Questions tagged [bitcoinjs]
BitcoinJS allows you to create webpages that pull information from the blockchain.
84
questions
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bitcoinjs-lib is installed but cannot use its functions
I've installed the latest version of bitcoinjs-lib but I cannot use the functions of the library.
I get errors like:
const keyPair = bitcoin.ECPair.fromPrivateKey(Buffer.from(privateKey, 'hex'), { ...
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votes
0
answers
29
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Importing 'bitcoinjs-lib' into a react app causing: Error: Can't resolve 'stream' in node module cipher-base
I'm building a react native app and am trying to import the bitcoinjs-lib but whenever I do, it immediately crashes with the error below:
ERROR in ./node_modules/cipher-base/index.js 2:16-43
Module ...
0
votes
1
answer
101
views
testnet output address has no matching Script?
Here is my code to create a PSBT on the testnet:
const bitcoin = require("bitcoinjs-lib")
const privKey1 = "..."
const address1 = "mkVPHMR5euGTcvpFj6tfyVERstDdH4RtQs"
...
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1
answer
46
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problem sending relative locktime (OP_CSV) transaction
i tried making a relative timelocked transaction with 1 block timelock (spendable after 1 confirmation)
funding tx:
0fda5412da2a2615361914fad007aac73154746108d44c04529e78f6c4424655
address: ...
- 247
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0
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26
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How to secure exchange hot wallet keys
Am currently working on an exchange, am building the hot wallet using bitcoinjs-lib. I generate my wallet pub /sec keys and addresses using this library (I don't want to use wallet.dat file).
Now is ...
-1
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1
answer
790
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How to read the balance on a wallet address [closed]
So, first of all i will be creating these wallet addresses on my end using below code:
const diviMainnet = {
messagePrefix: '\x19Divi Signed Message:\n',
...
- 49
1
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0
answers
211
views
Error validating transaction ... Script was NOT verified successfully
I'm getting this error below when trying to broadcast a transaction with the code below. I'm new to blockchain development and I've been trying to solve this but can't seem to figure it out. I believe ...
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1
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573
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In bip32-utils for bitcoinjs, node.getAddress is not a function
I am trying to run the example code in the bip32-utils taken here (https://github.com/bitcoinjs/bip32-utils) of:
const bip39 = require('bip39')
const bitcoin = require('bitcoinjs-lib')
const ...
1
vote
2
answers
364
views
Storing entire seed from bip39 mnemonic using WIF
I'm using the bitcoinjs collection of libraries, specifically https://github.com/bitcoinjs/wif, https://github.com/bitcoinjs/bip32 and https://github.com/bitcoinjs/bip39 with nodejs.
I have a mnemonic ...
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1
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225
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Missing Witness field in p2wpkh decoded tx hex
I have placed together a raw tx hex but when it's unable to be broadcasted as I keep getting an error below
sendrawtransaction RPC error: {"code":-25,"message":"bad-txns-...
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1
answer
84
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What are some different ways to retrieve btc transaction information of an address using bitcoinjs?
What are some different ways to retrieve btc transaction information of an address using bitcoinjs?
I've tried using the syntax from this page (https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/...
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0
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672
views
Need help with (Script failed an OP_EQUALVERIFY operation)
This is a repost of a question which i posted directly on the repository of bitcoinjs-lib, which you can see here
I'm getting the following error when trying to push transactions:
Err: ...
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0
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103
views
How to get raw tx in hex format by not fetching API from provider?
I've looking for some solution to encode raw transaction in hex format by programmatically without fetching data from any blockchain provider. Are there any way to do this?
- 101
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495
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Can we sign a psbt raw tx having multiple inputs created from BTC node with bitcoinjs lib?
Due to secruity reasons, unavailablity of private keys on my end and as per project requirements I need to build back end apis where I will provide a PSBT raw transaction hex (having multiple inputs) ...
- 111
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0
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106
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How can I use PSBT in a JavaScript project?
I am trying to use PSBT in a Bitcoin project.
The idea is to generate keys and sign transactions client-side.
I am already familiar with bitcoinjs-lib but I find the API rather complicated.
It would ...
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0
answers
102
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How to use Digital Signature to Sign Unsigned Transaction?
so I was trying to sign my unsigned transaction:
...
- 113
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2
answers
342
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How to verify the compressed signature in Bitcoin? It is 138 long in hex
I am using the bicoinjs-message npm module for signature verification.
I learned that there are few signatures which are of length 138 in hexadecimal.
When I tried to verify such a signature it is ...
- 113
2
votes
1
answer
277
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How to fetch all UTXO from a SPV wallet using bitcoin-filter.js (or other lib)?
