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monero/tests/functional_tests/mining.py

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#!/usr/bin/env python3
# Copyright (c) 2018 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.
from __future__ import print_function
import time
import os
"""Test daemon mining RPC calls
Test the following RPCs:
- start_mining
- stop_mining
- mining_status
"""
from framework.daemon import Daemon
from framework.wallet import Wallet
class MiningTest():
def run_test(self):
self.reset()
self.create()
self.mine(True)
self.mine(False)
self.submitblock()
self.reset()
self.test_randomx()
def reset(self):
print('Resetting blockchain')
daemon = Daemon()
res = daemon.get_height()
daemon.pop_blocks(res.height - 1)
daemon.flush_txpool()
def create(self):
print('Creating wallet')
wallet = Wallet()
# close the wallet if any, will throw if none is loaded
try: wallet.close_wallet()
except: pass
res = wallet.restore_deterministic_wallet(seed = 'velvet lymph giddy number token physics poetry unquoted nibs useful sabotage limits benches lifestyle eden nitrogen anvil fewest avoid batch vials washing fences goat unquoted')
def mine(self, via_daemon):
print("Test mining via " + ("daemon" if via_daemon else "wallet"))
daemon = Daemon()
wallet = Wallet()
# check info/height/balance before generating blocks
res_info = daemon.get_info()
prev_height = res_info.height
res_getbalance = wallet.get_balance()
prev_balance = res_getbalance.balance
res_status = daemon.mining_status()
if via_daemon:
res = daemon.start_mining('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', threads_count = 1)
else:
res = wallet.start_mining(threads_count = 1)
res_status = daemon.mining_status()
assert res_status.active == True
assert res_status.threads_count == 1
assert res_status.address == '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm'
assert res_status.is_background_mining_enabled == False
assert res_status.block_reward >= 600000000000
# wait till we mined a few of them
target_height = prev_height + 5
height = prev_height
timeout = 60 # randomx is slow to init
while height < target_height:
seen_height = height
for _ in range(timeout):
time.sleep(1)
height = daemon.get_info().height
if height > seen_height:
break
else:
assert False, 'Failed to mine successor to block %d (initial block = %d)' % (seen_height, prev_height)
timeout = 5
if via_daemon:
res = daemon.stop_mining()
else:
res = wallet.stop_mining()
res_status = daemon.mining_status()
assert res_status.active == False
res_info = daemon.get_info()
new_height = res_info.height
wallet.refresh()
res_getbalance = wallet.get_balance()
balance = res_getbalance.balance
assert balance >= prev_balance + (new_height - prev_height) * 600000000000
if via_daemon:
res = daemon.start_mining('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', threads_count = 1, do_background_mining = True)
else:
res = wallet.start_mining(threads_count = 1, do_background_mining = True)
res_status = daemon.mining_status()
assert res_status.active == True
assert res_status.threads_count == 1
assert res_status.address == '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm'
assert res_status.is_background_mining_enabled == True
assert res_status.block_reward >= 600000000000
# don't wait, might be a while if the machine is busy, which it probably is
if via_daemon:
res = daemon.stop_mining()
else:
res = wallet.stop_mining()
res_status = daemon.mining_status()
assert res_status.active == False
def submitblock(self):
print("Test submitblock")
daemon = Daemon()
res = daemon.get_height()
height = res.height
res = daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 5)
assert len(res.blocks) == 5
hashes = res.blocks
blocks = []
for block_hash in hashes:
res = daemon.getblock(hash = block_hash)
assert len(res.blob) > 0 and len(res.blob) % 2 == 0
blocks.append(res.blob)
res = daemon.get_height()
assert res.height == height + 5
res = daemon.pop_blocks(5)
