Questions tagged [ropsten]

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

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Ways to access the live (and test) Ethereum blockchain

I know that I can access the live Ethereum blockchain (and the test "ropsten" blockchain) blockchain using geth, and I know I can access a fake local blockchain with tools like truffle. What I'd like ...
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1answer
124 views

Halt chain to get balance of new wallet on Ropsten?

I am running through the voting dapp tutorial (https://medium.com/@mvmurthy/full-stack-hello-world-voting-ethereum-dapp-tutorial-part-2-30b3d335aa1f) and am attempting to deploy to the Ropsten testnet....
2
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1answer
667 views

Regarding Ropsten Setup

I am using geth version1.6.5...Trying to set up Ropsten using the following command... geth --networkid=3 --syncmode=fast --cache=1024 console It shows the following commands INFO [06-15|15:54:...
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2answers
816 views

Using Truffle, Metamask and Ropsten to simulate two users

I'm trying to create an environment where I can test that access to a contract is restricted to a given wallet address, so I'm trying to simulate two users... 1) I'm running geth pointing to Ropsten ...
2
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1answer
328 views

Issues with Parity's send transactions and deploying contracts

I am using the latest Parity client on Mac connected via WiFi (ping 25ms) on the Ropsten testnet. The chain is completely synced but my problem is that I can't post any transaction and also can't ...
2
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0answers
428 views

Why does syncing with the Ropsten testnet appear to pause?

I am running a node with geth via the command geth --testnet --fast --rpc --rpcapi db,eth,net,web3,personal --cache=1024 --rpcport 8545 --rpcaddr 127.0.0.1 --rpccorsdomain "*" --bootnodes "enode://...
1
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1answer
182 views

error while deploying contract to ropsten

i keep getting this error when i try deploying my contract to ropsten and the mainnet "callback contain no result Error: SyntaxError: Unexpected token < in JSON at position 0" can someone please ...
2
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1answer
635 views

Remix (browser solidity) won't deploy my contract (through metamask)

I'm trying to deploy a new contract for testing on the ropsten network. I'm using remix and metamask, but for some reason I can't select injected Web3 (what used to be the standard setting) and thus ...
3
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1answer
1k views

approveAndCall () from ERC20 token contract on MainNet and on TestNet Ropsten

How can it be possible: the same function in the same code, on MainNet can be called, and on TestNet when trying to launch through the same Ethereum Wallet, I get the message: It seems this ...
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2answers
6k views

How to obtain all transaction of a contract?

I'm trying to obtain the all transactions of a contract, but in all cases i only obtained [] or undefined. I'm following this posts: Common useful JavaScript snippets for geth web3 filter option not ...
2
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2answers
880 views

Where can the parity blockchain files be found?

On my Mac I am looking for the Parity blockchain file for the ropsten chain. I checked the following locations: ~/.parity and ~/.local but both directories don't exist. ~/.ethash contains 1gb sized ...
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3answers
426 views

When creating a new contract I receive a “contract code couldn't be stored” error but the contract is still created

Sale.new({ from: state.account, value: value, gas: 4000000 }).then((instance) => { // do something with instance }).catch((err) => { alert(err) }) When the above code runs I sometimes ...
2
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1answer
1k views

Are there any bootnodes for the revived Ropsten testnet?

After Ropsten is revived from the attack, I tried syncing with geth --testnet removedb && geth --testnet --fast but I got inconsistent results every time. Currently, eth.getBlock('latest')....
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1answer
819 views

Unable to deploy my smart contracts on testnet (Ropsten) with ethereumwallet or with web3

I developed my smart contract using tesrpc. Now I want to deploy them on the testnet. But I am not able to deploy them either with EtherWallet (I have the error "No data is deployed in the contract ...
5
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2answers
1k views

Transaction logged at geth node, but unable to locate Transaction entry on Ropsten

When sending new transactions one at a time (meaning separated by 1 or several minutes in time) they are correctly broadcasted and mined. But when sending several of them one after another (spearated ...
3
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2answers
441 views

Migrating from TerstRPC to live testnet (Ropsten)

I have successfully developed my smart contracts in Solidity and the scripts using the web3 API to deploy them on the testRPC. Now, I would like to test on a testnet network: Ropsten. How can I ...
3
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1answer
2k views

