blockchain/tests/core_tests/chaingen_helpers.h
2020-07-11 18:42:59 +02:00

285 lines
11 KiB
C++

// Copyright (c) 2014-2018 Zano Project
// Copyright (c) 2014-2018 The Louisdor Project
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#pragma once
#include "currency_core/currency_core.h"
#include "currency_core/miner.h"
#include "wallet/wallet2.h"
#include "test_core_time.h"
#include "chaingen.h"
// chaingen-independent helpers that may be used outside of core_tests (for ex. in functional_tests)
inline bool mine_next_pow_block_in_playtime(const currency::account_public_address& miner_addr, currency::core& c, currency::block* output = nullptr)
{
currency::block b = AUTO_VAL_INIT(b);
currency::wide_difficulty_type diff;
uint64_t height;
currency::blobdata extra = AUTO_VAL_INIT(extra);
bool r = c.get_block_template(b, miner_addr, miner_addr, diff, height, extra);
CHECK_AND_ASSERT_MES(r, false, "get_block_template failed");
// adjust block's timestamp to keep difficulty low
currency::block last_block = AUTO_VAL_INIT(last_block);
c.get_blockchain_storage().get_top_block(last_block);
b.timestamp = last_block.timestamp + DIFFICULTY_POW_TARGET;
// keep global time up with blocks' timestamps
test_core_time::adjust(b.timestamp);
r = currency::miner::find_nonce_for_given_block(b, diff, height);
CHECK_AND_ASSERT_MES(r, false, "find_nonce_for_given_block failed");
currency::block_verification_context bvc = AUTO_VAL_INIT(bvc);
c.handle_incoming_block(t_serializable_object_to_blob(b), bvc);
CHECK_AND_NO_ASSERT_MES(!bvc.m_verification_failed && !bvc.m_marked_as_orphaned && !bvc.m_already_exists, false, "block verification context check failed");
if (output)
*output = b;
return true;
}
inline bool mine_next_pow_block_in_playtime_with_given_txs(const currency::account_public_address& miner_addr, currency::core& c, const std::vector<currency::transaction>& txs, const crypto::hash& prev_id, uint64_t height, currency::block* output = nullptr)
{
struct loc_helper
{
static bool fill_block_template_func(currency::block &bl, bool pos, size_t median_size, const boost::multiprecision::uint128_t& already_generated_coins, size_t &total_size, uint64_t &fee, uint64_t height)
{
fee = 0;
total_size = 0;
const std::vector<currency::transaction>& txs = *txs_accessor();
for (auto& tx : txs)
{
bl.tx_hashes.push_back(currency::get_transaction_hash(tx));
fee += currency::get_tx_fee(tx);
total_size += currency::get_object_blobsize(tx);
}
return true;
}
static const std::vector<currency::transaction>*& txs_accessor()
{
static const std::vector<currency::transaction>* txs = nullptr;
return txs;
}
};
static epee::critical_section s_locker;
CHECK_AND_ASSERT_MES((height == SIZE_MAX) == (prev_id == currency::null_hash), false, "invalid agruments: height and prev_id should be specified or not specified together");
currency::block b = AUTO_VAL_INIT(b);
currency::wide_difficulty_type diff;
uint64_t height_from_template = 0;
currency::blobdata extra = AUTO_VAL_INIT(extra);
currency::pos_entry pe = AUTO_VAL_INIT(pe);
bool r = false;
{
CRITICAL_REGION_LOCAL(s_locker);
loc_helper::txs_accessor() = &txs;
r = c.get_blockchain_storage().create_block_template(b, miner_addr, miner_addr, diff, height_from_template, extra, false, pe, loc_helper::fill_block_template_func);
}
CHECK_AND_ASSERT_MES(r, false, "get_block_template failed");
// adjust block's timestamp to keep difficulty low
