1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
// Copyright (c) 2018-2022, 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.
#include <boost/optional/optional.hpp>
#include <boost/utility/value_init.hpp>
#include "include_base_utils.h"
#include "cryptonote_config.h"
#include "wallet_rpc_helpers.h"
#include "wallet2.h"
#include "cryptonote_basic/cryptonote_format_utils.h"
#include "rpc/core_rpc_server_commands_defs.h"
#include "rpc/rpc_payment_signature.h"
#include "misc_language.h"
#include "cryptonote_basic/cryptonote_basic_impl.h"
#include "int-util.h"
#include "crypto/crypto.h"
#include "cryptonote_basic/blobdatatype.h"
#include "common/i18n.h"
#include "common/util.h"
#include "common/threadpool.h"
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "wallet.wallet2.rpc_payments"
#define RPC_PAYMENT_POLL_PERIOD 10 /* seconds*/
namespace tools
{
//----------------------------------------------------------------------------------------------------
std::string wallet2::get_client_signature() const
{
return cryptonote::make_rpc_payment_signature(m_rpc_client_secret_key);
}
//----------------------------------------------------------------------------------------------------
bool wallet2::get_rpc_payment_info(bool mining, bool &payment_required, uint64_t &credits, uint64_t &diff, uint64_t &credits_per_hash_found, cryptonote::blobdata &hashing_blob, uint64_t &height, uint64_t &seed_height, crypto::hash &seed_hash, crypto::hash &next_seed_hash, uint32_t &cookie)
{
boost::optional<std::string> result = m_node_rpc_proxy.get_rpc_payment_info(mining, payment_required, credits, diff, credits_per_hash_found, hashing_blob, height, seed_height, seed_hash, next_seed_hash, cookie);
credits = m_rpc_payment_state.credits;
if (result && *result != CORE_RPC_STATUS_OK)
return false;
return true;
}
//----------------------------------------------------------------------------------------------------
bool wallet2::daemon_requires_payment()
{
bool payment_required = false;
uint64_t credits, diff, credits_per_hash_found, height, seed_height;
uint32_t cookie;
cryptonote::blobdata blob;
crypto::hash seed_hash, next_seed_hash;
return get_rpc_payment_info(false, payment_required, credits, diff, credits_per_hash_found, blob, height, seed_height, seed_hash, next_seed_hash, cookie) && payment_required;
}
//----------------------------------------------------------------------------------------------------
bool wallet2::make_rpc_payment(uint32_t nonce, uint32_t cookie, uint64_t &credits, uint64_t &balance)
{
cryptonote::COMMAND_RPC_ACCESS_SUBMIT_NONCE::request req = AUTO_VAL_INIT(req);
cryptonote::COMMAND_RPC_ACCESS_SUBMIT_NONCE::response res = AUTO_VAL_INIT(res);
req.nonce = nonce;
req.cookie = cookie;
m_daemon_rpc_mutex.lock();
uint64_t pre_call_credits = m_rpc_payment_state.credits;
req.client = get_client_signature();
epee::json_rpc::error error;
bool r = epee::net_utils::invoke_http_json_rpc("/json_rpc", "rpc_access_submit_nonce", req, res, error, *m_http_client, rpc_timeout);
m_daemon_rpc_mutex.unlock();
THROW_ON_RPC_RESPONSE_ERROR_GENERIC(r, error, res, "rpc_access_submit_nonce");
THROW_WALLET_EXCEPTION_IF(res.credits < pre_call_credits, error::wallet_internal_error, "RPC payment did not increase balance");
if (m_rpc_payment_state.top_hash != res.top_hash)
{
m_rpc_payment_state.top_hash = res.top_hash;
m_rpc_payment_state.stale = true;
}
m_rpc_payment_state.credits = res.credits;
balance = res.credits;
credits = balance - pre_call_credits;
return true;
}
//----------------------------------------------------------------------------------------------------
