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https://git.wownero.com/wownero/wownero.git
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342 lines
13 KiB
C++
342 lines
13 KiB
C++
// Copyright (c) 2017-2022, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "crypto/crypto.h"
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#include "multisig/multisig_account.h"
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#include "multisig/multisig_kex_msg.h"
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#include "ringct/rctOps.h"
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#include "wallet/wallet2.h"
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#include "gtest/gtest.h"
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#include <cstdint>
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static const struct
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{
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const char *address;
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const char *spendkey;
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} test_addresses[] =
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{
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{
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"9uvjbU54ZJb8j7Dcq1h3F1DnBRkxXdYUX4pbJ7mE3ghM8uF3fKzqRKRNAKYZXcNLqMg7MxjVVD2wKC2PALUwEveGSC3YSWD",
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"2dd6e34a234c3e8b5d29a371789e4601e96dee4ea6f7ef79224d1a2d91164c01"
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},
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{
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"9ywDBAyDbb6QKFiZxDJ4hHZqZEQXXCR5EaYNcndUpqPDeE7rEgs6neQdZnhcDrWbURYK8xUjhuG2mVjJdmknrZbcG7NnbaB",
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"fac47aecc948ce9d3531aa042abb18235b1df632087c55a361b632ffdd6ede0c"
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},
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{
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"9t6Hn946u3eah5cuncH1hB5hGzsTUoevtf4SY7MHN5NgJZh2SFWsyVt3vUhuHyRKyrCQvr71Lfc1AevG3BXE11PQFoXDtD8",
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"bbd3175ef9fd9f5eefdc43035f882f74ad14c4cf1799d8b6f9001bc197175d02"
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},
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{
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"9zmAWoNyNPbgnYSm3nJNpAKHm6fCcs3MR94gBWxp9MCDUiMUhyYFfyQETUDLPF7DP6ZsmNo6LRxwPP9VmhHNxKrER9oGigT",
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"f2efae45bef1917a7430cda8fcffc4ee010e3178761aa41d4628e23b1fe2d501"
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},
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{
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"9ue8NJMg3WzKxTtmjeXzWYF5KmU6dC7LHEt9wvYdPn2qMmoFUa8hJJHhSHvJ46UEwpDyy5jSboNMRaDBKwU54NT42YcNUp5",
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"a4cef54ed3fd61cd78a2ceb82ecf85a903ad2db9a86fb77ff56c35c56016280a"
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}
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};
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static const size_t KEYS_COUNT = 5;
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static void make_wallet(unsigned int idx, tools::wallet2 &wallet)
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{
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ASSERT_TRUE(idx < sizeof(test_addresses) / sizeof(test_addresses[0]));
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crypto::secret_key spendkey;
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epee::string_tools::hex_to_pod(test_addresses[idx].spendkey, spendkey);
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try
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{
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wallet.init("", boost::none, "", 0, true, epee::net_utils::ssl_support_t::e_ssl_support_disabled);
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wallet.set_subaddress_lookahead(1, 1);
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wallet.generate("", "", spendkey, true, false);
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ASSERT_TRUE(test_addresses[idx].address == wallet.get_account().get_public_address_str(cryptonote::TESTNET));
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wallet.decrypt_keys("");
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ASSERT_TRUE(test_addresses[idx].spendkey == epee::string_tools::pod_to_hex(wallet.get_account().get_keys().m_spend_secret_key));
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wallet.encrypt_keys("");
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}
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catch (const std::exception &e)
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{
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MFATAL("Error creating test wallet: " << e.what());
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ASSERT_TRUE(0);
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}
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}
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static std::vector<std::string> exchange_round(std::vector<tools::wallet2>& wallets, const std::vector<std::string>& infos)
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{
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std::vector<std::string> new_infos;
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new_infos.reserve(infos.size());
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for (size_t i = 0; i < wallets.size(); ++i)
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{
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new_infos.push_back(wallets[i].exchange_multisig_keys("", infos));
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}
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return new_infos;
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}
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static void check_results(const std::vector<std::string> &intermediate_infos,
