Unanswered Questions
107 questions with no upvoted or accepted answers
4
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1
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Building Signed Bitcoin Transaction in Java
I have been attempting to build my own raw transaction generator in Java which I can then broadcast on the testnet network. The problem is when I attempt to broadcast the transaction it says there is ...
CommunityBot
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4
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0
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675
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Bitcoinj: How to fix error "You should use Context.propagate() or a ContextPropagatingThreadFactory"
I'm using bitcoinj from a Scala application... and when I start it, I always get the following errors:
[error] o.b.c.Context - Performing thread fixup: you are accessing bitcoinj via a thread that ...
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3
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0
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How to sign bitcoin raw transactions with Python offline
I have a raw bitcoin transaction created using createrawtransaction
unsigned_tx = "...
CommunityBot
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3
votes
0
answers
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Can I quickly check the cofactor of secp256k1 is 1
I was wondering if there was a quick way to check that the group underlying the elliptic curve secp256k1 was indeed cyclic with the usual point G a generator. I am given the prime number underlying ...
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3
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0
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158
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Does a bitcoinj SPV node forward transactions for itself?
The bitcoinj library offers a rather convenient WalletAppKit class, which I'd like to accept payments from customers. In order to facilitate the payments I'd offer the customers to send the ...
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3
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257
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Bitcoin-qt database for BitcoinJ downloadBlockChain()
I am using bitcoinJ to develop a bitcoin based payment module for my project. I have the complete block chain downloaded/in sync with the network on the bitcoin-qt client.
Is there a way I can use ...
CommunityBot
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3
votes
2
answers
815
views
How to sign a transaction using BitcoinJ
I am having problem signing the transaction using BitcoinJ library without the Wallet instance, I only have the Transaction class instance and the ECKey in order to sign the transaction.
Is there a ...
CommunityBot
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2
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0
answers
46
views
How can I create a taproot address that time-locks the bitcoin sent to it until a specified blockheight?
I'd like to create a taproot address that timelocks any funds sent to it until a specified blockheight in the future.
How can I do this using Bitcoin Core's QT Console?
I am also curious to know about ...
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2
votes
0
answers
27
views
No inv messages from inbound nodes
I'm writing a tx relay-only node that can accept inbound connections and make outbound ones. Just for research.
What I'm seeing that on inbound nodes the initial handshake completes and the connection ...
- 41
2
votes
1
answer
192
views
Create and spend P2WSH that locks coins with OP_CHECKLOCKTIMEVERIFY
I'm attempting to create a P2SWH address with a script that locks the coins for some time. And then I want to spend those coins from that address.
I've read a lot, some of the most relevant:
BIP173
...
CommunityBot
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2
votes
0
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176
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spend founds from p2wsh address,non-mandatory-script-verify-flag (Signature must be zero for failed CHECK(MULTI)SIG operation) (code 64)
i want spent coin from p2wsh address on btc testnet3 network, i use bitcoinj 0.15.2 build transaction and sign it, use 2/3 multiSig
when i send raw transaction by bitcoin core 0.17.0 command line by ...
CommunityBot
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2
votes
0
answers
325
views
Multisig signrawtransaction fails
I have 3 private keys (a,b,c) which belong to an address (2 of 3) from which I want to spend funds using RPC commands.
I´ve started with generating the redeemScript using createmultisig() and the pub ...
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2
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0
answers
340
views
Broadcasting signed transaction from Watching wallet using bitcoinj
I am working with watching wallet and Offline wallet using bitcoinj,
I created Watching Wallet using tpub key of Offline Wallet
I am receiving payment on watching wallet Fine,
now I want to ...
- 548
2
votes
2
answers
632
views
Transaction history with bitcoinj
I am new to bitcoinj. I want to print out the list of transactions like as follow for a wallet:
1- Sent 1 BTC to Adress1 on 'A' Time
2- Received 5 BTC from Adress2 on 'B' time
3- Sent 2 BTC to ...
CommunityBot
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2
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0
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69
views
Broadcast a transaction, issue with Context missing from thread created by BitcoinJ
In this code i receive an already signed transaction in the form of a byte array and i would like to broadcast it to the Bitcoin network.
override fun onHandleIntent(intent: Intent?) {
org....
