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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Can I still list my token on exchanges if I have renounced ownership?

This is my first post here. I have deployed a ERC20 token and have a few holders already. I am keen to renounce ownership of the contract to build trust. However, will I still be able to list my token ...
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How to parse Ethereum transactions to extract all the details that we see on Etherscan?

Please consider this transaction: https://etherscan.io/tx/0x800391d2328e82e2cea40fd2cf2600f505baeefeb568e5bd5e75ebdeddcdd888 When I fetch this transaction using web3.eth.getTransaction, I get the ...
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Is Trolls Token safe?

Using my limited knowledge in crypto and Ethereum blockchain, I verified the locked liquidity and renounced ownership on etherscan.io for this token specifically. The project itself seems to be dead, ...
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Transaction never appear on Rinkeby

I've signed a transaction with my private key and then used the sendRawTransaction function to send the transaction on the network, I got the Transaction Hash, but when I use that transaction has in ...
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Monitoring Ethereum Contracts for specific function calls - missing methods in ABI

I created a script to accept a contract address and watch that contract for specific "events." In this case, I want to check each time the Loot for Snail function is invoked on the EvoSnails ...
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How to obtain transaction creation time for Ethereum transactions using web3?

I am interested in analysing transaction latency in Ethereum (time it takes from creating the transaction until it has been added to a block). I have been looking at Web3 (link https://web3js....
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Approval but no swap SAITAMA using uni swap

I swapped my ETH for some SAITAMA using uni swap but right now it's just showing as I sent my ETH and it shows up as a success, what is going on here? the hash address is linked up on the bottom thank ...
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Wrapped Ether balance disappears from wallet on Etherscan by conversion?

The following wallet on Etherscan shows 3 transactions of Wrapped Ether (WETH) being transferred in under the ERC-20 transactions tab, a large amount, but not how they are transferred out, assuming ...
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How to check a wallet's Wrapped Ether balance on OpenSea or Etherscan?

Etherscan shows transfers in and out of Ether, whereas Wrapped Ether (WETH) appears in Etherscan's ERC-20 transactions. Etherscan readily displays the current Ether balance of a wallet at the top-left ...
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Etherscan shows transaction from before the contract was created

I've deployed a contract to Rinkeby: https://rinkeby.etherscan.io/address/0x765bb02d0499255e69216c21312ff4bfb62e96e8 The first transaction is dated over 24h before the contract was created. How is ...
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How do you transfer eth out of smart contract from etherscan?

I have eth on a smart contract from people minting our nfts. How do I transfer that eth out? Can i do it on etherscan as long as I'm signed into the address that uploaded the contract to mainnet? Here ...
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how to know all the specific ERC20 token transfers in the whole network

I thought all the token transaction should be through the token contract like below. token contract : https://etherscan.io/token/0x0c7d5ae016f806603cb1782bea29ac69471cab9c But there seems to be other ...
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Cannot Verify Contract - Forgot Compiler

I made contracts for a project. Unfortunately, in the middle of the project I got task which makes me need to rush things. So, after deploy contract using Remix on browser I decided to leave the ...
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How EtherScan keep the complete track of NFT(ERC721 token) transaction

My Usecase is to get transaction hash and show from which to which wallet a NFT was transferred. but when i use getTransaction of web3.js it returns me contract address in to field instead of wallet/...
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Decoding transaction logs of Pancakeswap's router by web3.py

I saw this question, but there are contracts like the pcs's router which have no event defined in the contract, see this transaction for example. How can I decode the logs in such transactions?
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Trying to configure truffle-configure.js for truffle verify plugin

New to development. I'm trying to verify my smart contract on the testnet using the truffle verify plugin but unfortunately, I can't seem to configure the plugin in my truffle-configure.js file. Here'...
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Understanding ethereum transaction

I'm doin my combing through etherscan and am coming accross transactions called "remove sniper" and "set remove from fees" what does remove sniper mean on the blockchain
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"Coinbase 6" instead of exchange wallet address showing in Etherscan transactions

An exchange wallet address created on an exchange like Coinbase or Kraken starts with a unique 0x address just like any other Ethereum wallet. But when you transfer out to another 0x address from this ...
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Sent Ethereum from MetaMask address to same MetaMask address

I sent Ethereum from my MetaMask wallet address to the same MetaMask wallet address. I basically sent the funds from myself to myself. The transaction is showing as processed on etherscan however I ...
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Is etherscan/bscscan limited to the last 100K transactions?

I was exploring a contract transaction and I was not able to see the contract creation as last transaction, but I found that there are all limited to the last 100K transactions. I know that I can ...
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internal transaction not shown on etherscan API

Below transaction shows internal_txs in etherscan. https://etherscan.io/tx/0xa225d3144705f431f947964173f95f050c9efddb156474cadf7a6476d6716355/advanced#internal But same tx_hash does not give any ...
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amountOutMin does not work

I has set this amountOutMin parameter in my code, but the amount of token I received was still less than it. Why is it like this? The transaction is https://bscscan.com/tx/...
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Strange error on Mumbai's polygonscan

I have a write function to add an array of addresses, I put for example this: ["0xddC5f73aB04FbcE9fF79AA07D0A4196BD0285f46"] And the polygon scan (not metamask), says this error: invalid ...
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How to identify swap transaction with Moralis

I am making an app using the WatchedEthAddress class from Moralis. However I am unable to find any documentation on how to identify the swap transactions. Should I be looking at any specific field on ...
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Getting Ethereum amount from Ethers.js Contract Transfer Event

I am working on building a simple Twitter bot to tweet out sales that occur on an NFT's Smart Contract (https://etherscan.io/address/0xbd3531da5cf5857e7cfaa92426877b022e612cf8) by listening to the ...
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Using Web3.py to monitor a contract/address for pending transactions

I am currently trying to build a script to automatically interact with a smart contract once a certain transaction has been sent. I have the interaction part down but am having difficulties actually ...
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OpenZepellin does not use inmutable in some contracts. Why?

