#!/usr/bin/env python3
#
# MMGen Wallet, a terminal-based cryptocurrency wallet
# Copyright (C)2013-2026 The MMGen Project <mmgen@tuta.io>
# Licensed under the GNU General Public License, Version 3:
#   https://www.gnu.org/licenses
# Public project repositories:
#   https://github.com/mmgen/mmgen-wallet
#   https://gitlab.com/mmgen/mmgen-wallet

"""
proto.eth.daemon: Ethereum base protocol daemon classes
"""

import os

from ...cfg import gc
from ...util import list_gen, get_subclasses
from ...daemon import CoinDaemon, RPCDaemon, _nw, _dd

class ethereum_daemon(CoinDaemon):
	chain_subdirs = _nw('ethereum', 'goerli', 'DevelopmentChain')
	base_rpc_port = 8545  # same for all networks!
	base_authrpc_port = 8551 # same for all networks!
	base_p2p_port = 30303 # same for all networks!
	daemon_port_offset = 100
	network_port_offsets = _nw(0, 10, 20)

	def __init__(self, *args, test_suite=False, **kwargs):

		if not hasattr(self, 'all_daemons'):
			ethereum_daemon.all_daemons = get_subclasses(ethereum_daemon, names=True)

		daemon_idx_offset = (
			self.all_daemons.index(self.id+'_daemon') * self.daemon_port_offset
			if test_suite else 0)

		self.port_offset = daemon_idx_offset + getattr(self.network_port_offsets, self.network)

		super().__init__(*args, test_suite=test_suite, **kwargs)

	def get_rpc_port(self):
		return self.base_rpc_port + self.port_offset

	@property
	def authrpc_port(self):
		return self.base_authrpc_port + self.port_offset

	def get_p2p_port(self):
		return self.base_p2p_port + self.port_offset

	def init_datadir(self):
		self.logdir = super().init_datadir()
		return os.path.join(
			self.logdir,
			self.id,
			getattr(self.chain_subdirs, self.network))

class openethereum_daemon(ethereum_daemon):
	daemon_data = _dd('OpenEthereum', 3003005, '3.3.5')
	version_pat = r'OpenEthereum//v(\d+)\.(\d+)\.(\d+)'
	exec_fn = 'openethereum'
	cfg_file = 'parity.conf'
	datadirs = {
		'linux': [gc.home_dir, '.local', 'share', 'io.parity.ethereum'],
		'darwin': [gc.home_dir, 'Library', 'Application Support', 'io.parity.ethereum'],
		'win32': [os.getenv('LOCALAPPDATA'), 'Parity', 'Ethereum']}

	def init_subclass(self):

		self.use_pidfile = gc.platform == 'linux' and not self.opt.no_daemonize
		self.use_threads = gc.platform in ('win32', 'darwin')

		self.coind_args = list_gen(
			['--no-ws'],
			['--no-ipc'],
			['--no-secretstore'],
			[f'--jsonrpc-port={self.rpc_port}'],
			[f'--port={self.p2p_port}', self.p2p_port],
			[f'--base-path={self.datadir}', self.non_dfl_datadir],
			[f'--chain={self.proto.chain_name}', self.network!='regtest'],
			['--config=dev', self.network=='regtest'], # no presets for mainnet or testnet
			['--mode=offline', self.test_suite or self.network=='regtest'],
			[f'--log-file={self.logfile}', self.non_dfl_datadir],
			['daemon', self.use_pidfile],
			[self.pidfile, self.use_pidfile],
		)

class parity_daemon(openethereum_daemon):
	daemon_data = _dd('Parity', 2007002, '2.7.2')
	version_pat = r'Parity-Ethereum//v(\d+)\.(\d+)\.(\d+)'
	exec_fn = 'parity'

class geth_daemon(ethereum_daemon):
	# v1.14.0 -> ? (v1.15.11 and later OK)
	#   mempool deadlock in dev mode: "transaction indexing is in progress"
	#   https://github.com/ethereum/go-ethereum/issues/29475
	#   offending commit (via git bisect): 0a2f33946b95989e8ce36e72a88138adceab6a23
	daemon_data = _dd('Geth', 1017004, '1.17.4')
	version_pat = r'Geth/v(\d+)\.(\d+)\.(\d+)'
	exec_fn = 'geth'
	use_pidfile = False
	use_threads = True
	avail_opts = ('no_daemonize', 'online')
	version_info_arg = 'version'
	datadirs = {
		'linux': [gc.home_dir, '.ethereum', 'geth'],
		'darwin': [gc.home_dir, 'Library', 'Ethereum', 'geth'],
		'win32': [os.getenv('LOCALAPPDATA'), 'Geth']} # FIXME

