Questions tagged [etherscan]
Etherscan is a search engine that allows Ethereum blockchain users to look up, confirm and validate transactions that have taken place on the blockchain.
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Viewing all cryptocurrencies on a single wallet via its seed phrase
How to view all cryptocurrencies on a single wallet via its seed phrase
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WETH not reflected on my COINS PH WALLET [duplicate]
Coins ph supported ETH (ERC20) and i thought my WETH TOKEN from my ronin wallet is the same as ETH that's why i transferred it but unfortunately i haven't received it yet, it almost 10hrs pas. Is ...
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Redeploy safe with same address on OP
I deployed the Safe on Ethereum using this factory: 0xa6B71E26C5e0845f74c812102Ca7114b6a896AB2. Now, I'd like to deploy the same Safe address on Optimism. Could you please provide guidance on the ...
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Methods not appearing when printing contract but do appear on Etherscan
I have a goerli testnet contract you can check out here. I'm trying to call executeFlashLoan using a javascript function using web3js, but the code acts as if the function doesn't exist. However, it'...
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Transactions not initiated by my account but displaying on my transactions section making it look like i did [closed]
Oh last thing:
my wallet is being targeted HEAVY by people who are making it look like I bought something i DID NOT buy. Or sending me airdrops of tokens that I actually don't know anything about... ...
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Hello 👋 I need your help , my problem started 24hrs ago I made a transfer of Ethereum from my Coinbase account to my roqqu account , not credited [closed]
0xe1f45e78cbf0fcc5f9c5a103ecaf609276ac75b5e17443086b6389f394fb89d5
0x277e19d9d6970169961b47d4db75c932c85818ed64c22565bab5fd006cf2b8f7
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Is this an easter egg in the Etherscan Api?
Ethereum (and so, the etherscan.io API), operate with 160-bit addresses. However, I unintentionally requested the max address (0xFF...FF) and I padded it with leading zeros (to become 0x00..00FF...FF),...
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How can I fetch the current dollar price of BNB in a Solidity smart contract?
How can I fetch the current dollar price of BNB in a Solidity smart contract? Are there any recommended APIs or secure, decentralized methodologies for this?Is there a way to fetch the dollar price ...
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Different bytecodes when verifying contract on Etherscan Goerli for code from OpenZeppelin Wizard
I went to https://wizard.openzeppelin.com to generate an ERC20 contract and then pasted the contract on Remix and deployed on Goerli. Then, I flattened the same code and tried to verify it on Goerli ...
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execution reverted despite not writing to the blockchain
I am attempting to read the value of a token on a DEX. When I run the code I get execution reverted despite not writing to the blockchain. Code is reproducible with your own Infura api key.
Any ideas ...
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How can this contract buy and sell a token multiple times in one transaction?
I have discovered a contract that can buy and sell multiple times within the same transaction. How does that contract work, and where can I find this contract? Thank you.
https://etherscan.io/tx/...
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ETH was automatically sent to a different Public Address after successful deposit in my meta mask
Same thing happened to me after depositing ETH to my public address it was automatically sent to another address
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Stuck in Smart Contract
I paid the fees on ethereum for item but received nothing what can I do for this? I think there is an error in smart contract please check for me my address is ...
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fallen for a scam with fake ether can i recover from this smartcontract? [duplicate]
a friend got called and told that in order to receive his available funds he had to send 5.57 eth to a new wallet of his own on atomic wallet and he would receive 30 ether, he thought it was a scam ...
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Why I can't get meta data of USDC in ethereum?
I tried to get USDC's meta data specifically symbol, name, decimals with ethers.js.
However I caught below data
name: '',
symbol: '',
decimals: 0
Are there who meet the same situation?
I call ...
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New Account with no transaction
I'm working with my metamask wallet to interact with my DApp. While reading about data in Ethereum, I read that the blocks in the chain do not store any account information. It will have only ...
