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Questions tagged [bitcore]

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

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18 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, +...
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0answers
12 views

Cannot push rawTX consecutively?

When I use the blockcypher's api or the bitcore's api to push rawtx, I can only send successful transaction the first time. If I send the next transaction immediately, I will receive an empty return ...
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2answers
92 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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1answer
127 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 = ...
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0answers
46 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,...
14
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1answer
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 ...
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0answers
62 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 ...
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1answer
201 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 ...
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1answer
195 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
15 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 ...
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0answers
299 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 ...
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1answer
30 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, ...
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2answers
132 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 ...
1
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1answer
560 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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1answer
315 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 ...
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1answer
191 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 ...
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1answer
38 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 ...
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1answer
123 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 ...
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3answers
379 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 ...
1
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1answer
492 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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1answer
159 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 ...
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0answers
65 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:...
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1answer
232 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 ...
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2answers
37 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
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1answer
99 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?
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3answers
139 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 ...
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1answer
172 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 ...
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1answer
381 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 ...
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1answer
502 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 ...
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1answer
122 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? ...
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1answer
424 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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1answer
383 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 ...
0
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1answer
271 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 ...
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0answers
129 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. ...
0
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1answer
179 views

Which full node implementation(s) supports SegWit

I just finished setting up a full node using bitcore.io's guide here. I need my node to support SegWit though and I am not entirely sure whether what I have set up offers SegWit support. Especially ...
0
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1answer
216 views

Bitcore Insight API: I am not able to create and broadcast transaction

I have tried to create transaction and broadcast transaction but I am not able to do this stuff. Let me share with you code. var transaction = new bitcore.Transaction() .from({"address":"...
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2answers
405 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 ...
1
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1answer
558 views

Insight API: txs json shows only 10 tx?

I have an Insight API Server running, it's fully synced and working. I would like to get a json to receive every tx within a block. On https://github.com/bitpay/insight-api it says I have to use: ...
3
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1answer
424 views

Insight-api: Websocket “tx” event - which variables?

the Insight API has a websocket and publishes TX events as described here: https://github.com/bitpay/insight-api (see bottom of this page) The documentation says the names are: tx: new transaction ...
2
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1answer
688 views

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

These are two raw transactions I got from Testnet, using bitcoind -testnet. ...
4
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3answers
564 views

Synchronize mempool between 3 nodes

Three bitcore nodes (version of bitcoind is quite old - 0.12.1) are deployed to the servers on different cloud platforms. All instances have the same bitcoin.conf files (except of rpcallowip, rpcuser ...
5
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2answers
916 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 ...
2
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0answers
206 views

How to change checking processes - bitcore-node

We are trying to set up bitcore-node to work with other cryptocurrency core. Lets say that everything in core is pretty much the same like in bitcoin core so everything should work. After resolving ...
0
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1answer
573 views

Can I run Trezor Wallet against my own local node on OSX?

I want to point Trezor Wallet at my own local node. I'm already running Bitcoin Core, but Trezor Wallet requires Bitcore. What I have tried: 1. Installing the latest bitcore version according to the ...
2
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3answers
1k 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 ...
2
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1answer
259 views

How much transaction fees are taken by bitcore for API use?

If I am using the API of bitcore.io and create transactions, how much transaction fees are taken by Bitcore? I couldn't find any description in their documentation.
0
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1answer
51 views

possible to generate privatekey based on private key using bitcore.io?

Is is possible to generate the private key based on private key, means suppose if i am having one set as bellow : privatekey : '02XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXacdefd' publickey : '...
2
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0answers
225 views

SegWit with BitCore-Lib

How to create a SegWit address and transaction using bitcore-lib?
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. ...
0
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1answer
389 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 ...