bool wallet2::search_for_rpc_payment(uint64_t credits_target, uint32_t n_threads, const std::function<bool(uint64_t, uint64_t)> &startfunc, const std::function<bool(unsigned)> &contfunc, const std::function<bool(uint64_t)> &foundfunc, const std::function<void(const std::string&)> &errorfunc)
{
bool need_payment = false;
bool payment_required;
uint64_t credits, diff, credits_per_hash_found, height, seed_height;
uint32_t cookie;
unsigned int n_hashes = 0;
cryptonote::blobdata hashing_blob;
crypto::hash seed_hash, next_seed_hash;
try
{
need_payment = get_rpc_payment_info(false, payment_required, credits, diff, credits_per_hash_found, hashing_blob, height, seed_height, seed_hash, next_seed_hash, cookie) && payment_required && credits < credits_target;
if (!need_payment)
return true;
if (!startfunc(diff, credits_per_hash_found))
return true;
}
catch (const std::exception &e) { return false; }
static std::atomic<uint32_t> nonce(0);
while (contfunc(n_hashes))
{
try
{
need_payment = get_rpc_payment_info(true, payment_required, credits, diff, credits_per_hash_found, hashing_blob, height, seed_height, seed_hash, next_seed_hash, cookie) && payment_required && credits < credits_target;
if (!need_payment)
return true;
}
catch (const std::exception &e) { return false; }
if (hashing_blob.empty())
{
MERROR("Bad hashing blob from daemon");
if (errorfunc)
errorfunc("Bad hashing blob from daemon, trying again");
epee::misc_utils::sleep_no_w(1000);
continue;
}
if(n_threads == 0)
n_threads = boost::thread::hardware_concurrency();
std::vector<crypto::hash> hash(n_threads);
tools::threadpool& tpool = tools::threadpool::getInstanceForCompute();
tools::threadpool::waiter waiter(tpool);
const uint32_t local_nonce = nonce += n_threads; // wrapping's OK
for (size_t i = 0; i < n_threads; i++)
{
tpool.submit(&waiter, [&, i] {
*(uint32_t*)(hashing_blob.data() + 39) = SWAP32LE(local_nonce-i);
const uint8_t major_version = hashing_blob[0];
if (major_version >= RX_BLOCK_VERSION)
{
crypto::rx_slow_hash(seed_hash.data, hashing_blob.data(), hashing_blob.size(), hash[i].data);
}
else
{
int cn_variant = hashing_blob[0] >= 7 ? hashing_blob[0] - 6 : 0;
crypto::cn_slow_hash(hashing_blob.data(), hashing_blob.size(), hash[i], cn_variant, height);
}
});
}
waiter.wait();
n_hashes += n_threads;
for(size_t i=0; i < n_threads; i++)
{
if (cryptonote::check_hash(hash[i], diff))
{
uint64_t credits, balance;
try
{
make_rpc_payment(local_nonce-i, cookie, credits, balance);
if (credits != credits_per_hash_found)
{
MERROR("Found nonce, but daemon did not credit us with the expected amount");
if (errorfunc)
errorfunc("Found nonce, but daemon did not credit us with the expected amount");
return false;
}
MDEBUG("Found nonce " << local_nonce-i << " at diff " << diff << ", gets us " << credits_per_hash_found << ", now " << balance << " credits");
if (!foundfunc(credits))
break;
}
catch (const tools::error::wallet_coded_rpc_error &e)
{
MWARNING("Found a local_nonce at diff " << diff << ", but failed to send it to the daemon");
if (errorfunc)
errorfunc("Found nonce, but daemon errored out with error " + std::to_string(e.code()) + ": " + e.status() + ", continuing");
}
catch (const std::exception &e)
{
MWARNING("Found a local_nonce at diff " << diff << ", but failed to send it to the daemon");
if (errorfunc)
errorfunc("Found nonce, but daemon errored out with: '" + std::string(e.what()) + "', continuing");
}
}
}
}
return true;
}
//----------------------------------------------------------------------------------------------------
void wallet2::check_rpc_cost(const char *call, uint64_t post_call_credits, uint64_t pre_call_credits, double expected_cost)
{
return tools::check_rpc_cost(m_rpc_payment_state, call, post_call_credits, pre_call_credits, expected_cost);
}
//----------------------------------------------------------------------------------------------------
}
|
