void checkpoint_sync::encode(data_buffer & buffer)
{
buffer.write_var_int(m_message.size());
buffer.write_bytes(
reinterpret_cast<char *>(&m_message[0]), m_message.size()
);
buffer.write_var_int(m_signature.size());
buffer.write_bytes(
reinterpret_cast<char *>(&m_signature[0]), m_signature.size()
);
}
void zerotime_lock::encode(data_buffer & buffer)
{
/**
* Encode the version.
*/
buffer.write_uint32(m_version);
/**
* Encode the transaction.
*/
m_transaction.encode(buffer);
/**
* Encode the transaction hash.
*/
buffer.write_bytes(
reinterpret_cast<const char *> (m_hash_tx.digest()),
sha256::digest_length
);
/**
* Encode the expiration.
*/
buffer.write_uint64(m_expiration);
/**
* No signature is required because:
* 1. The receiver may want to lock a non-zerotime transaction.
* 2. It causes no harm to let other's lock the transaction.
* 3. It conserves bandwidth and processing power.
*/
}
void key_wallet::encode(data_buffer & buffer)
{
/**
* Write the version.
*/
buffer.write_uint32(constants::version_client);
/**
* Write the private key length.
*/
buffer.write_var_int(m_key_private.size());
/**
* Write the private key.
*/
if (m_key_private.size() > 0)
{
buffer.write_bytes(
reinterpret_cast<const char *>(&m_key_private[0]),
m_key_private.size()
);
}
/**
* Write the time created.
*/
buffer.write_int64(m_time_created);
/**
* Write the time expires.
*/
buffer.write_int64(m_time_expires);
/**
* Write the comment length.
*/
buffer.write_var_int(m_comment.size());
/**
* Write the comment.
*/
if (m_comment.size() > 0)
{
buffer.write_bytes(m_comment.data(), m_comment.size());
}
}
void hd_configuration::encode(data_buffer & buffer) const
{
assert(m_id_key_master.digest().size() == ripemd160::digest_length);
buffer.write_uint32(m_version);
buffer.write_uint32(m_index);
buffer.write_bytes(
reinterpret_cast<const char *> (&m_id_key_master.digest()[0]),
ripemd160::digest_length
);
}
bool incentive_vote::sign(data_buffer & buffer)
{
auto ret = false;
/**
* Calculate the hash of the nonce hash.
*/
auto digest = hash::sha256d(
m_hash_nonce.digest(), sha256::digest_length
);
/**
* Hash the encoded message buffer.
*/
sha256 hash_value = sha256::from_digest(&digest[0]);
if (incentive::instance().sign(hash_value, m_signature) == true)
{
/**
* Write the signature length.
*/
buffer.write_var_int(m_signature.size());
/**
* Write the signature.
*/
buffer.write_bytes(
reinterpret_cast<char *>(&m_signature[0]),
m_signature.size()
);
log_debug(
"Incentive vote signed value (" <<
hash_value.to_string().substr(0, 8) << ")."
);
ret = true;
}
else
{
log_error("Incentive vote failed to sign value.");
}
return ret;
}
void incentive_answer::encode(data_buffer & buffer, const bool & is_copy )
{
/**
* Encode the version.
*/
buffer.write_uint32(m_version);
/**
* Encode the public key.
*/
m_public_key.encode(buffer);
/**
* Encode the transaction_in.
*/
m_transaction_in.encode(buffer);
/**
* If we are encoding a copy reuse the existing signature.
*/
if (is_copy == true)
{
/**
* Write the signature length.
*/
buffer.write_var_int(m_signature.size());
/**
* Write the signature.
*/
buffer.write_bytes(
reinterpret_cast<char *>(&m_signature[0]),
m_signature.size()
);
}
else
{
/**
* Sign the message.
*/
sign(buffer);
}
}
bool incentive_answer::sign(data_buffer & buffer)
{
auto ret = false;
/**
* Hash the encoded message buffer.
*/
sha256 hash_value = m_public_key.get_hash();
if (incentive::instance().sign(hash_value, m_signature) == true)
{
/**
* Write the signature length.
*/
buffer.write_var_int(m_signature.size());
/**
* Write the signature.
*/
buffer.write_bytes(
reinterpret_cast<char *>(&m_signature[0]),
m_signature.size()
);
log_debug(
"Incentive answer signed value (" <<
hash_value.to_string().substr(0, 8) << ")."
);
ret = true;
}
else
{
log_error("Incentive answer failed to sign value.");
}
return ret;
}
void transaction_out::encode(data_buffer & buffer) const
{
/**
* Write the value.
*/
buffer.write_int64(m_value);
/**
* Write the m_script_public_key size var_int.
*/
buffer.write_var_int(m_script_public_key.size());
if (m_script_public_key.size() > 0)
{
/**
* Write the m_script_public_key.
