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coretests: zarcanum_in_alt_chain fixed by temporary disabling altchain checks for ZC inputs (+few improvements)

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sowle 2023-05-22 04:27:40 +02:00
parent 681daeea21
commit f164335e4e
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GPG key ID: C07A24B2D89D49FC
5 changed files with 80 additions and 27 deletions
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16
src/crypto/zarcanum.cpp
View file

@ -204,6 +204,22 @@ namespace crypto
DBG_PRINT("zarcanum_verify_proof");
bool r = false;
//std::cout << "===== zarcanum_verify_proof =====" << ENDL
// << "m: " << m << ENDL
// << "kernel_hash: " << kernel_hash << ENDL
// << "last_pow_block_id_hashed: " << last_pow_block_id_hashed << ENDL
// << "stake_ki: " << stake_ki << ENDL
// << "pos_difficulty: " << pos_difficulty << ENDL;
//size_t ii = 0;
//for(const auto& el : ring)
//{
// std::cout << "[" << ii << "]" << ENDL
// << " amount_commitment: " << el.amount_commitment << ENDL
// << " blinded_asset_id: " << el.blinded_asset_id << ENDL
// << " concealing_point: " << el.concealing_point << ENDL
// << " stealth_address: " << el.stealth_address << ENDL;
//}
// make sure 0 < d <= l / floor(z * D)
const mp::uint256_t l_div_z_D_mp = crypto::zarcanum_precalculate_l_div_z_D(pos_difficulty);
const scalar_t l_div_z_D(l_div_z_D_mp);

