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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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Gas limit error on Ropsten

Is anyone experiencing gas limit/gas estimation errors while deploying to Ropsten? Its faucet is not working now too.
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1 vote
1 answer
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Building real applications on ropsten?

Hi guys I am still quite new in web3. So there is this client that require us to store some hash of their documents on Ethereum blockchain for tamper-proof verification purpose. So that we can also ...
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Anyone know whats going on with ropsten right now?

There seems to be 1 address (0xd197E7D3A499eaA555abf4B7F8899751f2b69505) mining tons of blocks. Also I cannot get a transaction through almost at all. If you look at the history theres period where ...
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1 answer
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Ropsten Ethereum Coins

I was sent more than $16000 of Testnet Ropsten Ethereum in a Coinbase wallet app. Then was asked to pay $1500 to activate it, so I can cash it to my own bank account. This is a scam, right?
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Ropsten transaction to mint an nft stuck on "indexing" [closed]

I was following the guide on https://ethereum.org/en/developers/tutorials/how-to-write-and-deploy-an-nft/ i got all the way to the part where i mint and i send the transaction using this code require(&...
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1 answer
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Which Ethereum testnet will be supported after the merge (Paris/Bellatrix)?

The Ethereum execution layer (EVM) will be merged with the Ethereum consensus layer (beacon chain) in an event, called "The Merge." The code name for the merge will be Paris hardfork on the ...
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DYDX SoloMargin contract address on Ropsten testnet?

Does anyone know the address of SoloMargin contract on the Ropsten testnet?
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Incompatible EIP155-based V 43 and chain id 3

I am trying to mint my token using Ropsten testnet, but getting this error. I checked that the chainId is correct i.e. 3 and is passed in Transaction objects second parameter. First time I have tried ...
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1 answer
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How to deploy smart contract using truffle and ropsten with Metamask account

I have this error when i use :"truffle migrate --network ropsten" This is my truffle-config.js: What I want to do is deploy my smart contracts using the same account (address) that I ...
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1 answer
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Nothing happens when I call web3.eth.sendTransaction

I am very new to web3, I am trying to use metamask with alchemy web3 wrapper. Metamask is connected and I can get account address and account balance but when I try "transaction" function, ...
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1 answer
465 views

When trying to deploy a smart contract, I keep getting `Error HH100: Network ropsten doesn't exist` -- how do I resolve?

I'm running through these docs on deploying an NFT and I keep getting the error: Error HH100: Network ropsten doesn't exist The command I'm using can be found at step 16: npx hardhat --network ropsten ...
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Cant add liquidity in uniswapv2router

Im trying to add liquidity on ropsten to my uniswap pair. I get to the point where I need to send eth for addLiquidityETH(). I put 1 eth amount. Im using this contract and calling the addLiquidityETH ...
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How do I transfer any ERC20 token using Web3.js?

How can I transfer my custom made erc20 token using Web3.js?
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0 answers
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Trouble with testnet rpc urls

I did my homework not so long ago, and when i went to settings/networks, ropsten had testnet rpc url looking like https://ropsten.infura.io/v3/somethingelse, but now it's just https://ropsten.infura....
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1 vote
1 answer
257 views

Error: insufficient funds for intrinsic transaction cost on Ropsten

I've seen the question asked a bunch, I don't see any answers. I am working through this Alchemy tutorial to deploy a smart contract. This error pops up, even though I have 4.9 ETH in my Ropsten ...
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1 answer
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Ethers npm metamask differentiate ropsten and mainnet

In ethers npm I want to only allow payments If the users in on the metamask Eth mainnet and not ropsten So after they make a payment I can logged it in the database As paid, But I don’t want to log it ...
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1 answer
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Using test accounts on testnets

I am trying to better understand how testing with test accounts should work. I have my contract and app working locally. I've setup truffle to now connect to ropsten network (via Infura). In that ...
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1 answer
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Why ropsten has unpredictable block time?

I am currently learning ethereum testnets and I read that "Ropsten is the only proof-of-work testnet. It has unpredictable block times and frequent chain reorganizations" Why ropsten has ...
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Is it possible to test minting on a ropsten contract without creating a contracT?

