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Diffstat (limited to 'tests/core_tests/rct.cpp')
| -rw-r--r-- | tests/core_tests/rct.cpp | 499 |
1 files changed, 499 insertions, 0 deletions
diff --git a/tests/core_tests/rct.cpp b/tests/core_tests/rct.cpp new file mode 100644 index 000000000..c29854888 --- /dev/null +++ b/tests/core_tests/rct.cpp @@ -0,0 +1,499 @@ +// Copyright (c) 2014-2016, The Monero Project +// +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without modification, are +// permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, this list of +// conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright notice, this list +// of conditions and the following disclaimer in the documentation and/or other +// materials provided with the distribution. +// +// 3. Neither the name of the copyright holder nor the names of its contributors may be +// used to endorse or promote products derived from this software without specific +// prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY +// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL +// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF +// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers + +#include "ringct/rctSigs.h" +#include "chaingen.h" +#include "chaingen_tests_list.h" + +using namespace epee; +using namespace crypto; +using namespace cryptonote; + +//---------------------------------------------------------------------------------------------------------------------- +// Tests + +bool gen_rct_tx_validation_base::generate_with(std::vector<test_event_entry>& events, + const int *out_idx, int mixin, uint64_t amount_paid, bool valid, + const std::function<void(std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations)> &pre_tx, + const std::function<void(transaction &tx)> &post_tx) const +{ + uint64_t ts_start = 1338224400; + + GENERATE_ACCOUNT(miner_account); + MAKE_GENESIS_BLOCK(events, blk_0, miner_account, ts_start); + + // create 4 miner accounts, and have them mine the next 4 blocks + cryptonote::account_base miner_accounts[4]; + const cryptonote::block *prev_block = &blk_0; + cryptonote::block blocks[4]; + for (size_t n = 0; n < 4; ++n) { + miner_accounts[n].generate(); + CHECK_AND_ASSERT_MES(generator.construct_block_manually(blocks[n], *prev_block, miner_accounts[n], + test_generator::bf_major_ver | test_generator::bf_minor_ver | test_generator::bf_timestamp | test_generator::bf_hf_version, + 2, 2, prev_block->timestamp + DIFFICULTY_BLOCKS_ESTIMATE_TIMESPAN * 2, // v2 has blocks twice as long + crypto::hash(), 0, transaction(), std::vector<crypto::hash>(), 0, 0, 2), + false, "Failed to generate block"); + events.push_back(blocks[n]); + prev_block = blocks + n; + LOG_PRINT_L0("Initial miner tx " << n << ": " << obj_to_json_str(blocks[n].miner_tx)); + } + + // rewind + cryptonote::block blk_r, blk_last; + { + blk_last = blocks[3]; + for (size_t i = 0; i < CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW; ++i) + { + cryptonote::block blk; + CHECK_AND_ASSERT_MES(generator.construct_block_manually(blk, blk_last, miner_account, + test_generator::bf_major_ver | test_generator::bf_minor_ver | test_generator::bf_timestamp | test_generator::bf_hf_version, + 2, 2, blk_last.timestamp + DIFFICULTY_BLOCKS_ESTIMATE_TIMESPAN * 2, // v2 has blocks twice as long + crypto::hash(), 0, transaction(), std::vector<crypto::hash>(), 0, 0, 2), + false, "Failed to generate block"); + events.push_back(blk); + blk_last = blk; + } + blk_r = blk_last; + } + + // create 4 txes from these miners in another block, to generate some rct outputs + transaction rct_txes[4]; + rct::key rct_tx_masks[16]; + cryptonote::block blk_txes[4]; + for (size_t n = 0; n < 4; ++n) + { + std::vector<crypto::hash> starting_rct_tx_hashes; + std::vector<tx_source_entry> sources; + + sources.resize(1); + tx_source_entry& src = sources.back(); + + const size_t index_in_tx = 5; + src.amount = 30000000000000; + for (int m = 0; m < 