I am reading the contracts of OpenZeppelin, in particular the ERC20.sol. I see that they could use immutable in the case of the name and symbol, but they are not using its. They they prefear a stard ...
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Found suspicious function in Coin Contract code

I'm new to creating cryptos and doing all the programming of it. Recently I came across a very suspicious token called BEAR that might be a Honeypot scam. Here's the function I don't understand and ...
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Smart Contract Write Gas Fee

What is the price of interacting with your own smart contract(Write)? I am planning to deploy my own smart contract and I am planning ahead. I was interacting with a random smart contract on the "...
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Hacked Eth Account - What do i do with my staked tokens?

Unfortunately my Metamask wallet was hacked today on the Metamask app which i'm devasted about. I tried connecting Pancake Swap to it and it popped up asking for my words which i stupidly gave. The ...
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i need help ethereum didnt send my full amout

any pls help,i wanted to send FTM {eth} from my meta mask to gate.io and on during the transacton its failed and i have not recieved my token back yet i was only given about 15% of what i sent it says ...
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Using Geth with External Drive

I'm using the command geth --http --datadir D:\NODE but it seems like It's a wrong command, because when I switch to Localhost network on my Metamask it doesn't show the balance but when it's on ...
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Metamask randomly sending funds from one account to a saved address

My Metamask just sent 1 ETH for absolutely no reason of my own, to another one of my saved wallet addresses in my address book. this makes absolutely no sense as I did not initiate the transaction ...
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Difference between smart contract and wallet address

I have list of addresses & I am trying to find out if the address is wallet address or smart contract address. I am using web3js. Is there any way to distinguish between smart contract and wallet ...
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Error: Transaction has been reverted by the EVM:

I have tried all sorts of ways but it's not working for me when i change my value to 0 it works fine the transaction gets submitted. But if i change it to any other number lets say 1, 10, 20 I get ...
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Etherscan SwapExactTokensForETH on Rinkby

I'm trying to test out swapExactTokensForETH on Etherscan Uniswap Contract I'm trying to swap Link for WETH First I approved the UniswapSmartContract using Etherscan Then I try to call swap ...
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How to know the revert reason before submitting a transaction to a smart contract using web3?

I am trying to find out the revert reason of a transaction that is expected to be reverted before submitting the transaction to a ERC-721 smart contract. E.g. The below contract has all it's pieces ...
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25 views

How to check if the ETH address is reported as fraudulent?

Is there any api that we check if an ETH address has reported as fraudulent in etherscan or any other similar services? something like Check Address api in bitcoinabuse.
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I want to get Public key from transaction

I want to get public key from transaction. For example, TXID : 0x191095343fd26cbb4c58996aa6512d5cdf43281d565072bab8d0d5ea9e3d644e I have tried "Get Raw Transaction Hex" in etherscan and use ...
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Question about basics of PoW blockchain

some newbie question's in here: To solve the miner's problem in PoW (on both Bitcoin's and Ethereum's blockchains), miners should generate a hash that meets some of the conditions (for example, starts ...
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Decoding Ethereum Logs Best Practices

So given a hash, you can get only a partial overview of what the transaction did. If it was a purely ether coin transfer, the value field should tell you how much changed hands. But in more ...
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Moved RDT from BSC to ETH using bridge, byt he tokens are not missing

I tried to swap RDT from BSC to ETH using anyswap bridge and metamask. It has been three days and the coins are still missing. Here is the transaction on BSC Scan: https://bscscan.com/tx/...
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Transaction revoked but ETH went missing

A transaction I tried to buy an NFT was revoked but the ETH (0.5) is not returned to my wallet. Here's the hash: https://etherscan.io/tx/...
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Place to hire Solidity dev for 2-3 day job?

Not sure whether this question is appropriate here. Please redirect me if not. I'm looking for a recommended way to hire a solidity developer for this weekend. I would like to have a script that can ...
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ERC-20 Token Transfer Error - Eth subtracted from contract but not added to a wallet

While testing NFT contract on Rinkeby I encountered a situation where I cannot transfer eth from my contract. I had 0.01 Eth on the contract and then I called transfer to withdraw 0.008 Eth (...
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How to derive value from transactions ETH

When I use python web3 to get an transaction: w3.eth.getTransaction('0x0ae2e71023a5801e557472d9b58dee483a8617cff3afcdeae171889e0db70ded') I get: AttributeDict({'blockHash': HexBytes('...
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How to encode tuple parameters?

I found many tools to encode parameters online, but besides web3 and thus Etherscan, none of them supports tuples/struct. And my problem is I’m unable to find the correct syntax. So obviously : [['...
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How to use etherscan api to get the balance of an erc 1155 token from a particular contract

I there a version of the erc20 balance call that i can use to get the token balance of a specific address? erc20: (https://api.etherscan.io/api?module=account&action=tokenbalance&...
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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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My transaction from opensea is showing "Dropped" on etherscan. Gas limit was 125 gwei. (Last seen 2 Hrs ago) What do I do?

If the gas price goes down to ~125 gwei, will it be automatically replaced? Can I use "Speed Up" in MetaMask? I read something about a 3 hour time limit? It was dropped about 30 minutes into ...

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