Questions related to the C# .NET Ethereum Web3 RPC Client Library, named nethereum
Questions related to the C# .NET Ethereum Web3 RPC Client Library, named nethereum
Questions tagged [nethereum]
141 questions
4
votes
3 answers
Nethereum. Analog for web3.eth.filter('latest').watch()
I need to watch changes in blockchain. For web3.js it was simle.
web3.eth.filter('latest').watch(function () {
//some code
});
How implement this in Nethereum?
Artem
- 687
- 1
- 5
- 12
3
votes
1 answer
Nethereum get Last Block Number
I would like to get something similar to solidity
block.number - 1
using Nethereum
BlockParameter.CreateLatest()
Is latest here mean the Last BlockNumber been mined? Or do I need to minus 1?
s k
- 886
- 1
- 10
- 22
2
votes
1 answer
How to get the Error Message from revert and require on a solidity contract with Nethereum
Is there a way on Nethereum to get the string messages returned from arevert or require are executed on solidity contract?
elranu
- 121
- 3
2
votes
0 answers
Getting return data from a transaction hash using Nethereum
I'm using Nethereum to call a non-view/non-constant function of a smart contract that modifies the state of the smart contract and returns a boolean value.
The result of submitting this transaction is a transaction hash.
Is there a way in Nethereum…
Cornelius
- 183
- 6
2
votes
1 answer
Blockchain information from Nethereum
How can I get the latest block, coinbase and other information using Nethereum?
DottoreM
- 191
- 13
2
votes
1 answer
Create new address in Ethereum using Nethereum
I try to create new account.
var web3 = new Nethereum.Geth.Web3Geth();
var ecKey = Nethereum.Signer.EthECKey.GenerateKey();
var privateKey = ecKey.GetPrivateKeyAsBytes().ToHex();
var account = new Account(privateKey);
in account i recived…
Евгений Саранин
- 21
- 2
2
votes
1 answer
How to get 'defaultAccount' by Nethereum?
I'm using Chrome with Metamask extension. When I change the account, eth.coinbase value is always set to current one, so I can do the assign in JS code:
web3.eth.defaultAccount = web3.eth.coinbase;
But when I create a Web3 object in C# code and…
choosen_onee
- 23
- 4
2
votes
1 answer
Function.SendTransactionAsync() What value to pass to the param "value"?
I am running a private blockchain node using geth as a client and nethereum to interface to a .net application.
In order to mine a function call I am currently using the function Function.SendTransactionAsync() like below:
var transactionHash =…
vitoscalleta
- 195
- 1
- 9
1
vote
0 answers
Getting 403 Access Denied after several hours of execution
I have an application that executes fine for several hours but after a while I start seeing 403 exceptions from the RPC client, usually on internal TranasactionManager calls like "Estimate Gas".
Any suggestions on why this is happening or how I can…
Ofek
- 111
- 1
1
vote
0 answers
Why I can't get any status from Nethereum TransactionReceipt?
Sample code below (simplified for illustrative purposes only):
var a = new ManagedAccount(mOwner, mOwnerPwd);
var w = new Web3(a, mNodeUrl);
w.TransactionManager.DefaultGas = mGasLimit;
w.TransactionManager.DefaultGasPrice = mGasPrice;
Contract c =…
s k
- 886
- 1
- 10
- 22
1
vote
1 answer
Nethereum: How to get the list of pending transactions (haven't mined to a block yet)
Currently I'm using GetBlockWithTransactionsByNumber by looping into the latest 200 blocks to get the transactions sent to my address. I can actually get my transaction through the block number but what about the pending transaction which has no…
doohder
- 23
- 4
1
vote
1 answer
Nethereum struct size
I have this simple contract
pragma solidity ^0.4.10;
contract test {
int _multiplier;
struct MyCustomData {
bool exists;
string Name1;
}
mapping(string => MyCustomData) myData;
event Multiplied(int indexed a, address indexed…
Sydney Shown
- 35
- 2
1
vote
1 answer
Nethereum 2.0.0-rc5 Miner
In the previous version of Nethereum (1.0.6), I was able to do something like this:
var miningResult = await web3.Miner.Start.SendRequestAsync(200);
Assert.IsTrue(miningResult);
In 2.0.0-rc5 I get an error: Web3 does not contain a definition of…
Sydney Shown
- 35
- 2
1
vote
0 answers
How does one poll for transfer events using Nethereum?
I have a contract deployed on Goerli test network, given the code below, I never see any event changes when I transfer tokens.
public static async Task PollForEvents(JObject pixelBlock)
{
try
{
var…
ZackOfAllTrades
- 111
- 2
1
vote
0 answers
How to call a contract's function in Nethereum?
I'm trying to call a contract's function but get an error "Function not found". I've made a test contract from this topic https://docs.nethereum.com/en/latest/contracts/calling-transactions-events/ on bsc testnet, and it works good - I can call a…
Xed
- 11
- 2