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
890 views

Ganache is not showing any events

I have a contract method which emits events but ganache seems not to catch any events. I say this because when I deploy my contract on ropsten the events are being caught fine but only in ganache I ...
0
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1answer
65 views

Does transaction hash in Ropsten ( testnet) deprecate ever?

I want to know whether transaction hash created in testnet stay forever or after sometime it gets deleted? Like in IPFS garbage collector deletes unpinned files after two weeks. IPFS is also ...
1
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1answer
58 views

Different gas usage of trivial reverting contract function

We are currently testing functions on Ropsten test network and have an issue regarding the gas usage. Our functions sometimes use 12 gas more and we can not fathom why that would be the case. To test ...
0
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1answer
524 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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0answers
31 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 ...
2
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2answers
582 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 ...
0
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1answer
208 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 ...
0
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0answers
48 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. ...
0
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0answers
195 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: "...
3
votes
1answer
1k 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
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2answers
185 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 ...
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0answers
109 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, ...
2
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1answer
65 views

How to know in advance the gas used by a transaction?

I want to send an ERC20 token (Ropsten network). So I execute a function 'transfer' on a contract. When The transaction is sent, I can get the gas used in the receipt. Few months ago this amount was ...
0
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1answer
416 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'. ...
2
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2answers
111 views

Troubleshooting a revert on Ropsten

I’ve deployed a contract to Ropsten and am testing it manually with Remix. This transaction reverts for whatever reason (we have unit tests where everything looks fine). In our contract for all of ...
0
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2answers
631 views

Truffle migrate --network ropsten always runs development network

I am trying to deploy a simple contract to the Ropsten network using Truffle and Infura. I have set up the Ropsten network in the truffle-confug.js file but it seems truffle always uses the ...
0
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0answers
432 views

cannot unmarshal hex string of odd length into Go value of type hexutil.Bytes?

const Tx = require('ethereumjs-tx').Transaction; const Web3 = require('web3'); const web3 = new Web3('https://ropsten.infura.io/161d7c8443f14babb3c176023628a055'); // console.log(web3.eth.accounts....
0
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1answer
94 views

How do we communicate with contract functionality which is deployed in public test network using web3j [closed]

I would like to write a wepapp for security token contract which is deployed in public Ropsten Test Network using web3j. Need some idea. Thanks in Advance
0
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2answers
220 views

how to write backend for contract if you use infura ropsten metamask and remix

i'm using metamask with ropsten. deployed my contract on ropsten using remix. for the backend i used infura to create instance of web3. ew Web3(new Web3.providers.HttpProvider('https://ropsten.infura....
0
votes
1answer
2k views

myContract.getPastEvents("allEvents") returns empty array

I want to get all past events from a contract I deployed on the Ropsten network. Contract is: pragma solidity ^0.5.1; contract SampleContract { uint storageData; event MamboNumberTwo(uint ...
1
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0answers
256 views

Access to XMLHttpRequest at 'https://ropsten.infura.io/' from origin 'null' has been blocked by CORS policy

I want to interact with a simple contract on the ropsten network this is my Js code : Web3 = require('web3'); if (typeof web3 != 'undefined') { web3 = new Web3(web3.currentProvider); console....
0
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1answer
603 views

Ropsten Test Network

I have created a test token and deployed it on the ropsten test network. I have the full balance in my ether wallet. My question is how can I transfer this token to other wallets? How can I configure ...
1
vote
1answer
899 views

Transaction stuck in 'Pending' state when using 'sendSignedTransaction'

I am trying to execute a transaction by first signing it with my private key using ethereumjs-tx and then using sendSignedTransaction to send the transaction to the network. But somehow the ...
0
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1answer
29 views

problem displaying ico

I created an ICO using ropsten (because I did not have an ETH) and when I search for my ICO on https://etherscan.io, I cannot find it. I can only find it here: https://ropsten.etherscan.io. Is it ...
1
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2answers
117 views

Why does Ropsten consume more Gas than Rinkeby?

I deployed the following smart contract both to Rinkeby and to Ropsten. pragma solidity ^0.5.8; contract storeHash{ string private vehicleData; function setVehicleData(...
0
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1answer
154 views

Unable to Deploy Smart-contract to Ropsten from Truffle using Infura

I want to deploy my smart-contract on ropsten or rinkeby network from Truffle using Infura API, but face difficulty in deploying on any network. I am using windows and my contract works well on ...
0
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1answer
191 views

How to remove byte code of deployed smart contract which was deployed using Ropsten Test Network?