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std::vector<tools::wallet2>& wallets,
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std::uint32_t M)
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{
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// check results
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std::unordered_set<crypto::secret_key> unique_privkeys;
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rct::key composite_pubkey = rct::identity();
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wallets[0].decrypt_keys("");
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crypto::public_key spend_pubkey = wallets[0].get_account().get_keys().m_account_address.m_spend_public_key;
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crypto::secret_key view_privkey = wallets[0].get_account().get_keys().m_view_secret_key;
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crypto::public_key view_pubkey;
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EXPECT_TRUE(crypto::secret_key_to_public_key(view_privkey, view_pubkey));
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wallets[0].encrypt_keys("");
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for (size_t i = 0; i < wallets.size(); ++i)
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{
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EXPECT_TRUE(intermediate_infos[i].empty());
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bool ready;
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uint32_t threshold, total;
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EXPECT_TRUE(wallets[i].multisig(&ready, &threshold, &total));
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EXPECT_TRUE(ready);
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EXPECT_TRUE(threshold == M);
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EXPECT_TRUE(total == wallets.size());
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wallets[i].decrypt_keys("");
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if (i != 0)
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{
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// "equals" is transitive relation so we need only to compare first wallet's address to each others' addresses.
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// no need to compare 0's address with itself.
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EXPECT_TRUE(wallets[0].get_account().get_public_address_str(cryptonote::TESTNET) ==
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wallets[i].get_account().get_public_address_str(cryptonote::TESTNET));
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EXPECT_EQ(spend_pubkey, wallets[i].get_account().get_keys().m_account_address.m_spend_public_key);
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EXPECT_EQ(view_privkey, wallets[i].get_account().get_keys().m_view_secret_key);
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EXPECT_EQ(view_pubkey, wallets[i].get_account().get_keys().m_account_address.m_view_public_key);
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}
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// sum together unique multisig keys
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for (const auto &privkey : wallets[i].get_account().get_keys().m_multisig_keys)
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{
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EXPECT_NE(privkey, crypto::null_skey);
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if (unique_privkeys.find(privkey) == unique_privkeys.end())
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{
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unique_privkeys.insert(privkey);
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crypto::public_key pubkey;
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crypto::secret_key_to_public_key(privkey, pubkey);
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EXPECT_NE(privkey, crypto::null_skey);
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EXPECT_NE(pubkey, crypto::null_pkey);
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EXPECT_NE(pubkey, rct::rct2pk(rct::identity()));
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rct::addKeys(composite_pubkey, composite_pubkey, rct::pk2rct(pubkey));
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}
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}
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wallets[i].encrypt_keys("");
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}
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// final key via sums should equal the wallets' public spend key
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wallets[0].decrypt_keys("");
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EXPECT_EQ(wallets[0].get_account().get_keys().m_account_address.m_spend_public_key, rct::rct2pk(composite_pubkey));
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wallets[0].encrypt_keys("");
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}
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static void make_wallets(std::vector<tools::wallet2>& wallets, unsigned int M)
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{
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ASSERT_TRUE(wallets.size() > 1 && wallets.size() <= KEYS_COUNT);
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ASSERT_TRUE(M <= wallets.size());
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std::uint32_t rounds_required = multisig::multisig_kex_rounds_required(wallets.size(), M);
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std::uint32_t rounds_complete{0};
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// initialize wallets, get first round multisig kex msgs
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std::vector<std::string> initial_infos(wallets.size());
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for (size_t i = 0; i < wallets.size(); ++i)
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{
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make_wallet(i, wallets[i]);
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wallets[i].decrypt_keys("");
