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Questions tagged [ropsten]

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

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16 views

Is there a boilerplate dApp on Github which uses uPort, truffle and infura on the ropsten testnet?

I am developing a dApp using those technologies and facing difficult problems when trying to save information on Ropsten. I can't approve my transaction via uPort because the selected account balance ...
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2answers
21 views

Tokens on a Contract

Want to get tokens amount sent to my contract address on chain, but don't know address of token. Can I get through any function ? Any possible way to so ?
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1answer
23 views

Ropsten Ethereum not showing transaction information

I am using geth 1.7.3-stable-4bb3c89d to sync with Ropsten network. I started synchronization with fast mode and restarted the service. When I type eth.syncing in geth console it always shows false ...
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0answers
21 views

List of Token Exchanges Available on Testing Network?

Found Kyber Network Token Exchange on Ropsten so far. Please share if you know more token exchanges available on any testing network for trading Tokens as a test.
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0answers
13 views

Decentralized Exchanges on Ethtereum Testing Network for test

There are many exchanges available in market for token trading but found Kyber Network Proxy exchange on Ropsten also for testing trade function. And I can buy tokens through Ropsten Network. Any ...
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0answers
38 views

Geth shows 0 Balance on ropsten for ETH but correct balance for ERC20

I have a fully synced Ropsten node (eth.syncing = false, --testnet flag, chainId = 3) the weird thing is the current block is 4293018 on Etherscan and my node displays the current block as 4300755. ...
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2answers
71 views

Syncing with Mainnet/Ropsten blockchain

If use gethcommand,then the node starts to sync with Ethereum Mainnet by default.If usegeth --testnet --networkid 3 --datadir <testnetdatapath>,then the node will connect to Ropsten. How does ...
1
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1answer
17 views

Transaction Hash after deploying contract with Web3.py too long

I managed to successfully deploy a contract using Web3.py to the Ethereum Ropsten network using this bit of code def deploy(self): instance = self.w3.eth.contract(abi=self.abi, bytecode=self.bin) ...
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1answer
41 views

How to generate test funds for Infura Ropsten Network wallet

I have been using Web3.py, and Web3's TestRPCProvider to create some utility functions in Python to deploy a smart contract meant to generate an ERC20 Token, and then communicate with that smart ...
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2answers
24 views

How to solve insufficient funds (Ropsten)?

I have tried adjusting the Gas Limit and GWEI and I get this error. I am using infura and Ropsten. Has anyone any ideas about this? Code - var rawTransaction = {"from":myAddress, "...
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1answer
33 views

Syncing on Ropsten taking too long

I am running geth on a debian system and on testnet ropsten. However I notice it's not always fully synchronized. Is this due to the network, the program, or the machine itself? It's always about ...
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2answers
34 views

Transaction rolled back and re-mined later?

A few hours ago, I was testing my dapp on ropsten and something strange happened. I sent a transaction (A), to the blockchain, it got mined and my server synced it. Then 30 minutes later, I sent ...
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0answers
25 views

work network blocking connection to blockchain and peers

when I'm running a node using either geth or parity i face a problem. when I'm running it while at home everything works fine but when run it from my work's office network its doesn't connect to any ...
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0answers
49 views

Error: Transaction wasn't processed in 240 seconds!

I have a contract call like this: await myContract.buy(buyerA, { from: buyerA, value: ether(0.25), gasPrice: 100000000000, gasLimit: 31000 }) It takes quite long and then I receive this error (on ...
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0answers
72 views

sending ethereum raw transactions by infura.io gives me invalid sender error

I'm trying to make ethereum raw transactions on ropsten test network. I want to send a data message as a transaction from this address: wallet address : 0xf65583D4839b373e166C96eEDE8d798C8cFe5e39 ...
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0answers
39 views

Syncing Ropsten with geth - correct bootnodes

I have tried to sync full node of Ropsten using geth I've tried two approaches https://github.com/ethereum/ropsten And https://medium.com/@crissimrobert/a-guide-to-ropsten-testnet-setup-...
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0answers
149 views

connection not open on send() when trying to call web3.eth.getBalance() (using Infura/Ropsten)

I'm trying to make a series of getBalance() calls to Ropsten wallets using Infura websockets but every time I call this function, I get the error: connection not open on send(). Here is the function: ...
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1answer
38 views

Need help in deploying a dapp on Ropsten without truffle

I am trying to deploy a Decentralized application on Ropsten without using truffle (trying to challenge myself), but for now I am stuck at few places, the deploy.js file which is supposed to deploy ...
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1answer
20 views

Strange Ropsten Bug - transactionsRoot and recieptsRoot has same value

I'm testing some stuff on Ropsten network and I've found strange block: 4138624 When I run (using web3 injected in Metamask): web3.eth.getBlock(4138624,function(err,res){ console.log(res); }) I'm ...
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3answers
72 views

Unknown account error while deploying dapp on Ropsten testnet

While trying to deploy/migrate a dapp to Ropsten I get the following error: C:\CrowdBank-master\CrowdBank-master>truffle.cmd migrate --reset --network ropsten Using network 'ropsten'. Running ...
0
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1answer
27 views

How can I withdraw ether balance from contract to a personal account?

