from" field must be defined using Infura web3

when I try to send my transaction using infura I get this error "The send transactions "from" field must be defined" My problem is my web3 object. When I used Metamask and ...
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0answers
32 views

Is possible to use a smart contract with custom buyTokens method in TestNet?

I'm trying to test a smartcontract in TestNet that is working in my private ethereum blockchain network. I can deploy it in Ropsten and Rinkeby, but I can not execute my buyTokens method from Remix. ...
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1answer
1k views

I am getting Error: Project ID is required deploying to ropsten in truffle

I am getting the following error: Error: PollingBlockTracker - encountered an error while attempting to update latest block: Error: project ID is required at C:\Users\myuser\Code Projects\sdfsd\...
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0answers
121 views

Geth transaction pending on Ropsten testnet that will not send

On a Raspbian linux system I have been using geth --testnet --syncmode light to sync the Blockchain in one terminal and running geth --testnet attach in the other, but when the Blockchain is synced I ...
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1answer
258 views

Ropsten Etherscan shows 0 holders for my token

I created ERC20 compliant token on Ropsten testnet. I set in constructor that all of the token supply is added to my wallet address. When I open the metamaks I see that I have the tokens. Here's the ...
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2answers
27 views

Deploying App on Ropsten or any Test Network

I have a web3.js application which uses truffle and interacts with smart contracts deployed on Ganache. How do I deploy my smart contract on a Test Network and interact with it through my application?
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3answers
1k views

Number of state entries needed before geth node is synced up with Ropsten

I am currently syncing a Geth node with the Ropsten network. Currently the download in the terminal show a neverending stream of Imported new state entries. I understand that I have to wait for all of ...
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1answer
213 views

Error when sending multiple transactions

I'm having a weird issue with the code below in that sometimes it works and sometimes it doesn't. It seems more apparent when TRANSACTIONS is set to a larger number. I have had it fail AND pass with ...
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1answer
92 views

Call Result Returning Wrong from Proxy Contract [closed]

I published my proxy (AdminUpgradeabilityProxy) and logic contract to Ropsten Test network. But my call result is returning wrong value through the my proxy contract. For example I call to ...
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725 views

Could not transact with/call contract function, is contract deployed correctly and chain synced?

i got "web3.exceptions.BadFunctionCallOutput: Could not transact with/call contract function, is contract deployed correctly and chain synced? " error when try to run this code: from web3.auto.infura ...
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2answers
583 views

Truffle deployment error while deploying with Infura (Error: Callback was already called)

I am trying to deploy a token smart contract to Ropsten test network with Infura, but I am always getting an error as I am using truffle migrate --reset --network ropsten_infura Compiling your ...
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1answer
326 views

Does Gas Price Affect TX minng priority [ROPSTEN]

Since ether, on the ropsten network, virtually isn't worth anything does the gas price for transactions affect the priority in which they're mined? I'm asking because web3.eth.getGasPrice() (on the ...
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2answers
170 views

gas exceeds allowance

I'm testing my smart contract on ropsten and I have written an async function that lets me send TRANSACTION transactions from TRANSACTION different accounts. For some reason when TRANSACTION > 20 i ...
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1answer
58 views

What's going on with the Ropsten network

What is going on with the Ropseten testnet? The last block(7752138) was mined at 07:24:17 AM +UTC which was, at the time of writing this, 23minutes ago. https://ropsten.etherscan.io/block/7752138

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