Unanswered Questions
73 questions with no answers
4
votes
0
answers
675
views
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 ...
3
votes
0
answers
466
views
Electrum Seed Purpose for MultiSig Wallet
I'm curious as to what exactly is protected by the seed that Electrum generates for a multisig wallet. My knowledge of the protocol implementation is rather basic, so please correct me where I'm wrong ...
3
votes
0
answers
742
views
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 ...
3
votes
0
answers
158
views
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 ...
3
votes
0
answers
257
views
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 ...
2
votes
0
answers
39
views
Ypub test vectors missing for mainnet
Following extended key derivation scheme in BIP49 is there a publicly available test vector repository for mainnet? The test vectors in https://github.com/bitcoin/bips/blob/master/bip-0049.mediawiki#...
2
votes
0
answers
186
views
(P2WSH-nestedin-P2SH) Problem in solving question 1+5=6
this is my first question at this platform.
this matter has scratched my head badly, please pay patient to read my question.
i am trying to move traditional p2sh tx into p2wsh-nestedin-p2sh tx and ...
2
votes
0
answers
176
views
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 ...
2
votes
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 ...
2
votes
0
answers
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....
2
votes
0
answers
90
views
Why is my node being flooded with bitcoinj clients from 138.197.0.0/16?
I'm not the only one to have noticed this (discussions on reddit here and here): out of 70 or 80 incoming connections on my bitcoin core full node, about 50 are from just one single network (138.197.0....
2
votes
0
answers
151
views
Specific fee in transaction
Is there any possible way to send transaction with specific fee (not fee per kb) from wallet in bitcoinj? Where should I look to find a solution :)? My code:
Address address = Address.fromBase58(...
2
votes
0
answers
125
views
Java bitcoinj: semantics of 'decompress' on encrypted key
Calling the decompress method on an encrypted ECKey object yields an ECKey object which has no private key (only public). I personally would have expected to get the same encrypted key in uncompressed ...
2
votes
0
answers
198
views
create a p2sh_script with btcruby gem
I try to create a custom p2sh script using the btcruby gem.
Here is the code I used to generate my script:
def self.create_script
myscript=BTC::Script.new
myscript<<BTC::Script::OP_IF
...
2
votes
0
answers
187
views
Java bitcoinj: Failure of getPrivateKeyEncoded or getKey?
I have the feeling something is not right with the method getPrivateKeyEncoded (which returns a DumpedPrivateKey object) of the ECKey class. If I attempt to recover the orginal key from the ...