Libbitcoin Common

The common libbitcoin-system (formerly "libbitcoin") library is a dependency of all others with the exception of libbitcoin-consensus. It was the first library created and originally contained the core functionality of all of the others.

Example

 
#include <cstdint>
#include <iostream>
#include <string>
#include <bitcoin/bitcoin.hpp>

// Extract Satoshi's words.
int main()
{
    const auto block = bc::chain::block::genesis_mainnet();
    const auto& tx = block.transactions().front();
    const auto& input = tx.inputs().front();
    const auto script = input.script().to_data(false);
    std::string message(script.begin() + sizeof(uint64_t), script.end());
    std::cout << message << std::endl;
    return 0;
}
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  • Key formats (raw, BIP32, WIF, compressed/uncompressed, minikey)
  • Encoding functions (base 2/10/16/58/64/85)
  • Hash functions (ripemd160, sha1, sha256, sha512, hmac_sha256, hmac_sha512, pkcs5_pbkdf2_hmac_sha512)
  • URL parsing (BIP21 and BIP72)
  • Mnemonic functions (BIP39)
  • All published mnemonic dictionaries
  • Curve math, deterministic ECDSA, verification and encryption functions
  • Address functions (P2PKH and P2SH/BIP16)
  • Stealth addresses functions[1] for wallets and blockchain search
  • Wire and text serializable type library (P2P protocol)
  • Bitcoin script engine (see libbitcoin-consensus for more information)
  • Asynchronous P2P networking stack built on ASIO (moved to libbitcoin-network in version 3)

General Purpose Features

Build and Quality Control
  • Autotools builds for GCC/Clang
  • All build artifacts generated by libbitcoin-build
  • Continuous integration builds via Travis-CI
  • Automated test coverage reporting via Coverall
  • Visual Studio 2013 project and solution files
  • Support for 32/64 bit processors and endianness differences
  • Uses C++11 advancements and restricts use of pointers and exceptions

Dependencies (Version2)

Dependencies (Version3)

See Also

References
  1. DarkWallet Stealth Design Document
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