currency::block last_block = AUTO_VAL_INIT(last_block);
if (prev_id == currency::null_hash)
r = c.get_blockchain_storage().get_top_block(last_block);
else
r = c.get_blockchain_storage().get_block_by_hash(prev_id, last_block);
CHECK_AND_ASSERT_MES(r, false, "failed to obtain last block, prev_id = " << prev_id);
b.timestamp = last_block.timestamp + DIFFICULTY_POW_TARGET;
// keep global time up with blocks' timestamps
test_core_time::adjust(b.timestamp);
if (prev_id != currency::null_hash)
{
b.prev_id = prev_id;
CHECK_AND_ASSERT_MES(b.miner_tx.vin.size() > 0, false, "invalid miner_tx.vin");
CHECKED_GET_SPECIFIC_VARIANT(b.miner_tx.vin[0], currency::txin_gen, in, false);
in.height = height;
set_tx_unlock_time(b.miner_tx, height + CURRENCY_MINED_MONEY_UNLOCK_WINDOW);
}
else
{
height = height_from_template;
}
r = currency::miner::find_nonce_for_given_block(b, diff, height);
CHECK_AND_ASSERT_MES(r, false, "find_nonce_for_given_block failed");
currency::block_verification_context bvc = AUTO_VAL_INIT(bvc);
c.handle_incoming_block(t_serializable_object_to_blob(b), bvc);
CHECK_AND_NO_ASSERT_MES(!bvc.m_verification_failed && !bvc.m_marked_as_orphaned && !bvc.m_already_exists, false, "block verification context check failed");
if (output)
*output = b;
return true;
}
inline bool mine_next_pow_block_in_playtime_with_given_txs(const currency::account_public_address& miner_addr, currency::core& c, const std::vector<currency::transaction>& txs, currency::block* output = nullptr)
{
return mine_next_pow_block_in_playtime_with_given_txs(miner_addr, c, txs, currency::null_hash, SIZE_MAX, output);
}
inline bool mine_next_pow_blocks_in_playtime(const currency::account_public_address& miner_addr, currency::core& c, size_t blocks_count)
{
for (size_t i = 0; i != blocks_count; i++)
if (!mine_next_pow_block_in_playtime(miner_addr, c))
return false;
return true;
}
// NOTE: stake coins return back to the wallet, newly generated coins go to miner_address (by default they are the same destinations)
inline bool mine_next_pos_block_in_playtime_with_wallet(tools::wallet2& w, const currency::account_public_address& miner_address, size_t& pos_entries_count)
{
tools::wallet2::mining_context ctx = AUTO_VAL_INIT(ctx);
w.fill_mining_context(ctx);
if (!ctx.rsp.is_pos_allowed)
return false;
pos_entries_count = ctx.sp.pos_entries.size();
std::atomic<bool> stop(false);
w.scan_pos(ctx, stop, [&w](){size_t blocks_fetched; w.refresh(blocks_fetched); return blocks_fetched == 0; }, w.get_core_runtime_config());
if (ctx.rsp.status != API_RETURN_CODE_OK)
return false;
return w.build_minted_block(ctx.sp, ctx.rsp, miner_address);
}
inline uint64_t random_in_range(uint64_t from, uint64_t to)
{
if (from == to)
return from;
CHECK_AND_ASSERT_MES(from < to, 0, "Invalid arguments: from = " << from << ", to = " << to);
return crypto::rand<uint64_t>() % (to - from + 1) + from;
}
struct log_level_scope_changer
{
log_level_scope_changer(int desired_log_level)
{
m_original_log_level = log_space::get_set_log_detalisation_level();
log_space::get_set_log_detalisation_level(true, desired_log_level);
}
~log_level_scope_changer()
{
log_space::get_set_log_detalisation_level(true, m_original_log_level);
}
int m_original_log_level;
};
inline bool resign_tx(const currency::account_keys& sender_keys, const std::vector<currency::tx_source_entry>& sources,
currency::transaction& tx /* IN/OUT */,
