Questions tagged [explorers]
Questions related to the blockchain explorers
105
questions
1
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27
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fetching address label from transaction info
while fetching transaction JSON for the given address, I want to fetch the address label associated with the address, for example, here's an example of how Moralis streams provide it for EVM chains,
{...
0
votes
0
answers
24
views
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)
...
- 49
1
vote
1
answer
79
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`web3.eth.abi.decodeParameters()` returning error: AbiError: Parameter decoding error: overflow
I am trying to decode the transaction input which is an hex data. I am using the following code for the same
const functionABI = abi.find(entry => entry.name === 'check');
decodedInput = web3.eth....
- 21
0
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0
answers
12
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Ganache-cli block explorer
I am working on a project and creating private blockchain network using ganache-cli. I store the blockchain in the database using --db option. I am trying to understand what is stored in each block of ...
- 21
0
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0
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34
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Blockchain Explorer For My Geth Private Network
I am struggling to find any valuable resource to create a block explorer for my private network.
Can anyone suggest any repositories/third-party explorers I can use to create a block explorer for my ...
0
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0
answers
21
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Metamask "Activity" can't list transactions at the recipient side!
I have a private Ethereum network. A block explorer (blockscout) is connected to my miner. The problem is: using Metamask, I can send transactions, which are mined and shown in the block explorer, but ...
- 1
1
vote
0
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23
views
List failed (ERC20-)Transactions for a specific address?
is there a way to show all failed (or all including failed) transactions regarding a destination address?
Example:
https://etherscan.io/tx/...
0
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1
answer
102
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Sirato Explorer
I am able to setup a private ethereum network using hyperledger besu in my localhost:8545. I want to view the blocks that has been added to the blockchain, any guides on how can I do this?
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16
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solution for error regarding "send payable function solidity"
enter image description here
ng
This snippet contains program block and error occurred
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1
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230
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How to make my own private blockchain?
I would like to launch my own private blockchain based on polygon.
I googled for it, but I think my googling skill is not good because I can not get any useful URL for it.
Can someone please help me ...
- 387
1
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0
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51
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Any simple way(API?) to programmatically get an etherscan transaction information by tansaction hash?
When I use etherscan web app, I can get a nice summary for each transaction(input info, token transfers, value, fee, etc.) - for example: https://etherscan.io/tx/...
- 111
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81
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Swap router addresses list
I'm looking to create a list of available swap routers addresses ( on ethereum and polygone mainet) from differente DEXes .
Can you help ?.
Many thanks.
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348
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Searching for Ethereum addresses that match a partial address?
Using publicly available blockchain explorers such as Etherscan, is it possible to return all matching results for a partial address or transaction hash?
More specifically, if the known piece of data ...
0
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2
answers
984
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How do I set an image for ERC20 tokens on Etherscan?
The picture above is an example.
I want to set an image on the ERC20 token I created and display it on the Explorer page.
Can anyone tell me how to set it up?
- 425
3
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0
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207
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Can block scout connect to a full node and index the transactions in the DB or does it need to be connected to an archive node?
For my project, I want to query the database that will be created and filled by Blockscout (an open-source block explorer). I have set up a full Ethereum node using Geth and Teku that is currently ...
- 161
1
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2
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60
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How Do I Find Matching Ethereum Transactions Based On The Amount Of Ethereum Sent?
I am trying to locate a specific transaction on the Ethereum blockchain.
I know the approximate amount which was sent, and that it was sent in 2019. I do not know the from address, to address, hash, ...
- 121
1
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0
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14
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What do you receive from the community? What does the community gives to Ethereum? [closed]
I am happy to be here. My name is Irina. I am researching how community helps to stakeholder- Ethereum, what advantages or help (or any other things) the community gives to members?
I would be ...
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1
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1
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213
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ERC20 Token Transfer Inside a Contract Not Show In Explorer
I created a token in Mumbai Polygon Testnet.
