Questions tagged [ropsten]

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

Filter by
Sorted by
Tagged with
1 vote
0 answers
131 views

How do I calculate the prices?

I have developed an app that swaps eth for dai in ropsten network using uniswap, but when I get to check the price of eth in dai I get a strange value, 95.9... Is it beacuse I am in Ropsten test ...
  • 11
0 votes
1 answer
215 views

ENSJS library problem reverse resolving addresses to ENS names

I am trying to use the javascript library "@ensdomains/ensjs" to reverse resolve some ethereum addresses in the ROPSTEN network. The problem I have is that the following instruction : var ...
0 votes
1 answer
177 views

Geth Ropsten Syncing wrong Chain

I am trying to sync geth node with --ropsten CLI option and it completes syncing. But the latest blockchain number is different than ropsten.etherscan.io The block number keeps incrementing and ...
0 votes
1 answer
95 views

My node running ropsten testnet has blocknumberlower than blocknumber on ropsten.etherscan.io

It returned false in rpc console after typing eth.syncing, and eth.blockNumber returned 11243029 while the latest block on ropsten.etherscan.io is 11258008, about 15000 blocks behind! Where's the ...
0 votes
1 answer
157 views

Solidity function doesn't return any data when executed with injected web3 metamask

There is my code. getRight function doesn't return data when I run this code with injected web3 metamask but it returns data when I run it with JavaScript VM. I did it find where is the problem in ...
0 votes
1 answer
90 views

How can I get my money back, they gave me a fake ethereum token help

I was scammed 3hrs ago with ropsten test, I was buying an ethereum but the scammer gave me fake one. Can someone provide an option on how can I get my money back?
2 votes
0 answers
575 views

Error! Invalid constructor arguments provided. Please verify that they are in ABI-encoded format, I tried (https://abi.hashex.org/) but still no luck

Good afternoon! I want to create a NFT and my code is working fine in remix. An error occurred while adding source code to ropsten: Error! Invalid constructor arguments provided. Please verify that ...
0 votes
1 answer
91 views

i havent been able to get test ethers from any ropsten faucet [duplicate]

can anyone plz send me some test ethers on this address 0x2540faA5783D5347b2F622D599BdCA57034da31E it would be gret help
  • 11
0 votes
1 answer
132 views

Transaction hash has different block number on my ethereum ropsten testnet node

I have an ethereum ropsten testnet node, syncing status is false but i checked for the block number then I got the block number ahead of the actual current height. I then checked the transaction ...
4 votes
0 answers
257 views

How to handle Ropsten's chain split with geth 1.10.8

I upgraded and restarted geth connected to Ropsten to 1.10.8, but the content is different from Ethrscan and infura.io from 10920274 block. And my geth has the latest block number of about 7,000 ...
1 vote
1 answer
2k views

How to send a signed transaction using metamask and web3?

I'm stuck at sending a signed transaction to a Smart Contract deployed on Ropsten network. As learning purposes, I created a 'Voting' smart contract. This contract includes 2 candidates we can vote ...
  • 113
1 vote
0 answers
21 views

Ropstens test net. How do I solve this?

The picture below shows the wallet status of the Ropstens test server. How long do I have to wait to resolve it? How do I solve this? Where should I ask for help? My wallet is not working.
1 vote
1 answer
148 views

Unable to sync Ropsten testnet with Geth 1.10.5

I upgrade geth to latest 1.10.5 stable, but my local ropsten node is higher than etherscan. This is the command. geth --cache=4096 --maxpeers=50 --datadir=/data/eth --ethash.dagdir=/data/eth/ethash --...
  • 31
3 votes
4 answers
4k views

Good Ropsten USDC faucets?

I'm trying to play around with the DyDx Protocol on Ropsten, but to get any further I need to have some USDC in my account. I've had no luck googling for this. There seems to be this website for it, ...
4 votes
4 answers
510 views

Where is the best place to acquire large amounts of testnet eth?

