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#!/usr/bin/env python3
# Copyright (c) 2022 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test signet miner tool"""
import os.path
import subprocess
import sys
import time
from test_framework.key import ECKey
from test_framework.script_util import key_to_p2wpkh_script
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal
from test_framework.wallet_util import bytes_to_wif
CHALLENGE_PRIVATE_KEY = (42).to_bytes(32, 'big')
class SignetMinerTest(BitcoinTestFramework):
def add_options(self, parser):
self.add_wallet_options(parser)
def set_test_params(self):
self.chain = "signet"
self.setup_clean_chain = True
self.num_nodes = 1
# generate and specify signet challenge (simple p2wpkh script)
privkey = ECKey()
privkey.set(CHALLENGE_PRIVATE_KEY, True)
pubkey = privkey.get_pubkey().get_bytes()
challenge = key_to_p2wpkh_script(pubkey)
self.extra_args = [[f'-signetchallenge={challenge.hex()}']]
def skip_test_if_missing_module(self):
self.skip_if_no_cli()
self.skip_if_no_wallet()
self.skip_if_no_bitcoin_util()
def run_test(self):
node = self.nodes[0]
# import private key needed for signing block
node.importprivkey(bytes_to_wif(CHALLENGE_PRIVATE_KEY))
# generate block with signet miner tool
base_dir = self.config["environment"]["SRCDIR"]
signet_miner_path = os.path.join(base_dir, "contrib", "signet", "miner")
subprocess.run([
sys.executable,
signet_miner_path,
f'--cli={node.cli.binary} -datadir={node.cli.datadir}',
'generate',
f'--address={node.getnewaddress()}',
f'--grind-cmd={self.options.bitcoinutil} grind',
'--nbits=1d00ffff',
f'--set-block-time={int(time.time())}',
], check=True, stderr=subprocess.STDOUT)
assert_equal(node.getblockcount(), 1)
if __name__ == "__main__":
SignetMinerTest().main()
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