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
2answers
183 views

Failing transaction [not out of gas] but error during execution

My 2 assumptions of the problem: out of gas some failed require statement when calling mint I don't see these 2 because I made sure to send more than enough gas and that msg.value > ...
0
votes
1answer
63 views

What kind of security measures do Testnets have in place?

Cryptographic work is spent verifying transactions on Ethereum, without which, there would be little to nothing preventing colluding to start a 51% attack or creating false identities to start a Sybil ...
1
vote
1answer
167 views

Possibility of transferring “real funds” and “real ether” on “ testnet ”?

According to THIS ANSWER (by user "eth") : (1) Testnets are "play money" so that you can try out applications without spending real money. And According to THIS WEBSITE : (2) Tobalaba ...
0
votes
0answers
97 views

Is there any Ropsten (or any other testnet) node with whisper enabled?

I am trying the embark framework which has whisper integration. I wanted to deploy the dapp and test it live. If there is one could you let me know the endpoint and port. Thanks :)
1
vote
0answers
407 views

Sending a transaction via web3.js is not working

I'm trying to send some ether and here is my code: function sendEth(fromAddress, secret, toAddress, amount) { let params = { to: toAddress, from: fromAddress, value: web3.utils.toWei(...
0
votes
1answer
50 views

GETH configuration - what is the difference between '--testnet' and '--network 3'?

I'm reading GETH Command-Line Options Guide, which says: --testnet Ropsten network: pre-configured proof-of-work test network --networkid value Network identifier (integer, 1=Frontier, ...
2
votes
3answers
777 views

Deploying smart contract with truffle and infura giving me error

I am having trouble deploying my smart contract to the ropsten network using infura and truffle am getting error that says "var sig = secp256k1.sign(msgHash, privateKey); ^ ...
1
vote
1answer
275 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
56 views

Reverted tx on Ropsten but gas limit not reached

This is a timed crowed sale contract https://ropsten.etherscan.io/tx/0xaa3fa69a32060ad578cb9bc2a94fcc4cf7109f4e743f54c527c18f764f634ebb Error encountered, bailing. Network state unknown. Review ...
2
votes
1answer
69 views

Gas cost tests: Sending a transaction to a new address is more expensive?

A friend and I were thinking about transaction costs, is there any attached cost to send a transfer to a new address that has not been stored on chain before? So we started digging. First off we ...
0
votes
1answer
101 views

Cannot watch any event on Ropsten

I'm not able to watch and log event sent by smart contract using the Ropsten test network. The same code works on local test network. Contract Event code: event CreateOptionEvent(address indexed ...
0
votes
0answers
104 views

Unable to deploy contract on Ropsten network

When I try to migrate contract to Ropsten Network (truffle migrate --network ropsten) it keeps migrating the contract on the net with id 4447 unless Ropsten is the only network configured in truffle....
0
votes
1answer
91 views

Problem deploying in JavaScriptVM

I have a really strange problem. When I deploy a contract in JavaScriptVM using Remix including the following function: function setLoanStatus(address _loan, bytes1 _newStatus) public { // "A" = ...
1
vote
1answer
491 views

Machine size recommendation for fast syncing on Ropsten?

I am planning on syncing my geth node with Ropsten using Ubuntu on AWS. From my pains I've experienced so far I'm uncovering that I'll need : 8 cores, 64GB RAM, 100Mbps Internet connection, 300GB SSD ...
1
vote
1answer
387 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
votes
1answer
105 views

Ropsten Block Height is different than Block Height on local GETH instance

I am running a GETH instance on my machine geth --testnet --syncmode "fast" --ipcpath /home/ubuntu/.ethereum/geth.ipc --rpc --rpcapi db,eth,net,web3,personal --cache=2048 --rpcport 8545 --rpcaddr 127....
1
vote
2answers
868 views

CPU mining on testnet using geth on ubuntu - eth.hashrate = 0

I have setup a CPU miner on ropsten testnet but when I run eth.hashrate it always returns zero. Can anyone tell me why this is? I have searched for an answer, but cannot find a satisfactory answer. I ...
1
vote
0answers
93 views

Confirm Oraclize is not working on Ropsten? (No callback returned)

I have a contract on Ropsten testnet that was working fine up until 2 hours and 30 minutes ago. I don't believe it is an error on my side because the code hasn't been changed or redeployed. You can ...
0
votes
1answer
164 views

Transfer ETH and tokens to remote geth account not working

I have a remote geth node I stood up and pointed to Ropsten launched at command line by using: geth --testnet --syncmode "fast" --rpc --rpcapi db,eth,net,web3,personal --cache=1024 --rpcport 8545 --...
2
votes
2answers
881 views

Using Trezor (Hardware wallet) with Web3js on Truffle or Ropsten

We are trying to integrate web3js with Trezor in a truffle dev network or using ropsten test network. The idea is to sign the transactions using the hardware wallet and then send a raw transaction ...
2
votes
1answer
1k views

How to send signed transaction to Ropsten through INFURA in Golang

I want to send and broadcast a signed transaction by sender to the Ropsten network through INFURA in Golang. I was able to send a signed transaction and recieved a response from INFURA as per below, ...
1
vote
1answer
295 views

Why is my transaction not visible on ropsten.etherscan

I am testing a contract on a Ropsten network using geth 1.8.8 with command line: geth --testnet --datadir="" In order to connect to geth I use web3js version 1, beta 34 running from node.js. ...
0
votes
1answer
265 views

SendSignedTransaction returns txId but the tx seems to never be executed on Robsten

So lets start of with some code, let me start with explaining why I have two web3 instances. This is because one is just looking for events on the WS protocol and the other is using the HTTP protocol ...
0
votes
3answers
568 views

how to withdraw ether from smart contract?