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initial_infos[i] = wallets[i].get_multisig_first_kex_msg();
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wallets[i].encrypt_keys("");
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}
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// wallets should not be multisig yet
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for (const auto &wallet: wallets)
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{
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ASSERT_FALSE(wallet.multisig());
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}
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// make wallets multisig, get second round kex messages (if appropriate)
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std::vector<std::string> intermediate_infos(wallets.size());
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for (size_t i = 0; i < wallets.size(); ++i)
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{
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intermediate_infos[i] = wallets[i].make_multisig("", initial_infos, M);
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}
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++rounds_complete;
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// perform kex rounds until kex is complete
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while (!intermediate_infos[0].empty())
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{
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bool ready{false};
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wallets[0].multisig(&ready);
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EXPECT_FALSE(ready);
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intermediate_infos = exchange_round(wallets, intermediate_infos);
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++rounds_complete;
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}
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EXPECT_EQ(rounds_required, rounds_complete);
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check_results(intermediate_infos, wallets, M);
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}
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TEST(multisig, make_1_2)
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{
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std::vector<tools::wallet2> wallets(2);
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make_wallets(wallets, 1);
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}
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TEST(multisig, make_1_3)
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{
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std::vector<tools::wallet2> wallets(3);
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make_wallets(wallets, 1);
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}
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TEST(multisig, make_2_2)
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{
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std::vector<tools::wallet2> wallets(2);
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make_wallets(wallets, 2);
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}
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TEST(multisig, make_3_3)
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{
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std::vector<tools::wallet2> wallets(3);
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make_wallets(wallets, 3);
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}
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TEST(multisig, make_2_3)
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{
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std::vector<tools::wallet2> wallets(3);
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make_wallets(wallets, 2);
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}
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TEST(multisig, make_2_4)
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{
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std::vector<tools::wallet2> wallets(4);
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make_wallets(wallets, 2);
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}
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TEST(multisig, multisig_kex_msg)
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{
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using namespace multisig;
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crypto::public_key pubkey1;
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crypto::public_key pubkey2;
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crypto::public_key pubkey3;
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crypto::secret_key_to_public_key(rct::rct2sk(rct::skGen()), pubkey1);
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crypto::secret_key_to_public_key(rct::rct2sk(rct::skGen()), pubkey2);
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crypto::secret_key_to_public_key(rct::rct2sk(rct::skGen()), pubkey3);
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crypto::secret_key signing_skey = rct::rct2sk(rct::skGen());
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crypto::public_key signing_pubkey;
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while(!crypto::secret_key_to_public_key(signing_skey, signing_pubkey))
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{
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signing_skey = rct::rct2sk(rct::skGen());
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}
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crypto::secret_key ancillary_skey = rct::rct2sk(rct::skGen());
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while (ancillary_skey == crypto::null_skey)
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ancillary_skey = rct::rct2sk(rct::skGen());
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// misc. edge cases
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EXPECT_NO_THROW((multisig_kex_msg{}));