How can I withdraw ether balance from a contract to a personal account? İ tried but I couldn't do it on Ropsten. Could anybody tell me step by step how to test this? Thanks.
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0answers
19 views

Using Event API of Ropsten

I wanted to get the details of the following transaction hash : https://ropsten.etherscan.io/tx/0x8b43cf5e2c9d4eabb1121036de3d60354f64e9ccc6004caccba0e478c50ed2e6. And Ropsten has got an API to get ...
2
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1answer
83 views

Getting large amount of ropsten ether

I want to get about 150000 ropsten ether for testing. Is there any way to get it? I've seen some faucet websites but they have limitations.
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0answers
53 views

geth 1.8.15-stable eth.hashrate always zero on Intel Core i7-7500U laptop

I'm using the latest geth 1.8.15-stable under Ubuntu 18.04 on my not-so-crappy laptop (Intel Core i7-7500U, 16G RAM, 512G PCIe SSD) mining on testnet yet eth.hashrate always returns 0 $ geth --...
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0answers
25 views

Why Ropsten Testnet has Total Ether Supply < the biggest ether holder balance?

Let's see two below image that I cropped them from ropsten.etherscan.io. Can someone tell me why Total Ether Supply < the first address balance?
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1answer
113 views

How to access a deployed smart contract attributes using web3.eth.contract(abi,address) in python

web3 = Web3(provider=HTTPProvider(http://ropsten.infura.io/v4/API_KEY) abi = '[{"constant":false,"inputs":[{"name":"_utxoPos","type":"uint256"},{"name":"_txBytes","type":"bytes"},{"name":"_proof","...
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1answer
40 views

Running out of gas when deploying contract in Ropsten Testnet

I am trying to create a Fomo3d clone contract in Ropsten testnet for debugging purpose. Here is the code: https://etherscan.io/address/0xa62142888aba8370742be823c1782d17a0389da1#code But I am ...
2
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1answer
142 views

Cannot connect to any ethereum networks using API key

I followed a tutorial about how to connect web3 with ethereum networks. I registered in infura.io and get all the urls. But when I try to connect to any network it is not connecting.When I print web3 ...
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0answers
52 views

Unable to deploy contract due to extremely high gas estimate

I'm getting issues with the following contract for no obvious reason (I'm banging my head over this problem last 8 hours), I'm getting: Gas estimation errored with the following message (see below). ...
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0answers
16 views

How can i deploy contract with > 4.7 Mgas required on Ropsten?

I was able to deploy contract that requires more gas than default Ropsten block gas limit: https://ropsten.etherscan.io/tx/0x7c40cd2c539c03d110da8988641518ff6ff907a284f5074ed3d8517eb80b51f9 (5594037 > ...
2
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1answer
106 views

Created Crowdsales contract, sending ropsten ETH to the contract and Failed

I created crowdsale contract - https://ropsten.etherscan.io/address/0xfbb2759ef0b7169d0a2effa971845ea0f99f87b1 My token - https://ropsten.etherscan.io/token/0x0f26c1c05f1bbBC7Eff0488F1a98619e8a9758cf ...
6
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2answers
239 views

Is it possible to use “Oraclize” on a testnets such as “Ropsten” or “Kovan” or “Rinkeby” or even local blockchain such as “TestRPC”?

Is it possible to use Oraclize on a testnet such as "Ropsten" or "Kovan" or "Rinkeby" or even local blockchain such as "TestRPC" ?
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1answer
74 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
43 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 ...
1
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2answers
77 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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0answers
39 views

How do I call withdraw function from a deployed contract?

I am testing a smart contract I wrote on the Ropsten testnet. The contract was deployed from my original account. I have deposited fake Ether into this deployed contract (Insurance). I want to be ...
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0answers
22 views

Who runs the Rinkeby and Ropsten networks? [duplicate]

What organisation, or entity is responsible for running the Rinkeby PoA test network? Similarly, who operates and maintains the Ropsten network?
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1answer
42 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
66 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
154 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 ...
0
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1answer
56 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
77 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
69 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
66 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
78 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[...
0
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1answer
36 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
47 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
182 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
34 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 ...
0
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1answer
463 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: "...