While there are fairly easy ways to get small amounts of testnet ETH (e.g., 1 ETH) through faucets. What would be the best way to get a larger amount of testnet ETH (10-1000) in a time-sensitive way?
  • 925
0 votes
1 answer
36 views

Problem with ropsten

I have a problem with Ropsten. I want to send a smart contract on Ropsten with the command "migrate --reset --network ropsten" but it does not work. I get this message: Everything is up to ...
  • 53
0 votes
1 answer
842 views

Error! Invalid constructor arguments provided. Please verify that they are in ABI-encoded format

Update: so these 2 lines in my code seem to be causing the problem and removing them got everything to work but I still need to include them so if someone can figure out why they are breaking that ...
3 votes
1 answer
2k views

Getting LINK for Ropsten network

I'm trying to get LINK for Ropsten. I'm using this faucet: https://ropsten.chain.link/ and, when I've added the new token, I've used this address 0x20fe562d797a42dcb3399062ae9546cd06f63280 (Chainlink ...
  • 151
0 votes
1 answer
188 views

How do obtain wrapped btc and wrapped ada in a local test network or a live test network like ropsten?

In the local test network and ropsten test network, it's easy to obtain ethereum but I need other tokens in order to do testing. I'm not sure how to obtain those tokens for testing.
0 votes
1 answer
83 views

Having trouble converting json to abi encoding

I'm trying to convert the following json to abi code using https://abi.hashex.org/ [ { "inputs": [ { "internalType": "string", "...
6 votes
2 answers
7k views

How to fix "TypeError: Cannot read property 'sendTransaction' of null" when deploying a contract on Ropsten with hardHat?

I am getting this error: TypeError: Cannot read property 'sendTransaction' of null when running this command: $ npx hardhat run scripts/deploy.js --network ropsten with HardHat on Ropsten network. ...
  • 191
1 vote
0 answers
338 views

How do I find peers for a ropsten "light" node?

I'm using geth to spin a simple light node on ropsten. I'm running geth --ropsten --syncmode "light" console And it gets stuck after INFO [06-18|11:05:26.682] New local node record ...
1 vote
0 answers
724 views

Metamask won't display balance on Ropsten test network

Going over first chapters Mastering Ethereum book, I've obtained some ether from a faucet on Ropsten Test network, but Metamask (after 2 days and 18K confirmations) still shows the balance of 0 ETH, ...
1 vote
1 answer
581 views

Can i write in the data field of a transaction?

I read here Is it possible to insert some custom data in the DATA field of an Ethereum Transaction? that it is not possible to write in the data field of a transaction, even if it is a simple balance ...
  • 149
0 votes
0 answers
12 views

Any acc with eth is accessing my contrct restricted methods on rpstn ntwrk.It should give err but its not giving. On ganache its working as expected

I created one project, which is working perfectly on ganache. But whenever I deploy it on ropsten it is doing anything. I will explain in brief after opening my web app on browser if i try to call any ...
2 votes
1 answer
209 views

Fail with error 'UniswapV2Library: ZERO_ADDRESS' when trying to implement a swap

I am trying to implement a Ropsten Testnet swap via contract. This contract swaps Testnet DAI for a token I have created. Liquidity is added and swapping via the UI works. IUniswapV2Router02 private ...
  • 21
2 votes
0 answers
79 views

Ropsten light node block number ~1000 greater than it should be

I'm running geth on Ropsten, using geth --ropsten --syncmode "light" --http.addr localhost --http.port 8545 --rpc My most recent block number is 10266786 (and increasing), whereas etherscan....
  • 81
0 votes
1 answer
471 views

The cost of eth in the testnet is equal to the eth cost in mainnet?

i´m new in Ethereum development, i´m developing a Dapp in the Ropsten testnetwork but i need to pass it to the mainnet, have the sames cost? are equivalent in the moment we pass the Dapp to the ...
  • 11
0 votes
0 answers
475 views

Sending ERC20 token between Metamask wallets over Ropsten test network

I'm experimenting with creating an ERC20 token and sending it over Ropsten test network using Metamask (following a basic tutorial). I was able to successfully create the token, deposit the tokens in ...
  • 1
0 votes
1 answer
545 views

code to activate Eth amount from Ropsten network to Main network

I have 2 issues with my Ethereum at Metamask. I received 1 Eth from someone in Africa, sent to Metamask, but he sent to Ropsten network, not to Main network. He asked me to send Dagcoins first and ...
  • 1
0 votes
1 answer
101 views

Understanding different network for ether transactions

I have just started learning about ethereum and trying to toy around different use-cases. I tried sending an ethereum to my wallet using ropsten ethereum faucet. Now, my understanding is this is some ...
  • 113
1 vote
0 answers
38 views

Problem connecting a deployed smart contract to JavaScript. Remix + JS + Infura + Ropsten (with Metamask)

I am a beginner in DApps and still learning most concepts. Recently, I wrote a smart contract in Remix IDE which I deployed in the ropsten test network using injected web3 and metamask. The functions ...
0 votes
2 answers
6k views

Invalid BigNumber Value Uniswap and Ethers JS

Hey guys I am using the Uniswap Javascript SDK and Ethers JS to make a swap but I am getting this Error: invalid BigNumber value (argument="value", value=[-626648004,3158], code=...
  • 1
1 vote
2 answers
830 views

Someone can help to verify smart contract on Etherscan?