I am using bitcoinjs-lib to create private key (WIF), addresses and sign the transactions.
I would like to fetch all transactions (UTXOs) associated with a wallet. I found these libs: bitcoin-filter ...
- 187
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1
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388
views
How to calculate fee in BitcoinJS raw transaction?
I have a transaction with 3 inputs and 2 outputs. 1output is the recipient and the other output is change address. How should I calculate the fee and apply it to output?
1
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1
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654
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Bitcoinjs-lib how to add multiple utxos in addInput
Hi i want to make transactions of bitcoin bech32 addresses using bitcoinjs-lib , here is my code below, it works fine when my address has only one utxos but when it increases to two or more as its ...
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1
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84
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How to do tx.addInput without tx_hash if sending from address for the first time?
Iam using the bitcoinjs-lib library and trying to do a transaction. Iam doing the tx.addInput method before building but running into a build issue. I assume an error is thrown if ...
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3
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3
answers
2k
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How do you switch your bitcoinjs integrationfrom TransactionBuilder to transactions-psbt.js?
the code below works:
const btc = require('bitcoinjs-lib');
var tx = new btc.TransactionBuilder(net);
inputs.forEach(o => tx.addInput(o.txId, o.vout));
outputs.forEach(o => tx.addOutput(o....
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2
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186
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How to get BTC transfer amount from raw tx using bitcoinjs
Suppose I have following object
console.log(bitcoinjs.Transaction.fromHex(rawTx));
The output
Transaction {
version: 2,
locktime: 1655960,
ins: [
{
hash: <Buffer dc 4d aa 10 db ...
1
vote
1
answer
1k
views
Tracking incoming transactions using nodejs and own node
I need to verify that user from my database has sent btc to my wallet.
Ideally I want to generate a unique address for each user transaction and then track all those addresses but I suppose it will ...
- 11
1
vote
1
answer
936
views
Cannot sign txn with change address using bitcoinjs-lib psbt
I am having a difficult time figuring out how to sign a spend from a change address. I get Error: cannot sign for this input with the key <value>. The initial transaction works fine, where I ...
- 143
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2
answers
153
views
How can I consume my whole bitcoin balance in a single transction? Is it possible to use multiples UTXOs in a single transaction?
I want to make use of a single bitcoin address for payment. I'm using bitcoinjs library's transction builder for creating my own transaction. Can anyone help with a proper code to use multiple UTXO's ...
- 111
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1
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663
views
Why do I get: Error: <address> has no matching Script
The example code for psbt.addOutput() with address '1KRMKfeZcmosxALVYESdPNez1AP1mEtywp' works as expected. But if I change this to an testnet address I get this error: ' has no matching script'. I ...
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1
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305
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How to get Bitcoin input transaction hash string from bitcoinjslib Transaction object?
I'm using bitcoinjs-lib and its Transaction object. Transaction.ins is an array of objects, each which has a hash and script property. Both of these properties are Uint8Arrays.
I am trying to get ...
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70
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Sign a Partially Signed rawtransaction with bitcoinjs-lib
I was trying to figure out how to use the bitcoinjs-lib. I was thinking if I could sign a partially signed raw transaction in bitcoijs-lib.
For example - If I have a hex String whose input1 is ...
- 109
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0
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306
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How to send & receive bitcoin using bitcoinjs-lib?
First I create HD Wallet using BIP32 using mnemonics.
Now I want to generate new child addresses with private key using xpub & xpriv for every receive.
Then for example, I received BTC in 2 ...
- 121
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3
answers
2k
views
how to generate bitcoin adddres using seed?
Hi i am new to bitcoin all i want to know is how to generate address using mnemonic seed?
let testnet =Bitcoin.networks.testnet;
let keypair =Bitcoin.ECPair.makeRandom({network:testnet});
let address=...
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1
answer
2k
views
How to retrieve readable private key from bitcoinjs-lib
I'm still new to bitcoin and experimenting a lot with bitcoinjs-lib in JavaScript.
How do I create a readable string from a private key?
This is my current setup:
const seed = bip39....
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votes
1
answer
539
views
Cannot read property 'toWIF' of undefined
I am working on a cryptocurrency site in which each user will have there own individual deposit address to put currency on site. I am using bitcoin-core, bitcoinjs-lib, along with quite a few other ...
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1
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2k
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How do you sign data with a private key? [javascript]
Using BlockCypher’s signing tool (link), I can sign the following data:
05de69f5d37f41340eed3230f03d2394dde5e497738a76f027b7d962a0cbdf39
with the private key:
...