I have a new minting bot that works on all networks and was trying to test it out before I risk losing real eth. I was wondering if there was a place I could go to find a predeployed contract with ...
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How to send signed transaction in ropsten testnet

I`m trying to send a signed transaction using web3js, but the result of the transaction hash is undefined Cannot understand why so... My code: var Tx = require("ethereumjs-tx").Transaction ...
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1 answer
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RuntimeError: abort(ReferenceError: proccess is not defined)

I am following this instructions https://hardhat.org/tutorial/deploying-to-a-live-network.html When I run the following command (last step of the instructions) npx hardhat run scripts/deploy.js --...
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1 vote
1 answer
42 views

Unstable Ropsten transaction

I've been developing on top of Ropsten for a few days. The network becomes unbearably slow and has been causing network timeout very frequently. This problem is especially prominent during afternoons ...
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1 vote
1 answer
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Event not firing - Alchemy Polygon Mumbai API difference to Alchemy Eth Ropsten API?

I have a simple smart contract deployed via Hardhat to both Eth Ropsten and Polygon Mumbai testnets. It contains a function that my app calls, and the function fires an event as below. event ...
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3 votes
2 answers
8k views

This transaction is expected to fail. Trying to execute it is expected to be expensive but fail, and is not recommended

Metamask is giving me that error. I am on ropsten network, I never had this issue before and I have enough funds: I have tried multiple times still getting same error. While it says "I will try ...
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How to fix a pending transaction

I'm using Blockcert to generate transactions. Transaction fees are set using the default price (25.000) but, for no reasons, my transaction and my account is in "pending" and I'm not able to ...
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0 answers
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Transfer Function Doesn't Pass Funds Onto Receiving Address

When transferring Ether using the transfer function in Solidity, the funds are sent out of the sending address and are received by the contract address, as expected. However, instead of being passed ...
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Sent money on metamask but never went through

I sent money on metamask with the Ropsten Network to my eth wallet on exodus. I never recieved it on exodus but on metamask it shows that it has completed. What do I do please help I'm new to this.
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1 vote
1 answer
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Why am I getting "Too Many Requests" / "[ethjs-query] while formatting outputs from RPC" error from faucet.metamask.io

I am simply trying to get some test ether on Ropsten network from https://faucet.metamask.io/ and I keep getting this error. Any suggestion: Error: 500 {"error":"[ethjs-query] while ...
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1 vote
0 answers
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"could not deploy due to insufficient funds", but still I have 0.000052197965366494 Ether. How could I solve this error?

Error: *** Deployment Failed *** "" could not deploy due to insufficient funds * Account: 0xDBC7A8105d32E4d6a80De11A94b0583047A7dbA5 * Balance: 52197965366494 wei * Message: ...
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1 answer
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Problem with ICO smart contract on Ropsten

I hope you are all well. I have a problem with an ICO smart contract. I have deployed this smart contract on ropsten and when I send ethers to the smart contract I get an error message which says “out ...
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1 answer
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Transactions revert for ropsten only

We use 0x for swaps on ethereum-mainnet, avalanche-mainnet, and polygon-mainnet and all is generally working. Previously we would also use kovan for testing, but recently moved to ropsten as 0x is ...
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1 answer
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Method works on local but fails on Ropsten [closed]

Trying to debug this transaction (it's a large one that deploys a contract) that works on local but fails on ropsten. First, it said Error: cannot estimate gas; transaction may fail or may require ...
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0 answers
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Ropsten testnet vs ETH mainnet erc20 contract

I was trying to c/p a contract and change tax wallet address for buy and sell transactions, but the function is not working properly on Ropsten as it works on mainnet. Tax is charged, but not send to ...
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5 votes
3 answers
955 views

"TypeError: Cannot read property 'sendTransaction' of null" error when deploying to Ropsten testnet using hardhat

I am getting the error: TypeError: Cannot read property 'sendTransaction' of null at ContractFactory. (/Users/UserName/Downloads/nft-marketplace-ethereum/node_modules/@ethersproject/contracts/src.ts/...
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0 votes
0 answers
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How to mine Ropsten Ether on Windows

How do I mine ropsten ethereum on a solo computer? I'm making something, and I need a large amount of coins to test my application! I know there are faucets and stuff, but I need to make larger ...
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1 answer
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Import 100k records into contract

I have a contract in which I must import ~100k ETH addresses into a map. Whenever I try to do that on Ropsten network (via Infura), I receive the error: Error: exceeds block gas limit If I try to do ...
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0 votes
2 answers
51 views

How do I execute functions in my ERC20 token?

