mirror of
https://github.com/bitcoinbook/bitcoinbook
synced 2024-11-22 16:18:11 +00:00
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
#include <bitcoin/bitcoin.hpp>
|
|
|
|
int main()
|
|
{
|
|
// Private secret key string as base16
|
|
bc::ec_secret decoded;
|
|
bc::decode_base16(decoded,
|
|
"038109007313a5807b2eccc082c8c3fbb988a973cacf1a7df9ce725c31b14776");
|
|
|
|
bc::wallet::ec_private secret(
|
|
decoded, bc::wallet::ec_private::mainnet_p2kh);
|
|
|
|
// Get public key.
|
|
bc::wallet::ec_public public_key(secret);
|
|
std::cout << "Public key: " << public_key.encoded() << std::endl;
|
|
|
|
// Create Bitcoin address.
|
|
// Normally you can use:
|
|
// bc::wallet::payment_address payaddr =
|
|
// public_key.to_payment_address(
|
|
// bc::wallet::ec_public::mainnet_p2kh);
|
|
// const std::string address = payaddr.encoded();
|
|
|
|
// Compute hash of public key for P2PKH address.
|
|
bc::data_chunk public_key_data;
|
|
public_key.to_data(public_key_data);
|
|
const auto hash = bc::bitcoin_short_hash(public_key_data);
|
|
|
|
bc::data_chunk unencoded_address;
|
|
// Reserve 25 bytes
|
|
// [ version:1 ]
|
|
// [ hash:20 ]
|
|
// [ checksum:4 ]
|
|
unencoded_address.reserve(25);
|
|
// Version byte, 0 is normal BTC address (P2PKH).
|
|
unencoded_address.push_back(0);
|
|
// Hash data
|
|
bc::extend_data(unencoded_address, hash);
|
|
// Checksum is computed by hashing data, and adding 4 bytes from hash.
|
|
bc::append_checksum(unencoded_address);
|
|
// Finally we must encode the result in Bitcoin's base58 encoding.
|
|
assert(unencoded_address.size() == 25);
|
|
const std::string address = bc::encode_base58(unencoded_address);
|
|
|
|
std::cout << "Address: " << address << std::endl;
|
|
return 0;
|
|
}
|
|
|