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Questions tagged [etherscan]

Etherscan allows you to explore and search the Ethereum blockchain for transactions, addresses, tokens, prices and other activities taking place on Ethereum

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Etherscan API request 403 forbidden in Ropsten network

I am trying to send a request to Etherscan API in the Ropsten network and it is not working as it shows 403 error: response = requests.get( "https://api-ropsten.etherscan.io/api", params={ "module": "account", "action":…
tinom9
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Solidity try catch showing execution reverted of internal tx on Etherscan

I have a function to check if a given token has an Uniswap factory address: address possibleFactoryAddress; try IUniswapV2Pair(token).factory() returns (address factory) { possibleFactoryAddress = factory; } catch {} Now this code is working…
Kise
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ERC721 Tx judgement in Etherscan

In Etherscan, the ERC721 Token Tx section on the address screen of each account is displayed separately, and I wonder how they judge the ERC721 Token Tx. If anyone knows anything about this, I'm eagerly waiting for any answers. below the etherscan…
Normalbut_Genuine
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What is column 'type' means at Ethereum method eth_getTransactionByHash?

As the title said, I can't find any document that has a type column description, and don't know the value means. Is anyone has an idea? { "jsonrpc":"2.0", "id":1, "result":{ …
Fan
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Swap ETH to WBTC or other alt coin by a smart contract

I am trying to create a smart contract for a gmae that is, If anyone send ETH to it's address, it divide the ETH value into two equal value and send equivalent WBTC of firs part to an address and other part send on another address with other ALT…
Jitendra
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Transaction showing on etherscan.io but no showing on API.etherscan

I am trying to get the transactions of an address using https://api.etherscan.io/api?module=account&action=txlist&address=0x9bb1499d06f3036a12f653f00b889731d04c47a0&startblock=0&endblock=92649034&sort=asc&apikey=XXXXX however, I get the results "No…
Marci Banez
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contract's address transactions list - Etherscan API

Does anyone know how to obtain the list of transactions from a contract' address I have tried the etherscan.io API https://etherscan.io/apis#contracts I have followed the instructions to receive a response with a list of all transaction for a…
user9958772
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How to encode input data on etherscan when trigger a non open source smart contract?

I have deployed a smart contract on Ethereum. When I triggered it, function name and params were displayed on etherscan. How can I hidden these infomation? enter image description here
kasuki
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How do i convert this code in solidity? or How does this contract work?

I am looking for solution to deposit erc20 token on exchange. The main reason is to find how to send erc20 token using fee as a contract owner address. This contract is deployed on Etherscan contract address for reference :…
kishan
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Why can't this etherum tx input data be decoded?

If you go to this transaction page on etherscan, scroll down to the Input Data section and click the Decode Input Data button- it gives you nothing, which I can only assume means that etherscan was unable to decode the input data given the ABI for…
CraniumCode
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Why are my Ethereum smart contract transactions not showing up after X amount of transactions?

I'm testing a very simple contract I made (just has one function that emits a particular event) on the Kovan testnet. Now this works perfectly fine on it's own, however when using web3.py and making many transactions in a short period of time (500…
Meschdog18
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Get ETH Wallet address list by smart contract address

I would like to fetch the list of all ETH wallet addresses by an API(?), given a smart contract address. Similar feature that we see on etherscan.io under the erc20 Holder list. Any docs/resource would be appreciated. Thanks
dweepks
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This contract matches the deployed ByteCode of the Source Code for Contract on EtherScan

Using Openzeppelin CLI I created Upgradable Smart contract and Deployed it on my rinkeby Testnetwork thats all working fine.but after the deployment i check the source code of my contract on https://rinkeby.etherscan.io/ it shows my contract is…
Prabhakaran Mathiyalagan
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How to display API JSON data in bootstrap table

I want to load event logo using etherscan API. It is not added to the bootstrap table. It's not long since I just started coding. Sorry for the many…
SOAIFAO
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Indirect Jump ByteCode

I am trying to understand Ethereum Bytecodes. So whenever there is any JUMP/JUMPI opcode it is preceded by some PUSH opcode. My question is how can I differentiate if this jump is direct or indirect? Can someone provide me some example of Ethereum…
Deepak Yadav
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