How can I manage to execute functions from my ERC20 token created with remix solidity and deployed on the ropsten test network? I was able to import it to my metamask account but I want to perform ...
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0 votes
0 answers
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Ropsten Eth getting stolen?

I requested Ropsten Eth from a faucet into my Ropsten address. Noticed in the activity tab that I've received the rEth but it still shows 0. When on ropsten etherscan and found that all the ropsten I'...
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0 votes
1 answer
113 views

Contract not showing the name, symbol, and supply

I am not able to see the name, symbol, and supply on the smart contract at ropsten. pragma solidity ^0.8.0; contract MyToken{ address public minter; mapping(address => uint) public balance; string ...
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The method eth_sendTransaction does not exist/is not available [Web3js + Infura + Ropsten] [duplicate]

I have deployed two contracts on Ropsten and used Infura as a node. When I run my project locally with truffle and Ganache everything works fine. However when I try to run my webapp with Ropsten I get ...
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117 views

Web3 Contract events not working on Ropsten testnet

Despite assuring that all event subscriptions are done through a websocket web3 provider instead of https, I still cannot get an event to return an info with " .on('data' ", however " ....
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0 votes
1 answer
199 views

Why do `view` methods revert without a reason when deployed to test networks, yet work fine on localhost?

I have been developing with Hardhat without problem. When I deploy my smart contracts to a test network (Ropsten or Rinkeby), none of my view methods work. For example: function testView() public ...
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1 vote
0 answers
86 views

How do I calculate the prices?

I have developed an app that swaps eth for dai in ropsten network using uniswap, but when I get to check the price of eth in dai I get a strange value, 95.9... Is it beacuse I am in Ropsten test ...
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0 votes
1 answer
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ENSJS library problem reverse resolving addresses to ENS names

I am trying to use the javascript library "@ensdomains/ensjs" to reverse resolve some ethereum addresses in the ROPSTEN network. The problem I have is that the following instruction : var ...
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0 votes
1 answer
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Geth Ropsten Syncing wrong Chain

I am trying to sync geth node with --ropsten CLI option and it completes syncing. But the latest blockchain number is different than ropsten.etherscan.io The block number keeps incrementing and ...
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1 answer
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My node running ropsten testnet has blocknumberlower than blocknumber on ropsten.etherscan.io

It returned false in rpc console after typing eth.syncing, and eth.blockNumber returned 11243029 while the latest block on ropsten.etherscan.io is 11258008, about 15000 blocks behind! Where's the ...
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0 votes
1 answer
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Solidity function doesn't return any data when executed with injected web3 metamask

There is my code. getRight function doesn't return data when I run this code with injected web3 metamask but it returns data when I run it with JavaScript VM. I did it find where is the problem in ...
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0 votes
0 answers
395 views

MetaMask RPC Error: Already Known

I am trying to send a pair of transactions to a smart contract on Ropsten. I thought this might be a nonce issue on the second of the transactions where it wasn't being updated to a proper value but ...
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1 answer
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How can I get my money back, they gave me a fake ethereum token help

I was scammed 3hrs ago with ropsten test, I was buying an ethereum but the scammer gave me fake one. Can someone provide an option on how can I get my money back?
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2 votes
0 answers
423 views

Error! Invalid constructor arguments provided. Please verify that they are in ABI-encoded format, I tried (https://abi.hashex.org/) but still no luck

Good afternoon! I want to create a NFT and my code is working fine in remix. An error occurred while adding source code to ropsten: Error! Invalid constructor arguments provided. Please verify that ...
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