I 've deployed my smart contract on Etherscan using Ropsten Test network. I can see there is bytecode for my deployed contract on ropsten etherscan. I want to hide or don't want to show the bytecode ...
0
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1answer
1k 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 { ...
0
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0answers
248 views

Transaction to Smart Contract runs out of gas on Ropsten but not on Rinkeby

the following execution of my smart contract function runs out of Gas on the Ropsten network, but works fine on Rinkeby, do you have an idea why this happens? struct vehicleData{ string ...
1
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2answers
34 views

Simple contract throws for no apparent reason

the thing is that i have a very simple contract code that I wrote as a kind of "Hello World!", but it doesn't seem to work properly, and I can't see any reason why it wouldn't work. The code I'm ...
3
votes
2answers
799 views

Error while migrating contracts to Ropsten using truffle - Error: legacy access request rate exceeded

I'm deploying some contract to Ropsten ethereum test network using Truffle but it gave me this error: Error: legacy access request rate exceeded I have no idea what does it means and what should I ...
0
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2answers
46 views

Is it possible to use MetaMask for a private consortium on Ethereum?

Assuming we create a private consortium chain over Ethereum and we want to use MetaMask for storing the keys and signing transactions to send the tokens belonging to this private consortium. ...
1
vote
1answer
688 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: ...
1
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2answers
2k views

How estimate smart contract deployment and transactions price?

I can deploy the same smart contract and invoking four transactions on it on Ropsten network. How can I estimate the price of the exactly same operations but on the Mainnet network?
3
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0answers
1k views

Geth/Ropsten light node can't find suitable peers even after adding peers

I am trying to deploy a test contract on Ropsten test net. I have started a light node using the command: geth --testnet --datadir=./.ropsten --syncmode=light --rpc --rpcapi="personal,eth,network,...
3
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0answers
288 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
vote
2answers
249 views

Smart Contract Working on Remix but not TestNet

This question has been asked before. however, those answers did not help me. (of course, I now can't find the "answer" atm) It said that Ropsten (what I was currently using) has fewer miners - or ...
4
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3answers
1k views

web3.eth.Contract(abi, address) doesn't return contract instance

i'am trying to make a instance of my contract in js using web3, but when I use the function web3.eth.Contract(abi, address) the result is not the expected(I take the ABI from remix). this is the code:...
0
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1answer
527 views

Web3 not connecting with ropsten through infura

so my truffle based application is communicating fine with my smart contracts on my private network, ganache and ganache-cli. I then deployed it to ropsten where i used the endpoint i got from infura....
0
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0answers
1k views

Getting error while buying test ether from https://faucet.metamask.io/

I just tried to buy a test ether from https://faucet.metamask.io but the faucet address which is supposed to give 1 ether doesn't have enough balance. Snapshot of the faucet address And when i ...
0
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0answers
287 views

network eth and network Ropsten

in the network of the ether , i sent eth 2.62 but on the network ropsten eth of0xe2fcd50EfdD674C26f894aB5ad71fEcB14b7cDA4 = Ropsten wallet. money did not come, but they can be seen in the same ...
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0answers
26 views

ropsten eth что делать

I sent eth 2.62(NETWORK ETH) ON the eth ropsten wallet address 0xe2fcd50EfdD674C26f894aB5ad71fEcB14b7cDA4(BUT NETWORK ETH (myetherwallet.com)NOT ropsten eth). How to transfer to the wallet Eht ...
2
votes
1answer
672 views

RPC Error with Payload when using the Ropsten Test Network Faucet with MetaMask

I'm trying to obtain some test ether from the Ropsten Test Network with Metamask, but I keep on getting an "RPC Error with Payload", whenever I try to click on "request 1 ether from faucet". I ...
1
vote
1answer
919 views

How to run geth for ropsten and mainnet in a same server?

Is it possible to run geth for ropsten and mainnet in a same server if I changed all the port for Ropsten node trying not to conflict the ports used in mainnet? For example, geth --rpcport 8546 --...
0
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1answer
89 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
2answers
582 views

Unable to fetch output from a public function in solidity

I am writing a solidity public function that changes the value of state variable and then returns it. pragma solidity >=0.4.22 <0.6.0; contract white_label { uint currentId = 1; ...
2
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0answers
48 views

Ropsten issues - two forks happening, transactions showing in both places

There seems to be a few issues going on with ropsten right now: https://twitter.com/sbetamc/status/1092167042709573633 https://twitter.com/stevenleeg/status/1092546643604459521 At the same time, a ...
0
votes
1answer
561 views

geth event newPendingTransactions does not occur

I've got running geth with next command: $ geth --testnet --networkid 3 --verbosity 3 --syncmode light --ipcdisable --ws --wsapi "db,eth,net,web3,personal,txpool,admin,miner" --wsorigins '*' In ...
2
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0answers
321 views

Error when I try to deploy with infura

Running migration: 1_initial_migration.js Deploying Migrations... ... 0x0ed88dd40f380a805ed0ba1b5b0a9d8178321ab6da9e5c0cb247f5700337b173 Migrations: 0xcfc4ba0488f20c7a2bb24e735f43e240bf249bc8 Saving ...
1
vote
1answer
366 views

Minimum system requirements for mining ropsten ethers

I want to create my own faucet that will mine Ropsten ethers. What is the minimum system configuration which is required? Is it a good idea to use my own server such as AWS? What will be the ...

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