Truffle.js and Kovan/Ropsten

I am trying to use truffle.js and the testnet. I want to test using Kovan an Ropsten. Here is the doc from truffle - networks: { "live": { network_id: 1, // Ethereum public network // optional ...
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0answers
60 views

How to get Ropsten Revival testnet eth without mining [duplicate]

I've synchronized my testnet node to Ropsten Revival tesntet as shown here: https://github.com/ethereum/ropsten However, I have no testnet eth to play with it. I tried mining, but no lack. Is there ...
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2answers
1k views

Geth node not mining anymore since synced to new Ropsten testnet

After upgrading geth node to new Ropsten testnet node is not mining anymore, even though log messages seem it is trying to: I0328 09:51:54.537322 miner/worker.go:542] commit new work on block 645501 ...
9
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1answer
18k views

What is actually Ropsten? What is a new “network”? [duplicate]

Where can we read about what exactly is Ropsten and it's influence to the Etherium in general?
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1answer
122 views

Contract killed twice

Due to a delay (not minutes, but hours probably) in mining first a kill transaction https://testnet.etherscan.io/tx/0xf087a137e7f4962260da26928d205cabd71eed68fd79f8f35fb1027073f03812, and minutes ...
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1answer
678 views

Waiting for transaction to be mined

When calling any method on a contract https://testnet.etherscan.io/address/0xabc7a3a72af1f94ff6029ef01bc0f7c49e2ed637 using Browser Solidity https://ethereum.github.io/browser-solidity/ on Ropsten ...
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1answer
216 views

Problems Mining and Receiving Ether in Test-Net

I am having trouble mining ether and receiving ether in test-net. I have left my computer on to mine overnight, but still have 0 ether in the morning. In addition the transactions say that they went ...
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0answers
43 views

Node running on testnet doesn't match etherscan explorer [duplicate]

Two of my nodes running geth version 1.5.3 have been working great on testnet since 24th November 2016 by using this command: geth --rpc --datadir /mydatadir/.ethereum/testnet --networkid 3 but ...
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0answers
89 views

Is Ropsten testnet dead? [duplicate]

I am using the Ropsten testnet but it is stuck syncing only one block at a time around block 589000. How should i approach this? Just let it keep syncing? delete the whole blockchain and redownload it?...
4
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1answer
1k views

Geth or Mist do not sync any more [duplicate]

I am new to ethereum but managed to successfully start Geth on 2 of my machines , and could also install MIST. Now, since several days, one of my machines does not sync with the testnet anymore. I ...
2
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0answers
155 views

Etherscan Unable to locate Transaction entry [duplicate]

I'm using the Ropsten network with Parity and when I send a transaction from an account to another account I get the good transaction hash. When I'm trying to call getTransaction(transaction_hash) I ...
36
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5answers
7k views

Ropsten testnet is under kind of attack? What can we do?

For the last approximately 24 hours, Ropsten testnet is under an attack in my opinion. The gas limit is raised to 200m and the attacker was proposing blocks with more than 4,000 internal txs ...
3
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0answers
564 views

The gas price on the Ropsten test net today rose from 0.211 ether per million gas to 1.8 ether per million gas, why?

Seems like Ethereum adjusts its gas price to meet demand. How does it do this?
3
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0answers
315 views

How to create a git repository on swarm?

I'm running geth --testnet on ropsten testnet and attached a swarm node to it. Now I should be able to use mango to host my git repositories on swarm. I installed mango-admin and git-remote-mango ...
5
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1answer
791 views

How to point a domain registered with ENS to swarm content?

I'm hosting my web site on swarm now. And I registered a .test FIFS domain to point to it: 5.test I can verify that I am the owner of that domain with the ensutils.js: > ens.owner(namehash('5....
2
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0answers
176 views

Error deploying from ethereum studio to ropsten

I tried to deploy a contract to ROPSTEN from Ethereum Studio using "send contract to the Net" with the following parameter: JSON RPC URL: https://ropsten-lb.ether.camp It is actually an small ...
12
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1answer
726 views

parity Ropsten testnet forked at block 296151?