Token: 0xe6fABBF30a2aDc850E507aCbcF7D0BAFFe64A4Ad
Transfering etc. works well.
Then I created a contract interacting with that token.
Contract: ...
- 314
0
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1
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168
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Remix not letting workspace download
Remix doesn't allow me download the workspace. I've been trying to hit the download button, but it doesn't allow me download the workspace.
0
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1
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186
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View smart contract at previous block before self destruct?
Suppose I know the address that had a smart contract. This smart contract ran and called the self destruct function, so at the current block the smart contract has nothing there. But if smart contract ...
- 257
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110
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Why can't "input data" get decoded in a normal, readable format in an explorer, in some cases?
Let's say, this transaction https://testnet.snowtrace.io/tx/0x86895afcc3768254e5a1257790e95cdcd7402df6c88ed098c012a809a9be3e1d
The function router.swapExactAVAXForTokens was called here. However, in ...
1
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1
answer
325
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How do I tell which solidity version eth-brownie is using to compile my contracts?
I'm not specifying a solidity version so I'm not sure which solidity version brownie is using to compile my contract.
I'm using pragma solidity ^0.8.0; so I'm not sure which version above 0.8.0 ...
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2
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1
answer
6k
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What is the best OPEN-Source ETH explorer? (alternative to etherscan) [duplicate]
What is the best OPEN-Source ETH explorer?
I ve seen the following answer : Open Source Ethereum Blockchain Explorer
Is these the only 3 open source alternatives to etherscan?
EthVM
BlockScout
...
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1
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2
answers
1k
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How to fork Etherscan block explorer?
I'm using a blockchain with quorum and I would like to use a block explorer like Etherscan. Is the Etherscan an open-source project? I've seen a lot of explorers that are similar, how can I get one ...
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28
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How does MetaMask pull wallet data?
Title. Question out of curiosity. Does it connect to a block explorer API for each block?
- 21
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599
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how can I categorize the transactions based on the method they call to transfer and non-transfer transactions using web3?
Blockchain explorers show "transfer" instead of the method id for some of the transactions on their list, so there should be a way to filter transactions based on the method they call.
How ...
- 145
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81
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Plugins to open deployed contract in IDE?
I can view contract code from the browser eg https://etherscan.io/address/0x8509d347caa93e7db87e0287ee51867bfcb7b9d2#code or on avax eg https://cchain.explorer.avax.network/address/...
- 101
1
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2k
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Force function execution
I have an approve method.
function approve(address spender, uint value) public returns(bool){
if (msg.sender==_owner){
allowance[msg.sender][spender] = value;
emit ...
- 11
7
votes
0
answers
100
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Is there a zk-rollup proof explorer?
With the rise of various L2 solutions I started wondering whether it's possible to inspect the transaction proofs which are sent to L1. Is there a tool with an interface a'la block explorer, but ...
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1
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37
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Interact with Blockchain data
I'm new to blockchain dev (not dev in general), and I'd like to interact with the blockchains, is there a general API that I can call and for example if my wallet has 3 BNB and 3 ETH I can call that ...
- 111
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743
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How to recognize failed transaction in a block?
I am trying to decode transactions from a block, and I noticed that failed transactions are included in a block.
Is there any specific information within failed transaction data or within block that ...
1
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1
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73
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Ethereum protocol - description fields on Alethio block explorer
I am using Alethio block explorer in an IBFT2 based chain. I am trying to understand some fields there.
Does anyone know what they mean?
Are the COMMITSEALS the signature of the validators?
What is ...
1
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3
answers
538
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Is there a tool to help find the 'distance' between two Ethereum addresses?
I.e., if A has sent to B, distance = 1. If A has sent to B and B has sent to C, distance between A and C is 2.
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4
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3
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6k
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Explorer for Private Blockchain with Ganache
I set up a private blockchain with ganache in the server. Now I want to view the transactions like in the public blockchain explorer. Locally I use Ganache GUI where I can actually track down ...
