arno/bitcoinbook
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Upgrade libbitcoin 1.0 code samples to libbitcoin 2.0

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This commit is contained in:
Amir Taaki 2015-01-18 21:19:57 +01:00
parent 665f0b69ba
commit f7804da5db
2 changed files with 17 additions and 7 deletions
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4
code/addr.cpp
View File

@ -3,8 +3,10 @@
int main()
{
// Private secret key.
bc::ec_secret secret = bc::decode_hash(
bc::ec_secret secret;
bool success = bc::decode_hash(secret,
"038109007313a5807b2eccc082c8c3fbb988a973cacf1a7df9ce725c31b14776");
assert(success);
// Get public key.
bc::ec_point public_key = bc::secret_to_public_key(secret);
std::cout << "Public key: " << bc::encode_hex(public_key) << std::endl;

20
code/merkle.cpp
View File

@ -1,6 +1,6 @@
#include <bitcoin/bitcoin.hpp>
bc::hash_digest create_merkle(bc::hash_digest_list& merkle)
bc::hash_digest create_merkle(bc::hash_list& merkle)
{
// Stop if hash list is empty.
if (merkle.empty())
@ -18,7 +18,7 @@ bc::hash_digest create_merkle(bc::hash_digest_list& merkle)
assert(merkle.size() % 2 == 0);
// New hash list.
bc::hash_digest_list new_merkle;
bc::hash_list new_merkle;
// Loop through hashes 2 at a time.
for (auto it = merkle.begin(); it != merkle.end(); it += 2)
{
@ -47,13 +47,21 @@ bc::hash_digest create_merkle(bc::hash_digest_list& merkle)
return merkle[0];
}
// Convert hex string to hash bytes.
bc::hash_digest get_hash(const std::string& value)
{
bc::hash_digest result;
bool success = bc::decode_hash(result, value);
return result;
}
int main()
{
// Replace these hashes with ones from a block to reproduce the same merkle root.
bc::hash_digest_list tx_hashes{{
bc::decode_hash("0000000000000000000000000000000000000000000000000000000000000000"),
bc::decode_hash("0000000000000000000000000000000000000000000000000000000000000011"),
bc::decode_hash("0000000000000000000000000000000000000000000000000000000000000022"),
bc::hash_list tx_hashes{{
get_hash("0000000000000000000000000000000000000000000000000000000000000000"),
get_hash("0000000000000000000000000000000000000000000000000000000000000011"),
get_hash("0000000000000000000000000000000000000000000000000000000000000022"),
}};
const bc::hash_digest merkle_root = create_merkle(tx_hashes);
std::cout << "Result: " << bc::encode_hex(merkle_root) << std::endl;