Questions tagged [c#]
Pronounced "C-Sharp". A computer language developed by Microsoft.
66
questions
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NBitcoin in C# MVC App Gives Me A WitnessProgramMissmatch Error When I Try to Build The Transaction
I am writing tests for an app I built that uses NBitcoin to send bitcoin and make bitcoin transactions.
I have the following code to create fake bitcoins for an integration test:
private ICoin[] ...
- 243
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vote
0
answers
57
views
Buy Bitcoin with NBitcoin c# Web App
I have been using the NBitcoin lib with c# to create a Bitcoin wallet app. I have pretty much sorted out the creation of the wallet and everything that this entails. What I need some help with is on ...
0
votes
0
answers
98
views
C# Bitcoin class - Create unique btc address for each order - make deposit & withdraw
I am looking for a good library in c# for bitcoin as payment method in my web site.
My purposes from this library :
Create unique btc address for each order
deposit job with callback url
withdraw job
...
- 139
1
vote
1
answer
219
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developing hd wallet using bip32 and bip 39
I'm developing a HD wallet using C#.
I want to use this wallet for multiple blockchains like bitcoin, ethereum, dogecoin etc...
I've read that I should use bip32 for my wallet. i know what's bip32 but ...
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0
votes
1
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176
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Read Wallet addresses with C# and Berkeley
I have searched all threads, but still couldn't find an answer.
I am trying to read from a wallet that is not encrypted, but I am not able to proceed on retrieving the address values, they are byte[] ...
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2
answers
1k
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Generate BTC Private key from user string input
I am looking to generate a Bitcoin Address from an user input text (like the good old days Brainwallet).
User input a "Text string" and based on this text string generate the corresponding ...
0
votes
1
answer
317
views
Generate public addresses (NBitcoin)
I'm trying to generate a public address and for that, I have the code:
var key = new Key();
var wif = key.GetWif(Network.Main);
Console.WriteLine($"WIF: {wif}");
var secret = new ...
1
vote
1
answer
163
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Nbitcoin's BitcoinPubKeyAddress not recognizing native segwit addresses
I'm trying to build a transaction using Nbitcoin. When I run this line there is an error parsing the address. It runs fine with segwit addresses starting with a 1, but not native segwit.
Using System;
...
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216
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Bitcoin payment gateways in c#
My question is about Bitcoin payment gateways and we can add their gateways to my site Like those sites (bitpay.com,https://gourl.io/), I want to create a bitcoin payment gateway in C#
my question :
...
0
votes
1
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744
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NBitcoin -- How do I just check the balance of my wallet from my seed phrase?
I've looked through the docs, I've Googled, I've searched here, and it all just seems like Greek to me... I must not be using the right keywords, because I just can't figure out what I think should be ...
- 103
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2k
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Generate address of 'private key' from user input
I want to take a private key as input from the user and convert it to a wallet address using C#.
I have seen this in a tutorial to generate a random key:
Key privateKey = new Key();
PubKey publicKey = ...
- 21
2
votes
2
answers
1k
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What is needed to generate a bech32 address?
So I wrote a vanity address generator in c# with the NBitcoin lib. When I use the private key used to generate the address and input it in Mycelium it outputs a different address. This does not occur ...
- 21
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168
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NBitcoin Transaction sign(secret, bool) is giving error. Instead of bool it says to pass Coin Object
I am using NBitcoin (I'm new to it) to sign a transaction. Here Transaction sign(secret, bool) method is giving error. (I've searched the Internet, but got no help.) Instead of bool it says to pass ...
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237
views
How do I call getblocktemplate from C#'s bitcoinlib?
How do I call getblocktemplate from the bitcoinlib package for C#?
This call does not work
ICoinService CoinService = new BitcoinService(useTestnet: true);
var blockTemplate = CoinService....
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56
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How to recover bitcoin wallet from messed up seeds [duplicate]
I have a ledger nano s wallet that is broken , when i tried to recover wallet from 24 recovery word i got error that says the recovery phrase is incorrect, i think the place of some words is incorrect ...
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195
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How do I connect to the Electrs index?
Goal:
My goal is to be able to have my own local blockchain indexed so I can perform searches based on public keys.
Blockchain:
wget https://bitcoincore.org/bin/bitcoin-core-0.19.1/bitcoin-0.19.1-...