48
src/currency_core/blockchain_storage.cpp
View file

@ -5591,30 +5591,35 @@ bool blockchain_storage::validate_pos_block(const block& b,
const txin_zc_input& stake_input = boost::get<txin_zc_input>(b.miner_tx.vin[1]);
CHECK_AND_ASSERT_MES(b.miner_tx.signatures.size() == 1, false, "incorrect number of stake input signatures: " << b.miner_tx.signatures.size());
CHECK_AND_ASSERT_MES(b.miner_tx.signatures[0].type() == typeid(zarcanum_sig), false, "incorrect sig 0 type: " << b.miner_tx.signatures[0].type().name());
const zarcanum_sig& sig = boost::get<zarcanum_sig>(b.miner_tx.signatures[0]);
if (!for_altchain)
{
// do general input check for main chain blocks only
// TODO @#@#: txs in alternative PoS blocks (including miner_tx) must be validated by validate_alt_block_txs()
const zarcanum_sig& sig = boost::get<zarcanum_sig>(b.miner_tx.signatures[0]);
uint64_t max_related_block_height = 0;
std::vector<crypto::public_key> dummy_output_keys; // won't be used
uint64_t dummy_source_max_unlock_time_for_pos_coinbase_dummy = 0; // won't be used
scan_for_keys_context scan_contex = AUTO_VAL_INIT(scan_contex);
r = get_output_keys_for_input_with_checks(b.miner_tx, stake_input, dummy_output_keys, max_related_block_height, dummy_source_max_unlock_time_for_pos_coinbase_dummy, scan_contex);
CHECK_AND_ASSERT_MES(r, false, "get_output_keys_for_input_with_checks failed for stake input");
CHECK_AND_ASSERT_MES(scan_contex.zc_outs.size() == stake_input.key_offsets.size(), false, "incorrect number of referenced outputs found: " << scan_contex.zc_outs.size() << ", while " << stake_input.key_offsets.size() << " is expected.");
// make sure that all referring inputs are either older then, or the same age as, the most resent PoW block.
CHECK_AND_ASSERT_MES(max_related_block_height <= last_pow_block_height, false, "stake input refs' max related block height is " << max_related_block_height << " while last PoW block height is " << last_pow_block_height);
// TODO @#@# do general input check for main chain blocks only?
uint64_t max_related_block_height = 0;
std::vector<crypto::public_key> dummy_output_keys; // won't be used
uint64_t dummy_source_max_unlock_time_for_pos_coinbase_dummy = 0; // won't be used
scan_for_keys_context scan_contex = AUTO_VAL_INIT(scan_contex);
r = get_output_keys_for_input_with_checks(b.miner_tx, stake_input, dummy_output_keys, max_related_block_height, dummy_source_max_unlock_time_for_pos_coinbase_dummy, scan_contex);
CHECK_AND_ASSERT_MES(r, false, "get_output_keys_for_input_with_checks failed for stake input");
CHECK_AND_ASSERT_MES(scan_contex.zc_outs.size() == stake_input.key_offsets.size(), false, "incorrect number of referenced outputs found: " << scan_contex.zc_outs.size() << ", while " << stake_input.key_offsets.size() << " is expected.");
// make sure that all referring inputs are either older then, or the same age as, the most resent PoW block.
CHECK_AND_ASSERT_MES(max_related_block_height <= last_pow_block_height, false, "stake input refs' max related block height is " << max_related_block_height << " while last PoW block height is " << last_pow_block_height);
// build a ring of references
vector<crypto::CLSAG_GGXXG_input_ref_t> ring;
ring.reserve(scan_contex.zc_outs.size());
for(auto& zc_out : scan_contex.zc_outs)
ring.emplace_back(zc_out.stealth_address, zc_out.amount_commitment, zc_out.blinded_asset_id, zc_out.concealing_point);
// build a ring of references
vector<crypto::CLSAG_GGXXG_input_ref_t> ring;
ring.reserve(scan_contex.zc_outs.size());
for(auto& zc_out : scan_contex.zc_outs)
ring.emplace_back(zc_out.stealth_address, zc_out.amount_commitment, zc_out.blinded_asset_id, zc_out.concealing_point);
crypto::scalar_t last_pow_block_id_hashed = crypto::hash_helper_t::hs(CRYPTO_HDS_ZARCANUM_LAST_POW_HASH, sm.last_pow_id);
crypto::scalar_t last_pow_block_id_hashed = crypto::hash_helper_t::hs(CRYPTO_HDS_ZARCANUM_LAST_POW_HASH, sm.last_pow_id);
uint8_t err = 0;
r = crypto::zarcanum_verify_proof(id, kernel_hash, ring, last_pow_block_id_hashed, stake_input.k_image, basic_diff, sig, &err);
CHECK_AND_ASSERT_MES(r, false, "zarcanum_verify_proof failed with code " << (int)err);
}
uint8_t err = 0;
r = crypto::zarcanum_verify_proof(id, kernel_hash, ring, last_pow_block_id_hashed, stake_input.k_image, basic_diff, sig, &err);
CHECK_AND_ASSERT_MES(r, false, "zarcanum_verify_proof failed with code " << (int)err);
return true;
}
else
@ -7155,10 +7160,13 @@ bool blockchain_storage::validate_alt_block_input(const transaction& input_tx,
}
else
{
// TODO @#@# properly handle ZC inputs! check_tx_input below isn't working because of incorrectly assembled ring
/*
uint64_t max_related_block_height = 0;
bool all_tx_ins_have_explicit_asset_ids = true; // stub for now, TODO @#@#
r = check_tx_input(input_tx, input_index, input_zc, input_tx_hash, max_related_block_height, all_tx_ins_have_explicit_asset_ids);
CHECK_AND_ASSERT_MES(r, false, "check_tx_input failed");
*/
}
VARIANT_CASE_OTHER()
LOG_ERROR("unexpected input type: " << input_v.type().name());

5
src/wallet/wallet2.cpp
View file

@ -4064,6 +4064,11 @@ bool wallet2::prepare_and_sign_pos_block(const mining_context& cxt, currency::bl
WLT_CHECK_AND_ASSERT_MES(r, false, "generate_tx_balance_proof failed");
b.miner_tx.proofs.emplace_back(std::move(balance_proof));
// the following line are for debugging when necessary -- sowle
//err = 0;
//r = crypto::zarcanum_verify_proof(hash_for_zarcanum_sig, cxt.kernel_hash, ring, cxt.last_pow_block_id_hashed, cxt.sk.kimage, cxt.basic_diff, sig, &err);
//WLT_CHECK_AND_ASSERT_MES(r, false, "zarcanum_verify_proof failed with code " << (int)err);
return true;
}
//------------------------------------------------------------------

8
tests/core_tests/chaingen.cpp
View file

@ -642,10 +642,10 @@ bool test_generator::find_kernel(const std::list<currency::account_base>& accs,
pe.tx_out_index = td.m_internal_output_index;
pe.wallet_index = context.index;
LOG_PRINT_GREEN("Found kernel: amount=" << print_money_brief(pe.amount)
<< ", gindex=" << pe.g_index
<< ", key_image=" << pe.keyimage
/*<< ", diff: " << this_coin_diff*/, LOG_LEVEL_1);
LOG_PRINT_GREEN("Additional kernel info: source tx id: " << pe.tx_id
<< ", key_image: " << pe.keyimage
<< ", gindex: " << pe.g_index
<< ", out's height: " << td.m_ptx_wallet_info->m_block_height, LOG_LEVEL_1);
return true;
}

