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Questions tagged [bitcore]

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

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1answer
49 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 : '...
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0answers
182 views

SegWit with BitCore-Lib

How to create a SegWit address and transaction using bitcore-lib?
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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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1answer
315 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 ...
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1answer
356 views

how to get realtime new transaction data in nodejs from bitcore

I want to run a private node, and use it to receive realtime unconfirmed transactions data into my nodejs script. How do I go about this?
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1answer
383 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(...
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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
255 views

Create a transaction from addresses A and B sending to address C

Related: Using bitcore to create a transaction with two addresses and change address I would like to create a transaction from addresses A and B sending to address C In the above question I get a ...
2
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1answer
509 views

Bitcore full node list with Wallet service enabled?

Is there any Bitcore full node list out there? I wanted that in order to use the Wallet Service while not being dependant on only one server. edit: quote on their website: You should now be able ...
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1answer
81 views

How to pass Livenet Txhash on a testnet Bitcore node

I want to pass Txhash of a livenet Bitcoin transaction to a service created in Testnet bitcoin node. I have been using Bitcore as my client for writing services in nodejs. This is my Bitcoin Client
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0answers
170 views

What type of database does Bitcore use?

What type of database does Bitcore use to store the blockchain data? I can't find information on it. Does it use leveldb?
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2answers
234 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 ...
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2answers
180 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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1answer
392 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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2answers
579 views

is there any API like blockchain.info and bitcore with tutorial?

is there? I'm finding it hard for starters to look it up without tutorials via the net, blockchain.info tutorial(on youtube and a single one) seems to be good but getting API key on blockchain.info is ...
3
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2answers
252 views

Bitcore-p2p: Peer.connect does not work

I'm trying to run a simple script to connect to a Bitcoin peer, like this one: var bitcore = require('bitcore-lib') var p2p = require('bitcore-p2p') var Peer = p2p.Peer; var peer = new Peer({host: '...
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2answers
44 views

What kind of messages are those used by Bitcore

When creating a transaction proposal with Bitcore, the options include a "message" field, both for the transaction and the single outputs. Are these messages those used by the Bitcoin network peers (...
5
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1answer
320 views

Performance and modularity of Bitcore vs Toshi

I have been reading about both, BitPay's Bitcore and Coinbase Toshi, and although they both claim to be highly scalable I could not find information in order to compare them in terms of performance ...
3
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1answer
142 views

Confused by various apis scriptPubKey

I am really confused and I am having trouble even asking this question in a coherent manner (as I am trying to describe things that other people have renamed multiple times in different instances) so ...
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2answers
83 views

'01' at the end of signatures

I am confused about the end marker at the end of signatures (in my case, individual sigs for a Tx that spends a P2SH) in pybitcointools: pybitcointools: ...
3
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1answer
203 views

bitcored fastsync

Is any way to sync bitcore daemon faster? Options: -h, --help output usage information -V, --version output the version number -c, --config <dir> Specify the directory with ...
0
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1answer
526 views

About changing the endpoint in insight API (in bitcore)

I am just trying to find docs on bitpay's bitcore node to change the endpoint of one of its services , which is insight-api https://github.com/bitpay/bitcore-node https://github.com/bitpay/insight-...
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1answer
832 views

Bitcore = “Error: More than one instance of bitcore-lib found”

These two lines (and nothing more), create an error: var exp = require('bitcore-explorers'); var btc = require('bitcore-lib'); Error: More than one instance of bitcore-lib found. Please make sure to ...
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1answer
118 views

partial signature (of P2SH) in Bitcore. howto?

Using pybitcointools, it is easy get partial signatures of a p2sh using the multisign function. Then, these can be communicated around to the several controllers of the p2sh address. Using bitcore, I ...
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0answers
158 views

What hardware and bandwidth requirements would a server need to fulfill to run Bitcore?

What's the cost of running Bitcore on AWS or DigitalOcean? I know I'd need about 128gb of hardrive space, but I'm not sure how much the typical bandwidth costs would be, and how much RAM or cores I ...
3
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1answer
1k views

Installing insight blockchain explorer - is bitcore mandatory?

What I have: bitcoind on Linux running. What I want: to have insight api+ui local website running. Earlier it was possible to add insight querying your bitcoind. Now it seems they made some bitcore ...
2
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1answer
412 views

Can Bitcore decode a raw tx?

I have a serialised transaction in raw hex format that I want decoded in JavaScript. Can Bitcore do that for me?
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0answers
49 views

How to sign messages deterministically with bitcore?

How do you sign messages deterministically with bitcore?
2
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1answer
252 views

Bitcoin HD wallet forwarder without depending on a 3rd party?

I want to setup a REST API service that does 3 simple things. Ask it to generate a new address (ideally from a BIP32 xpub key tree) Notify my server application when a deposit and confirmation X ...
1
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1answer
121 views

Blockchain.info returns “None Standard Script Output” when submitting a transaction?

I dont know what is wrong var insight = new Insight('https://insight.bitpay.com','livenet'); insight.getUnspentUtxos('1MkZVyKqNB5jpJDpfhp4TkDikFwdQM44he', function(err, utxos) { if (err) { ...
3
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1answer
669 views

Trying to understand how bitcore-node stores the data in the DB

I'm looking into the data and source of bitcore-node ( http://bitcore.io/ ), I'm a bit confused how all the information is stored in the database, probably it's in a similar way to others block ...
2
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1answer
1k views

Bitcore.io Create a raw tx hex (signed) to push to the blockchain

I am trying to push a raw transaction to blockr.io testnet using bitcore (current latest version 0.12.9) for node.js https://github.com/bitpay/bitcore I have constructed my transaction like so: var ...
3
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1answer
708 views

Using bitcore to create a transaction with two addresses and change address

I'm playing around with bitcore transactions and multi-sig transactions and was wondering how to send a transaction to more than one address, and keep the change. Currently when I try to send the ...
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1answer
1k views

Can anyone shed any light on this error? Bitcore Multisig - bad-txns-in-belowout

Code: var utxo = new bitcore.Transaction.UnspentOutput({ "txid" : "e0c6b736e86e8dccd63bbc27f35142b413bd991a410ef50f14cd56fa1a783a1e", "vout" : 0, "address" : "...
2
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3answers
752 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.
5
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1answer
938 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 ...
2
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1answer
530 views

Using Bitcore API for Escrow

Has anyone experience using the Bitcore API for Escrow purposes with node.js? I assume, you'd need to create a new a address, then somehow create a new transaction using the newly created address, ...
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0answers
82 views

Incoming block handler is never called when using bitcore

I want to get blocks on my node with bitcore. For example, I'm using peermanager.js and I get transactions: var handleTx = function(info) { var tx = info.message.tx.getStandardizedObject(); ...