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7k
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Blockchain Explorer for local full node
I would like to build my own blockchain explorer because I have found that using the API's of 3rd party blockchain explorers only gives me around 2 or 3 requests per second.
Does an open source ...
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1
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99
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Candle decimal places
What is the query param to specify the decimal precision in Bitfinex API v2?
Seemly the default precision is ####.0, but i want a "precision more precise" than only one decimal place
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1
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2
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442
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NBitcoin, how to implement wallet restoration? How does it work?
at first sorry for my ignorance, I have little experience at bitcoin programming.
Im trying to implement a very simple wallet using NBitcoin library. I have done some work, but now Im stucked with ...
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2
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482
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Invoking the listunspent command via json-rpc on a full node
I am trying to use the following example code for C# programming, so I can connect to my own bitcoin full node:
https://en.bitcoin.it/wiki/API_reference_(JSON-RPC)#.NET_.28C.23.29
Which has resulted ...
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1
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51
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About Nbitcoin NodeBehavior
We wrote our transaction listener and we were implement the NodeBehavior class. But when I update version of NBitcoin v3.0.0.60 to v4.1.1.46 I can't use the NodeBehavior. Because Nbitcoin cannot ...
- 101
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3
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1k
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Trying to understand parent fingerprint in HD wallets
I'm trying to implement a barebones HD wallet generator in C#. I'm starting with a mnemonic and derivation path m/0' and want to generate BIP141 p2wpkh-in-p2sh addresses. Obviously for the Master ...
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3
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0
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452
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Nbitcoin node c#
Create a transaction to send money, then it needs to be "registered" in the system, before doing so :
using (var node = Node.Connect(Network.Main, node_address))//, node_address
{
...
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2
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1
answer
527
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C# code for Bitcoin Cash address conversion between legacy and new format
I need to convert legacy Bitcoin Cash addresses to new format and back. I am aware of similar question, but it asks about PRC and has solution using python, JS. I need it done in C# with no ...
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2k
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nbitcoin Get balance
Try to get balance :
var bitcoinPrivateKey = new BitcoinSecret("xxxx");
var network = bitcoinPrivateKey.Network;
var address = bitcoinPrivateKey.GetAddress();
var client = new QBitNinjaClient(...
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2k
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call JSON RPC API Using C#?
I am trying to call JSON RPS API Using C#. I have added my own IP address with its credentials.
Before writing API in C#, I have installed Bitcoin on my server. Now, using the server details, i ...
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2
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2k
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C#, How can I actively query the crypto-market?
Are there any wrappers to get the real-time crypto-currency value similar to coincap.io?
Right now I am using Json to deserialize a download string from CoinMarketCap, however, the api does not ...
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1
answer
899
views
Creating Payment system using Blockchain API
I see a whole lot of websites using the blockchain API to create bitcoin wallets (if i am correct), send and receive payments, I know how to ordinarily make a payment system using C#/MSSQL or PHP/...
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635
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C# library for exploring Bitcoin Cash blockchain
Does anyone know of a good C# library which would enable me to explore the Bitcoin Cash blockchain by communicating with my own node?
Something like Nethereum (Web3) for Ethereum.
Or, alternatively, ...
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765
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Can't RPC to Bitcoind (C# / Windows)
I am running a node on Windows Server 2016.
Everything seems to be running fine.
If I go to https://bitnodes.earn.com/ and put myip:8333, the node is successfully reachable.
My bitcoin.conf is:
...
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2
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2
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2k
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Using NBitcoin or C# to derive Litecoin and Ethereum Addresses from Master HD Key [closed]
I am using NBitcoin, C# and the Bip44 standard to create an hdroot to derive child keys from. I then create keys that I want to use for Litecoin and Ethereum addresses by setting the proper 'coin_type'...
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343
views
Creating HD wallets with BouncyCastle in C#?
I'm trying to write a class that can be used to generate public/private key pairs for bitcoin (and any of its 'clones'), I found some code elsewhere that uses BouncyCastle to generate keys, here's the ...
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934
views
How can I see the wallet balance using Blockchain Api? C#
Stupid question, but I cant get it
So, then I type my wallet adress on blockchain.info I immediately can see my balance, but from my project I can't type something like:
WalletAddress wa = new ...
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2
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1
answer
3k
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NBitcoin: signing a transaction in TestNet
I am using the NBitcoin Library to program a simple Bitcoin Transfer Program in C#.