I am seeing what looks like a fork in the Ropsten testnet at block 296151 (Jan 6, 11:14 PM UTC). Is this expected? My local Parity node (Parity/v1.4.7-beta-f2058bd-20161227/x86_64-macos/rustc1.13.0) ...
11
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3answers
850 views

Syncing ethereum testnet

I'm syncing my geth client with ropsten testnet and just realized how slow is the syncing process after a certain block(trying to retrieve information from blocks that got in blockchain yesterday) for ...
2
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1answer
238 views

Running ropsten testnet with docker error

I would like to try to run ethereum client at my server configured with docker geth image. But when I set the genesis block according to the command below I got an error about the reference for the ...
16
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2answers
9k views

Connecting to hosted web3 provider from NodeJS backend

I'm using these instructions from etherchain. Here's a similar question(seems like duplicate, but it's not). The solution provided there doesn't work for me, because I don't have a local ethereum ...
2
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0answers
45 views

Unable to sync Geth on testnet — “potential rewrite attack” [duplicate]

I'm trying to do a fast sync on testnet and when I'm a few thousand blocks from the end it get's caught up in "potential rewrite attack" and the sync craws to a standstill. Retried a few times. From ...
12
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1answer
430 views

Is it possible and sensible to deploy a contract to the same address on Mainnet and Ropsten?

Traditionally when people have deployed contracts for public use they have tended to publish separate contract addresses for Testnet and Mainnet. Often this then requires them to include code to check ...
5
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1answer
691 views

What's the difference between Olympic, Morden and Ropsten?

Canonical question about the public Ethereum testnets. What's the difference between Olympic, Morden and Ropsten? What are their network IDs, which ones are still considered active?
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0answers
706 views

Transaction stuck since yesterday

I'm on Ropsten network and since yesterday I did a transaction with 5 039 400 Gas and now all my transactions are in status pending. But with another account I can make a transaction to this stuck ...
3
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0answers
299 views

tyring to sync ropsten testnet with android-inproc: Rolled back 2 headers

I am trying to sync the new testnet with the android inproc node ( tried with geth-1.5.3, geth-1.5.4-SNAPSHOT and geth-1.5.5-SNAPSHOT ) getting this log: 11-28 20:00:29.957 6637 6861 E GoLog : ...
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0answers
2k views

understanding etherscan.io blockchain explorer (ropsten)

I am new to eth. I tried to explore the blockchain using etherscan. For the record, here is my eth address: (0x757e0617fae3050242ddd13e2117ef1c62fdaf4d). There are three things in etherscan's page ...
7
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2answers
4k views

How to switch from Morden to Ropsten?

I installed a v.0.8.7 client and tried switching to Ropsten, following these instructions. Namely, I typed in: dyn906-29:~ sam$ geth -- datadir /Users/sam/Library/Ethereum/testnet/geth/chaindata/ ...
6
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1answer
897 views

How to generate a vanity address for a smart contract to be deployed on?

I am aware of the possibility to generate vanity addresses for normal accounts. However, how is possible to generate vanity addresses for external owned accounts (which host smart contracts)? I'm ...
4
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1answer
879 views

What do the parameters in the Ropsten genesis file mean?

Here's a snippet of Geth's Ropsten genesis: "config": { "chainId": 3, "homesteadBlock":0, "eip150Block":0, "eip155Block":10, "eip158Block":10, "eip160Block":10 } ...
4
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1answer
332 views

What replay attack protections does Ropsten provide?

I understand the Ropsten testnet was partly necessary because of some broken replay-protection measures on Morden. So what's different for Ropsten? Is the nonce simply incremented by a smaller ...
2
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1answer
1k views

How to manually switch Mist to Ropsten?

I am new to Ethereum. I have the v.0.8.7 client. It is fully synchronized with the blockchain (see screenshot below: last block seen a minute ago). I am basing myself on this post. If I understood ...
4
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1answer
102 views

Has Morden issues? [duplicate]

according to https://testnet.etherscan.io/, the last block has been mined more than 12 hours ago, whereas before more than one were mined per minute. Has the difficulty changed so much ? Or has the ...
33
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4answers
5k views

What is Olympic, Frontier, Morden, Homestead and Ropsten Ethereum blockchain?

I am studying Ethereum and have not been able to figure out the difference between Homestead and Morden. In some docs, it is written that Homestead uses a new algorithm which takes less time. I don't ...
17
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2answers
2k views

What prevents the market from assigning value to testnet ETH?

If enough people mine testnet ETH for testing purposes, difficulty will rise along with the cost of generating testnet coins. In some a circumstance why would the value of testnet coins not rise based ...