I am writing a smart contract which receives Ether. How can I transfer Ether from the contract to my personal purse Can I send Ether from the contract like as I can do with regular wallet? I would ...
0
votes
1answer
97 views

verify contract on etherscan [duplicate]

I'm having difficulties verifying a contract on etherscan which has been deployed through the means of using another contract. The issue is in regards to match the input creation byte code with what I'...
1
vote
1answer
155 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)...
3
votes
2answers
575 views

Want a large number of Test Ethers. How to get them?

I have made a proof of concept that works on Ropsten Test Network. Now for users to use it I need a large number of Test Ethers in my account. As far as I know, we can get only one ether with one IP ...
2
votes
1answer
475 views

Fix MetaMask gas price estimate on Ropsten

Update: For some reason, just redeploying with truffle migrate --network ropsten --compile-all fixed the issue, and MetaMask now suggests Gwei. After deleting build/contracts dir, I deployed my Smart ...
0
votes
1answer
180 views

Imported accounts in metamask are not visible using web3

I have a node in ropsten network and created 3 accounts say a,b,c using geth. Connected metamask with ropsten network and created other account 'd' using metamask and imported accounts a,b and c by ...
0
votes
1answer
265 views

Invalid JSON RPC response on ropsten [duplicate]

I am trying to connect to https://ropsten.infura.io/my key here with web3.js. I can read stuff off the block chain but cant write to it and have no idea why. Any help?
7
votes
4answers
956 views

Truffle: Migrate to ropsten - fails silently

When I run the following command I receive no output whatsoever: truffle migrate --network ropsten This is just after creating a new project using truffle init and creating a single contract. When ...
3
votes
3answers
3k views

Are there ropsten ERC20 testnet tokens?

I am trying to write an application using web3.js and I want to integrate some ERC20 functionality. But rather than muddy up the mainnet, I'd like to try things on the Testnet first. I see that https:/...
0
votes
3answers
575 views

How to call a state changing function with web3.js (browser) and remote node?

Solidity Contract: contract MyContract { bytes32 public product; uint public amount; function setOrder(bytes32 _product, uint _reorderAmount,) public returns (bool success); } ...
2
votes
1answer
196 views

“Lost in transaction”

Yesterday I sent this tx on Ropsten network. It is a transfer for 999 ethers. eth.sendTransaction({from:"0x8c60d40a2e848251d139fc2b0b6b770bb3351ffd", to:"0xf9e33261328a1cdc62d3dc6b95880656a1f2a5d9", ...
0
votes
1answer
331 views

contract works in remix but not when deployed in ropsten test network

The contract is present at issue with var keyword in solidity. what to use instead of var keyword? It works in remix. Using remix i deployed the contract into ropsten test network but when i try to ...
0
votes
0answers
335 views

Can not sync to ropsten

I have trouble syncing to Ropsten. I have just upgraded geth version to 1.8.7, then i run the command to remove the old chain: geth --testnet removedb. Then the command: geth --testnet --syncmode "...
0
votes
1answer
1k views

Gas estimation errored with the following message… Error: gas required exceeds allowance or always failing transaction

I made a smart contract, but i got an error while deploying it , after i specified the Gas limit of 3000000 and a random value (wei) , and clicking on Create , i got the following error : ( i am ...
2
votes
2answers
1k views

Refund function in solidity smart contract not working

I'm trying to implement a HelloWorld smart contract to change 1:1 Ether into a Token (stored in balances) and vice versa - I can call the pay function and everything works out nicely but the refund ...
0
votes
1answer
209 views

Ropsten account address

When using for example ropsten testnet as a provider like https://ropsten.infura.io/<infura_token> How do I identify the account address of my transactions?
0
votes
2answers
136 views

My Dapp work on the private testnet but not in the public one

I have created this simple Dapp and it work fine in the private testnet & java VM inside Remix and outside it using a web interface. The problem come when it will be used in the "public" testnet (...
0
votes
2answers
239 views

Why Deployment of ERC20 token contract to Ropsten is taking lot of time?

I'm trying to deploy my ERC20 token contract on Ropsten network, It took 2hr 30 mins and still pending, what is happening, any problem with deployments? Is it linked to the recent batchOverflow Bug ...
4
votes
1answer
1k 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
votes
0answers
297 views

Local geth node for Ropsten keeps crashing and lost data

I am creating a local geth node participating in Ropsten to test my smart contract with other smart contracts such as ENS and Oraclize. Somehow I keep running into problem of geth crashing and losing ...
0
votes
1answer
228 views

How do I initially give my ERC20 tokens back to myself when deploying to mainnet

I have successfully deployed my tokens to Ropsten testnet and was able to supply them to myself by adding the contract address manually in metamask. https://ropsten.etherscan.io/tx/...
2
votes
0answers
143 views

Who created this alt-Ropsten blockchain and why?

I usually test on Rinkeby, but this week I have to test some mining stuff, so I tried to get synced up with Ropsten. Unfortunately, after 3 days of trying, I still haven't had any success. The main ...
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 ...
2
votes
3answers
392 views

Want to run a local fork of Ropsten

I would like to run a local fork of Ropsten to interact with some of the smart contracts without having to fill up from the tap. My plan was to start a light parity node as follows: parity --chain ...
1
vote
1answer
269 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 ...
3
votes
1answer
678 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>") }, ...
2
votes
0answers
130 views

Etherscan for Ropsten not showing tx events anymore [closed]

Since today 2018-04-11 etherscan on Ropsten testnet does not show anymore the events related to a given transaction. It is very important for the testing and debugging of Smart Contract to view the ...

1 2 3 4 5 8