The Program will take the coins from a Transaction ID and then Transfer it to a Destination Wallet Address
The ...
3
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1
answer
459
views
How to determine if transaction is going to propagate?
So I am creating a transaction using TransactionBuilder like this:
var builder = new TransactionBuilder();
Transaction tx = builder
.AddCoins(coins)
.AddKeys(privateKeys)
.Send(recipientAddress,...
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4
votes
2
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917
views
Is the generated Public Key from Private Key Unique in Bitcoin?
I am generating public key from my private key. I did in Java script and C#.
but generated public keys are different.
My Code in c# (KeyCore.NET):
PrivateKey pv = new PrivateKey(Globals....
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2
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2k
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C# BC, successfully creating and signing raw transaction
First time on stackexchange to ask for help, sorry if i make mistakes (english is not my native language).
I try to create a valid raw transaction on C# with bouncycastle and i seems stuck, not able ...
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3
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5k
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How to get the bitcoin balance of a public key in C#?
How can I get the bitcoin balance of a public key in C#?
E.g. for this public key: 1FqLoEpbQpMxow5bqEPpFbPVnBEbFcsg3J
How can I get its balance in C#?
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2
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8k
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How can i send bitcoin using c# and the nbitcoin library?
I am using NBitcoin library to create my private keys and addresses, but I can't find an example of how to send Bitcoin.
Does anyone have a c# example code to send Bitcoin using the NBitcoin library ?...
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470
views
How to add parameters like "-regtest=1" to a JSON-RPC call in C#?
I'm trying to modify the CoiniumServ codebase ( https://github.com/int6/CoiniumServ ), so it supports bitcoind in regtest mode.
I know using bitcoin-cli you need to add -regtest to the bitcoin-cli ...
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1k
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Creating publicKey from random programtically in c#
I've been looking around I can't understand or find a complete explanation of how to accomplish this, I've tried multiple way even this link How do you get a Bitcoin Public Key from a Private Key ...
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302
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bitcoinlib 'There was a problem sending the request to the wallet'
I've configured the bitcoin.conf and web.config file in visual studio to match, and I keep getting the above exception, also getting this when I run it...
'No connection could be made because the ...
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3
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2
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1k
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Sender address from DecodeRawTransaction (C#)
I'm trying to get the senders address using the Bitcoin JSON RPC in C#. So I GetRawTransaction and then use the DecodeRawTransaction method to return my JSON object. I can see in the 'vout' of this ...
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1
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771
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Which language has better Bitcoin API experience, C# or Node.js?
At the moment it seems to me on the .NET side NBitcoin would compete with Bitcoin.js on the other.
Update: I decided on NBitcoin. It has a great book to learn from.
Note I will not form opinion on my ...
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2
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7k
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C# parse bitcoin blockchain to get balance of an address
Is there a way to scan the Bitcoin blockchain in C# without using an external API? I am looking for the amount of spendable money of a Bitcoin address.
I am using NBitcoin.
// create new key pair ...
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votes
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4k
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How to use NBitcoin for BIP32 wallets
I'm using c# NBitcoin to generate master key at an offline server
ExtKey privateKey = new ExtKey("[My seed]");
ExtPubKey pubKey = privateKey.Neuter();
I will need to give the online server the ...
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2
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2k
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How to generate a Litecoin Private key and correspondent Public Address in C#
I found this C# tool to generate addresses for Bitcoin (compressed and uncompressed):
https://en.bitcoin.it/wiki/Bitcoin_Address_Utility
https://github.com/casascius/Bitcoin-Address-Utility
It ...
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995
views
Bitfinex 400 error
string url = @"https://api.bitfinex.com/v1/balances";
string paramDict = "{\"request\": \"/v1/balances\",\"nonce\": \"" + GetNonce() * 10000 + "\"}";
string payload = Convert....
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1
answer
386
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c# BitcoinLib: GetRawTransaction verbose=1 does not work
I want to find out confirmation number for non-wallet transaction.
When I use
CoinService.DecodeRawTransaction(CoinService.GetRawTransaction("...
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581
views
Matching KeyPath in application with Wallet32 Keypath for Bip44 wallets
I have an application where I create an HD wallet with a passphrase and save the public master key to the database for the user.
Then, I want the user to be able to back up the wallet to their own ...
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