Etherscan allows you to explore and search the Ethereum blockchain for transactions, addresses, tokens, prices and other activities taking place on Ethereum
Questions tagged [etherscan]
183 questions
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How can I get approval llist of eth
I can find my approval list in etherscan.io. But I don't see any api to get list of approval.
https://etherscan.io/tokenapprovalchecker?search=0xf7931b9b1fff5fc63c45577c43dfc0d0def16c46

Sithu Soe
- 29
- 4
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Why is my NFT Metadata-Centralized not showing in opensea image DETAILS?
I upload NFT from Pinata, Then to Remix Etherum Org, I Use MIT License for Polygon project. Everything has worked and has been aired on opensea. The metadata in the properties is also there. but strangely in the details of the description per…

Nalan Yaran
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Hardhat verify command not present
I've installed estherscan from npm, but the verify command is still not present. When I try to verify a contract I get the error that the verify task does not exist.
This is my hardhat.config.js file,
`/**
* @type…
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ParseError when compiling contract on remix ide
I'm hoping someone can help me. I'm attempting to verify the sourcecode of my token contract on etherscan. To do this, I am attempting to compile the contract on remix IDE and in the attempt of doing so it returns a ParseError. Below is the contract…

Joblode
- 11
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Warning! Error encountered during contract execution [execution reverted] Ether
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
contract Booster {
address owner;
mapping(address => uint256) public accountBalances;
event PaymentAdded(address user, uint256 amount, uint256 timestamp);
modifier…

Hashmi
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- 3
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ERC721 function that able to have "View NFT" in etherscan?
recently i notice there are function in etherscan can view NFT . May i know what are the requirements during draft ERC721 contract? which function are require in order to achieve…

brook18
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Finding the amount of an ER20 token in ethereum transaction web3 from the hash of an ethereum swap?
I'm trying to get the amount of a token sent in a crypto transaction and it's proving to be more difficult than I thought.
I'm using the web3 module as follows, but I can't get the function to work correctly.
I believe I need to decode the input…

helpme
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- 6
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Etherscan has no support for network sepolia with chain id 11155111
I am trying to verify my deployed contract from truffle and getting "Etherscan has no support for network sepolia with chain id 11155111" error. So I am working with Etherscan and I deployed my contract on sepolia testnet.
How can I solve this…
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NodeJs+Axios Use api.etherscan.io can't get ABI
My browser can normally open this link and return correct data, but if I run node in the shell, it will report an error. I even copied the example on github. Who can help me?
const axios = require('axios')
const address =…

Eels
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Function's parameter used inside a previously defined variable (String) returns undefined
trying to declare a variable for an API call (There are different website versions for API calls so want to have it dynamically interchangeable while having clean code).
It goes like this:
const getAbi = async (addy) => {
const url =…

Ofir Smolinsky
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- 1
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Hardhat: failed to verify ProxyAdmin contract at <0x~>: Bytecode does not match with the current version of ProxyAdmin in the Hardhat Upgrades plugin
Our team is seeing the following error when trying to verify a proxy contract via Hardhat:
After running: npx hardhat verify --network matic 0x2CB7FfCE5d0e128268D8AA7549EBefB9B293Dc21 we are seeing:
Nothing to compile
Implementation…

codr
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Is there a proper way to get swap values for both coins in Etherscan?
Using the Etherscan api (or bscscan in this case, but same idea) for a specific hash, you get a value based on the token that is being used. In cases of coin swaps, only one of the coins is acquired, nut through the inputs to the contract function…

Xouzoura
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When I mint to a contract it displays the transaction in etherscan but it won't display in OpenSea
I am currently using RemixIDE to mint my transaction. When I tried to mint my NFT it displays it in Etherscan but won't display it in OpenSea Testnet. Here is the coding file:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.12;
import…
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Solidity, uniswapV3 swap
I have swept on uniswapV3 weth to DAI. The code first gets weth via contract and latter gets DAI on Uniswap.
The change is 0.005weth = 173.68 DAI
Is this normal??, I really don't understand this change and don't know if I did somthing wrong.
here is…

Oriok
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- 7
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1 answer
get normal transaction by transaction hash in etherscan api
its giving details about the txhash on etherscan website but not giving output in api named("Get 'Internal Transactions' by Transaction Hash")
giving this result:
{"status":"0","message":"No transactions found","result":[]}

LEGENDRYzZzZ
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