30
tests/core_tests/zarcanum_test.cpp
View file

@ -636,7 +636,8 @@ bool zarcanum_in_alt_chain::generate(std::vector<test_event_entry>& events) cons
// |
// 0 10 11 21 22 23 | 24 34 35 36 <- blockchain height
// (0 )..(0r)- (1 )..(1r)- !2 !- (3 )- (4 )..(4r)- (5 ) <- main chain
// tx_0 tx_1 \ tx_2
// tx_0 tx_1 \ tx_2a
// \ tx_2b
// -!5a!- (6a) <- alt chain
REWIND_BLOCKS_N_WITH_TIME(events, blk_4r, blk_4, miner_acc, CURRENCY_MINED_MONEY_UNLOCK_WINDOW);
@ -648,27 +649,50 @@ bool zarcanum_in_alt_chain::generate(std::vector<test_event_entry>& events) cons
MAKE_NEXT_BLOCK_TX_LIST(events, blk_5, blk_4r, miner_acc, std::list<transaction>({ tx_2a, tx_2b }));
// now in the main chain Bob has zero coins
// check it
// check it in gen time ...
CREATE_TEST_WALLET(bob_wlt, bob_acc, blk_0);
REFRESH_TEST_WALLET_AT_GEN_TIME(events, bob_wlt, blk_5, 3 * CURRENCY_MINED_MONEY_UNLOCK_WINDOW + 5);
CHECK_TEST_WALLET_BALANCE_AT_GEN_TIME(bob_wlt, 0);
// ... and in play time
DO_CALLBACK_PARAMS(events, "check_balance", params_check_balance(BOB_ACC_IDX, 0));
// TODO: check PoS mining against already spent key image
// HF4
// |
// 0 .. 10 11 21 22 23 | 24 .. 34 35 36 .. 45 46 47 <- blockchain height
// (0 )..(0r)- (1 )..(1r)- !2 !- (3 )- (4 )..(4r)- (5 )- <- alt chain
// tx_0 tx_1 \ tx_2a
// \ tx_2b
// \ c1
// -!5a!- (6a)- . . . (6ar)|(c1) <- main chain
std::list<currency::account_base> bob_stake_sources({ bob_acc });
MAKE_NEXT_POS_BLOCK(events, blk_5a, blk_4r, bob_acc, bob_stake_sources); // NOTE: tx_2a and blk_5a spend the same Bob's output
MAKE_NEXT_BLOCK(events, blk_6a, blk_5a, miner_acc);
DO_CALLBACK_PARAMS(events, "check_top_block", params_top_block(get_block_height(blk_6a), get_block_hash(blk_6a)));
DO_CALLBACK_PARAMS(events, "check_top_block", params_top_block(blk_6a));
REWIND_BLOCKS_N_WITH_TIME(events, blk_6ar, blk_6a, miner_acc, CURRENCY_MINED_MONEY_UNLOCK_WINDOW);
DO_CALLBACK(events, "c1");
// HF4
// |
// 0 .. 10 11 21 22 23 | 24 .. 34 35 36 .. 45 46 47 <- blockchain height
// (0 )..(0r)- (1 )..(1r)- !2 !- (3 )- (4 )..(4r)- (5 )- . . . (5r)- !6 !- (7 ) <- main chain
// tx_0 tx_1 \ tx_2a
// \ tx_2b
// \ c1
// -!5a!- (6a)- . . . (6ar)|(c1) <- alt chain
REWIND_BLOCKS_N_WITH_TIME(events, blk_5r, blk_5, miner_acc, CURRENCY_MINED_MONEY_UNLOCK_WINDOW);
MAKE_NEXT_POS_BLOCK(events, blk_6, blk_5r, alice_acc, alice_stake_sources);
MAKE_NEXT_BLOCK(events, blk_7, blk_6, miner_acc);
MAKE_NEXT_BLOCK(events, blk_8, blk_7, miner_acc);
DO_CALLBACK_PARAMS(events, "check_top_block", params_top_block(blk_8));
return true;
}