Questions tagged [ropsten]

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

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140 views

Why is the different “highest block” of --network id 3 and --testnet?

I think both of --network id 3 and --testnet mean to the Ropsten network. But, The result of "eth.syncing" differ from each. --testnet result "highestBlock: 3852529" $ geth --testnet console 2>&...
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1answer
85 views

How to get notify if transaction got failed, dropped, or successes [closed]

I am new in dapps world and I want to deduct balance/points when a user buys an item currently I am unable to update balance because sometimes transaction got failed, dropped, or successes after 30 ...
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2answers
214 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 ...
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1answer
105 views

What is the reason for not just issuing a token on the testnet (e.g. Rinkeby) for your token so that Gas costs are free (Rinkeby ETH from faucet)?

If someone wants a token to be usable and easily transferable between users, without the prohibitive costs of paying for gas every time with real ETH (and thus, money), why not just deploy it on ...
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1answer
213 views

Transaction taking too long on Ropsten testnet

I checked the syncing status, it returns false. I submitted transaction with a very high gas value but it takes long time to get completed. This is my local ropsten node: INFO [08-06|13:16:45.473] ...
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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 ...
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1answer
108 views

Created Standard Token, deployed successfully but on Myetherwallet error

Here is the token contract I created - https://ropsten.etherscan.io/address/0x2cccce414fcdf028c0574766af4302a4abeb5788 Address: 0x2CCcCe414FCdF028C0574766Af4302A4aBEB5788 For some reason I can not ...
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1answer
404 views

Solidity transfer function not work

I just coded ether transfer function using REMIX IDE on Ropsten testnet. It has only two functions that setting receiver address and amount of ether and sending ether to receiver address. After I ...
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2answers
83 views

The contract code couldn't be stored, please check your gas amount. [Zeppelin, Truffle.js, Ropsten]

I am having some problem with deploying the simple Token Contract to Ropsten network. Error is "The contract code couldn't be stored, please check your gas amount". I tried to change Gas values ...
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2answers
258 views

Stuck in truffle compile

When I run truffle compile it stuck forever after compiling contracts . I am importing openzeppelin library and using infura , ropsten and metamask to deploy contract on testnet. . Here is the output ...
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0answers
219 views

Transaction pending on Ropsten

I deployed a contract on JavaScript VM using remix online IDE. Here is the contract: pragma solidity ^0.4.17; contract FileDetail { struct File{ string fileName; string fileHash; } File[...
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1answer
70 views

Error while deploying contract

While deploying contract to ropsten tesnet (truffle migrate --network ropsten) I am getting an error: insufficient funds for gas * price + value ropsten: { network_id: 3, host: "...
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1answer
229 views

How to call contract state-changing method on Ropsten via Infura using web3@1.0.0?

I have the following contract: pragma solidity ^0.4.24; contract Escrow { address public owner; event LogReceivedFunds(address sender, uint amount); event LogReturnedFunds(address ...
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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 ...
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2answers
72 views

Is that the gas price actually affects the transaction time on the Ropsten testnet

I know that If the gas price is high enough, the transaction will be executed sooner since miners will execute transactions with the highest gas price first. does this rule really apply in the ...
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1answer
821 views

insufficient funds for gas * price + value ropsten

While deploying contract to ropsten tesnet (truffle migrate --network ropsten) I am getting an error: insufficient funds for gas * price + value ropsten: { network_id: 3, host: "...
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0answers
57 views

Not able to access ropsten account

I installed ropsten testnet and created 2 accounts. "eth.accounts" returns the following: ["0x54eb2b021a26c17b83927ad14587a24b0bd16b66", "0x14e6b19304fb3c98a73acea5f80d2c056ee5c09f"] I wanted to ...
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0answers
111 views

“'parity' is not recognized as an internal or external command, operable program or batch file.”

I downloaded Parity installer from here : https://www.parity.io/ and then installed it on computer with OS Windows 8.1. Then even I restatred computer. However, when I use following command: parity ...
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1answer
254 views

How to be sure “Parity” is installed on Windows?

I installed Parity after downloading and running exe file from here : https://www.parity.io/ However, when I use following command to connect to Ropsten as follows : parity db kill --chain ropsten ...
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1answer
661 views

MetaMask cannot connect to “localhost 8545”

When I choose localhost 8545 in MetaMask, apparently it is not able to connect. Please see screen shot: I tried with several internet connection, however the same result. Whereas, I can easily ...
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1answer
72 views

Is it Ropsten ETH Considered as ERC20 Standard Token?

Is it Ropsten ETH considered as ERC20 standard token? What kind of contract is needed to move it to main ETH network? Is it possible to do smart contracts through MetaMask plugin?..
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2answers
1k views

Getting “insufficient funds for gas * price + value” with geth on Ropsten no matter what

I'm having geth 1.7.3 (tried 1.8.x too) running in docker container: --verbosity 4 -rpc --nousb --ipcdisable --rpcaddr "0.0.0.0" --rpccorsdomain "*" --syncmode "fast" --rpcapi="db,personal,eth,net,...
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0answers
222 views

How to set gas price in Remix IDE?

I'm testing my contract on Ropsten network. For this i've launched geth in docker: > command: --verbosity 4 -rpc --ipcdisable --rpcaddr "0.0.0.0" --rpccorsdomain "*" --syncmode "fast" --rpcapi="...
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1answer
306 views

“Gas estimation failed” on Ropsten using MetaMask!

I'm testing a smart contract using Remix, MetaMask, Ropsten. Yesterday I developed my contract on Ropsten network and everything goes in the right way. Today I was developing the SAME contract code, ...
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1answer
55 views

Ropsten contract doesn't send anything when calling with this.balance after initialized with eth

This was my code: contract Oust { address kingdom = 0x344d65e66a9c4f8d7911bf7433b509d6daac9bc0; function Oust() public payable { } function take() public { kingdom.call.value(...
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1answer
299 views

Truffle Ropsten Running migration: 2_deploy_contracts.js fails with: TypeError: Cannot convert undefined or null to object

Error encountered, bailing. Network state unknown. Review successful transaction s manually. So I'd checked TxHash transactions manually, is here: https://ropsten.etherscan.io/tx/...
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2answers
151 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 > ...
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1answer
53 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 ...
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1answer
139 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 ...
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0answers
95 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 :)
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0answers
388 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(...
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1answer
47 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
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3answers
744 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); ^ ...
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1answer
241 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 ...
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1answer
55 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
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1answer
64 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 ...
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1answer
94 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 ...
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0answers
100 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
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1answer
89 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" = ...
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1answer
425 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
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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" -...
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1answer
94 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....
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2answers
806 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 ...
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0answers
92 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
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1answer
149 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
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2answers
798 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
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1answer
993 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, ...
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1answer
266 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. ...
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1answer
250 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 ...
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3answers
464 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 ...