	def init_subclass(self):

		self.coind_args = list_gen(
			['node', self.id == 'reth'],
			['--quiet', self.id == 'reth'],
			['--disable-dns-discovery', self.id == 'reth' and self.test_suite],
			['--verbosity=0', self.id == 'geth'],
			['--ipcdisable'], # IPC-RPC: if path to socket is longer than 108 chars, geth fails to start
			['--http'],
			['--http.api=eth,web3,txpool'],
			[f'--http.port={self.rpc_port}'],
			[f'--authrpc.port={self.authrpc_port}'],
			[f'--port={self.p2p_port}', self.p2p_port], # geth binds p2p port even with --maxpeers=0
			[f'--discovery.port={self.p2p_port}', self.id == 'reth' and self.p2p_port],
			['--maxpeers=0', self.id == 'geth' and not self.opt.online],
			[f'--datadir={self.datadir}', self.non_dfl_datadir],
			['--holesky', self.network=='testnet' and self.id == 'geth'],
			['--chain=holesky', self.network=='testnet' and self.id == 'reth'],
			['--dev', self.network=='regtest'],
		)

class reth_daemon(geth_daemon):
	daemon_data = _dd('Reth', 2002000, '2.2.0')
	version_pat = r'reth/v(\d+)\.(\d+)\.(\d+)'
	exec_fn = 'reth'
	version_info_arg = '--version'
	datadirs = {
		'linux': [gc.home_dir, '.local', 'share', 'reth']}

# https://github.com/ledgerwatch/erigon
class erigon_daemon(geth_daemon):
	daemon_data = _dd('Erigon', 2022099099, '2022.99.99')
	version_pat = r'erigon/(\d+)\.(\d+)\.(\d+)'
	exec_fn = 'erigon'
	private_ports = _nw(9090, 9091, 9092) # testnet and regtest are non-standard
	torrent_ports = _nw(42069, 42070, None) # testnet is non-standard
	version_info_arg = '--version'
	datadirs = {
		'linux': [gc.home_dir, '.local', 'share', 'erigon'],
		'win32': [os.getenv('LOCALAPPDATA'), 'Erigon']} # FIXME

	def init_subclass(self):

		if self.network == 'regtest':
			self.force_kill = True

		self.coind_args = list_gen(
			['--verbosity=0'],
			[f'--port={self.p2p_port}', self.p2p_port],
			['--maxpeers=0', not self.opt.online],
			[f'--private.api.addr=127.0.0.1:{self.private_port}'],
			[f'--datadir={self.datadir}', self.non_dfl_datadir],
			['--chain=goerli', self.network=='testnet'],
			[f'--torrent.port={self.torrent_ports.testnet}', self.network=='testnet'],
			['--chain=dev', self.network=='regtest'],
			['--mine', self.network=='regtest'],
		)

		self.rpc_d = erigon_rpcdaemon(
			cfg          = self.cfg,
			proto        = self.proto,
			rpc_port     = self.rpc_port,
			private_port = self.private_port,
			test_suite   = self.test_suite,
			datadir      = self.datadir)

	def start(self, *, quiet=False, silent=False):
		super().start(quiet=quiet, silent=silent)
		self.rpc_d.debug = self.debug
		return self.rpc_d.start(quiet=quiet, silent=silent)

	def stop(self, *, quiet=False, silent=False):
		self.rpc_d.debug = self.debug
		self.rpc_d.stop(quiet=quiet, silent=silent)
		return super().stop(quiet=quiet, silent=silent)

	@property
	def start_cmds(self):
		return [self.start_cmd, self.rpc_d.start_cmd]

class erigon_rpcdaemon(RPCDaemon):

	master_daemon = 'erigon_daemon'
	rpc_desc = 'Erigon'
	exec_fn = 'rpcdaemon'
	use_pidfile = False
	use_threads = True

	def __init__(self, cfg, proto, *, rpc_port, private_port, test_suite, datadir):

		self.proto = proto
		self.test_suite = test_suite

		super().__init__(cfg)

		self.network = proto.network
		self.rpc_port = rpc_port
		self.datadir = datadir

		self.daemon_args = list_gen(
			['--verbosity=0'],
			[f'--private.api.addr=127.0.0.1:{private_port}'],
			[f'--http.port={self.rpc_port}'],
			[f'--datadir={self.datadir}'],
			['--http.api=eth,erigon,web3,net,debug,trace,txpool,parity'],
		)
