Questions tagged [bitcore]
For questions about BitPay's BitCore, an alternative full node
99
questions
0
votes
1
answer
60
views
How to encrypt messages with Pub/Priv keys
I'm wondering if it's possible to use the Bitcoin public and private keys (usually used for signing) for text encryption. This is an example in nodeJs:
import pkg from 'bitcore-lib'
const { ...
- 113
0
votes
2
answers
125
views
How do I find my missing bitcoin on Bitcore?
I recently tried to send bitcoin to my Bitcore wallet and it shows completed on Coinbase side, yet its not in my wallet. Anyone know what to do?
- 1
0
votes
1
answer
85
views
How to generate utxo information for a bitcoin transaction?
I'm using bitcore atm and am trying to set up transactions. but I can't find much information on the txId & the script. I know it says the txId is generated from the transaction, but how can you ...
- 181
0
votes
1
answer
121
views
Saving privateKey client side to local storage
I'm working on an SPV wallet using bitpay's bitcore lib package.
Am I able to save to local storage the privateKey object generated with 'new bitcore.PrivateKey()'
Or should I be converting it to WIF ...
- 101
0
votes
1
answer
375
views
Deriving payable address from mnemonic using BIP44
I'm trying to go from seed phrase/mnemonic to payable address using BIP 44. Here is a simplified version of the code I'm using. However, when I compare with https://iancoleman.io/bip39/ the private, ...
- 105
2
votes
1
answer
166
views
How to spend from a custom P2SH script using bitcore-lib
My Javascript/typescript project uses bitcore-lib. It uses Script.buildScriptHashOut to build custom P2SH outputs. How do I spend from this custom output?
- 10k
0
votes
0
answers
60
views
How to create a double spend to prioritize a new transaction over a previous unconfirmed transaction?
I'd like to generate a double spend transaction and increase the gas fees over the previous, unconfirmed transaction that has been stuck for a week. I know there's other answers regarding double spend ...
1
vote
1
answer
218
views
Exodus exported private key
I'm trying to understand why I'm having a hard time at importing exodus private keys in other wallets like jaxx o scatter.
I can't understand why I don't get the public address from the private key ...
0
votes
0
answers
102
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
50
views
Old receiving address
I sent my Bitcoin to an old address of mine but can’t figure out how to receive it I’ve the address is not open in my receiving tab but is under file receiving addresses
1
vote
2
answers
340
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
3
votes
1
answer
184
views
Get balance for an array of addresses with bitcoin core
I am searching for a command to get balance for imported addresses in bitcoin (not my wallet addresses) and I don't wanna do this with blockchain explorer API's. Is it possible to do this through ...
- 53
0
votes
0
answers
145
views
Bitcore install doesn't work
I have tried to install Bitcore on Ubuntu.
I have already installed node and npm.
bitcoin@node-1:/$ npm -v
6.14.4
bitcoin@node-1:/$ node -v
v12.16.3
But when I try to install bitcor using this ...
0
votes
1
answer
66
views
how to sign a multiple output transaction
currently i m using below code,how to add multiple address to address.
let transaction = new bitcore.Transaction()
transaction
.from(txoSet)
.to( ...
- 15
1
vote
1
answer
53
views
How does bitcore-node get its data?
I'm trying to understand how does bitcore-node, the javascript implementation of Bitcoin protocol, get its data? Can it connect to Bitcoin Core, the original C++ implementation of the Bitcoin protocol,...
- 51
0
votes
1
answer
190
views
How does bitcore handle transactions in orphan block situation?
I know orphan blocks can occur naturally when two miners produce blocks at similar times.
in bitcore-node, How does this handled?
for example, when orphan block occur in node, does bitcore change ...
- 1
0
votes
0
answers
207
views
How to watch and use addresses generated from xpub
How to watch the addresses generated using xpub for incoming transactions? and Create transactions to send bitcoin to another address.
var bitcore = require('bitcore-lib');
var Address = bitcore....
0
votes
0
answers
168
views
broadcasting bitcoin transaction issue using bitcore-explorers
I have been trying to do a transaction using bitcore-lib. I have successfully created transaction object.
let bitcore_transaction = new bitcore.Transaction()
.from(utxos[0])
.to(to, +...
