#!/usr/bin/env python3
#
# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
# Copyright (C)2013-2023 The MMGen Project <mmgen@tuta.io>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""
test.cmdtest_py_d.ct_chainsplit: Forking scenario tests for the cmdtest.py test suite
This module is unmaintained and currently non-functional
"""

from mmgen.util import die

from .common import get_file_with_ext,rt_pw
from .ct_regtest import CmdTestRegtest

class CmdTestChainsplit(CmdTestRegtest):
	'forking scenario tests for the cmdtest.py test suite'
	cmd_group = (
		('split_setup',        'regtest forking scenario setup'),
		('walletgen_bob',      "generating Bob's wallet"),
		('addrgen_bob',        "generating Bob's addresses"),
		('addrimport_bob',     "importing Bob's addresses"),
		('fund_bob',           "funding Bob's wallet"),
		('split_fork',         'regtest split fork'),
		('split_start_btc',    'start regtest daemon (BTC)'),
		('split_start_b2x',    'start regtest daemon (B2X)'),
		('split_gen_btc',      'mining a block (BTC)'),
		('split_gen_b2x',      'mining 100 blocks (B2X)'),
		('split_do_split',     'creating coin splitting transactions'),
		('split_sign_b2x',     'signing B2X split transaction'),
		('split_sign_btc',     'signing BTC split transaction'),
		('split_send_b2x',     'sending B2X split transaction'),
		('split_send_btc',     'sending BTC split transaction'),
		('split_gen_btc',      'mining a block (BTC)'),
		('split_gen_b2x2',     'mining a block (B2X)'),
		('split_txdo_timelock_bad_btc', 'sending transaction with bad locktime (BTC)'),
		('split_txdo_timelock_good_btc','sending transaction with good locktime (BTC)'),
		('split_txdo_timelock_bad_b2x', 'sending transaction with bad locktime (B2X)'),
		('split_txdo_timelock_good_b2x','sending transaction with good locktime (B2X)'),
	)

	def split_setup(self):
		if self.proto.coin != 'BTC':
			die(1,'Test valid only for coin BTC')
		self.coin = 'BTC'
		return self.setup()

	def split_fork(self):
		self.coin = 'B2X'
		t = self.spawn('mmgen-regtest',['fork','btc'])
		t.expect('Creating fork from coin')
		t.expect('successfully created')
		t.ok()

	def split_start(self,coin):
		self.coin = coin
		t = self.spawn('mmgen-regtest',['bob'])
		t.expect('Starting')
		t.expect('done')
		t.ok()

	def split_start_btc(self):
		self.regtest_start(coin='BTC')

	def split_start_b2x(self):
		self.regtest_start(coin='B2X')

	def split_gen_btc(self):
		self.regtest_generate(coin='BTC')

	def split_gen_b2x(self):
		self.regtest_generate(coin='B2X',num_blocks=100)

	def split_gen_b2x2(self):
		self.regtest_generate(coin='B2X')

	def split_do_split(self):
		self.coin = 'B2X'
		sid = self.regtest_user_sid('bob')
		t = self.spawn('mmgen-split',[
			'--bob',
			'--outdir='+self.tmpdir,
			'--tx-fees=0.0001,0.0003',
			sid+':S:1',sid+':S:2'])
		t.expect(r'\[q\]uit menu, .*?:.','q', regex=True)
		t.expect('outputs to spend: ','1\n')

		for tx in ('timelocked','split'):
			for q in ('fee','change'):
				t.expect('OK? (Y/n): ','y')
			t.do_comment(False)
			t.view_tx('t')

		t.written_to_file('Long chain (timelocked) transaction')
		t.written_to_file('Short chain transaction')
		t.ok()

	def split_sign(self,coin,ext):
		wf = get_file_with_ext(self.regtest_user_dir('bob',coin=coin.lower()),'mmdat')
		txfile = self.get_file_with_ext(ext,no_dot=True)
		self.coin = coin
		self.txsign(txfile,wf,extra_opts=['--bob'])

	def split_sign_b2x(self):
		return self.regtest_sign(coin='B2X',ext='533].rawtx')

	def split_sign_btc(self):
		return self.regtest_sign(coin='BTC',ext='9997].rawtx')

	def split_send(self,coin,ext):
		self.coin = coin
		txfile = self.get_file_with_ext(ext,no_dot=True)
		self.txsend(txfile,bogus_send=False,extra_opts=['--bob'])

	def split_send_b2x(self):
		return self.regtest_send(coin='B2X',ext='533].sigtx')

	def split_send_btc(self):
		return self.regtest_send(coin='BTC',ext='9997].sigtx')

	def split_txdo_timelock(self,coin,locktime,bad_locktime):
		self.coin = coin
		sid = self.regtest_user_sid('bob')
		self.regtest_user_txdo(
			'bob',
			'0.0001',
			[sid+':S:5'],
			'1',
			pw           = rt_pw,
			extra_args   = ['--locktime='+str(locktime)],
			bad_locktime = bad_locktime)

	def split_txdo_timelock_bad_btc(self):
		self.regtest_txdo_timelock('BTC',locktime=8888,bad_locktime=True)
	def split_txdo_timelock_good_btc(self):
		self.regtest_txdo_timelock('BTC',locktime=1321009871,bad_locktime=False)
	def split_txdo_timelock_bad_b2x(self):
		self.regtest_txdo_timelock('B2X',locktime=8888,bad_locktime=True)
	def split_txdo_timelock_good_b2x(self):
		self.regtest_txdo_timelock('B2X',locktime=1321009871,bad_locktime=False)