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EXPECT_ANY_THROW((multisig_kex_msg{multisig_kex_msg{}.get_msg()}));
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EXPECT_ANY_THROW((multisig_kex_msg{"abc"}));
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EXPECT_ANY_THROW((multisig_kex_msg{0, crypto::null_skey, std::vector<crypto::public_key>{}, crypto::null_skey}));
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EXPECT_ANY_THROW((multisig_kex_msg{1, crypto::null_skey, std::vector<crypto::public_key>{}, crypto::null_skey}));
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EXPECT_ANY_THROW((multisig_kex_msg{1, signing_skey, std::vector<crypto::public_key>{}, crypto::null_skey}));
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EXPECT_ANY_THROW((multisig_kex_msg{1, crypto::null_skey, std::vector<crypto::public_key>{}, ancillary_skey}));
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// test that messages are both constructible and reversible
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// round 1
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EXPECT_NO_THROW((multisig_kex_msg{
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multisig_kex_msg{1, signing_skey, std::vector<crypto::public_key>{}, ancillary_skey}.get_msg()
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}));
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EXPECT_NO_THROW((multisig_kex_msg{
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multisig_kex_msg{1, signing_skey, std::vector<crypto::public_key>{pubkey1}, ancillary_skey}.get_msg()
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}));
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// round 2
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EXPECT_NO_THROW((multisig_kex_msg{
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multisig_kex_msg{2, signing_skey, std::vector<crypto::public_key>{pubkey1}, ancillary_skey}.get_msg()
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}));
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EXPECT_NO_THROW((multisig_kex_msg{
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multisig_kex_msg{2, signing_skey, std::vector<crypto::public_key>{pubkey1}, crypto::null_skey}.get_msg()
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}));
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EXPECT_NO_THROW((multisig_kex_msg{
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multisig_kex_msg{2, signing_skey, std::vector<crypto::public_key>{pubkey1, pubkey2}, ancillary_skey}.get_msg()
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}));
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EXPECT_NO_THROW((multisig_kex_msg{
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multisig_kex_msg{2, signing_skey, std::vector<crypto::public_key>{pubkey1, pubkey2, pubkey3}, crypto::null_skey}.get_msg()
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}));
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// test that keys can be recovered if stored in a message and the message's reverse
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// round 1
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multisig_kex_msg msg_rnd1{1, signing_skey, std::vector<crypto::public_key>{pubkey1}, ancillary_skey};
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multisig_kex_msg msg_rnd1_reverse{msg_rnd1.get_msg()};
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EXPECT_EQ(msg_rnd1.get_round(), 1);
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EXPECT_EQ(msg_rnd1.get_round(), msg_rnd1_reverse.get_round());
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EXPECT_EQ(msg_rnd1.get_signing_pubkey(), signing_pubkey);
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EXPECT_EQ(msg_rnd1.get_signing_pubkey(), msg_rnd1_reverse.get_signing_pubkey());
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EXPECT_EQ(msg_rnd1.get_msg_pubkeys().size(), 0);
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EXPECT_EQ(msg_rnd1.get_msg_pubkeys().size(), msg_rnd1_reverse.get_msg_pubkeys().size());
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EXPECT_EQ(msg_rnd1.get_msg_privkey(), ancillary_skey);
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EXPECT_EQ(msg_rnd1.get_msg_privkey(), msg_rnd1_reverse.get_msg_privkey());
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// round 2
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multisig_kex_msg msg_rnd2{2, signing_skey, std::vector<crypto::public_key>{pubkey1, pubkey2}, ancillary_skey};
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multisig_kex_msg msg_rnd2_reverse{msg_rnd2.get_msg()};
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EXPECT_EQ(msg_rnd2.get_round(), 2);
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EXPECT_EQ(msg_rnd2.get_round(), msg_rnd2_reverse.get_round());
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EXPECT_EQ(msg_rnd2.get_signing_pubkey(), signing_pubkey);
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EXPECT_EQ(msg_rnd2.get_signing_pubkey(), msg_rnd2_reverse.get_signing_pubkey());
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ASSERT_EQ(msg_rnd2.get_msg_pubkeys().size(), 2);
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ASSERT_EQ(msg_rnd2.get_msg_pubkeys().size(), msg_rnd2_reverse.get_msg_pubkeys().size());
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EXPECT_EQ(msg_rnd2.get_msg_pubkeys()[0], pubkey1);
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EXPECT_EQ(msg_rnd2.get_msg_pubkeys()[1], pubkey2);
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EXPECT_EQ(msg_rnd2.get_msg_pubkeys()[0], msg_rnd2_reverse.get_msg_pubkeys()[0]);
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EXPECT_EQ(msg_rnd2.get_msg_pubkeys()[1], msg_rnd2_reverse.get_msg_pubkeys()[1]);
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EXPECT_EQ(msg_rnd2.get_msg_privkey(), crypto::null_skey);
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EXPECT_EQ(msg_rnd2.get_msg_privkey(), msg_rnd2_reverse.get_msg_privkey());
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}
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