Questions tagged [bitcoinjs]
BitcoinJS (bitcoinjs-lib) is JavaScript Bitcoin library.
93
questions
2
votes
1
answer
43
views
non-mandatory-script-verify-flag (Invalid Schnorr signature) when trying to reveal a TR output
I'm building a Bitcoin wallet, and I'm trying to spend a Taproot output via a script spend path, but I keep running into this "Invalid Schnorr signature" error from my RPC node:
{
"...
2
votes
1
answer
77
views
Estimating virtual bytes of a transaction seems circular
I'm sorry if this has been answered before, but I haven't found anyone really bring this up.
I am trying to construct a PSBT, which assumes a fixed feerate and a fixed amount to send to some address. ...
2
votes
1
answer
74
views
"Witness program hash mismatch" code -26 when broadcasting a transaction
I'm trying to broadcast a transaction to my RPC provider:
curl https://my-quicknode-rpc-provider/ \
-X POST \
-H "Content-Type: application/json" \
--data '{"method": &...
2
votes
1
answer
73
views
Getting Error while trying to decode psbt base64 to json using bitcoinjs/bip174 library
const base64PSBT = 'base_64';
// Decode the base64 PSBT to a Buffer
const psbtBuffer = Buffer.from(base64PSBT, 'base64');
// Parse the PSBT
const psbt = bip174.Psbt.fromBuffer(psbtBuffer);
// ...
0
votes
0
answers
90
views
Redeem script for input #0 doesn't match the scriptPubKey in the prevout
I'm trying to create a new bitcoin transaction using bitcoinjs-lib. Here is my transaction.
{
"weight" : 661,
"txid" : "...
- 23
2
votes
1
answer
336
views
How to build a transaction using bitcoinjs-lib
I'm trying to build a transaction using bitcoinjs-lib.
Here is my last transaction.
https://blockstream.info/api/tx/91feea5f5c7b67b3e56c0f5d23d6da3065855c23b4cc7dded8efd8ff8065500f
{
"weight&...
- 23
0
votes
0
answers
73
views
Why is this Ordinals transaction I sent wrong, can anyone help me?
let content_type = "text/plain;charset=utf-8";
let body = Buffer.from("000");
const inscription = {
body,
content_type,
};
const network = bitcoin....
- 9
1
vote
1
answer
234
views
Webpack issue with tiny-secp256k1 and ECPair
I am developing a browser extension using Webpack v5 and incorporating the bitcoinjs-lib and ecpair libraries to create a Bitcoin wallet. However, I am encountering an error when attempting to load ...
0
votes
0
answers
25
views
bitcoin.Psbt doesn't auto-display its method/properties in Visual Studio Code
When instantiating a new Psbt in my Visual Studio Code like below:
const psbt = new bitcoin.Psbt()
The variable psbt doesn't auto display any of its methods/properties after I add the . right after ...
- 105
1
vote
0
answers
79
views
Is there such a bip32 function?
I have this code:
const bip32 = utils.BIP32Factory(utils.ecc)
const mnemonic = utils.bip39.generateMnemonic(256);
const seed = utils.bip39.mnemonicToSeedSync(mnemonic);
const masterNode = bip32....
- 51
0
votes
1
answer
411
views
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'), { ...
0
votes
1
answer
184
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"
...
- 105
1
vote
1
answer
77
views
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: ...
- 277
1
vote
0
answers
29
views
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
votes
1
answer
1k
views
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
vote
0
answers
268
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 ...
- 11
0
votes
1
answer
680
views
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 ...
- 105
1
vote
2
answers
517
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 ...
0
votes
1
answer
384
views
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-...
- 105
0
votes
1
answer
129
views
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/...
- 105
0
votes
0
answers
889
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: ...
- 1
0
votes
0
answers
134
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
0
votes
1
answer
705
views
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
1
vote
0
answers
156
views
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 ...
1
vote
0
answers
115
views
How to use Digital Signature to Sign Unsigned Transaction?
so I was trying to sign my unsigned transaction:
...
- 113
1
vote
2
answers
412
views
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
335
views
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
0
votes
1
answer
544
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
vote
1
answer
836
views
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 ...
- 13
0
votes
1
answer
105
views
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 ...
- 1
3
votes
3
answers
2k
views
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....
- 167
0
votes
2
answers
227
views
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
1k
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
0
votes
2
answers
159
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
0
votes
1
answer
881
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 ...
- 1
0
votes
1
answer
378
views
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 ...
- 31
0
votes
0
answers
127
views
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 ...
- 119
2
votes
0
answers
335
views
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
0
votes
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=...
1
vote
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....
- 131
0
votes
1
answer
648
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 ...
- 1
0
votes
1
answer
2k
views
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:
...
- 353
0
votes
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.
...
- 353
2
votes
1
answer
3k
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
0
votes
1
answer
1k
views
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'
...
- 143
1
vote
1
answer
56
views
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?
- 23
1
vote
1
answer
576
views
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: ...
- 134
-2
votes
2
answers
340
views
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, ...
- 99