- 101
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=...
0
votes
1
answer
837
views
How to properly use the rpc command `listunspent` with `bitcore-lib` to create a transaction and get the transaction hash?
I am trying to use the rpc command listunspent to get all the UTXOs relevant to an address, and then I am trying to pass it to a transaction, using bitcore-lib.
Below is my code:
const Client = ...
- 123
0
votes
0
answers
92
views
Installation problem with Bitcore.io on Mac
I'm normally not too brain-dead about this stuff, but I've been unable to force this one through. I'm trying to install Bitcore (per their instructions here) but and have set nvm to the LTS version 4,...
15
votes
1
answer
2k
views
What is the origin of insecure 64-bit nonces in signatures in the Bitcoin chain?
In Biased Nonce Sense: Lattice Attacks against Weak ECDSA Signatures in Cryptocurrencies Joachim Breitner and Nadia Heninger use a lattice based algorithm to recover private keys from signatures in ...
- 7,596
1
vote
0
answers
86
views
How can I set the rpc user credentials in Insight to connect to a custom node?
Bitpay has done brilliant work in creating the bitcore libraries pack.
I am stuck trying to find the file in which we can add the rpc user name and password for connecting to a custom node inside the ...
- 355
2
votes
1
answer
417
views
How does BitCore work?
There are different sets of libraries in https://github.com/bitpay/bitcore
Node - A full node with extended capabilities using Bitcoin Core (what is the role of this node ? As i can see this code in ...
- 355
1
vote
1
answer
275
views
Bitcore vs bitcoin
Currently bitpay has provided the complete code for the webwallet+blockchain explorer + bitcore running
can we use same thing for the bitcoin blockchain ? or the system that bitpay has developed will ...
- 355
1
vote
0
answers
18
views
how do i change my bitcoin cleint application?
I recently downloaded the bitcoin (--testnet) blockchain data using Bitcore(I thought it was the Orginal client) for some development purpose. but now, I like to move to bitcoin core client. Should I ...
- 75
2
votes
0
answers
730
views
Unable to get balance with bitcore lib
Using latest version of bitcore lib , want to check balance for making tx but once I include
var explorers =require('bitcore-explorers');
after
var bitcore =require('bitcore-lib');
Error: More ...
- 21
0
votes
1
answer
61
views
Extracting Bitcoin historical ticker data by setting up Bitcoin Node?
How do I extract the ticker data (historical values such as day price, day open, day close etc) by setting up a Bitcoin Node?
Bitcoin Node is setup using Bitcore.io
All blocks are syncing right now, ...
0
votes
2
answers
275
views
Does Electrum use Bitcore Apis as it's backend?
Does Electrum use Bitcore Apis as it's backend or not?
If not, then what is the purpose of developing Electrum when Bitcore Apis provides all the features Electrum has (like HD wallets and master ...
- 241
1
vote
1
answer
1k
views
bitcoin address from xpub key
I want to create bitcoin address from extended public key, without exposing private key but did not get any success till now. Do someone know how to do it? I am using bitcore-lib package
- 121
0
votes
1
answer
481
views
How to Connect already running bitcoind in AWS to Insight API in different AWS Server
Need to create a bitcoin explorer using bitcoind. I am using bitcore and insight API for this purpose.
Currently running bitcoind in AWS Server with all port open. Need to connect this running ...
0
votes
1
answer
551
views
How Master seed is generated using Bitcore API?
Can someone please explain how to get Master Seed when a new HD keys is created using Bitcore APIs?
My purpose is to implement wallet service in my application using Bitcore APIs.
Refer this link ...
- 241
0
votes
1
answer
57
views
Prioritizing BTC transactions using Bitcore APIs
I’m planning to give a feature in my application where a user can select type of priority (Fast, Average or Slow) for their transactions.
How can I get fee required for each type? Does Bitcore API ...
- 241
0
votes
1
answer
257
views
Bitcore-wallet-client "Server response could not be verified"
I'm getting an error trying to sign a transaction with bitcore-wallet-client.
I create the transaction, publish it and when I try to sign it, I'm getting the error: "SERVER_COMPROMISED - Server ...