res = daemon.get_height()
assert res.height == height
for i in range(len(hashes)):
block_hash = hashes[i]
assert len(block_hash) == 64
res = daemon.submitblock(blocks[i])
res = daemon.get_height()
assert res.height == height + i + 1
assert res.hash == block_hash
def test_randomx(self):
print("Test RandomX")
daemon = Daemon()
wallet = Wallet()
res = daemon.get_height()
daemon.pop_blocks(res.height - 1)
daemon.flush_txpool()
epoch = int(os.environ['SEEDHASH_EPOCH_BLOCKS'])
lag = int(os.environ['SEEDHASH_EPOCH_LAG'])
address = '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm'
# check we can generate blocks, and that the seed hash changes when expected
res = daemon.getblocktemplate(address)
first_seed_hash = res.seed_hash
daemon.generateblocks(address, 1 + lag)
res = daemon.mining_status()
assert res.active == False
assert res.pow_algorithm == 'RandomX'
res = daemon.getblocktemplate(address)
seed_hash = res.seed_hash
t0 = time.time()
daemon.generateblocks(address, epoch - 3)
t0 = time.time() - t0
res = daemon.get_info()
assert res.height == lag + epoch - 1
res = daemon.getblocktemplate(address)
assert seed_hash == res.seed_hash
t0 = time.time()
daemon.generateblocks(address, 1)
t0 = time.time() - t0
res = daemon.get_info()
assert res.height == lag + epoch
daemon.generateblocks(address, 1)
res = daemon.getblocktemplate(address)
assert seed_hash != res.seed_hash
new_seed_hash = res.seed_hash
t0 = time.time()
daemon.generateblocks(address, epoch - 1)
t0 = time.time() - t0
res = daemon.getblocktemplate(address)
assert new_seed_hash == res.seed_hash
daemon.generateblocks(address, 1)
res = daemon.getblocktemplate(address)
assert new_seed_hash != res.seed_hash
new_seed_hash = res.seed_hash
t0 = time.time()
daemon.generateblocks(address, epoch - 1)
t0 = time.time() - t0
res = daemon.getblocktemplate(address)
assert new_seed_hash == res.seed_hash
daemon.generateblocks(address, 1)
res = daemon.getblocktemplate(address)
assert new_seed_hash != res.seed_hash
#print('First mining: ' + str(t0))
# pop all these blocks, and feed them again to monerod
print('Recreating the chain')
res = daemon.get_info()
height = res.height
assert height == lag + epoch * 3 + 1
block_hashes = [x.hash for x in daemon.getblockheadersrange(0, height - 1).headers]
assert len(block_hashes) == height
blocks = []
for i in range(len(block_hashes)):
res = daemon.getblock(height = i)
assert res.block_header.hash == block_hashes[i]
blocks.append(res.blob)
daemon.pop_blocks(height)
res = daemon.get_info()
assert res.height == 1
res = daemon.getblocktemplate(address)
assert first_seed_hash == res.seed_hash
t0 = time.time()
for h in range(len(block_hashes)):
res = daemon.submitblock(blocks[h])
t0 = time.time() - t0
res = daemon.get_info()
assert height == res.height
res = daemon.getblocktemplate(address)
assert new_seed_hash != res.seed_hash
res = daemon.pop_blocks(1)
res = daemon.getblocktemplate(address)
assert new_seed_hash == res.seed_hash
#print('Submit: ' + str(t0))
# start mining from the genesis block again
print('Mining from genesis block again')
res = daemon.get_height()
top_hash = res.hash
res = daemon.getblockheaderbyheight(0)
genesis_block_hash = res.block_header.hash
t0 = time.time()
daemon.generateblocks(address, height - 2, prev_block = genesis_block_hash)
t0 = time.time() - t0
res = daemon.get_info()
assert res.height == height - 1
assert res.top_block_hash == top_hash
#print('Second mining: ' + str(t0))
# that one will cause a huge reorg
print('Adding one to reorg')
res = daemon.generateblocks(address, 1)
assert len(res.blocks) == 1
new_top_hash = res.blocks[0]
res = daemon.get_info()
assert res.height == height
assert res.top_block_hash == new_top_hash
class Guard:
def __enter__(self):
pass
def __exit__(self, exc_type, exc_value, traceback):
daemon = Daemon()
try: daemon.stop_mining()
except: pass
if __name__ == '__main__':
with Guard() as guard:
MiningTest().run_test()
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