4; ++m) { + src.push_output(m, boost::get<txout_to_key>(blocks[m].miner_tx.vout[index_in_tx].target).key, src.amount); + } + src.real_out_tx_key = cryptonote::get_tx_pub_key_from_extra(blocks[n].miner_tx); + src.real_output = n; + src.real_output_in_tx_index = index_in_tx; + src.mask = rct::identity(); + src.rct = false; + + //fill outputs entry + tx_destination_entry td; + td.addr = miner_accounts[n].get_keys().m_account_address; + td.amount = 7390000000000; + std::vector<tx_destination_entry> destinations; + destinations.push_back(td); + destinations.push_back(td); + destinations.push_back(td); + destinations.push_back(td); // 30 -> 7.39 * 4 + + crypto::secret_key tx_key; + bool r = construct_tx_and_get_tx_key(miner_accounts[n].get_keys(), sources, destinations, std::vector<uint8_t>(), rct_txes[n], 0, tx_key, true); + CHECK_AND_ASSERT_MES(r, false, "failed to construct transaction"); + events.push_back(rct_txes[n]); + starting_rct_tx_hashes.push_back(get_transaction_hash(rct_txes[n])); + + for (size_t o = 0; o < 4; ++o) + { + crypto::key_derivation derivation; + bool r = crypto::generate_key_derivation(destinations[o].addr.m_view_public_key, tx_key, derivation); + CHECK_AND_ASSERT_MES(r, false, "Failed to generate key derivation"); + crypto::secret_key amount_key; + crypto::derivation_to_scalar(derivation, o, amount_key); + if (rct_txes[n].rct_signatures.type == rct::RCTTypeSimple) + rct::decodeRctSimple(rct_txes[n].rct_signatures, rct::sk2rct(amount_key), o, rct_tx_masks[o+n*4]); + else + rct::decodeRct(rct_txes[n].rct_signatures, rct::sk2rct(amount_key), o, rct_tx_masks[o+n*4]); + } + + CHECK_AND_ASSERT_MES(generator.construct_block_manually(blk_txes[n], blk_last, miner_account, + test_generator::bf_major_ver | test_generator::bf_minor_ver | test_generator::bf_timestamp | test_generator::bf_tx_hashes | test_generator::bf_hf_version | test_generator::bf_max_outs, + 4, 4, blk_last.timestamp + DIFFICULTY_BLOCKS_ESTIMATE_TIMESPAN * 2, // v2 has blocks twice as long + crypto::hash(), 0, transaction(), starting_rct_tx_hashes, 0, 6, 4), + false, "Failed to generate block"); + events.push_back(blk_txes[n]); + blk_last = blk_txes[n]; + } + + // rewind + { + for (size_t i = 0; i < CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW; ++i) + { + cryptonote::block blk; + CHECK_AND_ASSERT_MES(generator.construct_block_manually(blk, blk_last, miner_account, + test_generator::bf_major_ver | test_generator::bf_minor_ver | test_generator::bf_timestamp | test_generator::bf_hf_version | test_generator::bf_max_outs, + 4, 4, blk_last.timestamp + DIFFICULTY_BLOCKS_ESTIMATE_TIMESPAN * 2, // v2 has blocks twice as long + crypto::hash(), 0, transaction(), std::vector<crypto::hash>(), 0, 6, 4), + false, "Failed to generate block"); + events.push_back(blk); + blk_last = blk; + } + blk_r = blk_last; + } + + // create a tx from the requested ouputs + std::vector<tx_source_entry> sources; + size_t global_rct_idx = 6; // skip first coinbase (6 outputs) + size_t rct_idx = 0; + size_t pre_rct_idx = 0; + for (size_t out_idx_idx = 0; out_idx[out_idx_idx] >= 0; ++out_idx_idx) { + sources.resize(sources.size()+1); + tx_source_entry& src = sources.back(); + + src.real_output = 0; + if (out_idx[out_idx_idx]) { + // rct + src.amount = 7390000000000; + src.real_out_tx_key = get_tx_pub_key_from_extra(rct_txes[rct_idx/4]); + src.real_output_in_tx_index = rct_idx&3; + src.mask = rct_tx_masks[rct_idx]; + src.rct = true; + for (int m = 0; m <= mixin; ++m) { + rct::ctkey ctkey; + ctkey.dest = rct::pk2rct(boost::get<txout_to_key>(rct_txes[rct_idx/4].vout[rct_idx&3].target).key); + ctkey.mask = rct_txes[rct_idx/4].rct_signatures.outPk[rct_idx&3].mask; + src.outputs.push_back(std::make_pair(global_rct_idx, ctkey)); + ++rct_idx; + ++global_rct_idx; + if (global_rct_idx % 10 == 0) + global_rct_idx += 6; // skip the coinbase + } + } + else + { + // pre rct + src.amount = 5000000000000; + src.real_out_tx_key = cryptonote::get_tx_pub_key_from_extra(blocks[pre_rct_idx].miner_tx); + src.real_output_in_tx_index = 4; + src.mask = rct::identity(); + src.rct = false; + for (int m = 0; m <= mixin; ++m) { + src.push_output(m, boost::get<txout_to_key>(blocks[pre_rct_idx].miner_tx.vout[4].target).key, src.amount); + ++pre_rct_idx; + } + } + } + + //fill outputs entry + tx_destination_entry td; + td.addr = miner_account.get_keys().m_account_address; + td.amount = amount_paid; + std::vector<tx_destination_entry> destinations; + destinations.push_back(td); + + if (pre_tx) + pre_tx(sources, destinations); + + transaction tx; + crypto::secret_key tx_key; + bool r = construct_tx_and_get_tx_key(miner_accounts[0].get_keys(), sources, destinations, std::vector<uint8_t>(), tx, 0, tx_key, true); + CHECK_AND_ASSERT_MES(r, false, "failed to construct transaction"); + + if (post_tx) + post_tx(tx); + + if (!valid) + DO_CALLBACK(events, "mark_invalid_tx"); + events.push_back(tx); + LOG_PRINT_L0("Test tx: " << obj_to_json_str(tx)); + + return true; +} + +bool gen_rct_tx_valid_from_pre_rct::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, true, NULL, NULL); +} + +bool gen_rct_tx_valid_from_rct::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, true, NULL, NULL); +} + +bool gen_rct_tx_valid_from_mixed::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, 0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, true, NULL, NULL); +} + +bool gen_rct_tx_pre_rct_bad_real_dest::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + bool tx_creation_succeeded = false; + // in the case, the tx will fail to create, due to mismatched sk/pk + bool ret = generate_with(events, out_idx, mixin, amount_paid, false, + [](std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations) {rct::key sk; rct::skpkGen(sk, sources[0].outputs[0].second.dest);}, + [&tx_creation_succeeded](const transaction &tx){tx_creation_succeeded=true;}); + return !ret && !tx_creation_succeeded; +} + +bool gen_rct_tx_pre_rct_bad_real_mask::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + [](std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations) {sources[0].outputs[0].second.mask = rct::zeroCommit(99999);}, + NULL); +} + +bool gen_rct_tx_pre_rct_bad_fake_dest::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + [](std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations) {rct::key sk; rct::skpkGen(sk, sources[0].outputs[1].second.dest);}, + NULL); +} + +bool gen_rct_tx_pre_rct_bad_fake_mask::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + [](std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations) {sources[0].outputs[1].second.mask = rct::zeroCommit(99999);}, + NULL); +} + +bool gen_rct_tx_rct_bad_real_dest::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + bool tx_creation_succeeded = false; + // in the case, the tx will fail to create, due to mismatched sk/pk + bool ret = generate_with(events, out_idx, mixin, amount_paid, false, + [](std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations) {rct::key sk; rct::skpkGen(sk, sources[0].outputs[0].second.dest);}, + [&tx_creation_succeeded](const transaction &tx){tx_creation_succeeded=true;}); + return !ret && !tx_creation_succeeded; +} + +bool gen_rct_tx_rct_bad_real_mask::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + [](std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations) {sources[0].outputs[0].second.mask = rct::zeroCommit(99999);}, + NULL); +} + +bool gen_rct_tx_rct_bad_fake_dest::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + [](std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations) {rct::key sk; rct::skpkGen(sk, sources[0].outputs[1].second.dest);}, + NULL); +} + +bool gen_rct_tx_rct_bad_fake_mask::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + [](std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations) {sources[0].outputs[1].second.mask = rct::zeroCommit(99999);}, + NULL); +} + +bool gen_rct_tx_rct_spend_with_zero_commit::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + [](std::vector<tx_source_entry> &sources, std::vector<tx_destination_entry> &destinations) {sources[0].outputs[0].second.mask = rct::zeroCommit(sources[0].amount); sources[0].mask = rct::identity();}, + [](transaction &tx){boost::get<txin_to_key>(tx.vin[0]).amount = 0;}); +} + +bool gen_rct_tx_pre_rct_zero_vin_amount::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {boost::get<txin_to_key>(tx.vin[0]).amount = 0;}); +} + +bool gen_rct_tx_rct_non_zero_vin_amount::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {boost::get<txin_to_key>(tx.vin[0]).amount = 5000000000000;}); // one that we know exists +} + +bool gen_rct_tx_non_zero_vout_amount::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {tx.vout[0].amount = 5000000000000;}); // one that we know exists +} + +bool gen_rct_tx_pre_rct_duplicate_key_image::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [&events](transaction &tx) {boost::get<txin_to_key>(tx.vin[0]).k_image = boost::get<txin_to_key>(boost::get<transaction>(events[67]).vin[0]).k_image;}); +} + +bool gen_rct_tx_rct_duplicate_key_image::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [&events](transaction &tx) {boost::get<txin_to_key>(tx.vin[0]).k_image = boost::get<txin_to_key>(boost::get<transaction>(events[67]).vin[0]).k_image;}); +} + +bool gen_rct_tx_pre_rct_wrong_key_image::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + // some random key image from the monero blockchain, so we get something that is a valid key image + static const uint8_t k_image[33] = "\x49\x3b\x56\x16\x54\x76\xa8\x75\xb7\xf4\xa8\x51\xf5\x55\xd3\x44\xe7\x3e\xea\x73\xee\xc1\x06\x7c\x7d\xb6\x57\x28\x46\x85\xe1\x07"; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {memcpy(&boost::get<txin_to_key>(tx.vin[0]).k_image, k_image, 32);}); +} + +bool gen_rct_tx_rct_wrong_key_image::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + // some random key image from the monero blockchain, so we get something that is a valid key image + static const uint8_t k_image[33] = "\x49\x3b\x56\x16\x54\x76\xa8\x75\xb7\xf4\xa8\x51\xf5\x55\xd3\x44\xe7\x3e\xea\x73\xee\xc1\x06\x7c\x7d\xb6\x57\x28\x46\x85\xe1\x07"; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {memcpy(&boost::get<txin_to_key>(tx.vin[0]).k_image, k_image, 32);}); +} + +bool gen_rct_tx_pre_rct_wrong_fee::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {tx.rct_signatures.txnFee++;}); +} + +bool gen_rct_tx_rct_wrong_fee::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {tx.rct_signatures.txnFee++;}); +} + +bool gen_rct_tx_pre_rct_increase_vin_and_fee::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {boost::get<txin_to_key>(tx.vin[0]).amount++;tx.rct_signatures.txnFee++;}); +} + +bool gen_rct_tx_pre_rct_remove_vin::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {tx.vin.pop_back();}); +} + +bool gen_rct_tx_rct_remove_vin::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {tx.vin.pop_back();}); +} + +bool gen_rct_tx_pre_rct_add_vout::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {tx.vout.push_back(tx.vout.back());}); +} + +bool gen_rct_tx_rct_add_vout::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {tx.vout.push_back(tx.vout.back());}); +} + +bool gen_rct_tx_pre_rct_altered_extra::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {0, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {std::string extra_nonce; crypto::hash pid = cryptonote::null_hash; set_payment_id_to_tx_extra_nonce(extra_nonce, pid); add_extra_nonce_to_tx_extra(tx.extra, extra_nonce);}); +} + +bool gen_rct_tx_rct_altered_extra::generate(std::vector<test_event_entry>& events) const +{ + const int mixin = 2; + const int out_idx[] = {1, -1}; + const uint64_t amount_paid = 10000; + return generate_with(events, out_idx, mixin, amount_paid, false, + NULL, [](transaction &tx) {std::string extra_nonce; crypto::hash pid = cryptonote::null_hash; set_payment_id_to_tx_extra_nonce(extra_nonce, pid); add_extra_nonce_to_tx_extra(tx.extra, extra_nonce);}); +} + |