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Questions tagged [bitcore]

For questions about BitPay's BitCore, an alternative full node

-1
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0answers
15 views

Developing a simple nodejs application for Bitcoin Cash & Bitcoin SV

I want to develop 2 simple nodejs applications. One for Bitcoin cash and one for Bitcoin sv. I want to connect this node app with the testnet & implement 3 simple functions in these applications: ...
0
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1answer
26 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 = ...
1
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1answer
62 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 ...
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0answers
26 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,...
13
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1answer
1k 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 ...
6
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2answers
236 views

What would be the fastest way to query for a certain txid to get its inputs?

I am working in an artistic/visualization project that analyses Bitcoin transactions. I have a Bitcore instance with insight API and from a Python script I query through the REST API so the queries ...
0
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3answers
98 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 ...
1
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2answers
328 views

Permission problem installing bitcore

I have tried to install bitcore.io on a clean and upgraded Ubuntu 16.04.3 (64 bits) but always get permission errors. I have already created a user and password for bitcore: sudo useradd -r -m ...
0
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1answer
82 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 ...
5
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1answer
970 views

Cannot create a transaction

I am trying to create a transaction on the bitcoin testnet, using bitcore: Error Message : SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data Here is my code: var ...
0
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1answer
344 views

ZCash: whats the relationship between t-address, public keys and address as defined in bitcore-lib-zcash Address

I have this sample t-address: t1csbsjLRGYCsRMjM1NdUjeFQkysQG2YefY When I put this address through the following code, I get a return value of false. var bitcore = require('zcash-bitcore-lib'); var ...
2
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3answers
861 views

Litecoin litecore-lib receive UTXO and current balance

I have coded NodeJS script for bitcoin for send all balance from by address to some other one. Now I want to do this for the litecoin. For bitcoin I have used bitcore-lib and bitcore-explorers libs to ...
1
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0answers
35 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 ...
1
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1answer
88 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 ...
2
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3answers
798 views

Bitcore Testnet API

Does anyone know if Bitcore offer a testnet API to play around with? I'm implementing an Escrow system using the API and Node.js and don't particularly want to use real Bitcoins. Thanks.
0
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1answer
417 views

Invalid Argument Error when broadcasting a transaction with Bitcore

When I try to broadcast a transaction, I'm having this error: /home/aziz/node_modules/bitcore-explorers/node_modules/bitcore-lib/lib/util/preconditions.js:14 throw new errors.InvalidArgument(...
0
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1answer
375 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 ...
0
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1answer
130 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 ...
3
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2answers
2k views

Trezor issue - “The bitcore server does not reply. Cannot connect to wallet”

I bought a Trezor, installed everything, and sent some BTC to my wallet. Everything was working correctly. Then today, after not using the Trezor for a few days, I tried to connect and am unable to. ...
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0answers
13 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 ...
1
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1answer
251 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
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0answers
151 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 ...
0
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1answer
26 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
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1answer
243 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
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2answers
88 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 ...
2
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1answer
623 views

How to decode raw transaction which has 00 in '#TxIn' slot?

These are two raw transactions I got from Testnet, using bitcoind -testnet. ...
0
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3answers
286 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 ...
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0answers
53 views

Does Bitcore API supports Litecoin and Bitcoin cash?

Does Bitcore API supports Litecoin and Bitcoin cash? If so, kindly suggest me where to find the documentation for the same
0
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0answers
20 views

Wallet creation using Bitcore API

Is Bitcore's HDPrivateKey same as creating new wallets? Please refer the API document for details.
0
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1answer
101 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 ...
0
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1answer
32 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 ...
0
votes
1answer
300 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 ...
2
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2answers
2k views

How to Get UTXO using bitcore-lib?

I am using this library to make a wallet service that runs on a web browser. I use the library and browserify it so its compatible with the rest of my jquery. Now this tells me how to make and sign a ...
1
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1answer
124 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 ...
1
vote
1answer
301 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.
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2answers
193 views

Signing transactions with un/compressed key

Good day. I've created 2 addresses from the same private key. One address is of course compressed, while the other isn't. compressed_public_key = "...
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0answers
55 views

Bitcoincashjs generates dust output with 0 amount

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:...
1
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1answer
80 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?
1
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1answer
140 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 ...
0
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0answers
76 views

bitpay/bitcore v8.0.0 sync time

New version of bitcore https://github.com/bitpay/bitcore/tree/v8.0.0 How much time does the synchronization process take on Bitcoin mainnet for bitpay/bitcore v8.0.0?
5
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2answers
787 views

Connect already running bitcoind with bitcore for bitcoin explorer

I want to create a bitcoin explorer using bitcoind. I am using bitcore and insight API for this purpose. I am already running bitcoind in my local system . I want to connect this running bitcoind ...
0
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2answers
28 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
0
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0answers
88 views

Using bitcored shows 0 balance

I am using bitcoin-node-api module of nodejs for that I am running bitcored and start my server which runs fine. I have transferred money to address which generated by using http://localhost:1111/...
0
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1answer
343 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 ...
0
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1answer
112 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? ...
0
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1answer
221 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 ...
0
votes
1answer
408 views

Copay wallet problem: “Could not update Wallet: Network connection error”

Apparently BitPay's servers must be down because I can browse the internet but my copay wallet is stuck in this error: Is there any way to know if it's really an issue on their end and if they're ...
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1answer
322 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 ...
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0answers
47 views

Fetch list of transaction where i have received the bitcoin?

How to find a list of transactions happening with my address especially that transaction which will send bitcoin to my address. I found out one API which will give all the transaction happened with ...
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0answers
104 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. ...