Linked Questions

0 votes
1 answer
302 views

Find deployed contract address if you loose it

How do we find the address of a contract, if we loose the address that we deployed at?
0 votes
2 answers
3k views

web3 detect/listen to events if someone send ether to addresses

I need to constantly keep running some code to detect if someone has in the past minute sent some ether/token to a lot of addresses, is there better way to do than https://ethereum.stackexchange.com/a/...
2 votes
1 answer
3k views

Listening for Deposits and Transaction Confirmations Web3js

I'm building a webapp using nodejs and web3js. I have a simple use-case: I provide the user with an address to which he should deposit funds. I want to then listen on my nodejs server for: when the ...
2 votes
1 answer
4k views

web3.eth.filter({ fromBlock:1, toBlock: "latest" }).get() not working

web3.eth.filter({ fromBlock:1, toBlock: "latest" }).get() is not working on my geth console. I downgraded my geth from 1.5.9 to 1.3.5 to resolve this but it's still not working. Strange thing is that ...
3 votes
2 answers
2k views

Is there a tool to list all the internal transactions in a block?

I don't think this is possible with the standard JSON-RPC API, but I'd like to get a list of all the internal transactions in a block. By internal transactions I mean transactions initiated by a ...
5 votes
3 answers
322 views

How to determine wether Ether was mined or received?

Is there a way to distinguish or calculate the total amount of ether which any account has received from mining and from the transfers (I mean the amount of ether transferred from other accounts)?
3 votes
1 answer
4k views

How fetch transaction history for account quickly using Web3j?

Intro We use Web3j java library to work with Ethereum network. I use Rinkeby test network wit Geth client at the moment. I got familiar with blockchains only a week ago, so terms I use can be ...
1 vote
1 answer
798 views

How to find transactions per minute

I am trying to find the number of transactions in the Ethereum network using web3. I couldn't find any web3 functions to get the same. I could see etherchain.org and some other network browsers have ...
4 votes
2 answers
16k views

Getting transaction history for a particular account

I want to get the list of all the transactions which have been performed by/on an account in my private blockchain. I tried using the function getTransactionsByAccount(accountAddress, ...
1 vote
1 answer
3k views

Mistake when using web3.eth.filter() and filter.get()

I went to the website https://etherscan.io/txs?block=4067373 and with that information choose the following address (third in line) to test on: 0x25f000254108a104A7127B5a5697cb3C12643e62 And the ...
0 votes
1 answer
2k views

http: Accept error: accept tcp 127.0.0.1:8545: accept: too many open files; retrying in 5ms

I am running geth -rpc and node to directly interact with the blockchain. When executing a large amount of requests I noticed the following error: http: Accept error: accept tcp 127.0.0.1:8545: ...
3 votes
4 answers
838 views

How to view my contract's .send(value) activity?

I have my contract address = "0x70094cae9a74c9ae08aa2ae643bcfdd9fa9edfee" My contract pay back ether to some account: msg.sender.send( amountToGain ) For example msg.sender should gain amountToGain ...
1 vote
1 answer
248 views

transaction history

I am trying to get a list of which accounts sent ether to 1 specific account (or wallet contract), and how much they sent. Is there any function in web3 that can do this. I assume it would look ...
4 votes
2 answers
7k views

How to query local Ethereum blockchain for a specified transaction?

I want to find specified transaction. How can I query my local Ethereum blockchain from the console?
2 votes
1 answer
478 views

How to do searching in Ethereum's Ledge? (SQL)

Recently, I have a question about searching function in blockchain. Blockchain is a distributed database and as a database, there should be some searching functions such as "Select", "Join". I am ...

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