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Foundry: Veirfy contracts on deployment with config in foundry.toml
Ok so I'm using Foundry to deploy contracts to multiple networks (Ethereum and L2s). I use the --verify option to verify on deployment. On goerli network the contracts get verified automatically on ...
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How to Retrieve Library Addresses Linked to a Smart Contract on Etherscan?
I've run into a situation where I need to identify the library addresses that a verified contract is linked to. I understand that during the contract verification process on Etherscan, one must ...
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What is the correct syntax for a tuple argument?
I am trying to interact with a bridge but I am stuck at correctly inputting the argument. The bridge in question is the ETH-RSK (ROOTSTOCK) Tokenbridge.
They way the bridge works is, you call the ...
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ETH Recived... but Balance = 0 on etherscan and MetaMask
I folks. I recived 3 days ago 0.00741522 ETH, but until now my account's balance is 0 ETH and I don't know why. I share the etherscan capture:
Thanks people :)
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Incorrect Decimals & Max Total Supply ERC20 Token
After deploying token contract on ethereum I am getting 0 decimals being shown on etherscan whilst other explorers displaying correctly.
I presume because of this Max Total Supply displays as:-
3,200,...
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Finding validator address of a block
How to reliably find the validator address of a block?
Relay API has gaps wherein some blocks are missing.
Is there any other reliable way to get the validator address?
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How to parse the swap data of a certain wallet?
I am trying to parse swap data of a set of wallets:
I tried to do this by using logs of the transactions – they often include data about swaps, however there is no uniform way to parse it, because ...
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Display token balance of test tokens
I am working on a React-Native crypto application for fun, and I am trying to show the test tokens that I have inside my metamask wallet to display on my app to display the token balances.
I have ...
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How does etherscan checks that the contract is ERC20, ERC721, ERC1155 standard implementation?
Suppose I created any ERC20 contract, how does etherscan recognise that the deployed contract is an ERC20?
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I need help from Expert Dev for POS bot [duplicate]
I recently received a code and deployed it. it sent 0.2 eth which is succesful and is visible in the contract transaction. I hoped to generate some passive income with with this POS Bot. The problem ...
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how can i look for wallets with a very specific amount of eth?
I would like to do a sort of a "reverse lookup" of a wallet address. I have the specific quantity of ETH with 18 decimals, and I would like to know what wallet address(es) have this amount ...
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Withdrawing from already deployed smart contract [duplicate]
First, I am sorry to say I have no knowledge in crypto nor coding, and in need of your help.
I have followed steps on this YouTube video:
https://www.youtube.com/watch?v=Vhkb9G2SyVw&ab_channel=...
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I'ma victim of a theft my Chromebook was stolen a couple years ago with ethereum and some other coins in my metamask account can I regain access
I was unfortunately a victim of theft. My Chromebook was stolen w/my metamask acct. It had ETH I purchased from matrixport & 700,000 Like Coins also. Is it anyway I can get access to it? Note that ...
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Querying events using ethersjs provides logs with unrelated contract addresses
The UniswapV2Factory contract has the following event:
event PairCreated(address indexed token0, address indexed token1, address pair, uint)
I am using etherjs to detect all events on chain in the ...
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Despite calculation I get contract creation code storage out of gas
My smart contract is deployed on https://sepolia.etherscan.io/tx/0x1b1742a3ff2ac160d5f245ab91828fcc56a803cb3826b6cbdb9f3cb2f293ba66
Once deployed I get contract creation code storage out of gas error
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Transaction shows up in Etherscan although I didn't make that transaction
so yesterday I sent 350 USDC and today I saw a new transaction of 350 of another ERC-20 Token popping up in Etherscan on my address which appears to have the ticker USDC in a different writing.
I ...
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WETH burn missing in Etherscan
I'm looking at this transaction in Etherscan(https://etherscan.io/tx/0xdff9b85093c6af369d197815c42930e23b0dfdcd37f8c3e614ca3483cf120af9) and supposedly the address DSProxy #213,717(...
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I want to subscribe to flashloan events on the Aave v2 contract via websocket, how do I find the function/event?
