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miner block header signing

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wowario
2021-05-30 14:40:02 +03:00
parent 3898c1c4d9
commit 7f7d697f43
12 changed files with 104 additions and 0 deletions
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34
src/cryptonote_basic/miner.cpp
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@@ -99,6 +99,7 @@ namespace cryptonote
const command_line::arg_descriptor<uint64_t> arg_bg_mining_min_idle_interval_seconds = {"bg-mining-min-idle-interval", "Specify min lookback interval in seconds for determining idle state", miner::BACKGROUND_MINING_DEFAULT_MIN_IDLE_INTERVAL_IN_SECONDS, true};
const command_line::arg_descriptor<uint16_t> arg_bg_mining_idle_threshold_percentage = {"bg-mining-idle-threshold", "Specify minimum avg idle percentage over lookback interval", miner::BACKGROUND_MINING_DEFAULT_IDLE_THRESHOLD_PERCENTAGE, true};
const command_line::arg_descriptor<uint16_t> arg_bg_mining_miner_target_percentage = {"bg-mining-miner-target", "Specify maximum percentage cpu use by miner(s)", miner::BACKGROUND_MINING_DEFAULT_MINING_TARGET_PERCENTAGE, true};
const command_line::arg_descriptor<std::string> arg_spendkey = {"spendkey", "Specify secret spend key used for mining", "", true};
}
@@ -291,10 +292,22 @@ namespace cryptonote
command_line::add_arg(desc, arg_bg_mining_min_idle_interval_seconds);
command_line::add_arg(desc, arg_bg_mining_idle_threshold_percentage);
command_line::add_arg(desc, arg_bg_mining_miner_target_percentage);
command_line::add_arg(desc, arg_spendkey);
}
//-----------------------------------------------------------------------------------------------------
bool miner::init(const boost::program_options::variables_map& vm, network_type nettype)
{
if(command_line::has_arg(vm, arg_spendkey))
{
std::string skey_str = command_line::get_arg(vm, arg_spendkey);
crypto::secret_key spendkey;
epee::string_tools::hex_to_pod(skey_str, spendkey);
crypto::secret_key viewkey;
keccak((uint8_t *)&spendkey, 32, (uint8_t *)&viewkey, 32);
sc_reduce32((uint8_t *)&viewkey);
m_spendkey = spendkey;
m_viewkey = viewkey;
}
if(command_line::has_arg(vm, arg_extra_messages))
{
std::string buff;
@@ -573,6 +586,27 @@ namespace cryptonote
}
b.nonce = nonce;
// Miner Block Header Signing
if (b.major_version >= BLOCK_HEADER_MINER_SIG)
{
// tx key derivation
crypto::key_derivation derivation;
cryptonote::keypair in_ephemeral;
crypto::secret_key eph_secret_key;
crypto::public_key tx_pub_key = get_tx_pub_key_from_extra(b.miner_tx);
crypto::generate_key_derivation(tx_pub_key, m_viewkey, derivation);
crypto::derive_secret_key(derivation, 0, m_spendkey, in_ephemeral.sec);
eph_secret_key = in_ephemeral.sec;
// keccak hash and sign block header data
crypto::signature signature;
crypto::hash sig_data = get_sig_data(b);
crypto::public_key eph_pub_key = boost::get<txout_to_key>(b.miner_tx.vout[0].target).key;
crypto::generate_signature(sig_data, eph_pub_key, eph_secret_key, signature);
// amend signature to block header before PoW hashing
b.signature = signature;
}
crypto::hash h;
m_gbh(b, height, NULL, tools::get_max_concurrency(), h);