- 343
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0
answers
41
views
How do you sign transactions from a HD wallet? [duplicate]
I'm using the following tool to generate a HD wallet:
https://iancoleman.io/bip39/
However, it gives quite a few different private keys and I'm not sure which one is used to sign transactions with.
...
- 343
2
votes
1
answer
2k
views
How to get xpriv and xpub from keyPair with bitcoinjs-lib
I have this code:
const bitcoin = require('bitcoinjs-lib');
const keyPair = bitcoin.ECPair.makeRandom({ });
Question: how do I get xpriv and xpub from keyPair
- 285
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1
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1k
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UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'fromSeedBuffer' of undefined
I am getting Getting error at this line
var root = bitcoin.HDNode.fromSeedBuffer(seed);
UnhandledPromiseRejectionWarning: TypeError: Cannot read property
'fromSeedBuffer' of undefined
Here is ...
2
votes
1
answer
1k
views
How to create a brainwallet with bitcoinjs?
This is how to create a brainwallet with bitcore
const Bitcore = require("bitcore-lib");
// const Mnemonic = require("bitcore-mnemonic");
// https://bitcore.io/api/lib/crypto
let brainsrc= 'satoshi'
...
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1
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47
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Can I use wallet balance in satoshis as input for transaction builder ( bitcoinjs-lib )? [closed]
Can I use wallet balance in satoshis as input for transaction builder using bitcoinjs-lib ?
If yes, how?
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1
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543
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Can't generate same addresses as bitcoincore using xprv from bitcoin-core
First of all all addresses below are for testing purposes so I don't care about private keys.
So dumped wallet created by Bitcoin-qt v0.16.2:
extended private masterkey: ...
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1
answer
285
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Looking for JS/Node.js code example to sign a transaction (with multiple UTXOs) with only the extended private key
Is there any Javascript code out there or examples on how to sign a transaction by using the extended-private-key?
What I am essentially looking for is code that will help derive the private key, ...
- 103
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1
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250
views
Generating Output Script from Bitcoin.js or other Javascript Library
I'm attempting to use the Ledger Wallet API to sign a multi-sig transaction. The API works as follows:
var inputs = [
[ "71f97fa2a21486ecd99674a8ae068d92acd2e9db49c199473be39984e6cbe0f6", "00000000"...
- 101
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1
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741
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Bitcoinjs-lib help with deterministc wallet
i'm learning about bitcoin, and bitcoinjs-lib (https://github.com/bitcoinjs/bitcoinjs-lib)
I created a dummy wallet on coinomi using this mnemonic ('eight better wealth display father cave suffer ...
0
votes
2
answers
1k
views
How to change network on BitcoinJS-lib with Coininfo and generate Dogecoin address?
Can't find out how to change network on BitcoinJS-lib with Coininfo and generate Dogecoin address?
In a Coininfo's example I found this: https://github.com/cryptocoinjs/coininfo#want-to-use-with-...
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1
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212
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Bitcoinjs module missing issue
I am trying to run this code with node and bitcoinjs-lib but I keep getting missing lib.
Any idea what am I missing?
I am on a Windows Server 2016. I try to create a P2SH address by hashing a ...
- 341
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0
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334
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bitcoinjs-lib seems to skip a step in deriving addresses from a BIP 44 wallet
According to this wiki page to create a bitcoin address,
1) you have your public key of the properly derived path
2) Then SHA256 it
3) Then RIPEMD-160 it,
Add version byte at the front and boom ...
- 1,598
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2
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464
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Using BitcoinJS - How do you verify a message using a segwit bech32 (bc1…) / P2SH (3…) addresses?
I created a signature from a message using my private key. But how do I verify this signed message using my segwit addresses of 3... or bc1...? How do I verify this using the BitcoinJS library?
- 10.9k
3
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2
answers
3k
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How to sweep a segwit bech32 private key?
I'm testing segwit bech32 addresses and generated the following using bitcoinjs:
address: bc1qc7u5njf4nf2rj3zys642mfc7nct6kdven8j4e9
private key: 5Kkzs8XrJNAmf9VQDFeGBfaRvSByAvPK6DbDXw5BVqswWaXSG2Y
...
- 10.9k
1
vote
1
answer
140
views
Where does the entropy of BitcoinJS' makeRandom() come from?
The library BitcoinJS (https://github.com/bitcoinjs) has a method called makeRandom(). Where does its entropy (randomness) come from? Is it as secure as the method from http://bitaddress.org/ (moving ...
- 639
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0
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90
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Using blockcypher BitcoinJs at clientside is secure or not?
I am trying to create new transaction using bitcoinjs at client side.
Is it a secure way to create a transaction from Client side, which includes curl call.
Scenario, if I start from creating the new ...