Here is source code of this smart contract ! http://dweb.link/ipfs/QmNxz54r9DfNqqgm9h7oJp52QgTPesbnGQ4PpppkSBjwH8 Complier version : 0.5.16 What I tried: Deployed successfully but can not verify on ...
  • 23
0 votes
1 answer
965 views

Is ABI necessary for calling ropstend smart contract?

I only have ropsten's smart contract address, so I'm trying to get it through web3.js with: window.web3.eth.Contract(abi, address) but i see in the documentation it receives two parameters, i don't ...
  • 61
0 votes
1 answer
36 views

Unable to synchronize with Ropsten testnet with Geth 1.9.25

For the past two days I've been trying to synchronize with Ropsten testnet using the following command in Geth 1.9.25: ./geth --ropsten --rpc --rpcaddr="0.0.0.0" --rpcapi="eth, web3, ...
  • 103
0 votes
0 answers
58 views

Trying to sync the ropsten testnet to local server using geth

I tried syncing the ropsten ethereum testnet to my local server using the following script: nohup geth --testnet --bootnodes "enode://...
0 votes
1 answer
121 views

Connect local frontend with smart contract on ropsten

I'm new to DApp programming an I'm struggling with this problem since two days now. Cloned this github example: https://github.com/dappuniversity/election I deployed the smart contract to ropsten with ...
1 vote
1 answer
578 views

Execution Reverted Details

I am writing code in Java and trying to calculated potential gas units, for a function call on my methods. I am trying to do so by using infura as a provider for my web3 Instance, and then created a ...
1 vote
1 answer
231 views

Error while deploying contract to the Ropsten testnet

I'm trying to deploy a contract (called "FilesDetailsManager") to the Ropsten Testnet using Truffle and Infura as provider. But when I type into terminal truffle migrate --network ropsten, I ...
9 votes
3 answers
3k views

Deployment Failed : "Migrations" -- only replay-protected (EIP-155) transactions allowed over RPC

I am trying to migrate the code which is already tested in mainnet to ropsten network. I wonder why it is throwing the below strange error. We as a team unable to find a solution for this for past 2 ...
  • 693
2 votes
1 answer
373 views

Got error!!Trying to deploy smart-contracts in ropsten infura

When I am trying to migrate smart contracts in ropsten infura network, but got error. The error is shown below: Using network 'ropsten'. Running migration: 1_initial_migration.js Replacing Migrations....
  • 437
0 votes
1 answer
304 views

TypeError [ERR_INVALID_ARG_TYPE] web3.js error

Can anyone help me fix this problem? I keep getting 'throw new ERR_INVALID_ARG_TYPE( ^ TypeError [ERR_INVALID_ARG_TYPE]: The first argument must be one of type string, Buffer, ArrayBuffer, Array, or ...
  • 3
0 votes
1 answer
527 views

“txHash: undefined” error using web3.js

Can anyone help me fix this problem? I get 'txHash: undefined' error in terminal var Tx = require('ethereumjs-tx').Transaction const Web3 = require('web3') const web3 = new Web3('https://ropsten....
  • 3
0 votes
0 answers
514 views

Invalid implicit conversion from rational_const 5 / 2 to uint256 requested

I have the following code snippet inside my contract: plans[1100] = Plan(7, 3); plans[1101] = Plan(7, 2.5); plans[1102] = Plan(15, 4); plans[1103] = Plan(30, 6); plans[1104] = Plan(30, 5); When I try ...
0 votes
0 answers
212 views

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 ...
  • 11
0 votes
1 answer
80 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 ...
0 votes
2 answers
1k 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 ...
0 votes
0 answers
127 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 = ...
3 votes
2 answers
2k 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 ...

1
2
3 4 5
11