Questions tagged [libbitcoin]
21 questions
3
votes
1 answer
How to update an older C++ code from Antonopoulos' book to work with current libraries?
I am trying to compile a code in C++ from the Book "Mastering Bitcoin" by Antonopoulos (page 69).
I am new to all of this, including C++, python, etc. I see it as a way of doing something interesting and alongside it learning a bit about different…
bomben
- 498
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2
votes
1 answer
How to understand wallets?
I'm trying to generate a mnemonic seed, and everything that goes with that. I'm using c++ / libbitcoin, using the following code - https://github.com/libbitcoin/libbitcoin-system/wiki/Examples-from-Addresses-and-HD-Wallets
When I compile & run the…
btcq4u
- 21
- 2
1
vote
1 answer
Why I'm getting different merkleroot?
I'm using merkle.cpp code (which uses the libbitcoin library for some helper functions) from Mastering Bitcoin book.
I was trying to re-create Merkleroot hash for Bitcoin block #100000 containing 4 transactions:
"tx": [
…
Remis
- 137
- 4
1
vote
0 answers
If I install libbitcoin-explorer will it be seperate from other libbitcoin repositories?
I am installing libbitcoin-explorer on a Raspberry Pi with the ./install.sh script and I wonder if this does anything to my existing installation of libbitcoin-system.
Which files will be installed?
Also, I wonder what happened to my bitcoind…
bomben
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- 11
1
vote
2 answers
Was libbitcoin a part of bitcoin core in the past?
I am trying to use c++ code from the book of Antonopoulos for some time now and I seem to lack an include named bitcoin/bitcoin.hpp.
To compile the code the g++ compiler gets a pkg-config input with libbitcoin. So I suspect I would have to install…
bomben
- 498
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- 11
1
vote
0 answers
When installing libbitcoin is there an option to deactivate the warnings?
When installing libbitcoin from here with $ ./install.sh --prefix=/home/me/myprefix --build-boost --disable-shared after most of the compilation is done there are checks of the sourcecode with warnings like this one:
In file included from…
bomben
- 498
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- 11
1
vote
1 answer
How to determine right address from address hash
I'm using private libbitcoin server and libbitcoin explorer.
When I use bx fetxh-transaction, it returns something like:
I'm trying to figure out, how to get right address from address_hash.
When I use bx base58check-encode for input address_hash…
Ramirez
- 13
- 2
1
vote
2 answers
error code: -26 error message: 16: mandatory-script-verify-flag-failed (Signature is found in scriptCode)
I am building a simple p2pkh transaction using libbitcoin. Trying to pass it through my regtest node. I am getting the following error message.
error code: -26
error message:
16: mandatory-script-verify-flag-failed (Signature is found in…
Rajarshi Maitra
- 23
- 4
1
vote
0 answers
Bitcoin Cash tx with bx
Is there a way to craft a transaction with bitcoin explorer (bx) on the Bitcoin Cash blockchain ?
bm842
- 111
- 1
1
vote
1 answer
Libbitcoin How to generate addresses on demand from xpub?
Well, I am really new to this. Just installed libbitcoin and I am reading trough the wiki and everything.
Could someone really quick hint me how to generate addresses whenever I want from xpub that was exported from Electrum wallet? And/or Ledger…
Dan
- 27
- 4
0
votes
0 answers
problem to compil code addr.cpp
Trying to compile with g++ -o addr addr.cpp -std=c++11 $(pkg-config --cflags --libs libbitcoin) is getting me this error:
/home/user/myprefix/lib/libsecp256k1.a(libsecp256k1_la-secp256k1.o) : Dans la fonction « secp256k1_num_mod_inverse »…
xubu1957
- 1
- 2
0
votes
2 answers
Problem to link to libsecp256k1 on ARM architecture
Trying to compile with g++ -o addr 69_addr2.cpp $(pkg-config --cflags --libs libbitcoin) is getting me this error:
/usr/bin/ld: /home/pi/libbitcoininstall/lib/libsecp256k1.a(libsecp256k1_la-secp256k1.o): in function…
bomben
- 498
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- 11
0
votes
2 answers
When installing libbitcoin there are checks of the code, why is this?
When installing libbitcoin from here with $ ./install.sh --prefix=/home/me/myprefix --build-boost --disable-shared after most of the compilation is done there seem to be checks of the sourcecode with warnings like thise one:
In file included from…
bomben
- 498
- 2
- 4
- 11
0
votes
1 answer
How to convert a python example with getinfo to a usable function?
From Antonopoulos' book I try to use the example 3-3 on page 49 which uses a python skript called rpc_example.py to show the usage of the JSON-RPC API:
from bitcoin.rpc import RawProxy
p = RawProxy()
info = p.getinfo()
…
bomben
- 498
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- 11
0
votes
1 answer
Number of bitcoins mined algorithm
Is there a library to know the number of bitcoin mined at a given block number ?
franck
- 117
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