*/
buffer.write_bytes(
reinterpret_cast<const char *> (&m_script_public_key[0]),
m_script_public_key.size()
);
}
}
void merkle_tree_partial::encode(data_buffer & buffer)
{
buffer.write_uint32(m_total_transactions);
buffer.write_var_int(m_hashes.size());
for (auto & i : m_hashes)
{
buffer.write_sha256(i);
}
std::vector<std::uint8_t> bytes;
bytes.resize((m_flags.size() + 7) / 8);
for (auto i = 0; i < m_flags.size(); i++)
{
bytes[i / 8] |= m_flags[i] << (i % 8);
}
buffer.write_var_int(bytes.size());
buffer.write_bytes(
reinterpret_cast<const char *> (&bytes[0]), bytes.size()
);
}
void incentive_collaterals::encode(data_buffer & buffer)
{
/**
* Encode the version.
*/
buffer.write_uint32(m_version);
/**
* Write the number of collateral entries.
*/
buffer.write_var_int(m_collaterals.size());
/**
* Write the collateral entries.
*/
for (auto & i : m_collaterals)
{
/**
* Write the address.
*/
buffer.write_network_address(i.addr, false);
/**
* Write the size of the wallet address.
*/
buffer.write_var_int(i.wallet_address.size());
/**
* Write the wallet address.
*/
buffer.write_bytes(i.wallet_address.data(), i.wallet_address.size());
auto public_key = i.public_key;
/**
* Write the public key.
*/
public_key.encode(buffer);
/**
* Write the transaction_in.
*/
i.tx_in.encode(buffer);
/**
* Write the time.
*/
buffer.write_uint64(i.time);
/**
* Write the protocol version.
*/
buffer.write_uint32(i.protocol_version);
/**
* Write the protocol user agent.
*/
buffer.write_var_int(i.protocol_version_user_agent.size());
/**
* Write the protocol version user agent.
*/
buffer.write_bytes(
i.protocol_version_user_agent.data(),
i.protocol_version_user_agent.size()
);
/**
* Write the protocol version services.
*/
buffer.write_uint64(i.protocol_version_services);
/**
* Write the protocol version start height.
*/
buffer.write_int32(i.protocol_version_start_height);
}
}
void incentive_vote::encode(data_buffer & buffer, const bool & is_copy)
{
/**
* Write the version.
*/
buffer.write_uint32(m_version);
/**
* Write the block height.
*/
buffer.write_uint32(m_block_height);
/**
* Write the block hash
*/
buffer.write_sha256(m_hash_block);
/**
* Write the nonce hash.
*/
buffer.write_sha256(m_hash_nonce);
/**
* Write the address length.
*/
buffer.write_var_int(m_address.size());
/**
* Write the address.
*/
buffer.write_bytes(m_address.data(), m_address.size());
/**
* Encode the public key.
*/
m_public_key.encode(buffer);
/**
* If we are encoding a copy reuse the existing signature.
*/
if (is_copy == true)
{
/**
* Write the signature length.
*/
buffer.write_var_int(m_signature.size());
/**
* Write the signature.
*/
buffer.write_bytes(
reinterpret_cast<char *>(&m_signature[0]),
m_signature.size()
);
}
else
{
/**
* Sign the message.
*/
sign(buffer);
}
}
void transaction_wallet::encode(data_buffer & buffer)
{
auto is_spent = false;
m_values["fromaccount"] = m_from_account;
std::string str;
for (auto & i : m_spent)
{
str += (i ? '1' : '0');
if (i)
{
is_spent = true;
}
}
m_values["spent"] = str;
wallet::write_order_position(m_order_position, m_values);
if (m_time_smart)
{
m_values["timesmart"] = std::to_string(m_time_smart);
}
/**
* Encode the base class.
*/
transaction_merkle::encode(buffer);
buffer.write_var_int(m_previous_transactions.size());
for (auto & i : m_previous_transactions)
{
i.encode(buffer);
}
/**
* If we are an (SPV) client set the block height as a value.
*/
if (globals::instance().is_client_spv() == true)
{
auto block_height = spv_block_height();
m_values["spv_block_height"] = std::to_string(block_height);
}
buffer.write_var_int(m_values.size());
for (auto & i : m_values)
{
buffer.write_var_int(i.first.size());
buffer.write_bytes(i.first.data(), i.first.size());
buffer.write_var_int(i.second.size());
buffer.write_bytes(i.second.data(), i.second.size());
}
buffer.write_var_int(m_order_form.size());
for (auto & i : m_order_form)
{
buffer.write_var_int(i.first.size());
buffer.write_bytes(i.first.data(), i.first.size());
buffer.write_var_int(i.second.size());
buffer.write_bytes(i.second.data(), i.second.size());
}
buffer.write_uint32(m_time_received_is_tx_time);
buffer.write_uint32(m_time_received);
buffer.write_uint8(m_is_from_me);
buffer.write_uint8(is_spent);
m_values.erase("fromaccount");
m_values.erase("version");
m_values.erase("spent");
m_values.erase("n");
m_values.erase("timesmart");
}