All Questions
6 questions
0
votes
0
answers
32
views
How works auto crypto assets stolen web pages
In my dissertation, I learned about the tactics of Ethereum scammers and I wanted to know how crypto sites automatically detect "cryptopank", "bored monkey", coins, etc., and ...
0
votes
1
answer
436
views
Problem with eth.sendRawTransaction in geth console
Im trying to use the following code with nodejs to create a raw transaction:
const ethTx = require('ethereumjs-tx').Transaction;
const txParams = {
nonce: '0x0',
gasPrice: '0x3B9ACA00',
...
2
votes
1
answer
5k
views
message: 'invalid argument 0: json: cannot unmarshal hex string without 0x prefix into Go struct field SendTxArgs.value of type *hexutil.Big'
I am using a JSON RPC request and source code is as follows:
var options ={
url: "http://127.0.0.1:8545",
method: "POST",
headers: {"Content-Type":"...
2
votes
2
answers
480
views
Transmit array as first parameter in web3.js
When I develop in solidity combined with web3.js, I face some problem recently. I create a contract code below
//setContractDetail(index,bool isConsentItem,uint8[] detailItems)
function ...
0
votes
0
answers
352
views
how to automatically transfer funds in geth
I am trying to find a way how to automatically transfer funds from one address to another after new block is sealed.
Scenario would look like this:
1. New block sealed
2. Check source account ...
5
votes
1
answer
3k
views
Listing transactions in a private blockchain?
In a private blockchain, is it possible to list the transactions based on from and to parameters in a transaction.
Is it possible to check the latest transaction from or to an address?
Also, is it ...