const currency::transaction* p_source_tx = nullptr /* IN */)
{
if (sources.size() != tx.vin.size())
return false;
tx.signatures.clear();
crypto::hash tx_prefix_hash = get_transaction_hash(tx);
size_t i = 0;
for (const currency::tx_source_entry& se : sources)
{
crypto::hash tx_hash_for_signature = prepare_prefix_hash_for_sign(tx, i, tx_prefix_hash);
if (tx_hash_for_signature == currency::null_hash)
return false;
crypto::secret_key in_ephemeral_sec = AUTO_VAL_INIT(in_ephemeral_sec);
crypto::key_derivation recv_derivation = AUTO_VAL_INIT(recv_derivation);
if (!crypto::generate_key_derivation(se.real_out_tx_key, sender_keys.view_secret_key, recv_derivation))
return false;
crypto::derive_secret_key(recv_derivation, se.real_output_in_tx_index, sender_keys.spend_secret_key, in_ephemeral_sec);
tx.signatures.push_back(std::vector<crypto::signature>());
std::vector<crypto::signature>& sigs = tx.signatures.back();
if (se.is_multisig())
{
// multisig
if (p_source_tx == nullptr)
return false;
bool r = false, tx_fully_signed = false;
size_t ms_input_index = get_multisig_in_index(tx.vin);
size_t ms_input_sigs_count = boost::get<currency::txin_multisig>(tx.vin[ms_input_index]).sigs_count;
sigs.resize(ms_input_sigs_count);
r = sign_multisig_input_in_tx(tx, ms_input_index, sender_keys, *p_source_tx, &tx_fully_signed);
CHECK_AND_ASSERT_MES(r && !tx_fully_signed, false, "sign_multisig_input_in_tx failed, returned: " << r << ", tx_fully_signed: " << tx_fully_signed);
}
else
{
std::vector<const crypto::public_key*> keys_ptrs;
for (const currency::tx_source_entry::output_entry& o : se.outputs)
keys_ptrs.push_back(&o.second);
sigs.resize(se.outputs.size());
generate_ring_signature(tx_hash_for_signature, boost::get<currency::txin_to_key>(tx.vin[i]).k_image, keys_ptrs, in_ephemeral_sec, se.real_output, sigs.data());
}
i++;
}
return true;
}
inline std::string gen_random_alias(size_t len)
{
const char allowed_chars[] = "abcdefghijklmnopqrstuvwxyz0123456789";
char buffer[2048] = "";
if (len >= sizeof buffer)
return "";
crypto::generate_random_bytes(len, buffer);
buffer[len] = 0;
for(size_t i = 0; i < len; ++i)
buffer[i] = allowed_chars[buffer[i] % (sizeof allowed_chars - 1)];
return buffer;
}
template<typename alias_entry_t>
inline bool put_alias_via_tx_to_list(std::vector<test_event_entry>& events,
std::list<currency::transaction>& tx_set,
const currency::block& head_block,
const currency::account_base& miner_acc,
const alias_entry_t& ae,
test_generator& generator)
{
std::vector<currency::extra_v> ex;
ex.push_back(ae);
currency::account_base reward_acc;
currency::account_keys& ak = const_cast<currency::account_keys&>(reward_acc.get_keys());
currency::get_aliases_reward_account(ak.account_address, ak.view_secret_key);
uint64_t fee_median = generator.get_last_n_blocks_fee_median(get_block_hash(head_block));
uint64_t reward = currency::get_alias_coast_from_fee(ae.m_alias, fee_median);
MAKE_TX_MIX_LIST_EXTRA_MIX_ATTR(events,
tx_set,
miner_acc,
reward_acc,
reward,
0,
head_block,
CURRENCY_TO_KEY_OUT_RELAXED,
ex,
std::vector<currency::attachment_v>());
uint64_t found_alias_reward = get_amount_for_zero_pubkeys(tx_set.back());
if (found_alias_reward != reward)
{
LOCAL_ASSERT(false);
CHECK_AND_ASSERT_MES(false, false, "wrong transaction constructed, first input value not match alias amount or account");
return false;
}
return true;
}