- 409
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2
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215
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If I want to create a Blockchain Explorer, would be enough just use Infura? Or is it essential to run a full node?
I want to create a Blockchain Explorer and I am wondering if using Infura for that would be enough, or if it would be necessary to run a private node on Ethereum.
I am not sure about Infura speed to ...
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560
views
Can we not allow to read/write contract from ethereum explorer?
Is there any way to not allow reading and writing contract from ethereum blockchain explorer?
One can view contract code, ABI, and every other information once the owner verifies contracts. Is this ...
- 409
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245
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How can we decode transaction and event data shown on blockchain explorer
How can we decode transaction and event data shown on blockchain explorer. I have tried couple of blockchain explorer like (epirus-free, blockscout) but they are showing only encoded values of events ...
- 75
2
votes
1
answer
608
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Etherscan Forked Blocks' Reorg-Depth is Incorrect?
I suddenly found there is an reorg happened today whose depth is 3 on Etherscan.io here. The uncle blocks is at height 9919331 and the hash is ...
- 149
2
votes
1
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883
views
How can I query an API to get my erc20 token balance of an address in JSON format?
Is there an api where I can query if an address contains an erc20 token? I need it returned in JSON format.
- 4,760
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2
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178
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How to see data sent using a smart contract?
See this transaction:
https://rinkeby.etherscan.io/tx/0xf38b9f1fdb1a6f309bb4671bbcee235c9b75685ac96f99955d59b9a112db1156
Is referred to the creation of this contract:
https://rinkeby.etherscan.io/...
- 323
1
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2
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260
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How to find the coin/token type of crypto payer in Ethereum blockchain?
I'm new in Ethereum based crypto concepts. I would like to know how can I differ the incomming crypto amounts based on their orginal token type?
Imagine I have an address on Ethereum blockchain. ...
- 307
2
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2
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1k
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I want the full list of ethereum smart‑contracts whose balances increased by 1000 Ethers above the past week
How to make this kind of query using my 200kb/s second Internet connection speed ?
With such speed, there’s no possibility to run an archival node (except maybe with a service allowing to download ...
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339
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Do I need to build my own Ethereum block explorer to read my own tokens and smart contract?
I'm new to blockchain. I find that Etherscan's UI/UX is too complicated for average person to use. I basically need my users to read my Ethereum smart contract transactions and to view their own ...
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32
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Access tools remotely
I've got nodes running on VMs on Azure etc. Upon which I deploy stuff like blockchain explorers. The thing is that all these tools run client side via js, and they call the rpc endpoint via
http://...
- 191
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217
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Query a block explorer to return the balance of a specific type of token in an ethereum address? [duplicate]
Is there a block explorer where one can query an address and it outputs the balance of a specific type of token? Is there an example of how this can be done?
- 4,760
3
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1
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5k
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Open Source Ethereum Blockchain Explorer [duplicate]
I am setting up a private blockchain with Ethereum Geth nodes. All work OK but there is no appropriate open source blockchain explorer for my private blockchain.
EtherChain Light is perfect but it ...
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1
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567
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How to retrieve holdings by address by token? [duplicate]
One can find on etherscan, for any token, the list of holdings by address.
I would like to retrieve this info programmatically. Does the etherscan API enable us to do this?
If not, what is a good ...
- 488
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73
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Search addresses by Two ERC20 Tokens [closed]
Hello, friends!
How to find Eth addresses that are stored at the same time 2 (or 3) defined ERC20 tokens?
I'm just an ordinary user,
so would be grateful for the solutions to make it simple.
...
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41
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How to check last block in which storage variable was modified?
I am looking for method to quick chceck in which block variable was modified last.
Assuming I have geth database synced in archive mode, that means I have all previous world states tries and accounts ...
- 241
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882
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How to get EVENT name from event signature hash?
I fount that some developers can get event_signature_hash for a event's name MyEvent(uint256) by using bellow code:
event_signature_hash = w3.sha3(text='MyEvent(uint256)').hex()
But vice versa, I ...
- 93