I am trying to set up a websocket connection with ethers.js to listen for flashloan events.
I have made a connection successfully listening to Transfer events on the USDT contract - which was simple ...
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Why is Transaction Value showing 0 ETH on Etherscan?
I'm not sure why the transaction value on Etherscan is showing as 0 ETH when the transaction was confirmed.
According to the recipient, they haven't received anything in their wallet either and I'm ...
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How to get a token bluecheck from polygonscan?
I would like to ask about blue checks in polygon scans.
Is there any documentation that we need to submit to receive a blue check for our token registered with polygonscan?
On the polygonscan ...
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How Can I find the right network of the transaction? - an emergency question for a newbie
I used 'Goerli faucet' and entered my MetaMask wallet address, but now I don't know which network I should use to see how much Ethereum I have because currently, my MetaMask wallet shows that I have ...
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Transaction involving contract and ETH
I have a problem in Web3. I'm trying to obtain data from an ETH transaction but it involves a contract (Coinbase 10). From what I understand of the transaction, it looks a lot like token transactions (...
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Smart contract deployment pending forever
I have a smart contract that is compiled and deployed using Remix and verified on Sepolia testnet.
https://sepolia.etherscan.io/verifyContract-solc?a=0xA3Bc4ac115CF4C57b507797731F43c14Ff6A2A6c&c=...
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What is 'value' in this Uniswap transaction log on Etherscan?
Hi, I'm finding it difficult to understand what Value is(=0.16 ETH in this example).
Is it the miner tip to put the transaction first wrt to everyone else? Or is it the value in ETH of the token ...
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How to retrieve addresses affected by block?
I need to scan each block and extract addresses affected in the block.
The address is affected when funds (ETH, tokens, etc.) are sent to or from the address or involved in any other transaction.
As ...
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Uniswap V2 router contract call fails with TransferHelper: TRANSFER_FROM_FAILED
The scan link is here: https://wemixscan.com/tx/0x717a6385a15f896a08dc9e6ca3980cdd7443ca8a88a0ab5944522c61200c06a8
I'm trying to swap between WWEMIX(Wrapped Wemix token) for WEMIX$ (Wemix dollar) by ...
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How can this account address selled more erc20 token then it received?
I'm using the Alchemy API to retrieve all transactions for a specific address. When I run the API for this address on this particular token, I only receive two transactions. The first transaction ...
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why can't use Apostrophe( ' ) in token Name,
Polygon explorer/ etherscan explorer
why can't use Apostrophe( ' ) in token Name, And if I did the explorer shows "'"; instead Apostrophe. eg.(cat's = cat+ "'"+ s)
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How can I find simple smart contracts to test with?
I am working on a project where I have to retrieve source codes of deployed Ethereum smart contracts from Etherescan.io, and I am looking for very simple smart contracts where I can perform some ...
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Availability of smart contracts in Etherscan?
Are all smart contracts deployed in the Ethereum network available on Etherscan.io ?
Because I read here https://info.etherscan.com/using-smart-contract-search-tool/ that 'All verified source code can ...
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Building Cryptocurrency Tracking system for monitoring stolen cryptocurrency transactions
When hackers steal tokens from an account, what they generally do is divert the flow of tokens via multiple proxy accounts making it complicated for the cyber-forensics department to track final ...
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Help me make sense of this seeminlgly simple Uniswap V2 transaction, please
https://etherscan.io/tx/0x006a041ade99b4715e6578ac968932f47fa9f1be1a676ad66678260ca0fbb6d1
This appears like a vanilla UniswapV2Router02 swap, sending the well-known method ...
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Can I make a contract call to refund the unused gas fee to a specific address instead of the msg.sender?
Can I make a contract call to refund the unused gas fee to a specific address instead of the msg.sender? I want to use this as a means of charging fees for my project.
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How to know which smart contract have same wallet address as contract owner?
Is is possible to find out which smart contract transferred ownership to a same wallet address (different from the contract created owner) on Etherscan / Bscscan?
Let say i only have a targeted wallet ...
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