- 21
0
votes
3
answers
648
views
Ledger Nono S (ledgerjs) signP2SHTransaction is Producing Invalid Signature
I was receiving Errors while using signatures produced by signP2SHTransaction function of @ledgerhq/hw-app-btc. So I created a script using bitcore-lib to cross check it against the signature produced ...
2
votes
1
answer
1k
views
How to create a P2SH address with bitcore-lib
I was looking to create custom P2SH addresses from redeemScripts ( they start with 3...) using bictore-lib.
If anyone can direct me to the right code in their module, I can't find it.
- 341
1
vote
1
answer
246
views
Can you explain this JS code?
Can someone explain this JS code to me please?
Maybe line by line? I am trying to understand and learn from it. Is this code creating a raw transaction based on an existing redeemScript? Or is it ...
- 341
1
vote
0
answers
91
views
Bitcoincashjs generates dust output with 0 amount [closed]
I am using bitcoincashjs (Bitcore fork) library to make BCH transaction (actually it is an exchange with ChangeNow API). Source wallet has only one UTXO:
[
{
"address":"bitcoincash:...
- 111
1
vote
1
answer
560
views
Check number of active peers a node has
I saw here that you can run bitcoin-cli getinfo to see the total number of connections that a node you're running is connected to. Is there a way to get this information remotely? For example, say I ...
- 113
0
votes
2
answers
91
views
How long does a payment take to appear in my wallet, If not how do I reacieave it?
Yes how long does it take for a payment to appear in my wallet, on Bitcore, if it doesnt how do I reacieve it? Because it's been 15 hours but still havent seen it
1
vote
1
answer
136
views
Transaction fee in Bitcored
Does the transaction fee of bitcored or bitcoind change everyday?
Am I required to set transaction fee of bitcoind by using settxfee method?
- 23
0
votes
3
answers
216
views
how to get confirmations about many transaction at once using bitcore node or bitcoind rpc?
how to get the confirmations of many transaction at once using bitcore node or bitcoind rpc?
I think it's possible to get the confirmation of a single transaction using getrawtransaction of bitcoind ...
0
votes
1
answer
228
views
Bitcoin cash with bicore and addressindex
Bitcore runs a version of bitcoind where theres address index and we can search any addresses I have implemented the bitcoin insight block explorer and its working perfectly
I need to implement ...
- 181
0
votes
1
answer
408
views
Setup bitcoin cash with bitcored
I saw that https://blockdozer.com has insight-api for bitcoin cash blockchain. But i cant find doc how to setup bitcoin cash with existing bitcore node. I have already synchronized full bitcored node ...
- 135
0
votes
1
answer
614
views
Bitcoin Insight API - How to create new address?
I need to create new public address with private key. but there is no way to create new address using insight rest api. If you guys are aware about insight api then please share with me code snippet ...
- 163
0
votes
1
answer
137
views
Can I use Copay like Bitgo?
I need to use multisig wallet on my online service. The most suitable service for me is Bitgo, but it is very expensive. Commission 0.25% on the withdrawal.
Can I use the Copay wallet for such tasks? ...
- 41
-2
votes
1
answer
797
views
How can I set the fee rate for raw transactions on Bitcore?
I'm building a raw transaction. How do I set the relay fee in the Bitcore console wallet?
I'm trying to send a transaction with 2 signatures. I created the transaction and signed the transaction with ...
- 71
0
votes
1
answer
485
views
DashCoin insight setup in ubuntu system
I have tried to installed dash insight ui & api in my local machine (ubuntu OS) and it is completed all the steps but I m facing issue while start services in frontground.
Let me share with you ...
- 163
0
votes
1
answer
392
views
Zcash configure in ubuntu
I have tried to installed zcash insight ui & api in my local machine (ubuntu OS) and it is completed all the steps but I m facing issue while start services in frontground.
Let me share with you ...
- 163
1
vote
0
answers
171
views
Bitcoin network information pubkeyhash privatekey
I am trying to set up a https://github.com/bitpay/bitcore Insight node but for a forked coin of Bitcoin. To complete the task I need to modify the following information but with the forks version.
...
- 317